Filed by: rmaries [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer.html#?job_id=307694251&repo=autoland
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/aivK6VNMTtK6PGqT10F2Eg/runs/0/artifacts/public/logs/live_backing.log

[task 2020-06-26T20:22:28.586Z] 20:22:28 INFO - TEST-START | dom/base/test/test_copyimage.html
[task 2020-06-26T20:22:35.824Z] 20:22:35 INFO - GECKO(1272) | #20 main /builds/worker/checkouts/gecko/browser/app/nsBrowserApp.cpp:303:18 (firefox+0xca0d7)
[task 2020-06-26T20:22:35.824Z] 20:22:35 INFO - GECKO(1272) | SUMMARY: ThreadSanitizer: data race /builds/worker/checkouts/gecko/js/src/gc/Cell.h:764:19 in unsafeSetPtr
[task 2020-06-26T20:22:35.824Z] 20:22:35 INFO - GECKO(1272) | ==================
[task 2020-06-26T20:22:36.470Z] 20:22:36 ERROR - GECKO(1272) | A content process crashed and MOZ_CRASHREPORTER_SHUTDOWN is set, shutting down
[task 2020-06-26T20:22:40.525Z] 20:22:40 INFO - GECKO(1272) | 1593202960517 Marionette TRACE Received observer notification xpcom-will-shutdown
[task 2020-06-26T20:22:40.526Z] 20:22:40 INFO - GECKO(1272) | 1593202960518 Marionette INFO Stopped listening on port 2828
[task 2020-06-26T20:22:40.526Z] 20:22:40 INFO - GECKO(1272) | 1593202960519 Marionette DEBUG Marionette stopped listening
[task 2020-06-26T20:22:42.008Z] 20:22:42 INFO - TEST-INFO | Main app process: exit 0