WebKit export of https://bugs.webkit.org/show_bug.cgi?id=321104 - #62142

[taskcluster 2026-08-22 04:21:06.393Z] Task ID: crVuGRBFRp2YcSUfilgRZQ
[taskcluster 2026-08-22 04:21:06.393Z] Worker ID: 9141565690416025037
[taskcluster 2026-08-22 04:21:06.393Z] Worker Group: us-east4-c
[taskcluster 2026-08-22 04:21:06.393Z] Worker Node Type: projects/757942385826/machineTypes/n2-standard-4
[taskcluster 2026-08-22 04:21:06.393Z] Worker Pool: proj-wpt/ci
[taskcluster 2026-08-22 04:21:06.393Z] Worker Version: 46.1.0
[taskcluster 2026-08-22 04:21:06.393Z] Public IP: 34.182.190.193
[taskcluster 2026-08-22 04:21:06.393Z] Hostname: proj-wpt-ci-ed83mqjjqawmzrasxtii3w

[taskcluster 2026-08-22 04:21:07.428Z] === Task Starting ===
+ '[' '' ']'
+ '[' -d /etc/profile.d ']'
+ for i in /etc/profile.d/*.sh
+ '[' -r /etc/profile.d/01-locale-fix.sh ']'
+ . /etc/profile.d/01-locale-fix.sh
+++ /usr/bin/locale-check C.UTF-8
++ eval
+ for i in /etc/profile.d/*.sh
+ '[' -r /etc/profile.d/apps-bin-path.sh ']'
+ . /etc/profile.d/apps-bin-path.sh

...(393 lines hidden)...

Setting default value
Failed to read: session.screen0.clickRaises
Setting default value
Failed to read: session.screen0.defaultDeco
Setting default value
Failed to read: session.screen0.tab.placement
Setting default value
Failed to read: session.screen0.windowMenu
Setting default value
Failed to read: session.screen0.noFocusWhileTypingDelay
Setting default value
Failed to read: session.screen0.workspaces
Setting default value
Failed to read: session.screen0.edgeSnapThreshold
Setting default value
Failed to read: session.screen0.window.focus.alpha
Setting default value
Failed to read: session.screen0.window.unfocus.alpha
Setting default value
Failed to read: session.screen0.menu.alpha
Setting default value
Failed to read: session.screen0.menuDelay
Setting default value
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
Warning: could not load product 'firefox' for argument registration: No module named 'mozleak'
Warning: could not load product 'firefox_android' for argument registration: No module named 'mozrunner'
 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
mem avail: 14511 of 15806 MiB (91.81%), swap free:    0 of    0 MiB ( 0.00%)
mem avail: 14530 of 15806 MiB (91.93%), swap free:    0 of    0 MiB ( 0.00%)
 1:47.07 INFO Identified 1 affected tests
 1:47.07 INFO Installing browser
 1:47.09 INFO Downloading Chrome for Testing from https://storage.googleapis.com/chrome-for-testing-public/154.0.8013.2/linux64/chrome-linux64.zip
 1:50.46 INFO Downloading Mojo bindings from https://storage.googleapis.com/chrome-for-testing-public/154.0.8013.2/mojojs.zip
 1:50.52 INFO MojoJS enabled automatically (mojojs_path: /home/test/web-platform-tests/_venv3/mojojs/gen)
 1:50.54 INFO Download info for matching ChromeDriver version found.
 1:50.54 INFO Downloading ChromeDriver from https://storage.googleapis.com/chrome-for-testing-public/154.0.8013.2/linux64/chromedriver-linux64.zip
 1:50.82 INFO Automatically turning on experimental features
 2:01.20 INFO Installed font: Ahem.ttf
 2:02.29 wptserve INFO Starting http server on http://127.0.0.1:8002
 2:02.29 wptserve INFO Starting http server on http://127.0.0.1:8001
 2:02.31 wptserve INFO Starting http2 server on https://127.0.0.1:9000
 2:02.31 wptserve INFO Starting http server on http://127.0.0.1:8000
 2:02.31 wptserve INFO Starting http server on http://127.0.0.1:8003
 2:02.34 wptserve INFO Starting https server on https://127.0.0.1:8444
 2:02.34 wptserve INFO Starting https server on https://127.0.0.1:8446
 2:02.36 wptserve INFO Create socket on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8889))
 2:02.36 wptserve INFO Bind on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8889))
 2:02.37 wptserve INFO Listen on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8889))
 2:02.37 wptserve INFO Starting https server on https://127.0.0.1:8445
 2:02.37 wptserve INFO Create socket on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8888))
 2:02.37 wptserve INFO Bind on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8888))
 2:02.37 wptserve INFO Listen on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8888))
 2:02.37 wptserve INFO Starting https server on https://127.0.0.1:8443
 2:02.45 wptserve INFO Starting WebTransport over HTTP/3 server on 127.0.0.1:11000
 2:03.42 SUITE_START: web-platform-test - running 1 tests
 2:11.12 INFO Using 1 child processes
 2:11.12 INFO Starting WebDriver: /home/test/web-platform-tests/_venv3/bin/chrome/chromedriver --port=56331 --ignore-explicit-port --url-base=/ --enable-chrome-logs --disable-build-check
 2:11.14 INFO Got WebDriver port 36265
 2:11.23 pid:2850 Full command: /home/test/web-platform-tests/_venv3/bin/chrome/chromedriver --port=56331 --ignore-explicit-port --url-base=/ --enable-chrome-logs --disable-build-check
pid:2850 Starting ChromeDriver 154.0.8013.2 (cd97647436f2c251cc6cd74d9302d9ce79a7957f-refs/branch-heads/8013@{#6}) on port 0
 2:11.23 pid:2850 Only local connections are allowed.
 2:11.23 pid:2850 Please see https://chromedriver.chromium.org/security-considerations for suggestions on keeping ChromeDriver safe.
 2:11.23 pid:2850 ChromeDriver was started successfully on port 36265.
 2:11.23 INFO Webdriver started successfully.
 2:11.23 INFO Starting runner
 2:12.48 pid:2850 [2898:2898:0822/042722.421042:WARNING:media/gpu/vaapi/vaapi_wrapper.cc:1660] drmGetDevices2() has not found any devices
 2:12.49 pid:2850 [2898:2898:0822/042722.425485:WARNING:sandbox/policy/linux/sandbox_linux.cc:405] InitializeSandbox() called with multiple threads in process gpu-process.
 2:12.49 pid:2850 [2898:2898:0822/042722.430053:WARNING:ui/gfx/linux/gbm_support_x11.cc:48] dri3 extension not supported.
 2:12.63 pid:2850 [1787372842.575][WARNING]: You are using an unsupported command-line switch: --disable-build-check. Please don't report bugs that cannot be reproduced with this switch removed.
 2:12.73 pid:2850 [2966:2966:0822/042722.672886:WARNING:content/child/runtime_features.cc:523] AttributionReporting cannot be enabled in this configuration. Use --enable-features=ConversionMeasurement in addition.
 2:12.74 pid:2850 Error: unrecognized flag --js-float16array
 2:12.74 pid:2850 Try --help for options
 2:12.80 pid:2850 [2867:2867:0822/042722.734931:WARNING:ui/aura/window.cc:1465] StackChildLayerRelativeTo called with unmanaged layer(s). child=WebContentsViewAura child_managed=0 target=WebContentsViewAura target_managed=0
 2:12.80 pid:2850 [2867:2867:0822/042722.735037:WARNING:ui/aura/window.cc:1465] StackChildLayerRelativeTo called with unmanaged layer(s). child=WebContentsViewAura child_managed=0 target=WebContentsViewAura target_managed=0
 2:12.80 pid:2850 [2978:2978:0822/042722.736035:WARNING:content/child/runtime_features.cc:523] AttributionReporting cannot be enabled in this configuration. Use --enable-features=ConversionMeasurement in addition.
 2:12.80 pid:2850 Error: unrecognized flag --js-float16array
 2:12.80 pid:2850 Try --help for options
Failed to read: session.screen0.titlebar.left
Setting default value
Failed to read: session.screen0.titlebar.right
Setting default value
 2:12.82 pid:2850 [2867:2867:0822/042722.756473:ERROR:dbus/object_proxy.cc:572] Failed to call method: org.freedesktop.DBus.Properties.GetAll: object_path= /org/freedesktop/UPower/devices/DisplayDevice: org.freedesktop.DBus.Error.ServiceUnknown: The name org.freedesktop.UPower was not provided by any .service files
 2:12.82 pid:2850 [2867:2867:0822/042722.756494:WARNING:dbus/property.cc:174] GetAll request failed for: org.freedesktop.UPower.Device
 2:12.90 pid:2850 [2990:2990:0822/042722.833198:WARNING:content/child/runtime_features.cc:523] AttributionReporting cannot be enabled in this configuration. Use --enable-features=ConversionMeasurement in addition.
 2:12.90 pid:2850 [2867:2867:0822/042722.843153:WARNING:ui/base/idle/idle_linux.cc:111] None of the known D-Bus ScreenSaver services could be used.
 2:12.91 pid:2850 Error: unrecognized flag --js-float16array
 2:12.91 pid:2850 Try --help for options
 2:12.93 pid:2850 [2867:2867:0822/042722.865057:ERROR:dbus/object_proxy.cc:572] Failed to call method: org.freedesktop.NetworkManager.GetDevices: object_path= /org/freedesktop/NetworkManager: org.freedesktop.DBus.Error.ServiceUnknown: The name org.freedesktop.NetworkManager was not provided by any .service files
 2:12.93 pid:2850 [2867:2867:0822/042722.865073:WARNING:services/device/geolocation/wifi_data_provider_linux.cc:171] Failed to get the device list
 2:13.04 pid:2850 [3006:3006:0822/042722.981232:WARNING:content/child/runtime_features.cc:523] AttributionReporting cannot be enabled in this configuration. Use --enable-features=ConversionMeasurement in addition.
 2:13.05 pid:2850 Error: unrecognized flag --js-float16array
 2:13.05 pid:2850 Try --help for options
 2:13.11 TEST_START: /css/css-box/margin-trim/margin-trim-computed-value.html
 2:13.14 pid:2850 [3021:3021:0822/042723.076883:WARNING:content/child/runtime_features.cc:523] AttributionReporting cannot be enabled in this configuration. Use --enable-features=ConversionMeasurement in addition.
 2:13.15 pid:2850 Error: unrecognized flag --js-float16array
 2:13.15 pid:2850 Try --help for options
 2:13.20 pid:2850 [2867:2867:0822/042723.141042:WARNING:ui/aura/window.cc:1465] StackChildLayerRelativeTo called with unmanaged layer(s). child=WebContentsViewAura child_managed=0 target=WebContentsViewAura target_managed=0
 2:13.20 pid:2850 [2867:2867:0822/042723.141141:WARNING:ui/aura/window.cc:1465] StackChildLayerRelativeTo called with unmanaged layer(s). child=WebContentsViewAura child_managed=0 target=WebContentsViewAura target_managed=0
 2:13.68 pid:2850 [2867:2867:0822/042723.621570:WARNING:ui/aura/window.cc:1465] StackChildLayerRelativeTo called with unmanaged layer(s). child=WebContentsViewAura child_managed=0 target=WebContentsViewAura target_managed=0
 2:13.68 pid:2850 [2867:2867:0822/042723.621675:WARNING:ui/aura/window.cc:1465] StackChildLayerRelativeTo called with unmanaged layer(s). child=WebContentsViewAura child_managed=0 target=WebContentsViewAura target_managed=0
 2:13.74 TEST_END: Test OK. Subtests passed 9/9. Unexpected 0
 2:13.74 INFO No more tests
 2:13.79 INFO Closing logging queue
 2:13.79 INFO queue closed
 2:13.88 SUITE_END

web-platform-test
~~~~~~~~~~~~~~~~~
Ran 10 checks (9 subtests, 1 tests)
Expected results: 10
Unexpected results: 0
OK
 2:13.88 INFO Got 0 unexpected results, with 0 unexpected passes
 2:13.88 wptserve INFO Stopped http server on 127.0.0.1:8000
 2:13.88 wptserve INFO Stopped http server on 127.0.0.1:8001
 2:13.88 wptserve INFO Stopped http server on 127.0.0.1:8002
 2:13.88 wptserve INFO Stopped http server on 127.0.0.1:8003
 2:13.88 wptserve INFO Stopped http server on 127.0.0.1:8443
 2:13.88 wptserve INFO Stopped http server on 127.0.0.1:8445
 2:13.88 wptserve INFO Stopped http server on 127.0.0.1:8444
 2:13.89 wptserve INFO Stopped http server on 127.0.0.1:8446
 2:13.90 wptserve INFO Stopped http server on 127.0.0.1:9000
 2:13.90 wptserve INFO Stopped WebTransport over HTTP/3 server on 127.0.0.1:11000
 2:13.93 wptserve INFO Close on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8888))
 2:13.93 wptserve INFO Close on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8889))
 2:14.13 INFO Removed font: Ahem.ttf
 2:14.16 INFO Closing logging queue
 2:14.16 INFO queue closed
[taskcluster 2026-08-22 04:27:29.747Z] === Task Finished ===
[taskcluster 2026-08-22 04:27:30.712Z] Successful task run with exit code: 0 completed in 384.319 seconds