Bug: Intermittent browser/base/content/test/siteIdentity/browser_mcb_redirect.js | leaked 2 window(s) until shutdown [url = https://example.com/browser/browser/base/content/test/siteIdentity/test_mcb_double_redirect_image.html]
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2020-05-20 14:23:52+00:00
Resolved: 2020-11-03 17:01:53+00:00

**Filed by:** malexandru [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer.html#?job_id=303096238&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/CCiaWQClStWL250yIwv54Q/runs/0/artifacts/public/logs/live_backing.log

---

```
[task 2020-05-20T13:38:22.107Z] 13:38:22     INFO - GECKO(2268) | [Child 2269: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 0 (0x1298d5c00) [pid = 2269] [serial = 14] [outer = 0x0] [url = moz-extension://bff5e6d6-318e-134d-851b-0a97422bb0ee/_generated_background_page.html]
[task 2020-05-20T13:38:22.107Z] 13:38:22     INFO - GECKO(2268) | [Child 2269, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, rv) failed with result 0x80004005 (NS_ERROR_FAILURE): file /builds/worker/checkouts/gecko/netwerk/base/nsNetUtil.cpp, line 2295
[task 2020-05-20T13:38:22.107Z] 13:38:22     INFO - GECKO(2268) | [Child 2269, Main Thread] WARNING: 'NS_FAILED(rv)', file /builds/worker/checkouts/gecko/caps/ContentPrincipal.cpp, line 398
[task 2020-05-20T13:38:22.107Z] 13:38:22     INFO - GECKO(2268) | [Child 2269, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, rv) failed with result 0x80004005 (NS_ERROR_FAILURE): file /builds/worker/checkouts/gecko/caps/ContentPrincipal.cpp, line 423
[task 2020-05-20T13:38:22.107Z] 13:38:22     INFO - GECKO(2268) | [Child 2269, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, rv) failed with result 0x80004005 (NS_ERROR_FAILURE): file /builds/worker/checkouts/gecko/netwerk/base/nsNetUtil.cpp, line 2295
[task 2020-05-20T13:38:22.107Z] 13:38:22     INFO - GECKO(2268) | [Child 2269, Main Thread] WARNING: 'NS_FAILED(rv)', file /builds/worker/checkouts/gecko/caps/ContentPrincipal.cpp, line 398
[task 2020-05-20T13:38:22.107Z] 13:38:22     INFO - GECKO(2268) | [Child 2269, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, rv) failed with result 0x80004005 (NS_ERROR_FAILURE): file /builds/worker/checkouts/gecko/caps/ContentPrincipal.cpp, line 423
[task 2020-05-20T13:38:22.107Z] 13:38:22     INFO - GECKO(2268) | [Child 2269, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, rv) failed with result 0x80004005 (NS_ERROR_FAILURE): file /builds/worker/checkouts/gecko/netwerk/base/nsNetUtil.cpp, line 2295
[task 2020-05-20T13:38:22.108Z] 13:38:22     INFO - GECKO(2268) | [Child 2269, Main Thread] WARNING: 'NS_FAILED(rv)', file /builds/worker/checkouts/gecko/caps/ContentPrincipal.cpp, line 398
[task 2020-05-20T13:38:22.108Z] 13:38:22     INFO - GECKO(2268) | [Child 2269, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, rv) failed with result 0x80004005 (NS_ERROR_FAILURE): file /builds/worker/checkouts/gecko/caps/ContentPrincipal.cpp, line 423
[task 2020-05-20T13:38:22.108Z] 13:38:22     INFO - GECKO(2268) | [Child 2269, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, rv) failed with result 0x80004005 (NS_ERROR_FAILURE): file /builds/worker/checkouts/gecko/netwerk/base/nsNetUtil.cpp, line 2295
[task 2020-05-20T13:38:22.108Z] 13:38:22     INFO - GECKO(2268) | [Child 2269, Main Thread] WARNING: 'NS_FAILED(rv)', file /builds/worker/checkouts/gecko/caps/ContentPrincipal.cpp, line 398
[task 2020-05-20T13:38:22.108Z] 13:38:22     INFO - GECKO(2268) | [Child 2269, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, rv) failed with result 0x80004005 (NS_ERROR_FAILURE): file /builds/worker/checkouts/gecko/caps/ContentPrincipal.cpp, line 423
[task 2020-05-20T13:38:22.108Z] 13:38:22     INFO - GECKO(2268) | [Child 2269, Main Thread] WARNING: Extra shutdown CC: 'i < NORMAL_SHUTDOWN_COLLECTIONS', file /builds/worker/checkouts/gecko/xpcom/base/nsCycleCollector.cpp, line 3359
[task 2020-05-20T13:38:22.161Z] 13:38:22     INFO - GECKO(2268) | [2020-05-20T13:38:22Z WARN  xulstore::persist] tried to remove key that isn't in the store
[task 2020-05-20T13:38:22.161Z] 13:38:22     INFO - GECKO(2268) | [2020-05-20T13:38:22Z WARN  xulstore::persist] tried to remove key that isn't in the store
[task 2020-05-20T13:38:22.431Z] 13:38:22     INFO - GECKO(2268) | [Parent 2268: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 0x123bef000 == 3 [pid = 2268] [id = {7dc35447-7c93-1b42-83bb-3ff851540096}] [url = chrome://mochikit/content/browser-harness.xhtml]
[task 2020-05-20T13:38:22.432Z] 13:38:22     INFO - GECKO(2268) | [Parent 2268: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 0x12576dc00 == 2 [pid = 2268] [id = {515cbccc-5186-0c4f-8894-009bbb2e5cd1}] [url = about:blank]
[task 2020-05-20T13:38:22.433Z] 13:38:22     INFO - GECKO(2268) | [Child 2302, Main Thread] WARNING: nsAppShell::Exit() called redundantly: file /builds/worker/checkouts/gecko/widget/cocoa/nsAppShell.mm, line 714
[task 2020-05-20T13:38:22.439Z] 13:38:22     INFO - GECKO(2268) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2020-05-20T13:38:22.442Z] 13:38:22     INFO - GECKO(2268) | [Child 2299, Main Thread] WARNING: nsAppShell::Exit() called redundantly: file /builds/worker/checkouts/gecko/widget/cocoa/nsAppShell.mm, line 714
[task 2020-05-20T13:38:22.457Z] 13:38:22     INFO - GECKO(2268) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2020-05-20T13:38:22.476Z] 13:38:22     INFO - GECKO(2268) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2020-05-20T13:38:22.494Z] 13:38:22     INFO - GECKO(2268) | [Child 2302, Main Thread] WARNING: Extra shutdown CC: 'i < NORMAL_SHUTDOWN_COLLECTIONS', file /builds/worker/checkouts/gecko/xpcom/base/nsCycleCollector.cpp, line 3359
[task 2020-05-20T13:38:22.494Z] 13:38:22     INFO - GECKO(2268) | [Child 2299, Main Thread] WARNING: Extra shutdown CC: 'i < NORMAL_SHUTDOWN_COLLECTIONS', file /builds/worker/checkouts/gecko/xpcom/base/nsCycleCollector.cpp, line 3359
[task 2020-05-20T13:38:22.536Z] 13:38:22     INFO - GECKO(2268) | [Child 2298, Main Thread] WARNING: nsAppShell::Exit() called redundantly: file /builds/worker/checkouts/gecko/widget/cocoa/nsAppShell.mm, line 714
[task 2020-05-20T13:38:22.544Z] 13:38:22     INFO - GECKO(2268) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2020-05-20T13:38:22.544Z] 13:38:22     INFO - GECKO(2268) | [Child 2297, Main Thread] WARNING: nsAppShell::Exit() called redundantly: file /builds/worker/checkouts/gecko/widget/cocoa/nsAppShell.mm, line 714
[task 2020-05-20T13:38:22.544Z] 13:38:22     INFO - GECKO(2268) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2020-05-20T13:38:22.544Z] 13:38:22     INFO - GECKO(2268) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2020-05-20T13:38:22.557Z] 13:38:22     INFO - GECKO(2268) | [Child 2298, Main Thread] WARNING: Extra shutdown CC: 'i < NORMAL_SHUTDOWN_COLLECTIONS', file /builds/worker/checkouts/gecko/xpcom/base/nsCycleCollector.cpp, line 3359
[task 2020-05-20T13:38:22.559Z] 13:38:22     INFO - GECKO(2268) | [Child 2297, Main Thread] WARNING: Extra shutdown CC: 'i < NORMAL_SHUTDOWN_COLLECTIONS', file /builds/worker/checkouts/gecko/xpcom/base/nsCycleCollector.cpp, line 3359
[task 2020-05-20T13:38:22.580Z] 13:38:22     INFO - GECKO(2268) | [Child 2296, Main Thread] WARNING: nsAppShell::Exit() called redundantly: file /builds/worker/checkouts/gecko/widget/cocoa/nsAppShell.mm, line 714
[task 2020-05-20T13:38:22.580Z] 13:38:22     INFO - GECKO(2268) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2020-05-20T13:38:22.580Z] 13:38:22     INFO - GECKO(2268) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2020-05-20T13:38:22.580Z] 13:38:22     INFO - GECKO(2268) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2020-05-20T13:38:22.580Z] 13:38:22     INFO - GECKO(2268) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2020-05-20T13:38:22.580Z] 13:38:22     INFO - GECKO(2268) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2020-05-20T13:38:22.603Z] 13:38:22     INFO - GECKO(2268) | [Child 2295, Main Thread] WARNING: nsAppShell::Exit() called redundantly: file /builds/worker/checkouts/gecko/widget/cocoa/nsAppShell.mm, line 714
[task 2020-05-20T13:38:22.604Z] 13:38:22     INFO - GECKO(2268) | [Child 2272, Main Thread] WARNING: nsAppShell::Exit() called redundantly: file /builds/worker/checkouts/gecko/widget/cocoa/nsAppShell.mm, line 714
[task 2020-05-20T13:38:22.643Z] 13:38:22     INFO - GECKO(2268) | [Child 2295: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 0x119827400 == 0 [pid = 2295] [id = {11d3e01f-cfd4-1844-bbdb-cdd85fe3c853}] [url = https://example.com/browser/browser/base/content/test/siteIdentity/test_mcb_double_redirect_image.html]
[task 2020-05-20T13:38:22.643Z] 13:38:22     INFO - GECKO(2268) | [Child 2296, Main Thread] WARNING: Extra shutdown CC: 'i < NORMAL_SHUTDOWN_COLLECTIONS', file /builds/worker/checkouts/gecko/xpcom/base/nsCycleCollector.cpp, line 3359
[task 2020-05-20T13:38:22.660Z] 13:38:22     INFO - GECKO(2268) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2020-05-20T13:38:22.661Z] 13:38:22     INFO - GECKO(2268) | [Child 2271, Main Thread] WARNING: nsAppShell::Exit() called redundantly: file /builds/worker/checkouts/gecko/widget/cocoa/nsAppShell.mm, line 714
[task 2020-05-20T13:38:22.663Z] 13:38:22     INFO - GECKO(2268) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
task 2020-05-20T13:38:22.663Z] 13:38:22     INFO - GECKO(2268) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2020-05-20T13:38:22.663Z] 13:38:22     INFO - GECKO(2268) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2020-05-20T13:38:22.664Z] 13:38:22     INFO - GECKO(2268) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2020-05-20T13:38:22.664Z] 13:38:22     INFO - GECKO(2268) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2020-05-20T13:38:22.700Z] 13:38:22     INFO - GECKO(2268) | [Child 2295: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 2 (0x11170b6f0) [pid = 2295] [serial = 126] [outer = 0x0] [url = https://example.com/browser/browser/base/content/test/siteIdentity/test_mcb_double_redirect_image.html]
[task 2020-05-20T13:38:22.701Z] 13:38:22     INFO - GECKO(2268) | [Child 2295: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 1 (0x1443b3800) [pid = 2295] [serial = 129] [outer = 0x0] [url = https://example.com/browser/browser/base/content/test/siteIdentity/test_mcb_redirect.html]
[task 2020-05-20T13:38:22.701Z] 13:38:22     INFO - GECKO(2268) | [Child 2295: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 0 (0x1210cfc00) [pid = 2295] [serial = 137] [outer = 0x0] [url = https://example.com/browser/browser/base/content/test/siteIdentity/test_mcb_double_redirect_image.html]
[task 2020-05-20T13:38:22.701Z] 13:38:22     INFO - GECKO(2268) | [Child 2295, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, rv) failed with result 0x80004005 (NS_ERROR_FAILURE): file /builds/worker/checkouts/gecko/netwerk/base/nsNetUtil.cpp, line 2295
[task 2020-05-20T13:38:22.701Z] 13:38:22     INFO - GECKO(2268) | [Child 2295, Main Thread] WARNING: 'NS_FAILED(rv)', file /builds/worker/checkouts/gecko/caps/ContentPrincipal.cpp, line 398
[task 2020-05-20T13:38:22.706Z] 13:38:22     INFO - GECKO(2268) | [Child 2295, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, rv) failed with result 0x80004005 (NS_ERROR_FAILURE): file /builds/worker/checkouts/gecko/caps/ContentPrincipal.cpp, line 423
[task 2020-05-20T13:38:22.706Z] 13:38:22     INFO - GECKO(2268) | [Child 2295, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, rv) failed with result 0x80004005 (NS_ERROR_FAILURE): file /builds/worker/checkouts/gecko/netwerk/base/nsNetUtil.cpp, line 2295
[task 2020-05-20T13:38:22.706Z] 13:38:22     INFO - GECKO(2268) | [Child 2295, Main Thread] WARNING: 'NS_FAILED(rv)', file /builds/worker/checkouts/gecko/caps/ContentPrincipal.cpp, line 398
[task 2020-05-20T13:38:22.706Z] 13:38:22     INFO - GECKO(2268) | [Child 2295, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, rv) failed with result 0x80004005 (NS_ERROR_FAILURE): file /builds/worker/checkouts/gecko/caps/ContentPrincipal.cpp, line 423
[task 2020-05-20T13:38:22.706Z] 13:38:22     INFO - GECKO(2268) | [Child 2272, Main Thread] WARNING: Extra shutdown CC: 'i < NORMAL_SHUTDOWN_COLLECTIONS', file /builds/worker/checkouts/gecko/xpcom/base/nsCycleCollector.cpp, line 3359
[task 2020-05-20T13:38:22.708Z] 13:38:22     INFO - GECKO(2268) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2020-05-20T13:38:22.773Z] 13:38:22     INFO - GECKO(2268) | [Child 2270, Main Thread] WARNING: nsAppShell::Exit() called redundantly: file /builds/worker/checkouts/gecko/widget/cocoa/nsAppShell.mm, line 714
[task 2020-05-20T13:38:22.774Z] 13:38:22     INFO - GECKO(2268) | [Child 2295, Main Thread] WARNING: Extra shutdown CC: 'i < NORMAL_SHUTDOWN_COLLECTIONS', file /builds/worker/checkouts/gecko/xpcom/base/nsCycleCollector.cpp, line 3359
[task 2020-05-20T13:38:22.775Z] 13:38:22     INFO - GECKO(2268) | [Child 2271: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 0x1496a8c00 == 0 [pid = 2271] [id = {5e75e64c-9b13-de4d-bbd0-5610d0089a0e}] [url = about:blank]
[task 2020-05-20T13:38:22.823Z] 13:38:22     INFO - GECKO(2268) | [Child 2271: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 1 (0x1499ca400) [pid = 2271] [serial = 193] [outer = 0x0] [url = about:blank]
[task 2020-05-20T13:38:22.823Z] 13:38:22     INFO - GECKO(2268) | [Child 2271: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 0 (0x1403e4f60) [pid = 2271] [serial = 190] [outer = 0x0] [url = about:blank]
[task 2020-05-20T13:38:22.869Z] 13:38:22     INFO - GECKO(2268) | [Child 2271, Main Thread] WARNING: Extra shutdown CC: 'i < NORMAL_SHUTDOWN_COLLECTIONS', file /builds/worker/checkouts/gecko/xpcom/base/nsCycleCollector.cpp, line 3359
[task 2020-05-20T13:38:22.878Z] 13:38:22     INFO - GECKO(2268) | [Child 2270, Main Thread] WARNING: Extra shutdown CC: 'i < NORMAL_SHUTDOWN_COLLECTIONS', file /builds/worker/checkouts/gecko/xpcom/base/nsCycleCollector.cpp, line 3359
[task 2020-05-20T13:38:22.879Z] 13:38:22     INFO - GECKO(2268) | [Parent 2268: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 0x11ae7d800 == 1 [pid = 2268] [id = {35702229-d6cc-e443-ad19-f1836f0595c0}] [url = chrome://browser/content/browser.xhtml]
[task 2020-05-20T13:38:23.216Z] 13:38:23     INFO - GECKO(2268) | 1589981903191	Marionette	TRACE	Received observer notification xpcom-will-shutdown
[task 2020-05-20T13:38:23.217Z] 13:38:23     INFO - GECKO(2268) | 1589981903192	Marionette	INFO	Stopped listening on port 2828
[task 2020-05-20T13:38:23.217Z] 13:38:23     INFO - GECKO(2268) | 1589981903192	Marionette	DEBUG	Marionette stopped listening
[task 2020-05-20T13:38:23.217Z] 13:38:23     INFO - GECKO(2268) | *** WIFI GEO: shutdown called
[task 2020-05-20T13:38:23.231Z] 13:38:23     INFO - GECKO(2268) | [Parent 2268, Main Thread] WARNING: nsAppShell::Exit() called redundantly: file /builds/worker/checkouts/gecko/widget/cocoa/nsAppShell.mm, line 714
[task 2020-05-20T13:38:23.274Z] 13:38:23     INFO - GECKO(2268) | [Parent 2268, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, rv) failed with result 0x80004005 (NS_ERROR_FAILURE): file /builds/worker/checkouts/gecko/js/xpconnect/loader/mozJSComponentLoader.cpp, line 228
[task 2020-05-20T13:38:23.274Z] 13:38:23     INFO - GECKO(2268) | [Parent 2268, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, rv) failed with result 0x80004005 (NS_ERROR_FAILURE): file /builds/worker/checkouts/gecko/js/xpconnect/loader/mozJSComponentLoader.cpp, line 255
[task 2020-05-20T13:38:23.274Z] 13:38:23     INFO - GECKO(2268) | [Parent 2268: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 0x11a802800 == 0 [pid = 2268] [id = {d3d30cc0-5c8d-0943-929a-ddab3371665d}] [url = chrome://browser/content/hiddenWindowMac.xhtml]
[task 2020-05-20T13:38:24.203Z] 13:38:24     INFO - GECKO(2268) | [Parent 2268: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 9 (0x123098000) [pid = 2268] [serial = 4] [outer = 0x0] [url = about:blank]
[task 2020-05-20T13:38:24.203Z] 13:38:24     INFO - GECKO(2268) | [Parent 2268: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 8 (0x11bae4a40) [pid = 2268] [serial = 3] [outer = 0x0] [url = chrome://browser/content/browser.xhtml]
[task 2020-05-20T13:38:24.203Z] 13:38:24     INFO - GECKO(2268) | [Parent 2268: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 7 (0x126c506f0) [pid = 2268] [serial = 9] [outer = 0x0] [url = chrome://mochikit/content/browser-harness.xhtml]
[task 2020-05-20T13:38:24.203Z] 13:38:24     INFO - GECKO(2268) | [Parent 2268: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 6 (0x123bf1800) [pid = 2268] [serial = 10] [outer = 0x0] [url = about:blank]
[task 2020-05-20T13:38:24.203Z] 13:38:24     INFO - GECKO(2268) | [Parent 2268: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 5 (0x11bae2b70) [pid = 2268] [serial = 5] [outer = 0x0] [url = chrome://extensions/content/dummy.xhtml]
[task 2020-05-20T13:38:24.203Z] 13:38:24     INFO - GECKO(2268) | [Parent 2268: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 4 (0x119b1f800) [pid = 2268] [serial = 6] [outer = 0x0] [url = chrome://extensions/content/dummy.xhtml]
[task 2020-05-20T13:38:24.203Z] 13:38:24     INFO - GECKO(2268) | [Parent 2268: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 3 (0x11bae4de0) [pid = 2268] [serial = 1] [outer = 0x0] [url = chrome://browser/content/hiddenWindowMac.xhtml]
[task 2020-05-20T13:38:24.203Z] 13:38:24     INFO - GECKO(2268) | [Parent 2268: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 2 (0x11a8d4400) [pid = 2268] [serial = 2] [outer = 0x0] [url = about:blank]
[task 2020-05-20T13:38:24.203Z] 13:38:24     INFO - GECKO(2268) | [Parent 2268: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 1 (0x1256e60e0) [pid = 2268] [serial = 7] [outer = 0x0] [url = about:blank]
[task 2020-05-20T13:38:24.204Z] 13:38:24     INFO - GECKO(2268) | [Parent 2268: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 0 (0x123ccd800) [pid = 2268] [serial = 152] [outer = 0x0] [url = about:blank]
[task 2020-05-20T13:38:24.236Z] 13:38:24     INFO - GECKO(2268) | [Parent 2268, Main Thread] WARNING: Extra shutdown CC: 'i < NORMAL_SHUTDOWN_COLLECTIONS', file /builds/worker/checkouts/gecko/xpcom/base/nsCycleCollector.cpp, line 3359
[task 2020-05-20T13:38:24.322Z] 13:38:24     INFO - TEST-INFO | Main app process: exit 0
[task 2020-05-20T13:38:24.322Z] 13:38:24     INFO - TEST-INFO | Confirming we saw 246 DOCSHELL created and 246 destroyed log strings.
[task 2020-05-20T13:38:24.322Z] 13:38:24     INFO - TEST-INFO | Confirming we saw 813 DOMWINDOW created and 813 destroyed log strings.
[task 2020-05-20T13:38:24.322Z] 13:38:24    ERROR - TEST-UNEXPECTED-FAIL | browser/base/content/test/siteIdentity/browser_mcb_redirect.js | leaked 2 window(s) until shutdown [url = https://example.com/browser/browser/base/content/test/siteIdentity/test_mcb_double_redirect_image.html]
[task 2020-05-20T13:38:24.323Z] 13:38:24    ERROR - TEST-UNEXPECTED-FAIL | browser/base/content/test/siteIdentity/browser_mcb_redirect.js | leaked 1 window(s) until shutdown [url = https://example.com/browser/browser/base/content/test/siteIdentity/test_mcb_redirect.html]
[task 2020-05-20T13:38:24.323Z] 13:38:24     INFO - TEST-INFO | browser/base/content/test/siteIdentity/browser_mcb_redirect.js | windows(s) leaked: [pid = 2295] [serial = 129], [pid = 2295] [serial = 137], [pid = 2295] [serial = 126]
[task 2020-05-20T13:38:24.323Z] 13:38:24    ERROR - TEST-UNEXPECTED-FAIL | browser/base/content/test/siteIdentity/browser_mcb_redirect.js | leaked 1 docShell(s) until shutdown
[task 2020-05-20T13:38:24.323Z] 13:38:24     INFO - TEST-INFO | browser
```