Bug: Intermittent Assertion failure: jsapi.HasException(), at /builds/worker/checkouts/gecko/dom/script/ModuleLoader.cpp:694
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2022-01-01 01:16:47+00:00
Resolved: 2022-03-15 17:03:21+00:00

**Filed by:** ctuns [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=362784813&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/elq_vVV0RimSoHlbcoNo_w/runs/0/artifacts/public/logs/live_backing.log

---
```
[task 2022-01-01T00:27:37.764Z] 00:27:37     INFO - TEST-START | browser/components/urlbar/tests/browser/browser_redirect_error.js
[task 2022-01-01T00:27:37.804Z] 00:27:37     INFO - GECKO(4116) | [Child 6886: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 7f206cb08c00 == 1 [pid = 6886] [id = 0]
[task 2022-01-01T00:27:37.804Z] 00:27:37     INFO - GECKO(4116) | [Child 6886: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 1 (7f208257d740) [pid = 6886] [serial = 1] [outer = 0]
[task 2022-01-01T00:27:37.807Z] 00:27:37     INFO - GECKO(4116) | [Child 6886: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 2 (7f206cb09000) [pid = 6886] [serial = 2] [outer = 7f208257d740]
[task 2022-01-01T00:27:38.113Z] 00:27:38     INFO - GECKO(4116) | ### XPCOM_MEM_BLOAT_LOG defined -- logging bloat/leaks to /tmp/tmpbrr6m4by.mozrunner/runtests_leaks_tab_pid6953.log
[task 2022-01-01T00:27:38.114Z] 00:27:38     INFO - GECKO(4116) | [6953, Main Thread] WARNING: XPCOM_MEM_BLOAT_LOG is set, disabling native allocations.: file /builds/worker/checkouts/gecko/tools/profiler/core/platform.cpp:253
[task 2022-01-01T00:27:38.139Z] 00:27:38     INFO - GECKO(4116) | [Child 6953, Main Thread] WARNING: could not set real-time limit in CubebUtils::InitLibrary: file /builds/worker/checkouts/gecko/dom/media/CubebUtils.cpp:644
[task 2022-01-01T00:27:38.293Z] 00:27:38     INFO - GECKO(4116) | [Child 6922: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 7ff345532000 == 1 [pid = 6922] [id = 0]
[task 2022-01-01T00:27:38.293Z] 00:27:38     INFO - GECKO(4116) | [Child 6922: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 1 (7ff35b07d740) [pid = 6922] [serial = 1] [outer = 0]
[task 2022-01-01T00:27:38.297Z] 00:27:38     INFO - GECKO(4116) | [Child 6922: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 2 (7ff345532400) [pid = 6922] [serial = 2] [outer = 7ff35b07d740]
[task 2022-01-01T00:27:38.446Z] 00:27:38     INFO - GECKO(4116) | [Child 6886, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_StartedGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:523
[task 2022-01-01T00:27:38.489Z] 00:27:38     INFO - GECKO(4116) | [Child 6886, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_DoneGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:523
[task 2022-01-01T00:27:38.515Z] 00:27:38     INFO - GECKO(4116) | [Child 6886: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7f206cb08c00 == 0 [pid = 6886] [id = 0] [url = about:blank]
[task 2022-01-01T00:27:38.524Z] 00:27:38     INFO - GECKO(4116) | [Child 6886, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_StartedGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:523
[task 2022-01-01T00:27:38.545Z] 00:27:38     INFO - GECKO(4116) | [Child 6886, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_DoneGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:523
[task 2022-01-01T00:27:38.549Z] 00:27:38     INFO - GECKO(4116) | [Child 6886: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 1 (7f208257d740) [pid = 6886] [serial = 1] [outer = 0] [url = about:blank]
[task 2022-01-01T00:27:38.550Z] 00:27:38     INFO - GECKO(4116) | [Child 6886: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 0 (7f206cb09000) [pid = 6886] [serial = 2] [outer = 0] [url = about:blank]
[task 2022-01-01T00:27:38.551Z] 00:27:38     INFO - GECKO(4116) | [Child 6886, Main Thread] WARNING: Extra shutdown CC: 'i < NORMAL_SHUTDOWN_COLLECTIONS', file /builds/worker/checkouts/gecko/xpcom/base/nsCycleCollector.cpp:3351
[task 2022-01-01T00:27:38.556Z] 00:27:38     INFO - GECKO(4116) | [Child 6886, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_StartedGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:523
[task 2022-01-01T00:27:38.564Z] 00:27:38     INFO - GECKO(4116) | [Child 6886, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_DoneGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:523
[task 2022-01-01T00:27:38.564Z] 00:27:38     INFO - GECKO(4116) | [Child 6886, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_StartedGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:523
[task 2022-01-01T00:27:38.566Z] 00:27:38     INFO - GECKO(4116) | [Child 6886, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_DoneGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:523
[task 2022-01-01T00:27:38.576Z] 00:27:38     INFO - GECKO(4116) | [Child 6886, Main Thread] WARNING: NS_ENSURE_TRUE(Preferences::InitStaticMembers()) failed: file /builds/worker/checkouts/gecko/modules/libpref/Preferences.cpp:4438
[task 2022-01-01T00:27:38.657Z] 00:27:38     INFO - GECKO(4116) | [Child 6922, Main Thread] WARNING: NS_ENSURE_TRUE(info) failed: file /builds/worker/checkouts/gecko/extensions/permissions/PermissionDelegateHandler.cpp:348
[task 2022-01-01T00:27:38.737Z] 00:27:38     INFO - GECKO(4116) | [Child 6922, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, false) failed with result 0x804B0050 (NS_ERROR_INSUFFICIENT_DOMAIN_LEVELS): file /builds/worker/checkouts/gecko/toolkit/components/antitracking/URLQueryStringStripper.cpp:129
[task 2022-01-01T00:27:38.868Z] 00:27:38     INFO - GECKO(4116) | [Child 6922: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 3 (7ff345535400) [pid = 6922] [serial = 3] [outer = 7ff35b07d740]
[task 2022-01-01T00:27:39.017Z] 00:27:39     INFO - GECKO(4116) | ### XPCOM_MEM_BLOAT_LOG defined -- logging bloat/leaks to /tmp/tmpbrr6m4by.mozrunner/runtests_leaks_tab_pid6975.log
[task 2022-01-01T00:27:39.033Z] 00:27:39     INFO - GECKO(4116) | [6975, Main Thread] WARNING: XPCOM_MEM_BLOAT_LOG is set, disabling native allocations.: file /builds/worker/checkouts/gecko/tools/profiler/core/platform.cpp:253
[task 2022-01-01T00:27:39.089Z] 00:27:39     INFO - GECKO(4116) | JavaScript warning: , line 0: Script terminated by timeout at:
[task 2022-01-01T00:27:39.089Z] 00:27:39     INFO - GECKO(4116) | Assertion failure: jsapi.HasException(), at /builds/worker/checkouts/gecko/dom/script/ModuleLoader.cpp:694
[task 2022-01-01T00:27:39.111Z] 00:27:39     INFO -  Initializing stack-fixing for the first stack frame, this may take a while...
[task 2022-01-01T00:27:48.513Z] 00:27:48     INFO - GECKO(4116) | #01: mozilla::dom::ModuleLoader::InstantiateModuleTree(mozilla::dom::ModuleLoadRequest*) [dom/script/ModuleLoader.cpp:694]
[task 2022-01-01T00:27:48.516Z] 00:27:48     INFO - GECKO(4116) | #02: mozilla::dom::ScriptLoader::ProcessRequest(mozilla::dom::ScriptLoadRequest*) [dom/script/ScriptLoader.cpp:1986]
[task 2022-01-01T00:27:48.517Z] 00:27:48     INFO - GECKO(4116) | #03: mozilla::dom::ScriptLoader::ProcessPendingRequests() [dom/script/ScriptLoader.cpp:2802]
[task 2022-01-01T00:27:48.518Z] 00:27:48     INFO - GECKO(4116) | #04: mozilla::dom::ScriptLoader::ProcessLoadedModuleTree(mozilla::dom::ModuleLoadRequest*) [dom/script/ScriptLoader.cpp:767]
[task 2022-01-01T00:27:48.518Z] 00:27:48     INFO - GECKO(4116) | #05: mozilla::dom::ModuleLoadRequest::LoadFinished() [dom/script/ModuleLoadRequest.cpp:227]
[task 2022-01-01T00:27:48.519Z] 00:27:48     INFO - GECKO(4116) | #06: mozilla::MozPromise<CopyableTArray<bool>, nsresult, true>::ThenValue<mozilla::dom::ModuleLoadRequest*, void (mozilla::dom::ModuleLoadRequest::*)(), void (mozilla::dom::ModuleLoadRequest::*)()>::DoResolveOrRejectInternal(mozilla::MozPromise<CopyableTArray<bool>, nsresult, true>::ResolveOrRejectValue&) [xpcom/threads/MozPromise.h:715]
[task 2022-01-01T00:27:48.519Z] 00:27:48     INFO - GECKO(4116) | #07: mozilla::MozPromise<CopyableTArray<bool>, nsresult, true>::ThenValueBase::ResolveOrRejectRunnable::Run() [xpcom/threads/MozPromise.h:488]
[task 2022-01-01T00:27:48.519Z] 00:27:48     INFO - GECKO(4116) | #08: mozilla::RunnableTask::Run() [xpcom/threads/TaskController.cpp:469]
[task 2022-01-01T00:27:48.520Z] 00:27:48     INFO - GECKO(4116) | #09: mozilla::TaskController::DoExecuteNextTaskOnlyMainThreadInternal(mozilla::detail::BaseAutoLock<mozilla::Mutex&> const&) [xpcom/threads/TaskController.cpp:771]
[task 2022-01-01T00:27:48.520Z] 00:27:48     INFO - GECKO(4116) | #10: mozilla::TaskController::ExecuteNextTaskOnlyMainThreadInternal(mozilla::detail::BaseAutoLock<mozilla::Mutex&> const&) [xpcom/threads/TaskController.cpp:607]
[task 2022-01-01T00:27:48.521Z] 00:27:48     INFO - GECKO(4116) | #11: mozilla::TaskController::ProcessPendingMTTask(bool) [xpcom/threads/TaskController.cpp:391]
[task 2022-01-01T00:27:48.521Z] 00:27:48     INFO - GECKO(4116) | #12: mozilla::detail::RunnableFunction<mozilla::TaskController::InitializeInternal()::$_0>::Run() [xpcom/threads/nsThreadUtils.h:532]
[task 2022-01-01T00:27:48.522Z] 00:27:48     INFO - GECKO(4116) | #13: nsThread::ProcessNextEvent(bool, bool*) [xpcom/threads/nsThread.cpp:1187]
[task 2022-01-01T00:27:48.522Z] 00:27:48     INFO - GECKO(4116) | #14: NS_ProcessNextEvent(nsIThread*, bool) [xpcom/threads/nsThreadUtils.cpp:467]
[task 2022-01-01T00:27:48.523Z] 00:27:48     INFO - GECKO(4116) | #15: mozilla::ipc::MessagePump::Run(base::MessagePump::Delegate*) [ipc/glue/MessagePump.cpp:85]
[task 2022-01-01T00:27:48.523Z] 00:27:48     INFO - GECKO(4116) | [Child 6975, Main Thread] WARNING: could not set real-time limit in CubebUtils::InitLibrary: file /builds/worker/checkouts/gecko/dom/media/CubebUtils.cpp:644
[task 2022-01-01T00:27:48.524Z] 00:27:48     INFO - GECKO(4116) | #16: MessageLoop::RunInternal() [ipc/chromium/src/base/message_loop.cc:331]
[task 2022-01-01T00:27:48.526Z] 00:27:48     INFO - GECKO(4116) | #17: MessageLoop::Run() [ipc/chromium/src/base/message_loop.cc:307]
[task 2022-01-01T00:27:48.527Z] 00:27:48     INFO - GECKO(4116) | #18: nsBaseAppShell::Run() [widget/nsBaseAppShell.cpp:139]
[task 2022-01-01T00:27:48.528Z] 00:27:48     INFO - GECKO(4116) | #19: XRE_RunAppShell() [toolkit/xre/nsEmbedFunctions.cpp:864]
[task 2022-01-01T00:27:48.528Z] 00:27:48     INFO - GECKO(4116) | #20: mozilla::ipc::MessagePumpForChildProcess::Run(base::MessagePump::Delegate*) [ipc/glue/MessagePump.cpp:235]
[task 2022-01-01T00:27:48.529Z] 00:27:48     INFO - GECKO(4116) | #21: MessageLoop::RunInternal() [ipc/chromium/src/base/message_loop.cc:331]
[task 2022-01-01T00:27:48.529Z] 00:27:48     INFO - GECKO(4116) | #22: MessageLoop::Run() [ipc/chromium/src/base/message_loop.cc:307]
[task 2022-01-01T00:27:48.530Z] 00:27:48     INFO - GECKO(4116) | #23: XRE_InitChildProcess(int, char**, XREChildData const*) [toolkit/xre/nsEmbedFunctions.cpp:701]
[task 2022-01-01T00:27:48.571Z] 00:27:48     INFO - GECKO(4116) | #24: content_process_main(mozilla::Bootstrap*, int, char**) [ipc/contentproc/plugin-container.cpp:58]
[task 2022-01-01T00:27:48.572Z] 00:27:48     INFO - GECKO(4116) | #25: main [browser/app/nsBrowserApp.cpp:327]
[task 2022-01-01T00:27:48.582Z] 00:27:48     INFO - GECKO(4116) | #26: __libc_start_main [/lib/x86_64-linux-gnu/libc.so.6 + 0x21b97]
[task 2022-01-01T00:27:48.583Z] 00:27:48     INFO - GECKO(4116) | #27: ??? [/builds/worker/workspace/build/application/firefox/firefox-bin + 0x424a9]
[task 2022-01-01T00:27:48.583Z] 00:27:48     INFO - GECKO(4116) | #28: ??? (???:???)
[task 2022-01-01T00:27:48.584Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116, IPC I/O Parent] WARNING: [1.1]: Ignoring message 'EVENT_MESSAGE' to unknown peer 6506CF2EA04E5FA7.56625DC8368A737A: file /builds/worker/checkouts/gecko/ipc/glue/NodeController.cpp:341
[task 2022-01-01T00:27:48.584Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116, IPC I/O Parent] WARNING: [1.1]: Ignoring message 'EVENT_MESSAGE' to unknown peer 6506CF2EA04E5FA7.56625DC8368A737A: file /builds/worker/checkouts/gecko/ipc/glue/NodeController.cpp:341
[task 2022-01-01T00:27:48.584Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116, IPC I/O Parent] WARNING: [1.1]: Ignoring message 'EVENT_MESSAGE' to unknown peer 6506CF2EA04E5FA7.56625DC8368A737A: file /builds/worker/checkouts/gecko/ipc/glue/NodeController.cpp:341
[task 2022-01-01T00:27:48.585Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116, IPC I/O Parent] WARNING: [1.1]: Ignoring message 'EVENT_MESSAGE' to unknown peer 6506CF2EA04E5FA7.56625DC8368A737A: file /builds/worker/checkouts/gecko/ipc/glue/NodeController.cpp:341
[task 2022-01-01T00:27:48.585Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116, IPC I/O Parent] WARNING: [1.1]: Ignoring message 'EVENT_MESSAGE' to unknown peer 6506CF2EA04E5FA7.56625DC8368A737A: file /builds/worker/checkouts/gecko/ipc/glue/NodeController.cpp:341
[task 2022-01-01T00:27:48.585Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116, IPC I/O Parent] WARNING: [1.1]: Ignoring message 'EVENT_MESSAGE' to unknown peer 6506CF2EA04E5FA7.56625DC8368A737A: file /builds/worker/checkouts/gecko/ipc/glue/NodeController.cpp:341
[task 2022-01-01T00:27:48.586Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116, IPC I/O Parent] WARNING: [1.1]: Ignoring message 'EVENT_MESSAGE' to unknown peer 6506CF2EA04E5FA7.56625DC8368A737A: file /builds/worker/checkouts/gecko/ipc/glue/NodeController.cpp:341
[task 2022-01-01T00:27:48.586Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116, IPC I/O Parent] WARNING: [1.1]: Ignoring message 'EVENT_MESSAGE' to unknown peer 6506CF2EA04E5FA7.56625DC8368A737A: file /builds/worker/checkouts/gecko/ipc/glue/NodeController.cpp:341
[task 2022-01-01T00:27:48.587Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116, IPC I/O Parent] WARNING: [1.1]: Ignoring message 'EVENT_MESSAGE' to unknown peer 6506CF2EA04E5FA7.56625DC8368A737A: file /builds/worker/checkouts/gecko/ipc/glue/NodeController.cpp:341
[task 2022-01-01T00:27:48.587Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116, IPC I/O Parent] WARNING: [1.1]: Ignoring message 'EVENT_MESSAGE' to unknown peer 6506CF2EA04E5FA7.56625DC8368A737A: file /builds/worker/checkouts/gecko/ipc/glue/NodeController.cpp:341
[task 2022-01-01T00:27:48.590Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116, IPC I/O Parent] WARNING: [1.1]: Ignoring message 'EVENT_MESSAGE' to unknown peer 6506CF2EA04E5FA7.56625DC8368A737A: file /builds/worker/checkouts/gecko/ipc/glue/NodeController.cpp:341
[task 2022-01-01T00:27:48.591Z] 00:27:48     INFO - GECKO(4116) | ###!!! [Parent][RunMessage] Error: Channel error: cannot send/recv
[task 2022-01-01T00:27:48.591Z] 00:27:48     INFO - GECKO(4116) | ###!!! [Parent][RunMessage] Error: Channel error: cannot send/recv
[task 2022-01-01T00:27:48.592Z] 00:27:48     INFO - GECKO(4116) | ###!!! [Parent][MessageChannel] Error: (msgtype=0x230072,name=PBrowser::Msg_Activate) Channel error: cannot send/recv
[task 2022-01-01T00:27:48.593Z] 00:27:48     INFO - GECKO(4116) | ###!!! [Parent][MessageChannel] Error: (msgtype=0x23005B,name=PBrowser::Msg_UpdateEffects) Channel error: cannot send/recv
[task 2022-01-01T00:27:48.593Z] 00:27:48     INFO - GECKO(4116) | ###!!! [Parent][RunMessage] Error: Channel error: cannot send/recv
[task 2022-01-01T00:27:48.594Z] 00:27:48     INFO - GECKO(4116) | ###!!! [Parent][RunMessage] Error: Channel error: cannot send/recv
[task 2022-01-01T00:27:48.595Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116, Main Thread] WARNING: IPC message 'PBrowser::Msg_StopIMEStateManagement' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:523
[task 2022-01-01T00:27:48.595Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116, Main Thread] WARNING: IPC message 'PBrowser::Msg_Destroy' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:523
[task 2022-01-01T00:27:48.596Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116, Main Thread] WARNING: No build ID mismatch: file /builds/worker/checkouts/gecko/dom/base/nsFrameLoader.cpp:3837
[task 2022-01-01T00:27:48.596Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116, Main Thread] WARNING: IPC message 'PContent::Msg_CommitBrowsingContextTransaction' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:523
[task 2022-01-01T00:27:48.597Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116, Main Thread] WARNING: IPC message 'PContent::Msg_DiscardBrowsingContext' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:523
[task 2022-01-01T00:27:48.597Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116, Main Thread] WARNING: 'aOwner->IsDiscarded()', file /builds/worker/workspace/obj-build/dist/include/mozilla/dom/SyncedContextInlines.h:94
[task 2022-01-01T00:27:48.597Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 7f4611354800 == 18 [pid = 4116] [id = 95]
[task 2022-01-01T00:27:48.597Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 44 (7f4612b09580) [pid = 4116] [serial = 228] [outer = 0]
[task 2022-01-01T00:27:48.598Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 45 (7f4611980c00) [pid = 4116] [serial = 229] [outer = 7f4612b09580]
[task 2022-01-01T00:27:48.598Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, false) failed with result 0x804B0050 (NS_ERROR_INSUFFICIENT_DOMAIN_LEVELS): file /builds/worker/checkouts/gecko/toolkit/components/antitracking/URLQueryStringStripper.cpp:129
[task 2022-01-01T00:27:48.599Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116, Main Thread] WARNING: 'aOwner->IsDiscarded()', file /builds/worker/workspace/obj-build/dist/include/mozilla/dom/SyncedContextInlines.h:94
[task 2022-01-01T00:27:48.599Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 46 (7f46104d0400) [pid = 4116] [serial = 230] [outer = 7f4612b09580]
[task 2022-01-01T00:27:48.600Z] 00:27:48     INFO - GECKO(4116) | ### XPCOM_MEM_BLOAT_LOG defined -- logging bloat/leaks to /tmp/tmpbrr6m4by.mozrunner/runtests_leaks_tab_pid6998.log
[task 2022-01-01T00:27:48.601Z] 00:27:48     INFO - GECKO(4116) | [6998, Main Thread] WARNING: XPCOM_MEM_BLOAT_LOG is set, disabling native allocations.: file /builds/worker/checkouts/gecko/tools/profiler/core/platform.cpp:253
[task 2022-01-01T00:27:48.601Z] 00:27:48     INFO - GECKO(4116) | [Child 6998, Main Thread] WARNING: could not set real-time limit in CubebUtils::InitLibrary: file /builds/worker/checkouts/gecko/dom/media/CubebUtils.cpp:644
[task 2022-01-01T00:27:48.601Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7f4611af1000 == 17 [pid = 4116] [id = 88] [url = about:mozilla]
[task 2022-01-01T00:27:48.602Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 45 (7f4611349400) [pid = 4116] [serial = 211] [outer = 0] [url = about:blank]
[task 2022-01-01T00:27:48.603Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7f4611c73000 == 16 [pid = 4116] [id = 94] [url = about:blank]
[task 2022-01-01T00:27:48.603Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7f4611354000 == 15 [pid = 4116] [id = 93] [url = chrome://browser/content/browser.xhtml]
[task 2022-01-01T00:27:48.604Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7f4612ac2000 == 14 [pid = 4116] [id = 92] [url = about:blank]
[task 2022-01-01T00:27:48.604Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7f46104cfc00 == 13 [pid = 4116] [id = 91] [url = chrome://browser/content/browser.xhtml]
[task 2022-01-01T00:27:48.605Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7f4612abc000 == 12 [pid = 4116] [id = 90] [url = about:blank]
[task 2022-01-01T00:27:48.606Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7f46104c9c00 == 11 [pid = 4116] [id = 89] [url = chrome://browser/content/browser.xhtml]
[task 2022-01-01T00:27:48.606Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7f4611348400 == 10 [pid = 4116] [id = 87] [url = about:mozilla]
[task 2022-01-01T00:27:48.607Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7f4612b2fc00 == 9 [pid = 4116] [id = 85] [url = about:preferences#search]
[task 2022-01-01T00:27:48.607Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7f46108dfc00 == 8 [pid = 4116] [id = 83] [url = chrome://browser/content/browser.xhtml]
[task 2022-01-01T00:27:48.608Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7f46108dd000 == 7 [pid = 4116] [id = 81] [url = about:preferences#search]
[task 2022-01-01T00:27:48.608Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7f46108e6c00 == 6 [pid = 4116] [id = 79] [url = chrome://browser/content/browser.xhtml]
[task 2022-01-01T00:27:48.609Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 44 (7f4611981400) [pid = 4116] [serial = 142] [outer = 0] [url = about:blank]
[task 2022-01-01T00:27:48.610Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 43 (7f46132d6000) [pid = 4116] [serial = 146] [outer = 0] [url = about:blank]
[task 2022-01-01T00:27:48.610Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 42 (7f461134dc00) [pid = 4116] [serial = 170] [outer = 0] [url = about:blank]
[task 2022-01-01T00:27:48.611Z] 00:27:48     INFO - GECKO(4116) | [Child 4254: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7fbcb7146800 == 6 [pid = 4254] [id = 52] [url = about:privatebrowsing]
[task 2022-01-01T00:27:48.611Z] 00:27:48     INFO - GECKO(4116) | [Child 4254: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7fbcb5c27000 == 5 [pid = 4254] [id = 51] [url = about:newtab]
[task 2022-01-01T00:27:48.612Z] 00:27:48     INFO - GECKO(4116) | [Child 4254: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7fbcb5c2b800 == 4 [pid = 4254] [id = 50] [url = about:privatebrowsing]
[task 2022-01-01T00:27:48.612Z] 00:27:48     INFO - GECKO(4116) | [Child 4254: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7fbcb5c20400 == 3 [pid = 4254] [id = 49] [url = about:privatebrowsing]
[task 2022-01-01T00:27:48.613Z] 00:27:48     INFO - GECKO(4116) | [Child 4254: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7fbcb7143c00 == 2 [pid = 4254] [id = 46] [url = about:newtab]
[task 2022-01-01T00:27:48.614Z] 00:27:48     INFO - GECKO(4116) | [Child 4254: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7fbcb7142000 == 1 [pid = 4254] [id = 53] [url = about:newtab]
[task 2022-01-01T00:27:48.614Z] 00:27:48     INFO - GECKO(4116) | [Child 4275: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7fc5d15ecc00 == 2 [pid = 4275] [id = 85] [url = about:blank]
[task 2022-01-01T00:27:48.615Z] 00:27:48     INFO - GECKO(4116) | [Child 4275: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7fc5d15eb400 == 1 [pid = 4275] [id = 84] [url = about:blank]
[task 2022-01-01T00:27:48.615Z] 00:27:48     INFO - GECKO(4116) | [Child 4275: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7fc5d15ef000 == 0 [pid = 4275] [id = 83] [url = about:blank]
[task 2022-01-01T00:27:48.616Z] 00:27:48     INFO - GECKO(4116) | [Child 4275: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 5 (7fc5d29e4040) [pid = 4275] [serial = 213] [outer = 0] [url = about:blank]
[task 2022-01-01T00:27:48.617Z] 00:27:48     INFO - GECKO(4116) | [Child 4275: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 4 (7fc5d29e4740) [pid = 4275] [serial = 211] [outer = 0] [url = about:blank]
[task 2022-01-01T00:27:48.617Z] 00:27:48     INFO - GECKO(4116) | [Child 4275: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 3 (7fc5d29e43c0) [pid = 4275] [serial = 215] [outer = 0] [url = about:blank]
[task 2022-01-01T00:27:48.618Z] 00:27:48     INFO - GECKO(4116) | [Child 4186: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7fd12a2c1c00 == 3 [pid = 4186] [id = 79] [url = about:blank]
[task 2022-01-01T00:27:48.618Z] 00:27:48     INFO - GECKO(4116) | [Child 4186: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7fd12a2c4000 == 2 [pid = 4186] [id = 78] [url = data:text/html,Hello]
[task 2022-01-01T00:27:48.619Z] 00:27:48     INFO - GECKO(4116) | [Child 4186: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7fd12a2c3000 == 1 [pid = 4186] [id = 77] [url = about:blank]
[task 2022-01-01T00:27:48.619Z] 00:27:48     INFO - GECKO(4116) | [Child 4186: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 9 (7fd12a2bac00) [pid = 4186] [serial = 185] [outer = 0] [url = about:blank]
[task 2022-01-01T00:27:48.620Z] 00:27:48     INFO - GECKO(4116) | [Child 4186: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 8 (7fd12a2f1040) [pid = 4186] [serial = 191] [outer = 0] [url = about:blank]
[task 2022-01-01T00:27:48.620Z] 00:27:48     INFO - GECKO(4116) | [Child 4186: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 7 (7fd12a2f1200) [pid = 4186] [serial = 186] [outer = 0] [url = about:blank]
[task 2022-01-01T00:27:48.621Z] 00:27:48     INFO - GECKO(4116) | [Child 4186: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 6 (7fd12a2f1580) [pid = 4186] [serial = 188] [outer = 0] [url = data:text/html,Hello]
[task 2022-01-01T00:27:48.622Z] 00:27:48     INFO - GECKO(4116) | [Child 4759: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 1 (7ff08e9d4c00) [pid = 4759] [serial = 99] [outer = 0] [url = about:blank]
[task 2022-01-01T00:27:48.622Z] 00:27:48     INFO - GECKO(4116) | [Child 4759: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 0 (7ff08e9d7800) [pid = 4759] [serial = 98] [outer = 0] [url = about:blank]
[task 2022-01-01T00:27:48.623Z] 00:27:48     INFO - GECKO(4116) | [Child 4254: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 19 (7fbcb76823c0) [pid = 4254] [serial = 154] [outer = 0] [url = about:newtab]
[task 2022-01-01T00:27:48.623Z] 00:27:48     INFO - GECKO(4116) | [Child 4254: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 18 (7fbcb860b3c0) [pid = 4254] [serial = 142] [outer = 0] [url = about:privatebrowsing]
[task 2022-01-01T00:27:48.624Z] 00:27:48     INFO - GECKO(4116) | [Child 4254: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 17 (7fbcb860b580) [pid = 4254] [serial = 148] [outer = 0] [url = about:newtab]
[task 2022-01-01T00:27:48.625Z] 00:27:48     INFO - GECKO(4116) | [Child 4254: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 16 (7fbcb860be40) [pid = 4254] [serial = 151] [outer = 0] [url = about:privatebrowsing]
[task 2022-01-01T00:27:48.625Z] 00:27:48     INFO - GECKO(4116) | [Child 4254: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 15 (7fbcb860bc80) [pid = 4254] [serial = 145] [outer = 0] [url = about:privatebrowsing]
[task 2022-01-01T00:27:48.626Z] 00:27:48     INFO - GECKO(4116) | [Child 4254: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 14 (7fbcd4b7dac0) [pid = 4254] [serial = 133] [outer = 0] [url = about:newtab]
[task 2022-01-01T00:27:48.626Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 41 (7f46109f8900) [pid = 4116] [serial = 192] [outer = 0] [url = about:blank]
[task 2022-01-01T00:27:48.627Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 40 (7f4617fdac80) [pid = 4116] [serial = 202] [outer = 0] [url = about:blank]
[task 2022-01-01T00:27:48.628Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 39 (7f4610de1580) [pid = 4116] [serial = 194] [outer = 0] [url = about:preferences#search]
[task 2022-01-01T00:27:48.628Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 38 (7f460fc62040) [pid = 4116] [serial = 204] [outer = 0] [url = about:preferences#search]
[task 2022-01-01T00:27:48.629Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 37 (7f4610d3fc80) [pid = 4116] [serial = 200] [outer = 0] [url = chrome://browser/content/browser.xhtml]
[task 2022-01-01T00:27:48.629Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 36 (7f461011e200) [pid = 4116] [serial = 222] [outer = 0] [url = about:blank]
[task 2022-01-01T00:27:48.630Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 35 (7f4610ce4c80) [pid = 4116] [serial = 218] [outer = 0] [url = about:blank]
[task 2022-01-01T00:27:48.630Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 34 (7f46107063c0) [pid = 4116] [serial = 210] [outer = 0] [url = about:mozilla]
[task 2022-01-01T00:27:48.631Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 33 (7f460fc62200) [pid = 4116] [serial = 220] [outer = 0] [url = chrome://browser/content/browser.xhtml]
[task 2022-01-01T00:27:48.632Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 32 (7f4610ce4200) [pid = 4116] [serial = 216] [outer = 0] [url = chrome://browser/content/browser.xhtml]
[task 2022-01-01T00:27:48.632Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 31 (7f46107b1c80) [pid = 4116] [serial = 190] [outer = 0] [url = chrome://browser/content/browser.xhtml]
[task 2022-01-01T00:27:48.633Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 30 (7f4611af3400) [pid = 4116] [serial = 214] [outer = 0] [url = about:blank]
[task 2022-01-01T00:27:48.633Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 29 (7f46104cb400) [pid = 4116] [serial = 212] [outer = 0] [url = about:mozilla]
[task 2022-01-01T00:27:48.634Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 28 (7f46108e1800) [pid = 4116] [serial = 191] [outer = 0] [url = about:blank]
[task 2022-01-01T00:27:48.635Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 27 (7f46104ccc00) [pid = 4116] [serial = 217] [outer = 0] [url = about:blank]
[task 2022-01-01T00:27:48.635Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 26 (7f4612abb400) [pid = 4116] [serial = 219] [outer = 0] [url = about:blank]
[task 2022-01-01T00:27:48.636Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 25 (7f46104d0c00) [pid = 4116] [serial = 221] [outer = 0] [url = about:blank]
[task 2022-01-01T00:27:48.636Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 24 (7f4612abec00) [pid = 4116] [serial = 223] [outer = 0] [url = about:blank]
[task 2022-01-01T00:27:48.637Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 23 (7f46108d8800) [pid = 4116] [serial = 201] [outer = 0] [url = about:blank]
[task 2022-01-01T00:27:48.638Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 22 (7f4612b36c00) [pid = 4116] [serial = 206] [outer = 0] [url = about:preferences#search]
[task 2022-01-01T00:27:48.638Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 21 (7f4612b35800) [pid = 4116] [serial = 196] [outer = 0] [url = about:preferences#search]
[task 2022-01-01T00:27:48.639Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 20 (7f4611c70000) [pid = 4116] [serial = 203] [outer = 0] [url = about:blank]
[task 2022-01-01T00:27:48.639Z] 00:27:48     INFO - GECKO(4116) | [Parent 4116: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 19 (7f4611985800) [pid = 4116] [serial = 193] [outer = 0] [url = about:blank]
[task 2022-01-01T00:27:48.640Z] 00:27:48     INFO - GECKO(4116) | [Child 4254: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 13 (7fbcb5c27400) [pid = 4254] [serial = 149] [outer = 0] [url = about:blank]
[task 2022-01-01T00:27:48.640Z] 00:27:48     INFO - GECKO(4116) | [Child 4254: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 12 (7fbcb5c2c000) [pid = 4254] [serial = 146] [outer = 0] [url = about:blank]
[task 2022-01-01T00:27:48.641Z] 00:27:48     INFO - GECKO(4116) | [Child 4254: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 11 (7fbcb5c2c800) [pid = 4254] [serial = 147] [outer = 0] [url = about:privatebrowsing]
[task 2022-01-01T00:27:48.641Z] 00:27:48     INFO - GECKO(4116) | [Child 4254: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 10 (7fbcb714a000) [pid = 4254] [serial = 153] [outer = 0] [url = about:privatebrowsing]
[task 2022-01-01T00:27:48.642Z] 00:27:48     INFO - GECKO(4116) | [Child 4254: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 9 (7fbcb7144c00) [pid = 4254] [serial = 135] [outer = 0] [url = about:newtab]
[task 2022-01-01T00:27:48.643Z] 00:27:48     INFO - GECKO(4116) | [Child 4254: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 8 (7fbcb7147400) [pid = 4254] [serial = 152] [outer = 0] [url = about:blank]
[task 2022-01-01T00:27:48.643Z] 00:27:48     INFO - GECKO(4116) | [Child 4254: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 7 (7fbcb5c20c00) [pid = 4254] [serial = 143] [outer = 0] [url = about:blank]
[task 2022-01-01T00:27:48.644Z] 00:27:48     INFO - GECKO(4116) | [Child 4254: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 6 (7fbcb7142c00) [pid = 4254] [serial = 155] [outer = 0] [url = about:blank]
[task 2022-01-01T00:27:48.644Z] 00:27:48     INFO - GECKO(4116) | [Child 4254: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 5 (7fbcb5c27c00) [pid = 4254] [serial = 150] [outer = 0] [url = about:newtab]
[task 2022-01-01T00:27:48.645Z] 00:27:48     INFO - GECKO(4116) | [Child 4254: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 4 (7fbcb7148000) [pid = 4254] [serial = 157] [outer = 0] [url = about:blank]
[task 2022-01-01T00:27:48.645Z] 00:27:48     INFO - GECKO(4116) | [Child 4254: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 3 (7fbcb5c1f400) [pid = 4254] [serial = 144] [outer = 0] [url = about:privatebrowsing]
[task 2022-01-01T00:27:48.646Z] 00:27:48     INFO - GECKO(4116) | [Child 4254: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 2 (7fbcb7148400) [pid = 4254] [serial = 158] [outer = 0] [url = about:newtab]
[task 2022-01-01T00:27:48.647Z] 00:27:48     INFO - GECKO(4116) | [Child 4275: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 2 (7fc5d15eb800) [pid = 4275] [serial = 214] [outer = 0] [url = about:blank]
[task 2022-01-01T00:27:48.647Z] 00:27:48     INFO - GECKO(4116) | [Child 4275: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 1 (7fc5d15ef400) [pid = 4275] [serial = 212] [outer = 0] [url = about:blank]
[task 2022-01-01T00:27:48.648Z] 00:27:48     INFO - GECKO(4116) | [Child 4275: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 0 (7fc5d15ed000) [pid = 4275] [serial = 216] [outer = 0] [url = about:blank]
[task 2022-01-01T00:27:48.648Z] 00:27:48     INFO - GECKO(4116) | [Child 4186: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 5 (7fd12a2c4800) [pid = 4186] [serial = 192] [outer = 0] [url = about:blank]
[task 2022-01-01T00:27:48.649Z] 00:27:48     INFO - GECKO(4116) | [Child 4186: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 4 (7fd12a2c4c00) [pid = 4186] [serial = 190] [outer = 0] [url = data:text/html,Hello]
[task 2022-01-01T00:27:48.649Z] 00:27:48     INFO - GECKO(4116) | [Child 4186: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 3 (7fd12a2c3800) [pid = 4186] [serial = 187] [outer = 0] [url = about:blank]
[task 2022-01-01T00:27:48.650Z] 00:27:48     INFO - GECKO(4116) | [Child 4186: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 2 (7fd12a2c4400) [pid = 4186] [serial = 189] [outer = 0] [url = about:blank]
[task 2022-01-01T00:27:50.098Z] 00:27:50     INFO - GECKO(4116) | [Parent 4116: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 18 (7f461071d740) [pid = 4116] [serial = 226] [outer = 0] [url = about:blank]
[task 2022-01-01T00:27:50.099Z] 00:27:50     INFO - GECKO(4116) | [Parent 4116: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 17 (7f4610706040) [pid = 4116] [serial = 224] [outer = 0] [url = chrome://browser/content/browser.xhtml]
[task 2022-01-01T00:27:50.100Z] 00:27:50     INFO - GECKO(4116) | [Parent 4116: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 16 (7f46109683c0) [pid = 4116] [serial = 213] [outer = 0] [url = about:mozilla]
[task 2022-01-01T00:27:50.427Z] 00:27:50     INFO - GECKO(4116) | [Parent 4116: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 15 (7f4611352c00) [pid = 4116] [serial = 225] [outer = 0] [url = about:blank]
[task 2022-01-01T00:27:50.428Z] 00:27:50     INFO - GECKO(4116) | [Parent 4116: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 14 (7f4611c78400) [pid = 4116] [serial = 227] [outer = 0] [url = about:blank]
[task 2022-01-01T00:27:50.430Z] 00:27:50     INFO - GECKO(4116) | [Parent 4116: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 13 (7f4611980c00) [pid = 4116] [serial = 229] [outer = 0] [url = about:blank]
[task 2022-01-01T00:27:50.430Z] 00:27:50     INFO - GECKO(4116) | [Parent 4116: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 12 (7f4611afe000) [pid = 4116] [serial = 215] [outer = 0] [url = about:mozilla]
[task 2022-01-01T00:29:07.839Z] 00:29:07     INFO - TEST-INFO | started process screentopng
[task 2022-01-01T00:29:08.183Z] 00:29:08     INFO - TEST-INFO | screentopng: exit 0
[task 2022-01-01T00:29:08.184Z] 00:29:08     INFO - Buffered messages logged at 00:27:38
[task 2022-01-01T00:29:08.185Z] 00:29:08     INFO - TEST-PASS | browser/components/urlbar/tests/browser/browser_redirect_error.js | There is a new tab. - 
[task 2022-01-01T00:29:08.186Z] 00:29:08     INFO - TEST-PASS | browser/components/urlbar/tests/browser/browser_redirect_error.js | onLocationChange catches only redirected URI. - 
[task 2022-01-01T00:29:08.187Z] 00:29:08     INFO - TEST-PASS | browser/components/urlbar/tests/browser/browser_redirect_error.js | This is a background tab. - 
[task 2022-01-01T00:29:08.188Z] 00:29:08     INFO - Buffered messages logged at 00:27:39
[task 2022-01-01T00:29:08.189Z] 00:29:08     INFO - TEST-PASS | browser/components/urlbar/tests/browser/browser_redirect_error.js | The content area is redirected. aIsSelectedTab:false - 
[task 2022-01-01T00:29:08.197Z] 00:29:08     INFO - TEST-PASS | browser/components/urlbar/tests/browser/browser_redirect_error.js | The URL bar shows the content URI. aIsSelectedTab:false - 
[task 2022-01-01T00:29:08.197Z] 00:29:08     INFO - Console message: [JavaScript Error: "remote browser crashed while on https://www.bank1.com/#BG
[task 2022-01-01T00:29:08.197Z] 00:29:08     INFO - " {file: "chrome://mochikit/content/mochitest-e10s-utils.js" line: 10}]
[task 2022-01-01T00:29:08.197Z] 00:29:08     INFO - e10s_init/<@chrome://mochikit/content/mochitest-e10s-utils.js:10:10
[task 2022-01-01T00:29:08.197Z] 00:29:08     INFO - 
[task 2022-01-01T00:29:08.197Z] 00:29:08     INFO - Buffered messages finished
[task 2022-01-01T00:29:08.197Z] 00:29:08     INFO - TEST-UNEXPECTED-FAIL | browser/components/urlbar/tests/browser/browser_redirect_error.js | Test timed out - 
[task 2022-01-01T00:29:08.197Z] 00:29:08     INFO - GECKO(4116) | [Parent 4116, Main Thread] WARNING: '!inner', file /builds/worker/checkouts/gecko/dom/ipc/jsactor/JSWindowActorProtocol.cpp:184
[task 2022-01-01T00:29:08.197Z] 00:29:08     INFO - GECKO(4116) | [Parent 4116, Main Thread] WARNING: '!inner', file /builds/worker/checkouts/gecko/dom/ipc/jsactor/JSWindowActorProtocol.cpp:184
[task 2022-01-01T00:29:08.197Z] 00:29:08     INFO - GECKO(4116) | MEMORY STAT | vsize 3939MB | residentFast 602MB | heapAllocated 298MB
[task 2022-01-01T00:29:08.198Z] 00:29:08     INFO - TEST-OK | browser/components/urlbar/tests/browser/browser_redirect_error.js | took 90260ms
[task 2022-01-01T00:29:08.198Z] 00:29:08     INFO - GECKO(4116) | [Child 4275: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 7fc5d15eb400 == 1 [pid = 4275] [id = 86]
[task 2022-01-01T00:29:08.198Z] 00:29:08     INFO - GECKO(4116) | [Child 4275: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 1 (7fc5d29e4040) [pid = 4275] [serial = 217] [outer = 0]
[task 2022-01-01T00:29:08.198Z] 00:29:08     INFO - GECKO(4116) | [Child 4275: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 2 (7fc5d15eb800) [pid = 4275] [serial = 218] [outer = 7fc5d29e4040]
[task 2022-01-01T00:29:08.198Z] 00:29:08     INFO - GECKO(4116) | [Parent 4116, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, false) failed with result 0x804B0050 (NS_ERROR_INSUFFICIENT_DOMAIN_LEVELS): file /builds/worker/checkouts/gecko/toolkit/components/antitracking/URLQueryStringStripper.cpp:129
[task 2022-01-01T00:29:08.198Z] 00:29:08     INFO - GECKO(4116) | [Child 4275, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, false) failed with result 0x804B0050 (NS_ERROR_INSUFFICIENT_DOMAIN_LEVELS): file /builds/worker/checkouts/gecko/toolkit/components/antitracking/URLQueryStringStripper.cpp:129
[task 2022-01-01T00:29:08.198Z] 00:29:08     INFO - GECKO(4116) | [Child 4275, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, false) failed with result 0x804B0050 (NS_ERROR_INSUFFICIENT_DOMAIN_LEVELS): file /builds/worker/checkouts/gecko/toolkit/components/antitracking/URLQueryStringStripper.cpp:129
[task 2022-01-01T00:29:08.199Z] 00:29:08     INFO - checking window state
[task 2022-01-01T00:29:08.275Z] 00:29:08     INFO - TEST-START | browser/components/urlbar/tests/browser/browser_remoteness_switch.js
```