Filed by: tszentpeteri [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer?job_id=462286245&repo=mozilla-central
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/X_ziI-lVSUS34NXNdJo5-Q/runs/0/artifacts/public/logs/live_backing.log

[task 2024-06-13T23:30:49.792Z] 23:30:49     INFO - TEST-START | /webcodecs/temporal-svc-encoding.https.any.worker.html?vp8
[task 2024-06-13T23:30:49.800Z] 23:30:49     INFO - Closing window f5ed7707-92bb-425b-9f93-f05d8368d0fa
[task 2024-06-13T23:30:50.328Z] 23:30:50     INFO - 
[task 2024-06-13T23:30:50.328Z] 23:30:50     INFO - TEST-UNEXPECTED-FAIL | /webcodecs/temporal-svc-encoding.https.any.worker.html?vp8 | SVC L1T2 - assert_equals: expected 12 but got 23
[task 2024-06-13T23:30:50.329Z] 23:30:50     INFO - svc_test@https://web-platform.test:8443/webcodecs/temporal-svc-encoding.https.any.js:99:16
[task 2024-06-13T23:30:50.329Z] 23:30:50     INFO - 
[task 2024-06-13T23:30:50.329Z] 23:30:50     INFO - TEST-UNEXPECTED-FAIL | /webcodecs/temporal-svc-encoding.https.any.worker.html?vp8 | SVC L1T3 - assert_equals: expected 6 but got 23
[task 2024-06-13T23:30:50.330Z] 23:30:50     INFO - svc_test@https://web-platform.test:8443/webcodecs/temporal-svc-encoding.https.any.js:99:16
[task 2024-06-13T23:30:50.330Z] 23:30:50     INFO - TEST-UNEXPECTED-ERROR | /webcodecs/temporal-svc-encoding.https.any.worker.html?vp8 | Error in remote https://web-platform.test:8443/resources/testharness.js: uncaught exception: Error: assert_less_than: expected a number less than 3 but got 5
[task 2024-06-13T23:30:50.330Z] 23:30:50     INFO - TEST-INFO took 538ms
[task 2024-06-13T23:30:50.334Z] 23:30:50     INFO - PID 3852 | 1718321450333	Marionette	INFO	Stopped listening on port 58588
[task 2024-06-13T23:30:52.704Z] 23:30:52     INFO - PID 3852 | [GFX1-]: Attempt to dealloc a ShmemSections after shutdown.
[task 2024-06-13T23:30:52.707Z] 23:30:52     INFO - PID 3852 | [GFX1-]: Attempt to dealloc a ShmemSections after shutdown.
[task 2024-06-13T23:30:52.708Z] 23:30:52     INFO - PID 3852 | [GFX1-]: Attempt to dealloc a ShmemSections after shutdown.
[task 2024-06-13T23:30:52.711Z] 23:30:52     INFO - PID 3852 | [GFX1-]: Attempt to dealloc a ShmemSections after shutdown.
[task 2024-06-13T23:30:52.714Z] 23:30:52     INFO - PID 3852 | [GFX1-]: Attempt to dealloc a ShmemSections after shutdown.
[task 2024-06-13T23:30:52.715Z] 23:30:52     INFO - PID 3852 | [GFX1-]: Attempt to dealloc a ShmemSections after shutdown.
[task 2024-06-13T23:30:52.718Z] 23:30:52     INFO - PID 3852 | [GFX1-]: Attempt to dealloc a ShmemSections after shutdown.
[task 2024-06-13T23:30:52.719Z] 23:30:52     INFO - PID 3852 | [GFX1-]: Attempt to dealloc a ShmemSections after shutdown.
[task 2024-06-13T23:30:52.720Z] 23:30:52     INFO - PID 3852 | [GFX1-]: Attempt to dealloc a ShmemSections after shutdown.
[task 2024-06-13T23:30:52.724Z] 23:30:52     INFO - PID 3852 | [GFX1-]: Attempt to dealloc a ShmemSections after shutdown.
[task 2024-06-13T23:30:52.727Z] 23:30:52     INFO - PID 3852 | [GFX1-]: Attempt to dealloc a ShmemSections after shutdown.
[task 2024-06-13T23:30:52.728Z] 23:30:52     INFO - PID 3852 | [GFX1-]: Attempt to dealloc a ShmemSections after shutdown.
[task 2024-06-13T23:30:52.730Z] 23:30:52     INFO - PID 3852 | [GFX1-]: Attempt to dealloc a ShmemSections after shutdown.
[task 2024-06-13T23:30:52.732Z] 23:30:52     INFO - PID 3852 | [GFX1-]: Attempt to dealloc a ShmemSections after shutdown.
[task 2024-06-13T23:30:52.734Z] 23:30:52     INFO - PID 3852 | [GFX1-]: Attempt to dealloc a ShmemSections after shutdown.
[task 2024-06-13T23:30:52.737Z] 23:30:52     INFO - PID 3852 | [GFX1-]: Attempt to dealloc a ShmemSections after shutdown.
[task 2024-06-13T23:30:52.739Z] 23:30:52     INFO - PID 3852 | [GFX1-]: Attempt to dealloc a ShmemSections after shutdown.
[task 2024-06-13T23:30:52.740Z] 23:30:52     INFO - PID 3852 | [GFX1-]: Attempt to dealloc a ShmemSections after shutdown.
[task 2024-06-13T23:30:52.741Z] 23:30:52     INFO - PID 3852 | [GFX1-]: Attempt to dealloc a ShmemSections after shutdown.
[task 2024-06-13T23:30:52.742Z] 23:30:52     INFO - PID 3852 | [GFX1-]: Attempt to dealloc a ShmemSections after shutdown.
[task 2024-06-13T23:30:52.743Z] 23:30:52     INFO - PID 3852 | [GFX1-]: Attempt to dealloc a ShmemSections after shutdown.
[task 2024-06-13T23:30:52.744Z] 23:30:52     INFO - PID 3852 | [GFX1-]: Attempt to dealloc a ShmemSections after shutdown.
[task 2024-06-13T23:30:52.745Z] 23:30:52     INFO - PID 3852 | [GFX1-]: Attempt to dealloc a ShmemSections after shutdown.
[task 2024-06-13T23:30:52.746Z] 23:30:52     INFO - PID 3852 | [GFX1-]: Attempt to dealloc a ShmemSections after shutdown.
[task 2024-06-13T23:30:52.747Z] 23:30:52     INFO - PID 3852 | [GFX1-]: Attempt to dealloc a ShmemSections after shutdown.
[task 2024-06-13T23:30:52.748Z] 23:30:52     INFO - PID 3852 | [GFX1-]: Attempt to dealloc a ShmemSections after shutdown.
[task 2024-06-13T23:30:52.748Z] 23:30:52     INFO - PID 3852 | [GFX1-]: Attempt to dealloc a ShmemSections after shutdown.
[task 2024-06-13T23:30:52.751Z] 23:30:52     INFO - PID 3852 | [GFX1-]: Attempt to dealloc a ShmemSections after shutdown.
[task 2024-06-13T23:30:52.753Z] 23:30:52     INFO - PID 3852 | [GFX1-]: Attempt to dealloc a ShmemSections after shutdown.
[task 2024-06-13T23:30:52.755Z] 23:30:52     INFO - PID 3852 | [GFX1-]: Attempt to dealloc a ShmemSections after shutdown.
[task 2024-06-13T23:30:52.756Z] 23:30:52     INFO - PID 3852 | [GFX1-]: Attempt to dealloc a ShmemSections after shutdown.
[task 2024-06-13T23:30:52.759Z] 23:30:52     INFO - PID 3852 | [GFX1-]: Attempt to dealloc a ShmemSections after shutdown.
[task 2024-06-13T23:30:53.898Z] 23:30:53     INFO - PID 3852 | [Parent 7260, IPC I/O Parent] WARNING: Process 3764 may be hanging at shutdown; will wait for up to 80000ms: file D:/task_171831599942656/build/src/ipc/chromium/src/chrome/common/process_watcher_win.cc:129
[task 2024-06-13T23:30:54.507Z] 23:30:54     INFO - PID 3852 | [Parent 7260, IPC I/O Parent] WARNING: Process 6752 may be hanging at shutdown; will wait for up to 79406ms: file D:/task_171831599942656/build/src/ipc/chromium/src/chrome/common/process_watcher_win.cc:129
[task 2024-06-13T23:30:56.040Z] 23:30:56     INFO - Browser exited with return code 0
[task 2024-06-13T23:30:56.044Z] 23:30:56     INFO - Closing logging queue
[task 2024-06-13T23:30:56.045Z] 23:30:56     INFO - queue closed
[task 2024-06-13T23:30:56.150Z] 23:30:56     INFO - Application command: D:\task_171832093498354\build\application\firefox\firefox.exe -marionette about:blank --wait-for-browser -profile C:\Users\task_171832093498354\AppData\Local\Temp\tmplanajh1z
[task 2024-06-13T23:30:56.166Z] 23:30:56     INFO - Starting runner
[task 2024-06-13T23:30:57.401Z] 23:30:57     INFO - PID 1272 | 1718321457403	Marionette	INFO	Marionette enabled
[task 2024-06-13T23:30:57.572Z] 23:30:57     INFO - PID 1272 | 1718321457584	Marionette	INFO	Listening on port 58869
[task 2024-06-13T23:31:02.578Z] 23:31:02     INFO - PID 1272 | [ERROR error_support::handling] suggest-unexpected: Error from Remote Settings: Error parsing URL: relative URL with a cannot-be-a-base base
[task 2024-06-13T23:31:02.593Z] 23:31:02     INFO - PID 1272 | console.error: URLBar - QuickSuggest.SuggestBackendRust: "Ingest error: Error from Remote Settings: Error parsing URL: relative URL with a cannot-be-a-base base"
[task 2024-06-13T23:31:03.022Z] 23:31:03     INFO - TEST-START | /webcodecs/temporal-svc-encoding.https.any.html?av1

Set release status flags based on info from the regressing bug 1872879

:padenot, since you are the author of the regressor, bug 1872879, could you take a look?

For more information, please visit BugBot documentation.

We should mark this I failing.