Filed by: smolnar [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer.html#?job_id=317876630&repo=autoland
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/KKxdJVQhSV29QBpnydqqcQ/runs/0/artifacts/public/logs/live_backing.log

"INFO -  389 INFO TEST-START | dom/workers/test/test_bug949946.html
[task 2020-10-07T11:39:31.136Z] 11:39:31     INFO -  390 INFO TEST-OK | dom/workers/test/test_bug949946.html | took 61ms
[task 2020-10-07T11:39:52.137Z] 11:39:52     INFO -  wait for org.mozilla.geckoview.test complete; top activity=com.android.launcher3
[task 2020-10-07T11:39:52.246Z] 11:39:52     INFO -  remoteautomation.py | Application ran for: 0:00:36.676417
[task 2020-10-07T11:39:52.791Z] 11:39:52     INFO -  mozcrash Downloading symbols from: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/UucB5YPWQ_iESAyjdAC9ow/artifacts/public/build/target.crashreporter-symbols.zip
[task 2020-10-07T11:39:54.973Z] 11:39:54     INFO -  mozcrash Copy/paste: /builds/worker/fetches/minidump_stackwalk/minidump_stackwalk /tmp/tmpp3RPOO/421aea31-b381-6fa9-51fe-4b5cd63ac960.dmp /tmp/tmpA3oPmD
[task 2020-10-07T11:39:57.475Z] 11:39:57     INFO -  mozcrash Saved minidump as /builds/worker/workspace/build/blobber_upload_dir/421aea31-b381-6fa9-51fe-4b5cd63ac960.dmp
[task 2020-10-07T11:39:57.475Z] 11:39:57     INFO -  mozcrash Saved app info as /builds/worker/workspace/build/blobber_upload_dir/421aea31-b381-6fa9-51fe-4b5cd63ac960.extra
[task 2020-10-07T11:39:57.484Z] 11:39:57  WARNING -  PROCESS-CRASH | dom/workers/test/test_bug949946.html (finished) | application crashed [@ mozilla::dom::WorkerPrivate::Notify(mozilla::dom::WorkerStatus)]
[task 2020-10-07T11:39:57.484Z] 11:39:57     INFO -  Crash dump filename: /tmp/tmpp3RPOO/421aea31-b381-6fa9-51fe-4b5cd63ac960.dmp
[task 2020-10-07T11:39:57.484Z] 11:39:57     INFO -  Operating system: Android
[task 2020-10-07T11:39:57.484Z] 11:39:57     INFO -                    0.0.0 Linux 3.10.0+ #260 SMP PREEMPT Fri May 19 12:48:14 PDT 2017 x86_64
[task 2020-10-07T11:39:57.484Z] 11:39:57     INFO -  CPU: amd64
[task 2020-10-07T11:39:57.484Z] 11:39:57     INFO -       family 6 model 6 stepping 3
[task 2020-10-07T11:39:57.484Z] 11:39:57     INFO -       4 CPUs
[task 2020-10-07T11:39:57.484Z] 11:39:57     INFO -  GPU: UNKNOWN
[task 2020-10-07T11:39:57.484Z] 11:39:57     INFO -  Crash reason:  SIGSEGV /SEGV_MAPERR
[task 2020-10-07T11:39:57.484Z] 11:39:57     INFO -  Crash address: 0x10
[task 2020-10-07T11:39:57.485Z] 11:39:57     INFO -  Process uptime: not available
[task 2020-10-07T11:39:57.485Z] 11:39:57     INFO -  Thread 12 (crashed)
[task 2020-10-07T11:39:57.485Z] 11:39:57     INFO -   0  libxul.so!mozilla::dom::WorkerPrivate::Notify(mozilla::dom::WorkerStatus) [WorkerPrivate.cpp:8d5f1790048cf2af00d4dabfa091686bf4c5a6e6 : 1596 + 0x0]
[task 2020-10-07T11:39:57.485Z] 11:39:57     INFO -      rax = 0xaa495575a37f7100   rdx = 0x0000000000000000
[task 2020-10-07T11:39:57.485Z] 11:39:57     INFO -      rcx = 0x0000000000000000   rbx = 0x00007287c33e9290
[task 2020-10-07T11:39:57.485Z] 11:39:57     INFO -      rsi = 0x0000000000000003   rdi = 0x0000000000000000
[task 2020-10-07T11:39:57.485Z] 11:39:57     INFO -      rbp = 0x00007287d14cd830   rsp = 0x00007287d14cd810
[task 2020-10-07T11:39:57.485Z] 11:39:57     INFO -       r8 = 0x00007287d14cdcc0    r9 = 0x0000000000000000
[task 2020-10-07T11:39:57.486Z] 11:39:57     INFO -      r10 = 0x0000000000000000   r11 = 0x0000000000000000
[task 2020-10-07T11:39:57.486Z] 11:39:57     INFO -      r12 = 0x00007287c18721b8   r13 = 0x00007287c18af5c0
[task 2020-10-07T11:39:57.486Z] 11:39:57     INFO -      r14 = 0x0000000000000003   r15 = 0x0000000000000000
[task 2020-10-07T11:39:57.486Z] 11:39:57     INFO -      rip = 0x00007287cac4cd11
[task 2020-10-07T11:39:57.486Z] 11:39:57     INFO -      Found by: given as instruction pointer in context
[task 2020-10-07T11:39:57.486Z] 11:39:57     INFO -   1  libxul.so!mozilla::dom::RemoteWorkerChild::CloseWorkerOnMainThread(mozilla::Variant<mozilla::dom::RemoteWorkerChild::Pending, mozilla::dom::RemoteWorkerChild::Running, mozilla::dom::RemoteWorkerChild::PendingTerminated, mozilla::dom::RemoteWorkerChild::Terminated>&) [RemoteWorkerChild.cpp:8d5f1790048cf2af00d4dabfa091686bf4c5a6e6 : 629 + 0xd]
[task 2020-10-07T11:39:57.487Z] 11:39:57     INFO -      rbp = 0x00007287d14cd870   rsp = 0x00007287d14cd840
[task 2020-10-07T11:39:57.487Z] 11:39:57     INFO -      rip = 0x00007287cac65f13
[task 2020-10-07T11:39:57.487Z] 11:39:57     INFO -      Found by: previous frame's frame pointer
...
11:39:58     INFO -  runtests.py | Running with scheme: https
[task 2020-10-07T11:39:58.468Z] 11:39:58     INFO -  runtests.py | Running with e10s: True
[task 2020-10-07T11:39:58.468Z] 11:39:58     INFO -  runtests.py | Running with fission: False
[task 2020-10-07T11:39:58.468Z] 11:39:58     INFO -  runtests.py | Running with cross-origin iframes: False
[task 2020-10-07T11:39:58.468Z] 11:39:58     INFO -  runtests.py | Running with serviceworker_e10s: True
[task 2020-10-07T11:39:58.468Z] 11:39:58     INFO -  runtests.py | Running with socketprocess_e10s: False
[task 2020-10-07T11:39:58.468Z] 11:39:58     INFO -  runtests.py | Running tests: start.
[task 2020-10-07T11:39:59.118Z] 11:39:59     INFO -  remoteautomation.py | runApp deleted /data/local/tmp/test_root/logs/mochitest.log
[task 2020-10-07T11:39:59.337Z] 11:39:59     INFO -  adb Granting important runtime permissions to org.mozilla.geckoview.test
[task 2020-10-07T11:40:01.197Z] 11:40:01     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_ACCELERATED=1 --es env8 R_LOG_DESTINATION=stderr --es args '-no-remote -profile /data/local/tmp/test_root/profile/' --es env3 R_LOG_VERBOSE=1 --es env2 XPCOM_DEBUG_BREAK=stack --es env1 MOZ_WEBRENDER=1 --es env0 MOZ_CRASHREPORTER=1 --es env7 MOZ_CRASHREPORTER_SHUTDOWN=1 --es env6 MOZ_IN_AUTOMATION=1 --es env5 MOZ_DISABLE_NONLOCAL_CONNECTIONS=1 --es env4 MOZ_HIDE_RESULTS_TABLE=1 --ez use_multiprocess True --es env12 R_LOG_LEVEL=6 --es env11 MOZ_CRASHREPORTER_NO_REPORT=1 --es env10 MOZ_UPLOAD_DIR=/data/local/tmp/test_root/mozlog -d 'https://example.com:443/tests?autorun=1&closeWhenDone=1&logFile=%2Fdata%2Flocal%2Ftmp%2Ftest_root%2Flogs%2Fmochitest.log&fileLevel=INFO&consoleLevel=INFO&hideResultsTable=1&manifestFile=tests.json&dumpOutputDirectory=%2Fdata%2Flocal%2Ftmp%2Ftest_root'
[task 2020-10-07T11:40:02.216Z] 11:40:02     INFO -  remoteautomation.py | Application pid: 5581
[task 2020-10-07T11:40:04.308Z] 11:40:04     INFO -  391 INFO SimpleTest START
[task 2020-10-07T11:40:04.308Z] 11:40:04     INFO -  392 INFO TEST-START | dom/workers/test/test_navigator_secureContext.html
[task 2020-10-07T11:40:04.309Z] 11:40:04     INFO -  Buffered messages logged at 11:40:02
[task 2020-10-07T11:40:04.309Z] 11:40:04     INFO -  393 INFO TEST-PASS | dom/workers/test/test_navigator_secureContext.html | This test should be running in a secure context
[task 2020-10-07T11:40:04.309Z] 11:40:04     INFO -  Buffered messages logged at 11:40:03"```