WebKit export of https://bugs.webkit.org/show_bug.cgi?id=319527 - #62136
Merged
Community-TC Integration / wpt-firefox-nightly-stability
succeeded
Aug 22, 2026 in 4m 13s
Community-TC (pull_request)
Verify that all tests affected by a pull request are stable when executed in firefox.
Details
View task in Taskcluster | View logs in Taskcluster | View task group in Taskcluster
Task Status
Started: 2026-08-22T05:14:42.945Z
Resolved: 2026-08-22T05:18:54.960Z
Task Execution Time: 4 minutes, 12 seconds, 15 milliseconds
Task Status: completed
Reason Resolved: completed
TaskId: KtcFRsPjSJOWkLmZ18QBuA
RunId: 0
Artifacts
- public/logs/live_backing.log
- public/logs/live.log
- public/results/checkrun.md
WPT Command: python3 ./wpt run --channel=nightly --verify --verify-no-chaos-mode --verify-repeat-loop=0 --verify-repeat-restart=10 --github-checks-text-file=/home/test/artifacts/checkrun.md --affected base_head --log-mach-level=info --log-mach=- -y --no-pause --no-restart-on-unexpected --install-fonts --verify-log-full --no-headless --binary=/home/test/build/firefox/firefox firefox
[taskcluster 2026-08-22 05:14:43.029Z] Task ID: KtcFRsPjSJOWkLmZ18QBuA
[taskcluster 2026-08-22 05:14:43.029Z] Worker ID: 1963603147459218825
[taskcluster 2026-08-22 05:14:43.029Z] Worker Group: us-east1-b
[taskcluster 2026-08-22 05:14:43.029Z] Worker Node Type: projects/757942385826/machineTypes/n2-standard-4
[taskcluster 2026-08-22 05:14:43.029Z] Worker Pool: proj-wpt/ci
[taskcluster 2026-08-22 05:14:43.029Z] Worker Version: 46.1.0
[taskcluster 2026-08-22 05:14:43.029Z] Public IP: 34.73.249.169
[taskcluster 2026-08-22 05:14:43.029Z] Hostname: proj-wpt-ci-ghg7b2detve2h5ul8czdla
[taskcluster 2026-08-22 05:14:44.010Z] === 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
...(609 lines hidden)...
pid:3605 [3605] Sandbox: CanCreateUserNamespace() clone() failure: EPERM
1:11.86 pid:3605 1787375915003 Marionette INFO Marionette enabled
1:11.98 pid:3605 1787375915115 Marionette INFO Listening on port 32819
1:13.17 pid:3605 console.error: services.settings:
1:13.17 pid:3605 Message: EmptyDatabaseError: "main/nimbus-desktop-experiments" has not been synced yet
1:13.17 pid:3605 Stack:
1:13.17 pid:3605 EmptyDatabaseError@resource://services-settings/Database.sys.mjs:19:5
1:13.17 pid:3605 list@resource://services-settings/Database.sys.mjs:96:13
1:13.66 TEST_START: /css/css-grid/alignment/grid-align-baseline-explicit-placement.html
1:13.72 pid:3605 1787375916864 Marionette INFO Testing http://web-platform.test:8000/css/css-grid/alignment/grid-align-baseline-explicit-placement.html == http://web-platform.test:8000/css/css-grid/alignment/grid-align-baseline-explicit-placement-ref.html
1:13.94 pid:3605 1787375917074 Marionette INFO No differences allowed
1:13.94 TEST_END: PASS
1:13.94 INFO No more tests
1:13.97 pid:3605 1787375917106 Marionette INFO Stopped listening on port 32819
1:14.47 INFO Browser exited with return code 0
1:14.27 INFO Closing logging queue
1:14.27 INFO queue closed
1:14.48 SUITE_END
web-platform-test
~~~~~~~~~~~~~~~~~
Ran 6 checks (6 tests)
Expected results: 6
Unexpected results: 0
OK
1:14.48 INFO Got 0 unexpected results, with 0 unexpected passes
1:14.48 INFO Repetition 7 / 10
1:14.48 SUITE_START: web-platform-test - running 1 tests
1:14.48 INFO Using 1 child processes
1:14.50 INFO Setting up ssl
1:14.51 certutil b''
1:14.53 certutil b''
1:14.54 certutil b'\nCertificate Nickname Trust Attributes\n SSL,S/MIME,JAR/XPI\n\nweb-platform-tests CT,, \n'
1:14.54 INFO Application command: /home/test/build/firefox/firefox --marionette --remote-allow-system-access about:blank -profile /tmp/tmp43g8wbml
1:14.56 INFO Starting runner
1:14.56 pid:3910 Full command: /home/test/build/firefox/firefox --marionette --remote-allow-system-access about:blank
pid:3910 [3910] Sandbox: CanCreateUserNamespace() clone() failure: EPERM
1:15.06 pid:3910 1787375918198 Marionette INFO Marionette enabled
1:15.17 pid:3910 1787375918307 Marionette INFO Listening on port 36911
1:16.33 pid:3910 console.error: services.settings:
1:16.33 pid:3910 Message: EmptyDatabaseError: "main/nimbus-desktop-experiments" has not been synced yet
1:16.33 pid:3910 Stack:
1:16.33 pid:3910 EmptyDatabaseError@resource://services-settings/Database.sys.mjs:19:5
1:16.33 pid:3910 list@resource://services-settings/Database.sys.mjs:96:13
1:16.85 TEST_START: /css/css-grid/alignment/grid-align-baseline-explicit-placement.html
1:16.90 pid:3910 1787375920043 Marionette INFO Testing http://web-platform.test:8000/css/css-grid/alignment/grid-align-baseline-explicit-placement.html == http://web-platform.test:8000/css/css-grid/alignment/grid-align-baseline-explicit-placement-ref.html
1:17.13 pid:3910 1787375920266 Marionette INFO No differences allowed
1:17.13 TEST_END: PASS
1:17.13 INFO No more tests
1:17.15 pid:3910 1787375920292 Marionette INFO Stopped listening on port 36911
1:17.66 INFO Browser exited with return code 0
1:17.46 INFO Closing logging queue
1:17.46 INFO queue closed
1:17.67 SUITE_END
web-platform-test
~~~~~~~~~~~~~~~~~
Ran 7 checks (7 tests)
Expected results: 7
Unexpected results: 0
OK
1:17.67 INFO Got 0 unexpected results, with 0 unexpected passes
1:17.67 INFO Repetition 8 / 10
1:17.67 SUITE_START: web-platform-test - running 1 tests
1:17.67 INFO Using 1 child processes
1:17.68 INFO Setting up ssl
1:17.70 certutil b''
1:17.72 certutil b''
1:17.73 certutil b'\nCertificate Nickname Trust Attributes\n SSL,S/MIME,JAR/XPI\n\nweb-platform-tests CT,, \n'
1:17.73 INFO Application command: /home/test/build/firefox/firefox --marionette --remote-allow-system-access about:blank -profile /tmp/tmpuscqr2be
1:17.75 INFO Starting runner
1:17.75 pid:4220 Full command: /home/test/build/firefox/firefox --marionette --remote-allow-system-access about:blank
pid:4220 [4220] Sandbox: CanCreateUserNamespace() clone() failure: EPERM
1:18.25 pid:4220 1787375921388 Marionette INFO Marionette enabled
1:18.36 pid:4220 1787375921502 Marionette INFO Listening on port 57725
1:19.58 pid:4220 console.error: services.settings:
1:19.58 pid:4220 Message: EmptyDatabaseError: "main/nimbus-desktop-experiments" has not been synced yet
1:19.58 pid:4220 Stack:
1:19.58 pid:4220 EmptyDatabaseError@resource://services-settings/Database.sys.mjs:19:5
1:19.58 pid:4220 list@resource://services-settings/Database.sys.mjs:96:13
1:20.05 TEST_START: /css/css-grid/alignment/grid-align-baseline-explicit-placement.html
1:20.11 pid:4220 1787375923247 Marionette INFO Testing http://web-platform.test:8000/css/css-grid/alignment/grid-align-baseline-explicit-placement.html == http://web-platform.test:8000/css/css-grid/alignment/grid-align-baseline-explicit-placement-ref.html
1:20.33 pid:4220 1787375923469 Marionette INFO No differences allowed
1:20.33 TEST_END: PASS
1:20.33 INFO No more tests
1:20.36 pid:4220 1787375923494 Marionette INFO Stopped listening on port 57725
1:20.88 INFO Browser exited with return code 0
1:20.67 INFO Closing logging queue
1:20.67 INFO queue closed
1:20.89 SUITE_END
web-platform-test
~~~~~~~~~~~~~~~~~
Ran 8 checks (8 tests)
Expected results: 8
Unexpected results: 0
OK
1:20.89 INFO Got 0 unexpected results, with 0 unexpected passes
1:20.89 INFO Repetition 9 / 10
1:20.89 SUITE_START: web-platform-test - running 1 tests
1:20.89 INFO Using 1 child processes
1:20.91 INFO Setting up ssl
1:20.93 certutil b''
1:20.95 certutil b''
1:20.96 certutil b'\nCertificate Nickname Trust Attributes\n SSL,S/MIME,JAR/XPI\n\nweb-platform-tests CT,, \n'
1:20.96 INFO Application command: /home/test/build/firefox/firefox --marionette --remote-allow-system-access about:blank -profile /tmp/tmpv6cahkfg
1:20.98 INFO Starting runner
1:20.98 pid:4528 Full command: /home/test/build/firefox/firefox --marionette --remote-allow-system-access about:blank
pid:4528 [4528] Sandbox: CanCreateUserNamespace() clone() failure: EPERM
mem avail: 14129 of 15806 MiB (89.39%), swap free: 0 of 0 MiB ( 0.00%)
1:21.53 pid:4528 1787375924666 Marionette INFO Marionette enabled
1:21.64 pid:4528 1787375924778 Marionette INFO Listening on port 43161
1:22.87 pid:4528 console.error: services.settings:
1:22.87 pid:4528 Message: EmptyDatabaseError: "main/nimbus-desktop-experiments" has not been synced yet
1:22.87 pid:4528 Stack:
1:22.87 pid:4528 EmptyDatabaseError@resource://services-settings/Database.sys.mjs:19:5
1:22.87 pid:4528 list@resource://services-settings/Database.sys.mjs:96:13
1:23.32 TEST_START: /css/css-grid/alignment/grid-align-baseline-explicit-placement.html
1:23.41 pid:4528 1787375926549 Marionette INFO Testing http://web-platform.test:8000/css/css-grid/alignment/grid-align-baseline-explicit-placement.html == http://web-platform.test:8000/css/css-grid/alignment/grid-align-baseline-explicit-placement-ref.html
1:23.64 pid:4528 1787375926775 Marionette INFO No differences allowed
1:23.64 TEST_END: PASS
1:23.64 INFO No more tests
1:23.66 pid:4528 1787375926798 Marionette INFO Stopped listening on port 43161
1:24.14 INFO Browser exited with return code 0
1:23.95 INFO Closing logging queue
1:23.96 INFO queue closed
1:24.16 SUITE_END
web-platform-test
~~~~~~~~~~~~~~~~~
Ran 9 checks (9 tests)
Expected results: 9
Unexpected results: 0
OK
1:24.16 INFO Got 0 unexpected results, with 0 unexpected passes
1:24.16 INFO Repetition 10 / 10
1:24.16 SUITE_START: web-platform-test - running 1 tests
1:24.16 INFO Using 1 child processes
1:24.17 INFO Setting up ssl
1:24.19 certutil b''
1:24.21 certutil b''
1:24.22 certutil b'\nCertificate Nickname Trust Attributes\n SSL,S/MIME,JAR/XPI\n\nweb-platform-tests CT,, \n'
1:24.22 INFO Application command: /home/test/build/firefox/firefox --marionette --remote-allow-system-access about:blank -profile /tmp/tmp8o32yceb
1:24.24 INFO Starting runner
1:24.24 pid:4839 Full command: /home/test/build/firefox/firefox --marionette --remote-allow-system-access about:blank
pid:4839 [4839] Sandbox: CanCreateUserNamespace() clone() failure: EPERM
1:24.77 pid:4839 1787375927907 Marionette INFO Marionette enabled
1:24.88 pid:4839 1787375928021 Marionette INFO Listening on port 56615
1:26.02 pid:4839 console.error: services.settings:
1:26.03 pid:4839 Message: EmptyDatabaseError: "main/nimbus-desktop-experiments" has not been synced yet
1:26.03 pid:4839 Stack:
1:26.03 pid:4839 EmptyDatabaseError@resource://services-settings/Database.sys.mjs:19:5
1:26.03 pid:4839 list@resource://services-settings/Database.sys.mjs:96:13
1:26.54 TEST_START: /css/css-grid/alignment/grid-align-baseline-explicit-placement.html
1:26.60 pid:4839 1787375929735 Marionette INFO Testing http://web-platform.test:8000/css/css-grid/alignment/grid-align-baseline-explicit-placement.html == http://web-platform.test:8000/css/css-grid/alignment/grid-align-baseline-explicit-placement-ref.html
1:26.80 pid:4839 1787375929941 Marionette INFO No differences allowed
1:26.80 TEST_END: PASS
1:26.80 INFO No more tests
1:26.83 pid:4839 1787375929968 Marionette INFO Stopped listening on port 56615
1:27.33 INFO Browser exited with return code 0
1:27.14 INFO Closing logging queue
1:27.14 INFO queue closed
1:27.34 SUITE_END
web-platform-test
~~~~~~~~~~~~~~~~~
Ran 10 checks (10 tests)
Expected results: 10
Unexpected results: 0
OK
1:27.34 INFO Got 0 unexpected results, with 0 unexpected passes
1:27.35 wptserve INFO Stopped http server on 127.0.0.1:8000
1:27.35 wptserve INFO Stopped http server on 127.0.0.1:8001
1:27.36 wptserve INFO Stopped http server on 127.0.0.1:8002
1:27.36 wptserve INFO Stopped http server on 127.0.0.1:8003
1:27.36 wptserve INFO Stopped http server on 127.0.0.1:8443
1:27.36 wptserve INFO Stopped http server on 127.0.0.1:8444
1:27.36 wptserve INFO Stopped http server on 127.0.0.1:8445
1:27.36 wptserve INFO Stopped http server on 127.0.0.1:8446
1:27.36 wptserve INFO Stopped http server on 127.0.0.1:9000
1:27.37 wptserve INFO Stopped WebTransport over HTTP/3 server on 127.0.0.1:11000
1:27.39 wptserve INFO Close on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8889))
1:27.40 wptserve INFO Close on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8888))
1:27.51 INFO Removed font: Ahem.ttf
1:27.54 INFO Closing logging queue
1:27.54 INFO queue closed
1:27.55 INFO ::: Ran 10 of expected 10 iterations.
1:27.55 INFO ## All results ##
1:27.55 INFO ### /css/css-grid/alignment/grid-align-baseline-explicit-placement.html ###
1:27.55 INFO | Subtest | Results | Messages |
1:27.55 INFO |---------|---------|----------|
1:27.55 INFO | | PASS | |
1:27.55 INFO
1:27.55 INFO ::: Running tests in a loop with restarts 10 times : PASS
1:27.55 INFO :::
1:27.55 INFO ::: Test verification PASS
1:27.55 INFO :::
[taskcluster 2026-08-22 05:18:53.518Z] === Task Finished ===
[taskcluster 2026-08-22 05:18:53.952Z] Successful task run with exit code: 0 completed in 250.924 seconds
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