Some errors are missing in the autoclassify failure tab, e.g. application timed out after 330 seconds with no output. Example: https://treeherder.mozilla.org/#/jobs?repo=mozilla-inbound&revision=17dcafc58287fb1f605ea6c396589f467aeff811&selectedJob=28982537&autoclassify First error shown for browser/components/customizableui/test/browser_940946_removable_from_navbar_customizemode.js is "application crashed [None]" There are several errors and timeouts before which are missing: 18:42:50 INFO - 149 INFO TEST-UNEXPECTED-FAIL | browser/components/customizableui/test/browser_940946_removable_from_navbar_customizemode.js | Test timed out - 18:49:11 WARNING - TEST-UNEXPECTED-TIMEOUT | browser/components/customizableui/test/browser_940946_removable_from_navbar_customizemode.js | application timed out after 330 seconds with no output 18:49:12 WARNING - TEST-UNEXPECTED-FAIL | ShutdownLeaks | process() called before end of test suite 18:49:12 WARNING - TEST-UNEXPECTED-FAIL | browser/components/customizableui/test/browser_940946_removable_from_navbar_customizemode.js | application terminated with exit code 1