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[Gecko Bug 1981349] Revert "Bug 1981349 - Add referenceTarget support for label/for, label wrapped and output/for. " for causing accessibility crashes (bug 2008970) #57069

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Merged
moz-wptsync-bot merged 1 commit into from
Jan 8, 2026

Revert "Bug 1981349 - Add referenceTarget support for label/for, labe…

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[Gecko Bug 1981349] Revert "Bug 1981349 - Add referenceTarget support for label/for, label wrapped and output/for. " for causing accessibility crashes (bug 2008970) #57069

Revert "Bug 1981349 - Add referenceTarget support for label/for, labe…
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Community-TC Integration / wpt-chrome-dev-results succeeded Jan 8, 2026 in 13m 15s

Community-TC (pull_request)

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

Details

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

Task Status

Started: 2026-01-08T09:13:15.986Z
Resolved: 2026-01-08T09:15:26.944Z
Task Execution Time: 2 minutes, 10 seconds, 958 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=dev --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 --enable-swiftshader --install-browser --install-webdriver chrome

[taskcluster 2026-01-08 09:13:16.065Z] Task ID: dLz10w0SQ--6oaqZNWI7XA
[taskcluster 2026-01-08 09:13:16.065Z] Worker ID: 3944035335330272715
[taskcluster 2026-01-08 09:13:16.065Z] Worker Group: us-east1-b
[taskcluster 2026-01-08 09:13:16.065Z] Worker Node Type: projects/757942385826/machineTypes/n2-standard-4
[taskcluster 2026-01-08 09:13:16.065Z] Worker Pool: proj-wpt/ci
[taskcluster 2026-01-08 09:13:16.065Z] Worker Version: 46.1.0
[taskcluster 2026-01-08 09:13:16.065Z] Public IP: 35.237.244.160
[taskcluster 2026-01-08 09:13:16.065Z] Hostname: proj-wpt-ci-tngephboqpo-f1ydedvcpg

[taskcluster 2026-01-08 09:13:16.984Z] === 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

...(489 lines hidden)...

 0:12.09 INFO Downloading Mojo bindings from https://storage.googleapis.com/chrome-for-testing-public/145.0.7572.2/mojojs.zip
 0:12.14 INFO MojoJS enabled automatically (mojojs_path: /home/test/web-platform-tests/_venv3/mojojs/gen)
 0:12.16 INFO Download info for matching ChromeDriver version found.
 0:12.16 INFO Downloading ChromeDriver from https://storage.googleapis.com/chrome-for-testing-public/145.0.7572.2/linux64/chromedriver-linux64.zip
 0:12.42 INFO Automatically turning on experimental features for Chrome Dev/Canary or Chromium trunk
 0:17.93 INFO Installed font: Ahem.ttf
 0:18.83 wptserve INFO Starting http server on http://127.0.0.1:8003
 0:18.86 wptserve INFO Starting http server on http://127.0.0.1:8000
 0:18.86 wptserve INFO Starting http server on http://127.0.0.1:8002
 0:18.88 wptserve INFO Starting https server on https://127.0.0.1:8444
 0:18.91 wptserve INFO Starting https server on https://127.0.0.1:8443
 0:18.93 wptserve INFO Starting http server on http://127.0.0.1:8001
 0:18.93 wptserve INFO Starting https server on https://127.0.0.1:8446
 0:18.95 wptserve INFO Starting https server on https://127.0.0.1:8445
 0:18.95 wptserve INFO Create socket on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8888))
 0:18.95 wptserve INFO Bind on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8888))
 0:18.95 wptserve INFO Listen on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8888))
 0:18.95 wptserve INFO Starting http2 server on https://127.0.0.1:9000
 0:18.96 wptserve INFO Create socket on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8889))
 0:18.96 wptserve INFO Bind on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8889))
 0:18.96 wptserve INFO Listen on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8889))
 0:19.03 wptserve INFO Starting WebTransport over HTTP/3 server on 127.0.0.1:11000
 0:19.32 SUITE_START: web-platform-test - running 4 tests
 0:37.81 INFO Using 1 child processes
 0:37.82 INFO Starting WebDriver: /home/test/web-platform-tests/_venv3/bin/chrome/chromedriver --port=48781 --ignore-explicit-port --url-base=/ --enable-chrome-logs --disable-build-check
 0:37.83 INFO Got WebDriver port 38405
 0:37.93 pid:2209 Full command: /home/test/web-platform-tests/_venv3/bin/chrome/chromedriver --port=48781 --ignore-explicit-port --url-base=/ --enable-chrome-logs --disable-build-check
pid:2209 Starting ChromeDriver 145.0.7572.2 (68918169e6422bcf7c8ca8cdea509443a35f96a4-refs/branch-heads/7572@{#6}) on port 0
 0:37.93 pid:2209 Only local connections are allowed.
 0:37.93 pid:2209 Please see https://chromedriver.chromium.org/security-considerations for suggestions on keeping ChromeDriver safe.
 0:37.93 pid:2209 ChromeDriver was started successfully on port 38405.
 0:37.93 INFO Webdriver started successfully.
 0:37.93 INFO Starting runner
 0:39.12 pid:2209 [2257:2257:0108/091517.397259:WARNING:ui/gfx/linux/gbm_support_x11.cc:49] dri3 extension not supported.
 0:39.12 pid:2209 [2257:2257:0108/091517.401133:WARNING:sandbox/policy/linux/sandbox_linux.cc:405] InitializeSandbox() called with multiple threads in process gpu-process.
Failed to read: session.screen0.titlebar.left
Setting default value
Failed to read: session.screen0.titlebar.right
Setting default value
 0:39.22 pid:2209 [1767863717.497][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.
 0:39.22 pid:2209 [2226:2226:0108/091517.499142:ERROR:dbus/object_proxy.cc:573] 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
 0:39.22 pid:2209 [2226:2226:0108/091517.499158:WARNING:dbus/property.cc:174] GetAll request failed for: org.freedesktop.UPower.Device
 0:39.26 pid:2209 [2226:2226:0108/091517.545216:WARNING:ui/base/idle/idle_linux.cc:113] None of the known D-Bus ScreenSaver services could be used.
 0:39.34 TEST_START: /shadow-dom/reference-target/tentative/dom-mutation.html
 0:39.81 TEST_END: Test OK. Subtests passed 7/7. Unexpected 0
 0:39.81 TEST_START: /shadow-dom/reference-target/tentative/form.html
 0:40.03 pid:2209 [2257:2257:0108/091518.312649:ERROR:gpu/command_buffer/service/shared_image/shared_image_manager.cc:397] SharedImageManager::ProduceSkia: Trying to Produce a Skia representation from a non-existent mailbox.
 0:40.06 TEST_END: Test OK. Subtests passed 5/5. Unexpected 0
 0:40.06 TEST_START: /shadow-dom/reference-target/tentative/label-descendant.html
 0:40.28 WARNING Action get_computed_label failed with an unexpected exception
Traceback (most recent call last):

  File "/home/test/web-platform-tests/tools/wptrunner/wptrunner/executors/base.py", line 820, in process_action
    result = action_handler(params)

  File "/home/test/web-platform-tests/tools/wptrunner/wptrunner/executors/actions.py", line 50, in __call__
    element = self.protocol.select.element_by_selector(selector)

  File "/home/test/web-platform-tests/tools/wptrunner/wptrunner/executors/protocol.py", line 291, in element_by_selector
    raise ValueError(f"Selector '{element_selector}' matches no elements")

ValueError: Selector '#\69 \6e \70 \75 \74 ' matches no elements

 0:40.31 pid:2209 [2257:2257:0108/091518.588175:ERROR:gpu/command_buffer/service/shared_image/shared_image_manager.cc:397] SharedImageManager::ProduceSkia: Trying to Produce a Skia representation from a non-existent mailbox.
 0:40.34 TEST_END: ERROR, expected OK - Traceback (most recent call last):
  File "/home/test/web-platform-tests/tools/wptrunner/wptrunner/executors/executorwebdriver.py", line 1146, in run_func
    self.result = True, self.func(self.protocol, self.url, self.timeout)
  File "/home/test/web-platform-tests/tools/wptrunner/wptrunner/executors/executorwebdriver.py", line 1243, in do_testharness
    raw_results = protocol.testdriver.run(url, self.script_resume, test_window)
  File "/home/test/web-platform-tests/tools/wptrunner/wptrunner/executors/executorwebdriver.py", line 711, in run
    done, rv = handler(test_driver_message)
  File "/home/test/web-platform-tests/tools/wptrunner/wptrunner/executors/base.py", line 802, in __call__
    return callback(url, payload)
  File "/home/test/web-platform-tests/tools/wptrunner/wptrunner/executors/base.py", line 820, in process_action
    result = action_handler(params)
  File "/home/test/web-platform-tests/tools/wptrunner/wptrunner/executors/actions.py", line 50, in __call__
    element = self.protocol.select.element_by_selector(selector)
  File "/home/test/web-platform-tests/tools/wptrunner/wptrunner/executors/protocol.py", line 291, in element_by_selector
    raise ValueError(f"Selector '{element_selector}' matches no elements")
ValueError: Selector '#\69 \6e \70 \75 \74 ' matches no elements

 0:40.40 INFO Closing logging queue
 0:40.40 INFO queue closed
 0:40.45 INFO Starting WebDriver: /home/test/web-platform-tests/_venv3/bin/chrome/chromedriver --port=52589 --ignore-explicit-port --url-base=/ --enable-chrome-logs --disable-build-check
 0:40.47 INFO Got WebDriver port 45561
 0:40.57 pid:2393 Full command: /home/test/web-platform-tests/_venv3/bin/chrome/chromedriver --port=52589 --ignore-explicit-port --url-base=/ --enable-chrome-logs --disable-build-check
pid:2393 Starting ChromeDriver 145.0.7572.2 (68918169e6422bcf7c8ca8cdea509443a35f96a4-refs/branch-heads/7572@{#6}) on port 0
 0:40.57 pid:2393 Only local connections are allowed.
 0:40.57 pid:2393 Please see https://chromedriver.chromium.org/security-considerations for suggestions on keeping ChromeDriver safe.
 0:40.57 pid:2393 ChromeDriver was started successfully on port 45561.
 0:40.57 INFO Webdriver started successfully.
 0:40.57 INFO Starting runner
 0:41.25 pid:2393 [2441:2441:0108/091519.490918:WARNING:ui/gfx/linux/gbm_support_x11.cc:49] dri3 extension not supported.
 0:41.26 pid:2393 [2441:2441:0108/091519.537846:WARNING:sandbox/policy/linux/sandbox_linux.cc:405] InitializeSandbox() called with multiple threads in process gpu-process.
mem avail: 14237 of 15806 MiB (90.08%), swap free:    0 of    0 MiB ( 0.00%)
 0:41.30 pid:2393 [1767863719.582][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.
 0:41.86 pid:2393 [2410:2410:0108/091520.143216:ERROR:dbus/object_proxy.cc:573] 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
 0:41.86 pid:2393 [2410:2410:0108/091520.143236:WARNING:dbus/property.cc:174] GetAll request failed for: org.freedesktop.UPower.Device
 0:42.20 pid:2393 [2410:2410:0108/091520.485449:WARNING:ui/base/idle/idle_linux.cc:113] None of the known D-Bus ScreenSaver services could be used.
 0:44.21 TEST_START: /shadow-dom/reference-target/tentative/label-for.html
 0:44.45 WARNING Action get_computed_label failed with an unexpected exception
Traceback (most recent call last):

  File "/home/test/web-platform-tests/tools/wptrunner/wptrunner/executors/base.py", line 820, in process_action
    result = action_handler(params)

  File "/home/test/web-platform-tests/tools/wptrunner/wptrunner/executors/actions.py", line 50, in __call__
    element = self.protocol.select.element_by_selector(selector)

  File "/home/test/web-platform-tests/tools/wptrunner/wptrunner/executors/protocol.py", line 291, in element_by_selector
    raise ValueError(f"Selector '{element_selector}' matches no elements")

ValueError: Selector '#\69 \6e \70 \75 \74 \31 ' matches no elements

 0:44.47 pid:2393 [2441:2441:0108/091522.754476:ERROR:gpu/command_buffer/service/shared_image/shared_image_manager.cc:397] SharedImageManager::ProduceSkia: Trying to Produce a Skia representation from a non-existent mailbox.
 0:44.51 TEST_END: ERROR, expected OK - Traceback (most recent call last):
  File "/home/test/web-platform-tests/tools/wptrunner/wptrunner/executors/executorwebdriver.py", line 1146, in run_func
    self.result = True, self.func(self.protocol, self.url, self.timeout)
  File "/home/test/web-platform-tests/tools/wptrunner/wptrunner/executors/executorwebdriver.py", line 1243, in do_testharness
    raw_results = protocol.testdriver.run(url, self.script_resume, test_window)
  File "/home/test/web-platform-tests/tools/wptrunner/wptrunner/executors/executorwebdriver.py", line 711, in run
    done, rv = handler(test_driver_message)
  File "/home/test/web-platform-tests/tools/wptrunner/wptrunner/executors/base.py", line 802, in __call__
    return callback(url, payload)
  File "/home/test/web-platform-tests/tools/wptrunner/wptrunner/executors/base.py", line 820, in process_action
    result = action_handler(params)
  File "/home/test/web-platform-tests/tools/wptrunner/wptrunner/executors/actions.py", line 50, in __call__
    element = self.protocol.select.element_by_selector(selector)
  File "/home/test/web-platform-tests/tools/wptrunner/wptrunner/executors/protocol.py", line 291, in element_by_selector
    raise ValueError(f"Selector '{element_selector}' matches no elements")
ValueError: Selector '#\69 \6e \70 \75 \74 \31 ' matches no elements

 0:44.51 INFO No more tests
 0:44.56 INFO Closing logging queue
 0:44.56 INFO queue closed
 0:44.62 SUITE_END

web-platform-test
~~~~~~~~~~~~~~~~~
Ran 16 checks (12 subtests, 4 tests)
Expected results: 14
Unexpected results: 2
  test: 2 (2 error)

Unexpected Results
------------------
/shadow-dom/reference-target/tentative/label-descendant.html
  ERROR /shadow-dom/reference-target/tentative/label-descendant.html - Traceback (most recent call last):
  File "/home/test/web-platform-tests/tools/wptrunner/wptrunner/executors/executorwebdriver.py", line 1146, in run_func
    self.result = True, self.func(self.protocol, self.url, self.timeout)
  File "/home/test/web-platform-tests/tools/wptrunner/wptrunner/executors/executorwebdriver.py", line 1243, in do_testharness
    raw_results = protocol.testdriver.run(url, self.script_resume, test_window)
  File "/home/test/web-platform-tests/tools/wptrunner/wptrunner/executors/executorwebdriver.py", line 711, in run
    done, rv = handler(test_driver_message)
  File "/home/test/web-platform-tests/tools/wptrunner/wptrunner/executors/base.py", line 802, in __call__
    return callback(url, payload)
  File "/home/test/web-platform-tests/tools/wptrunner/wptrunner/executors/base.py", line 820, in process_action
    result = action_handler(params)
  File "/home/test/web-platform-tests/tools/wptrunner/wptrunner/executors/actions.py", line 50, in __call__
    element = self.protocol.select.element_by_selector(selector)
  File "/home/test/web-platform-tests/tools/wptrunner/wptrunner/executors/protocol.py", line 291, in element_by_selector
    raise ValueError(f"Selector '{element_selector}' matches no elements")
ValueError: Selector '#\69 \6e \70 \75 \74 ' matches no elements
/shadow-dom/reference-target/tentative/label-for.html
  ERROR /shadow-dom/reference-target/tentative/label-for.html - Traceback (most recent call last):
  File "/home/test/web-platform-tests/tools/wptrunner/wptrunner/executors/executorwebdriver.py", line 1146, in run_func
    self.result = True, self.func(self.protocol, self.url, self.timeout)
  File "/home/test/web-platform-tests/tools/wptrunner/wptrunner/executors/executorwebdriver.py", line 1243, in do_testharness
    raw_results = protocol.testdriver.run(url, self.script_resume, test_window)
  File "/home/test/web-platform-tests/tools/wptrunner/wptrunner/executors/executorwebdriver.py", line 711, in run
    done, rv = handler(test_driver_message)
  File "/home/test/web-platform-tests/tools/wptrunner/wptrunner/executors/base.py", line 802, in __call__
    return callback(url, payload)
  File "/home/test/web-platform-tests/tools/wptrunner/wptrunner/executors/base.py", line 820, in process_action
    result = action_handler(params)
  File "/home/test/web-platform-tests/tools/wptrunner/wptrunner/executors/actions.py", line 50, in __call__
    element = self.protocol.select.element_by_selector(selector)
  File "/home/test/web-platform-tests/tools/wptrunner/wptrunner/executors/protocol.py", line 291, in element_by_selector
    raise ValueError(f"Selector '{element_selector}' matches no elements")
ValueError: Selector '#\69 \6e \70 \75 \74 \31 ' matches no elements
 0:44.62 INFO Got 2 unexpected results, with 0 unexpected passes
 0:44.62 wptserve INFO Stopped http server on 127.0.0.1:8000
 0:44.63 wptserve INFO Stopped http server on 127.0.0.1:8002
 0:44.64 wptserve INFO Stopped http server on 127.0.0.1:8001
 0:44.64 wptserve INFO Stopped http server on 127.0.0.1:8003
 0:44.64 wptserve INFO Stopped http server on 127.0.0.1:8444
 0:44.64 wptserve INFO Stopped http server on 127.0.0.1:8443
 0:44.64 wptserve INFO Stopped http server on 127.0.0.1:8445
 0:44.64 wptserve INFO Stopped http server on 127.0.0.1:8446
 0:44.65 wptserve INFO Stopped http server on 127.0.0.1:9000
 0:44.65 wptserve INFO Stopped WebTransport over HTTP/3 server on 127.0.0.1:11000
 0:44.84 wptserve INFO Close on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8889))
 0:44.85 wptserve INFO Close on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8888))
 0:44.88 INFO Removed font: Ahem.ttf
 0:44.90 INFO Closing logging queue
 0:44.90 INFO queue closed
 0:44.90 INFO Tolerating 2 unexpected results
[taskcluster 2026-01-08 09:15:24.755Z] === Task Finished ===
[taskcluster 2026-01-08 09:15:25.740Z] Successful task run with exit code: 0 completed in 129.676 seconds
View more details on Community-TC Integration