Bug: Intermittent browser/components/downloads/test/browser/browser_libraryDrop.js | leaked 1 window(s) until shutdown [url = chrome://browser/content/places/places.xhtml]
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2022-04-20 19:50:43+00:00
Resolved: 2023-03-21 17:04:00+00:00

**Filed by:** ctuns [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=375188318&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/DLCIA3QkQvCXPTUKkSH2Aw/runs/0/artifacts/public/logs/live_backing.log

---
```
[task 2022-04-20T19:12:28.252Z] 19:12:28     INFO - TEST-OK | browser/components/downloads/test/browser/browser_pdfjs_preview.js | took 19257ms
[task 2022-04-20T19:12:28.258Z] 19:12:28     INFO - GECKO(1621) | [Child 1683, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_DoneGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:468
[task 2022-04-20T19:12:28.259Z] 19:12:28     INFO - GECKO(1621) | [Child 1625: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 110e54800 == 3 [pid = 1625] [id = 34]
[task 2022-04-20T19:12:28.259Z] 19:12:28     INFO - GECKO(1621) | [Child 1625: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 18 (10859e9f0) [pid = 1625] [serial = 89] [outer = 0]
[task 2022-04-20T19:12:28.260Z] 19:12:28     INFO - GECKO(1621) | [Child 1625: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 19 (110e57000) [pid = 1625] [serial = 90] [outer = 10859e9f0]
[task 2022-04-20T19:12:28.267Z] 19:12:28     INFO - GECKO(1621) | [Child 1683, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_StartedGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:468
[task 2022-04-20T19:12:28.271Z] 19:12:28     INFO - GECKO(1621) | [Child 1683, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_DoneGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:468
[task 2022-04-20T19:12:28.273Z] 19:12:28     INFO - GECKO(1621) | [Child 1683: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 10a66f400 == 0 [pid = 1683] [id = 0] [url = file:///var/folders/hc/3wctr9j56gqfx_q22jxhh8hh000014/T/Temp-73bdf135-b149-448e-8bbe-4e01d9dd53b4/testsavedir1482884481/downloaded.pdf]
[task 2022-04-20T19:12:28.274Z] 19:12:28     INFO - GECKO(1621) | [Child 1683: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 2 (10619ef10) [pid = 1683] [serial = 1] [outer = 0] [url = file:///var/folders/hc/3wctr9j56gqfx_q22jxhh8hh000014/T/Temp-73bdf135-b149-448e-8bbe-4e01d9dd53b4/testsavedir1482884481/downloaded.pdf]
[task 2022-04-20T19:12:28.275Z] 19:12:28     INFO - GECKO(1621) | [Child 1683: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 1 (10a670400) [pid = 1683] [serial = 2] [outer = 0] [url = about:blank]
[task 2022-04-20T19:12:28.275Z] 19:12:28     INFO - checking window state
[task 2022-04-20T19:12:28.276Z] 19:12:28     INFO - GECKO(1621) | [Child 1683: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 0 (10a679000) [pid = 1683] [serial = 3] [outer = 0] [url = file:///var/folders/hc/3wctr9j56gqfx_q22jxhh8hh000014/T/Temp-73bdf135-b149-448e-8bbe-4e01d9dd53b4/testsavedir1482884481/downloaded.pdf]
[task 2022-04-20T19:12:28.276Z] 19:12:28     INFO - GECKO(1621) | [Child 1683, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_StartedGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:468
[task 2022-04-20T19:12:28.276Z] 19:12:28     INFO - GECKO(1621) | [Child 1683, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_DoneGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:468
[task 2022-04-20T19:12:28.277Z] 19:12:28     INFO - GECKO(1621) | [Child 1683, Main Thread] WARNING: Extra shutdown CC: 'i < NORMAL_SHUTDOWN_COLLECTIONS', file /builds/worker/checkouts/gecko/xpcom/base/nsCycleCollector.cpp:3359
[task 2022-04-20T19:12:28.278Z] 19:12:28     INFO - GECKO(1621) | [Child 1683, Main Thread] WARNING: NS_ENSURE_TRUE(InitStaticMembers()) failed: file /builds/worker/workspace/obj-build/dist/include/mozilla/Preferences.h:128
[task 2022-04-20T19:12:28.279Z] 19:12:28     INFO - GECKO(1621) | [Child 1683, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_StartedGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:468
[task 2022-04-20T19:12:28.280Z] 19:12:28     INFO - GECKO(1621) | [Child 1683, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_DoneGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:468
[task 2022-04-20T19:12:28.280Z] 19:12:28     INFO - GECKO(1621) | [Child 1683, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_StartedGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:468
[task 2022-04-20T19:12:28.281Z] 19:12:28     INFO - GECKO(1621) | [Child 1683, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_DoneGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:468
[task 2022-04-20T19:12:28.282Z] 19:12:28     INFO - GECKO(1621) | [Child 1683, Main Thread] WARNING: NS_ENSURE_TRUE(Preferences::InitStaticMembers()) failed: file /builds/worker/checkouts/gecko/modules/libpref/Preferences.cpp:4464
[task 2022-04-20T19:12:28.296Z] 19:12:28     INFO - GECKO(1621) | [Parent 1621: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 49 (12f651c00) [pid = 1621] [serial = 182] [outer = 10203bd40]
[task 2022-04-20T19:12:28.315Z] 19:12:28     INFO - GECKO(1621) | [Parent 1621, Main Thread] WARNING: NS_ENSURE_TRUE(presShell) failed: file /builds/worker/checkouts/gecko/dom/base/nsGlobalWindowOuter.cpp:4145
[task 2022-04-20T19:12:28.349Z] 19:12:28     INFO - GECKO(1621) | [Child 1623: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 103969400 == 0 [pid = 1623] [id = 17] [url = about:blank]
[task 2022-04-20T19:12:28.369Z] 19:12:28     INFO - GECKO(1621) | [Child 1625: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 18 (111766000) [pid = 1625] [serial = 69] [outer = 0] [url = about:blank]
[task 2022-04-20T19:12:28.370Z] 19:12:28     INFO - GECKO(1621) | [Child 1625: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 17 (10871cc00) [pid = 1625] [serial = 72] [outer = 0] [url = about:blank]
[task 2022-04-20T19:12:28.370Z] 19:12:28     INFO - GECKO(1621) | [Child 1625: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 16 (110e51c00) [pid = 1625] [serial = 75] [outer = 0] [url = about:blank]
[task 2022-04-20T19:12:28.371Z] 19:12:28     INFO - GECKO(1621) | [Child 1625: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 15 (111d40400) [pid = 1625] [serial = 70] [outer = 0] [url = about:blank]
[task 2022-04-20T19:12:28.371Z] 19:12:28     INFO - GECKO(1621) | [Child 1625: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 14 (110e56c00) [pid = 1625] [serial = 78] [outer = 0] [url = about:blank]
[task 2022-04-20T19:12:28.372Z] 19:12:28     INFO - GECKO(1621) | [Child 1625: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 13 (111d3b400) [pid = 1625] [serial = 79] [outer = 0] [url = about:blank]
[task 2022-04-20T19:12:28.373Z] 19:12:28     INFO - GECKO(1621) | [Child 1625: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 12 (111770000) [pid = 1625] [serial = 76] [outer = 0] [url = about:blank]
[task 2022-04-20T19:12:28.374Z] 19:12:28     INFO - GECKO(1621) | [Child 1625: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 11 (110e5a400) [pid = 1625] [serial = 73] [outer = 0] [url = about:blank]
[task 2022-04-20T19:12:28.374Z] 19:12:28     INFO - GECKO(1621) | [Child 1625: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 10 (11176cc00) [pid = 1625] [serial = 81] [outer = 0] [url = about:blank]
[task 2022-04-20T19:12:28.376Z] 19:12:28     INFO - GECKO(1621) | [Child 1625: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 110e50400 == 2 [pid = 1625] [id = 33] [url = about:blank]
[task 2022-04-20T19:12:28.376Z] 19:12:28     INFO - GECKO(1621) | [Child 1625: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 108710000 == 1 [pid = 1625] [id = 32] [url = about:blank]
[task 2022-04-20T19:12:28.399Z] 19:12:28     INFO - GECKO(1621) | [Child 1625: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 9 (108764c00) [pid = 1625] [serial = 84] [outer = 0] [url = about:blank]
[task 2022-04-20T19:12:28.399Z] 19:12:28     INFO - GECKO(1621) | [Child 1625: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 8 (110e53000) [pid = 1625] [serial = 87] [outer = 0] [url = about:blank]
[task 2022-04-20T19:12:28.400Z] 19:12:28     INFO - GECKO(1621) | [Child 1625: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 7 (111d41400) [pid = 1625] [serial = 82] [outer = 0] [url = about:blank]
[task 2022-04-20T19:12:28.400Z] 19:12:28     INFO - GECKO(1621) | [Child 1625: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 6 (10859f300) [pid = 1625] [serial = 80] [outer = 0] [url = about:blank]
[task 2022-04-20T19:12:28.410Z] 19:12:28     INFO - GECKO(1621) | [Child 1624: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 4 (1076d9800) [pid = 1624] [serial = 35] [outer = 0] [url = about:blank]
[task 2022-04-20T19:12:28.419Z] 19:12:28     INFO - GECKO(1621) | [Child 1624: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 106e59800 == 1 [pid = 1624] [id = 11] [url = about:newtab]
[task 2022-04-20T19:12:28.419Z] 19:12:28     INFO - GECKO(1621) | [Child 1624: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 106e50400 == 0 [pid = 1624] [id = 0] [url = about:newtab]
[task 2022-04-20T19:12:28.431Z] 19:12:28     INFO - GECKO(1621) | [Child 1625: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 5 (10859df10) [pid = 1625] [serial = 83] [outer = 0] [url = about:blank]
[task 2022-04-20T19:12:28.432Z] 19:12:28     INFO - GECKO(1621) | [Child 1625: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 4 (10859e480) [pid = 1625] [serial = 86] [outer = 0] [url = about:blank]
[task 2022-04-20T19:12:28.438Z] 19:12:28     INFO - GECKO(1621) | [Child 1624, Main Thread] WARNING: NS_ENSURE_TRUE(!mHasOrHasHadOwnerWindow || mOwnerWindow) failed: file /builds/worker/checkouts/gecko/dom/events/DOMEventTargetHelper.cpp:306
[task 2022-04-20T19:12:28.469Z] 19:12:28     INFO - GECKO(1621) | [Child 1624: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 3 (100f9e9f0) [pid = 1624] [serial = 34] [outer = 0] [url = about:newtab]
[task 2022-04-20T19:12:28.469Z] 19:12:28     INFO - GECKO(1621) | [Child 1624: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 2 (1076de800) [pid = 1624] [serial = 36] [outer = 0] [url = about:newtab]
[task 2022-04-20T19:12:28.641Z] 19:12:28     INFO - GECKO(1621) | [Child 1624: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 1 (100f9df10) [pid = 1624] [serial = 1] [outer = 0] [url = about:newtab]
[task 2022-04-20T19:12:29.131Z] 19:12:29     INFO - GECKO(1621) | [Parent 1621: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 48 (129d41800) [pid = 1621] [serial = 144] [outer = 0] [url = about:blank]
[task 2022-04-20T19:12:29.132Z] 19:12:29     INFO - GECKO(1621) | [Parent 1621: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 12f658400 == 16 [pid = 1621] [id = 67] [url = chrome://browser/content/places/places.xhtml]
[task 2022-04-20T19:12:29.133Z] 19:12:29     INFO - GECKO(1621) | [Parent 1621: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 130421000 == 15 [pid = 1621] [id = 68] [url = about:downloads]
[task 2022-04-20T19:12:29.133Z] 19:12:29     INFO - GECKO(1621) | [Parent 1621: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 11f7b0c00 == 14 [pid = 1621] [id = 69] [url = about:downloads]
[task 2022-04-20T19:12:29.134Z] 19:12:29     INFO - GECKO(1621) | [Parent 1621: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 1217a3c00 == 13 [pid = 1621] [id = 63] [url = chrome://browser/content/places/places.xhtml]
[task 2022-04-20T19:12:29.134Z] 19:12:29     INFO - GECKO(1621) | [Parent 1621: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 154b07c00 == 12 [pid = 1621] [id = 64] [url = chrome://browser/content/browser.xhtml]
[task 2022-04-20T19:12:29.135Z] 19:12:29     INFO - GECKO(1621) | [Parent 1621: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 12f5e5400 == 11 [pid = 1621] [id = 66] [url = chrome://browser/content/places/places.xhtml]
[task 2022-04-20T19:12:29.135Z] 19:12:29     INFO - GECKO(1621) | [Parent 1621: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 127fd6c00 == 10 [pid = 1621] [id = 62] [url = chrome://browser/content/places/places.xhtml]
[task 2022-04-20T19:12:29.146Z] 19:12:29     INFO - GECKO(1621) | [Parent 1621: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 12a0be400 == 9 [pid = 1621] [id = 71] [url = chrome://browser/content/browser.xhtml]
[task 2022-04-20T19:12:29.154Z] 19:12:29     INFO - GECKO(1621) | [Parent 1621: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 11f46ac00 == 8 [pid = 1621] [id = 70] [url = about:downloads]
[task 2022-04-20T19:12:29.154Z] 19:12:29     INFO - GECKO(1621) | [Parent 1621: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 12d1c9000 == 7 [pid = 1621] [id = 73] [url = about:downloads]
[task 2022-04-20T19:12:29.155Z] 19:12:29     INFO - GECKO(1621) | [Parent 1621: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 12d532400 == 6 [pid = 1621] [id = 72] [url = about:blank]
<...>
[task 2022-04-20T19:12:33.911Z] 19:12:33     INFO - GECKO(1621) | [Child 1623, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_DoneGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:468
[task 2022-04-20T19:12:33.915Z] 19:12:33     INFO - GECKO(1621) | [Child 1623, Main Thread] WARNING: Extra shutdown CC: 'i < NORMAL_SHUTDOWN_COLLECTIONS', file /builds/worker/checkouts/gecko/xpcom/base/nsCycleCollector.cpp:3359
[task 2022-04-20T19:12:33.917Z] 19:12:33     INFO - GECKO(1621) | [Parent 1621: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 127fdc800 == 3 [pid = 1621] [id = 4] [url = chrome://mochikit/content/browser-harness.xhtml]
[task 2022-04-20T19:12:33.917Z] 19:12:33     INFO - GECKO(1621) | [Parent 1621: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 120446400 == 2 [pid = 1621] [id = 3] [url = about:blank]
[task 2022-04-20T19:12:33.917Z] 19:12:33     INFO - GECKO(1621) | [Child 1623, Main Thread] WARNING: NS_ENSURE_TRUE(InitStaticMembers()) failed: file /builds/worker/workspace/obj-build/dist/include/mozilla/Preferences.h:128
[task 2022-04-20T19:12:33.917Z] 19:12:33     INFO - GECKO(1621) | [Child 1623, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_StartedGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:468
[task 2022-04-20T19:12:33.919Z] 19:12:33     INFO - GECKO(1621) | [Child 1635, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_DoneGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:468
[task 2022-04-20T19:12:33.919Z] 19:12:33     INFO - GECKO(1621) | [Child 1624, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_StartedGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:468
[task 2022-04-20T19:12:33.920Z] 19:12:33     INFO - GECKO(1621) | [Child 1623, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_DoneGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:468
[task 2022-04-20T19:12:33.921Z] 19:12:33     INFO - GECKO(1621) | [Child 1623, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_StartedGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:468
[task 2022-04-20T19:12:33.922Z] 19:12:33     INFO - GECKO(1621) | [Child 1625, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_DoneGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:468
[task 2022-04-20T19:12:33.922Z] 19:12:33     INFO - GECKO(1621) | [Child 1623, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_DoneGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:468
[task 2022-04-20T19:12:33.923Z] 19:12:33     INFO - GECKO(1621) | [Child 1624, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_DoneGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:468
[task 2022-04-20T19:12:33.924Z] 19:12:33     INFO - GECKO(1621) | [Child 1635, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_StartedGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:468
[task 2022-04-20T19:12:33.925Z] 19:12:33     INFO - GECKO(1621) | [Child 1624, Main Thread] WARNING: Extra shutdown CC: 'i < NORMAL_SHUTDOWN_COLLECTIONS', file /builds/worker/checkouts/gecko/xpcom/base/nsCycleCollector.cpp:3359
[task 2022-04-20T19:12:33.925Z] 19:12:33     INFO - GECKO(1621) | [Child 1635, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_DoneGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:468
[task 2022-04-20T19:12:33.926Z] 19:12:33     INFO - GECKO(1621) | [Child 1623, Main Thread] WARNING: NS_ENSURE_TRUE(Preferences::InitStaticMembers()) failed: file /builds/worker/checkouts/gecko/modules/libpref/Preferences.cpp:4464
[task 2022-04-20T19:12:33.926Z] 19:12:33     INFO - GECKO(1621) | [Child 1624, Main Thread] WARNING: NS_ENSURE_TRUE(InitStaticMembers()) failed: file /builds/worker/workspace/obj-build/dist/include/mozilla/Preferences.h:128
[task 2022-04-20T19:12:33.927Z] 19:12:33     INFO - GECKO(1621) | [Child 1624, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_StartedGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:468
[task 2022-04-20T19:12:33.927Z] 19:12:33     INFO - GECKO(1621) | [Child 1635, Main Thread] WARNING: Extra shutdown CC: 'i < NORMAL_SHUTDOWN_COLLECTIONS', file /builds/worker/checkouts/gecko/xpcom/base/nsCycleCollector.cpp:3359
[task 2022-04-20T19:12:33.928Z] 19:12:33     INFO - GECKO(1621) | [Child 1624, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_DoneGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:468
[task 2022-04-20T19:12:33.928Z] 19:12:33     INFO - GECKO(1621) | [Child 1624, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_StartedGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:468
[task 2022-04-20T19:12:33.929Z] 19:12:33     INFO - GECKO(1621) | [Child 1635, Main Thread] WARNING: NS_ENSURE_TRUE(InitStaticMembers()) failed: file /builds/worker/workspace/obj-build/dist/include/mozilla/Preferences.h:128
[task 2022-04-20T19:12:33.929Z] 19:12:33     INFO - GECKO(1621) | [Child 1635, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_StartedGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:468
[task 2022-04-20T19:12:33.930Z] 19:12:33     INFO - GECKO(1621) | [Child 1624, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_DoneGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:468
[task 2022-04-20T19:12:33.930Z] 19:12:33     INFO - GECKO(1621) | [Child 1625, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_StartedGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:468
[task 2022-04-20T19:12:33.930Z] 19:12:33     INFO - GECKO(1621) | [Child 1635, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_DoneGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:468
[task 2022-04-20T19:12:33.931Z] 19:12:33     INFO - GECKO(1621) | [Child 1635, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_StartedGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:468
[task 2022-04-20T19:12:33.931Z] 19:12:33     INFO - GECKO(1621) | [Child 1635, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_DoneGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:468
[task 2022-04-20T19:12:33.932Z] 19:12:33     INFO - GECKO(1621) | [Parent 1621: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 11d25bc00 == 1 [pid = 1621] [id = 1] [url = chrome://browser/content/browser.xhtml]
[task 2022-04-20T19:12:33.932Z] 19:12:33     INFO - GECKO(1621) | [Child 1624, Main Thread] WARNING: NS_ENSURE_TRUE(Preferences::InitStaticMembers()) failed: file /builds/worker/checkouts/gecko/modules/libpref/Preferences.cpp:4464
[task 2022-04-20T19:12:33.933Z] 19:12:33     INFO - GECKO(1621) | [Child 1625, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_DoneGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:468
[task 2022-04-20T19:12:33.933Z] 19:12:33     INFO - GECKO(1621) | [Child 1635, Main Thread] WARNING: NS_ENSURE_TRUE(Preferences::InitStaticMembers()) failed: file /builds/worker/checkouts/gecko/modules/libpref/Preferences.cpp:4464
[task 2022-04-20T19:12:33.933Z] 19:12:33     INFO - GECKO(1621) | [Parent 1621: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 11cd11400 == 0 [pid = 1621] [id = 0] [url = chrome://browser/content/hiddenWindowMac.xhtml]
[task 2022-04-20T19:12:33.934Z] 19:12:33     INFO - GECKO(1621) | [Child 1625: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 1 (10859e9f0) [pid = 1625] [serial = 89] [outer = 0] [url = about:blank]
[task 2022-04-20T19:12:33.934Z] 19:12:33     INFO - GECKO(1621) | [Child 1625: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 0 (110e57000) [pid = 1625] [serial = 90] [outer = 0] [url = about:blank]
[task 2022-04-20T19:12:33.935Z] 19:12:33     INFO - GECKO(1621) | [Child 1625, Main Thread] WARNING: Extra shutdown CC: 'i < NORMAL_SHUTDOWN_COLLECTIONS', file /builds/worker/checkouts/gecko/xpcom/base/nsCycleCollector.cpp:3359
[task 2022-04-20T19:12:33.935Z] 19:12:33     INFO - GECKO(1621) | [Child 1625, Main Thread] WARNING: NS_ENSURE_TRUE(InitStaticMembers()) failed: file /builds/worker/workspace/obj-build/dist/include/mozilla/Preferences.h:128
[task 2022-04-20T19:12:33.935Z] 19:12:33     INFO - GECKO(1621) | [Child 1625, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_StartedGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:468
[task 2022-04-20T19:12:33.936Z] 19:12:33     INFO - GECKO(1621) | [Child 1625, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_DoneGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:468
[task 2022-04-20T19:12:33.936Z] 19:12:33     INFO - GECKO(1621) | [Child 1625, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_StartedGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:468
[task 2022-04-20T19:12:33.936Z] 19:12:33     INFO - GECKO(1621) | [Child 1625, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_DoneGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:468
[task 2022-04-20T19:12:33.937Z] 19:12:33     INFO - GECKO(1621) | [Child 1625, Main Thread] WARNING: NS_ENSURE_TRUE(Preferences::InitStaticMembers()) failed: file /builds/worker/checkouts/gecko/modules/libpref/Preferences.cpp:4464
[task 2022-04-20T19:12:34.086Z] 19:12:34     INFO - GECKO(1621) | [Parent 1621, IPDL Background] WARNING: quota manager shutdown step: '0.000005s: startCrashBrowserTimer', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3808
[task 2022-04-20T19:12:34.087Z] 19:12:34     INFO - GECKO(1621) | [Parent 1621, IPDL Background] WARNING: quota manager shutdown step: '0.000039s: initiateShutdownWorkThreads', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3808
[task 2022-04-20T19:12:34.087Z] 19:12:34     INFO - GECKO(1621) | [Parent 1621, IPDL Background] WARNING: idb: '0.000049s: starting', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3808
[task 2022-04-20T19:12:34.088Z] 19:12:34     INFO - GECKO(1621) | [Parent 1621, IPDL Background] WARNING: idb: '0.000128s: Live database entry removed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3808
[task 2022-04-20T19:12:34.088Z] 19:12:34     INFO - GECKO(1621) | [Parent 1621, IPDL Background] WARNING: idb: '0.000139s: gLiveDatabaseHashtable entry removed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3808
[task 2022-04-20T19:12:34.088Z] 19:12:34     INFO - GECKO(1621) | [Parent 1621, IPDL Background] WARNING: idb: '0.000296s: Live database entry removed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3808
[task 2022-04-20T19:12:34.089Z] 19:12:34     INFO - GECKO(1621) | [Parent 1621, IPDL Background] WARNING: idb: '0.000303s: gLiveDatabaseHashtable entry removed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3808
[task 2022-04-20T19:12:34.089Z] 19:12:34     INFO - GECKO(1621) | [Parent 1621, IPDL Background] WARNING: cache: '0.000344s: starting', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3808
[task 2022-04-20T19:12:34.089Z] 19:12:34     INFO - GECKO(1621) | [Parent 1621, IPDL Background] WARNING: sdb: '0.000354s: starting', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3808
[task 2022-04-20T19:12:34.090Z] 19:12:34     INFO - GECKO(1621) | [Parent 1621, IPDL Background] WARNING: ls: '0.000359s: starting', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3808
[task 2022-04-20T19:12:34.090Z] 19:12:34     INFO - GECKO(1621) | [Parent 1621, IPDL Background] WARNING: quota manager shutdown step: '0.000384s: startKillActorsTimer', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3808
[task 2022-04-20T19:12:34.091Z] 19:12:34     INFO - GECKO(1621) | [Parent 1621, IPDL Background] WARNING: idb: '0.000500s: Live database entry removed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3808
[task 2022-04-20T19:12:34.091Z] 19:12:34     INFO - GECKO(1621) | [Parent 1621, IPDL Background] WARNING: idb: '0.000507s: gLiveDatabaseHashtable entry removed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3808
[task 2022-04-20T19:12:34.140Z] 19:12:34     INFO - GECKO(1621) | [Parent 1621, IPDL Background] WARNING: idb: '0.053871s: Live database entry removed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3808
[task 2022-04-20T19:12:34.141Z] 19:12:34     INFO - GECKO(1621) | [Parent 1621, IPDL Background] WARNING: idb: '0.053923s: Live database entry removed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3808
[task 2022-04-20T19:12:34.141Z] 19:12:34     INFO - GECKO(1621) | [Parent 1621, IPDL Background] WARNING: idb: '0.053948s: gLiveDatabaseHashtable entry removed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3808
[task 2022-04-20T19:12:34.141Z] 19:12:34     INFO - GECKO(1621) | [Parent 1621, IPDL Background] WARNING: quota manager shutdown step: '0.053990s: stopKillActorsTimer', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3808
[task 2022-04-20T19:12:34.142Z] 19:12:34     INFO - GECKO(1621) | [Parent 1621, IPDL Background] WARNING: quota manager shutdown step: '0.054000s: shutdownAndJoinWorkThreads', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3808
[task 2022-04-20T19:12:34.142Z] 19:12:34     INFO - GECKO(1621) | [Parent 1621, IPDL Background] WARNING: idb: '0.054004s: completed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3808
[task 2022-04-20T19:12:34.142Z] 19:12:34     INFO - GECKO(1621) | [Parent 1621, IPDL Background] WARNING: cache: '0.054066s: completed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3808
[task 2022-04-20T19:12:34.143Z] 19:12:34     INFO - GECKO(1621) | [Parent 1621, IPDL Background] WARNING: sdb: '0.054072s: completed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3808
[task 2022-04-20T19:12:34.143Z] 19:12:34     INFO - GECKO(1621) | [Parent 1621, IPDL Background] WARNING: ls: '0.054075s: completed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3808
[task 2022-04-20T19:12:34.143Z] 19:12:34     INFO - GECKO(1621) | [Parent 1621, IPDL Background] WARNING: quota manager shutdown step: '0.054080s: shutdownAndJoinIOThread', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3808
[task 2022-04-20T19:12:34.222Z] 19:12:34     INFO - GECKO(1621) | [Parent 1621, IPDL Background] WARNING: quota manager shutdown step: '0.135954s: invalidatePendingDirectoryLocks', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3808
[task 2022-04-20T19:12:34.223Z] 19:12:34     INFO - GECKO(1621) | [Parent 1621, IPDL Background] WARNING: quota manager shutdown step: '0.135970s: stopCrashBrowserTimer', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3808
[task 2022-04-20T19:12:34.424Z] 19:12:34     INFO - GECKO(1621) | [Parent 1621, Main Thread] WARNING: nsAppShell::Exit() called redundantly: file /builds/worker/checkouts/gecko/widget/cocoa/nsAppShell.mm:823
[task 2022-04-20T19:13:44.860Z] 19:13:44     INFO - GECKO(1621) | [Parent 1621: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 11 (150070f10) [pid = 1621] [serial = 137] [outer = 0] [url = chrome://browser/content/places/places.xhtml]
[task 2022-04-20T19:13:44.862Z] 19:13:44     INFO - GECKO(1621) | [Parent 1621: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 10 (11e45ac00) [pid = 1621] [serial = 4] [outer = 0] [url = about:blank]
[task 2022-04-20T19:13:44.863Z] 19:13:44     INFO - GECKO(1621) | [Parent 1621: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 9 (10203dfb0) [pid = 1621] [serial = 3] [outer = 0] [url = chrome://browser/content/browser.xhtml]
[task 2022-04-20T19:13:44.863Z] 19:13:44     INFO - GECKO(1621) | [Parent 1621: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 8 (10203c480) [pid = 1621] [serial = 10] [outer = 0] [url = chrome://mochikit/content/browser-harness.xhtml]
[task 2022-04-20T19:13:44.863Z] 19:13:44     INFO - GECKO(1621) | [Parent 1621: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 7 (128a51400) [pid = 1621] [serial = 11] [outer = 0] [url = about:blank]
[task 2022-04-20T19:13:44.864Z] 19:13:44     INFO - GECKO(1621) | [Parent 1621: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 6 (106409c00) [pid = 1621] [serial = 183] [outer = 0] [url = about:blank]
[task 2022-04-20T19:13:44.865Z] 19:13:44     INFO - GECKO(1621) | [Parent 1621: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 5 (10203d300) [pid = 1621] [serial = 5] [outer = 0] [url = chrome://extensions/content/dummy.xhtml]
[task 2022-04-20T19:13:44.865Z] 19:13:44     INFO - GECKO(1621) | [Parent 1621: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 4 (11cd0dc00) [pid = 1621] [serial = 7] [outer = 0] [url = chrome://extensions/content/dummy.xhtml]
[task 2022-04-20T19:13:44.865Z] 19:13:44     INFO - GECKO(1621) | [Parent 1621: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 3 (11d25c000) [pid = 1621] [serial = 2] [outer = 0] [url = about:blank]
[task 2022-04-20T19:13:44.866Z] 19:13:44     INFO - GECKO(1621) | [Parent 1621: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 2 (10203e350) [pid = 1621] [serial = 1] [outer = 0] [url = chrome://browser/content/hiddenWindowMac.xhtml]
[task 2022-04-20T19:13:44.866Z] 19:13:44     INFO - GECKO(1621) | [Parent 1621: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 1 (10203bd40) [pid = 1621] [serial = 8] [outer = 0] [url = about:blank]
[task 2022-04-20T19:13:44.866Z] 19:13:44     INFO - GECKO(1621) | [Parent 1621: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 0 (1260d7400) [pid = 1621] [serial = 138] [outer = 0] [url = about:blank]
[task 2022-04-20T19:13:44.883Z] 19:13:44     INFO - GECKO(1621) | [Parent 1621, Main Thread] WARNING: Extra shutdown CC: 'i < NORMAL_SHUTDOWN_COLLECTIONS', file /builds/worker/checkouts/gecko/xpcom/base/nsCycleCollector.cpp:3359
[task 2022-04-20T19:13:44.893Z] 19:13:44     INFO - GECKO(1621) | [Parent 1621, Main Thread] WARNING: NS_ENSURE_TRUE(InitStaticMembers()) failed: file /builds/worker/workspace/obj-build/dist/include/mozilla/Preferences.h:128
[task 2022-04-20T19:13:44.910Z] 19:13:44     INFO - GECKO(1621) | [Parent 1621, Main Thread] WARNING: NS_ENSURE_TRUE(Preferences::InitStaticMembers()) failed: file /builds/worker/checkouts/gecko/modules/libpref/Preferences.cpp:4464
[task 2022-04-20T19:13:44.930Z] 19:13:44     INFO - TEST-INFO | Main app process: exit 0
[task 2022-04-20T19:13:44.930Z] 19:13:44     INFO - TEST-INFO | Confirming we saw 171 DOCSHELL created and 171 destroyed log strings.
[task 2022-04-20T19:13:44.930Z] 19:13:44     INFO - TEST-INFO | Confirming we saw 440 DOMWINDOW created and 440 destroyed log strings.
[task 2022-04-20T19:13:44.931Z] 19:13:44    ERROR - TEST-UNEXPECTED-FAIL | browser/components/downloads/test/browser/browser_libraryDrop.js | leaked 1 window(s) until shutdown [url = chrome://browser/content/places/places.xhtml]
[task 2022-04-20T19:13:44.931Z] 19:13:44    ERROR - TEST-UNEXPECTED-FAIL | browser/components/downloads/test/browser/browser_libraryDrop.js | leaked 1 window(s) until shutdown [url = about:blank]
[task 2022-04-20T19:13:44.931Z] 19:13:44     INFO - TEST-INFO | browser/components/downloads/test/browser/browser_libraryDrop.js | windows(s) leaked: [pid = 1621] [serial = 137], [pid = 1621] [serial = 138]
[task 2022-04-20T19:13:44.932Z] 19:13:44     INFO - TEST-INFO | browser/components/downloads/test/browser/browser_libraryDrop.js | This test created 0 hidden window(s)
```