Bug: Intermittent browser/components/customizableui/test/browser_widget_animation.js | Test timed out -
Status: RESOLVED
Priority: P5
Resolution: DUPLICATE
Created: 2020-05-21 19:13:47+00:00
Resolved: 2020-05-25 06:35:51+00:00

**Filed by:** btara [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer.html#?job_id=303253392&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/RWY4lqx_QaWcELnJc5swiQ/runs/0/artifacts/public/logs/live_backing.log

---

```
[task 2020-05-21T18:34:56.514Z] 18:34:56     INFO - TEST-START | browser/components/customizableui/test/browser_widget_animation.js
[task 2020-05-21T18:34:57.122Z] 18:34:57     INFO - GECKO(2738) | [Child 2743: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 11 (0x14a496800) [pid = 2743] [serial = 256] [outer = 0x0] [url = about:blank]
[task 2020-05-21T18:34:57.122Z] 18:34:57     INFO - GECKO(2738) | [Child 2743: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 10 (0x14e746c00) [pid = 2743] [serial = 254] [outer = 0x0] [url = about:blank]
[task 2020-05-21T18:34:57.123Z] 18:34:57     INFO - GECKO(2738) | [Child 2743: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 0x14a495400 == 1 [pid = 2743] [id = {8d967efd-1fdb-cf46-99b1-fe9277dcc8b8}] [url = https://example.com/]
[task 2020-05-21T18:34:57.123Z] 18:34:57     INFO - GECKO(2738) | [Child 2743: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 0x14a49ec00 == 0 [pid = 2743] [id = {606f8e94-11e5-a84f-9c27-8e5068f61096}] [url = about:blank]
[task 2020-05-21T18:34:57.129Z] 18:34:57     INFO - GECKO(2738) | [Child 2743: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 9 (0x118b0b6f0) [pid = 2743] [serial = 255] [outer = 0x0] [url = https://example.com/connect_another_device?context=fx_desktop_v3&entrypoint=synced-tabs&service=sync&uid=uid&email=foo%40bar.com]
[task 2020-05-21T18:34:57.960Z] 18:34:57     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 0x153ed0c00 == 18 [pid = 2738] [id = {93492388-cad3-a145-abd4-e3d8a4ed069d}] [url = about:preferences?entrypoint=synced-tabs#sync]
[task 2020-05-21T18:34:57.960Z] 18:34:57     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 0x1035c6400 == 17 [pid = 2738] [id = {e02b51ed-6424-b848-bffd-7d8a6a8905a9}] [url = about:blank]
[task 2020-05-21T18:34:57.960Z] 18:34:57     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 0x152183400 == 16 [pid = 2738] [id = {d764c375-3021-7a4e-ac1c-51ca70304e08}] [url = about:blank]
[task 2020-05-21T18:34:57.960Z] 18:34:57     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 0x11fb50c00 == 15 [pid = 2738] [id = {cfef6fd3-083d-c04e-9948-ea15a6d55446}] [url = chrome://browser/content/browser.xhtml]
[task 2020-05-21T18:34:57.960Z] 18:34:57     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 0x125881800 == 14 [pid = 2738] [id = {b2ff2be7-01ef-4047-9999-c42d297b7470}] [url = about:preferences?entrypoint=synced-tabs#sync]
[task 2020-05-21T18:34:57.960Z] 18:34:57     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 0x12339a400 == 13 [pid = 2738] [id = {15ed2e95-5c68-e443-9e9d-276f90455189}] [url = about:blank]
[task 2020-05-21T18:34:57.960Z] 18:34:57     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 0x125c2a800 == 12 [pid = 2738] [id = {8e134671-833e-044a-843a-89c31313b983}] [url = about:preferences?entrypoint=synced-tabs#sync]
[task 2020-05-21T18:34:57.961Z] 18:34:57     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 0x154b11000 == 11 [pid = 2738] [id = {082d6c02-23e1-bf44-80da-fbae9367f794}] [url = about:blank]
[task 2020-05-21T18:34:57.961Z] 18:34:57     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 0x154804400 == 10 [pid = 2738] [id = {4ce3bcf6-c60f-7c49-8df8-4334d81f4a9a}] [url = about:blank]
[task 2020-05-21T18:34:57.961Z] 18:34:57     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 0x121aa6000 == 9 [pid = 2738] [id = {731db2ff-5556-604c-9a9e-5bc80e11696f}] [url = about:preferences?entrypoint=synced-tabs#sync]
[task 2020-05-21T18:34:57.961Z] 18:34:57     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 0x126917800 == 8 [pid = 2738] [id = {5bbbd2d3-53a0-c74f-b606-ba22cf027189}] [url = about:blank]
[task 2020-05-21T18:34:57.961Z] 18:34:57     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 0x154f16400 == 7 [pid = 2738] [id = {179f965f-dbba-1140-b589-9bab6fb618d0}] [url = about:blank]
[task 2020-05-21T18:34:57.961Z] 18:34:57     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 0x11fb4dc00 == 6 [pid = 2738] [id = {3ad38361-907b-4d47-b447-6042b46292b4}] [url = about:blank]
[task 2020-05-21T18:34:58.101Z] 18:34:58     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 54 (0x15680ac00) [pid = 2738] [serial = 291] [outer = 0x0] [url = about:blank]
[task 2020-05-21T18:34:58.101Z] 18:34:58     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 53 (0x126918400) [pid = 2738] [serial = 295] [outer = 0x0] [url = about:blank]
[task 2020-05-21T18:34:58.101Z] 18:34:58     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 52 (0x1233a6c00) [pid = 2738] [serial = 293] [outer = 0x0] [url = about:blank]
[task 2020-05-21T18:34:58.101Z] 18:34:58     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 51 (0x152185c00) [pid = 2738] [serial = 296] [outer = 0x0] [url = about:blank]
[task 2020-05-21T18:34:58.102Z] 18:34:58     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 50 (0x1506a0400) [pid = 2738] [serial = 311] [outer = 0x0] [url = about:blank]
[task 2020-05-21T18:34:58.102Z] 18:34:58     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 49 (0x1521c8000) [pid = 2738] [serial = 317] [outer = 0x0] [url = about:blank]
[task 2020-05-21T18:34:58.102Z] 18:34:58     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 48 (0x1550c3c00) [pid = 2738] [serial = 316] [outer = 0x0] [url = about:blank]
[task 2020-05-21T18:34:58.102Z] 18:34:58     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 47 (0x12690c400) [pid = 2738] [serial = 309] [outer = 0x0] [url = about:blank]
[task 2020-05-21T18:34:58.102Z] 18:34:58     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 46 (0x155a1c400) [pid = 2738] [serial = 308] [outer = 0x0] [url = about:blank]
[task 2020-05-21T18:34:58.102Z] 18:34:58     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 45 (0x12778dc00) [pid = 2738] [serial = 301] [outer = 0x0] [url = about:blank]
[task 2020-05-21T18:34:58.103Z] 18:34:58     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 44 (0x1269dc400) [pid = 2738] [serial = 300] [outer = 0x0] [url = about:blank]
[task 2020-05-21T18:34:58.103Z] 18:34:58     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 43 (0x12691e400) [pid = 2738] [serial = 304] [outer = 0x0] [url = about:blank]
[task 2020-05-21T18:34:58.110Z] 18:34:58     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 42 (0x123399000) [pid = 2738] [serial = 303] [outer = 0x0] [url = about:blank]
[task 2020-05-21T18:34:58.110Z] 18:34:58     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 41 (0x152594c00) [pid = 2738] [serial = 312] [outer = 0x0] [url = about:blank]
[task 2020-05-21T18:34:58.857Z] 18:34:58     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 40 (0x11de24d90) [pid = 2738] [serial = 286] [outer = 0x0] [url = chrome://browser/content/browser.xhtml]
[task 2020-05-21T18:34:58.863Z] 18:34:58     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 39 (0x11deb6430) [pid = 2738] [serial = 294] [outer = 0x0] [url = about:preferences?entrypoint=synced-tabs#sync]
[task 2020-05-21T18:34:58.863Z] 18:34:58     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 38 (0x11f9afa90) [pid = 2738] [serial = 310] [outer = 0x0] [url = about:preferences?entrypoint=synced-tabs#sync]
[task 2020-05-21T18:34:58.863Z] 18:34:58     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 37 (0x11ed03820) [pid = 2738] [serial = 302] [outer = 0x0] [url = about:preferences?entrypoint=synced-tabs#sync]
[task 2020-05-21T18:34:58.863Z] 18:34:58     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 36 (0x128e589a0) [pid = 2738] [serial = 288] [outer = 0x0] [url = about:blank]
[task 2020-05-21T18:34:59.095Z] 18:34:59     INFO - GECKO(2738) | [Child 2747: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 0x15015d400 == 1 [pid = 2747] [id = {ceac9fc6-8799-114d-b655-e86aa49b3e35}] [url = about:blank]
[task 2020-05-21T18:34:59.163Z] 18:34:59     INFO - GECKO(2738) | [Child 2747: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 6 (0x10f80b6f0) [pid = 2747] [serial = 226] [outer = 0x0] [url = about:blank]
[task 2020-05-21T18:35:01.536Z] 18:35:01     INFO - GECKO(2738) | [Child 2743: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 8 (0x14e747400) [pid = 2743] [serial = 257] [outer = 0x0] [url = https://example.com/connect_another_device?context=fx_desktop_v3&entrypoint=synced-tabs&service=sync&uid=uid&email=foo%40bar.com]
[task 2020-05-21T18:35:01.536Z] 18:35:01     INFO - GECKO(2738) | [Child 2743: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 7 (0x14a49d800) [pid = 2743] [serial = 260] [outer = 0x0] [url = about:blank]
[task 2020-05-21T18:35:01.536Z] 18:35:01     INFO - GECKO(2738) | [Child 2743: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 6 (0x14a4a0c00) [pid = 2743] [serial = 263] [outer = 0x0] [url = about:blank]
[task 2020-05-21T18:35:01.536Z] 18:35:01     INFO - GECKO(2738) | [Child 2743: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 5 (0x14ebf5000) [pid = 2743] [serial = 264] [outer = 0x0] [url = about:blank]
[task 2020-05-21T18:35:01.536Z] 18:35:01     INFO - GECKO(2738) | [Child 2743: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 4 (0x14a497800) [pid = 2743] [serial = 259] [outer = 0x0] [url = about:blank]
[task 2020-05-21T18:35:01.565Z] 18:35:01     INFO - GECKO(2738) | [Child 2743: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 3 (0x122ce9520) [pid = 2743] [serial = 262] [outer = 0x0] [url = about:blank]
[task 2020-05-21T18:35:01.565Z] 18:35:01     INFO - GECKO(2738) | [Child 2743: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 2 (0x118b0b8c0) [pid = 2743] [serial = 258] [outer = 0x0] [url = https://example.com/]
[task 2020-05-21T18:35:03.167Z] 18:35:03     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 0x153ed8800 == 5 [pid = 2738] [id = {7ca48837-21fa-6648-ba84-9a7ca8e27c70}] [url = about:blank]
[task 2020-05-21T18:35:03.167Z] 18:35:03     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 35 (0x1568df800) [pid = 2738] [serial = 50] [outer = 0x0] [url = about:blank]
[task 2020-05-21T18:35:03.167Z] 18:35:03     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 34 (0x1500a7400) [pid = 2738] [serial = 46] [outer = 0x0] [url = about:blank]
[task 2020-05-21T18:35:03.167Z] 18:35:03     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 33 (0x127a93800) [pid = 2738] [serial = 155] [outer = 0x0] [url = about:blank]
[task 2020-05-21T18:35:03.167Z] 18:35:03     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 32 (0x153903c00) [pid = 2738] [serial = 38] [outer = 0x0] [url = about:blank]
[task 2020-05-21T18:35:03.167Z] 18:35:03     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 31 (0x127a9b000) [pid = 2738] [serial = 54] [outer = 0x0] [url = about:blank]
[task 2020-05-21T18:35:03.168Z] 18:35:03     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 30 (0x125c27000) [pid = 2738] [serial = 205] [outer = 0x0] [url = about:blank]
[task 2020-05-21T18:35:03.211Z] 18:35:03     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 29 (0x154879c00) [pid = 2738] [serial = 319] [outer = 0x0] [url = about:blank]
[task 2020-05-21T18:35:03.211Z] 18:35:03     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 28 (0x155180400) [pid = 2738] [serial = 320] [outer = 0x0] [url = about:blank]
[task 2020-05-21T18:35:03.212Z] 18:35:03     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 27 (0x15680dc00) [pid = 2738] [serial = 290] [outer = 0x0] [url = chrome://browser/content/places/historySidebar.xhtml]
[task 2020-05-21T18:35:03.212Z] 18:35:03     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 26 (0x1518d7400) [pid = 2738] [serial = 284] [outer = 0x0] [url = chrome://browser/content/places/historySidebar.xhtml]
[task 2020-05-21T18:35:03.212Z] 18:35:03     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 25 (0x150693800) [pid = 2738] [serial = 282] [outer = 0x0] [url = chrome://browser/content/places/historySidebar.xhtml]
[task 2020-05-21T18:35:03.212Z] 18:35:03     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 24 (0x12691ec00) [pid = 2738] [serial = 281] [outer = 0x0] [url = chrome://browser/content/places/bookmarksSidebar.xhtml]
[task 2020-05-21T18:35:03.212Z] 18:35:03     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 23 (0x11decc800) [pid = 2738] [serial = 8] [outer = 0x0] [url = about:blank]
[task 2020-05-21T18:35:03.212Z] 18:35:03     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 22 (0x151985800) [pid = 2738] [serial = 289] [outer = 0x0] [url = about:blank]
[task 2020-05-21T18:35:03.212Z] 18:35:03     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 21 (0x1200b4c00) [pid = 2738] [serial = 287] [outer = 0x0] [url = about:blank]
[task 2020-05-21T18:35:03.212Z] 18:35:03     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 20 (0x1269dcc00) [pid = 2738] [serial = 305] [outer = 0x0] [url = about:preferences?entrypoint=synced-tabs#sync]
[task 2020-05-21T18:35:03.212Z] 18:35:03     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 19 (0x1521c3000) [pid = 2738] [serial = 297] [outer = 0x0] [url = about:preferences?entrypoint=synced-tabs#sync]
[task 2020-05-21T18:35:03.212Z] 18:35:03     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 18 (0x152f09800) [pid = 2738] [serial = 313] [outer = 0x0] [url = about:preferences?entrypoint=synced-tabs#sync]
[task 2020-05-21T18:35:03.311Z] 18:35:03     INFO - GECKO(2738) | [Child 2747: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 5 (0x151b10000) [pid = 2747] [serial = 231] [outer = 0x0] [url = about:blank]
[task 2020-05-21T18:35:03.311Z] 18:35:03     INFO - GECKO(2738) | [Child 2747: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 4 (0x15015f000) [pid = 2747] [serial = 227] [outer = 0x0] [url = about:blank]
[task 2020-05-21T18:35:03.311Z] 18:35:03     INFO - GECKO(2738) | [Child 2747: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 3 (0x150161c00) [pid = 2747] [serial = 230] [outer = 0x0] [url = about:blank]
[task 2020-05-21T18:35:03.311Z] 18:35:03     INFO - GECKO(2738) | [Child 2747: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 2 (0x151b0f800) [pid = 2747] [serial = 228] [outer = 0x0] [url = about:blank]
[task 2020-05-21T18:35:03.621Z] 18:35:03     INFO - GECKO(2738) | [Child 2743: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 1 (0x14ebf3400) [pid = 2743] [serial = 261] [outer = 0x0] [url = https://example.com/]
[task 2020-05-21T18:35:03.621Z] 18:35:03     INFO - GECKO(2738) | [Child 2743: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 0 (0x14ebf7000) [pid = 2743] [serial = 265] [outer = 0x0] [url = about:blank]
[task 2020-05-21T18:35:07.445Z] 18:35:07     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 17 (0x125e66bc0) [pid = 2738] [serial = 322] [outer = 0x0] [url = about:blank]
[task 2020-05-21T18:35:07.446Z] 18:35:07     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 16 (0x1270cc260) [pid = 2738] [serial = 323] [outer = 0x0] [url = about:blank]
[task 2020-05-21T18:35:07.446Z] 18:35:07     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 15 (0x121323480) [pid = 2738] [serial = 326] [outer = 0x0] [url = about:blank]
[task 2020-05-21T18:35:07.446Z] 18:35:07     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 14 (0x1258b9a90) [pid = 2738] [serial = 318] [outer = 0x0] [url = about:preferences?entrypoint=synced-tabs#sync]
[task 2020-05-21T18:35:08.107Z] 18:35:08     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 13 (0x1233a2000) [pid = 2738] [serial = 325] [outer = 0x0] [url = about:blank]
[task 2020-05-21T18:35:08.108Z] 18:35:08     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 12 (0x1233a5800) [pid = 2738] [serial = 324] [outer = 0x0] [url = about:blank]
[task 2020-05-21T18:35:08.108Z] 18:35:08     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 11 (0x155a1cc00) [pid = 2738] [serial = 321] [outer = 0x0] [url = about:preferences?entrypoint=synced-tabs#sync]
[task 2020-05-21T18:35:08.108Z] 18:35:08     INFO - GECKO(2738) | [Parent 2738: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 10 (0x153ed8400) [pid = 2738] [serial = 327] [outer = 0x0] [url = about:blank]
[task 2020-05-21T18:36:26.662Z] 18:36:26     INFO - TEST-INFO | started process screencapture
[task 2020-05-21T18:36:26.850Z] 18:36:26     INFO - TEST-INFO | screencapture: exit 0
[task 2020-05-21T18:36:26.850Z] 18:36:26     INFO - Buffered messages logged at 18:34:56
[task 2020-05-21T18:36:26.850Z] 18:36:26     INFO - Entering test bound 
[task 2020-05-21T18:36:26.851Z] 18:36:26     INFO - Buffered messages finished
[task 2020-05-21T18:36:26.851Z] 18:36:26     INFO - TEST-UNEXPECTED-FAIL | browser/components/customizableui/test/browser_widget_animation.js | Test timed out - 
[task 2020-05-21T18:36:26.851Z] 18:36:26     INFO - GECKO(2738) | MEMORY STAT | vsize 7936MB | residentFast 556MB | heapAllocated 155MB
[task 2020-05-21T18:36:26.851Z] 18:36:26     INFO - TEST-OK | browser/components/customizableui/test/browser_widget_animation.js | took 90275ms
```