Filed by: csabou [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer?job_id=335232274&repo=autoland
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/NrPK9J-tRcyEMKG8-k-PgA/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/NrPK9J-tRcyEMKG8-k-PgA/runs/0/artifacts/public/logs/live_backing.log&only_show_unexpected=1

[task 2021-04-01T22:52:47.435Z] 22:52:47     INFO - TEST-PASS | devtools/client/framework/test/browser_toolbox_fission_navigation.js | The main process DevToolsServer has no pending connection when the test ends - 
[task 2021-04-01T22:52:47.435Z] 22:52:47     INFO - Buffered messages finished
[task 2021-04-01T22:52:47.435Z] 22:52:47     INFO - TEST-UNEXPECTED-FAIL | devtools/client/framework/test/browser_toolbox_fission_navigation.js | This test exceeded the timeout threshold. It should be rewritten or split up. If that's not possible, use requestLongerTimeout(N), but only as a last resort. - 
[task 2021-04-01T22:52:47.435Z] 22:52:47     INFO - GECKO(1972) | MEMORY STAT vsizeMaxContiguous not supported in this build configuration.
[task 2021-04-01T22:52:47.435Z] 22:52:47     INFO - GECKO(1972) | MEMORY STAT | vsize 7741MB | residentFast 342MB | heapAllocated 123MB
[task 2021-04-01T22:52:47.435Z] 22:52:47     INFO - TEST-OK | devtools/client/framework/test/browser_toolbox_fission_navigation.js | took 48523ms
[task 2021-04-01T22:52:47.435Z] 22:52:47     INFO - checking window state
[task 2021-04-01T22:52:47.596Z] 22:52:47     INFO - TEST-START | devtools/client/framework/test/browser_toolbox_fission_navigation.js
[task 2021-04-01T22:53:28.981Z] 22:53:28     INFO - TEST-PASS | devtools/client/framework/test/browser_toolbox_fission_navigation.js | The main process DevToolsServer has no pending connection when the test ends - 
[task 2021-04-01T22:53:28.981Z] 22:53:28     INFO - Buffered messages finished
[task 2021-04-01T22:53:28.981Z] 22:53:28     INFO - TEST-UNEXPECTED-FAIL | devtools/client/framework/test/browser_toolbox_fission_navigation.js | This test exceeded the timeout threshold. It should be rewritten or split up. If that's not possible, use requestLongerTimeout(N), but only as a last resort. - 
[task 2021-04-01T22:53:28.981Z] 22:53:28     INFO - GECKO(1972) | MEMORY STAT | vsize 7747MB | residentFast 351MB | heapAllocated 124MB
[task 2021-04-01T22:53:28.981Z] 22:53:28     INFO - TEST-OK | devtools/client/framework/test/browser_toolbox_fission_navigation.js | took 41360ms
[task 2021-04-01T22:53:29.022Z] 22:53:29     INFO - checking window state
[task 2021-04-01T22:53:29.195Z] 22:53:29     INFO - TEST-START | devtools/client/framework/test/browser_toolbox_fission_navigation.js```

Set release status flags based on info from the regressing bug 1644397

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

Recent failure log: https://treeherder.mozilla.org/logviewer?job_id=353962309&repo=autoland&lineNumber=9301

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