Bug: Intermittent TEST-UNEXPECTED-TIMEOUT | browser/base/content/test/tabs/browser_tabCloseSpacer.js | application timed out after 370 seconds with no output
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2020-08-24 18:29:47+00:00
Resolved: 2023-06-28 12:02:09+00:00

**Filed by:** malexandru [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer.html#?job_id=313857943&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/aQgZI606RnGDHCcUW10zhA/runs/0/artifacts/public/logs/live_backing.log

---

```
[task 2020-08-24T17:38:53.736Z] 17:38:53     INFO - TEST-START | browser/base/content/test/tabs/browser_tabCloseSpacer.js
[task 2020-08-24T17:45:03.740Z] 17:45:03     INFO - Buffered messages logged at 17:38:53
[task 2020-08-24T17:45:03.740Z] 17:45:03     INFO - Entering test bound 
[task 2020-08-24T17:45:03.740Z] 17:45:03     INFO - Buffered messages finished
[task 2020-08-24T17:45:03.740Z] 17:45:03    ERROR - TEST-UNEXPECTED-TIMEOUT | browser/base/content/test/tabs/browser_tabCloseSpacer.js | application timed out after 370 seconds with no output
[task 2020-08-24T17:45:03.740Z] 17:45:03    ERROR - Force-terminating active process(es).
[task 2020-08-24T17:45:03.740Z] 17:45:03     INFO - Determining child pids from psutil...
[task 2020-08-24T17:45:03.744Z] 17:45:03     INFO - [3704]
[task 2020-08-24T17:45:03.744Z] 17:45:03     INFO - ==> process 3704 launched child process 5080 ("Z:\task_1598289733\build\application\firefox\firefox.exe" -contentproc --channel="3704.0.1766652290\1363392593" -parentBuildID 20200824171621 -prefsHandle 2264 -prefMapHandle 2252 -prefsLen 1 -prefMapSize 240354 -appdir "Z:\task_1598289733\build\application\firefox\browser" - 3704 "\\.\pipe\gecko-crash-server-pipe.3704" 2320 gpu)
[task 2020-08-24T17:45:03.745Z] 17:45:03     INFO - ==> process 3704 launched child process 6556 ("Z:\task_1598289733\build\application\firefox\firefox.exe" -contentproc --channel="3704.6.1679648649\1784884864" -childID 1 -isForBrowser -prefsHandle 2928 -prefMapHandle 2232 -prefsLen 1744 -prefMapSize 240354 -parentBuildID 20200824171621 -appdir "Z:\task_1598289733\build\application\firefox\browser" - 3704 "\\.\pipe\gecko-crash-server-pipe.3704" 2936 tab)
[task 2020-08-24T17:45:03.745Z] 17:45:03     INFO - ==> process 3704 launched child process 7660 ("Z:\task_1598289733\build\application\firefox\firefox.exe" -contentproc --channel="3704.13.1567019892\2125199856" -childID 2 -isForBrowser -prefsHandle 5900 -prefMapHandle 5896 -prefsLen 2157 -prefMapSize 240354 -noScache -parentBuildID 20200824171621 -appdir "Z:\task_1598289733\build\application\firefox\browser" - 3704 "\\.\pipe\gecko-crash-server-pipe.3704" 5908 tab)
[task 2020-08-24T17:45:03.745Z] 17:45:03     INFO - ==> process 3704 launched child process 7848 ("Z:\task_1598289733\build\application\firefox\firefox.exe" -contentproc --channel="3704.20.412176719\314634615" -childID 3 -isForBrowser -prefsHandle 6068 -prefMapHandle 6072 -prefsLen 2197 -prefMapSize 240354 -parentBuildID 20200824171621 -appdir "Z:\task_1598289733\build\application\firefox\browser" - 3704 "\\.\pipe\gecko-crash-server-pipe.3704" 5936 tab)
[task 2020-08-24T17:45:03.745Z] 17:45:03     INFO - ==> process 3704 launched child process 7356 ("Z:\task_1598289733\build\application\firefox\firefox.exe" -contentproc --channel="3704.27.540841747\2052327030" -childID 4 -isForBrowser -prefsHandle 5644 -prefMapHandle 5348 -prefsLen 11728 -prefMapSize 240354 -noScache -parentBuildID 20200824171621 -appdir "Z:\task_1598289733\build\application\firefox\browser" - 3704 "\\.\pipe\gecko-crash-server-pipe.3704" 4484 tab)
[task 2020-08-24T17:45:03.746Z] 17:45:03     INFO - ==> process 3704 launched child process 7800 ("Z:\task_1598289733\build\application\firefox\firefox.exe" -contentproc --channel="3704.34.1343615603\2016500383" -childID 5 -isForBrowser -prefsHandle 5128 -prefMapHandle 5208 -prefsLen 11792 -prefMapSize 240354 -noScache -parentBuildID 20200824171621 -appdir "Z:\task_1598289733\build\application\firefox\browser" - 3704 "\\.\pipe\gecko-crash-server-pipe.3704" 5036 tab)
[task 2020-08-24T17:45:03.746Z] 17:45:03     INFO - ==> process 3704 launched child process 1204 ("Z:\task_1598289733\build\application\firefox\firefox.exe" -contentproc --channel="3704.35.1911565617\620399837" -childID 6 -isForBrowser -prefsHandle 4604 -prefMapHandle 5468 -prefsLen 11792 -prefMapSize 240354 -noScache -parentBuildID 20200824171621 -appdir "Z:\task_1598289733\build\application\firefox\browser" - 3704 "\\.\pipe\gecko-crash-server-pipe.3704" 5088 tab)
[task 2020-08-24T17:45:03.746Z] 17:45:03     INFO - ==> process 3704 launched child process 7692 ("Z:\task_1598289733\build\application\firefox\firefox.exe" -contentproc --channel="3704.48.1454822198\1458541251" -childID 7 -isForBrowser -prefsHandle 4016 -prefMapHandle 3624 -prefsLen 12103 -prefMapSize 240354 -noScache -parentBuildID 20200824171621 -appdir "Z:\task_1598289733\build\application\firefox\browser" - 3704 "\\.\pipe\gecko-crash-server-pipe.3704" 5232 tab)
[task 2020-08-24T17:45:03.747Z] 17:45:03     INFO - ==> process 3704 launched child process 5644 ("Z:\task_1598289733\build\application\firefox\firefox.exe" -contentproc --channel="3704.55.1510992781\604086865" -childID 8 -isForBrowser -prefsHandle 4636 -prefMapHandle 1828 -prefsLen 12102 -prefMapSize 240354 -noScache -parentBuildID 20200824171621 -appdir "Z:\task_1598289733\build\application\firefox\browser" - 3704 "\\.\pipe\gecko-crash-server-pipe.3704" 4064 tab)
[task 2020-08-24T17:45:03.747Z] 17:45:03     INFO - ==> process 3704 launched child process 7820 ("Z:\task_1598289733\build\application\firefox\firefox.exe" -contentproc --channel="3704.62.1817210092\502856296" -parentBuildID 20200824171621 -prefsHandle 3536 -prefMapHandle 3212 -prefsLen 12102 -prefMapSize 240354 -appdir "Z:\task_1598289733\build\application\firefox\browser" - 3704 "\\.\pipe\gecko-crash-server-pipe.3704" 3420 rdd)
[task 2020-08-24T17:45:03.747Z] 17:45:03     INFO - ==> process 3704 launched child process 6488 ("Z:\task_1598289733\build\application\firefox\firefox.exe" -contentproc --channel="3704.67.1182953013\1399427487" -childID 9 -isForBrowser -prefsHandle 4356 -prefMapHandle 4564 -prefsLen 12182 -prefMapSize 240354 -noScache -parentBuildID 20200824171621 -appdir "Z:\task_1598289733\build\application\firefox\browser" - 3704 "\\.\pipe\gecko-crash-server-pipe.3704" 3896 tab)
[task 2020-08-24T17:45:03.748Z] 17:45:03     INFO - ==> process 3704 launched child process 4468 ("Z:\task_1598289733\build\application\firefox\firefox.exe" -contentproc --channel="3704.75.1825157762\1420314817" -childID 10 -isForBrowser -prefsHandle 4688 -prefMapHandle 5448 -prefsLen 12182 -prefMapSize 240354 -noScache -parentBuildID 20200824171621 -appdir "Z:\task_1598289733\build\application\firefox\browser" - 3704 "\\.\pipe\gecko-crash-server-pipe.3704" 6276 tab)
[task 2020-08-24T17:45:03.748Z] 17:45:03     INFO - ==> process 3704 launched child process 7156 ("Z:\task_1598289733\build\application\firefox\firefox.exe" -contentproc --channel="3704.82.1866693998\1693351869" -childID 11 -isForBrowser -prefsHandle 2624 -prefMapHandle 3784 -prefsLen 13004 -prefMapSize 240354 -noScache -parentBuildID 20200824171621 -appdir "Z:\task_1598289733\build\application\firefox\browser" - 3704 "\\.\pipe\gecko-crash-server-pipe.3704" 3756 tab)
[task 2020-08-24T17:45:03.748Z] 17:45:03     INFO - ==> process 3704 launched child process 4720 ("Z:\task_1598289733\build\application\firefox\firefox.exe" -contentproc --channel="3704.89.1489790844\1476284821" -childID 12 -isForBrowser -prefsHandle 2752 -prefMapHandle 4264 -prefsLen 13048 -prefMapSize 240354 -noScache -parentBuildID 20200824171621 -appdir "Z:\task_1598289733\build\application\firefox\browser" - 3704 "\\.\pipe\gecko-crash-server-pipe.3704" 4012 tab)
[task 2020-08-24T17:45:03.749Z] 17:45:03     INFO - ==> process 3704 launched child process 1716 ("Z:\task_1598289733\build\application\firefox\firefox.exe" -contentproc --channel="3704.96.1388202578\1265727444" -childID 13 -isForBrowser -prefsHandle 5864 -prefMapHandle 3380 -prefsLen 13093 -prefMapSize 240354 -noScache -parentBuildID 20200824171621 -appdir "Z:\task_1598289733\build\application\firefox\browser" - 3704 "\\.\pipe\gecko-crash-server-pipe.3704" 3692 tab)
[task 2020-08-24T17:45:03.749Z] 17:45:03     INFO - ==> process 3704 launched child process 7980 ("Z:\task_1598289733\build\application\firefox\firefox.exe" -contentproc --channel="3704.103.923771899\1261261838" -childID 14 -isForBrowser -prefsHandle 3692 -prefMapHandle 4336 -prefsLen 13093 -prefMapSize 240354 -noScache -parentBuildID 20200824171621 -appdir "Z:\task_1598289733\build\application\firefox\browser" - 3704 "\\.\pipe\gecko-crash-server-pipe.3704" 3704 tab)
[task 2020-08-24T17:45:03.749Z] 17:45:03     INFO - ==> process 3704 launched child process 5640 ("Z:\task_1598289733\build\application\firefox\firefox.exe" -contentproc --channel="3704.113.1297192142\408421866" -childID 15 -isForBrowser -prefsHandle 7056 -prefMapHandle 6344 -prefsLen 13589 -prefMapSize 240354 -noScache -parentBuildID 20200824171621 -appdir "Z:\task_1598289733\build\application\firefox\browser" - 3704 "\\.\pipe\gecko-crash-server-pipe.3704" 7080 tab)
[task 2020-08-24T17:45:03.750Z] 17:45:03     INFO - ==> process 3704 launched child process 5484 ("Z:\task_1598289733\build\application\firefox\firefox.exe" -contentproc --channel="3704.120.757753679\515518826" -childID 16 -isForBrowser -prefsHandle 5832 -prefMapHandle 4504 -prefsLen 13576 -prefMapSize 240354 -noScache -parentBuildID 20200824171621 -appdir "Z:\task_1598289733\build\application\firefox\browser" - 3704 "\\.\pipe\gecko-crash-server-pipe.3704" 4748 tab)
[task 2020-08-24T17:45:03.750Z] 17:45:03     INFO - ==> process 3704 launched child process 2008 ("Z:\task_1598289733\build\application\firefox\firefox.exe" -contentproc --channel="3704.127.1000797004\1278546322" -childID 17 -isForBrowser -prefsHandle 5428 -prefMapHandle 5104 -prefsLen 13576 -prefMapSize 240354 -noScache -parentBuildID 20200824171621 -appdir "Z:\task_1598289733\build\application\firefox\browser" - 3704 "\\.\pipe\gecko-crash-server-pipe.3704" 6552 tab)
[task 2020-08-24T17:45:03.750Z] 17:45:03     INFO - ==> process 3704 launched child process 6040 ("Z:\task_1598289733\build\application\firefox\firefox.exe" -contentproc --channel="3704.134.2092697688\925193194" -childID 18 -isForBrowser -prefsHandle 6980 -prefMapHandle 6864 -prefsLen 13757 -prefMapSize 240354 -noScache -parentBuildID 20200824171621 -appdir "Z:\task_1598289733\build\application\firefox\browser" - 3704 "\\.\pipe\gecko-crash-server-pipe.3704" 3496 tab)
[task 2020-08-24T17:45:03.750Z] 17:45:03     INFO - ==> process 3704 launched child process 2824 ("Z:\task_1598289733\build\application\firefox\firefox.exe" -contentproc --channel="3704.141.646902321\2012663976" -childID 19 -isForBrowser -prefsHandle 6976 -prefMapHandle 6984 -prefsLen 13757 -prefMapSize 240354 -noScache -parentBuildID 20200824171621 -appdir "Z:\task_1598289733\build\application\firefox\browser" - 3704 "\\.\pipe\gecko-crash-server-pipe.3704" 4556 tab)
[task 2020-08-24T17:45:03.751Z] 17:45:03     INFO - ==> process 3704 launched child process 5528 ("Z:\task_1598289733\build\application\firefox\firefox.exe" -contentproc --channel="3704.148.442872019\1850212796" -childID 20 -isForBrowser -prefsHandle 6404 -prefMapHandle 5680 -prefsLen 13757 -prefMapSize 240354 -noScache -parentBuildID 20200824171621 -appdir "Z:\task_1598289733\build\application\firefox\browser" - 3704 "\\.\pipe\gecko-crash-server-pipe.3704" 3120 tab)
[task 2020-08-24T17:45:03.751Z] 17:45:03     INFO - ==> process 3704 launched child process 10452 ("Z:\task_1598289733\build\application\firefox\firefox.exe" -contentproc --channel="3704.155.570350091\945820635" -childID 21 -isForBrowser -prefsHandle 6580 -prefMapHandle 4372 -prefsLen 13757 -prefMapSize 240354 -noScache -parentBuildID 20200824171621 -appdir "Z:\task_1598289733\build\application\firefox\browser" - 3704 "\\.\pipe\gecko-crash-server-pipe.3704" 7036 tab)
[task 2020-08-24T17:45:03.752Z] 17:45:03     INFO - ==> process 3704 launched child process 7564 ("Z:\task_1598289733\build\application\firefox\firefox.exe" -contentproc --channel="3704.162.1663757931\872762171" -childID 22 -isForBrowser -prefsHandle 4448 -prefMapHandle 4396 -prefsLen 13757 -prefMapSize 240354 -noScache -parentBuildID 20200824171621 -appdir "Z:\task_1598289733\build\application\firefox\browser" - 3704 "\\.\pipe\gecko-crash-server-pipe.3704" 4576 tab)
[task 2020-08-24T17:45:03.752Z] 17:45:03     INFO - ==> process 3704 launched child process 6008 ("Z:\task_1598289733\build\application\firefox\firefox.exe" -contentproc --channel="3704.169.1458189676\1130498730" -childID 23 -isForBrowser -prefsHandle 4888 -prefMapHandle 6232 -prefsLen 13757 -prefMapSize 240354 -noScache -parentBuildID 20200824171621 -appdir "Z:\task_1598289733\build\application\firefox\browser" - 3704 "\\.\pipe\gecko-crash-server-pipe.3704" 4592 tab)
[task 2020-08-24T17:45:03.752Z] 17:45:03     INFO - ==> process 3704 launched child process 10136 ("Z:\task_1598289733\build\application\firefox\firefox.exe" -contentproc --channel="3704.176.1321172722\1930959473" -childID 24 -isForBrowser -prefsHandle 3468 -prefMapHandle 7100 -prefsLen 13833 -prefMapSize 240354 -noScache -parentBuildID 20200824171621 -appdir "Z:\task_1598289733\build\application\firefox\browser" - 3704 "\\.\pipe\gecko-crash-server-pipe.3704" 3324 tab)
[task 2020-08-24T17:45:03.752Z] 17:45:03     INFO - ==> process 3704 launched child process 5844 ("Z:\task_1598289733\build\application\firefox\firefox.exe" -contentproc --channel="3704.183.1896353268\1269419615" -childID 25 -isForBrowser -prefsHandle 5044 -prefMapHandle 7012 -prefsLen 13986 -prefMapSize 240354 -noScache -parentBuildID 20200824171621 -appdir "Z:\task_1598289733\build\application\firefox\browser" - 3704 "\\.\pipe\gecko-crash-server-pipe.3704" 5320 tab)
[task 2020-08-24T17:45:03.753Z] 17:45:03     INFO - ==> process 3704 launched child process 5700 ("Z:\task_1598289733\build\application\firefox\firefox.exe" -contentproc --channel="3704.190.992913447\1410877057" -childID 26 -isForBrowser -prefsHandle 2720 -prefMapHandle 3316 -prefsLen 13986 -prefMapSize 240354 -noScache -parentBuildID 20200824171621 -appdir "Z:\task_1598289733\build\application\firefox\browser" - 3704 "\\.\pipe\gecko-crash-server-pipe.3704" 5180 tab)
[task 2020-08-24T17:45:03.753Z] 17:45:03     INFO - ==> process 3704 launched child process 5916 ("Z:\task_1598289733\build\application\firefox\firefox.exe" -contentproc --channel="3704.197.1148928644\761623063" -childID 27 -isForBrowser -prefsHandle 4112 -prefMapHandle 5080 -prefsLen 13986 -prefMapSize 240354 -noScache -parentBuildID 20200824171621 -appdir "Z:\task_1598289733\build\application\firefox\browser" - 3704 "\\.\pipe\gecko-crash-server-pipe.3704" 4404 tab)
[task 2020-08-24T17:45:03.753Z] 17:45:03     INFO - ==> process 3704 launched child process 1604 ("Z:\task_1598289733\build\application\firefox\firefox.exe" -contentproc --channel="3704.204.1510719913\1284286458" -childID 28 -isForBrowser -prefsHandle 4320 -prefMapHandle 7088 -prefsLen 13986 -prefMapSize 240354 -noScache -parentBuildID 20200824171621 -appdir "Z:\task_1598289733\build\application\firefox\browser" - 3704 "\\.\pipe\gecko-crash-server-pipe.3704" 4808 tab)
[task 2020-08-24T17:45:03.754Z] 17:45:03     INFO - ==> process 3704 launched child process 9996 ("Z:\task_1598289733\build\application\firefox\firefox.exe" -contentproc --channel="3704.211.1176349025\610065211" -childID 29 -isForBrowser -prefsHandle 5212 -prefMapHandle 5800 -prefsLen 13986 -prefMapSize 240354 -noScache -parentBuildID 20200824171621 -appdir "Z:\task_1598289733\build\application\firefox\browser" - 3704 "\\.\pipe\gecko-crash-server-pipe.3704" 5080 tab)
[task 2020-08-24T17:45:03.754Z] 17:45:03     INFO - ==> process 3704 launched child process 6644 ("Z:\task_1598289733\build\application\firefox\firefox.exe" -contentproc --channel="3704.218.793981371\1528265042" -childID 30 -isForBrowser -prefsHandle 2924 -prefMapHandle 3900 -prefsLen 13986 -prefMapSize 240354 -noScache -parentBuildID 20200824171621 -appdir "Z:\task_1598289733\build\application\firefox\browser" - 3704 "\\.\pipe\gecko-crash-server-pipe.3704" 7148 tab)
[task 2020-08-24T17:45:03.754Z] 17:45:03     INFO - ==> process 3704 launched child process 5160 ("Z:\task_1598289733\build\application\firefox\firefox.exe" -contentproc --channel="3704.225.643439279\933903609" -childID 31 -isForBrowser -prefsHandle 3960 -prefMapHandle 3896 -prefsLen 13986 -prefMapSize 240354 -noScache -parentBuildID 20200824171621 -appdir "Z:\task_1598289733\build\application\firefox\browser" - 3704 "\\.\pipe\gecko-crash-server-pipe.3704" 5212 tab)
[task 2020-08-24T17:45:03.755Z] 17:45:03     INFO - ==> process 3704 launched child process 7456 ("Z:\task_1598289733\build\application\firefox\firefox.exe" -contentproc --channel="3704.232.2072252263\262249510" -childID 32 -isForBrowser -prefsHandle 3924 -prefMapHandle 7116 -prefsLen 13986 -prefMapSize 240354 -noScache -parentBuildID 20200824171621 -appdir "Z:\task_1598289733\build\application\firefox\browser" - 3704 "\\.\pipe\gecko-crash-server-pipe.3704" 5924 tab)
[task 2020-08-24T17:45:03.755Z] 17:45:03     INFO - ==> process 3704 launched child process 10480 ("Z:\task_1598289733\build\application\firefox\firefox.exe" -contentproc --channel="3704.239.135749526\2118018488" -childID 33 -isForBrowser -prefsHandle 7032 -prefMapHandle 6316 -prefsLen 13986 -prefMapSize 240354 -noScache -parentBuildID 20200824171621 -appdir "Z:\task_1598289733\build\application\firefox\browser" - 3704 "\\.\pipe\gecko-crash-server-pipe.3704" 4356 tab)
[task 2020-08-24T17:45:03.755Z] 17:45:03     INFO - ==> process 3704 launched child process 4320 ("Z:\task_1598289733\build\application\firefox\firefox.exe" -contentproc --channel="3704.246.1597933425\1786648350" -childID 34 -isForBrowser -prefsHandle 4724 -prefMapHandle 4372 -prefsLen 13986 -prefMapSize 240354 -noScache -parentBuildID 20200824171621 -appdir "Z:\task_1598289733\build\application\firefox\browser" - 3704 "\\.\pipe\gecko-crash-server-pipe.3704" 1016 tab)
[task 2020-08-24T17:45:03.756Z] 17:45:03     INFO - ==> process 3704 launched child process 1352 ("Z:\task_1598289733\build\application\firefox\firefox.exe" -contentproc --channel="3704.253.916018755\547556964" -childID 35 -isForBrowser -prefsHandle 5196 -prefMapHandle 4536 -prefsLen 13986 -prefMapSize 240354 -noScache -parentBuildID 20200824171621 -appdir "Z:\task_1598289733\build\application\firefox\browser" - 3704 "\\.\pipe\gecko-crash-server-pipe.3704" 6520 tab)
[task 2020-08-24T17:45:03.756Z] 17:45:03     INFO - ==> process 3704 launched child process 6036 ("Z:\task_1598289733\build\application\firefox\firefox.exe" -contentproc --channel="3704.260.16161590\1485631566" -childID 36 -isForBrowser -prefsHandle 5956 -prefMapHandle 2064 -prefsLen 13986 -prefMapSize 240354 -noScache -parentBuildID 20200824171621 -appdir "Z:\task_1598289733\build\application\firefox\browser" - 3704 "\\.\pipe\gecko-crash-server-pipe.3704" 5716 tab)
[task 2020-08-24T17:45:03.756Z] 17:45:03     INFO - ==> process 3704 launched child process 7472 ("Z:\task_1598289733\build\application\firefox\firefox.exe" -contentproc --channel="3704.267.1908666711\845463125" -childID 37 -isForBrowser -prefsHandle 4548 -prefMapHandle 4468 -prefsLen 13986 -prefMapSize 240354 -noScache -parentBuildID 20200824171621 -appdir "Z:\task_1598289733\build\application\firefox\browser" - 3704 "\\.\pipe\gecko-crash-server-pipe.3704" 5040 tab)
[task 2020-08-24T17:45:03.756Z] 17:45:03     INFO - ==> process 3704 launched child process 940 ("Z:\task_1598289733\build\application\firefox\firefox.exe" -contentproc --channel="3704.274.1249191698\452483214" -childID 38 -isForBrowser -prefsHandle 6932 -prefMapHandle 3648 -prefsLen 14156 -prefMapSize 240354 -noScache -parentBuildID 20200824171621 -appdir "Z:\task_1598289733\build\application\firefox\browser" - 3704 "\\.\pipe\gecko-crash-server-pipe.3704" 6580 tab)
[task 2020-08-24T17:45:03.756Z] 17:45:03     INFO - ==> process 3704 launched child process 5252 ("Z:\task_1598289733\build\application\firefox\firefox.exe" -contentproc --channel="3704.281.751848595\80441962" -childID 39 -isForBrowser -prefsHandle 4420 -prefMapHandle 5356 -prefsLen 14156 -prefMapSize 240354 -noScache -parentBuildID 20200824171621 -appdir "Z:\task_1598289733\build\application\firefox\browser" - 3704 "\\.\pipe\gecko-crash-server-pipe.3704" 7064 tab)
[task 2020-08-24T17:45:03.756Z] 17:45:03     INFO - ==> process 3704 launched child process 1348 ("Z:\task_1598289733\build\application\firefox\firefox.exe" -contentproc --channel="3704.288.1641678495\1023565919" -childID 40 -isForBrowser -prefsHandle 3576 -prefMapHandle 5664 -prefsLen 14202 -prefMapSize 240354 -noScache -parentBuildID 20200824171621 -appdir "Z:\task_1598289733\build\application\firefox\browser" - 3704 "\\.\pipe\gecko-crash-server-pipe.3704" 1556 tab)
[task 2020-08-24T17:45:03.757Z] 17:45:03     INFO - ==> process 3704 launched child process 10640 ("Z:\task_1598289733\build\application\firefox\firefox.exe" -contentproc --channel="3704.295.61195660\1231342226" -childID 41 -isForBrowser -prefsHandle 4856 -prefMapHandle 5584 -prefsLen 14202 -prefMapSize 240354 -noScache -parentBuildID 20200824171621 -appdir "Z:\task_1598289733\build\application\firefox\browser" - 3704 "\\.\pipe\gecko-crash-server-pipe.3704" 6480 tab)
[task 2020-08-24T17:45:03.757Z] 17:45:03     INFO - ==> process 3704 launched child process 10148 ("Z:\task_1598289733\build\application\firefox\firefox.exe" -contentproc --channel="3704.302.1386345899\1546828370" -childID 42 -isForBrowser -prefsHandle 5056 -prefMapHandle 4132 -prefsLen 14202 -prefMapSize 240354 -noScache -parentBuildID 20200824171621 -appdir "Z:\task_1598289733\build\application\firefox\browser" - 3704 "\\.\pipe\gecko-crash-server-pipe.3704" 5968 tab)
[task 2020-08-24T17:45:03.757Z] 17:45:03     INFO - ==> process 3704 launched child process 6696 ("Z:\task_1598289733\build\application\firefox\firefox.exe" -contentproc --channel="3704.309.1819347757\451334146" -childID 43 -isForBrowser -prefsHandle 6256 -prefMapHandle 4056 -prefsLen 14202 -prefMapSize 240354 -noScache -parentBuildID 20200824171621 -appdir "Z:\task_1598289733\build\application\firefox\browser" - 3704 "\\.\pipe\gecko-crash-server-pipe.3704" 7144 tab)
[task 2020-08-24T17:45:03.757Z] 17:45:03     INFO - Found child pids: set([5528, 5252, 6696, 5640, 7660, 7820, 10640, 5080, 10136, 2008, 6040, 1604, 6036, 6008, 6556, 7456, 10480, 10148, 9996, 7848, 5916, 7980, 7472, 2824, 1716, 1204, 7356, 5700, 1352, 5644, 1348, 940, 3704, 10452, 6488, 7564, 7692, 4320, 5484, 6644, 4720, 5160, 4468, 7800, 5844, 7156])
[task 2020-08-24T17:45:03.757Z] 17:45:03     INFO - Failed to get child procs
[task 2020-08-24T17:45:03.757Z] 17:45:03     INFO - Killing process: 5528
[task 2020-08-24T17:45:03.757Z] 17:45:03     INFO - TEST-INFO | started process screenshot
[task 2020-08-24T17:45:03.816Z] 17:45:03     INFO - TEST-INFO | screenshot: exit 0
[task 2020-08-24T17:45:03.816Z] 17:45:03     INFO - mozcrash Writing a dump to c:\users\task_1598289733\appdata\local\temp\tmpjqhkor.mozrunner\minidumps\3cc56f0f-ae8f-428d-a89b-876d85fa79f9.dmp for [5528]
[task 2020-08-24T17:45:03.818Z] 17:45:03  WARNING - mozcrash unable to dump minidump file for pid 5528: -2147024597
[task 2020-08-24T17:45:03.818Z] 17:45:03  WARNING - mozcrash kill_pid(): unable to terminate pid 5528: 5
[task 2020-08-24T17:45:03.818Z] 17:45:03     INFO - Killing process: 5252
[task 2020-08-24T17:45:03.818Z] 17:45:03     INFO - Not taking screenshot here: see the one that was previously logged
[task 2020-08-24T17:45:03.818Z] 17:45:03     INFO - mozcrash Writing a dump to c:\users\task_1598289733\appdata\local\temp\tmpjqhkor.mozrunner\minidumps\fadd82d3-563a-44aa-80ad-e85834f570ef.dmp for [5252]
[task 2020-08-24T17:45:03.898Z] 17:45:03     INFO - Killing process: 6696
[task 2020-08-24T17:45:03.898Z] 17:45:03     INFO - Not taking screenshot here: see the one that was previously logged
[task 2020-08-24T17:45:03.898Z] 17:45:03     INFO - mozcrash Writing a dump to c:\users\task_1598289733\appdata\local\temp\tmpjqhkor.mozrunner\minidumps\3dc14e35-3e3a-4dfd-a07a-914a010aabbe.dmp for [6696]
[task 2020-08-24T17:45:03.944Z] 17:45:03     INFO - Killing process: 5640
[task 2020-08-24T17:45:03.944Z] 17:45:03     INFO - Not taking screenshot here: see the one that was previously logged
[task 2020-08-24T17:45:03.944Z] 17:45:03     INFO - mozcrash Writing a dump to c:\users\task_1598289733\appdata\local\temp\tmpjqhkor.mozrunner\minidumps\22b39a13-d1d5-485b-a708-99b32df9d2c1.dmp for [5640]
[task 2020-08-24T17:45:03.946Z] 17:45:03  WARNING - mozcrash unable to dump minidump file for pid 5640: -2147024597
[task 2020-08-24T17:45:03.946Z] 17:45:03  WARNING - mozcrash kill_pid(): unable to terminate pid 5640: 5
[task 2020-08-24T17:45:03.947Z] 17:45:03     INFO - Killing process: 7660
[task 2020-08-24T17:45:03.947Z] 17:45:03     INFO - Not taking screenshot here: see the one that was previously logged
[task 2020-08-24T17:45:03.947Z] 17:45:03     INFO - mozcrash Writing a dump to c:\users\task_1598289733\appdata\local\temp\tmpjqhkor.mozrunner\minidumps\244404e6-6ffe-4877-befb-b6c1ac947a82.dmp for [7660]
[task 2020-08-24T17:45:03.951Z] 17:45:03  WARNING - mozcrash unable to dump minidump file for pid 7660: -2147024597
[task 2020-08-24T17:45:03.951Z] 17:45:03  WARNING - mozcrash kill_pid(): unable to terminate pid 7660: 5
[task 2020-08-24T17:45:03.951Z] 17:45:03     INFO - Killing process: 7820
[task 2020-08-24T17:45:03.951Z] 17:45:03     INFO - Not taking screenshot here: see the one that was previously logged
[task 2020-08-24T17:45:03.951Z] 17:45:03     INFO - mozcrash Writing a dump to c:\users\task_1598289733\appdata\local\temp\tmpjqhkor.mozrunner\minidumps\f5553764-5677-4598-84eb-1842637fc2e6.dmp for [7820]
[task 2020-08-24T17:45:03.995Z] 17:45:03     INFO - Killing process: 10640
[task 2020-08-24T17:45:03.995Z] 17:45:03     INFO - Not taking screenshot here: see the one that was previously logged
[task 2020-08-24T17:45:03.995Z] 17:45:03     INFO - mozcrash Writing a dump to c:\users\task_1598289733\appdata\local\temp\tmpjqhkor.mozrunner\minidumps\58e28ae9-11a9-42ad-ad95-1d75d9935b90.dmp for [10640]
[task 2020-08-24T17:45:04.055Z] 17:45:04     INFO - Killing process: 5080
[task 2020-08-24T17:45:04.055Z] 17:45:04     INFO - Not taking screenshot here: see the one that was previously logged
[task 2020-08-24T17:45:04.055Z] 17:45:04     INFO - mozcrash Writing a dump to c:\users\task_1598289733\appdata\local\temp\tmpjqhkor.mozrunner\minidumps\19c9968d-4a97-49f6-8096-ee24d1871fee.dmp for [5080]
[task 2020-08-24T17:45:04.114Z] 17:45:04     INFO - Killing process: 10136
[task 2020-08-24T17:45:04.114Z] 17:45:04     INFO - Not taking screenshot here: see the one that was previously logged
[task 2020-08-24T17:45:04.114Z] 17:45:04     INFO - mozcrash Writing a dump to c:\users\task_1598289733\appdata\local\temp\tmpjqhkor.mozrunner\minidumps\f0aa0a1c-1b2a-41c5-a235-b36ee01a16bf.dmp for [10136]
[task 2020-08-24T17:45:04.114Z] 17:45:04  WARNING - mozcrash unable to dump minidump file for pid 10136: -2147024597
[task 2020-08-24T17:45:04.114Z] 17:45:04  WARNING - mozcrash kill_pid(): unable to terminate pid 10136: 5
[task 2020-08-24T17:45:04.114Z] 17:45:04     INFO - Killing process: 2008
[task 2020-08-24T17:45:04.114Z] 17:45:04     INFO - Not taking screenshot here: see the one that was previously logged
[task 2020-08-24T17:45:04.115Z] 17:45:04     INFO - mozcrash Writing a dump to c:\users\task_1598289733\appdata\local\temp\tmpjqhkor.mozrunner\minidumps\cbd8623e-1f0a-4a11-9117-6b3ef9b9147e.dmp for [2008]
[task 2020-08-24T17:45:04.115Z] 17:45:04  WARNING - mozcrash unable to dump minidump file for pid 2008: -2147024597
[task 2020-08-24T17:45:04.115Z] 17:45:04  WARNING - mozcrash kill_pid(): unable to terminate pid 2008: 5
[task 2020-08-24T17:45:04.115Z] 17:45:04     INFO - Killing process: 6040
[task 2020-08-24T17:45:04.115Z] 17:45:04     INFO - Not taking screenshot here: see the one that was previously logged
[task 2020-08-24T17:45:04.115Z] 17:45:04     INFO - mozcrash Writing a dump to c:\users\task_1598289733\appdata\local\temp\tmpjqhkor.mozrunner\minidumps\1560bae4-e76b-46d9-9a36-ceea144c2a53.dmp for [6040]
<...>
[task 2020-08-24T17:45:04.723Z] 17:45:04  WARNING - mozcrash kill_pid(): unable to get handle for pid 5844: 87
[task 2020-08-24T17:45:04.723Z] 17:45:04     INFO - Killing process: 7156
[task 2020-08-24T17:45:04.723Z] 17:45:04     INFO - Not taking screenshot here: see the one that was previously logged
[task 2020-08-24T17:45:04.723Z] 17:45:04     INFO - mozcrash Writing a dump to c:\users\task_1598289733\appdata\local\temp\tmpjqhkor.mozrunner\minidumps\58879819-9dcc-49f7-bd79-97aa7e858250.dmp for [7156]
[task 2020-08-24T17:45:04.723Z] 17:45:04  WARNING - mozcrash unable to get handle for pid 7156: 87
[task 2020-08-24T17:45:04.723Z] 17:45:04  WARNING - mozcrash kill_pid(): unable to get handle for pid 7156: 87
[task 2020-08-24T17:45:04.723Z] 17:45:04     INFO - Killing process: 9328
[task 2020-08-24T17:45:04.723Z] 17:45:04     INFO - Not taking screenshot here: see the one that was previously logged
[task 2020-08-24T17:45:04.724Z] 17:45:04     INFO - mozcrash Writing a dump to c:\users\task_1598289733\appdata\local\temp\tmpjqhkor.mozrunner\minidumps\ea1211c6-88ad-4255-a792-350ab16d327e.dmp for [9328]
[task 2020-08-24T17:45:04.724Z] 17:45:04  WARNING - mozcrash unable to dump minidump file for pid 9328: -2147024597
[task 2020-08-24T17:45:04.724Z] 17:45:04  WARNING - mozcrash kill_pid(): unable to terminate pid 9328: 5
[task 2020-08-24T17:45:04.724Z] 17:45:04     INFO - psutil found pid 9328 dead
[task 2020-08-24T17:45:04.742Z] 17:45:04     INFO - TEST-INFO | Main app process: exit 1
[task 2020-08-24T17:45:04.742Z] 17:45:04     INFO - Buffered messages finished
[task 2020-08-24T17:45:04.743Z] 17:45:04    ERROR - TEST-UNEXPECTED-FAIL | browser/base/content/test/tabs/browser_tabCloseSpacer.js | application terminated with exit code 1
[task 2020-08-24T17:45:04.743Z] 17:45:04     INFO - runtests.py | Application ran for: 0:08:24.294000
[task 2020-08-24T17:45:04.743Z] 17:45:04     INFO - zombiecheck | Reading PID log: c:\users\task_1598289733\appdata\local\temp\tmpceluompidlog
[task 2020-08-24T17:45:04.744Z] 17:45:04     INFO - ==> process 3704 launched child process 5080 ("Z:\task_1598289733\build\application\firefox\firefox.exe" -contentproc --channel="3704.0.1766652290\1363392593" -parentBuildID 20200824171621 -prefsHandle 2264 -prefMapHandle 2252 -prefsLen 1 -prefMapSize 240354 -appdir "Z:\task_1598289733\build\application\firefox\browser" - 3704 "\\.\pipe\gecko-crash-server-pipe.3704" 2320 gpu)
[task 2020-08-24T17:45:04.744Z] 17:45:04     INFO - ==> process 3704 launched child process 6556 ("Z:\task_1598289733\build\application\firefox\firefox.exe" -contentproc --channel="3704.6.1679648649\1784884864" -childID 1 -isForBrowser -prefsHandle 2928 -prefMapHandle 2232 -prefsLen 1744 -prefMapSize 240354 -parentBuildID 20200824171621 -appdir "Z:\task_1598289733\build\application\firefox\browser" - 3704 "\\.\pipe\gecko-crash-server-pipe.3704" 2936 tab)
```