Filed by: nbeleuzu [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer.html#?job_id=315356466&repo=autoland
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/RTQe1deyTYm_O_yL0BIOkQ/runs/0/artifacts/public/logs/live_backing.log

[task 2020-09-10T19:53:23.398Z] 19:53:23     INFO - TEST-PASS | dom/canvas/test/webgl-conf/generated/test_conformance__ogles__GL__normalize__normalize_001_to_006.html | images are the same 
[task 2020-09-10T19:53:23.398Z] 19:53:23     INFO - TEST-PASS | dom/canvas/test/webgl-conf/generated/test_conformance__ogles__GL__normalize__normalize_001_to_006.html | getError was expected value: NO_ERROR : there should be no errors 
[task 2020-09-10T19:53:23.399Z] 19:53:23     INFO - Buffered messages finished
[task 2020-09-10T19:53:23.399Z] 19:53:23     INFO - TEST-UNEXPECTED-FAIL | dom/canvas/test/webgl-conf/generated/test_conformance__ogles__GL__normalize__normalize_001_to_006.html | Test timed out. 
[task 2020-09-10T19:53:23.399Z] 19:53:23     INFO -     SimpleTest.ok@SimpleTest/SimpleTest.js:417:16
[task 2020-09-10T19:53:23.399Z] 19:53:23     INFO -     reportError@SimpleTest/TestRunner.js:143:22
[task 2020-09-10T19:53:23.399Z] 19:53:23     INFO -     TestRunner._checkForHangs@SimpleTest/TestRunner.js:165:18
[task 2020-09-10T19:53:24.342Z] 19:53:24     INFO - GECKO(6132) | MEMORY STAT | vsize 1370MB | vsizeMaxContiguous 25MB | residentFast 383MB | heapAllocated 43MB
[task 2020-09-10T19:53:24.358Z] 19:53:24     INFO - TEST-OK | dom/canvas/test/webgl-conf/generated/test_conformance__ogles__GL__normalize__normalize_001_to_006.html | took 321384ms```

https://wiki.mozilla.org/Bug_Triage#Intermittent_Test_Failure_Cleanup
For more information, please visit auto_nag documentation.

New occurrence: https://treeherder.mozilla.org/logviewer?job_id=325842275&repo=mozilla-beta&lineNumber=2484