Filed by: nerli [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer.html#?job_id=307905736&repo=mozilla-central
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/WotO6fK9Sw2ixuLCpjTYAQ/runs/0/artifacts/public/logs/live_backing.log
Reftest URL: https://hg.mozilla.org/mozilla-central/raw-file/tip/layout/tools/reftest/reftest-analyzer.xhtml#logurl=https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/WotO6fK9Sw2ixuLCpjTYAQ/runs/0/artifacts/public/logs/live_backing.log&only_show_unexpected=1

[task 2020-06-29T18:37:25.988Z] 18:37:25 INFO - TEST-START | /css/css-values/angle-units-001.html
[task 2020-06-29T18:37:26.006Z] 18:37:26 INFO - Setting pref dom.animations-api.compositing.enabled (true)
[task 2020-06-29T18:37:26.026Z] 18:37:26 INFO - Setting pref layout.css.comparison-functions.enabled (true)
[task 2020-06-29T18:37:46.517Z] 18:37:46 INFO - TEST-UNEXPECTED-TIMEOUT | /css/css-values/angle-units-001.html | expected PASS
[task 2020-06-29T18:37:46.517Z] 18:37:46 INFO - TEST-INFO took 20525ms
[task 2020-06-29T18:37:47.456Z] 18:37:47 INFO - Closing logging queue
[task 2020-06-29T18:37:47.456Z] 18:37:47 INFO - queue closed
[task 2020-06-29T18:37:47.478Z] 18:37:47 INFO - Setting android reftest preferences
[task 2020-06-29T18:37:47.478Z] 18:37:47 INFO - Setting up ssl
[task 2020-06-29T18:37:47.506Z] 18:37:47 INFO - certutil |
[task 2020-06-29T18:37:47.526Z] 18:37:47 INFO - certutil |
[task 2020-06-29T18:37:47.548Z] 18:37:47 INFO - certutil |
[task 2020-06-29T18:37:47.548Z] 18:37:47 INFO - Certificate Nickname Trust Attributes
[task 2020-06-29T18:37:47.548Z] 18:37:47 INFO - SSL,S/MIME,JAR/XPI
[task 2020-06-29T18:37:47.548Z] 18:37:47 INFO -
[task 2020-06-29T18:37:47.548Z] 18:37:47 INFO - web-platform-tests CT,,
[task 2020-06-29T18:37:47.548Z] 18:37:47 INFO -
[task 2020-06-29T18:37:50.587Z] 18:37:50 INFO - adb Granting important runtime permissions to org.mozilla.geckoview.test
[task 2020-06-29T18:37:52.195Z] 18:37:52 INFO - adb launch_application: am start -W -n org.mozilla.geckoview.test/org.mozilla.geckoview.test.TestRunnerActivity -a android.intent.action.MAIN --es env9 MOZ_DISABLE_NONLOCAL_CONNECTIONS=1 --es env8 R_LOG_DESTINATION=stderr --es args "-no-remote -profile /data/local/tmp/tests/profile --marionette about:blank" --es env3 MOZ_HIDE_RESULTS_TABLE=1 --es env2 R_LOG_VERBOSE=1 --es env1 MOZ_WEBRENDER=0 --es env0 MOZ_CRASHREPORTER=1 --es env7 MOZ_CRASHREPORTER_SHUTDOWN=1 --es env6 MOZ_IN_AUTOMATION=1 --es env5 MOZ_LOG=signaling:3,mtransport:4,DataChannel:4,jsep:4 --es env4 STYLO_THREADS=1 --ez use_multiprocess True --es env12 R_LOG_LEVEL=6 --es env11 MOZ_PROCESS_LOG=/tmp/tmpg64n8Cpidlog --es env10 MOZ_CRASHREPORTER_NO_REPORT=1
[task 2020-06-29T18:37:53.965Z] 18:37:53 INFO - Starting runner

Just a heads up that the push that originated this bug is normally not supposed to run the suite that caused this in the first place; I was just using that push on central to establish a baseline to see if it passes at all.

The task is a Tier 2 not scheduled by default, so I wouldn't worry about this failure until the Fission team decides to turn on these tests.

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=320334737&repo=autoland&lineNumber=1504

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