Filed by: nfay [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer?job_id=374404115&repo=mozilla-beta
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/Kd47UH0pR2yDYaMzBUczdA/runs/0/artifacts/public/logs/live_backing.log

[task 2022-04-13T20:49:45.009Z] 20:49:45     INFO - TEST-START | /fetch/api/basic/conditional-get.any.serviceworker.html
[task 2022-04-13T20:49:45.009Z] 20:49:45     INFO - Setting pref javascript.options.streams to true
[task 2022-04-13T20:49:45.013Z] 20:49:45     INFO - Setting pref javascript.options.streams to true
[task 2022-04-13T20:49:45.016Z] 20:49:45     INFO - Closing window 39ba3d69-a52d-4f19-8b41-f610b4ccaa7e
[task 2022-04-13T20:49:45.419Z] 20:49:45     INFO - 
[task 2022-04-13T20:49:45.419Z] 20:49:45     INFO - TEST-UNEXPECTED-FAIL | /fetch/api/basic/conditional-get.any.serviceworker.html | Testing conditional GET with ETags - assert_equals: expected (string) "304" but got (object) null
[task 2022-04-13T20:49:45.420Z] 20:49:45     INFO - @https://web-platform.test:8443/fetch/api/basic/conditional-get.any.js:25:18
[task 2022-04-13T20:49:45.420Z] 20:49:45     INFO - TEST-OK | /fetch/api/basic/conditional-get.any.serviceworker.html | took 416ms
[task 2022-04-13T20:49:45.422Z] 20:49:45     INFO - PID 3388 | 1649882985420	Marionette	INFO	Stopped listening on port 55407
[task 2022-04-13T20:49:45.504Z] 20:49:45     INFO - PID 3388 | [Parent 5492, IPC I/O Parent] WARNING: file /builds/worker/checkouts/gecko/ipc/chromium/src/base/process_util_win.cc:167
[task 2022-04-13T20:49:45.827Z] 20:49:45     INFO - PID 3388 | ###!!! [Parent][PGPUParent] Error: RunMessage(msgname=PGPU::Msg_ShutdownVR) Channel closing: too late to send/recv, messages will be lost
[task 2022-04-13T20:49:45.886Z] 20:49:45     INFO - Browser exited with return code 0
[task 2022-04-13T20:49:45.888Z] 20:49:45     INFO - Closing logging queue
[task 2022-04-13T20:49:45.888Z] 20:49:45     INFO - queue closed
[task 2022-04-13T20:49:45.958Z] 20:49:45     INFO - Application command: Z:\task_164987552266536\build\application\firefox\firefox.exe -marionette about:blank --wait-for-browser -profile C:\Users\task_164987552266536\AppData\Local\Temp\tmp_wn24wu0
[task 2022-04-13T20:49:45.968Z] 20:49:45     INFO - PID 1256 | 1649882983505	Marionette	INFO	Marionette enabled
[task 2022-04-13T20:49:45.969Z] 20:49:45     INFO - PID 1256 | JavaScript error: resource://gre/modules/XULStore.jsm, line 66: Error: Can't find profile directory.
[task 2022-04-13T20:49:45.970Z] 20:49:45     INFO - PID 1256 | console.warn: SearchSettings: "get: No settings file exists, new profile?" (new NotFoundError("Could not open the file at C:\\Users\\task_164987552266536\\AppData\\Local\\Temp\\tmptdph3qt8\\search.json.mozlz4", (void 0)))
[task 2022-04-13T20:49:45.970Z] 20:49:45     INFO - PID 1256 | 1649882985290	Marionette	INFO	Listening on port 55556
[task 2022-04-13T20:49:45.971Z] 20:49:45     INFO - Starting runner
[task 2022-04-13T20:49:46.833Z] 20:49:46     INFO - TEST-START | /fetch/api/basic/conditional-get.any.html