WebKit export of https://bugs.webkit.org/show_bug.cgi?id=321104 - #62142
Open
sammygill wants to merge 1 commit into
Open
WebKit export of https://bugs.webkit.org/show_bug.cgi?id=321104#62142sammygill wants to merge 1 commit into
sammygill wants to merge 1 commit into
Community-TC Integration / wpt-firefox-nightly-stability
succeeded
Aug 22, 2026 in 5m 31s
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: 2026-08-22T05:14:34.834Z
Resolved: 2026-08-22T05:20:05.364Z
Task Execution Time: 5 minutes, 30 seconds, 530 milliseconds
Task Status: completed
Reason Resolved: completed
TaskId: NbmHLbg3QAG9PugamISP9A
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 05:14:34.893Z] Task ID: NbmHLbg3QAG9PugamISP9A
[taskcluster 2026-08-22 05:14:34.893Z] Worker ID: 3284439886016630222
[taskcluster 2026-08-22 05:14:34.893Z] Worker Group: us-central1-b
[taskcluster 2026-08-22 05:14:34.893Z] Worker Node Type: projects/757942385826/machineTypes/n2-standard-4
[taskcluster 2026-08-22 05:14:34.893Z] Worker Pool: proj-wpt/ci
[taskcluster 2026-08-22 05:14:34.893Z] Worker Version: 46.1.0
[taskcluster 2026-08-22 05:14:34.893Z] Public IP: 34.173.166.121
[taskcluster 2026-08-22 05:14:34.893Z] Hostname: proj-wpt-ci-d80oz4xutmgjf8d1obc5pw
[taskcluster 2026-08-22 05:14:35.941Z] === 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
...(5049 lines hidden)...
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:147:5
FAIL block-start margin of a trimmed first child is still the used value - assert_equals: margin is trimmed for layout expected 1 but got 21
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:97:18
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:94:5
FAIL block-end margin of a trimmed last child is still the used value - assert_equals: margin is trimmed for layout expected 52 but got 72
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:103:18
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:100:5
FAIL percentage block-start margin of a trimmed first child resolves against the containing block - assert_equals: margin is trimmed for layout expected 1 but got 21
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:109:18
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:106:5
FAIL block-start margin that collapses through to a trimmed edge is still the used value - assert_equals: margin is trimmed for layout expected 1 but got 21
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:115:18
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:112:5
FAIL both margins of a trimmed self-collapsing last child are still the used values - assert_equals: margins are trimmed for layout expected 26 but got 40
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:122:18
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:118:5
FAIL block-start margin of a trimmed first child in vertical-lr is still the used value - assert_equals: margin is trimmed for layout expected 1 but got 21
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:130:18
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:126:5
FAIL trimmed margins of a self-collapsing last child do not grow a container that cannot collapse with its children - assert_equals: margins are trimmed for layout expected 26 but got 40
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:143:18
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:139:5
FAIL block-end margin that collapses through to a trimmed edge is still the used value - assert_equals: trimmed margin does not contribute to the container's block size expected 52 but got 72
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:151:18
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:147:5
FAIL block-start margin of a trimmed first child is still the used value - assert_equals: margin is trimmed for layout expected 1 but got 21
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:97:18
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:94:5
FAIL block-end margin of a trimmed last child is still the used value - assert_equals: margin is trimmed for layout expected 52 but got 72
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:103:18
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:100:5
FAIL percentage block-start margin of a trimmed first child resolves against the containing block - assert_equals: margin is trimmed for layout expected 1 but got 21
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:109:18
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:106:5
FAIL block-start margin that collapses through to a trimmed edge is still the used value - assert_equals: margin is trimmed for layout expected 1 but got 21
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:115:18
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:112:5
FAIL both margins of a trimmed self-collapsing last child are still the used values - assert_equals: margins are trimmed for layout expected 26 but got 40
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:122:18
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:118:5
FAIL block-start margin of a trimmed first child in vertical-lr is still the used value - assert_equals: margin is trimmed for layout expected 1 but got 21
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:130:18
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:126:5
FAIL trimmed margins of a self-collapsing last child do not grow a container that cannot collapse with its children - assert_equals: margins are trimmed for layout expected 26 but got 40
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:143:18
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:139:5
FAIL block-end margin that collapses through to a trimmed edge is still the used value - assert_equals: trimmed margin does not contribute to the container's block size expected 52 but got 72
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:151:18
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:147:5
FAIL block-start margin of a trimmed first child is still the used value - assert_equals: margin is trimmed for layout expected 1 but got 21
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:97:18
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:94:5
FAIL block-end margin of a trimmed last child is still the used value - assert_equals: margin is trimmed for layout expected 52 but got 72
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:103:18
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:100:5
FAIL percentage block-start margin of a trimmed first child resolves against the containing block - assert_equals: margin is trimmed for layout expected 1 but got 21
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:109:18
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:106:5
FAIL block-start margin that collapses through to a trimmed edge is still the used value - assert_equals: margin is trimmed for layout expected 1 but got 21
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:115:18
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:112:5
FAIL both margins of a trimmed self-collapsing last child are still the used values - assert_equals: margins are trimmed for layout expected 26 but got 40
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:122:18
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:118:5
FAIL block-start margin of a trimmed first child in vertical-lr is still the used value - assert_equals: margin is trimmed for layout expected 1 but got 21
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:130:18
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:126:5
FAIL trimmed margins of a self-collapsing last child do not grow a container that cannot collapse with its children - assert_equals: margins are trimmed for layout expected 26 but got 40
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:143:18
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:139:5
FAIL block-end margin that collapses through to a trimmed edge is still the used value - assert_equals: trimmed margin does not contribute to the container's block size expected 52 but got 72
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:151:18
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:147:5
FAIL block-start margin of a trimmed first child is still the used value - assert_equals: margin is trimmed for layout expected 1 but got 21
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:97:18
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:94:5
FAIL block-end margin of a trimmed last child is still the used value - assert_equals: margin is trimmed for layout expected 52 but got 72
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:103:18
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:100:5
FAIL percentage block-start margin of a trimmed first child resolves against the containing block - assert_equals: margin is trimmed for layout expected 1 but got 21
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:109:18
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:106:5
FAIL block-start margin that collapses through to a trimmed edge is still the used value - assert_equals: margin is trimmed for layout expected 1 but got 21
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:115:18
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:112:5
FAIL both margins of a trimmed self-collapsing last child are still the used values - assert_equals: margins are trimmed for layout expected 26 but got 40
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:122:18
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:118:5
FAIL block-start margin of a trimmed first child in vertical-lr is still the used value - assert_equals: margin is trimmed for layout expected 1 but got 21
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:130:18
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:126:5
FAIL trimmed margins of a self-collapsing last child do not grow a container that cannot collapse with its children - assert_equals: margins are trimmed for layout expected 26 but got 40
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:143:18
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:139:5
FAIL block-end margin that collapses through to a trimmed edge is still the used value - assert_equals: trimmed margin does not contribute to the container's block size expected 52 but got 72
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:151:18
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
test@http://web-platform.test:8000/resources/testharness.js:633:30
@http://web-platform.test:8000/css/css-box/margin-trim/margin-trim-computed-value.html:147:5
1:29.39 INFO Got 10 unexpected results, with 0 unexpected passes
1:29.39 wptserve INFO Stopped http server on 127.0.0.1:8001
1:29.39 wptserve INFO Stopped http server on 127.0.0.1:8000
1:29.39 wptserve INFO Stopped http server on 127.0.0.1:8002
1:29.39 wptserve INFO Stopped http server on 127.0.0.1:8003
1:29.40 wptserve INFO Stopped http server on 127.0.0.1:8444
1:29.40 wptserve INFO Stopped http server on 127.0.0.1:8443
1:29.41 wptserve INFO Stopped http server on 127.0.0.1:8445
1:29.41 wptserve INFO Stopped http server on 127.0.0.1:8446
1:29.41 wptserve INFO Stopped http server on 127.0.0.1:9000
1:29.41 wptserve INFO Stopped WebTransport over HTTP/3 server on 127.0.0.1:11000
1:29.72 wptserve INFO Close on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8889))
1:29.73 wptserve INFO Close on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8888))
1:29.77 INFO Removed font: Ahem.ttf
1:29.79 INFO Closing logging queue
1:29.79 INFO queue closed
1:29.80 INFO ::: Ran 10 of expected 10 iterations.
1:29.80 INFO ## All results ##
1:29.80 INFO ### /css/css-box/margin-trim/margin-trim-computed-value.html ###
1:29.80 INFO | Subtest | Results | Messages |
1:29.80 INFO |------------------------------------------------------------------------------------------------------------------|---------|----------------------------------------------------------------------------------------------------------|
1:29.80 INFO | | OK | |
1:29.80 INFO | `block-start margin of a trimmed first child is still the used value` | FAIL | `assert_equals: margin is trimmed for layout expected 1 but got 21` |
1:29.80 INFO | `block-end margin of a trimmed last child is still the used value` | FAIL | `assert_equals: margin is trimmed for layout expected 52 but got 72` |
1:29.80 INFO | `percentage block-start margin of a trimmed first child resolves against the containing block` | FAIL | `assert_equals: margin is trimmed for layout expected 1 but got 21` |
1:29.80 INFO | `block-start margin that collapses through to a trimmed edge is still the used value` | FAIL | `assert_equals: margin is trimmed for layout expected 1 but got 21` |
1:29.80 INFO | `both margins of a trimmed self-collapsing last child are still the used values` | FAIL | `assert_equals: margins are trimmed for layout expected 26 but got 40` |
1:29.80 INFO | `block-start margin of a trimmed first child in vertical-lr is still the used value` | FAIL | `assert_equals: margin is trimmed for layout expected 1 but got 21` |
1:29.80 INFO | `collapsed block-start margin is still the used value` | PASS | |
1:29.80 INFO | `trimmed margins of a self-collapsing last child do not grow a container that cannot collapse with its children` | FAIL | `assert_equals: margins are trimmed for layout expected 26 but got 40` |
1:29.80 INFO | `block-end margin that collapses through to a trimmed edge is still the used value` | FAIL | `assert_equals: trimmed margin does not contribute to the container's block size expected 52 but got 72` |
1:29.80 INFO
1:29.80 INFO ::: Running tests in a loop with restarts 10 times : PASS
1:29.80 INFO :::
1:29.80 INFO ::: Test verification PASS
1:29.80 INFO :::
[taskcluster 2026-08-22 05:20:03.477Z] === Task Finished ===
[taskcluster 2026-08-22 05:20:03.874Z] Successful task run with exit code: 0 completed in 328.982 seconds
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