2026-03-21 22:00:09 [scrapy.utils.log] (PID: 122) INFO: Scrapy 2.12.0 started (bot: catalog_extraction)
2026-03-21 22:00:09 [scrapy.utils.log] (PID: 122) INFO: Versions: lxml 5.3.1.0, libxml2 2.12.9, cssselect 1.3.0, parsel 1.10.0, w3lib 2.3.1, Twisted 24.11.0, Python 3.11.13 (main, Jun 10 2025, 23:54:42) [GCC 12.2.0], pyOpenSSL 25.0.0 (OpenSSL 3.4.1 11 Feb 2025), cryptography 44.0.2, Platform Linux-6.9.12-x86_64-with-glibc2.36
2026-03-21 22:00:09 [mcmaster_carr] (PID: 122) INFO: Starting extraction spider mcmaster_carr...
2026-03-21 22:00:09 [scrapy.addons] (PID: 122) INFO: Enabled addons:
[]
2026-03-21 22:00:09 [py.warnings] (PID: 122) WARNING: /usr/local/lib/python3.11/site-packages/scrapy/utils/request.py:120: ScrapyDeprecationWarning: 'REQUEST_FINGERPRINTER_IMPLEMENTATION' is a deprecated setting.
It will be removed in a future version of Scrapy.
  return cls(crawler)

2026-03-21 22:00:09 [scrapy.extensions.telnet] (PID: 122) INFO: Telnet Password: 1177bada5dc3ece7
2026-03-21 22:00:09 [py.warnings] (PID: 122) WARNING: /var/lib/scrapyd/eggs/catalog_extraction/1769537350.egg/catalog_extraction/extensions/bq_feedstorage.py:33: ScrapyDeprecationWarning: scrapy.extensions.feedexport.build_storage() is deprecated, call the builder directly.

2026-03-21 22:00:10 [scrapy.middleware] (PID: 122) INFO: Enabled extensions:
['scrapy.extensions.corestats.CoreStats',
 'scrapy.extensions.telnet.TelnetConsole',
 'scrapy.extensions.memusage.MemoryUsage',
 'scrapy.extensions.closespider.CloseSpider',
 'scrapy.extensions.feedexport.FeedExporter',
 'scrapy.extensions.logstats.LogStats',
 'spidermon.contrib.scrapy.extensions.Spidermon']
2026-03-21 22:00:10 [scrapy.crawler] (PID: 122) INFO: Overridden settings:
{'BOT_NAME': 'catalog_extraction',
 'CONCURRENT_ITEMS': 250,
 'CONCURRENT_REQUESTS': 8,
 'DOWNLOAD_DELAY': 0.9,
 'FEED_EXPORT_ENCODING': 'utf-8',
 'LOG_FILE': '/var/lib/scrapyd/logs/catalog_extraction/mcmaster_carr/4f9e10b4257111f1983c4200a9fe0102.log',
 'LOG_FORMAT': '%(asctime)s [%(name)s] (PID: %(process)d) %(levelname)s: '
               '%(message)s',
 'LOG_LEVEL': 'INFO',
 'NEWSPIDER_MODULE': 'catalog_extraction.spiders',
 'REQUEST_FINGERPRINTER_CLASS': 'scrapy_poet.ScrapyPoetRequestFingerprinter',
 'REQUEST_FINGERPRINTER_IMPLEMENTATION': '2.7',
 'RETRY_HTTP_CODES': [500, 502, 503, 504, 522, 524, 408, 429, 420],
 'SPIDER_MODULES': ['catalog_extraction.spiders'],
 'TWISTED_REACTOR': 'twisted.internet.asyncioreactor.AsyncioSelectorReactor',
 'USER_AGENT': None}
2026-03-21 22:00:10 [scrapy_poet.injection] (PID: 122) INFO: Loading providers:
 [<class 'scrapy_poet.page_input_providers.HttpRequestProvider'>,
 <class 'scrapy_poet.page_input_providers.HttpResponseProvider'>,
 <class 'scrapy_poet.page_input_providers.HttpClientProvider'>,
 <class 'scrapy_poet.page_input_providers.PageParamsProvider'>,
 <class 'scrapy_poet.page_input_providers.RequestUrlProvider'>,
 <class 'scrapy_poet.page_input_providers.ResponseUrlProvider'>,
 <class 'scrapy_poet.page_input_providers.StatsProvider'>]
2026-03-21 22:00:10 [scrapy.middleware] (PID: 122) INFO: Enabled downloader middlewares:
['scrapy.downloadermiddlewares.offsite.OffsiteMiddleware',
 'scrapy.downloadermiddlewares.httpauth.HttpAuthMiddleware',
 'scrapy.downloadermiddlewares.downloadtimeout.DownloadTimeoutMiddleware',
 'scrapy.downloadermiddlewares.defaultheaders.DefaultHeadersMiddleware',
 'scraping_utils.middlewares.downloaders.ProxyManagerDownloaderMiddleware',
 'scrapy.downloadermiddlewares.useragent.UserAgentMiddleware',
 'scrapy.downloadermiddlewares.httpproxy.HttpProxyMiddleware',
 'scraping_utils.middlewares.downloaders.HeadersSpooferDownloaderMiddleware',
 'scrapy_poet.InjectionMiddleware',
 'scrapy.downloadermiddlewares.retry.RetryMiddleware',
 'scrapy.downloadermiddlewares.redirect.MetaRefreshMiddleware',
 'scrapy.downloadermiddlewares.httpcompression.HttpCompressionMiddleware',
 'scrapy.downloadermiddlewares.redirect.RedirectMiddleware',
 'scrapy.downloadermiddlewares.cookies.CookiesMiddleware',
 'scrapy_poet.DownloaderStatsMiddleware']
2026-03-21 22:00:10 [NotFoundHandlerSpiderMiddleware] (PID: 122) INFO: NotFoundHandlerSpiderMiddleware running on PRODUCTION environment.
2026-03-21 22:00:10 [scrapy.middleware] (PID: 122) INFO: Enabled spider middlewares:
['catalog_extraction.middlewares.NotFoundHandlerSpiderMiddleware',
 'catalog_extraction.middlewares.FixtureSavingMiddleware',
 'scrapy_poet.RetryMiddleware',
 'scrapy.spidermiddlewares.referer.RefererMiddleware',
 'scrapy.spidermiddlewares.urllength.UrlLengthMiddleware',
 'scrapy.spidermiddlewares.depth.DepthMiddleware']
2026-03-21 22:00:10 [scrapy.middleware] (PID: 122) INFO: Enabled item pipelines:
['catalog_extraction.pipelines.DuplicatedSKUsFilterPipeline',
 'catalog_extraction.pipelines.DiscontinuedProductsAdjustmentPipeline',
 'catalog_extraction.pipelines.PriceRoundingPipeline',
 'scraping_utils.pipelines.AttachSupplierPipeline',
 'spidermon.contrib.scrapy.pipelines.ItemValidationPipeline']
2026-03-21 22:00:10 [scrapy.core.engine] (PID: 122) INFO: Spider opened
2026-03-21 22:00:10 [scrapy.extensions.closespider] (PID: 122) INFO: Spider will stop when no items are produced after 1800 seconds.
2026-03-21 22:00:10 [scrapy.extensions.logstats] (PID: 122) INFO: Crawled 0 pages (at 0 pages/min), scraped 0 items (at 0 items/min)
2026-03-21 22:00:10 [scrapy.extensions.telnet] (PID: 122) INFO: Telnet console listening on 127.0.0.1:6023
2026-03-21 22:00:16 [ProxyManagerDownloaderMiddleware] (PID: 122) INFO: Using brd-customer-hl_13cda1e4-zone-sharedpool_datacenter_proxy as the default proxy for ProxyManagerDownloaderMiddleware.
2026-03-21 22:00:17 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/colanders/environment-1~food-and-beverage/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:00:17 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/steam-pressure-gauge-siphons/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:00:19 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cold-galvanizing-coatings/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:00:20 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cold-galvanizing-paint/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:00:21 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/inserts/thread-size~m10/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:00:23 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/collar-bearings/shaft-mount-type~clamp-on/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:00:26 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/wire/length~5-16/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:00:27 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/inspection-tools already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:00:28 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/colanders/environment-1~food-and-beverage/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:00:29 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/steam-pressure-gauge-siphons/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:00:30 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cold-galvanizing-coatings/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:00:31 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cold-galvanizing-paint/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:00:32 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/inserts/thread-size~m10/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:00:33 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/collar-bearings/shaft-mount-type~clamp-on/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:00:34 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/wire/length~5-16/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:00:34 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/inspection-tools already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:00:34 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/colanders/environment-1~food-and-beverage/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:00:34 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/colanders/environment-1~food-and-beverage/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:00:35 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/steam-pressure-gauge-siphons/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:00:35 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/steam-pressure-gauge-siphons/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:00:36 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/cold-galvanizing-coatings/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:00:37 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/cold-galvanizing-coatings/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:00:37 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/cold-galvanizing-paint/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:00:38 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/cold-galvanizing-paint/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:00:39 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/inserts/thread-size~m10/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:00:39 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/inserts/thread-size~m10/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:00:40 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/collar-bearings/shaft-mount-type~clamp-on/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:00:40 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/collar-bearings/shaft-mount-type~clamp-on/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:00:41 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/wire/length~5-16/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:00:41 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/wire/length~5-16/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:00:43 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/inspection-tools> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:00:43 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/inspection-tools>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:00:44 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/collets/collet-size~1-3-64/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:00:45 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/steel-bolt-together-structural-framing-fittings/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:00:46 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/collets/collet-size~11-mm/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:00:47 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/collets/collet-size~17-mm/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:00:48 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/wire/use-for~drop-down-power/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:00:49 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/insulation/for-use-on~polycarbonate-plastic/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:00:50 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/insulation/for-use-on~polyimide-plastic/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:00:51 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/insulation/for-use-on~wood/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:00:52 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/collets/collet-size~1-3-64/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:00:53 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/steel-bolt-together-structural-framing-fittings/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:00:54 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/collets/collet-size~11-mm/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:00:56 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/collets/collet-size~17-mm/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:00:57 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/wire/use-for~drop-down-power/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:00:58 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/insulation/for-use-on~polycarbonate-plastic/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:00:59 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/insulation/for-use-on~polyimide-plastic/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:01:00 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/insulation/for-use-on~wood/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:01:01 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/collets/collet-size~1-3-64/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:01:01 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/collets/collet-size~1-3-64/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:01:02 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/steel-bolt-together-structural-framing-fittings/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:01:03 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/steel-bolt-together-structural-framing-fittings/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:01:03 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/collets/collet-size~11-mm/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:01:03 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/collets/collet-size~11-mm/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:01:04 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/collets/collet-size~17-mm/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:01:04 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/collets/collet-size~17-mm/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:01:05 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/wire/use-for~drop-down-power/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:01:05 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/wire/use-for~drop-down-power/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:01:06 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/insulation/for-use-on~polycarbonate-plastic/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:01:07 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/insulation/for-use-on~polycarbonate-plastic/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:01:07 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/insulation/for-use-on~polyimide-plastic/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:01:07 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/insulation/for-use-on~polyimide-plastic/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:01:08 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/insulation/for-use-on~wood/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:01:08 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/insulation/for-use-on~wood/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:01:09 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/collets/size~41-64/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:01:10 [scrapy.extensions.logstats] (PID: 122) INFO: Crawled 0 pages (at 0 pages/min), scraped 0 items (at 0 items/min)
2026-03-21 22:01:10 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/insulation/shape~film/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:01:12 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/insulation-covers already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:01:13 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/steel-jobsite-boxes/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:01:14 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/column-covers/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:01:15 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/bucket-filters/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:01:16 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/combination-door-locks/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:01:18 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/inverter-rated-motors already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:01:19 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/collets/size~41-64/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:01:20 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/insulation/shape~film/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:01:21 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/insulation-covers already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:01:22 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/steel-jobsite-boxes/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:01:23 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/column-covers/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:01:24 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/bucket-filters/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:01:26 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/combination-door-locks/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:01:27 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/inverter-rated-motors already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:01:28 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/collets/size~41-64/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:01:28 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/collets/size~41-64/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:01:29 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/insulation/shape~film/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:01:30 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/insulation/shape~film/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:01:30 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/insulation-covers> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:01:31 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/insulation-covers>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:01:32 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/steel-jobsite-boxes/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:01:32 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/steel-jobsite-boxes/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:01:33 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/column-covers/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:01:33 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/column-covers/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:01:34 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/bucket-filters/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:01:34 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/bucket-filters/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:01:35 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/combination-door-locks/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:01:35 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/combination-door-locks/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:01:36 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/inverter-rated-motors> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:01:36 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/inverter-rated-motors>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:01:37 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/combination-ladders/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:01:38 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/iron-end-caps already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:01:39 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/iron-hooks already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:01:40 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/wire-locks already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:01:41 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/combination-wrenches/drive-size~5-mm-1/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:01:42 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/iron-wing-nuts already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:01:44 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/iron-wrenches already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:01:45 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/combination-wrenches/drive-size~no-30/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:01:46 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/combination-ladders/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:01:47 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/iron-end-caps already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:01:48 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/iron-hooks already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:01:50 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/wire-locks already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:01:50 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/combination-wrenches/drive-size~5-mm-1/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:01:51 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/iron-wing-nuts already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:01:52 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/iron-wrenches already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:01:53 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/combination-wrenches/drive-size~no-30/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:01:55 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/combination-ladders/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:01:55 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/combination-ladders/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:01:56 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/iron-end-caps> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:01:56 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/iron-end-caps>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:01:57 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/iron-hooks> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:01:57 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/iron-hooks>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:01:58 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/wire-locks> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:01:58 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/wire-locks>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:01:59 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/combination-wrenches/drive-size~5-mm-1/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:01:59 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/combination-wrenches/drive-size~5-mm-1/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:02:00 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/iron-wing-nuts> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:02:00 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/iron-wing-nuts>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:02:01 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/iron-wrenches> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:02:01 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/iron-wrenches>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:02:02 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/combination-wrenches/drive-size~no-30/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:02:02 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/combination-wrenches/drive-size~no-30/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:02:04 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/combination-wrenches/size~1-11-16/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:02:05 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/combination-wrenches/size~1/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:02:06 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/wire-reels already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:02:07 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/iso-washers already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:02:08 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/steel-skate-wheels/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:02:09 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/combination-wrenches/size~34-mm/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:02:10 [scrapy.extensions.logstats] (PID: 122) INFO: Crawled 0 pages (at 0 pages/min), scraped 0 items (at 0 items/min)
2026-03-21 22:02:10 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/jacobs-chucks already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:02:11 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/wire-rope-sheaves already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:02:13 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/combination-wrenches/size~1-11-16/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:02:14 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/combination-wrenches/size~1/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:02:15 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/wire-reels already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:02:16 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/iso-washers already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:02:17 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/steel-skate-wheels/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:02:18 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/combination-wrenches/size~34-mm/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:02:19 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/jacobs-chucks already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:02:20 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/wire-rope-sheaves already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:02:21 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/combination-wrenches/size~1-11-16/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:02:21 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/combination-wrenches/size~1-11-16/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:02:22 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/combination-wrenches/size~1/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:02:22 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/combination-wrenches/size~1/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:02:23 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/wire-reels> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:02:23 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/wire-reels>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:02:24 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/iso-washers> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:02:24 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/iso-washers>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:02:25 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/steel-skate-wheels/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:02:25 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/steel-skate-wheels/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:02:26 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/combination-wrenches/size~34-mm/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:02:26 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/combination-wrenches/size~34-mm/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:02:27 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/jacobs-chucks> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:02:28 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/jacobs-chucks>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:02:29 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/wire-rope-sheaves> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:02:29 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/wire-rope-sheaves>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:02:30 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/combination-wrenches/size~no-16/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:02:31 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/jam-nuts/thread-size~1-2-28/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:02:32 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/steel-tank-pipe-fittings/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:02:33 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/jam-nuts/thread-size~10-32/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:02:34 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/jam-nuts/thread-size~15-32-32/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:02:35 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/wire-terminals already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:02:37 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/compact-cars-only-signs/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:02:37 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/jam-nuts/thread-size~m14/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:02:38 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/combination-wrenches/size~no-16/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:02:39 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/jam-nuts/thread-size~1-2-28/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:02:40 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/steel-tank-pipe-fittings/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:02:41 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/jam-nuts/thread-size~10-32/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:02:42 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/jam-nuts/thread-size~15-32-32/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:02:43 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/wire-terminals already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:02:44 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/compact-cars-only-signs/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:02:45 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/jam-nuts/thread-size~m14/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:02:47 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/combination-wrenches/size~no-16/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:02:47 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/combination-wrenches/size~no-16/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:02:48 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/jam-nuts/thread-size~1-2-28/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:02:48 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/jam-nuts/thread-size~1-2-28/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:02:49 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/steel-tank-pipe-fittings/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:02:49 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/steel-tank-pipe-fittings/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:02:50 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/jam-nuts/thread-size~10-32/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:02:50 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/jam-nuts/thread-size~10-32/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:02:51 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/jam-nuts/thread-size~15-32-32/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:02:52 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/jam-nuts/thread-size~15-32-32/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:02:53 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/wire-terminals> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:02:53 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/wire-terminals>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:02:54 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/compact-cars-only-signs/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:02:54 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/compact-cars-only-signs/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:02:55 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/jam-nuts/thread-size~m14/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:02:55 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/jam-nuts/thread-size~m14/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:02:56 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/bulkhead-tank-fittings/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:02:57 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/jancy-slugger-magnetic-base-drills already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:02:58 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/stellite-cobalt-6b/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:02:59 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/wood-joining-clamps already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:03:00 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/jars/capacity-weight-~26-ml/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:03:01 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/step-blocks/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:03:03 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/wood-screws/drive-size~no-1/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:03:04 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/wood-screws/finish~zinc-yellow-chromate-plated/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:03:05 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/bulkhead-tank-fittings/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:03:06 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/jancy-slugger-magnetic-base-drills already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:03:07 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/stellite-cobalt-6b/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:03:08 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/wood-joining-clamps already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:03:09 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/jars/capacity-weight-~26-ml/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:03:10 [scrapy.extensions.logstats] (PID: 122) INFO: Crawled 0 pages (at 0 pages/min), scraped 0 items (at 0 items/min)
2026-03-21 22:03:11 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/step-blocks/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:03:12 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/wood-screws/drive-size~no-1/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:03:13 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/wood-screws/finish~zinc-yellow-chromate-plated/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:03:14 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/bulkhead-tank-fittings/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:03:14 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/bulkhead-tank-fittings/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:03:15 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/jancy-slugger-magnetic-base-drills> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:03:15 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/jancy-slugger-magnetic-base-drills>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:03:16 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/stellite-cobalt-6b/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:03:16 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/stellite-cobalt-6b/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:03:17 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/wood-joining-clamps> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:03:17 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/wood-joining-clamps>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:03:18 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/jars/capacity-weight-~26-ml/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:03:18 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/jars/capacity-weight-~26-ml/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:03:19 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/step-blocks/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:03:19 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/step-blocks/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:03:21 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/wood-screws/drive-size~no-1/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:03:21 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/wood-screws/drive-size~no-1/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:03:22 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/wood-screws/finish~zinc-yellow-chromate-plated/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:03:22 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/wood-screws/finish~zinc-yellow-chromate-plated/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:03:23 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/step-drill-bits/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:03:24 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/compression-tube-plugs/fitting-connection~luer-lock/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:03:25 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/wood-screws/length~160mm/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:03:26 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/wood-screws/length~2-1-4/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:03:27 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/jaws/jaw-texture~serrated/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:03:28 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/jaws/vise-type~trailer-hitch/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:03:29 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/computer-fan-filters/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:03:30 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/computer-mouse-pads/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:03:31 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/step-drill-bits/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:03:32 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/compression-tube-plugs/fitting-connection~luer-lock/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:03:33 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/wood-screws/length~160mm/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:03:35 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/wood-screws/length~2-1-4/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:03:36 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/jaws/jaw-texture~serrated/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:03:37 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/jaws/vise-type~trailer-hitch/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:03:38 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/computer-fan-filters/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:03:39 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/computer-mouse-pads/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:03:40 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/step-drill-bits/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:03:40 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/step-drill-bits/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:03:41 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/compression-tube-plugs/fitting-connection~luer-lock/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:03:42 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/compression-tube-plugs/fitting-connection~luer-lock/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:03:43 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/wood-screws/length~160mm/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:03:43 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/wood-screws/length~160mm/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:03:44 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/wood-screws/length~2-1-4/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:03:44 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/wood-screws/length~2-1-4/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:03:45 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/jaws/jaw-texture~serrated/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:03:45 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/jaws/jaw-texture~serrated/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:03:46 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/jaws/vise-type~trailer-hitch/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:03:46 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/jaws/vise-type~trailer-hitch/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:03:48 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/computer-fan-filters/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:03:48 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/computer-fan-filters/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:03:48 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/computer-mouse-pads/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:03:48 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/computer-mouse-pads/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:03:50 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/computer-power-cords/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:03:51 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/stepper-motor-gear-boxes/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:03:52 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/concentration-meters/for-testing~specific-gravity/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:03:53 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/bumper-molding/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:03:54 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/concrete-markers/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:03:55 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/work-clothing already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:03:57 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/sterilization-bags/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:03:58 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/junction-blocks already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:03:59 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/computer-power-cords/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:04:00 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/stepper-motor-gear-boxes/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:04:01 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/concentration-meters/for-testing~specific-gravity/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:04:02 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/bumper-molding/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:04:03 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/concrete-markers/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:04:04 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/work-clothing already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:04:06 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/sterilization-bags/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:04:07 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/junction-blocks already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:04:08 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/computer-power-cords/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:04:08 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/computer-power-cords/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:04:09 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/stepper-motor-gear-boxes/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:04:09 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/stepper-motor-gear-boxes/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:04:10 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/concentration-meters/for-testing~specific-gravity/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:04:10 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/concentration-meters/for-testing~specific-gravity/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:04:10 [scrapy.extensions.logstats] (PID: 122) INFO: Crawled 0 pages (at 0 pages/min), scraped 0 items (at 0 items/min)
2026-03-21 22:04:11 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/bumper-molding/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:04:11 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/bumper-molding/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:04:11 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/concrete-markers/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:04:12 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/concrete-markers/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:04:12 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/work-clothing> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:04:13 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/work-clothing>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:04:14 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/sterilization-bags/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:04:14 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/sterilization-bags/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:04:15 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/junction-blocks> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:04:15 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/junction-blocks>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:04:16 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/junction-boxes/environment~sanitary/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:04:17 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/kanban-bins already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:04:19 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/stick-electrodes/diameter~3-16/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:04:20 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/workbench-covers already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:04:21 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/stick-electrodes/finish~flux-coated/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:04:22 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/kevlar-bars already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:04:23 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/bumpers/thread-size~3-8-16/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:04:24 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/conduit/thread-size~5-16-24/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:04:25 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/junction-boxes/environment~sanitary/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:04:26 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/kanban-bins already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:04:27 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/stick-electrodes/diameter~3-16/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:04:28 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/workbench-covers already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:04:30 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/stick-electrodes/finish~flux-coated/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:04:30 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/kevlar-bars already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:04:32 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/bumpers/thread-size~3-8-16/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:04:33 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/conduit/thread-size~5-16-24/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:04:34 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/junction-boxes/environment~sanitary/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:04:34 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/junction-boxes/environment~sanitary/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:04:35 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/kanban-bins> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:04:36 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/kanban-bins>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:04:36 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/stick-electrodes/diameter~3-16/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:04:37 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/stick-electrodes/diameter~3-16/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:04:38 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/workbench-covers> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:04:38 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/workbench-covers>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:04:39 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/stick-electrodes/finish~flux-coated/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:04:39 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/stick-electrodes/finish~flux-coated/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:04:40 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/kevlar-bars> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:04:40 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/kevlar-bars>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:04:41 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/bumpers/thread-size~3-8-16/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:04:41 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/bumpers/thread-size~3-8-16/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:04:42 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/conduit/thread-size~5-16-24/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:04:42 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/conduit/thread-size~5-16-24/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:04:43 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/stirring-paddles/environment~food-and-beverage/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:04:45 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/workstation-lights already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:04:46 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/conduit/type~support-clip/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:04:47 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/keys/driver-style~bit/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:04:48 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/conduit-metric-thread-adapters/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:04:50 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/keys/key-number~0261/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:04:51 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/stones/abrasive-material~boron-carbide/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:04:52 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/conduit-set-screw-connectors/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:04:53 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/stirring-paddles/environment~food-and-beverage/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:04:55 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/workstation-lights already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:04:55 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/conduit/type~support-clip/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:04:56 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/keys/driver-style~bit/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:04:57 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/conduit-metric-thread-adapters/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:04:58 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/keys/key-number~0261/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:04:59 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/stones/abrasive-material~boron-carbide/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:05:00 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/conduit-set-screw-connectors/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:05:01 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/stirring-paddles/environment~food-and-beverage/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:05:01 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/stirring-paddles/environment~food-and-beverage/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:05:02 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/workstation-lights> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:05:02 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/workstation-lights>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:05:03 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/conduit/type~support-clip/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:05:03 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/conduit/type~support-clip/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:05:04 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/keys/driver-style~bit/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:05:05 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/keys/driver-style~bit/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:05:06 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/conduit-metric-thread-adapters/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:05:06 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/conduit-metric-thread-adapters/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:05:07 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/keys/key-number~0261/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:05:07 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/keys/key-number~0261/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:05:07 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/stones/abrasive-material~boron-carbide/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:05:07 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/stones/abrasive-material~boron-carbide/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:05:08 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/conduit-set-screw-connectors/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:05:09 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/conduit-set-screw-connectors/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:05:09 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/stones/color~orange/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:05:10 [scrapy.extensions.logstats] (PID: 122) INFO: Crawled 0 pages (at 0 pages/min), scraped 0 items (at 0 items/min)
2026-03-21 22:05:10 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/keys/key-number~0794/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:05:12 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/stools/mounting-location~wall/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:05:13 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/keys/key-number~104am/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:05:14 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/connectors/for-use-with~grain-alcohol/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:05:15 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/connectors/for-use-with~hydrogen-iodide/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:05:16 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/keys/key-number~12g056/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:05:18 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/connectors/nema-style~l19-20/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:05:18 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/stones/color~orange/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:05:20 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/keys/key-number~0794/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:05:21 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/stools/mounting-location~wall/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:05:22 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/keys/key-number~104am/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:05:23 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/connectors/for-use-with~grain-alcohol/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:05:25 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/connectors/for-use-with~hydrogen-iodide/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:05:26 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/keys/key-number~12g056/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:05:27 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/connectors/nema-style~l19-20/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:05:28 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/stones/color~orange/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:05:28 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/stones/color~orange/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:05:30 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/keys/key-number~0794/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:05:30 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/keys/key-number~0794/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:05:31 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/stools/mounting-location~wall/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:05:31 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/stools/mounting-location~wall/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:05:32 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/keys/key-number~104am/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:05:32 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/keys/key-number~104am/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:05:33 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/connectors/for-use-with~grain-alcohol/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:05:33 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/connectors/for-use-with~grain-alcohol/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:05:34 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/connectors/for-use-with~hydrogen-iodide/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:05:34 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/connectors/for-use-with~hydrogen-iodide/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:05:35 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/keys/key-number~12g056/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:05:35 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/keys/key-number~12g056/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:05:36 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/connectors/nema-style~l19-20/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:05:36 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/connectors/nema-style~l19-20/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:05:38 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/connectors/nema-style~l7-15/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:05:39 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/connectors/specifications-met~en-1057/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:05:40 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/connectors/thread-type~npsc/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:05:41 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/keys/key-number~2769/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:05:42 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/console-enclosures/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:05:44 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/consolet-enclosures/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:05:45 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/keys/key-number~3206/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:05:46 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/contact-kits/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:05:47 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/connectors/nema-style~l7-15/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:05:48 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/connectors/specifications-met~en-1057/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:05:49 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/connectors/thread-type~npsc/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:05:50 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/keys/key-number~2769/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:05:51 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/console-enclosures/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:05:52 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/consolet-enclosures/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:05:53 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/keys/key-number~3206/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:05:54 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/contact-kits/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:05:55 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/connectors/nema-style~l7-15/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:05:55 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/connectors/nema-style~l7-15/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:05:56 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/connectors/specifications-met~en-1057/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:05:56 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/connectors/specifications-met~en-1057/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:05:57 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/connectors/thread-type~npsc/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:05:57 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/connectors/thread-type~npsc/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:05:58 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/keys/key-number~2769/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:05:58 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/keys/key-number~2769/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:05:59 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/console-enclosures/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:05:59 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/console-enclosures/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:06:00 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/consolet-enclosures/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:06:00 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/consolet-enclosures/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:06:01 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/keys/key-number~3206/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:06:01 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/keys/key-number~3206/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:06:02 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/contact-kits/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:06:02 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/contact-kits/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:06:03 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/containers/capacity~160-ml/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:06:04 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/strainers/connection-style~barbed/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:06:06 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/strainers/for-use-with~deionized-water-1/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:06:07 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/wye-ball-valves already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:06:08 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/containers/capacity~31-gal/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:06:09 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/containers/capacity~4-7-ml/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:06:10 [scrapy.extensions.logstats] (PID: 122) INFO: Crawled 0 pages (at 0 pages/min), scraped 0 items (at 0 items/min)
2026-03-21 22:06:10 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/strap-protectors/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:06:12 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/strapping-crimpers/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:06:13 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/containers/capacity~160-ml/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:06:14 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/strainers/connection-style~barbed/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:06:15 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/strainers/for-use-with~deionized-water-1/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:06:16 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/wye-ball-valves already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:06:17 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/containers/capacity~31-gal/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:06:18 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/containers/capacity~4-7-ml/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:06:19 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/strap-protectors/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:06:20 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/strapping-crimpers/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:06:21 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/containers/capacity~160-ml/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:06:21 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/containers/capacity~160-ml/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:06:22 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/strainers/connection-style~barbed/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:06:22 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/strainers/connection-style~barbed/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:06:23 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/strainers/for-use-with~deionized-water-1/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:06:23 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/strainers/for-use-with~deionized-water-1/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:06:24 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/wye-ball-valves> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:06:24 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/wye-ball-valves>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:06:25 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/containers/capacity~31-gal/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:06:25 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/containers/capacity~31-gal/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:06:26 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/containers/capacity~4-7-ml/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:06:26 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/containers/capacity~4-7-ml/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:06:27 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/strap-protectors/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:06:27 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/strap-protectors/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:06:28 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/strapping-crimpers/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:06:28 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/strapping-crimpers/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:06:29 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/keys/key-number~ch24r/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:06:30 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/strapping-kits/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:06:31 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/bushings/thread-size~1-2-13/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:06:32 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/containers/capacity-weight-~1-1-4-gal-/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:06:33 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/keys/key-number~k102/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:06:34 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/containers/capacity-weight-~1000-ml/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:06:35 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/keys/key-number~mc14/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:06:36 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/containers/capacity-weight-~2-1-ml/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:06:37 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/keys/key-number~ch24r/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:06:38 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/strapping-kits/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:06:38 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/bushings/thread-size~1-2-13/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:06:40 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/containers/capacity-weight-~1-1-4-gal-/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:06:41 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/keys/key-number~k102/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:06:42 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/containers/capacity-weight-~1000-ml/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:06:43 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/keys/key-number~mc14/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:06:44 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/containers/capacity-weight-~2-1-ml/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:06:45 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/keys/key-number~ch24r/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:06:45 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/keys/key-number~ch24r/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:06:46 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/strapping-kits/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:06:47 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/strapping-kits/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:06:48 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/bushings/thread-size~1-2-13/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:06:48 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/bushings/thread-size~1-2-13/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:06:49 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/containers/capacity-weight-~1-1-4-gal-/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:06:49 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/containers/capacity-weight-~1-1-4-gal-/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:06:50 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/keys/key-number~k102/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:06:50 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/keys/key-number~k102/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:06:52 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/containers/capacity-weight-~1000-ml/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:06:52 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/containers/capacity-weight-~1000-ml/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:06:53 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/keys/key-number~mc14/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:06:53 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/keys/key-number~mc14/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:06:54 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/containers/capacity-weight-~2-1-ml/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:06:54 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/containers/capacity-weight-~2-1-ml/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:06:55 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/straps/material~brass/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:06:55 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/zinc-anchors already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:06:57 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/containers/capacity-weight-~21-gal-/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:06:57 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/straps/material~polyester-rubber/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:06:58 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/keys/key-number~p175/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:07:00 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/containers/capacity-weight-~3-ml/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:07:01 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/containers/capacity-weight-~32-cu-ft-/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:07:02 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/keys/key-number~r1064e/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:07:02 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/straps/material~brass/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:07:03 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/zinc-anchors already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:07:04 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/containers/capacity-weight-~21-gal-/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:07:05 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/straps/material~polyester-rubber/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:07:05 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/keys/key-number~p175/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:07:07 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/containers/capacity-weight-~3-ml/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:07:08 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/containers/capacity-weight-~32-cu-ft-/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:07:09 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/keys/key-number~r1064e/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:07:10 [scrapy.extensions.logstats] (PID: 122) INFO: Crawled 0 pages (at 0 pages/min), scraped 0 items (at 0 items/min)
2026-03-21 22:07:10 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/straps/material~brass/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:07:11 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/straps/material~brass/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:07:12 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/zinc-anchors> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:07:12 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/zinc-anchors>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:07:13 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/containers/capacity-weight-~21-gal-/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:07:13 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/containers/capacity-weight-~21-gal-/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:07:14 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/straps/material~polyester-rubber/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:07:14 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/straps/material~polyester-rubber/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:07:15 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/keys/key-number~p175/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:07:15 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/keys/key-number~p175/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:07:17 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/containers/capacity-weight-~3-ml/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:07:17 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/containers/capacity-weight-~3-ml/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:07:18 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/containers/capacity-weight-~32-cu-ft-/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:07:18 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/containers/capacity-weight-~32-cu-ft-/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:07:19 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/keys/key-number~r1064e/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:07:19 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/keys/key-number~r1064e/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:07:20 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/containers/capacity-weight-~350-gal-/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:07:22 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/zip-ties/length~1-7-16/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:07:23 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/keys/key-number~sc8/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:07:24 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/containers/capacity-weight-~55-gal-/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:07:25 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/keys/key-number~sm22/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:07:27 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/containers/capacity-weight-~7-1-gal-/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:07:27 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/keys/key-number~x2780/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:07:28 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/containers/capacity-weight-~88-fl-oz-/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:07:30 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/containers/capacity-weight-~350-gal-/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:07:31 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/zip-ties/length~1-7-16/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:07:32 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/keys/key-number~sc8/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:07:33 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/containers/capacity-weight-~55-gal-/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:07:34 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/keys/key-number~sm22/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:07:36 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/containers/capacity-weight-~7-1-gal-/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:07:37 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/keys/key-number~x2780/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:07:38 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/containers/capacity-weight-~88-fl-oz-/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:07:39 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/containers/capacity-weight-~350-gal-/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:07:39 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/containers/capacity-weight-~350-gal-/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:07:41 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/zip-ties/length~1-7-16/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:07:41 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/zip-ties/length~1-7-16/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:07:42 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/keys/key-number~sc8/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:07:42 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/keys/key-number~sc8/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:07:43 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/containers/capacity-weight-~55-gal-/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:07:43 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/containers/capacity-weight-~55-gal-/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:07:44 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/keys/key-number~sm22/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:07:44 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/keys/key-number~sm22/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:07:45 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/containers/capacity-weight-~7-1-gal-/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:07:45 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/containers/capacity-weight-~7-1-gal-/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:07:46 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/keys/key-number~x2780/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:07:46 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/keys/key-number~x2780/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:07:47 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/containers/capacity-weight-~88-fl-oz-/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:07:47 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/containers/capacity-weight-~88-fl-oz-/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:07:49 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/stripping-bars/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:07:49 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/stripping-pads/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:07:50 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/zip-ties/length~30/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:07:51 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/butcher-block-tables/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:07:52 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/contoured-surface-scrapers/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:07:53 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/keys/material~rubber/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:07:54 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/converters/transformer-voltage-function~step-up/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:07:56 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/zip-ties/length~8-1-2/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:07:57 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/stripping-bars/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:07:58 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/stripping-pads/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:07:59 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/zip-ties/length~30/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:08:00 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/butcher-block-tables/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:08:01 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/contoured-surface-scrapers/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:08:02 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/keys/material~rubber/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:08:03 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/converters/transformer-voltage-function~step-up/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:08:05 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/zip-ties/length~8-1-2/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:08:06 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/stripping-bars/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:08:06 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/stripping-bars/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:08:07 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/stripping-pads/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:08:07 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/stripping-pads/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:08:09 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/zip-ties/length~30/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:08:09 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/zip-ties/length~30/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:08:10 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/butcher-block-tables/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:08:10 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/butcher-block-tables/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:08:10 [scrapy.extensions.logstats] (PID: 122) INFO: Crawled 0 pages (at 0 pages/min), scraped 0 items (at 0 items/min)
2026-03-21 22:08:11 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/contoured-surface-scrapers/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:08:11 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/contoured-surface-scrapers/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:08:12 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/keys/material~rubber/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:08:12 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/keys/material~rubber/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:08:13 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/converters/transformer-voltage-function~step-up/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:08:13 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/converters/transformer-voltage-function~step-up/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:08:14 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/zip-ties/length~8-1-2/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:08:14 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/zip-ties/length~8-1-2/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:08:15 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/conveyor-belt-lacers/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:08:16 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/conveyor-belt-lacing/hook-style~long-leg-ll/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:08:17 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/conveyor-belts/material~nylon/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:08:18 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/conveyor-brush-holders/backing-width~7-32/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:08:19 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/klip-rings already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:08:20 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/conveyor-chain-trolleys/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:08:21 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/conveyor-covers/food-industry-standard~fda-compliant-21-cfr-181-32/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:08:22 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/button-springs/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:08:23 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/conveyor-belt-lacers/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:08:24 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/conveyor-belt-lacing/hook-style~long-leg-ll/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:08:25 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/conveyor-belts/material~nylon/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:08:27 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/conveyor-brush-holders/backing-width~7-32/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:08:28 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/klip-rings already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:08:29 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/conveyor-chain-trolleys/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:08:30 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/conveyor-covers/food-industry-standard~fda-compliant-21-cfr-181-32/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:08:31 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/button-springs/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:08:32 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/conveyor-belt-lacers/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:08:32 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/conveyor-belt-lacers/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:08:33 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/conveyor-belt-lacing/hook-style~long-leg-ll/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:08:33 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/conveyor-belt-lacing/hook-style~long-leg-ll/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:08:34 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/conveyor-belts/material~nylon/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:08:34 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/conveyor-belts/material~nylon/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:08:35 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/conveyor-brush-holders/backing-width~7-32/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:08:35 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/conveyor-brush-holders/backing-width~7-32/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:08:36 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/klip-rings> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:08:36 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/klip-rings>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:08:37 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/conveyor-chain-trolleys/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:08:37 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/conveyor-chain-trolleys/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:08:38 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/conveyor-covers/food-industry-standard~fda-compliant-21-cfr-181-32/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:08:38 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/conveyor-covers/food-industry-standard~fda-compliant-21-cfr-181-32/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:08:39 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/button-springs/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:08:40 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/button-springs/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:08:40 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/conveyor-pulley-coatings/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:08:41 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/knobs/handle-style~three-spoke/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:08:42 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/knobs/mount-type~adhesive/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:08:43 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/conveyor-roller-covers/food-industry-standard~fda-compliant-21-cfr-177-1980/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:08:44 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/knobs/thread-size~1-2-13/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:08:45 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/struts/material~aluminum-2/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:08:46 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/struts/material~aluminum/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:08:48 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/conveyor-rollers/between-frame-width~32/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:08:49 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/conveyor-pulley-coatings/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:08:50 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/knobs/handle-style~three-spoke/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:08:51 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/knobs/mount-type~adhesive/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:08:52 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/conveyor-roller-covers/food-industry-standard~fda-compliant-21-cfr-177-1980/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:08:53 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/knobs/thread-size~1-2-13/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:08:54 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/struts/material~aluminum-2/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:08:56 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/struts/material~aluminum/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:08:57 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/conveyor-rollers/between-frame-width~32/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:08:58 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/conveyor-pulley-coatings/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:08:58 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/conveyor-pulley-coatings/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:08:58 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/knobs/handle-style~three-spoke/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:08:58 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/knobs/handle-style~three-spoke/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:08:59 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/knobs/mount-type~adhesive/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:08:59 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/knobs/mount-type~adhesive/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:09:00 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/conveyor-roller-covers/food-industry-standard~fda-compliant-21-cfr-177-1980/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:09:00 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/conveyor-roller-covers/food-industry-standard~fda-compliant-21-cfr-177-1980/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:09:01 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/knobs/thread-size~1-2-13/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:09:01 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/knobs/thread-size~1-2-13/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:09:02 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/struts/material~aluminum-2/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:09:02 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/struts/material~aluminum-2/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:09:03 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/struts/material~aluminum/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:09:03 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/struts/material~aluminum/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:09:04 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/conveyor-rollers/between-frame-width~32/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:09:04 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/conveyor-rollers/between-frame-width~32/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:09:05 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/knobs/thread-size~m6/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:09:06 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/struts/strut-channel-type~curved/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:09:07 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/knurled-cup-point-set-screws already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:09:08 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/conveyor-safety-signs/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:09:09 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/knurls already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:09:10 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/c-clamps/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:09:10 [scrapy.extensions.logstats] (PID: 122) INFO: Crawled 0 pages (at 0 pages/min), scraped 0 items (at 0 items/min)
2026-03-21 22:09:11 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/l-handle-spring-plungers already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:09:12 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cooking-thermometers/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:09:13 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/knobs/thread-size~m6/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:09:14 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/struts/strut-channel-type~curved/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:09:16 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/knurled-cup-point-set-screws already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:09:17 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/conveyor-safety-signs/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:09:18 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/knurls already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:09:20 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/c-clamps/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:09:20 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/l-handle-spring-plungers already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:09:22 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cooking-thermometers/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:09:22 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/knobs/thread-size~m6/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:09:22 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/knobs/thread-size~m6/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:09:24 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/struts/strut-channel-type~curved/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:09:24 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/struts/strut-channel-type~curved/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:09:25 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/knurled-cup-point-set-screws> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:09:25 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/knurled-cup-point-set-screws>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:09:25 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/conveyor-safety-signs/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:09:25 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/conveyor-safety-signs/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:09:27 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/knurls> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:09:27 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/knurls>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:09:28 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/c-clamps/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:09:28 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/c-clamps/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:09:29 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/l-handle-spring-plungers> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:09:29 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/l-handle-spring-plungers>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:09:30 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/cooking-thermometers/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:09:30 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/cooking-thermometers/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:09:30 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/coolant-retention-knobs/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:09:31 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/suction-valves/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:09:32 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cooler-latches/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:09:33 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/lags/screw-size~m8/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:09:34 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/sump-pump-basins/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:09:35 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/copper-based-stick-electrodes/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:09:36 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/copper-long-radius-tube-elbows/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:09:38 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/support-buttons/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:09:39 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/coolant-retention-knobs/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:09:40 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/suction-valves/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:09:41 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cooler-latches/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:09:42 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/lags/screw-size~m8/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:09:43 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/sump-pump-basins/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:09:44 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/copper-based-stick-electrodes/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:09:45 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/copper-long-radius-tube-elbows/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:09:46 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/support-buttons/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:09:47 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/coolant-retention-knobs/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:09:47 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/coolant-retention-knobs/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:09:49 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/suction-valves/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:09:49 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/suction-valves/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:09:50 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/cooler-latches/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:09:50 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/cooler-latches/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:09:51 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/lags/screw-size~m8/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:09:51 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/lags/screw-size~m8/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:09:52 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/sump-pump-basins/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:09:52 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/sump-pump-basins/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:09:53 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/copper-based-stick-electrodes/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:09:53 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/copper-based-stick-electrodes/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:09:54 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/copper-long-radius-tube-elbows/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:09:54 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/copper-long-radius-tube-elbows/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:09:55 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/support-buttons/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:09:55 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/support-buttons/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:09:56 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/latch-pins already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:09:57 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cable/american-wire-gauge-awg~22/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:09:58 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/latches/opens-with~knob/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:09:59 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cord-end-ferrules/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:10:00 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/latching-power-connectors already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:10:02 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cord-grips/for-knockout-trade-size~m40/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:10:03 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/lathe-soft-jaws already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:10:04 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/lathes/cut-type~face-knurling/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:10:05 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/latch-pins already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:10:06 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cable/american-wire-gauge-awg~22/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:10:07 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/latches/opens-with~knob/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:10:09 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cord-end-ferrules/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:10:09 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/latching-power-connectors already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:10:10 [scrapy.extensions.logstats] (PID: 122) INFO: Crawled 0 pages (at 0 pages/min), scraped 0 items (at 0 items/min)
2026-03-21 22:10:11 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cord-grips/for-knockout-trade-size~m40/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:10:11 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/lathe-soft-jaws already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:10:12 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/lathes/cut-type~face-knurling/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:10:13 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/latch-pins> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:10:13 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/latch-pins>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:10:14 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/cable/american-wire-gauge-awg~22/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:10:15 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/cable/american-wire-gauge-awg~22/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:10:16 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/latches/opens-with~knob/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:10:16 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/latches/opens-with~knob/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:10:17 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/cord-end-ferrules/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:10:17 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/cord-end-ferrules/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:10:18 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/latching-power-connectors> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:10:18 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/latching-power-connectors>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:10:19 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/cord-grips/for-knockout-trade-size~m40/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:10:20 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/cord-grips/for-knockout-trade-size~m40/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:10:21 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/lathe-soft-jaws> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:10:21 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/lathe-soft-jaws>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:10:21 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/lathes/cut-type~face-knurling/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:10:21 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/lathes/cut-type~face-knurling/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:10:22 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cord-grips/material~bronze-1/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:10:23 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/lavatory-equipment/manufacturer-model-number~110-005/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:10:24 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/surface-plates/surface-plate-grade~laboratory-grade-aa/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:10:25 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cordless-glue-guns/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:10:27 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/surge-suppressor-power-strips/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:10:28 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/lavatory-equipment/manufacturer-model-number~238a/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:10:29 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/swage-standoffs/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:10:30 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/lavatory-equipment/manufacturer-model-number~8111/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:10:31 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cord-grips/material~bronze-1/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:10:32 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/lavatory-equipment/manufacturer-model-number~110-005/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:10:33 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/surface-plates/surface-plate-grade~laboratory-grade-aa/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:10:34 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cordless-glue-guns/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:10:35 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/surge-suppressor-power-strips/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:10:37 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/lavatory-equipment/manufacturer-model-number~238a/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:10:38 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/swage-standoffs/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:10:39 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/lavatory-equipment/manufacturer-model-number~8111/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:10:40 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/cord-grips/material~bronze-1/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:10:40 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/cord-grips/material~bronze-1/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:10:41 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/lavatory-equipment/manufacturer-model-number~110-005/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:10:41 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/lavatory-equipment/manufacturer-model-number~110-005/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:10:42 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/surface-plates/surface-plate-grade~laboratory-grade-aa/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:10:42 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/surface-plates/surface-plate-grade~laboratory-grade-aa/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:10:43 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/cordless-glue-guns/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:10:43 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/cordless-glue-guns/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:10:44 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/surge-suppressor-power-strips/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:10:44 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/surge-suppressor-power-strips/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:10:45 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/lavatory-equipment/manufacturer-model-number~238a/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:10:45 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/lavatory-equipment/manufacturer-model-number~238a/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:10:46 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/swage-standoffs/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:10:46 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/swage-standoffs/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:10:47 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/lavatory-equipment/manufacturer-model-number~8111/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:10:47 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/lavatory-equipment/manufacturer-model-number~8111/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:10:48 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/lavatory-equipment/manufacturer-model-number~8180-1-0/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:10:50 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/sweatshirt-rags/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:10:51 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/sweeper-brushes/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:10:52 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cords/voltage~13-5v-dc/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:10:53 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cords/voltage~40000v-dc-2/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:10:54 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cords/voltage~480v-ac/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:10:55 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/lavatory-equipment/manufacturer-model-number~kn-113/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:10:56 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cords/voltage~6v-dc-1/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:10:57 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/lavatory-equipment/manufacturer-model-number~8180-1-0/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:10:58 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/sweatshirt-rags/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:10:59 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/sweeper-brushes/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:11:01 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cords/voltage~13-5v-dc/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:11:01 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cords/voltage~40000v-dc-2/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:11:03 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cords/voltage~480v-ac/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:11:04 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/lavatory-equipment/manufacturer-model-number~kn-113/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:11:04 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cords/voltage~6v-dc-1/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:11:06 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/lavatory-equipment/manufacturer-model-number~8180-1-0/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:11:06 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/lavatory-equipment/manufacturer-model-number~8180-1-0/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:11:07 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/sweatshirt-rags/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:11:07 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/sweatshirt-rags/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:11:08 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/sweeper-brushes/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:11:08 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/sweeper-brushes/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:11:09 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/cords/voltage~13-5v-dc/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:11:09 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/cords/voltage~13-5v-dc/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:11:10 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/cords/voltage~40000v-dc-2/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:11:10 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/cords/voltage~40000v-dc-2/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:11:10 [scrapy.extensions.logstats] (PID: 122) INFO: Crawled 0 pages (at 0 pages/min), scraped 0 items (at 0 items/min)
2026-03-21 22:11:11 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/cords/voltage~480v-ac/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:11:11 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/cords/voltage~480v-ac/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:11:12 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/lavatory-equipment/manufacturer-model-number~kn-113/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:11:12 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/lavatory-equipment/manufacturer-model-number~kn-113/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:11:13 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/cords/voltage~6v-dc-1/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:11:13 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/cords/voltage~6v-dc-1/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:11:15 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/core-files/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:11:16 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/lavatory-equipment/manufacturer-model-number~p6000-b/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:11:17 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/switches/actuator-style~cross-roller-plunger/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:11:18 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/switches/actuator-style~dual-switch-roller-lever/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:11:19 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/lavatory-equipment/manufacturer-model-number~p6000-ec13/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:11:20 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cork-message-boards/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:11:22 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/corkscrews/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:11:23 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/switches/certification~enec-marked/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:11:24 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/core-files/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:11:25 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/lavatory-equipment/manufacturer-model-number~p6000-b/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:11:26 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/switches/actuator-style~cross-roller-plunger/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:11:28 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/switches/actuator-style~dual-switch-roller-lever/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:11:28 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/lavatory-equipment/manufacturer-model-number~p6000-ec13/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:11:30 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cork-message-boards/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:11:31 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/corkscrews/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:11:32 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/switches/certification~enec-marked/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:11:33 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/core-files/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:11:33 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/core-files/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:11:35 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/lavatory-equipment/manufacturer-model-number~p6000-b/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:11:35 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/lavatory-equipment/manufacturer-model-number~p6000-b/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:11:36 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/switches/actuator-style~cross-roller-plunger/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:11:36 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/switches/actuator-style~cross-roller-plunger/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:11:37 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/switches/actuator-style~dual-switch-roller-lever/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:11:37 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/switches/actuator-style~dual-switch-roller-lever/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:11:38 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/lavatory-equipment/manufacturer-model-number~p6000-ec13/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:11:38 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/lavatory-equipment/manufacturer-model-number~p6000-ec13/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:11:39 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/cork-message-boards/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:11:39 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/cork-message-boards/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:11:40 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/corkscrews/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:11:40 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/corkscrews/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:11:41 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/switches/certification~enec-marked/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:11:41 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/switches/certification~enec-marked/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:11:42 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/lavatory-equipment/manufacturer-model-number~p6000-eur-ws1/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:11:43 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/lavatory-equipment/manufacturer-model-number~s452-159/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:11:44 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/lavatory-equipment/manufacturer-model-number~s52-071/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:11:45 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/corrugated-duct/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:11:47 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cable/use-for~panel-and-equipment-hook-up-/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:11:48 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cotton-duct-hose/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:11:49 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/switches/for-panel-cutout-diameter~3-8/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:11:50 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/ldpe-bar-stock already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:11:51 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/lavatory-equipment/manufacturer-model-number~p6000-eur-ws1/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:11:52 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/lavatory-equipment/manufacturer-model-number~s452-159/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:11:53 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/lavatory-equipment/manufacturer-model-number~s52-071/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:11:54 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/corrugated-duct/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:11:55 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cable/use-for~panel-and-equipment-hook-up-/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:11:56 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cotton-duct-hose/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:11:57 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/switches/for-panel-cutout-diameter~3-8/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:11:58 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/ldpe-bar-stock already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:11:59 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/lavatory-equipment/manufacturer-model-number~p6000-eur-ws1/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:11:59 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/lavatory-equipment/manufacturer-model-number~p6000-eur-ws1/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:12:00 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/lavatory-equipment/manufacturer-model-number~s452-159/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:12:00 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/lavatory-equipment/manufacturer-model-number~s452-159/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:12:02 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/lavatory-equipment/manufacturer-model-number~s52-071/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:12:02 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/lavatory-equipment/manufacturer-model-number~s52-071/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:12:02 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/corrugated-duct/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:12:02 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/corrugated-duct/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:12:04 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/cable/use-for~panel-and-equipment-hook-up-/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:12:04 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/cable/use-for~panel-and-equipment-hook-up-/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:12:05 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/cotton-duct-hose/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:12:05 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/cotton-duct-hose/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:12:06 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/switches/for-panel-cutout-diameter~3-8/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:12:06 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/switches/for-panel-cutout-diameter~3-8/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:12:07 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/ldpe-bar-stock> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:12:07 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/ldpe-bar-stock>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:12:08 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/lead-shields already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:12:09 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/counters/unit-of-measure~miles/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:12:10 [scrapy.extensions.logstats] (PID: 122) INFO: Crawled 0 pages (at 0 pages/min), scraped 0 items (at 0 items/min)
2026-03-21 22:12:11 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/leather-markers already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:12:12 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/countersinks/countersink-angle~120-/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:12:13 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/led-emergency-lights already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:12:15 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/led-lights already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:12:16 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/led-warning-lights already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:12:17 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/LEDs/bulb-shape-number~a23/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:12:18 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/lead-shields already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:12:19 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/counters/unit-of-measure~miles/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:12:20 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/leather-markers already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:12:21 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/countersinks/countersink-angle~120-/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:12:23 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/led-emergency-lights already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:12:24 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/led-lights already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:12:25 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/led-warning-lights already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:12:27 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/LEDs/bulb-shape-number~a23/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:12:28 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/lead-shields> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:12:28 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/lead-shields>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:12:29 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/counters/unit-of-measure~miles/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:12:29 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/counters/unit-of-measure~miles/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:12:30 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/leather-markers> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:12:30 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/leather-markers>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:12:31 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/countersinks/countersink-angle~120-/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:12:31 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/countersinks/countersink-angle~120-/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:12:32 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/led-emergency-lights> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:12:32 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/led-emergency-lights>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:12:33 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/led-lights> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:12:33 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/led-lights>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:12:34 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/led-warning-lights> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:12:34 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/led-warning-lights>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:12:36 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/LEDs/bulb-shape-number~a23/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:12:36 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/LEDs/bulb-shape-number~a23/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:12:37 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/couplings/fitting-connection~o-ring-face-seal/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:12:38 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/LEDs/light-technology~cfl/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:12:39 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/left-hand-threaded-cap-screws already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:12:40 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/left-hand-threaded-hex-head-screws already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:12:41 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cable-drums/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:12:42 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/level-detectors already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:12:43 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/leveling-washers already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:12:44 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/levels/mount-type~hook-and-loop/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:12:45 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/couplings/fitting-connection~o-ring-face-seal/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:12:46 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/LEDs/light-technology~cfl/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:12:47 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/left-hand-threaded-cap-screws already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:12:49 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/left-hand-threaded-hex-head-screws already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:12:50 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cable-drums/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:12:51 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/level-detectors already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:12:53 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/leveling-washers already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:12:54 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/levels/mount-type~hook-and-loop/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:12:55 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/couplings/fitting-connection~o-ring-face-seal/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:12:55 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/couplings/fitting-connection~o-ring-face-seal/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:12:56 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/LEDs/light-technology~cfl/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:12:56 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/LEDs/light-technology~cfl/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:12:57 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/left-hand-threaded-cap-screws> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:12:57 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/left-hand-threaded-cap-screws>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:12:58 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/left-hand-threaded-hex-head-screws> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:12:59 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/left-hand-threaded-hex-head-screws>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:13:00 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/cable-drums/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:13:00 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/cable-drums/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:13:01 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/level-detectors> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:13:01 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/level-detectors>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:13:02 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/leveling-washers> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:13:02 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/leveling-washers>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:13:03 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/levels/mount-type~hook-and-loop/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:13:04 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/levels/mount-type~hook-and-loop/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:13:05 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/switches/switching-current~2-2a/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:13:06 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/levels/shape~tee/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:13:06 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/levels/thread-size~1-5-16-12/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:13:07 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/couplings/for-use-with~varnish/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:13:09 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/levels/thread-size~8-32/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:13:10 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/couplings/pipe-size~1-4/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:13:10 [scrapy.extensions.logstats] (PID: 122) INFO: Crawled 0 pages (at 0 pages/min), scraped 0 items (at 0 items/min)
2026-03-21 22:13:11 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/switches/switching-current~65a/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:13:12 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/switches/switching-voltage~30v-ac-1/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:13:13 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/switches/switching-current~2-2a/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:13:14 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/levels/shape~tee/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:13:15 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/levels/thread-size~1-5-16-12/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:13:16 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/couplings/for-use-with~varnish/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:13:17 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/levels/thread-size~8-32/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:13:19 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/couplings/pipe-size~1-4/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:13:20 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/switches/switching-current~65a/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:13:21 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/switches/switching-voltage~30v-ac-1/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:13:22 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/switches/switching-current~2-2a/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:13:22 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/switches/switching-current~2-2a/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:13:23 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/levels/shape~tee/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:13:23 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/levels/shape~tee/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:13:24 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/levels/thread-size~1-5-16-12/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:13:24 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/levels/thread-size~1-5-16-12/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:13:26 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/couplings/for-use-with~varnish/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:13:26 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/couplings/for-use-with~varnish/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:13:27 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/levels/thread-size~8-32/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:13:27 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/levels/thread-size~8-32/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:13:28 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/couplings/pipe-size~1-4/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:13:28 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/couplings/pipe-size~1-4/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:13:29 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/switches/switching-current~65a/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:13:29 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/switches/switching-current~65a/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:13:31 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/switches/switching-voltage~30v-ac-1/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:13:31 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/switches/switching-voltage~30v-ac-1/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:13:32 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/switches/switching-voltage~30v-ac/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:13:33 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/switches/switching-voltage~60v-ac/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:13:34 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/lifting-hooks already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:13:35 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/couplings/thread-size~3-4-6/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:13:37 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cable-tie-downs/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:13:38 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/couplings/thread-type~npsc/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:13:39 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/base-number~ba15s/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:13:40 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/base-number~e39/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:13:41 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/switches/switching-voltage~30v-ac/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:13:42 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/switches/switching-voltage~60v-ac/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:13:43 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/lifting-hooks already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:13:44 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/couplings/thread-size~3-4-6/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:13:45 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cable-tie-downs/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:13:47 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/couplings/thread-type~npsc/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:13:48 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/base-number~ba15s/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:13:49 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/base-number~e39/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:13:50 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/switches/switching-voltage~30v-ac/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:13:50 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/switches/switching-voltage~30v-ac/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:13:51 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/switches/switching-voltage~60v-ac/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:13:52 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/switches/switching-voltage~60v-ac/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:13:53 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/lifting-hooks> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:13:53 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/lifting-hooks>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:13:53 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/couplings/thread-size~3-4-6/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:13:53 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/couplings/thread-size~3-4-6/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:13:55 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/cable-tie-downs/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:13:55 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/cable-tie-downs/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:13:56 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/couplings/thread-type~npsc/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:13:56 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/couplings/thread-type~npsc/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:13:57 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/light-bulbs/base-number~ba15s/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:13:57 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/light-bulbs/base-number~ba15s/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:13:58 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/light-bulbs/base-number~e39/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:13:58 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/light-bulbs/base-number~e39/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:13:59 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cpvc-pipe-tees/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:14:00 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/base-number~gx24q-2/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:14:01 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cr123a-batteries/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:14:02 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cracked-ice-light-diffusers/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:14:03 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/base-type~socket/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:14:04 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/craftsman-compatible-garage-door-openers/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:14:05 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/bulb-shape~cone/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:14:06 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/bulb-shape~pear/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:14:08 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cpvc-pipe-tees/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:14:09 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/base-number~gx24q-2/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:14:10 [scrapy.extensions.logstats] (PID: 122) INFO: Crawled 0 pages (at 0 pages/min), scraped 0 items (at 0 items/min)
2026-03-21 22:14:10 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cr123a-batteries/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:14:11 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cracked-ice-light-diffusers/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:14:12 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/base-type~socket/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:14:13 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/craftsman-compatible-garage-door-openers/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:14:15 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/bulb-shape~cone/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:14:16 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/bulb-shape~pear/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:14:17 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/cpvc-pipe-tees/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:14:17 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/cpvc-pipe-tees/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:14:17 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/light-bulbs/base-number~gx24q-2/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:14:17 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/light-bulbs/base-number~gx24q-2/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:14:18 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/cr123a-batteries/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:14:18 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/cr123a-batteries/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:14:19 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/cracked-ice-light-diffusers/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:14:20 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/cracked-ice-light-diffusers/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:14:21 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/light-bulbs/base-type~socket/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:14:21 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/light-bulbs/base-type~socket/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:14:22 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/craftsman-compatible-garage-door-openers/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:14:22 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/craftsman-compatible-garage-door-openers/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:14:23 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/light-bulbs/bulb-shape~cone/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:14:23 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/light-bulbs/bulb-shape~cone/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:14:24 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/light-bulbs/bulb-shape~pear/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:14:25 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/light-bulbs/bulb-shape~pear/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:14:25 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/bulb-shape~pointed/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:14:26 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/crc-corrosion-inhibitor/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:14:27 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/bulb-shape-number~par30/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:14:29 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/swivels/thread-size~1-1-4-5/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:14:30 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/swivels/thread-size~1-1-4-8-1/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:14:31 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/swivels/thread-size~2-1-2-4/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:14:32 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/bulb-shape-number~t7/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:14:33 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/swivels/thread-size~5-8-8/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:14:34 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/bulb-shape~pointed/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:14:35 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/crc-corrosion-inhibitor/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:14:36 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/bulb-shape-number~par30/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:14:37 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/swivels/thread-size~1-1-4-5/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:14:38 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/swivels/thread-size~1-1-4-8-1/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:14:39 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/swivels/thread-size~2-1-2-4/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:14:40 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/bulb-shape-number~t7/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:14:41 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/swivels/thread-size~5-8-8/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:14:42 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/light-bulbs/bulb-shape~pointed/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:14:42 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/light-bulbs/bulb-shape~pointed/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:14:43 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/crc-corrosion-inhibitor/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:14:43 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/crc-corrosion-inhibitor/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:14:44 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/light-bulbs/bulb-shape-number~par30/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:14:45 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/light-bulbs/bulb-shape-number~par30/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:14:46 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/swivels/thread-size~1-1-4-5/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:14:46 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/swivels/thread-size~1-1-4-5/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:14:47 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/swivels/thread-size~1-1-4-8-1/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:14:47 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/swivels/thread-size~1-1-4-8-1/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:14:48 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/swivels/thread-size~2-1-2-4/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:14:48 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/swivels/thread-size~2-1-2-4/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:14:49 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/light-bulbs/bulb-shape-number~t7/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:14:49 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/light-bulbs/bulb-shape-number~t7/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:14:50 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/swivels/thread-size~5-8-8/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:14:50 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/swivels/thread-size~5-8-8/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:14:51 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/trade-number~1093/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:14:52 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/crowfeet/drive-size~11-mm-1/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:14:54 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/crowfeet/drive-size~2-1-8-1/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:14:55 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/trade-number~1157a/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:14:56 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/crowfeet/drive-size~20-mm-1/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:14:57 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/trade-number~1157na/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:14:59 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/trade-number~12psb/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:15:00 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/syringes/capacity~0-005-ml/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:15:01 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/trade-number~1093/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:15:02 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/crowfeet/drive-size~11-mm-1/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:15:03 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/crowfeet/drive-size~2-1-8-1/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:15:04 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/trade-number~1157a/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:15:05 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/crowfeet/drive-size~20-mm-1/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:15:06 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/trade-number~1157na/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:15:07 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/trade-number~12psb/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:15:08 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/syringes/capacity~0-005-ml/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:15:09 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/light-bulbs/trade-number~1093/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:15:09 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/light-bulbs/trade-number~1093/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:15:10 [scrapy.extensions.logstats] (PID: 122) INFO: Crawled 0 pages (at 0 pages/min), scraped 0 items (at 0 items/min)
2026-03-21 22:15:10 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/crowfeet/drive-size~11-mm-1/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:15:10 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/crowfeet/drive-size~11-mm-1/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:15:12 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/crowfeet/drive-size~2-1-8-1/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:15:12 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/crowfeet/drive-size~2-1-8-1/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:15:13 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/light-bulbs/trade-number~1157a/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:15:13 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/light-bulbs/trade-number~1157a/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:15:14 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/crowfeet/drive-size~20-mm-1/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:15:14 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/crowfeet/drive-size~20-mm-1/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:15:15 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/light-bulbs/trade-number~1157na/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:15:15 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/light-bulbs/trade-number~1157na/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:15:16 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/light-bulbs/trade-number~12psb/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:15:16 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/light-bulbs/trade-number~12psb/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:15:17 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/syringes/capacity~0-005-ml/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:15:17 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/syringes/capacity~0-005-ml/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:15:18 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/crush-resistant-duct-hose/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:15:19 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/crushers/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:15:20 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/crystal-simple-green/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:15:21 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cable-troughs/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:15:22 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/trade-number~192/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:15:23 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/caged-bearings/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:15:24 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/caged-needle-bearings/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:15:25 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/current-limiters/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:15:26 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/crush-resistant-duct-hose/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:15:27 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/crushers/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:15:28 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/crystal-simple-green/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:15:29 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cable-troughs/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:15:30 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/trade-number~192/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:15:31 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/caged-bearings/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:15:32 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/caged-needle-bearings/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:15:34 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/current-limiters/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:15:35 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/crush-resistant-duct-hose/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:15:35 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/crush-resistant-duct-hose/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:15:36 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/crushers/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:15:36 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/crushers/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:15:37 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/crystal-simple-green/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:15:37 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/crystal-simple-green/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:15:39 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/cable-troughs/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:15:39 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/cable-troughs/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:15:40 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/light-bulbs/trade-number~192/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:15:40 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/light-bulbs/trade-number~192/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:15:41 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/caged-bearings/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:15:41 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/caged-bearings/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:15:42 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/caged-needle-bearings/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:15:42 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/caged-needle-bearings/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:15:43 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/current-limiters/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:15:43 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/current-limiters/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:15:44 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/trade-number~250q-cl-dc/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:15:45 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/trade-number~2821/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:15:47 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/curved-conveyors/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:15:48 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/t-handles/drive-size~2-5-mm-1/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:15:49 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/t-handles/drive-size~ip10-1/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:15:50 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/custom-magnetic-signs/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:15:51 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/caliper-calibrators/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:15:52 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/trade-number~3456ll/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:15:53 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/trade-number~250q-cl-dc/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:15:54 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/trade-number~2821/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:15:55 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/curved-conveyors/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:15:56 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/t-handles/drive-size~2-5-mm-1/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:15:58 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/t-handles/drive-size~ip10-1/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:15:58 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/custom-magnetic-signs/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:16:00 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/caliper-calibrators/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:16:01 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/trade-number~3456ll/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:16:02 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/light-bulbs/trade-number~250q-cl-dc/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:16:02 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/light-bulbs/trade-number~250q-cl-dc/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:16:04 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/light-bulbs/trade-number~2821/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:16:04 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/light-bulbs/trade-number~2821/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:16:05 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/curved-conveyors/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:16:05 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/curved-conveyors/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:16:06 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/t-handles/drive-size~2-5-mm-1/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:16:06 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/t-handles/drive-size~2-5-mm-1/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:16:07 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/t-handles/drive-size~ip10-1/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:16:07 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/t-handles/drive-size~ip10-1/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:16:08 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/custom-magnetic-signs/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:16:08 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/custom-magnetic-signs/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:16:09 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/caliper-calibrators/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:16:09 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/caliper-calibrators/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:16:10 [scrapy.extensions.logstats] (PID: 122) INFO: Crawled 0 pages (at 0 pages/min), scraped 0 items (at 0 items/min)
2026-03-21 22:16:10 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/light-bulbs/trade-number~3456ll/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:16:11 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/light-bulbs/trade-number~3456ll/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:16:12 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cutoff-wheels/arbor-hole-size~3-8/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:16:12 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/trade-number~4350/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:16:13 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/t-handles/size~ip25/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:16:14 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/trade-number~45/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:16:16 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/trade-number~561/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:16:17 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/trade-number~69/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:16:18 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/trade-number~7613/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:16:19 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cutting-board-racks/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:16:20 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cutoff-wheels/arbor-hole-size~3-8/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:16:21 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/trade-number~4350/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:16:22 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/t-handles/size~ip25/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:16:23 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/trade-number~45/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:16:24 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/trade-number~561/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:16:25 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/trade-number~69/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:16:26 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/trade-number~7613/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:16:26 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cutting-board-racks/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:16:28 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/cutoff-wheels/arbor-hole-size~3-8/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:16:28 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/cutoff-wheels/arbor-hole-size~3-8/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:16:29 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/light-bulbs/trade-number~4350/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:16:29 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/light-bulbs/trade-number~4350/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:16:30 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/t-handles/size~ip25/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:16:30 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/t-handles/size~ip25/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:16:31 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/light-bulbs/trade-number~45/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:16:31 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/light-bulbs/trade-number~45/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:16:32 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/light-bulbs/trade-number~561/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:16:32 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/light-bulbs/trade-number~561/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:16:33 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/light-bulbs/trade-number~69/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:16:33 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/light-bulbs/trade-number~69/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:16:34 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/light-bulbs/trade-number~7613/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:16:34 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/light-bulbs/trade-number~7613/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:16:35 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/cutting-board-racks/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:16:35 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/cutting-board-racks/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:16:36 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cx120-v-belts/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:16:36 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/t-slots/t-slot-framing-component~outlet-strip/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:16:38 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cylinder-holders/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:16:39 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/t-slots/t-slot-framing-component~sensor-holder/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:16:40 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/trade-number~909/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:16:41 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/trade-number~917/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:16:42 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/trade-number~btm/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:16:43 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/t-slots/thread-size~7-16-14/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:16:44 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cx120-v-belts/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:16:45 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/t-slots/t-slot-framing-component~outlet-strip/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:16:46 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cylinder-holders/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:16:47 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/t-slots/t-slot-framing-component~sensor-holder/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:16:48 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/trade-number~909/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:16:49 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/trade-number~917/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:16:51 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/trade-number~btm/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:16:52 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/t-slots/thread-size~7-16-14/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:16:53 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/cx120-v-belts/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:16:53 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/cx120-v-belts/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:16:54 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/t-slots/t-slot-framing-component~outlet-strip/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:16:54 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/t-slots/t-slot-framing-component~outlet-strip/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:16:55 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/cylinder-holders/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:16:55 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/cylinder-holders/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:16:56 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/t-slots/t-slot-framing-component~sensor-holder/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:16:56 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/t-slots/t-slot-framing-component~sensor-holder/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:16:57 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/light-bulbs/trade-number~909/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:16:57 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/light-bulbs/trade-number~909/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:16:58 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/light-bulbs/trade-number~917/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:16:58 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/light-bulbs/trade-number~917/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:16:59 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/light-bulbs/trade-number~btm/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:16:59 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/light-bulbs/trade-number~btm/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:17:00 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/t-slots/thread-size~7-16-14/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:17:00 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/t-slots/thread-size~7-16-14/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:17:01 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/trade-number~f14t12/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:17:02 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/dark-thread-cutting-oils/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:17:03 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/data-transmission-wall-plates/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:17:04 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/trade-number~fc12t9/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:17:05 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cam-lock-hose-fittings/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:17:06 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/t-slotted-framing-rail-slides/rail-slide-type~pivoting/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:17:07 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/camera-holders/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:17:08 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/trade-number~hpr51/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:17:09 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/trade-number~f14t12/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:17:10 [scrapy.extensions.logstats] (PID: 122) INFO: Crawled 0 pages (at 0 pages/min), scraped 0 items (at 0 items/min)
2026-03-21 22:17:10 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/dark-thread-cutting-oils/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:17:12 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/data-transmission-wall-plates/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:17:13 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/trade-number~fc12t9/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:17:14 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cam-lock-hose-fittings/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:17:15 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/t-slotted-framing-rail-slides/rail-slide-type~pivoting/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:17:16 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/camera-holders/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:17:17 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/trade-number~hpr51/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:17:18 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/light-bulbs/trade-number~f14t12/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:17:18 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/light-bulbs/trade-number~f14t12/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:17:19 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/dark-thread-cutting-oils/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:17:19 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/dark-thread-cutting-oils/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:17:20 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/data-transmission-wall-plates/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:17:20 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/data-transmission-wall-plates/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:17:21 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/light-bulbs/trade-number~fc12t9/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:17:21 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/light-bulbs/trade-number~fc12t9/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:17:22 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/cam-lock-hose-fittings/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:17:23 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/cam-lock-hose-fittings/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:17:24 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/t-slotted-framing-rail-slides/rail-slide-type~pivoting/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:17:24 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/t-slotted-framing-rail-slides/rail-slide-type~pivoting/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:17:25 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/camera-holders/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:17:25 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/camera-holders/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:17:26 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/light-bulbs/trade-number~hpr51/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:17:26 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/light-bulbs/trade-number~hpr51/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:17:27 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/trade-number~q50t4-cl/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:17:28 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/voltage~1-5v-ac/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:17:29 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/t8-strip-lights/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:17:31 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/voltage~2-6v-ac/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:17:32 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/depth-gauges/manufacturer-model-number~900367/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:17:33 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tabletops/material~steel/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:17:34 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tabs/system-of-measurement~metric/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:17:35 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/wattage~10-8w/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:17:36 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/trade-number~q50t4-cl/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:17:38 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/voltage~1-5v-ac/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:17:39 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/t8-strip-lights/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:17:40 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/voltage~2-6v-ac/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:17:41 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/depth-gauges/manufacturer-model-number~900367/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:17:42 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tabletops/material~steel/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:17:44 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tabs/system-of-measurement~metric/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:17:45 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/wattage~10-8w/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:17:46 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/light-bulbs/trade-number~q50t4-cl/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:17:46 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/light-bulbs/trade-number~q50t4-cl/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:17:47 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/light-bulbs/voltage~1-5v-ac/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:17:47 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/light-bulbs/voltage~1-5v-ac/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:17:48 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/t8-strip-lights/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:17:48 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/t8-strip-lights/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:17:49 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/light-bulbs/voltage~2-6v-ac/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:17:49 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/light-bulbs/voltage~2-6v-ac/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:17:50 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/depth-gauges/manufacturer-model-number~900367/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:17:50 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/depth-gauges/manufacturer-model-number~900367/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:17:51 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/tabletops/material~steel/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:17:51 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/tabletops/material~steel/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:17:52 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/tabs/system-of-measurement~metric/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:17:52 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/tabs/system-of-measurement~metric/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:17:53 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/light-bulbs/wattage~10-8w/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:17:53 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/light-bulbs/wattage~10-8w/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:17:54 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/development-board-sensor-modules/sensor-type~barcode-scanner/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:17:56 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tag-lines/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:17:57 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/wattage~18-4w/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:17:58 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tag-protectors/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:17:59 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/devicenet-cable/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:18:00 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/wattage~22-4w/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:18:02 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/dewalt-parts/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:18:03 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/wattage~3-6w/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:18:04 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/development-board-sensor-modules/sensor-type~barcode-scanner/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:18:05 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tag-lines/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:18:06 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/wattage~18-4w/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:18:08 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tag-protectors/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:18:08 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/devicenet-cable/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:18:10 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/wattage~22-4w/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:18:10 [scrapy.extensions.logstats] (PID: 122) INFO: Crawled 0 pages (at 0 pages/min), scraped 0 items (at 0 items/min)
2026-03-21 22:18:11 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/dewalt-parts/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:18:12 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/wattage~3-6w/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:18:13 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/development-board-sensor-modules/sensor-type~barcode-scanner/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:18:13 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/development-board-sensor-modules/sensor-type~barcode-scanner/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:18:14 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/tag-lines/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:18:14 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/tag-lines/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:18:15 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/light-bulbs/wattage~18-4w/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:18:15 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/light-bulbs/wattage~18-4w/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:18:16 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/tag-protectors/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:18:16 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/tag-protectors/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:18:17 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/devicenet-cable/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:18:17 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/devicenet-cable/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:18:18 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/light-bulbs/wattage~22-4w/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:18:19 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/light-bulbs/wattage~22-4w/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:18:20 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/dewalt-parts/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:18:20 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/dewalt-parts/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:18:21 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/light-bulbs/wattage~3-6w/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:18:21 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/light-bulbs/wattage~3-6w/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:18:22 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/wattage~5w/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:18:23 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tangless-helical-insert-tools/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:18:24 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/wattage~86w/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:18:25 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/dial-indicators/manufacturer-model-number~676-3/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:18:26 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:18:27 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-diffusers already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:18:28 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tank-lights/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:18:29 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/carbide-tipped-lathe-bits/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:18:29 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/wattage~5w/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:18:31 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tangless-helical-insert-tools/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:18:32 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs/wattage~86w/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:18:33 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/dial-indicators/manufacturer-model-number~676-3/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:18:34 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-bulbs already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:18:35 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/light-diffusers already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:18:36 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tank-lights/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:18:37 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/carbide-tipped-lathe-bits/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:18:38 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/light-bulbs/wattage~5w/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:18:38 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/light-bulbs/wattage~5w/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:18:40 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/tangless-helical-insert-tools/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:18:40 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/tangless-helical-insert-tools/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:18:41 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/light-bulbs/wattage~86w/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:18:41 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/light-bulbs/wattage~86w/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:18:42 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/dial-indicators/manufacturer-model-number~676-3/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:18:42 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/dial-indicators/manufacturer-model-number~676-3/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:18:43 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/light-bulbs> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:18:43 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/light-bulbs>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:18:44 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/light-diffusers> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:18:44 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/light-diffusers>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:18:45 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/tank-lights/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:18:45 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/tank-lights/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:18:46 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/carbide-tipped-lathe-bits/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:18:46 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/carbide-tipped-lathe-bits/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:18:48 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/dial-indicators/manufacturer-model-number~pt23942/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:18:49 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/linear-actuators already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:18:50 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/linear-motion-bushings already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:18:51 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/diameter-tape-measures/length~6-ft/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:18:53 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tanks/capacity~130-gal/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:18:53 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/diamond-grit-circular-saw-blades/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:18:55 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tanks/capacity~18-gal/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:18:56 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/diaphragm-dispensing-pumps/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:18:57 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/dial-indicators/manufacturer-model-number~pt23942/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:18:58 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/linear-actuators already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:18:59 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/linear-motion-bushings already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:18:59 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/diameter-tape-measures/length~6-ft/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:19:01 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tanks/capacity~130-gal/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:19:02 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/diamond-grit-circular-saw-blades/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:19:03 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tanks/capacity~18-gal/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:19:04 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/diaphragm-dispensing-pumps/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:19:05 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/dial-indicators/manufacturer-model-number~pt23942/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:19:05 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/dial-indicators/manufacturer-model-number~pt23942/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:19:06 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/linear-actuators> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:19:06 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/linear-actuators>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:19:08 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/linear-motion-bushings> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:19:08 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/linear-motion-bushings>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:19:09 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/diameter-tape-measures/length~6-ft/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:19:09 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/diameter-tape-measures/length~6-ft/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:19:09 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/tanks/capacity~130-gal/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:19:10 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/tanks/capacity~130-gal/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:19:10 [scrapy.extensions.logstats] (PID: 122) INFO: Crawled 0 pages (at 0 pages/min), scraped 0 items (at 0 items/min)
2026-03-21 22:19:11 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/diamond-grit-circular-saw-blades/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:19:11 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/diamond-grit-circular-saw-blades/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:19:12 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/tanks/capacity~18-gal/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:19:12 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/tanks/capacity~18-gal/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:19:13 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/diaphragm-dispensing-pumps/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:19:13 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/diaphragm-dispensing-pumps/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:19:14 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/diaphragm-springs/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:19:16 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/liners/flexibility~very-flexible/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:19:17 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/die-grinders/for-use-with~cutoff-wheels/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:19:18 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tanks/capacity~60-gal/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:19:19 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tanks/capacity~9-1-2-gal/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:19:20 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tanks/capacity-weight-~1-3-8-gal-/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:19:21 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/card-sleeves/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:19:22 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/liquid-levels already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:19:23 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/diaphragm-springs/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:19:24 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/liners/flexibility~very-flexible/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:19:25 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/die-grinders/for-use-with~cutoff-wheels/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:19:27 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tanks/capacity~60-gal/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:19:28 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tanks/capacity~9-1-2-gal/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:19:29 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tanks/capacity-weight-~1-3-8-gal-/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:19:30 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/card-sleeves/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:19:31 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/liquid-levels already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:19:32 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/diaphragm-springs/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:19:32 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/diaphragm-springs/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:19:33 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/liners/flexibility~very-flexible/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:19:33 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/liners/flexibility~very-flexible/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:19:34 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/die-grinders/for-use-with~cutoff-wheels/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:19:34 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/die-grinders/for-use-with~cutoff-wheels/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:19:35 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/tanks/capacity~60-gal/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:19:35 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/tanks/capacity~60-gal/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:19:37 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/tanks/capacity~9-1-2-gal/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:19:37 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/tanks/capacity~9-1-2-gal/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:19:38 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/tanks/capacity-weight-~1-3-8-gal-/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:19:38 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/tanks/capacity-weight-~1-3-8-gal-/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:19:39 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/card-sleeves/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:19:39 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/card-sleeves/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:19:40 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/liquid-levels> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:19:40 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/liquid-levels>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:19:42 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/die-lifting-tongs/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:19:43 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tanks/capacity-weight-~40-gal-/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:19:44 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/dies/thread-size~1-2-13/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:19:45 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/locking-hinges already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:19:46 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/dies/thread-size~11-16-11/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:19:47 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cart-wheels/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:19:48 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tanks/for-use-with~formaldehyde/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:19:49 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/dies/thread-size~2-56/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:19:50 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/die-lifting-tongs/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:19:52 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tanks/capacity-weight-~40-gal-/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:19:53 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/dies/thread-size~1-2-13/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:19:54 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/locking-hinges already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:19:55 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/dies/thread-size~11-16-11/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:19:56 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cart-wheels/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:19:56 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tanks/for-use-with~formaldehyde/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:19:57 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/dies/thread-size~2-56/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:19:58 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/die-lifting-tongs/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:19:58 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/die-lifting-tongs/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:20:00 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/tanks/capacity-weight-~40-gal-/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:20:00 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/tanks/capacity-weight-~40-gal-/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:20:01 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/dies/thread-size~1-2-13/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:20:01 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/dies/thread-size~1-2-13/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:20:02 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/locking-hinges> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:20:02 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/locking-hinges>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:20:03 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/dies/thread-size~11-16-11/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:20:03 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/dies/thread-size~11-16-11/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:20:04 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/cart-wheels/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:20:04 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/cart-wheels/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:20:05 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/tanks/for-use-with~formaldehyde/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:20:05 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/tanks/for-use-with~formaldehyde/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:20:06 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/dies/thread-size~2-56/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:20:06 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/dies/thread-size~2-56/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:20:07 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/case-hardened-nuts/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:20:08 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/locks/manufacturer~wilson-bohannan/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:20:09 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/locks/material~fabric/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:20:10 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/locks/opens-with~handle/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:20:10 [scrapy.extensions.logstats] (PID: 122) INFO: Crawled 0 pages (at 0 pages/min), scraped 0 items (at 0 items/min)
2026-03-21 22:20:11 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/loctite-078 already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:20:11 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tap-and-die-wrench-sets/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:20:12 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/dies/thread-size~5-8-20/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:20:13 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/loctite-294 already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:20:14 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/case-hardened-nuts/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:20:15 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/locks/manufacturer~wilson-bohannan/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:20:16 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/locks/material~fabric/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:20:18 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/locks/opens-with~handle/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:20:19 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/loctite-078 already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:20:20 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tap-and-die-wrench-sets/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:20:21 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/dies/thread-size~5-8-20/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:20:22 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/loctite-294 already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:20:23 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/case-hardened-nuts/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:20:23 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/case-hardened-nuts/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:20:24 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/locks/manufacturer~wilson-bohannan/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:20:24 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/locks/manufacturer~wilson-bohannan/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:20:25 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/locks/material~fabric/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:20:25 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/locks/material~fabric/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:20:26 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/locks/opens-with~handle/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:20:26 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/locks/opens-with~handle/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:20:27 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/loctite-078> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:20:27 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/loctite-078>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:20:28 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/tap-and-die-wrench-sets/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:20:28 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/tap-and-die-wrench-sets/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:20:29 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/dies/thread-size~5-8-20/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:20:29 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/dies/thread-size~5-8-20/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:20:30 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/loctite-294> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:20:30 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/loctite-294>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:20:31 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tap-die-and-drill-bit-kits/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:20:32 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/loctite-325 already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:20:33 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/dies/thread-size~9-16-12/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:20:34 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tape-measures/length~16-ft-/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:20:35 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/digital-height-gauges/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:20:36 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/loctite-7113 already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:20:37 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/din-103-lead-screw-nuts/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:20:38 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/din-3861-nuts/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:20:39 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tap-die-and-drill-bit-kits/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:20:40 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/loctite-325 already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:20:42 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/dies/thread-size~9-16-12/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:20:43 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tape-measures/length~16-ft-/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:20:43 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/digital-height-gauges/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:20:45 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/loctite-7113 already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:20:46 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/din-103-lead-screw-nuts/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:20:46 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/din-3861-nuts/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:20:48 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/tap-die-and-drill-bit-kits/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:20:48 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/tap-die-and-drill-bit-kits/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:20:49 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/loctite-325> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:20:49 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/loctite-325>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:20:50 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/dies/thread-size~9-16-12/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:20:50 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/dies/thread-size~9-16-12/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:20:51 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/tape-measures/length~16-ft-/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:20:51 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/tape-measures/length~16-ft-/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:20:52 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/digital-height-gauges/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:20:52 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/digital-height-gauges/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:20:53 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/loctite-7113> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:20:53 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/loctite-7113>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:20:54 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/din-103-lead-screw-nuts/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:20:54 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/din-103-lead-screw-nuts/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:20:55 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/din-3861-nuts/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:20:56 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/din-3861-nuts/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:20:57 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tape-measures/manufacturer-model-number~l1216b/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:20:58 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/catwalk-flooring/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:20:59 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/din-rails/height~221-mm/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:21:00 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/loose-pin-butt-hinges already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:21:01 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tape-rulers/manufacturer~stanley/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:21:02 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/dip-coating-pots/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:21:03 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/direct-tension-indicators/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:21:04 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/directional-tape/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:21:05 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tape-measures/manufacturer-model-number~l1216b/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:21:06 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/catwalk-flooring/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:21:07 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/din-rails/height~221-mm/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:21:08 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/loose-pin-butt-hinges already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:21:10 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tape-rulers/manufacturer~stanley/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:21:10 [scrapy.extensions.logstats] (PID: 122) INFO: Crawled 0 pages (at 0 pages/min), scraped 0 items (at 0 items/min)
2026-03-21 22:21:11 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/dip-coating-pots/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:21:12 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/direct-tension-indicators/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:21:13 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/directional-tape/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:21:14 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/tape-measures/manufacturer-model-number~l1216b/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:21:14 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/tape-measures/manufacturer-model-number~l1216b/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:21:15 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/catwalk-flooring/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:21:15 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/catwalk-flooring/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:21:16 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/din-rails/height~221-mm/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:21:16 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/din-rails/height~221-mm/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:21:17 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/loose-pin-butt-hinges> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:21:17 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/loose-pin-butt-hinges>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:21:18 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/tape-rulers/manufacturer~stanley/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:21:18 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/tape-rulers/manufacturer~stanley/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:21:19 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/dip-coating-pots/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:21:19 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/dip-coating-pots/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:21:20 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/direct-tension-indicators/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:21:20 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/direct-tension-indicators/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:21:21 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/directional-tape/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:21:21 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/directional-tape/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:21:22 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/low-temperature-strip-doors already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:21:23 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/ceiling-grates/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:21:24 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/disposable-funnels/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:21:25 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cellophane-bags/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:21:26 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/disposable-respirator-masks/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:21:28 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/lubricants/manufacturer~relton/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:21:29 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/lubricants/specifications-met~nsf-ansi/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:21:29 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/lubricants/thickener~polyurea/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:21:31 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/low-temperature-strip-doors already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:21:32 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/ceiling-grates/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:21:33 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/disposable-funnels/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:21:34 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cellophane-bags/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:21:35 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/disposable-respirator-masks/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:21:37 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/lubricants/manufacturer~relton/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:21:38 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/lubricants/specifications-met~nsf-ansi/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:21:39 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/lubricants/thickener~polyurea/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:21:40 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/low-temperature-strip-doors> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:21:40 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/low-temperature-strip-doors>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:21:41 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/ceiling-grates/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:21:41 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/ceiling-grates/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:21:42 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/disposable-funnels/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:21:43 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/disposable-funnels/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:21:43 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/cellophane-bags/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:21:44 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/cellophane-bags/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:21:45 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/disposable-respirator-masks/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:21:45 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/disposable-respirator-masks/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:21:46 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/lubricants/manufacturer~relton/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:21:46 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/lubricants/manufacturer~relton/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:21:47 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/lubricants/specifications-met~nsf-ansi/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:21:47 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/lubricants/specifications-met~nsf-ansi/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:21:48 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/lubricants/thickener~polyurea/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:21:48 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/lubricants/thickener~polyurea/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:21:49 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/dlcr2-batteries/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:21:51 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/taps/thread-size~1-1-16-20/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:21:52 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/lubricants/trade-name~wd-40-specialist-penetrant/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:21:53 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cement-cutting-drill-bits/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:21:54 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cement-screws/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:21:55 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/dock-door-protectors/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:21:56 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/taps/thread-size~1-14/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:21:57 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/lufkin-tape-rulers already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:21:58 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/dlcr2-batteries/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:21:59 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/taps/thread-size~1-1-16-20/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:22:00 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/lubricants/trade-name~wd-40-specialist-penetrant/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:22:01 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cement-cutting-drill-bits/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:22:03 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cement-screws/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:22:04 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/dock-door-protectors/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:22:05 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/taps/thread-size~1-14/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:22:06 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/lufkin-tape-rulers already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:22:07 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/dlcr2-batteries/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:22:07 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/dlcr2-batteries/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:22:08 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/taps/thread-size~1-1-16-20/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:22:08 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/taps/thread-size~1-1-16-20/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:22:09 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/lubricants/trade-name~wd-40-specialist-penetrant/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:22:09 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/lubricants/trade-name~wd-40-specialist-penetrant/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:22:10 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/cement-cutting-drill-bits/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:22:10 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/cement-cutting-drill-bits/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:22:10 [scrapy.extensions.logstats] (PID: 122) INFO: Crawled 0 pages (at 0 pages/min), scraped 0 items (at 0 items/min)
2026-03-21 22:22:11 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/cement-screws/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:22:11 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/cement-screws/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:22:12 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/dock-door-protectors/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:22:12 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/dock-door-protectors/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:22:13 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/taps/thread-size~1-14/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:22:14 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/taps/thread-size~1-14/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:22:14 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/lufkin-tape-rulers> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:22:14 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/lufkin-tape-rulers>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:22:15 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/taps/thread-size~1-4-28/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:22:17 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/machine-mounts already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:22:18 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/taps/thread-size~10-40/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:22:19 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/machine-screws already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:22:20 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/machinery-spacer-bushings already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:22:21 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/made-to-order-spacers already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:22:22 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/ceramics/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:22:23 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/magnetic-chip-collectors already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:22:24 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/taps/thread-size~1-4-28/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:22:25 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/machine-mounts already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:22:26 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/taps/thread-size~10-40/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:22:27 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/machine-screws already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:22:28 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/machinery-spacer-bushings already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:22:30 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/made-to-order-spacers already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:22:31 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/ceramics/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:22:32 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/magnetic-chip-collectors already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:22:33 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/taps/thread-size~1-4-28/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:22:33 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/taps/thread-size~1-4-28/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:22:34 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/machine-mounts> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:22:34 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/machine-mounts>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:22:35 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/taps/thread-size~10-40/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:22:35 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/taps/thread-size~10-40/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:22:36 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/machine-screws> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:22:36 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/machine-screws>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:22:36 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/machinery-spacer-bushings> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:22:37 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/machinery-spacer-bushings>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:22:37 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/made-to-order-spacers> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:22:37 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/made-to-order-spacers>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:22:38 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/ceramics/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:22:39 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/ceramics/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:22:40 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/magnetic-chip-collectors> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:22:40 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/magnetic-chip-collectors>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:22:41 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/magnetic-stickers already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:22:42 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cga-adapters/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:22:43 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/dot-color-coding-stickers/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:22:43 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/taps/thread-size~9-32-32/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:22:44 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/magnets/finish~anodized/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:22:45 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/double-bubble-adhesives/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:22:46 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/double-bubble-urethane-adhesives/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:22:48 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/magnets/grade~n35/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:22:48 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/magnetic-stickers already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:22:49 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/cga-adapters/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:22:50 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/dot-color-coding-stickers/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:22:51 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/taps/thread-size~9-32-32/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:22:52 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/magnets/finish~anodized/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:22:53 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/double-bubble-adhesives/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:22:55 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/double-bubble-urethane-adhesives/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:22:56 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/magnets/grade~n35/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:22:57 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/magnetic-stickers> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:22:57 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/magnetic-stickers>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:22:58 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/cga-adapters/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:22:59 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/cga-adapters/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:23:00 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/dot-color-coding-stickers/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:23:00 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/dot-color-coding-stickers/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:23:01 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/taps/thread-size~9-32-32/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:23:01 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/taps/thread-size~9-32-32/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:23:02 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/magnets/finish~anodized/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:23:02 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/magnets/finish~anodized/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:23:03 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/double-bubble-adhesives/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:23:03 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/double-bubble-adhesives/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:23:04 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/double-bubble-urethane-adhesives/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:23:04 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/double-bubble-urethane-adhesives/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:23:05 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/magnets/grade~n35/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:23:06 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/magnets/grade~n35/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:23:07 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/magnets/shape~arrow/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:23:08 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/double-saddle-clips/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:23:09 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/dovetail-milling-machine-vises/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:23:09 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/mandrels/for-use-with~drill-presses/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:23:10 [scrapy.extensions.logstats] (PID: 122) INFO: Crawled 0 pages (at 0 pages/min), scraped 0 items (at 0 items/min)
2026-03-21 22:23:10 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/dowel-pins/diameter~0-055/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:23:12 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/marine-alloy-aluminum already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:23:13 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/marine-bearings already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:23:14 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/dowel-pins/diameter~0-095/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:23:15 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/magnets/shape~arrow/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:23:16 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/double-saddle-clips/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:23:17 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/dovetail-milling-machine-vises/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:23:18 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/mandrels/for-use-with~drill-presses/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:23:19 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/dowel-pins/diameter~0-055/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:23:20 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/marine-alloy-aluminum already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:23:21 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/marine-bearings already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:23:22 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/dowel-pins/diameter~0-095/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:23:23 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/magnets/shape~arrow/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:23:23 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/magnets/shape~arrow/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:23:24 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/double-saddle-clips/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:23:24 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/double-saddle-clips/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:23:25 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/dovetail-milling-machine-vises/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:23:25 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/dovetail-milling-machine-vises/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:23:26 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/mandrels/for-use-with~drill-presses/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:23:26 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/mandrels/for-use-with~drill-presses/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:23:27 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/dowel-pins/diameter~0-055/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:23:27 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/dowel-pins/diameter~0-055/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:23:28 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/marine-alloy-aluminum> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:23:29 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/marine-alloy-aluminum>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:23:29 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/marine-bearings> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:23:29 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/marine-bearings>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:23:31 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/dowel-pins/diameter~0-095/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:23:31 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/dowel-pins/diameter~0-095/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:23:31 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/dowel-pins/diameter~0-098/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:23:32 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/dowel-pins/diameter~0-102/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:23:34 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/dowel-pins/diameter~0-106/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:23:35 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/markers/mount-type~hook-on/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:23:36 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/dowel-pins/diameter~0-122/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:23:38 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/masks/for-use-with~nuisance-dust/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:23:39 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/masks/for-use-with~solid-particles/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:23:40 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/dowel-pins/diameter~0-182/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:23:41 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/dowel-pins/diameter~0-098/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:23:42 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/dowel-pins/diameter~0-102/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:23:43 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/dowel-pins/diameter~0-106/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:23:44 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/markers/mount-type~hook-on/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:23:46 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/dowel-pins/diameter~0-122/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:23:47 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/masks/for-use-with~nuisance-dust/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:23:48 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/masks/for-use-with~solid-particles/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:23:49 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/dowel-pins/diameter~0-182/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:23:50 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/dowel-pins/diameter~0-098/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:23:50 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/dowel-pins/diameter~0-098/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:23:51 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/dowel-pins/diameter~0-102/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:23:51 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/dowel-pins/diameter~0-102/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:23:52 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/dowel-pins/diameter~0-106/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:23:53 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/dowel-pins/diameter~0-106/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:23:54 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/markers/mount-type~hook-on/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:23:54 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/markers/mount-type~hook-on/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:23:55 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/dowel-pins/diameter~0-122/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:23:55 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/dowel-pins/diameter~0-122/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:23:56 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/masks/for-use-with~nuisance-dust/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:23:56 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/masks/for-use-with~nuisance-dust/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:23:57 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/masks/for-use-with~solid-particles/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:23:57 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/masks/for-use-with~solid-particles/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:23:58 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/dowel-pins/diameter~0-182/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:23:58 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/dowel-pins/diameter~0-182/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:23:59 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/match-your-key-padlocks already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:24:00 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/material-stands already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:24:01 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/mats/for-use-with~carpets/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:24:03 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/dowel-pins/diameter~0-2503/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:24:04 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/dowel-pins/diameter~0-425/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:24:05 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tees/specifications-met~ms20825-16j/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:24:06 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tees/thread-type~universal/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:24:07 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/dowel-pins/fastener-head-type~through-hole/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:24:08 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/match-your-key-padlocks already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:24:09 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/material-stands already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:24:09 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/mats/for-use-with~carpets/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:24:10 [scrapy.extensions.logstats] (PID: 122) INFO: Crawled 0 pages (at 0 pages/min), scraped 0 items (at 0 items/min)
2026-03-21 22:24:11 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/dowel-pins/diameter~0-2503/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:24:11 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/dowel-pins/diameter~0-425/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:24:13 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tees/specifications-met~ms20825-16j/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:24:14 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tees/thread-type~universal/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:24:15 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/dowel-pins/fastener-head-type~through-hole/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:24:16 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/match-your-key-padlocks> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:24:16 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/match-your-key-padlocks>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:24:17 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/material-stands> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:24:17 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/material-stands>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:24:18 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/mats/for-use-with~carpets/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:24:18 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/mats/for-use-with~carpets/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:24:20 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/dowel-pins/diameter~0-2503/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:24:20 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/dowel-pins/diameter~0-2503/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:24:21 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/dowel-pins/diameter~0-425/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:24:21 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/dowel-pins/diameter~0-425/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:24:22 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/tees/specifications-met~ms20825-16j/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:24:22 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/tees/specifications-met~ms20825-16j/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:24:23 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/tees/thread-type~universal/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:24:23 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/tees/thread-type~universal/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:24:24 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/dowel-pins/fastener-head-type~through-hole/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:24:24 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/dowel-pins/fastener-head-type~through-hole/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:24:26 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tefzel-ties/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:24:27 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/dowel-pins/flush-mount-core-pins/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:24:28 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/telephone-jacks/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:24:29 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/telephone-wire-connectors/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:24:30 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/dowel-pins/thread-size~5-8-11/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:24:31 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/telephones/mounting-location~wall/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:24:33 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/telescopic-ladders/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:24:34 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/drain-channels/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:24:35 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tefzel-ties/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:24:36 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/dowel-pins/flush-mount-core-pins/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:24:37 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/telephone-jacks/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:24:38 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/telephone-wire-connectors/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:24:39 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/dowel-pins/thread-size~5-8-11/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:24:40 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/telephones/mounting-location~wall/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:24:41 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/telescopic-ladders/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:24:43 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/drain-channels/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:24:44 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/tefzel-ties/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:24:44 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/tefzel-ties/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:24:45 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/dowel-pins/flush-mount-core-pins/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:24:45 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/dowel-pins/flush-mount-core-pins/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:24:46 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/telephone-jacks/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:24:46 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/telephone-jacks/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:24:47 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/telephone-wire-connectors/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:24:47 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/telephone-wire-connectors/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:24:48 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/dowel-pins/thread-size~5-8-11/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:24:48 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/dowel-pins/thread-size~5-8-11/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:24:49 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/telephones/mounting-location~wall/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:24:49 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/telephones/mounting-location~wall/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:24:50 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/telescopic-ladders/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:24:50 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/telescopic-ladders/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:24:51 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/drain-channels/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:24:51 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/drain-channels/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:24:52 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/temperature-indicating-dots/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:24:53 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/temperature-panel-meters/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:24:54 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/draw-locks/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:24:55 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/temperature-sticks/temperature-points~1200-f/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:24:56 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/temperature-sticks/temperature-points~2000-f/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:24:58 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/temperature-sticks/temperature-points~250-f/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:24:58 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/drawer-trays/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:25:00 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/temperature-sticks/temperature-points~388-f/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:25:00 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/temperature-indicating-dots/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:25:02 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/temperature-panel-meters/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:25:03 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/draw-locks/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:25:04 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/temperature-sticks/temperature-points~1200-f/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:25:05 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/temperature-sticks/temperature-points~2000-f/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:25:06 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/temperature-sticks/temperature-points~250-f/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:25:07 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/drawer-trays/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:25:08 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/temperature-sticks/temperature-points~388-f/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:25:09 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/temperature-indicating-dots/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:25:10 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/temperature-indicating-dots/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:25:10 [scrapy.extensions.logstats] (PID: 122) INFO: Crawled 0 pages (at 0 pages/min), scraped 0 items (at 0 items/min)
2026-03-21 22:25:11 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/temperature-panel-meters/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:25:11 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/temperature-panel-meters/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:25:12 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/draw-locks/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:25:12 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/draw-locks/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:25:13 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/temperature-sticks/temperature-points~1200-f/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:25:13 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/temperature-sticks/temperature-points~1200-f/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:25:14 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/temperature-sticks/temperature-points~2000-f/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:25:14 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/temperature-sticks/temperature-points~2000-f/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:25:15 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/temperature-sticks/temperature-points~250-f/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:25:15 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/temperature-sticks/temperature-points~250-f/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:25:16 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/drawer-trays/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:25:16 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/drawer-trays/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:25:17 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/temperature-sticks/temperature-points~388-f/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:25:17 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/temperature-sticks/temperature-points~388-f/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:25:18 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/drawers/drawer-release~lift-out/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:25:19 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/drawers/drawer-release~none/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:25:20 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/drawers/material~aluminum-2/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:25:21 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/temperature-switches/environment~outdoor/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:25:22 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/temperature-switches/switch-type~surface-contact/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:25:23 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/drill-bit-storage-stands/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:25:24 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tension-meter-kits/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:25:26 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/drill-bits/drill-bit-size~11-7-mm/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:25:27 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/drawers/drawer-release~lift-out/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:25:28 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/drawers/drawer-release~none/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:25:29 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/drawers/material~aluminum-2/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:25:30 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/temperature-switches/environment~outdoor/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:25:31 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/temperature-switches/switch-type~surface-contact/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:25:32 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/drill-bit-storage-stands/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:25:34 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tension-meter-kits/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:25:35 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/drill-bits/drill-bit-size~11-7-mm/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:25:36 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/drawers/drawer-release~lift-out/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:25:36 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/drawers/drawer-release~lift-out/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:25:37 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/drawers/drawer-release~none/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:25:37 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/drawers/drawer-release~none/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:25:38 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/drawers/material~aluminum-2/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:25:38 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/drawers/material~aluminum-2/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:25:39 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/temperature-switches/environment~outdoor/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:25:39 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/temperature-switches/environment~outdoor/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:25:40 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/temperature-switches/switch-type~surface-contact/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:25:41 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/temperature-switches/switch-type~surface-contact/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:25:42 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/drill-bit-storage-stands/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:25:42 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/drill-bit-storage-stands/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:25:43 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/tension-meter-kits/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:25:43 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/tension-meter-kits/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:25:43 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/drill-bits/drill-bit-size~11-7-mm/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:25:43 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/drill-bits/drill-bit-size~11-7-mm/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:25:44 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/test-leads/for-fluke-model-number~116/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:25:46 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/drill-bits/drill-bit-size~3-55-mm/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:25:47 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/test-strips/for-testing~phosphorus/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:25:48 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/test-weights/weight~12-oz/weight~3-4-lb-1/weight~0-75-lb/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:25:50 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tether-ready-drivers/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:25:51 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/drill-bits/drill-bit-size~57-64/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:25:51 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/thermal-dynamics-torches/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:25:53 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/thermal-interface-material/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:25:54 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/test-leads/for-fluke-model-number~116/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:25:55 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/drill-bits/drill-bit-size~3-55-mm/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:25:56 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/test-strips/for-testing~phosphorus/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:25:57 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/test-weights/weight~12-oz/weight~3-4-lb-1/weight~0-75-lb/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:25:58 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tether-ready-drivers/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:25:59 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/drill-bits/drill-bit-size~57-64/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:26:00 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/thermal-dynamics-torches/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:26:01 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/thermal-interface-material/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:26:02 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/test-leads/for-fluke-model-number~116/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:26:02 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/test-leads/for-fluke-model-number~116/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:26:03 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/drill-bits/drill-bit-size~3-55-mm/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:26:03 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/drill-bits/drill-bit-size~3-55-mm/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:26:04 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/test-strips/for-testing~phosphorus/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:26:05 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/test-strips/for-testing~phosphorus/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:26:06 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/test-weights/weight~12-oz/weight~3-4-lb-1/weight~0-75-lb/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:26:06 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/test-weights/weight~12-oz/weight~3-4-lb-1/weight~0-75-lb/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:26:07 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/tether-ready-drivers/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:26:07 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/tether-ready-drivers/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:26:08 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/drill-bits/drill-bit-size~57-64/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:26:08 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/drill-bits/drill-bit-size~57-64/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:26:09 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/thermal-dynamics-torches/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:26:09 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/thermal-dynamics-torches/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:26:10 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/thermal-interface-material/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:26:10 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/thermal-interface-material/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:26:10 [scrapy.extensions.logstats] (PID: 122) INFO: Crawled 0 pages (at 0 pages/min), scraped 0 items (at 0 items/min)
2026-03-21 22:26:11 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/thermally-conductive-ceramics/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:26:12 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/thermocouple-connector-adapters/thermocouple-type~u/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:26:13 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/drill-bits/hole-saw-kits-9/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:26:14 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/thermocouple-terminal-blocks/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:26:15 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/thermocutters/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:26:16 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/drill-bits/length~95mm/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:26:18 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/drill-bits/maintenance-length-drill-bits/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:26:19 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/thermostatic-mixing-valves/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:26:20 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/thermally-conductive-ceramics/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:26:20 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/thermocouple-connector-adapters/thermocouple-type~u/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:26:21 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/drill-bits/hole-saw-kits-9/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:26:22 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/thermocouple-terminal-blocks/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:26:23 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/thermocutters/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:26:24 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/drill-bits/length~95mm/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:26:25 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/drill-bits/maintenance-length-drill-bits/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:26:26 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/thermostatic-mixing-valves/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:26:27 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/thermally-conductive-ceramics/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:26:27 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/thermally-conductive-ceramics/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:26:28 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/thermocouple-connector-adapters/thermocouple-type~u/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:26:29 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/thermocouple-connector-adapters/thermocouple-type~u/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:26:29 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/drill-bits/hole-saw-kits-9/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:26:29 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/drill-bits/hole-saw-kits-9/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:26:30 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/thermocouple-terminal-blocks/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:26:31 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/thermocouple-terminal-blocks/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:26:31 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/thermocutters/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:26:32 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/thermocutters/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:26:33 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/drill-bits/length~95mm/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:26:33 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/drill-bits/length~95mm/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:26:34 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/drill-bits/maintenance-length-drill-bits/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:26:34 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/drill-bits/maintenance-length-drill-bits/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:26:35 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/thermostatic-mixing-valves/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:26:35 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/thermostatic-mixing-valves/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:26:36 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/drill-bits/shank-size~0-185/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:26:38 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/drill-bits/shank-size~0-26mm/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:26:39 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/drill-bits/shank-size~0-27-mm/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:26:40 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/drill-bits/shank-size~0-5-mm/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:26:41 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/drill-bits/shank-size~11-2-mm/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:26:42 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/thread-sealant-tape/for-use-with~benzene/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:26:43 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/drill-bits/shank-size~12-5-mm/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:26:44 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/drill-bits/shank-size~2-15-mm/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:26:45 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/drill-bits/shank-size~0-185/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:26:46 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/drill-bits/shank-size~0-26mm/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:26:48 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/drill-bits/shank-size~0-27-mm/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:26:48 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/drill-bits/shank-size~0-5-mm/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:26:50 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/drill-bits/shank-size~11-2-mm/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:26:51 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/thread-sealant-tape/for-use-with~benzene/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:26:52 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/drill-bits/shank-size~12-5-mm/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:26:53 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/drill-bits/shank-size~2-15-mm/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:26:54 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/drill-bits/shank-size~0-185/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:26:54 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/drill-bits/shank-size~0-185/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:26:55 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/drill-bits/shank-size~0-26mm/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:26:55 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/drill-bits/shank-size~0-26mm/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:26:56 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/drill-bits/shank-size~0-27-mm/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:26:56 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/drill-bits/shank-size~0-27-mm/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:26:58 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/drill-bits/shank-size~0-5-mm/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:26:58 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/drill-bits/shank-size~0-5-mm/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:26:58 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/drill-bits/shank-size~11-2-mm/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:26:58 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/drill-bits/shank-size~11-2-mm/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:27:00 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/thread-sealant-tape/for-use-with~benzene/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:27:00 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/thread-sealant-tape/for-use-with~benzene/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:27:01 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/drill-bits/shank-size~12-5-mm/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:27:01 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/drill-bits/shank-size~12-5-mm/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:27:02 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/drill-bits/shank-size~2-15-mm/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:27:02 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/drill-bits/shank-size~2-15-mm/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:27:03 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/thread-sealants/for-use-with~alkali/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:27:04 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/drill-bits/shank-size~3-1-2/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:27:05 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/drill-bits/shank-size~4-15-mm/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:27:06 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/drill-bits/shank-size~4-5mm/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:27:07 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/drill-bits/shank-size~6-1-mm/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:27:09 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/drill-bits/shank-size~6-mm/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:27:09 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/threaded-rods/thread-size~1-1-2-5/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:27:10 [scrapy.extensions.logstats] (PID: 122) INFO: Crawled 0 pages (at 0 pages/min), scraped 0 items (at 0 items/min)
2026-03-21 22:27:11 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/threaded-rods/thread-size~2-1-2-3/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:27:12 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/thread-sealants/for-use-with~alkali/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:27:13 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/drill-bits/shank-size~3-1-2/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:27:14 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/drill-bits/shank-size~4-15-mm/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:27:15 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/drill-bits/shank-size~4-5mm/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:27:16 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/drill-bits/shank-size~6-1-mm/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:27:18 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/drill-bits/shank-size~6-mm/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:27:19 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/threaded-rods/thread-size~1-1-2-5/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:27:19 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/threaded-rods/thread-size~2-1-2-3/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:27:20 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/thread-sealants/for-use-with~alkali/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:27:20 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/thread-sealants/for-use-with~alkali/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:27:22 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/drill-bits/shank-size~3-1-2/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:27:22 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/drill-bits/shank-size~3-1-2/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:27:23 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/drill-bits/shank-size~4-15-mm/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:27:23 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/drill-bits/shank-size~4-15-mm/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:27:24 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/drill-bits/shank-size~4-5mm/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:27:24 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/drill-bits/shank-size~4-5mm/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:27:25 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/drill-bits/shank-size~6-1-mm/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:27:25 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/drill-bits/shank-size~6-1-mm/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:27:27 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/drill-bits/shank-size~6-mm/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:27:27 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/drill-bits/shank-size~6-mm/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:27:28 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/threaded-rods/thread-size~1-1-2-5/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:27:28 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/threaded-rods/thread-size~1-1-2-5/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:27:29 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/threaded-rods/thread-size~2-1-2-3/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:27:29 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/threaded-rods/thread-size~2-1-2-3/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:27:30 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/threaded-shank-screwdriver-bits/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:27:31 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/threaded-studs/specifications-met~astm-b473/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:27:32 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/threadlocker-sticks/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:27:34 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/through-wall-thermometers/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:27:35 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/thv-tubing/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:27:36 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/ticket-punches/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:27:37 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tied-wire-hangers/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:27:38 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/ties/length~11/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:27:39 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/threaded-shank-screwdriver-bits/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:27:41 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/threaded-studs/specifications-met~astm-b473/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:27:42 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/threadlocker-sticks/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:27:43 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/through-wall-thermometers/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:27:44 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/thv-tubing/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:27:45 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/ticket-punches/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:27:46 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tied-wire-hangers/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:27:46 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/ties/length~11/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:27:47 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/threaded-shank-screwdriver-bits/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:27:47 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/threaded-shank-screwdriver-bits/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:27:48 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/threaded-studs/specifications-met~astm-b473/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:27:49 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/threaded-studs/specifications-met~astm-b473/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:27:50 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/threadlocker-sticks/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:27:50 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/threadlocker-sticks/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:27:50 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/through-wall-thermometers/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:27:51 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/through-wall-thermometers/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:27:52 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/thv-tubing/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:27:52 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/thv-tubing/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:27:53 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/ticket-punches/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:27:53 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/ticket-punches/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:27:54 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/tied-wire-hangers/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:27:54 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/tied-wire-hangers/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:27:55 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/ties/length~11/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:27:55 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/ties/length~11/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:27:56 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/ties/length~28-1-2/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:27:57 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/ties/length~8-ft/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:27:58 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tig-torch-accessory-kits/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:27:59 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tig-torch-collet-bodies/torch-series-number~17/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:28:00 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tig-torch-nozzles/tig-industry-number~10n44/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:28:02 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tig-torch-nozzles/tig-industry-number~10n49sc/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:28:03 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tig-torch-nozzles/tig-industry-number~10n50/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:28:04 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tig-torch-nozzles/tig-industry-number~54n15/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:28:05 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/ties/length~28-1-2/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:28:05 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/ties/length~8-ft/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:28:07 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tig-torch-accessory-kits/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:28:08 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tig-torch-collet-bodies/torch-series-number~17/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:28:09 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tig-torch-nozzles/tig-industry-number~10n44/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:28:09 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tig-torch-nozzles/tig-industry-number~10n49sc/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:28:10 [scrapy.extensions.logstats] (PID: 122) INFO: Crawled 0 pages (at 0 pages/min), scraped 0 items (at 0 items/min)
2026-03-21 22:28:10 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tig-torch-nozzles/tig-industry-number~10n50/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:28:12 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tig-torch-nozzles/tig-industry-number~54n15/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:28:13 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/ties/length~28-1-2/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:28:13 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/ties/length~28-1-2/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:28:13 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/ties/length~8-ft/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:28:13 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/ties/length~8-ft/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:28:15 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/tig-torch-accessory-kits/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:28:15 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/tig-torch-accessory-kits/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:28:15 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/tig-torch-collet-bodies/torch-series-number~17/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:28:15 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/tig-torch-collet-bodies/torch-series-number~17/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:28:17 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/tig-torch-nozzles/tig-industry-number~10n44/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:28:17 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/tig-torch-nozzles/tig-industry-number~10n44/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:28:18 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/tig-torch-nozzles/tig-industry-number~10n49sc/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:28:18 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/tig-torch-nozzles/tig-industry-number~10n49sc/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:28:19 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/tig-torch-nozzles/tig-industry-number~10n50/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:28:19 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/tig-torch-nozzles/tig-industry-number~10n50/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:28:20 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/tig-torch-nozzles/tig-industry-number~54n15/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:28:20 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/tig-torch-nozzles/tig-industry-number~54n15/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:28:21 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tig-torch-power-cable-adapters/for-torch-series-number~25/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:28:21 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tig-torch-power-cable-adapters/torch-series-number~25/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:28:23 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tilt-and-slide-clamping-knobs/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:28:24 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tilt-to-roll-ladders/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:28:25 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/timer-switches/environment~outdoor/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:28:26 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/timing-belts/belt-trade-number~10-at5-420/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:28:27 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/timing-belts/belt-trade-number~16-at10-890/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:28:28 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/timing-belts/belt-trade-number~16-at5-390/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:28:30 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tig-torch-power-cable-adapters/for-torch-series-number~25/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:28:31 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tig-torch-power-cable-adapters/torch-series-number~25/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:28:32 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tilt-and-slide-clamping-knobs/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:28:33 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tilt-to-roll-ladders/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:28:34 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/timer-switches/environment~outdoor/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:28:35 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/timing-belts/belt-trade-number~10-at5-420/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:28:37 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/timing-belts/belt-trade-number~16-at10-890/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:28:38 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/timing-belts/belt-trade-number~16-at5-390/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:28:39 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/tig-torch-power-cable-adapters/for-torch-series-number~25/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:28:39 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/tig-torch-power-cable-adapters/for-torch-series-number~25/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:28:40 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/tig-torch-power-cable-adapters/torch-series-number~25/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:28:40 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/tig-torch-power-cable-adapters/torch-series-number~25/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:28:41 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/tilt-and-slide-clamping-knobs/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:28:42 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/tilt-and-slide-clamping-knobs/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:28:43 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/tilt-to-roll-ladders/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:28:43 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/tilt-to-roll-ladders/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:28:43 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/timer-switches/environment~outdoor/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:28:43 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/timer-switches/environment~outdoor/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:28:44 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/timing-belts/belt-trade-number~10-at5-420/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:28:45 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/timing-belts/belt-trade-number~10-at5-420/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:28:45 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/timing-belts/belt-trade-number~16-at10-890/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:28:46 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/timing-belts/belt-trade-number~16-at10-890/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:28:47 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/timing-belts/belt-trade-number~16-at5-390/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:28:47 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/timing-belts/belt-trade-number~16-at5-390/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:28:47 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/timing-belts/belt-trade-number~16-at5-525/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:28:49 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/timing-belts/belt-trade-number~25-at10-890/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:28:50 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tinners'-snips/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:28:51 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tire-repair-kits/for-tire-style~tubeless/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:28:52 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tires/tire-size~16-6-50-8/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:28:53 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/toggle-bolts/fastener-head-type~rounded/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:28:55 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/toilet-signs/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:28:56 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tongue-and-groove-pliers/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:28:56 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/timing-belts/belt-trade-number~16-at5-525/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:28:58 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/timing-belts/belt-trade-number~25-at10-890/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:28:58 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tinners'-snips/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:29:00 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tire-repair-kits/for-tire-style~tubeless/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:29:01 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tires/tire-size~16-6-50-8/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:29:02 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/toggle-bolts/fastener-head-type~rounded/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:29:03 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/toilet-signs/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:29:04 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tongue-and-groove-pliers/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:29:06 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/timing-belts/belt-trade-number~16-at5-525/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:29:06 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/timing-belts/belt-trade-number~16-at5-525/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:29:07 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/timing-belts/belt-trade-number~25-at10-890/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:29:07 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/timing-belts/belt-trade-number~25-at10-890/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:29:08 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/tinners'-snips/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:29:08 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/tinners'-snips/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:29:09 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/tire-repair-kits/for-tire-style~tubeless/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:29:09 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/tire-repair-kits/for-tire-style~tubeless/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:29:10 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/tires/tire-size~16-6-50-8/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:29:10 [scrapy.extensions.logstats] (PID: 122) INFO: Crawled 0 pages (at 0 pages/min), scraped 0 items (at 0 items/min)
2026-03-21 22:29:10 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/tires/tire-size~16-6-50-8/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:29:11 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/toggle-bolts/fastener-head-type~rounded/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:29:11 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/toggle-bolts/fastener-head-type~rounded/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:29:12 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/toilet-signs/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:29:12 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/toilet-signs/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:29:13 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/tongue-and-groove-pliers/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:29:14 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/tongue-and-groove-pliers/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:29:15 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tool-box-covers/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:29:15 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tool-boxes/material~aluminum/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:29:17 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tooling-ball-covers/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:29:18 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tooling-component-gripper-pads/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:29:18 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tooling-component-t-slot-bolts/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:29:19 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/torch-carts/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:29:20 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/torque-gauges/power-source~battery/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:29:22 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/totes/capacity-weight-~330-gal-/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:29:23 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tool-box-covers/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:29:24 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tool-boxes/material~aluminum/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:29:25 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tooling-ball-covers/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:29:26 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tooling-component-gripper-pads/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:29:27 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tooling-component-t-slot-bolts/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:29:28 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/torch-carts/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:29:30 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/torque-gauges/power-source~battery/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:29:31 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/totes/capacity-weight-~330-gal-/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:29:32 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/tool-box-covers/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:29:32 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/tool-box-covers/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:29:33 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/tool-boxes/material~aluminum/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:29:33 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/tool-boxes/material~aluminum/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:29:35 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/tooling-ball-covers/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:29:35 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/tooling-ball-covers/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:29:36 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/tooling-component-gripper-pads/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:29:36 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/tooling-component-gripper-pads/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:29:37 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/tooling-component-t-slot-bolts/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:29:37 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/tooling-component-t-slot-bolts/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:29:38 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/torch-carts/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:29:38 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/torch-carts/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:29:39 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/torque-gauges/power-source~battery/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:29:39 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/torque-gauges/power-source~battery/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:29:40 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/totes/capacity-weight-~330-gal-/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:29:40 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/totes/capacity-weight-~330-gal-/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:29:41 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/touch-probes/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:29:42 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/track-hangers/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:29:43 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/traction-coatings/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:29:44 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/traction-springs/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:29:45 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/transistors/electrical-component-trade-number~mpsa42/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:29:47 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/traps/for-use-with~sodium-nitrate/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:29:48 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tri-fold-rivets/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:29:49 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/trolley-handles/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:29:50 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/touch-probes/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:29:51 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/track-hangers/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:29:52 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/traction-coatings/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:29:53 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/traction-springs/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:29:54 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/transistors/electrical-component-trade-number~mpsa42/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:29:55 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/traps/for-use-with~sodium-nitrate/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:29:56 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tri-fold-rivets/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:29:57 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/trolley-handles/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:29:58 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/touch-probes/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:29:58 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/touch-probes/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:29:59 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/track-hangers/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:29:59 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/track-hangers/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:30:00 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/traction-coatings/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:30:00 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/traction-coatings/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:30:02 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/traction-springs/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:30:02 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/traction-springs/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:30:03 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/transistors/electrical-component-trade-number~mpsa42/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:30:03 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/transistors/electrical-component-trade-number~mpsa42/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:30:04 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/traps/for-use-with~sodium-nitrate/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:30:04 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/traps/for-use-with~sodium-nitrate/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:30:05 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/tri-fold-rivets/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:30:05 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/tri-fold-rivets/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:30:06 [scrapy.downloadermiddlewares.retry] (PID: 122) ERROR: Gave up retrying <GET https://www.mcmaster.com/products/trolley-handles/> (failed 3 times): Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:30:06 [scrapy.core.scraper] (PID: 122) ERROR: Error downloading <GET https://www.mcmaster.com/products/trolley-handles/>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]
2026-03-21 22:30:07 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/truck-ramps/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:30:08 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tube-fittings/for-use-with~xylene/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:30:09 [HeadersSpooferDownloaderMiddleware] (PID: 122) WARNING: Request https://www.mcmaster.com/products/tube-fittings/shape~side-outlet-elbow/ already has headers. They will be preserved, but that may lead to fingerprint inconsistency. If the headers are necessary, consider disabling SPOOF_FULL_HEADERS.
2026-03-21 22:30:10 [scrapy.extensions.closespider] (PID: 122) INFO: Closing spider since no items were produced in the last 1800 seconds.
2026-03-21 22:30:10 [scrapy.core.engine] (PID: 122) INFO: Closing spider (closespider_timeout_no_item)
2026-03-21 22:30:10 [scrapy.extensions.logstats] (PID: 122) INFO: Crawled 0 pages (at 0 pages/min), scraped 0 items (at 0 items/min)
2026-03-21 22:30:18 [mcmaster_carr] (PID: 122) INFO: [Spidermon] ------------------------------ MONITORS ------------------------------
2026-03-21 22:30:18 [mcmaster_carr] (PID: 122) INFO: [Spidermon] Extracted Items Monitor/test_stat_monitor... FAIL
2026-03-21 22:30:18 [mcmaster_carr] (PID: 122) INFO: [Spidermon] Item Validation Monitor/test_stat_monitor... SKIPPED (Unable to find 'spidermon/validation/fields/errors' in job stats.)
2026-03-21 22:30:18 [mcmaster_carr] (PID: 122) INFO: [Spidermon] Error Count Monitor/test_stat_monitor... FAIL
2026-03-21 22:30:18 [mcmaster_carr] (PID: 122) INFO: [Spidermon] Warning Count Monitor/test_stat_monitor... FAIL
2026-03-21 22:30:18 [mcmaster_carr] (PID: 122) INFO: [Spidermon] Finish Reason Monitor/Should have the expected finished reason(s)... FAIL
2026-03-21 22:30:18 [mcmaster_carr] (PID: 122) INFO: [Spidermon] Unwanted HTTP codes monitor/Should not hit the limit of unwanted http status... OK
2026-03-21 22:30:18 [mcmaster_carr] (PID: 122) INFO: [Spidermon] Field Coverage Monitor/test_check_if_field_coverage_rules_are_met... FAIL
2026-03-21 22:30:18 [mcmaster_carr] (PID: 122) INFO: [Spidermon] Retry Count monitor/Should not hit the limit of requests that reached the maximum retry amount... FAIL
2026-03-21 22:30:18 [mcmaster_carr] (PID: 122) INFO: [Spidermon] Downloader Exceptions monitor/test_stat_monitor... FAIL
2026-03-21 22:30:18 [mcmaster_carr] (PID: 122) INFO: [Spidermon] Successful Requests monitor/Should have at least the minimum number of successful requests... OK
2026-03-21 22:30:18 [mcmaster_carr] (PID: 122) INFO: [Spidermon] Total Requests monitor/Should not hit the total limit of requests... OK
2026-03-21 22:30:18 [mcmaster_carr] (PID: 122) INFO: [Spidermon] ----------------------------------------------------------------------
2026-03-21 22:30:18 [mcmaster_carr] (PID: 122) ERROR: [Spidermon] 
======================================================================
FAIL: Extracted Items Monitor/test_stat_monitor
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/spidermon/contrib/scrapy/monitors/base.py", line 177, in test_stat_monitor
    self.fail(message)
AssertionError: Unable to find 'item_scraped_count' in job stats.

2026-03-21 22:30:18 [mcmaster_carr] (PID: 122) ERROR: [Spidermon] 
======================================================================
FAIL: Error Count Monitor/test_stat_monitor
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/spidermon/contrib/scrapy/monitors/base.py", line 184, in test_stat_monitor
    assertion_method(
AssertionError: Expecting 'log_count/ERROR' to be '<=' to '0.0'. Current value: '1088'

2026-03-21 22:30:18 [mcmaster_carr] (PID: 122) ERROR: [Spidermon] 
======================================================================
FAIL: Warning Count Monitor/test_stat_monitor
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/spidermon/contrib/scrapy/monitors/base.py", line 184, in test_stat_monitor
    assertion_method(
AssertionError: Expecting 'log_count/WARNING' to be '<=' to '1000.0'. Current value: '1093'

2026-03-21 22:30:18 [mcmaster_carr] (PID: 122) ERROR: [Spidermon] 
======================================================================
FAIL: Finish Reason Monitor/Should have the expected finished reason(s)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/spidermon/contrib/scrapy/monitors/monitors.py", line 110, in test_should_finish_with_expected_reason
    self.assertTrue(finished_reason in expected_reasons, msg=msg)
AssertionError: Finished with "closespider_timeout_no_item" the expected reasons are ['finished']

2026-03-21 22:30:18 [mcmaster_carr] (PID: 122) ERROR: [Spidermon] 
======================================================================
FAIL: Field Coverage Monitor/test_check_if_field_coverage_rules_are_met
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/spidermon/contrib/scrapy/monitors/monitors.py", line 477, in test_check_if_field_coverage_rules_are_met
    self.assertTrue(len(failures) == 0, msg=msg)
AssertionError: 
The following items did not meet field coverage rules:
dict/inStock (expected 1.0, got 0)
dict/name (expected 1.0, got 0)
dict/prices (expected 1.0, got 0)
dict/productStatus (expected 1.0, got 0)
dict/supplier (expected 1.0, got 0)
dict/supplierSku (expected 1.0, got 0)
dict/url (expected 1.0, got 0)

2026-03-21 22:30:18 [mcmaster_carr] (PID: 122) ERROR: [Spidermon] 
======================================================================
FAIL: Retry Count monitor/Should not hit the limit of requests that reached the maximum retry amount
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/spidermon/contrib/scrapy/monitors/monitors.py", line 282, in test_maximum_retries
    self.assertLessEqual(max_reached, threshold, msg=msg)
AssertionError: Too many requests (544) reached the maximum retry amount

2026-03-21 22:30:18 [mcmaster_carr] (PID: 122) ERROR: [Spidermon] 
======================================================================
FAIL: Downloader Exceptions monitor/test_stat_monitor
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/spidermon/contrib/scrapy/monitors/base.py", line 184, in test_stat_monitor
    assertion_method(
AssertionError: Expecting 'downloader/exception_count' to be '<=' to '100.0'. Current value: '1643'

2026-03-21 22:30:18 [mcmaster_carr] (PID: 122) INFO: [Spidermon] 11 monitors in 0.089s
2026-03-21 22:30:18 [mcmaster_carr] (PID: 122) INFO: [Spidermon] FAILED (failures=7, skipped=1)
2026-03-21 22:30:18 [mcmaster_carr] (PID: 122) INFO: [Spidermon] -------------------------- FINISHED ACTIONS --------------------------
2026-03-21 22:30:18 [mcmaster_carr] (PID: 122) INFO: [Spidermon] ----------------------------------------------------------------------
2026-03-21 22:30:18 [mcmaster_carr] (PID: 122) INFO: [Spidermon] 0 actions in 0.000s
2026-03-21 22:30:18 [mcmaster_carr] (PID: 122) INFO: [Spidermon] OK
2026-03-21 22:30:18 [mcmaster_carr] (PID: 122) INFO: [Spidermon] --------------------------- PASSED ACTIONS ---------------------------
2026-03-21 22:30:18 [mcmaster_carr] (PID: 122) INFO: [Spidermon] ----------------------------------------------------------------------
2026-03-21 22:30:18 [mcmaster_carr] (PID: 122) INFO: [Spidermon] 0 actions in 0.000s
2026-03-21 22:30:18 [mcmaster_carr] (PID: 122) INFO: [Spidermon] OK
2026-03-21 22:30:18 [mcmaster_carr] (PID: 122) INFO: [Spidermon] --------------------------- FAILED ACTIONS ---------------------------
2026-03-21 22:30:19 [mcmaster_carr] (PID: 122) INFO: [Spidermon] CustomTemplateSendSlackMessageSpiderFinished... ERROR
2026-03-21 22:30:19 [mcmaster_carr] (PID: 122) INFO: [Spidermon] ----------------------------------------------------------------------
2026-03-21 22:30:19 [mcmaster_carr] (PID: 122) ERROR: [Spidermon] 
======================================================================
ERROR: CustomTemplateSendSlackMessageSpiderFinished
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 2013, in _inlineCallbacks
    result = context.run(
             ^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/twisted/python/failure.py", line 467, in throwExceptionIntoGenerator
    return g.throw(self.value.with_traceback(self.tb))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/core/downloader/middleware.py", line 68, in process_request
    return (yield download_func(request, spider))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scrapy.core.downloader.handlers.http11.TunnelError: Could not open CONNECT tunnel with proxy brd.superproxy.io:22225 [{'status': 407, 'reason': b'Auth failed'}]

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/spidermon/core/actions.py", line 39, in run
    self.run_action()
  File "/usr/local/lib/python3.11/site-packages/spidermon/contrib/actions/slack/__init__.py", line 252, in run_action
    self.manager.send_message(
  File "/usr/local/lib/python3.11/site-packages/spidermon/contrib/actions/slack/__init__.py", line 58, in send_message
    return [
           ^
  File "/usr/local/lib/python3.11/site-packages/spidermon/contrib/actions/slack/__init__.py", line 59, in <listcomp>
    self.send_message(
  File "/usr/local/lib/python3.11/site-packages/spidermon/contrib/actions/slack/__init__.py", line 71, in send_message
    return self._send_user_message(
           ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/spidermon/contrib/actions/slack/__init__.py", line 110, in _send_user_message
    user_id = self._get_user_id(username)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/spidermon/contrib/actions/slack/__init__.py", line 96, in _get_user_id
    user = self.users.get(name, None)
           ^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/spidermon/contrib/actions/slack/__init__.py", line 38, in users
    self._users = self._get_users_info()
                  ^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/spidermon/contrib/actions/slack/__init__.py", line 103, in _get_users_info
    for member in self._client.users_list()["members"]
                  ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/slack_sdk/web/client.py", line 5166, in users_list
    return self.api_call("users.list", http_verb="GET", params=kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/slack_sdk/web/base_client.py", line 169, in api_call
    return self._sync_send(api_url=api_url, req_args=req_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/slack_sdk/web/base_client.py", line 200, in _sync_send
    return self._urllib_api_call(
           ^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/slack_sdk/web/base_client.py", line 331, in _urllib_api_call
    ).validate()
      ^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/slack_sdk/web/slack_response.py", line 197, in validate
    raise e.SlackApiError(message=msg, response=self)
slack_sdk.errors.SlackApiError: The request to the Slack API failed. (url: https://slack.com/api/users.list)
The server responded with: {'ok': False, 'error': 'invalid_auth'}

2026-03-21 22:30:19 [mcmaster_carr] (PID: 122) INFO: [Spidermon] 1 action in 0.148s
2026-03-21 22:30:19 [mcmaster_carr] (PID: 122) INFO: [Spidermon] FAILED (errors=1)
2026-03-21 22:30:19 [scrapy.utils.signal] (PID: 122) ERROR: Error caught on signal handler: <bound method FeedExporter.close_spider of <scrapy.extensions.feedexport.FeedExporter object at 0x7f020e28c610>>
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/twisted/internet/defer.py", line 1253, in adapt
    extracted: _SelfResultT | Failure = result.result()
                                        ^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/extensions/feedexport.py", line 504, in close_spider
    self._close_slot(slot, spider)
  File "/usr/local/lib/python3.11/site-packages/scrapy/extensions/feedexport.py", line 535, in _close_slot
    d: Deferred[None] = maybeDeferred(slot.storage.store, get_file(slot))  # type: ignore[call-overload]
                                                          ^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/scrapy/extensions/feedexport.py", line 517, in get_file
    assert slot_.file
           ^^^^^^^^^^
AssertionError
2026-03-21 22:30:19 [scrapy.statscollectors] (PID: 122) INFO: Dumping Scrapy stats:
{'HeadersSpooferDownloaderMiddleware/session/created': 552,
 'HeadersSpooferDownloaderMiddleware/session/spoofed': 1643,
 'big_query/url': 552,
 'downloader/exception_count': 1643,
 'downloader/exception_type_count/scrapy.core.downloader.handlers.http11.TunnelError': 1643,
 'downloader/request_bytes': 1186660,
 'downloader/request_count': 1643,
 'downloader/request_method_count/GET': 1643,
 'elapsed_time_seconds': 1808.255811,
 'finish_reason': 'closespider_timeout_no_item',
 'finish_time': datetime.datetime(2026, 3, 21, 22, 30, 18, 847721, tzinfo=datetime.timezone.utc),
 'items_per_minute': None,
 'log_count/ERROR': 1097,
 'log_count/INFO': 73,
 'log_count/WARNING': 1093,
 'memusage/max': 258867200,
 'memusage/startup': 126185472,
 'proxy_manager/processed': 1643,
 'proxy_manager/session_attached': 1643,
 'responses_per_minute': None,
 'retry/count': 1099,
 'retry/max_reached': 544,
 'retry/reason_count/scrapy.core.downloader.handlers.http11.TunnelError': 1099,
 'scheduler/dequeued': 1643,
 'scheduler/dequeued/memory': 1643,
 'scheduler/enqueued': 1651,
 'scheduler/enqueued/memory': 1651,
 'spidermon/validation/validators': 1,
 'spidermon/validation/validators/item/jsonschema': True,
 'start_requests/big_query': 552,
 'start_time': datetime.datetime(2026, 3, 21, 22, 0, 10, 591910, tzinfo=datetime.timezone.utc)}
2026-03-21 22:30:19 [scrapy.core.engine] (PID: 122) INFO: Spider closed (closespider_timeout_no_item)