[taskcluster 2026-05-12 04:11:12.080Z] Task ID: YgSNjeIZSRCP1_YaB7BgUg
[taskcluster 2026-05-12 04:11:12.080Z] Worker ID: 2283931914461978711
[taskcluster 2026-05-12 04:11:12.080Z] Worker Group: us-central1-b
[taskcluster 2026-05-12 04:11:12.080Z] Worker Node Type: projects/757942385826/machineTypes/n2-standard-4
[taskcluster 2026-05-12 04:11:12.080Z] Worker Pool: proj-wpt/ci
[taskcluster 2026-05-12 04:11:12.080Z] Worker Version: 46.1.0
[taskcluster 2026-05-12 04:11:12.080Z] Public IP: 34.42.142.232
[taskcluster 2026-05-12 04:11:12.080Z] Hostname: proj-wpt-ci-optqs4tnr7-8-ujowk5z6g

[taskcluster 2026-05-12 04:11:13.085Z] === 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

...(421 lines hidden)...

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
 0:40.06 INFO Identified 7 affected tests
 0:40.06 INFO Installing browser
 0:40.12 INFO Downloading Chrome for Testing from https://storage.googleapis.com/chrome-for-testing-public/150.0.7828.2/linux64/chrome-linux64.zip
mem avail: 14654 of 15806 MiB (92.71%), swap free:    0 of    0 MiB ( 0.00%)
 0:43.75 INFO Downloading Mojo bindings from https://storage.googleapis.com/chrome-for-testing-public/150.0.7828.2/mojojs.zip
 0:43.82 INFO MojoJS enabled automatically (mojojs_path: /home/test/web-platform-tests/_venv3/mojojs/gen)
 0:43.85 INFO Download info for matching ChromeDriver version found.
 0:43.85 INFO Downloading ChromeDriver from https://storage.googleapis.com/chrome-for-testing-public/150.0.7828.2/linux64/chromedriver-linux64.zip
 0:44.15 INFO Automatically turning on experimental features
 0:55.33 INFO Installed font: Ahem.ttf
 0:56.52 wptserve INFO Starting http server on http://127.0.0.1:8000
 0:56.56 wptserve INFO Starting http server on http://127.0.0.1:8002
 0:56.62 wptserve INFO Starting http2 server on https://127.0.0.1:9000
 0:56.64 wptserve INFO Starting http server on http://127.0.0.1:8003
 0:56.64 wptserve INFO Starting https server on https://127.0.0.1:8446
 0:56.65 wptserve INFO Starting http server on http://127.0.0.1:8001
 0:56.66 wptserve INFO Starting https server on https://127.0.0.1:8443
 0:56.66 wptserve INFO Starting https server on https://127.0.0.1:8445
 0:56.67 wptserve INFO Starting https server on https://127.0.0.1:8444
 0:56.67 wptserve INFO Create socket on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8889))
 0:56.68 wptserve INFO Bind on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8889))
 0:56.68 wptserve INFO Listen on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8889))
 0:56.68 wptserve INFO Create socket on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8888))
 0:56.68 wptserve INFO Bind on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8888))
 0:56.68 wptserve INFO Listen on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8888))
 0:56.78 wptserve INFO Starting WebTransport over HTTP/3 server on 127.0.0.1:11000
 0:57.75 SUITE_START: web-platform-test - running 7 tests
 1:03.90 INFO Using 1 child processes
 1:03.90 INFO Starting WebDriver: /home/test/web-platform-tests/_venv3/bin/chrome/chromedriver --port=58223 --ignore-explicit-port --url-base=/ --enable-chrome-logs --disable-build-check
 1:03.93 INFO Got WebDriver port 37721
 1:04.02 pid:2838 Full command: /home/test/web-platform-tests/_venv3/bin/chrome/chromedriver --port=58223 --ignore-explicit-port --url-base=/ --enable-chrome-logs --disable-build-check
pid:2838 Starting ChromeDriver 150.0.7828.2 (43d95a9f3303b19fa3795741a7c003fc69dac645-refs/branch-heads/7828@{#4}) on port 0
 1:04.02 pid:2838 Only local connections are allowed.
 1:04.02 pid:2838 Please see https://chromedriver.chromium.org/security-considerations for suggestions on keeping ChromeDriver safe.
 1:04.02 pid:2838 ChromeDriver was started successfully on port 37721.
 1:04.02 INFO Webdriver started successfully.
 1:04.02 INFO Starting runner
 1:05.83 pid:2838 [2890:2890:0512/041346.876985:WARNING:media/gpu/vaapi/vaapi_wrapper.cc:1587] drmGetDevices2() has not found any devices
 1:05.84 pid:2838 [2890:2890:0512/041346.905950:WARNING:sandbox/policy/linux/sandbox_linux.cc:404] InitializeSandbox() called with multiple threads in process gpu-process.
 1:05.85 pid:2838 [2890:2890:0512/041346.912281:WARNING:ui/gfx/linux/gbm_support_x11.cc:48] dri3 extension not supported.
 1:05.95 pid:2838 [1778559227.007][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.
 1:05.95 pid:2838 [2855:2855:0512/041347.009391: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
 1:05.95 pid:2838 [2855:2855:0512/041347.009416:WARNING:dbus/property.cc:174] GetAll request failed for: org.freedesktop.UPower.Device
Failed to read: session.screen0.titlebar.left
Setting default value
Failed to read: session.screen0.titlebar.right
Setting default value
 1:06.58 pid:2838 [2855:2855:0512/041347.638846:WARNING:ui/base/idle/idle_linux.cc:111] None of the known D-Bus ScreenSaver services could be used.
 1:06.71 TEST_START: /html/semantics/scripting-1/the-script-element/css-module/css-module-parse-error.html
 1:06.98 TEST_END: Test OK. Subtests passed 3/3. Unexpected 0
 1:06.98 TEST_START: /shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-async-fetch-disconnect-iframe.html
 1:07.93 TEST_END: Test OK. Subtests passed 1/1. Unexpected 0
 1:07.93 TEST_START: /shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-async-fetch-failure-shared.html
 1:08.35 TEST_END: Test OK. Subtests passed 1/3. Unexpected 2
FAIL Failed fetch initiated by shadowrootadoptedstylesheets stays failed for later declarative consumers. - assert_equals: Second declarative consumer of an already-failed URL: no sheet. expected 0 but got 1
    at Test.<anonymous> (http://web-platform.test:8000/shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-async-fetch-failure-shared.html:42:5)
FAIL Failed import() is observed by subsequent shadowrootadoptedstylesheets. - assert_equals: Declarative consumer after imperative failure: no sheet. expected 0 but got 1
    at Test.<anonymous> (http://web-platform.test:8000/shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-async-fetch-failure-shared.html:74:5)

 1:08.35 TEST_START: /shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-async-fetch-failure.html
 1:08.59 pid:2838 [2855:2855:0512/041349.647258:INFO:CONSOLE:0] "Ignored an import map value of "blocked-by-null": Invalid value type.", source: http://web-platform.test:8000/shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-async-fetch-failure.html (0)
 1:08.83 TEST_END: Test OK. Subtests passed 6/6. Unexpected 0
 1:08.83 TEST_START: /shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-async-fetch-mutation-removed-still-updates.html
 1:08.95 pid:2838 [2855:2873:0512/041350.016434:ERROR:google_apis/gcm/engine/registration_request.cc:291] Registration response error message: DEPRECATED_ENDPOINT
 1:08.97 pid:2838 [2855:2873:0512/041350.030333:ERROR:google_apis/gcm/engine/registration_request.cc:291] Registration response error message: PHONE_REGISTRATION_ERROR
 1:08.97 pid:2838 [2855:2873:0512/041350.030656:ERROR:google_apis/gcm/engine/registration_request.cc:291] Registration response error message: PHONE_REGISTRATION_ERROR
 1:09.18 TEST_END: Test OK. Subtests passed 0/1. Unexpected 1
FAIL Removed original_sheet is still updated by fetch and applies styles when re-adopted. - assert_equals: The retained original_sheet reference should have one rule after fetch. expected 1 but got 0
    at Test.<anonymous> (http://web-platform.test:8000/shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-async-fetch-mutation-removed-still-updates.html:38:5)

 1:09.18 TEST_START: /shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-modulepreload-failure.html
 1:09.50 TEST_END: Test OK. Subtests passed 0/2. Unexpected 2
FAIL Failed modulepreload (404) is skipped by shadowrootadoptedstylesheets. - assert_equals: After failed preload: no sheet should be added. expected 0 but got 1
    at Test.<anonymous> (http://web-platform.test:8000/shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-modulepreload-failure.html:33:5)
FAIL Mixed valid/invalid modulepreloads: failed ones are skipped and valid ones work. - assert_equals: Only the valid preload should contribute a sheet. expected 1 but got 2
    at Test.<anonymous> (http://web-platform.test:8000/shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-modulepreload-failure.html:53:5)

 1:09.50 TEST_START: /shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-placeholder-identity.html
 1:09.85 TEST_END: Test OK. Subtests passed 0/1. Unexpected 1
FAIL Sheet identity does not change after fetch completes. - assert_equals: The fetched sheet should not change after fetch. expected object "[object CSSStyleSheet]" but got object "[object CSSStyleSheet]"
    at Test.<anonymous> (http://web-platform.test:8000/shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-placeholder-identity.html:27:5)

 1:09.85 INFO No more tests
 1:09.90 INFO Closing logging queue
 1:09.90 INFO queue closed
 1:09.99 SUITE_END

web-platform-test
~~~~~~~~~~~~~~~~~
Ran 24 checks (17 subtests, 7 tests)
Expected results: 18
Unexpected results: 6
  subtest: 6 (6 fail)

Error Summary
-------------
/shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-async-fetch-failure-shared.html
  FAIL Failed fetch initiated by shadowrootadoptedstylesheets stays failed for later declarative consumers. - assert_equals: Second declarative consumer of an already-failed URL: no sheet. expected 0 but got 1
    at Test.<anonymous> (http://web-platform.test:8000/shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-async-fetch-failure-shared.html:42:5)
  FAIL Failed import() is observed by subsequent shadowrootadoptedstylesheets. - assert_equals: Declarative consumer after imperative failure: no sheet. expected 0 but got 1
    at Test.<anonymous> (http://web-platform.test:8000/shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-async-fetch-failure-shared.html:74:5)
/shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-async-fetch-mutation-removed-still-updates.html
  FAIL Removed original_sheet is still updated by fetch and applies styles when re-adopted. - assert_equals: The retained original_sheet reference should have one rule after fetch. expected 1 but got 0
    at Test.<anonymous> (http://web-platform.test:8000/shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-async-fetch-mutation-removed-still-updates.html:38:5)
/shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-modulepreload-failure.html
  FAIL Failed modulepreload (404) is skipped by shadowrootadoptedstylesheets. - assert_equals: After failed preload: no sheet should be added. expected 0 but got 1
    at Test.<anonymous> (http://web-platform.test:8000/shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-modulepreload-failure.html:33:5)
  FAIL Mixed valid/invalid modulepreloads: failed ones are skipped and valid ones work. - assert_equals: Only the valid preload should contribute a sheet. expected 1 but got 2
    at Test.<anonymous> (http://web-platform.test:8000/shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-modulepreload-failure.html:53:5)
/shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-placeholder-identity.html
  FAIL Sheet identity does not change after fetch completes. - assert_equals: The fetched sheet should not change after fetch. expected object "[object CSSStyleSheet]" but got object "[object CSSStyleSheet]"
    at Test.<anonymous> (http://web-platform.test:8000/shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-placeholder-identity.html:27:5)
 1:09.99 INFO Got 4 unexpected results, with 0 unexpected passes
 1:09.99 wptserve INFO Stopped http server on 127.0.0.1:8001
 1:09.99 wptserve INFO Stopped http server on 127.0.0.1:8000
 1:09.99 wptserve INFO Stopped http server on 127.0.0.1:8002
 1:10.01 wptserve INFO Stopped http server on 127.0.0.1:8003
 1:10.02 wptserve INFO Stopped http server on 127.0.0.1:8443
 1:10.02 wptserve INFO Stopped http server on 127.0.0.1:8444
 1:10.03 wptserve INFO Stopped http server on 127.0.0.1:8446
 1:10.03 wptserve INFO Stopped http server on 127.0.0.1:8445
 1:10.04 wptserve INFO Stopped http server on 127.0.0.1:9000
 1:10.04 wptserve INFO Stopped WebTransport over HTTP/3 server on 127.0.0.1:11000
 1:10.26 wptserve INFO Close on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8889))
 1:10.26 wptserve INFO Close on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8888))
 1:10.31 INFO Removed font: Ahem.ttf
 1:10.34 INFO Closing logging queue
 1:10.35 INFO queue closed
 1:10.35 INFO Tolerating 4 unexpected results
[taskcluster 2026-05-12 04:13:54.726Z] === Task Finished ===
[taskcluster 2026-05-12 04:13:55.679Z] Successful task run with exit code: 0 completed in 163.6 seconds