Filed by: abutkovits [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer.html#?job_id=309613529&repo=autoland
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/JsOePo8LQjGMR4OehfFSrg/runs/0/artifacts/public/logs/live_backing.log

[task 2020-07-13T18:03:56.842Z] 18:03:56 INFO - TEST-START | browser/components/extensions/test/browser/browser_ext_devtools_inspectedWindow_targetSwitch.js
[task 2020-07-13T18:03:56.880Z] 18:03:56 INFO - GECKO(7512) | [Child 6908: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 000001760B858800 == 2 [pid = 6908] [id = {2dda1497-df34-4bc4-95ac-efc307de6d47}]
[task 2020-07-13T18:03:56.880Z] 18:03:56 INFO - GECKO(7512) | [Child 6908: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 3 (00000176099CC090) [pid = 6908] [serial = 134] [outer = 0000000000000000]
[task 2020-07-13T18:03:56.880Z] 18:03:56 INFO - GECKO(7512) | [Child 6908: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 4 (000001760B931C00) [pid = 6908] [serial = 135] [outer = 00000176099CC090]
[task 2020-07-13T18:03:56.960Z] 18:03:56 INFO - GECKO(7512) | [Child 6908: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 5 (000001760E8DD400) [pid = 6908] [serial = 136] [outer = 00000176099CC090]
[task 2020-07-13T18:03:57.275Z] 18:03:57 INFO - GECKO(7512) | [Parent 8040: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 000001B09A794400 == 17 [pid = 8040] [id = {6365e33c-ae86-4cb1-8597-1acf317ac03e}]
[task 2020-07-13T18:03:57.275Z] 18:03:57 INFO - GECKO(7512) | [Parent 8040: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 49 (000001B09A912B70) [pid = 8040] [serial = 288] [outer = 0000000000000000]
[task 2020-07-13T18:03:57.275Z] 18:03:57 INFO - GECKO(7512) | [Parent 8040: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 50 (000001B09A79C400) [pid = 8040] [serial = 289] [outer = 000001B09A912B70]
[task 2020-07-13T18:03:57.293Z] 18:03:57 INFO - GECKO(7512) | [Parent 8040, Main Thread] WARNING: Need BrowserChild to get the nativeWindow from!: file /buil[Child 6040: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 000001643FCCF800 == 5 [pid = 6040] [id = {63ff8063-4dc2-4e11-b108-b97dc35c01c2}]
[task 2020-07-13T18:03:57.293Z] 18:03:57 INFO - GECKO(7512) | ds/worker/checkouts/gecko/widget/PuppetWidget.cpp, line 1086
[task 2020-07-13T18:03:57.293Z] 18:03:57 INFO - GECKO(7512) | [Child 6040: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 12 (000001643D2F8430) [pid = 6040] [serial = 724] [outer = 0000000000000000]
[task 2020-07-13T18:03:57.293Z] 18:03:57 INFO - GECKO(7512) | [Child 6040: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 13 (000001643FCDBC00) [pid = 6040] [serial = 725] [outer = 000001643D2F8430]
[task 2020-07-13T18:03:57.303Z] 18:03:57 INFO - GECKO(7512) | [Child 6040, Main Thread] WARNING: Fallback to BasicLayerManager: file /builds/worker/checkouts/gecko/dom/ipc/BrowserChild.cpp, line 2633
[task 2020-07-13T18:03:57.348Z] 18:03:57 INFO - GECKO(7512) | [Parent 8040: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 51 (000001B0A299E800) [pid = 8040] [serial = 290] [outer = 000001B09A912B70]
[task 2020-07-13T18:03:57.367Z] 18:03:57 INFO - GECKO(7512) | [Child 6040: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 14 (00000164406CA000) [pid = 6040] [serial = 726] [outer = 000001643D2F8430]
[task 2020-07-13T18:03:57.372Z] 18:03:57 INFO - GECKO(7512) | [Child 6040, Main Thread] WARNING: NS_ENSURE_TRUE(mRequest) failed: file /builds/worker/checkouts/gecko/netwerk/base/nsBaseChannel.cpp, line 919
[task 2020-07-13T18:03:57.372Z] 18:03:57 INFO - GECKO(7512) | [Child 6040, Main Thread] WARNING: Failed to retarget HTML data delivery to the parser thread.: file /builds/worker/checkouts/gecko/parser/html/nsHtml5StreamParser.cpp, line 1131
[task 2020-07-13T18:03:57.472Z] 18:03:57 INFO - GECKO(7512) | [Parent 8040, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, rv) failed with result 0x80004005 (NS_ERROR_FAILURE): file /builds/worker/checkouts/gecko/dom/base/nsContentUtils.cpp, line 3757
[task 2020-07-13T18:03:57.555Z] 18:03:57 INFO - GECKO(7512) | [Parent 8040: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 000001B09ED75C00 == 18 [pid = 8040] [id = {e5b89120-f573-4454-9f39-77bdf921b3d0}]
[task 2020-07-13T18:03:57.555Z] 18:03:57 INFO - GECKO(7512) | [Parent 8040: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 52 (000001B0A81767D0) [pid = 8040] [serial = 291] [outer = 0000000000000000]
[task 2020-07-13T18:03:57.555Z] 18:03:57 INFO - GECKO(7512) | [Parent 8040: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 53 (000001B0A658B400) [pid = 8040] [serial = 292] [outer = 000001B0A81767D0]
[task 2020-07-13T18:03:57.661Z] 18:03:57 INFO - GECKO(7512) | [Parent 8040: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 54 (000001B0A8E8B000) [pid = 8040] [serial = 293] [outer = 000001B0A81767D0]
[task 2020-07-13T18:03:57.792Z] 18:03:57 INFO - GECKO(7512) | [Parent 8040: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 000001B0A9705800 == 19 [pid = 8040] [id = {a0bba69f-bdac-4c66-a753-31633b07b681}]
[task 2020-07-13T18:03:57.792Z] 18:03:57 INFO - GECKO(7512) | [Parent 8040: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 55 (000001B0A8176D40) [pid = 8040] [serial = 294] [outer = 0000000000000000]
[task 2020-07-13T18:03:57.792Z] 18:03:57 INFO - GECKO(7512) | [Parent 8040: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 56 (000001B0A97BC400) [pid = 8040] [serial = 295] [outer = 000001B0A8176D40]
[task 2020-07-13T18:03:57.891Z] 18:03:57 INFO - GECKO(7512) | [Parent 8040, Main Thread] WARNING: Failed to retarget HTML data delivery to the parser thread.: file /builds/worker/checkouts/gecko/parser/html/nsHtml5StreamParser.cpp, line 1131
[task 2020-07-13T18:03:58.171Z] 18:03:58 INFO - GECKO(7512) | [Parent 8040, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, nullptr) failed with result 0x804B000A (NS_ERROR_MALFORMED_URI): file /builds/worker/checkouts/gecko/extensions/permissions/Permission.cpp, line 46
[task 2020-07-13T18:03:58.171Z] 18:03:58 INFO - GECKO(7512) | [Parent 8040, Main Thread] WARNING: NS_ENSURE_TRUE(principal) failed: file /builds/worker/checkouts/gecko/extensions/permissions/Permission.cpp, line 58
[task 2020-07-13T18:03:58.738Z] 18:03:58 INFO - GECKO(7512) | [Child 6908: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 6 (000001760EB29800) [pid = 6908] [serial = 137] [outer = 00000176099CC090]
[task 2020-07-13T18:03:58.932Z] 18:03:58 INFO - GECKO(7512) | [Parent 8040: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 000001B0AD1CC000 == 20 [pid = 8040] [id = {0bfc4233-ce46-45ad-8607-c34692f7f832}]
[task 2020-07-13T18:03:58.932Z] 18:03:58 INFO - GECKO(7512) | [Parent 8040: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 57 (000001B0AF84BA40) [pid = 8040] [serial = 296] [outer = 0000000000000000]
[task 2020-07-13T18:03:58.932Z] 18:03:58 INFO - GECKO(7512) | [Parent 8040: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 58 (000001B0AD1C8400) [pid = 8040] [serial = 297] [outer = 000001B0AF84BA40]
[task 2020-07-13T18:03:58.952Z] 18:03:58 INFO - GECKO(7512) | [Child 6908, Main Thread] WARNING: NS_ENSURE_TRUE(request) failed: file /builds/worker/checkouts/gecko/netwerk/base/nsLoadGroup.cpp, line 595
[task 2020-07-13T18:03:59.051Z] 18:03:59 INFO - GECKO(7512) | [Parent 8040: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 59 (000001B0AD1D5400) [pid = 8040] [serial = 298] [outer = 000001B0AF84BA40]
[task 2020-07-13T18:03:59.070Z] 18:03:59 INFO - GECKO(7512) | [Parent 8040, Main Thread] WARNING: 'aOwner->IsDiscarded()', file /builds/worker/workspace/obj-build/dist/include/mozilla/dom/SyncedContextInlines.h, line 37
[task 2020-07-13T18:03:59.538Z] 18:03:59 INFO - GECKO(7512) | [Parent 8040: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 60 (000001B0AE6EE400) [pid = 8040] [serial = 299] [outer = 000001B0AF84BA40]
[task 2020-07-13T18:03:59.682Z] 18:03:59 INFO - GECKO(7512) | [Child 6040: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 13 (00000164406CB000) [pid = 6040] [serial = 714] [outer = 0000000000000000] [url = moz-extension://cf5f1488-e800-4b42-b8bc-461d80d8fe5a/_generated_background_page.html]
[task 2020-07-13T18:03:59.682Z] 18:03:59 INFO - GECKO(7512) | [Child 6040: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 000001643FCD9000 == 4 [pid = 6040] [id = {40030943-6c7b-4d9f-8728-f522c708e2d8}] [url = moz-extension://c2cb9c7d-e8ec-4a24-82d3-7bffe800c86a/_generated_background_page.html]
[task 2020-07-13T18:03:59.747Z] 18:03:59 INFO - GECKO(7512) | [Parent 8040, Main Thread] WARNING: '!inner', file /builds/worker/checkouts/gecko/dom/ipc/jsactor/JSWindowActorProtocol.cpp, line 172
[task 2020-07-13T18:03:59.747Z] 18:03:59 INFO - GECKO(7512) | [Parent 8040, Main Thread] WARNING: '!inner', file /builds/worker/checkouts/gecko/dom/ipc/jsactor/JSWindowActorProtocol.cpp, line 172
[task 2020-07-13T18:03:59.765Z] 18:03:59 INFO - GECKO(7512) | [Child 6908: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 000001760E8DAC00 == 3 [pid = 6908] [id = {1142297b-02cd-4dfc-acb4-aae2e33e465b}]
[task 2020-07-13T18:03:59.765Z] 18:03:59 INFO - GECKO(7512) | [Child 6908: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 7 (00000176099CCF10) [pid = 6908] [serial = 138] [outer = 0000000000000000]
[task 2020-07-13T18:03:59.765Z] 18:03:59 INFO - GECKO(7512) | [Child 6908: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 8 (000001760EB23C00) [pid = 6908] [serial = 139] [outer = 00000176099CCF10]
[task 2020-07-13T18:03:59.826Z] 18:03:59 INFO - GECKO(7512) | [Child 6908: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 9 (000001760EB2B800) [pid = 6908] [serial = 140] [outer = 00000176099CCF10]
[task 2020-07-13T18:03:59.826Z] 18:03:59 INFO - GECKO(7512) | [Child 6040: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 12 (000001643D2F9BC0) [pid = 6040] [serial = 721] [outer = 0000000000000000] [url = moz-extension://c2cb9c7d-e8ec-4a24-82d3-7bffe800c86a/devtools_page.html]
[task 2020-07-13T18:03:59.844Z] 18:03:59 INFO - GECKO(7512) | [Parent 8040, Main Thread] WARNING: 'aOwner->IsDiscarded()', file /builds/worker/workspace/obj-build/dist/include/mozilla/dom/SyncedContextInlines.h, line 37
[task 2020-07-13T18:04:00.035Z] 18:04:00 INFO - GECKO(7512) | [Child 3520: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 18 (0000014419069000) [pid = 3520] [serial = 126] [outer = 0000000000000000] [url = http://mochi.test:8888/browser/browser/components/extensions/test/browser//file_inspectedwindow_reload_target.sjs?test=user-agent]
[task 2020-07-13T18:04:00.036Z] 18:04:00 INFO - GECKO(7512) | [Child 3520: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 17 (0000014419069C00) [pid = 3520] [serial = 129] [outer = 0000000000000000] [url = http://mochi.test:8888/browser/browser/components/extensions/test/browser//file_inspectedwindow_reload_target.sjs?test=injected-script&frames=3]
[task 2020-07-13T18:04:00.036Z] 18:04:00 INFO - GECKO(7512) | [Child 3520: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 16 (00000144190F5C00) [pid = 3520] [serial = 131] [outer = 0000000000000000] [url = http://mochi.test:8888/browser/browser/components/extensions/test/browser//file_inspectedwindow_reload_target.sjs?test=injected-script&frames=2]
[task 2020-07-13T18:04:00.036Z] 18:04:00 INFO - GECKO(7512) | [Child 3520: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 15 (000001441929E400) [pid = 3520] [serial = 133] [outer = 0000000000000000] [url = http://mochi.test:8888/browser/browser/components/extensions/test/browser//file_inspectedwindow_reload_target.sjs?test=injected-script&frames=1]
[task 2020-07-13T18:04:00.037Z] 18:04:00 INFO - GECKO(7512) | [Child 3520: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 14 (000001441003F800) [pid = 3520] [serial = 135] [outer = 0000000000000000] [url = http://mochi.test:8888/browser/browser/components/extensions/test/browser//file_inspectedwindow_reload_target.sjs?test=injected-script&frames=0]
[task 2020-07-13T18:04:00.037Z] 18:04:00 INFO - GECKO(7512) | [Child 3520: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 13 (0000014419060400) [pid = 3520] [serial = 136] [outer = 0000000000000000] [url = http://mochi.test:8888/browser/browser/components/extensions/test/browser//file_inspectedwindow_reload_target.sjs?test=injected-script&frames=3]
[task 2020-07-13T18:04:00.037Z] 18:04:00 INFO - GECKO(7512) | [Child 3520: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 12 (0000014419068C00) [pid = 3520] [serial = 138] [outer = 0000000000000000] [url = about:blank]
[task 2020-07-13T18:04:00.037Z] 18:04:00 INFO - GECKO(7512) | [Child 3520: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 11 (000001441AB84400) [pid = 3520] [serial = 140] [outer = 0000000000000000] [url = about:blank]
[task 2020-07-13T18:04:00.038Z] 18:04:00 INFO - GECKO(7512) | [Child 3520: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 10 (000001441AB89800) [pid = 3520] [serial = 142] [outer = 0000000000000000] [url = about:blank]
[task 2020-07-13T18:04:00.038Z] 18:04:00 INFO - GECKO(7512) | [Child 3520: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 0000014418939000 == 4 [pid = 3520] [id = {2cb7b7cc-4835-44a2-a6ed-a3e961f60021}] [url = http://mochi.test:8888/browser/browser/components/extensions/test/browser//file_inspectedwindow_reload_target.sjs?test=injected-script&frames=3]
[task 2020-07-13T18:04:00.038Z] 18:04:00 INFO - GECKO(7512) | [Child 3520: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 0000014416A19800 == 3 [pid = 3520] [id = {af4d5a3a-d90c-48f3-891f-780229c64b93}] [url = http://mochi.test:8888/browser/browser/components/extensions/test/browser//file_inspectedwindow_reload_target.sjs?test=injected-script&frames=2]
[task 2020-07-13T18:04:00.038Z] 18:04:00 INFO - GECKO(7512) | [Child 3520: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 000001441929E800 == 2 [pid = 3520] [id = {f55ddb4d-5124-4e2e-b2d2-c98beeda94db}] [url = http://mochi.test:8888/browser/browser/components/extensions/test/browser//file_inspectedwindow_reload_target.sjs?test=injected-script&frames=1]
[task 2020-07-13T18:04:00.038Z] 18:04:00 INFO - GECKO(7512) | [Child 3520: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 000001441AB82800 == 1 [pid = 3520] [id = {45bb716f-096a-4533-8ce8-ef275215a725}] [url = http://mochi.test:8888/browser/browser/components/extensions/test/browser//file_inspectedwindow_reload_target.sjs?test=injected-script&frames=0]
[task 2020-07-13T18:04:00.203Z] 18:04:00 INFO - GECKO(7512) | [Child 3520: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 9 (00000144166C4FB0) [pid = 3520] [serial = 144] [outer = 0000000000000000] [url = http://mochi.test:8888/browser/browser/components/extensions/test/browser//file_inspectedwindow_reload_target.sjs?test=injected-script&frames=2]
[task 2020-07-13T18:04:00.203Z] 18:04:00 INFO - GECKO(7512) | [Child 3520: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 8 (00000144166C5520) [pid = 3520] [serial = 146] [outer = 0000000000000000] [url = http://mochi.test:8888/browser/browser/components/extensions/test/browser//file_inspectedwindow_reload_target.sjs?test=injected-script&frames=1]
[task 2020-07-13T18:04:00.203Z] 18:04:00 INFO - GECKO(7512) | [Child 3520: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 7 (00000144166C5A90) [pid = 3520] [serial = 148] [outer = 0000000000000000] [url = http://mochi.test:8888/browser/browser/components/extensions/test/browser//file_inspectedwindow_reload_target.sjs?test=injected-script&frames=0]
[task 2020-07-13T18:04:00.317Z] 18:04:00 INFO - GECKO(7512) | [Child 6908: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 10 (000001760ECA7000) [pid = 6908] [serial = 141] [outer = 00000176099CCF10]
[task 2020-07-13T18:04:00.512Z] 18:04:00 INFO - GECKO(7512) | [Parent 8040, Main Thread] WARNING: NS_ENSURE_TRUE(mPresShell) failed: file /builds/worker/checkouts/gecko/layout/generic/nsFrameSelection.cpp, line 1605
[task 2020-07-13T18:04:03.336Z] 18:04:03 INFO - GECKO(7512) | [Parent 8040: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 59 (000001B0A299D800) [pid = 8040] [serial = 277] [outer = 0000000000000000] [url = about:blank]
[task 2020-07-13T18:04:03.336Z] 18:04:03 INFO - GECKO(7512) | [Parent 8040: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 58 (000001B09A82DC00) [pid = 8040] [serial = 281] [outer = 0000000000000000] [url = about:blank]
[task 2020-07-13T18:04:03.336Z] 18:04:03 INFO - GECKO(7512) | [Parent 8040: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 57 (000001B09DA37400) [pid = 8040] [serial = 268] [outer = 0000000000000000] [url = about:blank]
[task 2020-07-13T18:04:03.336Z] 18:04:03 INFO - GECKO(7512) | [Parent 8040: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 000001B09E3B1000 == 19 [pid = 8040] [id = {9846e322-ca69-49f8-af71-1028da3268d5}] [url = about:blank]
[task 2020-07-13T18:04:03.354Z] 18:04:03 INFO - GECKO(7512) | [Parent 8040: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 000001B0995E2400 == 18 [pid = 8040] [id = {db95236a-fa89-47c2-958b-a2e6b6b65cfb}] [url = about:blank]
[task 2020-07-13T18:04:03.825Z] 18:04:03 INFO - GECKO(7512) | [Child 6040: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 000001643FCCF800 == 3 [pid = 6040] [id = {63ff8063-4dc2-4e11-b108-b97dc35c01c2}] [url = moz-extension://e09a77d2-329d-4ba6-98b0-98a6234f1bb3/devtools_page.html]
[task 2020-07-13T18:04:03.866Z] 18:04:03 INFO - GECKO(7512) | [Parent 8040, Main Thread] WARNING: NS_ENSURE_TRUE(!mHasOrHasHadOwnerWindow || mOwnerWindow) failed: file /builds/worker/checkouts/gecko/dom/events/DOMEventTargetHelper.cpp, line 291
[task 2020-07-13T18:04:03.866Z] 18:04:03 INFO - GECKO(7512) | [Parent 8040, Main Thread] WARNING: NS_ENSURE_TRUE(!mHasOrHasHadOwnerWindow || mOwnerWindow) failed: file /builds/worker/checkouts/gecko/dom/events/DOMEventTargetHelper.cpp, line 291
[task 2020-07-13T18:04:03.871Z] 18:04:03 INFO - GECKO(7512) | [Parent 8040, Main Thread] WARNING: NS_ENSURE_TRUE(!mHasOrHasHadOwnerWindow || mOwnerWindow) failed: file /builds/worker/checkouts/gecko/dom/events/DOMEventTargetHelper.cpp, line 291
[task 2020-07-13T18:04:03.871Z] 18:04:03 INFO - GECKO(7512) | [Parent 8040, Main Thread] WARNING: NS_ENSURE_TRUE(!mHasOrHasHadOwnerWindow || mOwnerWindow) failed: file /builds/worker/checkouts/gecko/dom/events/DOMEventTargetHelper.cpp, line 291
[task 2020-07-13T18:04:03.890Z] 18:04:03 INFO - GECKO(7512) | [Child 6040: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 11 (000001643FCDBC00) [pid = 6040] [serial = 725] [outer = 0000000000000000] [url = about:blank]
[task 2020-07-13T18:04:03.890Z] 18:04:03 INFO - GECKO(7512) | [Child 6040: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 10 (0000016442354400) [pid = 6040] [serial = 723] [outer = 0000000000000000] [url = moz-extension://c2cb9c7d-e8ec-4a24-82d3-7bffe800c86a/devtools_page.html]
[task 2020-07-13T18:04:03.908Z] 18:04:03 INFO - GECKO(7512) | [Parent 8040, Main Thread] WARNING: '!inner', file /builds/worker/checkouts/gecko/dom/ipc/jsactor/JSWindowActorProtocol.cpp, line 172
[task 2020-07-13T18:04:03.908Z] 18:04:03 INFO - GECKO(7512) | [Parent 8040, Main Thread] WARNING: '!inner', file /builds/worker/checkouts/gecko/dom/ipc/jsactor/JSWindowActorProtocol.cpp, line 172
[task 2020-07-13T18:04:04.026Z] 18:04:04 INFO - GECKO(7512) | [Child 6040: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 9 (000001643D2F8B70) [pid = 6040] [serial = 718] [outer = 0000000000000000] [url = moz-extension://c2cb9c7d-e8ec-4a24-82d3-7bffe800c86a/_generated_background_page.html]
[task 2020-07-13T18:04:04.086Z] 18:04:04 INFO - GECKO(7512) | [Parent 8040: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 000001B09ED75C00 == 17 [pid = 8040] [id = {e5b89120-f573-4454-9f39-77bdf921b3d0}] [url = about:blank]
[task 2020-07-13T18:04:04.165Z] 18:04:04 INFO - GECKO(7512) | JavaScript error: resource://devtools/shared/protocol/Front.js, line 77: Error: Connection closed, pending request to server0.conn17.child6/consoleActor2, type startListeners failed
[task 2020-07-13T18:04:04.165Z] 18:04:04 INFO - GECKO(7512) | Request stack:
[task 2020-07-13T18:04:04.165Z] 18:04:04 INFO - GECKO(7512) | request@resource://devtools/shared/protocol/Front.js:256:14
[task 2020-07-13T18:04:04.165Z] 18:04:04 INFO - GECKO(7512) | generateRequestMethods/</frontProto[name]@resource://devtools/shared/protocol/Front/FrontClassWithSpec.js:47:19
[task 2020-07-13T18:04:04.165Z] 18:04:04 INFO - GECKO(7512) | startListeners@resource://devtools/client/fronts/webconsole.js:417:34
[task 2020-07-13T18:04:04.166Z] 18:04:04 INFO - GECKO(7512) | module.exports@resource://devtools/shared/resources/legacy-listeners/network-events.js:141:19
[task 2020-07-13T18:04:04.171Z] 18:04:04 INFO - TEST-INFO | started process screenshot
[task 2020-07-13T18:04:04.234Z] 18:04:04 INFO - TEST-INFO | screenshot: exit 0
[task 2020-07-13T18:04:04.235Z] 18:04:04 INFO - Buffered messages logged at 18:03:56
[task 2020-07-13T18:04:04.235Z] 18:04:04 INFO - Entering test bound
[task 2020-07-13T18:04:04.236Z] 18:04:04 INFO - Buffered messages logged at 18:03:57
[task 2020-07-13T18:04:04.236Z] 18:04:04 INFO - Console message: [JavaScript Error: "The character encoding of the HTML document was not declared. The document will render with garbled text in some browser configurations if the document contains characters from outside the US-ASCII range. The character encoding of the page must be declared in the document or in the transfer protocol." {file: "data:text/html,<title>content process page</title>" line: 0}]
[task 2020-07-13T18:04:04.237Z] 18:04:04 INFO - Extension loaded
[task 2020-07-13T18:04:04.237Z] 18:04:04 INFO - Console message: Warning: attempting to write 11689 bytes to preference extensions.webextensions.uuids. This is bad for general performance and memory usage. Such an amount of data should rather be written to an external file. This preference will not be sent to any content processes.
[task 2020-07-13T18:04:04.238Z] 18:04:04 INFO - Open the developer toolbox
[task 2020-07-13T18:04:04.238Z] 18:04:04 INFO - Registering testBlankPanel tool to the developer tools
[task 2020-07-13T18:04:04.239Z] 18:04:04 INFO - Buffered messages logged at 18:03:58
[task 2020-07-13T18:04:04.239Z] 18:04:04 INFO - Developer toolbox opened on panel "testBlankPanel" for target {}
[task 2020-07-13T18:04:04.239Z] 18:04:04 INFO - Wait the devtools page load
[task 2020-07-13T18:04:04.240Z] 18:04:04 INFO - Check whether inspectedWindow works on content process page
[task 2020-07-13T18:04:04.240Z] 18:04:04 INFO - Console message: [JavaScript Error: "The character encoding of the HTML document was not declared. The document will render with garbled text in some browser configurations if the document contains characters from outside the US-ASCII range. The character encoding of the page must be declared in the document or in the transfer protocol." {file: "data:text/html,<title>content process page</title>" line: 0}]
[task 2020-07-13T18:04:04.240Z] 18:04:04 INFO - TEST-PASS | browser/components/extensions/test/browser/browser_ext_devtools_inspectedWindow_targetSwitch.js | inspectedWindow works correctly -
[task 2020-07-13T18:04:04.241Z] 18:04:04 INFO - Navigate to a page running on main process
[task 2020-07-13T18:04:04.241Z] 18:04:04 INFO - Buffered messages logged at 18:03:59
[task 2020-07-13T18:04:04.242Z] 18:04:04 INFO - TEST-PASS | browser/components/extensions/test/browser/browser_ext_devtools_inspectedWindow_targetSwitch.js | inspectWindow.tabId is not changed even when navigating to a page running on another process. -
[task 2020-07-13T18:04:04.242Z] 18:04:04 INFO - Check whether inspectedWindow works on main process page
[task 2020-07-13T18:04:04.242Z] 18:04:04 INFO - TEST-PASS | browser/components/extensions/test/browser/browser_ext_devtools_inspectedWindow_targetSwitch.js | inspectedWindow works correctly -
[task 2020-07-13T18:04:04.242Z] 18:04:04 INFO - Return to a page running on content process again
[task 2020-07-13T18:04:04.242Z] 18:04:04 INFO - Console message: [JavaScript Error: "The character encoding of the HTML document was not declared. The document will render with garbled text in some browser configurations if the document contains characters from outside the US-ASCII range. The character encoding of the page must be declared in the document or in the transfer protocol." {file: "data:text/html,<title>content process page</title>" line: 0}]
[task 2020-07-13T18:04:04.242Z] 18:04:04 INFO - Buffered messages logged at 18:04:00
[task 2020-07-13T18:04:04.243Z] 18:04:04 INFO - TEST-PASS | browser/components/extensions/test/browser/browser_ext_devtools_inspectedWindow_targetSwitch.js | inspectWindow.tabId is not changed even when navigating to a page running on another process. -
[task 2020-07-13T18:04:04.243Z] 18:04:04 INFO - Check whether inspectedWindow works again
[task 2020-07-13T18:04:04.243Z] 18:04:04 INFO - TEST-PASS | browser/components/extensions/test/browser/browser_ext_devtools_inspectedWindow_targetSwitch.js | inspectedWindow works correctly -
[task 2020-07-13T18:04:04.243Z] 18:04:04 INFO - Console message: [JavaScript Error: "The character encoding of the HTML document was not declared. The document will render with garbled text in some browser configurations if the document contains characters from outside the US-ASCII range. The character encoding of the page must be declared in the document or in the transfer protocol." {file: "data:text/html,<title>content process page</title>" line: 0}]
[task 2020-07-13T18:04:04.244Z] 18:04:04 INFO - Buffered messages logged at 18:04:03
[task 2020-07-13T18:04:04.244Z] 18:04:04 INFO - Developer toolbox closed for target {}
[task 2020-07-13T18:04:04.244Z] 18:04:04 INFO - Leaving test bound
[task 2020-07-13T18:04:04.244Z] 18:04:04 INFO - Buffered messages finished
[task 2020-07-13T18:04:04.245Z] 18:04:04 INFO - TEST-UNEXPECTED-FAIL | browser/components/extensions/test/browser/browser_ext_devtools_inspectedWindow_targetSwitch.js | A promise chain failed to handle a rejection: Connection closed, pending request to server0.conn17.child6/consoleActor2, type startListeners failed

Set release status flags based on info from the regressing bug 1649910

This doesn't seem to reproduce anymore given data from orangefactor?