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Fix box tree invalidation bug

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layout: Support content: <image> on non-pseudo-elements #56912

Fix box tree invalidation bug
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Community-TC Integration / wpt-firefox-nightly-results succeeded Dec 30, 2025 in 3m 44s

Community-TC (pull_request)

Collect results for all tests affected by a pull request in firefox.

Details

View task in Taskcluster | View logs in Taskcluster | View task group in Taskcluster

Task Status

Started: 2025-12-30T11:29:30.369Z
Resolved: 2025-12-30T11:32:04.074Z
Task Execution Time: 2 minutes, 33 seconds, 705 milliseconds
Task Status: completed
Reason Resolved: completed
RunId: 0

Artifacts

- public/logs/live_backing.log
- public/logs/live.log
- public/results/checkrun.md
- public/results/wpt_report.json.gz
- public/results/wpt_screenshot.txt.gz

WPT Command: python3 ./wpt run --channel=nightly --no-fail-on-unexpected --log-wptreport=../artifacts/wpt_report.json --log-wptscreenshot=../artifacts/wpt_screenshot.txt --affected base_head --log-mach-level=info --log-mach=- -y --no-pause --no-restart-on-unexpected --install-fonts --verify-log-full --no-headless --binary=/home/test/build/firefox/firefox firefox

[taskcluster 2025-12-30 11:29:30.465Z] Task ID: OQI37oZ-RbCNNfOTEqmckw
[taskcluster 2025-12-30 11:29:30.466Z] Worker ID: 8294382257473194417
[taskcluster 2025-12-30 11:29:30.466Z] Worker Group: us-east1-b
[taskcluster 2025-12-30 11:29:30.466Z] Worker Node Type: projects/757942385826/machineTypes/n2-standard-4
[taskcluster 2025-12-30 11:29:30.466Z] Worker Pool: proj-wpt/ci
[taskcluster 2025-12-30 11:29:30.466Z] Worker Version: 46.1.0
[taskcluster 2025-12-30 11:29:30.466Z] Public IP: 104.196.29.67
[taskcluster 2025-12-30 11:29:30.466Z] Hostname: proj-wpt-ci-qymkeh-5rpansgp86zi0la

ac811f28856d - Started downloading
8f84a9f2102e - Started downloading
40516d781e70 - Started downloading
ac811f28856d - Downloaded in 0.036 seconds
44ebbf800033 - Started downloading
44ebbf800033 - Downloaded in 0.048 seconds
8f84a9f2102e - Downloaded in 0.206 seconds
4f4fb700ef54 - Started downloading
4f4fb700ef54 - Downloaded in 0.001 seconds
a8884b21e40e - Started downloading
79c347416ee8 - Started downloading

...(324 lines hidden)...

Failed to read: session.screen0.tab.width
Setting default value
Failed to read: session.screen0.tooltipDelay
Setting default value
Failed to read: session.screen0.allowRemoteActions
Setting default value
Failed to read: session.screen0.clientMenu.usePixmap
Setting default value
Failed to read: session.screen0.tabs.usePixmap
Setting default value
Failed to read: session.screen0.tabs.maxOver
Setting default value
Failed to read: session.screen0.tabs.intitlebar
Setting default value
Failed to read: session.screen0.focusModel
Setting default value
Failed to read: session.screen0.tabFocusModel
Setting default value
Failed to read: session.screen0.focusNewWindows
Setting default value
Failed to read: session.screen0.focusSameHead
Setting default value
Failed to read: session.screen0.rowPlacementDirection
Setting default value
Failed to read: session.screen0.colPlacementDirection
Setting default value
Failed to read: session.screen0.windowPlacement
Setting default value
Failed to read: session.screen0.slit.acceptKdeDockapps
Setting default value
Failed to read: session.screen0.slit.autoHide
Setting default value
Failed to read: session.screen0.slit.maxOver
Setting default value
Failed to read: session.screen0.slit.placement
Setting default value
Failed to read: session.screen0.slit.alpha
Setting default value
Failed to read: session.screen0.slit.onhead
Setting default value
Failed to read: session.screen0.slit.layer
Setting default value
Failed to read: session.screen0.toolbar.autoHide
Setting default value
Failed to read: session.screen0.toolbar.maxOver
Setting default value
Failed to read: session.screen0.toolbar.visible
Setting default value
Failed to read: session.screen0.toolbar.alpha
Setting default value
Failed to read: session.screen0.toolbar.layer
Setting default value
Failed to read: session.screen0.toolbar.onhead
Setting default value
Failed to read: session.screen0.toolbar.placement
Setting default value
Failed to read: session.screen0.toolbar.height
Setting default value
Failed to read: session.screen0.iconbar.mode
Setting default value
Failed to read: session.screen0.iconbar.alignment
Setting default value
Failed to read: session.screen0.iconbar.iconWidth
Setting default value
Failed to read: session.screen0.iconbar.iconTextPadding
Setting default value
Failed to read: session.screen0.iconbar.usePixmap
Setting default value
 0:00.00 INFO Set tests_root to /home/test/web-platform-tests
 0:00.00 INFO Set metadata_root to /home/test/web-platform-tests
 0:00.00 INFO Set manifest_update to True
 0:00.00 INFO Set manifest_download to True
 0:13.11 INFO Identified 4 affected tests
 0:13.11 INFO Using certutil /usr/bin/certutil
 0:13.12 INFO Downloading geckodriver
 0:13.12 INFO Attempting to install webdriver from nightly
 0:13.55 INFO Extracted geckodriver to /home/test/web-platform-tests/_venv3/bin/geckodriver
 0:13.55 INFO Installed b'geckodriver 0.36.0 (d8f2204a567d 2025-12-25 08:29 +0000)'
 0:18.53 INFO Getting profile data from git ref 0d81523fc001f74ee970a750c20d994216f4f161
 0:19.07 INFO Test prefs downloaded to /home/test/web-platform-tests/_venv3/profiles/0d81523fc001f74ee970a750c20d994216f4f161/148.0a1
[1321] Sandbox: CanCreateUserNamespace() clone() failure: EPERM
 0:19.18 mozversion INFO application_buildid: 20251230085604
 0:19.18 mozversion INFO application_changeset: 6baa5c6076794ceb42ba22d141c082eda306bdd6
 0:19.18 mozversion INFO application_display_name: Firefox Nightly
 0:19.18 mozversion INFO application_id: {ec8030f7-c20a-464f-9b0e-13a3a9e97384}
 0:19.18 mozversion INFO application_name: Firefox
 0:19.18 mozversion INFO application_remotingname: firefox-nightly
 0:19.18 mozversion INFO application_repository: https://hg.mozilla.org/mozilla-central
 0:19.18 mozversion INFO application_vendor: Mozilla
 0:19.18 mozversion INFO application_version: 148.0a1
 0:19.18 mozversion INFO platform_buildid: 20251230085604
 0:19.18 mozversion INFO platform_changeset: 6baa5c6076794ceb42ba22d141c082eda306bdd6
 0:19.18 mozversion INFO platform_repository: https://hg.mozilla.org/mozilla-central
 0:19.18 mozversion INFO platform_version: 148.0a1
 0:24.54 INFO Installed font: Ahem.ttf
 0:25.40 wptserve INFO Starting http server on http://127.0.0.1:8001
 0:25.42 wptserve INFO Starting http server on http://127.0.0.1:8002
 0:25.42 wptserve INFO Starting http server on http://127.0.0.1:8000
 0:25.45 wptserve INFO Starting https server on https://127.0.0.1:8444
 0:25.45 wptserve INFO Starting http server on http://127.0.0.1:8003
 0:25.49 wptserve INFO Starting https server on https://127.0.0.1:8445
 0:25.50 wptserve INFO Starting https server on https://127.0.0.1:8443
 0:25.52 wptserve INFO Create socket on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8888))
 0:25.52 wptserve INFO Bind on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8888))
 0:25.52 wptserve INFO Listen on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8888))
 0:25.53 wptserve INFO Create socket on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8889))
 0:25.53 wptserve INFO Bind on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8889))
 0:25.53 wptserve INFO Listen on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8889))
 0:25.53 wptserve INFO Starting https server on https://127.0.0.1:8446
 0:25.54 wptserve INFO Starting http2 server on https://127.0.0.1:9000
 0:25.64 wptserve INFO Starting WebTransport over HTTP/3 server on 127.0.0.1:11000
 0:25.95 SUITE_START: web-platform-test - running 4 tests
 0:42.38 INFO Using 1 child processes
 0:42.40 INFO Setting up ssl
 0:42.42 certutil Full command: /usr/bin/certutil -N -d /tmp/tmp8fpb0vih.mozrunner -f /tmp/tmp8fpb0vih.mozrunner/.crtdbpw
certutil b''
 0:42.44 certutil b''
 0:42.44 certutil b'\nCertificate Nickname                                         Trust Attributes\n                                                             SSL,S/MIME,JAR/XPI\n\nweb-platform-tests                                           CT,, \n'
 0:42.45 INFO Application command: /home/test/build/firefox/firefox --marionette --remote-allow-system-access about:blank -profile /tmp/tmp4fceqvym
 0:42.45 INFO Starting runner
 0:42.46 pid:1429 Full command: /home/test/build/firefox/firefox --marionette --remote-allow-system-access about:blank
pid:1429 [1429] Sandbox: CanCreateUserNamespace() clone() failure: EPERM
 0:42.97 pid:1429 1767094315322	Marionette	INFO	Marionette enabled
 0:43.07 pid:1429 1767094315417	Marionette	INFO	Listening on port 46947
Failed to read: session.screen0.titlebar.left
Setting default value
Failed to read: session.screen0.titlebar.right
Setting default value
mem avail: 14085 of 15806 MiB (89.11%), swap free:    0 of    0 MiB ( 0.00%)
 0:45.70 pid:1429 console.error: services.settings:
 0:45.71 pid:1429   Message: EmptyDatabaseError: "main/nimbus-desktop-experiments" has not been synced yet
 0:45.71 pid:1429   Stack:
 0:45.71 pid:1429     EmptyDatabaseError@resource://services-settings/Database.sys.mjs:19:5
 0:45.71 pid:1429 list@resource://services-settings/Database.sys.mjs:96:13
 0:45.86 pid:1429 console.warn: BackupService: "There was an error while trying to get the Document's directory" [Exception... "Component returned failure code: 0x80004005 (NS_ERROR_FAILURE) [nsIProperties.get]"  nsresult: "0x80004005 (NS_ERROR_FAILURE)"  location: "JS frame :: resource:///modules/backup/BackupService.sys.mjs :: get docsDirFolderPath :: line 1245"  data: no]
 0:45.98 TEST_START: /css/css-content/element-replacement-dynamic.html
 0:46.14 pid:1429 1767094318488	Marionette	INFO	Testing http://web-platform.test:8000/css/css-content/element-replacement-dynamic.html == http://web-platform.test:8000/css/css-content/element-replacement-ref.html
 0:46.39 pid:1429 1767094318738	Marionette	INFO	Emitted TestRendered event
 0:46.44 pid:1429 1767094318784	Marionette	INFO	No differences allowed
 0:46.44 TEST_END: PASS
 0:46.44 TEST_START: /css/css-content/element-replacement-root-canvas-bg-from-body.html
 0:46.44 pid:1429 1767094318787	Marionette	INFO	Testing http://web-platform.test:8000/css/css-content/element-replacement-root-canvas-bg-from-body.html == http://web-platform.test:8000/css/css-content/element-replacement-root-ref.html
 0:46.62 pid:1429 1767094318971	Marionette	INFO	No differences allowed
 0:46.64 TEST_END: FAIL, expected PASS - Testing http://web-platform.test:8000/css/css-content/element-replacement-root-canvas-bg-from-body.html == http://web-platform.test:8000/css/css-content/element-replacement-root-ref.html
Found 480000 pixels different, maximum difference per channel 255

 0:46.64 TEST_START: /css/css-content/element-replacement-root-canvas-bg.html
 0:46.64 pid:1429 1767094318991	Marionette	INFO	Testing http://web-platform.test:8000/css/css-content/element-replacement-root-canvas-bg.html == http://web-platform.test:8000/css/css-content/element-replacement-root-canvas-bg-ref.html
 0:46.77 pid:1429 1767094319123	Marionette	INFO	No differences allowed
 0:46.79 TEST_END: FAIL, expected PASS - Testing http://web-platform.test:8000/css/css-content/element-replacement-root-canvas-bg.html == http://web-platform.test:8000/css/css-content/element-replacement-root-canvas-bg-ref.html
Found 10809 pixels different, maximum difference per channel 255

 0:46.79 TEST_START: /css/css-content/element-replacement-root.html
 0:46.80 pid:1429 1767094319144	Marionette	INFO	Testing http://web-platform.test:8000/css/css-content/element-replacement-root.html == http://web-platform.test:8000/css/css-content/element-replacement-root-ref.html
 0:46.86 pid:1429 1767094319206	Marionette	INFO	No differences allowed
 0:46.88 TEST_END: FAIL, expected PASS - Testing http://web-platform.test:8000/css/css-content/element-replacement-root.html == http://web-platform.test:8000/css/css-content/element-replacement-root-ref.html
Found 10809 pixels different, maximum difference per channel 255

 0:46.88 INFO No more tests
 0:46.90 pid:1429 1767094319245	Marionette	INFO	Stopped listening on port 46947
 0:47.48 INFO Browser exited with return code -15
 0:47.37 INFO Closing logging queue
 0:47.37 INFO queue closed
 0:47.49 SUITE_END

web-platform-test
~~~~~~~~~~~~~~~~~
Ran 4 checks (4 tests)
Expected results: 1
Unexpected results: 3
  test: 3 (3 fail)

Unexpected Results
------------------
FAIL /css/css-content/element-replacement-root-canvas-bg-from-body.html - Testing http://web-platform.test:8000/css/css-content/element-replacement-root-canvas-bg-from-body.html == http://web-platform.test:8000/css/css-content/element-replacement-root-ref.html
Found 480000 pixels different, maximum difference per channel 255
FAIL /css/css-content/element-replacement-root-canvas-bg.html - Testing http://web-platform.test:8000/css/css-content/element-replacement-root-canvas-bg.html == http://web-platform.test:8000/css/css-content/element-replacement-root-canvas-bg-ref.html
Found 10809 pixels different, maximum difference per channel 255
FAIL /css/css-content/element-replacement-root.html - Testing http://web-platform.test:8000/css/css-content/element-replacement-root.html == http://web-platform.test:8000/css/css-content/element-replacement-root-ref.html
Found 10809 pixels different, maximum difference per channel 255
 0:47.49 INFO Got 3 unexpected results, with 0 unexpected passes
 0:47.49 wptserve INFO Stopped http server on 127.0.0.1:8001
 0:47.49 wptserve INFO Stopped http server on 127.0.0.1:8003
 0:47.49 wptserve INFO Stopped http server on 127.0.0.1:8000
 0:47.50 wptserve INFO Stopped http server on 127.0.0.1:8444
 0:47.50 wptserve INFO Stopped http server on 127.0.0.1:8443
 0:47.50 wptserve INFO Stopped http server on 127.0.0.1:8002
 0:47.51 wptserve INFO Stopped http server on 127.0.0.1:8445
 0:47.51 wptserve INFO Stopped http server on 127.0.0.1:8446
 0:47.51 wptserve INFO Stopped http server on 127.0.0.1:9000
 0:47.52 wptserve INFO Stopped WebTransport over HTTP/3 server on 127.0.0.1:11000
 0:47.98 wptserve INFO Close on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8888))
 0:47.98 wptserve INFO Close on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8889))
 0:48.02 INFO Removed font: Ahem.ttf
 0:48.04 INFO Closing logging queue
 0:48.04 INFO queue closed
 0:48.04 INFO Tolerating 3 unexpected results
[taskcluster 2025-12-30 11:32:02.326Z] === Task Finished ===
[taskcluster 2025-12-30 11:32:03.321Z] Successful task run with exit code: 0 completed in 152.858 seconds
View more details on Community-TC Integration