[taskcluster 2025-03-07 23:20:44.678Z] Task ID: FGXI5LDsSH2gXXv0FKsqZQ
[taskcluster 2025-03-07 23:20:44.678Z] Worker ID: 1890832451499377102
[taskcluster 2025-03-07 23:20:44.678Z] Worker Group: us-east1-b
[taskcluster 2025-03-07 23:20:44.678Z] Worker Node Type: projects/757942385826/machineTypes/n2-standard-4
[taskcluster 2025-03-07 23:20:44.678Z] Worker Pool: proj-wpt/ci
[taskcluster 2025-03-07 23:20:44.678Z] Worker Version: 46.1.0
[taskcluster 2025-03-07 23:20:44.678Z] Public IP: 35.231.4.164
[taskcluster 2025-03-07 23:20:44.678Z] Hostname: proj-wpt-ci-a-drng0ero6qhs4zpo-yuw

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Setting default value
Failed to read: session.screen0.titlebar.right
Setting default value
 0:26.86 pid:2097 [1741389812.973][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.
 0:26.87 pid:2097 [2114:2202:0307/232332.985047:ERROR:dbus/object_proxy.cc:589] Failed to call method: org.freedesktop.DBus.Properties.Get: object_path= /org/freedesktop/UPower: org.freedesktop.DBus.Error.ServiceUnknown: The name org.freedesktop.UPower was not provided by any .service files
 0:26.87 pid:2097 [2114:2202:0307/232332.985062:WARNING:dbus/property.cc:149] DaemonVersion: GetAndBlock: failed.
 0:26.87 pid:2097 [2114:2202:0307/232332.985220:ERROR:dbus/object_proxy.cc:589] Failed to call method: org.freedesktop.UPower.GetDisplayDevice: object_path= /org/freedesktop/UPower: org.freedesktop.DBus.Error.ServiceUnknown: The name org.freedesktop.UPower was not provided by any .service files
 0:26.87 pid:2097 [2114:2202:0307/232332.985429:ERROR:dbus/object_proxy.cc:589] Failed to call method: org.freedesktop.UPower.EnumerateDevices: object_path= /org/freedesktop/UPower: org.freedesktop.DBus.Error.ServiceUnknown: The name org.freedesktop.UPower was not provided by any .service files
 0:26.89 pid:2097 [2114:2114:0307/232333.007758:WARNING:ui/base/idle/idle_linux.cc:110] None of the known D-Bus ScreenSaver services could be used.
 0:27.01 TEST_START: /shadow-dom/reference-target/anchor.html
 0:27.17 TEST_END: Test OK. Subtests passed 3/3. Unexpected 0
 0:27.17 TEST_START: /shadow-dom/reference-target/aria-labelledby.html
 0:27.40 TEST_END: Test OK. Subtests passed 3/3. Unexpected 0
 0:27.40 TEST_START: /shadow-dom/reference-target/commandfor.html
 0:27.60 TEST_END: Test OK. Subtests passed 3/3. Unexpected 0
 0:27.60 TEST_START: /shadow-dom/reference-target/dom-mutation.html
 0:28.09 TEST_END: Test OK. Subtests passed 7/7. Unexpected 0
 0:28.09 TEST_START: /shadow-dom/reference-target/interesttarget.tentative.html
 0:28.53 TEST_END: Test OK. Subtests passed 3/3. Unexpected 0
 0:28.53 TEST_START: /shadow-dom/reference-target/label-descendant.html
 0:28.71 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 773, in process_action
    result = action_handler(payload)

  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 286, in element_by_selector
    raise ValueError(f"Selector '{element_selector}' matches no elements")

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

 0:28.78 TEST_END: ERROR, expected OK - Traceback (most recent call last):
  File "/home/test/web-platform-tests/tools/wptrunner/wptrunner/executors/executorwebdriver.py", line 831, 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 1024, in do_testharness
    raw_results = self.run_testdriver(protocol, url, timeout)
  File "/home/test/web-platform-tests/tools/wptrunner/wptrunner/executors/executorwebdriver.py", line 953, in run_testdriver
    done, rv = handler(test_driver_message)
  File "/home/test/web-platform-tests/tools/wptrunner/wptrunner/executors/base.py", line 756, in __call__
    return callback(url, payload)
  File "/home/test/web-platform-tests/tools/wptrunner/wptrunner/executors/base.py", line 773, in process_action
    result = action_handler(payload)
  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 286, in element_by_selector
    raise ValueError(f"Selector '{element_selector}' matches no elements")
ValueError: Selector '#\69 \6e \70 \75 \74 ' matches no elements

 0:28.83 INFO Closing logging queue
 0:28.83 INFO queue closed
 0:28.89 INFO Starting WebDriver: /home/test/web-platform-tests/_venv3/bin/chrome/chromedriver --port=54559 --ignore-explicit-port --url-base=/ --enable-chrome-logs --disable-build-check
 0:28.91 INFO Got WebDriver port 39095
 0:29.00 pid:2329 Full command: /home/test/web-platform-tests/_venv3/bin/chrome/chromedriver --port=54559 --ignore-explicit-port --url-base=/ --enable-chrome-logs --disable-build-check
pid:2329 Starting ChromeDriver 136.0.7052.2 (22d328236f7050eb00e12030253f90e812c4e0d2-refs/branch-heads/7052@{#5}) on port 0
 0:29.00 pid:2329 Only local connections are allowed.
 0:29.00 pid:2329 Please see https://chromedriver.chromium.org/security-considerations for suggestions on keeping ChromeDriver safe.
 0:29.00 pid:2329 ChromeDriver was started successfully on port 39095.
 0:29.00 INFO Webdriver started successfully.
 0:29.00 INFO Starting runner
 0:29.37 pid:2329 [2346:2346:0307/232335.484775:WARNING:ui/linux/display_server_utils.cc:99] This is not a Wayland session. Falling back to X11. If you need to run Chrome on Wayland using some embedded compositor, e.g. Weston, please specify Wayland as your preferred Ozone platform, or use --ozone-platform=wayland.
 0:29.48 pid:2329 [2377:2377:0307/232335.593683:WARNING:ui/gfx/linux/gpu_memory_buffer_support_x11.cc:49] dri3 extension not supported.
 0:29.48 pid:2329 [2377:2377:0307/232335.598328:WARNING:sandbox/policy/linux/sandbox_linux.cc:415] InitializeSandbox() called with multiple threads in process gpu-process.
 0:29.57 pid:2329 [1741389815.683][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.
 0:29.58 pid:2329 [2346:2429:0307/232335.691994:ERROR:dbus/object_proxy.cc:589] Failed to call method: org.freedesktop.DBus.Properties.Get: object_path= /org/freedesktop/UPower: org.freedesktop.DBus.Error.ServiceUnknown: The name org.freedesktop.UPower was not provided by any .service files
 0:29.58 pid:2329 [2346:2429:0307/232335.692011:WARNING:dbus/property.cc:149] DaemonVersion: GetAndBlock: failed.
 0:29.58 pid:2329 [2346:2429:0307/232335.692164:ERROR:dbus/object_proxy.cc:589] Failed to call method: org.freedesktop.UPower.GetDisplayDevice: object_path= /org/freedesktop/UPower: org.freedesktop.DBus.Error.ServiceUnknown: The name org.freedesktop.UPower was not provided by any .service files
 0:29.58 pid:2329 [2346:2429:0307/232335.692315:ERROR:dbus/object_proxy.cc:589] Failed to call method: org.freedesktop.UPower.EnumerateDevices: object_path= /org/freedesktop/UPower: org.freedesktop.DBus.Error.ServiceUnknown: The name org.freedesktop.UPower was not provided by any .service files
 0:29.66 pid:2329 [2346:2346:0307/232335.773344:WARNING:ui/base/idle/idle_linux.cc:110] None of the known D-Bus ScreenSaver services could be used.
 0:29.77 TEST_START: /shadow-dom/reference-target/label-for.html
 0:29.93 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 773, in process_action
    result = action_handler(payload)

  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 286, in element_by_selector
    raise ValueError(f"Selector '{element_selector}' matches no elements")

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

 0:29.95 pid:2329 [2377:2377:0307/232336.069356:ERROR:gpu/command_buffer/service/shared_image/shared_image_manager.cc:401] SharedImageManager::ProduceSkia: Trying to Produce a Skia representation from a non-existent mailbox.
 0:30.00 TEST_END: ERROR, expected OK - Traceback (most recent call last):
  File "/home/test/web-platform-tests/tools/wptrunner/wptrunner/executors/executorwebdriver.py", line 831, 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 1024, in do_testharness
    raw_results = self.run_testdriver(protocol, url, timeout)
  File "/home/test/web-platform-tests/tools/wptrunner/wptrunner/executors/executorwebdriver.py", line 953, in run_testdriver
    done, rv = handler(test_driver_message)
  File "/home/test/web-platform-tests/tools/wptrunner/wptrunner/executors/base.py", line 756, in __call__
    return callback(url, payload)
  File "/home/test/web-platform-tests/tools/wptrunner/wptrunner/executors/base.py", line 773, in process_action
    result = action_handler(payload)
  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 286, in element_by_selector
    raise ValueError(f"Selector '{element_selector}' matches no elements")
ValueError: Selector '#\69 \6e \70 \75 \74 \31 ' matches no elements

 0:30.05 INFO Closing logging queue
 0:30.05 INFO queue closed
 0:30.11 INFO Starting WebDriver: /home/test/web-platform-tests/_venv3/bin/chrome/chromedriver --port=60327 --ignore-explicit-port --url-base=/ --enable-chrome-logs --disable-build-check
 0:30.13 INFO Got WebDriver port 46859
 0:30.23 pid:2473 Full command: /home/test/web-platform-tests/_venv3/bin/chrome/chromedriver --port=60327 --ignore-explicit-port --url-base=/ --enable-chrome-logs --disable-build-check
pid:2473 Starting ChromeDriver 136.0.7052.2 (22d328236f7050eb00e12030253f90e812c4e0d2-refs/branch-heads/7052@{#5}) on port 0
 0:30.23 pid:2473 Only local connections are allowed.
 0:30.23 pid:2473 Please see https://chromedriver.chromium.org/security-considerations for suggestions on keeping ChromeDriver safe.
 0:30.23 pid:2473 ChromeDriver was started successfully on port 46859.
 0:30.23 INFO Webdriver started successfully.
 0:30.23 INFO Starting runner
 0:30.59 pid:2473 [2490:2490:0307/232336.706005:WARNING:ui/linux/display_server_utils.cc:99] This is not a Wayland session. Falling back to X11. If you need to run Chrome on Wayland using some embedded compositor, e.g. Weston, please specify Wayland as your preferred Ozone platform, or use --ozone-platform=wayland.
 0:30.70 pid:2473 [2522:2522:0307/232336.818623:WARNING:ui/gfx/linux/gpu_memory_buffer_support_x11.cc:49] dri3 extension not supported.
 0:30.71 pid:2473 [2522:2522:0307/232336.825955:WARNING:sandbox/policy/linux/sandbox_linux.cc:415] InitializeSandbox() called with multiple threads in process gpu-process.
 0:30.79 pid:2473 [1741389816.906][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.
 0:30.80 pid:2473 [2490:2572:0307/232336.917608:ERROR:dbus/object_proxy.cc:589] Failed to call method: org.freedesktop.DBus.Properties.Get: object_path= /org/freedesktop/UPower: org.freedesktop.DBus.Error.ServiceUnknown: The name org.freedesktop.UPower was not provided by any .service files
 0:30.80 pid:2473 [2490:2572:0307/232336.917624:WARNING:dbus/property.cc:149] DaemonVersion: GetAndBlock: failed.
 0:30.80 pid:2473 [2490:2572:0307/232336.917832:ERROR:dbus/object_proxy.cc:589] Failed to call method: org.freedesktop.UPower.GetDisplayDevice: object_path= /org/freedesktop/UPower: org.freedesktop.DBus.Error.ServiceUnknown: The name org.freedesktop.UPower was not provided by any .service files
 0:30.80 pid:2473 [2490:2572:0307/232336.918151:ERROR:dbus/object_proxy.cc:589] Failed to call method: org.freedesktop.UPower.EnumerateDevices: object_path= /org/freedesktop/UPower: org.freedesktop.DBus.Error.ServiceUnknown: The name org.freedesktop.UPower was not provided by any .service files
 0:30.83 pid:2473 [2490:2490:0307/232336.943774:WARNING:ui/base/idle/idle_linux.cc:110] None of the known D-Bus ScreenSaver services could be used.
 0:30.93 TEST_START: /shadow-dom/reference-target/popovertarget.html
 0:31.06 pid:2473 [2522:2522:0307/232337.178592:ERROR:gpu/command_buffer/service/shared_image/shared_image_manager.cc:401] SharedImageManager::ProduceSkia: Trying to Produce a Skia representation from a non-existent mailbox.
 0:31.06 pid:2473 [2522:2522:0307/232337.180754:ERROR:gpu/command_buffer/service/shared_image/shared_image_manager.cc:401] SharedImageManager::ProduceSkia: Trying to Produce a Skia representation from a non-existent mailbox.
 0:31.10 TEST_END: Test OK. Subtests passed 3/3. Unexpected 0
 0:31.10 TEST_START: /shadow-dom/reference-target/property-reflection.html
 0:31.88 TEST_END: Test OK. Subtests passed 4771/4771. Unexpected 0
 0:31.88 TEST_START: /shadow-dom/reference-target/reference-target-basics.html
 0:32.03 TEST_END: Test OK. Subtests passed 4/4. Unexpected 0
 0:32.03 INFO No more tests
 0:32.09 INFO Closing logging queue
 0:32.09 INFO queue closed
 0:32.15 SUITE_END

web-platform-test
~~~~~~~~~~~~~~~~~
Ran 4807 checks (4797 subtests, 10 tests)
Expected results: 4805
Unexpected results: 2
  test: 2 (2 error)

Unexpected Results
------------------
/shadow-dom/reference-target/label-descendant.html
  ERROR /shadow-dom/reference-target/label-descendant.html - Traceback (most recent call last):
  File "/home/test/web-platform-tests/tools/wptrunner/wptrunner/executors/executorwebdriver.py", line 831, 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 1024, in do_testharness
    raw_results = self.run_testdriver(protocol, url, timeout)
  File "/home/test/web-platform-tests/tools/wptrunner/wptrunner/executors/executorwebdriver.py", line 953, in run_testdriver
    done, rv = handler(test_driver_message)
  File "/home/test/web-platform-tests/tools/wptrunner/wptrunner/executors/base.py", line 756, in __call__
    return callback(url, payload)
  File "/home/test/web-platform-tests/tools/wptrunner/wptrunner/executors/base.py", line 773, in process_action
    result = action_handler(payload)
  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 286, 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/label-for.html
  ERROR /shadow-dom/reference-target/label-for.html - Traceback (most recent call last):
  File "/home/test/web-platform-tests/tools/wptrunner/wptrunner/executors/executorwebdriver.py", line 831, 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 1024, in do_testharness
    raw_results = self.run_testdriver(protocol, url, timeout)
  File "/home/test/web-platform-tests/tools/wptrunner/wptrunner/executors/executorwebdriver.py", line 953, in run_testdriver
    done, rv = handler(test_driver_message)
  File "/home/test/web-platform-tests/tools/wptrunner/wptrunner/executors/base.py", line 756, in __call__
    return callback(url, payload)
  File "/home/test/web-platform-tests/tools/wptrunner/wptrunner/executors/base.py", line 773, in process_action
    result = action_handler(payload)
  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 286, in element_by_selector
    raise ValueError(f"Selector '{element_selector}' matches no elements")
ValueError: Selector '#\69 \6e \70 \75 \74 \31 ' matches no elements
 0:32.16 INFO Got 2 unexpected results, with 0 unexpected passes
 0:32.16 wptserve INFO Stopped WebTransport over HTTP/3 server on 127.0.0.1:11000
 0:32.24 wptserve INFO Stopped http server on 127.0.0.1:8003
 0:32.25 wptserve INFO Stopped http server on 127.0.0.1:8446
 0:32.25 wptserve INFO Stopped http server on 127.0.0.1:8445
 0:32.25 wptserve INFO Stopped http server on 127.0.0.1:8001
 0:32.25 wptserve INFO Close on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8889))
 0:32.25 wptserve INFO Stopped http server on 127.0.0.1:8444
 0:32.25 wptserve INFO Stopped http server on 127.0.0.1:8443
 0:32.26 wptserve INFO Close on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8888))
 0:32.26 wptserve INFO Stopped http server on 127.0.0.1:8002
 0:32.26 wptserve INFO Stopped http server on 127.0.0.1:9000
 0:32.44 wptserve INFO Stopped http server on 127.0.0.1:8000
 0:32.48 INFO Removed font: Ahem.ttf
 0:32.50 INFO Closing logging queue
 0:32.50 INFO queue closed
 0:32.50 INFO Tolerating 2 unexpected results
[taskcluster 2025-03-07 23:23:43.757Z] === Task Finished ===
[taskcluster 2025-03-07 23:23:44.819Z] Successful task run with exit code: 0 completed in 180.143 seconds