Filed by: ccoroiu [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer.html#?job_id=281027449&repo=autoland
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/fqUAjvY1QbSx-Neghps1TA/runs/0/artifacts/public/logs/live_backing.log

task 2019-12-13T08:52:34.549Z] 08:52:34 INFO - TEST-OK | /websockets/remove-own-iframe-during-onerror.window.html | took 1279ms
[task 2019-12-13T08:52:34.586Z] 08:52:34 INFO - PID 7858 | 1576227154572 Marionette INFO Stopped listening on port 39699
[task 2019-12-13T08:52:35.071Z] 08:52:35 INFO - PID 7858 | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2019-12-13T08:52:36.140Z] 08:52:36 INFO - PID 7858 | -----------------------------------------------------
[task 2019-12-13T08:52:36.140Z] 08:52:36 INFO - PID 7858 | Suppressions used:
[task 2019-12-13T08:52:36.140Z] 08:52:36 INFO - PID 7858 | count bytes template
[task 2019-12-13T08:52:36.141Z] 08:52:36 INFO - PID 7858 | 27 832 nsComponentManagerImpl
[task 2019-12-13T08:52:36.142Z] 08:52:36 INFO - PID 7858 | 2 288 libfontconfig.so
[task 2019-12-13T08:52:36.142Z] 08:52:36 INFO - PID 7858 | -----------------------------------------------------
[task 2019-12-13T08:52:36.222Z] 08:52:36 INFO - PID 7858 | -----------------------------------------------------
[task 2019-12-13T08:52:36.224Z] 08:52:36 INFO - PID 7858 | Suppressions used:
[task 2019-12-13T08:52:36.225Z] 08:52:36 INFO - PID 7858 | count bytes template
[task 2019-12-13T08:52:36.226Z] 08:52:36 INFO - PID 7858 | 27 832 nsComponentManagerImpl
[task 2019-12-13T08:52:36.226Z] 08:52:36 INFO - PID 7858 | 611 17713 libfontconfig.so
[task 2019-12-13T08:52:36.228Z] 08:52:36 INFO - PID 7858 | 1 29 libglib-2.0.so
[task 2019-12-13T08:52:36.229Z] 08:52:36 INFO - PID 7858 | -----------------------------------------------------
[task 2019-12-13T08:52:36.290Z] 08:52:36 INFO - PID 7858 | -----------------------------------------------------
[task 2019-12-13T08:52:36.290Z] 08:52:36 INFO - PID 7858 | Suppressions used:
[task 2019-12-13T08:52:36.290Z] 08:52:36 INFO - PID 7858 | count bytes template
[task 2019-12-13T08:52:36.290Z] 08:52:36 INFO - PID 7858 | 27 832 nsComponentManagerImpl
[task 2019-12-13T08:52:36.290Z] 08:52:36 INFO - PID 7858 | 611 17713 libfontconfig.so
[task 2019-12-13T08:52:36.291Z] 08:52:36 INFO - PID 7858 | 1 29 libglib-2.0.so
[task 2019-12-13T08:52:36.291Z] 08:52:36 INFO - PID 7858 | -----------------------------------------------------
[task 2019-12-13T08:52:36.622Z] 08:52:36 INFO - PID 7858 | -----------------------------------------------------
[task 2019-12-13T08:52:36.622Z] 08:52:36 INFO - PID 7858 | Suppressions used:
[task 2019-12-13T08:52:36.623Z] 08:52:36 INFO - PID 7858 | count bytes template
[task 2019-12-13T08:52:36.623Z] 08:52:36 INFO - PID 7858 | 27 832 nsComponentManagerImpl
[task 2019-12-13T08:52:36.623Z] 08:52:36 INFO - PID 7858 | 611 17713 libfontconfig.so
[task 2019-12-13T08:52:36.624Z] 08:52:36 INFO - PID 7858 | 1 29 libglib-2.0.so
[task 2019-12-13T08:52:36.626Z] 08:52:36 INFO - PID 7858 | -----------------------------------------------------
[task 2019-12-13T08:52:37.877Z] 08:52:37 INFO - PID 7858 | -----------------------------------------------------
[task 2019-12-13T08:52:37.877Z] 08:52:37 INFO - PID 7858 | Suppressions used:
[task 2019-12-13T08:52:37.878Z] 08:52:37 INFO - PID 7858 | count bytes template
[task 2019-12-13T08:52:37.878Z] 08:52:37 INFO - PID 7858 | 24 728 nsComponentManagerImpl
[task 2019-12-13T08:52:37.879Z] 08:52:37 INFO - PID 7858 | 4 832 mozJSComponentLoader::LoadModule
[task 2019-12-13T08:52:37.879Z] 08:52:37 INFO - PID 7858 | 611 17509 libfontconfig.so
[task 2019-12-13T08:52:37.880Z] 08:52:37 INFO - PID 7858 | 1 29 libglib-2.0.so
[task 2019-12-13T08:52:37.880Z] 08:52:37 INFO - PID 7858 | -----------------------------------------------------
[task 2019-12-13T08:52:37.969Z] 08:52:37 INFO - Browser exited with return code 0
[task 2019-12-13T08:52:37.970Z] 08:52:37 INFO - PROCESS LEAKS None
[task 2019-12-13T08:52:37.971Z] 08:52:37 INFO - ERROR | LeakSanitizer | SUMMARY: AddressSanitizer: 18320 byte(s) leaked in 108 allocation(s).
[task 2019-12-13T08:52:37.971Z] 08:52:37 INFO - LeakSanitizer | To show the addresses of leaked objects add report_objects=1 to LSAN_OPTIONS
[task 2019-12-13T08:52:37.972Z] 08:52:37 INFO - This can be done in testing/mozbase/mozrunner/mozrunner/utils.py
[task 2019-12-13T08:52:37.973Z] 08:52:37 INFO - Allowed depth was 4

Bulk closing some old intermittents.