Bug: Intermittent browser/components/customizableui/test/browser_proton_moreTools_panel.js | single tracking bug
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2022-09-23 03:47:20+00:00
Resolved: 2022-10-25 17:03:14+00:00

**Filed by:** ctuns [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=391250311&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/Us3tn4P3S6yFhKZwjwPlzA/runs/0/artifacts/public/logs/live_backing.log

---
```
[task 2022-09-23T02:15:23.316Z] 02:15:23     INFO - TEST-START | browser/components/customizableui/test/browser_proton_moreTools_panel.js
[task 2022-09-23T02:15:23.332Z] 02:15:23     INFO - GECKO(7440) | [Parent 3880: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 26b7c000 == 11 [pid = 3880] [id = 171]
[task 2022-09-23T02:15:23.332Z] 02:15:23     INFO - GECKO(7440) | [Parent 3880: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 39 (14803670) [pid = 3880] [serial = 362] [outer = 0]
[task 2022-09-23T02:15:23.333Z] 02:15:23     INFO - GECKO(7440) | [Parent 3880: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 40 (2af3f300) [pid = 3880] [serial = 363] [outer = 14803670]
[task 2022-09-23T02:15:23.337Z] 02:15:23     INFO - GECKO(7440) | [Parent 3880, Main Thread] WARNING: NS_ENSURE_TRUE(uri) failed: file /builds/worker/checkouts/gecko/caps/BasePrincipal.cpp:1378
[task 2022-09-23T02:15:23.454Z] 02:15:23     INFO - GECKO(7440) | [Parent 3880: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 2df44600 == 12 [pid = 3880] [id = 172]
[task 2022-09-23T02:15:23.467Z] 02:15:23     INFO - GECKO(7440) | [Parent 3880: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 41 (2ba08bd0) [pid = 3880] [serial = 364] [outer = 0]
[task 2022-09-23T02:15:23.468Z] 02:15:23     INFO - GECKO(7440) | [Parent 3880: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 42 (2e2b0d00) [pid = 3880] [serial = 365] [outer = 2ba08bd0]
[task 2022-09-23T02:15:23.495Z] 02:15:23     INFO - GECKO(7440) | [Child 1700: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL a44e400 == 3 [pid = 1700] [id = 83]
[task 2022-09-23T02:15:23.506Z] 02:15:23     INFO - GECKO(7440) | [Child 1700: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 7 (54b0ac0) [pid = 1700] [serial = 183] [outer = 0]
[task 2022-09-23T02:15:23.507Z] 02:15:23     INFO - GECKO(7440) | [Child 1700: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 8 (a4ebd00) [pid = 1700] [serial = 184] [outer = 54b0ac0]
[task 2022-09-23T02:15:23.573Z] 02:15:23     INFO - GECKO(7440) | [Parent 3880, Main Thread] WARNING: '!CanHandleWith(aPresContext)', file /builds/worker/checkouts/gecko/dom/events/IMEStateManager.cpp:498
[task 2022-09-23T02:15:23.580Z] 02:15:23     INFO - GECKO(7440) | [Child 5300, Main Thread] WARNING: '!CanHandleWith(aPresContext)', file /builds/worker/checkouts/gecko/dom/events/IMEStateManager.cpp:498
[task 2022-09-23T02:15:23.591Z] 02:15:23     INFO - GECKO(7440) | [Parent 3880, Main Thread] WARNING: NS_ENSURE_TRUE(mPresShell) failed: file /builds/worker/checkouts/gecko/layout/generic/nsFrameSelection.cpp:1600
[task 2022-09-23T02:15:23.629Z] 02:15:23     INFO - GECKO(7440) | 1663899323644	Marionette	TRACE	Received observer notification browser-delayed-startup-finished
[task 2022-09-23T02:15:23.647Z] 02:15:23     INFO - GECKO(7440) | [Parent 3880, Cache2 I/O] WARNING: This API is lossy. Use GetTarget !: file /builds/worker/checkouts/gecko/xpcom/io/nsLocalFileWin.cpp:3552
[task 2022-09-23T02:15:23.647Z] 02:15:23     INFO - GECKO(7440) | [Parent 3880, Cache2 I/O] WARNING: This API is lossy. Use GetTarget !: file /builds/worker/checkouts/gecko/xpcom/io/nsLocalFileWin.cpp:3552
[task 2022-09-23T02:15:23.659Z] 02:15:23     INFO - GECKO(7440) | [Child 1700: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 9 (a4ed800) [pid = 1700] [serial = 185] [outer = 54b0ac0]
[task 2022-09-23T02:15:23.707Z] 02:15:23     INFO - GECKO(7440) | ### XPCOM_MEM_BLOAT_LOG defined -- logging bloat/leaks to C:\Users\task_166389859211777\AppData\Local\Temp\tmpk7_9oy05.mozrunner\runtests_leaks.log
[task 2022-09-23T02:15:23.712Z] 02:15:23     INFO - GECKO(7440) | [7552, Main Thread] WARNING: XPCOM_MEM_BLOAT_LOG is set, disabling native allocations.: file /builds/worker/checkouts/gecko/tools/profiler/core/platform.cpp:339
[task 2022-09-23T02:15:23.713Z] 02:15:23     INFO - GECKO(7440) | *** You are running in background task mode. ***
[task 2022-09-23T02:15:23.715Z] 02:15:23     INFO - GECKO(7440) | *** You are running in headless mode.
[task 2022-09-23T02:15:23.721Z] 02:15:23     INFO - GECKO(7440) | [7552, Main Thread] WARNING: ShouldNotProcessUpdates(): NotAnUpdatingTask: file /builds/worker/checkouts/gecko/toolkit/xre/nsAppRunner.cpp:4596
[task 2022-09-23T02:15:23.764Z] 02:15:23     INFO - GECKO(7440) | [Child 6432: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL c2e4700 == 2 [pid = 6432] [id = 19]
[task 2022-09-23T02:15:23.767Z] 02:15:23     INFO - GECKO(7440) | [Child 6432: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 3 (a3b6020) [pid = 6432] [serial = 54] [outer = 0]
[task 2022-09-23T02:15:23.768Z] 02:15:23     INFO - GECKO(7440) | [Child 6432: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 4 (c9d8800) [pid = 6432] [serial = 55] [outer = a3b6020]
[task 2022-09-23T02:15:23.780Z] 02:15:23     INFO - GECKO(7440) | [Child 6432: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 5 (10d4ef00) [pid = 6432] [serial = 56] [outer = a3b6020]
[task 2022-09-23T02:15:23.886Z] 02:15:23     INFO - GECKO(7440) | [Parent 7552, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, rv) failed with result 0x80520012 (NS_ERROR_FILE_NOT_FOUND): file /builds/worker/checkouts/gecko/js/loader/ModuleLoaderBase.cpp:418
[task 2022-09-23T02:15:23.888Z] 02:15:23     INFO - GECKO(7440) | [Parent 7552, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, rv) failed with result 0x80520012 (NS_ERROR_FILE_NOT_FOUND): file /builds/worker/checkouts/gecko/js/xpconnect/loader/mozJSModuleLoader.cpp:1570
[task 2022-09-23T02:15:23.889Z] 02:15:23     INFO - GECKO(7440) | console.error: "C:\\Users\\task_166389859211777\\AppData\\Local\\Temp\\tmpk7_9oy05.mozrunner" "" 0 ".purge.bg_rm"
[task 2022-09-23T02:15:23.923Z] 02:15:23     INFO - GECKO(7440) | [Parent 7552, Main Thread] WARNING: Extra shutdown CC: 'i < NORMAL_SHUTDOWN_COLLECTIONS', file /builds/worker/checkouts/gecko/xpcom/base/nsCycleCollector.cpp:3359
[task 2022-09-23T02:15:23.931Z] 02:15:23     INFO - GECKO(7440) | [Parent 7552, Main Thread] WARNING: NS_ENSURE_TRUE(InitStaticMembers()) failed: file /builds/worker/workspace/obj-build/dist/include/mozilla/Preferences.h:129
[task 2022-09-23T02:15:23.938Z] 02:15:23     INFO - GECKO(7440) | [Parent 7552, Main Thread] WARNING: OOPDeinit() without successful OOPInit(): file /builds/worker/checkouts/gecko/toolkit/crashreporter/nsExceptionHandler.cpp:3398
[task 2022-09-23T02:15:23.938Z] 02:15:23     INFO - GECKO(7440) | [Parent 7552, Main Thread] WARNING: NS_ENSURE_TRUE(Preferences::InitStaticMembers()) failed: file /builds/worker/checkouts/gecko/modules/libpref/Preferences.cpp:4630
[task 2022-09-23T02:15:24.355Z] 02:15:24     INFO - GECKO(7440) | [Child 1700: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL a44b400 == 2 [pid = 1700] [id = 81] [url = about:blank]
[task 2022-09-23T02:15:24.357Z] 02:15:24     INFO - GECKO(7440) | [Child 1700: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL a44cf00 == 1 [pid = 1700] [id = 82] [url = about:blank]
[task 2022-09-23T02:15:24.369Z] 02:15:24     INFO - GECKO(7440) | [Child 1700: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 8 (54b0130) [pid = 1700] [serial = 177] [outer = 0] [url = about:blank]
[task 2022-09-23T02:15:24.372Z] 02:15:24     INFO - GECKO(7440) | [Child 1700: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 7 (54b08a0) [pid = 1700] [serial = 179] [outer = 0] [url = about:blank]
[task 2022-09-23T02:15:24.372Z] 02:15:24     INFO - GECKO(7440) | [Child 1700: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 6 (54b09b0) [pid = 1700] [serial = 181] [outer = 0] [url = about:blank]
[task 2022-09-23T02:15:24.702Z] 02:15:24     INFO - GECKO(7440) | [2022-09-23T02:15:24Z WARN  webrender::renderer::init] asking to enable_gpu_markers but no supporting extension was found
[task 2022-09-23T02:15:24.708Z] 02:15:24     INFO - GECKO(7440) | [Parent 3880, Main Thread] WARNING: Could not get window class style: file /builds/worker/checkouts/gecko/widget/windows/nsWindow.cpp:7650
[task 2022-09-23T02:15:24.914Z] 02:15:24     INFO - GECKO(7440) | [Parent 3880: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 41 (2af3e700) [pid = 3880] [serial = 295] [outer = 0] [url = about:blank]
[task 2022-09-23T02:15:24.918Z] 02:15:24     INFO - GECKO(7440) | [Parent 3880: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 40 (25dcc600) [pid = 3880] [serial = 289] [outer = 0] [url = about:blank]
[task 2022-09-23T02:15:24.919Z] 02:15:24     INFO - GECKO(7440) | [Parent 3880: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 39 (2af9df00) [pid = 3880] [serial = 281] [outer = 0] [url = about:blank]
[task 2022-09-23T02:15:24.919Z] 02:15:24     INFO - GECKO(7440) | [Parent 3880: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 38 (239fca00) [pid = 3880] [serial = 285] [outer = 0] [url = about:blank]
[task 2022-09-23T02:15:24.920Z] 02:15:24     INFO - GECKO(7440) | [Parent 3880: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 37 (32d62900) [pid = 3880] [serial = 357] [outer = 0] [url = about:blank]
[task 2022-09-23T02:15:24.921Z] 02:15:24     INFO - GECKO(7440) | [Parent 3880: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 36 (2c5f4700) [pid = 3880] [serial = 340] [outer = 0] [url = about:blank]
[task 2022-09-23T02:15:24.922Z] 02:15:24     INFO - GECKO(7440) | [Parent 3880: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 35 (245af800) [pid = 3880] [serial = 332] [outer = 0] [url = about:blank]
[task 2022-09-23T02:15:24.922Z] 02:15:24     INFO - GECKO(7440) | [Parent 3880: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 34 (2af1f600) [pid = 3880] [serial = 336] [outer = 0] [url = about:blank]
[task 2022-09-23T02:15:24.923Z] 02:15:24     INFO - GECKO(7440) | [Parent 3880: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 33 (245afb00) [pid = 3880] [serial = 326] [outer = 0] [url = about:blank]
[task 2022-09-23T02:15:24.923Z] 02:15:24     INFO - GECKO(7440) | [Parent 3880: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 32 (31605d00) [pid = 3880] [serial = 320] [outer = 0] [url = about:blank]
[task 2022-09-23T02:15:24.924Z] 02:15:24     INFO - GECKO(7440) | [Parent 3880: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 31 (2cc6bd00) [pid = 3880] [serial = 304] [outer = 0] [url = about:blank]
[task 2022-09-23T02:15:24.924Z] 02:15:24     INFO - GECKO(7440) | [Parent 3880: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 30 (31bf9500) [pid = 3880] [serial = 353] [outer = 0] [url = about:blank]
[task 2022-09-23T02:15:24.925Z] 02:15:24     INFO - GECKO(7440) | [Parent 3880: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 29 (2e2b3d00) [pid = 3880] [serial = 349] [outer = 0] [url = about:blank]
[task 2022-09-23T02:15:25.891Z] 02:15:25     INFO - GECKO(7440) | [Child 5300: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 2 (ee41100) [pid = 5300] [serial = 181] [outer = 0] [url = about:blank]
[task 2022-09-23T02:15:25.892Z] 02:15:25     INFO - GECKO(7440) | [Child 5300: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL c88ea00 == 1 [pid = 5300] [id = 81] [url = about:blank]
[task 2022-09-23T02:15:26.051Z] 02:15:26     INFO - GECKO(7440) | [Child 4124: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 5 (c36f100) [pid = 4124] [serial = 32] [outer = 0] [url = about:blank]
[task 2022-09-23T02:15:26.053Z] 02:15:26     INFO - GECKO(7440) | [Child 4124: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 4 (c3be200) [pid = 4124] [serial = 38] [outer = 0] [url = about:blank]
[task 2022-09-23T02:15:26.054Z] 02:15:26     INFO - GECKO(7440) | [Child 4124: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 3 (a4ee800) [pid = 4124] [serial = 31] [outer = 0] [url = about:blank]
[task 2022-09-23T02:15:26.054Z] 02:15:26     INFO - GECKO(7440) | [Child 4124: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 2 (c3bc700) [pid = 4124] [serial = 37] [outer = 0] [url = about:blank]
[task 2022-09-23T02:15:26.055Z] 02:15:26     INFO - GECKO(7440) | [Child 4124: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 1 (c370c00) [pid = 4124] [serial = 34] [outer = 0] [url = about:blank]
[task 2022-09-23T02:15:26.056Z] 02:15:26     INFO - GECKO(7440) | [Child 4124: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 0 (c372700) [pid = 4124] [serial = 35] [outer = 0] [url = about:blank]
[task 2022-09-23T02:15:28.477Z] 02:15:28     INFO - GECKO(7440) | [Child 1700: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 5 (a44c000) [pid = 1700] [serial = 178] [outer = 0] [url = about:blank]
[task 2022-09-23T02:15:28.479Z] 02:15:28     INFO - GECKO(7440) | [Child 1700: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 4 (a44c900) [pid = 1700] [serial = 180] [outer = 0] [url = about:blank]
[task 2022-09-23T02:15:28.479Z] 02:15:28     INFO - GECKO(7440) | [Child 1700: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 3 (a4ebd00) [pid = 1700] [serial = 184] [outer = 0] [url = about:blank]
[task 2022-09-23T02:15:28.480Z] 02:15:28     INFO - GECKO(7440) | [Child 1700: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 2 (a44de00) [pid = 1700] [serial = 182] [outer = 0] [url = about:blank]
[task 2022-09-23T02:15:29.262Z] 02:15:29     INFO - GECKO(7440) | [Parent 3880: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 26992700 == 11 [pid = 3880] [id = 162] [url = chrome://global/content/commonDialog.xhtml]
[task 2022-09-23T02:15:29.265Z] 02:15:29     INFO - GECKO(7440) | [Parent 3880: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 2b2e4100 == 10 [pid = 3880] [id = 169] [url = chrome://browser/content/browser.xhtml]
[task 2022-09-23T02:15:29.265Z] 02:15:29     INFO - GECKO(7440) | [Parent 3880: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 22b02400 == 9 [pid = 3880] [id = 163] [url = chrome://browser/content/browser.xhtml]
[task 2022-09-23T02:15:29.266Z] 02:15:29     INFO - GECKO(7440) | [Parent 3880: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 245a9d00 == 8 [pid = 3880] [id = 165] [url = chrome://browser/content/browser.xhtml]
[task 2022-09-23T02:15:29.266Z] 02:15:29     INFO - GECKO(7440) | [Parent 3880: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 26992d00 == 7 [pid = 3880] [id = 167] [url = chrome://browser/content/browser.xhtml]
[task 2022-09-23T02:15:32.276Z] 02:15:32     INFO - GECKO(7440) | [Child 6432: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 4 (c9d8800) [pid = 6432] [serial = 55] [outer = 0] [url = about:blank]
[task 2022-09-23T02:15:33.354Z] 02:15:33     INFO - GECKO(7440) | [Parent 3880: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 28 (2d851020) [pid = 3880] [serial = 360] [outer = 0] [url = about:blank]
[task 2022-09-23T02:15:33.356Z] 02:15:33     INFO - GECKO(7440) | [Parent 3880: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 27 (144b5cd0) [pid = 3880] [serial = 273] [outer = 0] [url = chrome://browser/content/browser.xhtml]
[task 2022-09-23T02:15:33.356Z] 02:15:33     INFO - GECKO(7440) | [Parent 3880: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 26 (144b5230) [pid = 3880] [serial = 358] [outer = 0] [url = chrome://browser/content/browser.xhtml]
[task 2022-09-23T02:15:33.357Z] 02:15:33     INFO - GECKO(7440) | [Parent 3880: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 25 (144b48a0) [pid = 3880] [serial = 343] [outer = 0] [url = chrome://global/content/commonDialog.xhtml]
[task 2022-09-23T02:15:33.358Z] 02:15:33     INFO - GECKO(7440) | [Parent 3880: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 24 (14802460) [pid = 3880] [serial = 354] [outer = 0] [url = chrome://browser/content/browser.xhtml]
[task 2022-09-23T02:15:33.358Z] 02:15:33     INFO - GECKO(7440) | [Parent 3880: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 23 (21104cd0) [pid = 3880] [serial = 346] [outer = 0] [url = chrome://browser/content/browser.xhtml]
[task 2022-09-23T02:15:33.407Z] 02:15:33     INFO - GECKO(7440) | [Parent 3880: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 22 (14803780) [pid = 3880] [serial = 350] [outer = 0] [url = chrome://browser/content/browser.xhtml]
[task 2022-09-23T02:15:33.559Z] 02:15:33     INFO - GECKO(7440) | [Parent 3880: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 21 (26944900) [pid = 3880] [serial = 351] [outer = 0] [url = about:blank]
[task 2022-09-23T02:15:33.562Z] 02:15:33     INFO - GECKO(7440) | [Parent 3880: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 20 (237c3700) [pid = 3880] [serial = 347] [outer = 0] [url = about:blank]
[task 2022-09-23T02:15:33.563Z] 02:15:33     INFO - GECKO(7440) | [Parent 3880: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 19 (2cc6d800) [pid = 3880] [serial = 355] [outer = 0] [url = about:blank]
[task 2022-09-23T02:15:33.564Z] 02:15:33     INFO - GECKO(7440) | [Parent 3880: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 18 (2e2b3400) [pid = 3880] [serial = 345] [outer = 0] [url = chrome://global/content/commonDialog.xhtml]
[task 2022-09-23T02:15:33.564Z] 02:15:33     INFO - GECKO(7440) | [Parent 3880: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 17 (2df44000) [pid = 3880] [serial = 359] [outer = 0] [url = about:blank]
[task 2022-09-23T02:15:33.565Z] 02:15:33     INFO - GECKO(7440) | [Parent 3880: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 16 (28ae6400) [pid = 3880] [serial = 274] [outer = 0] [url = about:blank]
[task 2022-09-23T02:15:33.565Z] 02:15:33     INFO - GECKO(7440) | [Parent 3880: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 15 (340b0100) [pid = 3880] [serial = 361] [outer = 0] [url = about:blank]
[task 2022-09-23T02:15:33.568Z] 02:15:33     INFO - GECKO(7440) | [Parent 3880: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 14 (2c53e000) [pid = 3880] [serial = 344] [outer = 0] [url = about:blank]
[task 2022-09-23T02:16:23.605Z] 02:16:23     INFO - GECKO(7440) | [Parent 3880, Jump List] WARNING: NS_ENSURE_SUCCESS(rv, rv) failed with result 0x80520012 (NS_ERROR_FILE_NOT_FOUND): file /builds/worker/checkouts/gecko/widget/windows/WinUtils.cpp:1417
[task 2022-09-23T02:16:53.354Z] 02:16:53     INFO - TEST-INFO | started process screenshot
[task 2022-09-23T02:16:53.454Z] 02:16:53     INFO - TEST-INFO | screenshot: exit 0
[task 2022-09-23T02:16:53.459Z] 02:16:53     INFO - Buffered messages logged at 02:15:23
[task 2022-09-23T02:16:53.459Z] 02:16:53     INFO - Entering test bound testDevToolsPanelInToolbar
[task 2022-09-23T02:16:53.460Z] 02:16:53     INFO - Buffered messages finished
[task 2022-09-23T02:16:53.461Z] 02:16:53     INFO - TEST-UNEXPECTED-FAIL | browser/components/customizableui/test/browser_proton_moreTools_panel.js | Test timed out - 
[task 2022-09-23T02:16:53.462Z] 02:16:53     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-09-23T02:16:53.462Z] 02:16:53     INFO - TEST-UNEXPECTED-FAIL | browser/components/customizableui/test/browser_proton_moreTools_panel.js | Uncaught exception received from previously timed out test - ViewShown listener on #PanelUI-developer-tools not removed before the end of test
[task 2022-09-23T02:16:53.463Z] 02:16:53     INFO - GECKO(7440) | MEMORY STAT | vsize 1114MB | vsizeMaxContiguous 1806MB | residentFast 327MB | heapAllocated 101MB
[task 2022-09-23T02:16:53.463Z] 02:16:53     INFO - TEST-OK | browser/components/customizableui/test/browser_proton_moreTools_panel.js | took 90053ms
[task 2022-09-23T02:16:53.464Z] 02:16:53     INFO - GECKO(7440) | [Child 4124: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL a4ec700 == 1 [pid = 4124] [id = 13]
[task 2022-09-23T02:16:53.464Z] 02:16:53     INFO - GECKO(7440) | [Child 4124: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 1 (54a9130) [pid = 4124] [serial = 39] [outer = 0]
[task 2022-09-23T02:16:53.465Z] 02:16:53     INFO - GECKO(7440) | [Child 4124: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 2 (a4ee800) [pid = 4124] [serial = 40] [outer = 54a9130]
[task 2022-09-23T02:16:53.465Z] 02:16:53     INFO - checking window state
[task 2022-09-23T02:16:53.466Z] 02:16:53     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-09-23T02:16:53.466Z] 02:16:53     INFO - TEST-UNEXPECTED-FAIL | browser/components/customizableui/test/browser_proton_moreTools_panel.js | Found a browser window after previous test timed out - 
[task 2022-09-23T02:16:53.467Z] 02:16:53     INFO - GECKO(7440) | must wait for focus
[task 2022-09-23T02:16:53.467Z] 02:16:53     INFO - GECKO(7440) | [Parent 3880, Main Thread] WARNING: '!CanHandleWith(aPresContext)', file /builds/worker/checkouts/gecko/dom/events/IMEStateManager.cpp:498
[task 2022-09-23T02:16:53.491Z] 02:16:53     INFO - GECKO(7440) | [GPU 1244, Compositor] WARNING: Possibly dropping task posted to updater thread: file /builds/worker/checkouts/gecko/gfx/layers/apz/src/APZUpdater.cpp:371
[task 2022-09-23T02:16:53.502Z] 02:16:53     INFO - GECKO(7440) | [2022-09-23T02:16:53Z WARN  webrender::device::gl] Cropping texture upload Box2D((0, 0), (0, 1)) to None
[task 2022-09-23T02:16:53.509Z] 02:16:53     INFO - GECKO(7440) | [2022-09-23T02:16:53Z WARN  webrender::device::gl] Cropping texture upload Box2D((0, 0), (0, 1)) to None
[task 2022-09-23T02:16:53.510Z] 02:16:53     INFO - GECKO(7440) | [2022-09-23T02:16:53Z WARN  webrender::device::gl] Cropping texture upload Box2D((0, 0), (0, 1)) to None
[task 2022-09-23T02:16:53.514Z] 02:16:53     INFO - TEST-START | browser/components/customizableui/test/browser_proton_toolbar_hide_toolbarbuttons.js
```