[taskcluster 2026-04-06 23:04:30.412Z] Task ID: ajZW5FgVQLekJjqc5_1fCQ
[taskcluster 2026-04-06 23:04:30.412Z] Worker ID: 8465643520046760983
[taskcluster 2026-04-06 23:04:30.412Z] Worker Group: us-central1-c
[taskcluster 2026-04-06 23:04:30.412Z] Worker Node Type: projects/757942385826/machineTypes/n2-standard-4
[taskcluster 2026-04-06 23:04:30.412Z] Worker Pool: proj-wpt/ci
[taskcluster 2026-04-06 23:04:30.412Z] Worker Version: 46.1.0
[taskcluster 2026-04-06 23:04:30.412Z] Public IP: 35.232.223.141
[taskcluster 2026-04-06 23:04:30.412Z] Hostname: proj-wpt-ci-dpqabwwyst-26ww2j4s0sg

[taskcluster 2026-04-06 23:04:31.480Z] === 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

...(408 lines hidden)...

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_android' for argument registration: No module named 'mozrunner'
Warning: could not load product 'firefox' for argument registration: No module named 'mozleak'
 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
 0:13.43 INFO Identified 5 affected tests
 0:13.43 INFO Installing browser
 0:13.49 INFO Downloading Chrome for Testing from https://storage.googleapis.com/chrome-for-testing-public/148.0.7766.3/linux64/chrome-linux64.zip
 0:17.05 INFO Downloading Mojo bindings from https://storage.googleapis.com/chrome-for-testing-public/148.0.7766.3/mojojs.zip
 0:17.11 INFO MojoJS enabled automatically (mojojs_path: /home/test/web-platform-tests/_venv3/mojojs/gen)
 0:17.14 INFO Download info for matching ChromeDriver version found.
 0:17.14 INFO Downloading ChromeDriver from https://storage.googleapis.com/chrome-for-testing-public/148.0.7766.3/linux64/chromedriver-linux64.zip
 0:17.42 INFO Automatically turning on experimental features
 0:24.27 INFO Installed font: Ahem.ttf
 0:25.36 wptserve INFO Create socket on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8888))
 0:25.36 wptserve INFO Bind on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8888))
 0:25.36 wptserve INFO Listen on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8888))
 0:25.54 wptserve INFO Starting https server on https://127.0.0.1:8443
 0:25.57 wptserve INFO Starting http server on http://127.0.0.1:8001
 0:25.59 wptserve INFO Starting https server on https://127.0.0.1:8445
 0:25.61 wptserve INFO Create socket on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8889))
 0:25.62 wptserve INFO Bind on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8889))
 0:25.62 wptserve INFO Listen on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8889))
 0:25.64 wptserve INFO Starting https server on https://127.0.0.1:8444
 0:25.67 wptserve INFO Starting http server on http://127.0.0.1:8002
 0:25.69 wptserve INFO Starting http2 server on https://127.0.0.1:9000
 0:25.69 wptserve INFO Starting http server on http://127.0.0.1:8000
 0:25.73 wptserve INFO Starting http server on http://127.0.0.1:8003
 0:25.74 wptserve INFO Starting https server on https://127.0.0.1:8446
 0:26.02 wptserve INFO Starting WebTransport over HTTP/3 server on 127.0.0.1:11000
 0:26.86 SUITE_START: web-platform-test - running 5 tests
 0:35.07 INFO Using 1 child processes
 0:35.07 INFO Starting WebDriver: /home/test/web-platform-tests/_venv3/bin/chrome/chromedriver --port=45795 --ignore-explicit-port --url-base=/ --enable-chrome-logs --disable-build-check
 0:35.09 INFO Got WebDriver port 46425
 0:35.19 pid:2207 Full command: /home/test/web-platform-tests/_venv3/bin/chrome/chromedriver --port=45795 --ignore-explicit-port --url-base=/ --enable-chrome-logs --disable-build-check
pid:2207 Starting ChromeDriver 148.0.7766.3 (bb1e9d2cbbe2eaf817259ed36b44cbe777103365-refs/branch-heads/7766@{#7}) on port 0
 0:35.19 pid:2207 Only local connections are allowed.
 0:35.19 pid:2207 Please see https://chromedriver.chromium.org/security-considerations for suggestions on keeping ChromeDriver safe.
 0:35.19 pid:2207 ChromeDriver was started successfully on port 46425.
 0:35.19 INFO Webdriver started successfully.
 0:35.19 INFO Starting runner
 0:37.37 pid:2207 [2261:2261:0406/230633.973417:WARNING:sandbox/policy/linux/sandbox_linux.cc:404] InitializeSandbox() called with multiple threads in process gpu-process.
 0:37.39 pid:2207 [2261:2261:0406/230633.991001:WARNING:ui/gfx/linux/gbm_support_x11.cc:48] dri3 extension not supported.
 0:37.40 pid:2207 [1775516793.997][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.
 0:37.55 pid:2207 Error: unrecognized flag --external_memory_accounted_in_global_limit
 0:37.55 pid:2207 Try --help for options
Failed to read: session.screen0.titlebar.left
Setting default value
Failed to read: session.screen0.titlebar.right
Setting default value
 0:37.59 pid:2207 [2224:2224:0406/230634.185162: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
 0:37.59 pid:2207 [2224:2224:0406/230634.185181:WARNING:dbus/property.cc:174] GetAll request failed for: org.freedesktop.UPower.Device
 0:37.60 pid:2207 [2224:2224:0406/230634.205651:WARNING:ui/base/idle/idle_linux.cc:111] None of the known D-Bus ScreenSaver services could be used.
 0:37.63 pid:2207 Error: unrecognized flag --external_memory_accounted_in_global_limit
 0:37.63 pid:2207 Try --help for options
 0:37.72 pid:2207 Error: unrecognized flag --external_memory_accounted_in_global_limit
 0:37.72 pid:2207 Try --help for options
 0:37.80 TEST_START: /css/css-overflow/overflow-clip-content-visual-overflow.html
 0:38.95 TEST_END: PASS
 0:38.95 TEST_START: /css/css-overflow/overflow-clip-margin-003.html
 0:39.49 TEST_END: PASS
 0:39.49 TEST_START: /css/css-overflow/overflow-clip-margin-006.html
 0:39.89 TEST_END: PASS
 0:39.89 TEST_START: /css/css-overflow/overflow-hidden-resize-with-stacking-context-child.html
 0:40.23 TEST_END: PASS
 0:40.23 INFO Restarting browser for new test group
 0:40.28 INFO Closing logging queue
 0:40.29 INFO queue closed
 0:40.38 INFO Starting WebDriver: /home/test/web-platform-tests/_venv3/bin/chrome/chromedriver --port=38743 --ignore-explicit-port --url-base=/ --enable-chrome-logs --disable-build-check
 0:40.40 INFO Got WebDriver port 44083
 0:40.50 pid:2456 Full command: /home/test/web-platform-tests/_venv3/bin/chrome/chromedriver --port=38743 --ignore-explicit-port --url-base=/ --enable-chrome-logs --disable-build-check
pid:2456 Starting ChromeDriver 148.0.7766.3 (bb1e9d2cbbe2eaf817259ed36b44cbe777103365-refs/branch-heads/7766@{#7}) on port 0
 0:40.50 pid:2456 Only local connections are allowed.
 0:40.50 pid:2456 Please see https://chromedriver.chromium.org/security-considerations for suggestions on keeping ChromeDriver safe.
 0:40.50 pid:2456 ChromeDriver was started successfully on port 44083.
 0:40.50 INFO Webdriver started successfully.
 0:40.50 INFO Starting runner
 0:41.45 pid:2456 [2510:2510:0406/230638.053678:WARNING:sandbox/policy/linux/sandbox_linux.cc:404] InitializeSandbox() called with multiple threads in process gpu-process.
 0:41.47 pid:2456 [2510:2510:0406/230638.067519:WARNING:ui/gfx/linux/gbm_support_x11.cc:48] dri3 extension not supported.
 0:41.72 pid:2456 Error: unrecognized flag --external_memory_accounted_in_global_limit
 0:41.73 pid:2456 Try --help for options
 0:41.76 pid:2456 [1775516798.362][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.
 0:41.78 pid:2456 [2473:2473:0406/230638.385665: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
 0:41.79 pid:2456 [2473:2473:0406/230638.386323:WARNING:dbus/property.cc:174] GetAll request failed for: org.freedesktop.UPower.Device
 0:41.80 pid:2456 [2473:2473:0406/230638.404229:WARNING:ui/base/idle/idle_linux.cc:111] None of the known D-Bus ScreenSaver services could be used.
 0:41.83 pid:2456 Error: unrecognized flag --external_memory_accounted_in_global_limit
 0:41.83 pid:2456 Try --help for options
 0:41.96 pid:2456 Error: unrecognized flag --external_memory_accounted_in_global_limit
 0:41.96 pid:2456 Try --help for options
 0:42.12 TEST_START: /css/css-overflow/overflow-clip-hit-testing.html
 0:42.21 pid:2456 Error: unrecognized flag --external_memory_accounted_in_global_limit
 0:42.21 pid:2456 Try --help for options
 0:42.98 TEST_END: Test OK. Subtests passed 1/1. Unexpected 0
 0:42.98 INFO No more tests
 0:43.04 INFO Closing logging queue
 0:43.04 INFO queue closed
 0:43.17 SUITE_END

web-platform-test
~~~~~~~~~~~~~~~~~
Ran 6 checks (1 subtests, 5 tests)
Expected results: 6
Unexpected results: 0
OK
 0:43.17 INFO Got 0 unexpected results, with 0 unexpected passes
 0:43.17 wptserve INFO Stopped http server on 127.0.0.1:8000
 0:43.18 wptserve INFO Stopped http server on 127.0.0.1:8002
 0:43.19 wptserve INFO Stopped http server on 127.0.0.1:8003
 0:43.19 wptserve INFO Stopped http server on 127.0.0.1:8001
 0:43.20 wptserve INFO Stopped http server on 127.0.0.1:8444
 0:43.21 wptserve INFO Stopped http server on 127.0.0.1:8445
 0:43.21 wptserve INFO Stopped http server on 127.0.0.1:8446
 0:43.23 wptserve INFO Stopped http server on 127.0.0.1:8443
 0:43.23 wptserve INFO Stopped http server on 127.0.0.1:9000
 0:43.23 wptserve INFO Stopped WebTransport over HTTP/3 server on 127.0.0.1:11000
 0:43.39 wptserve INFO Close on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8889))
 0:43.39 wptserve INFO Close on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8888))
 0:43.67 INFO Removed font: Ahem.ttf
 0:43.72 INFO Closing logging queue
 0:43.72 INFO queue closed
mem avail: 14557 of 15806 MiB (92.10%), swap free:    0 of    0 MiB ( 0.00%)
[taskcluster 2026-04-06 23:06:43.372Z] === Task Finished ===
[taskcluster 2026-04-06 23:06:44.469Z] Successful task run with exit code: 0 completed in 134.059 seconds