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ILTrim.Tests failure in linux-x64 checked CLR_Tools_Tests #126922

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ILTrim.Tests failure in linux-x64 checked CLR_Tools_Tests#126922
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Known Build ErrorUse this to report build issues in the .NET Helix tabarea-Infrastructure-coreclrOnly use for closed issuesblocking-clean-ciBlocking PR or rolling runs of 'runtime' or 'runtime-extra-platforms'

Description

@tannergooding
tannergooding
opened on Apr 14, 2026

Build Information

Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1378637&view=logs&j=bc555b48-a433-5520-02cb-885a268ad262
Build error leg or test failing: Build / linux-x64 checked CLR_Tools_Tests / Build product
Pull request: #126865

Error Message

Fill the error message using step by step known issues guidance.

{
  "ErrorMessage": "",
  "ErrorPattern": "Tests failed.*ILTrim\\.Tests",
  "BuildRetry": false,
  "ExcludeConsoleLog": false
}

Known issue validation

Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1378637
Error message validated: [Tests failed.*ILTrim\.Tests]
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 4/14/2026 11:41:06 PM UTC

Report

Build Definition Step Name Console log Pull Request
1379295 dotnet/runtime Build product Log #126928
1379256 dotnet/runtime Build product Log #126131
1379217 dotnet/runtime Build product Log #126910
1379191 dotnet/runtime Build product Log #126901
1379178 dotnet/runtime Build product Log #126921
1379163 dotnet/runtime Build product Log #126920
1379160 dotnet/runtime Build product Log #126544
1378644 dotnet/runtime Build product Log #125673
1379140 dotnet/runtime Build product Log #126918
1379121 dotnet/runtime Build product Log #126909
1379110 dotnet/runtime Build product Log #126904
1379100 dotnet/runtime Build product Log #126881
1379095 dotnet/runtime Build product Log #126916
1379083 dotnet/runtime Build product Log #126915
1379056 dotnet/runtime Build product Log #126911
1379004 dotnet/runtime Build product Log #125396
1378951 dotnet/runtime Build product Log #126838
1378950 dotnet/runtime Build product Log #126906
1378958 dotnet/runtime Build product Log #126907
1378906 dotnet/runtime Build product Log #126899
1378877 dotnet/runtime Build product Log #126875
1378867 dotnet/runtime Build product Log #126902
1378837 dotnet/runtime Build product Log
1378792 dotnet/runtime Build product Log #126669
1378747 dotnet/runtime Build product Log #126752
1378728 dotnet/runtime Build product Log #126519
1378713 dotnet/runtime Build product Log #126585
1378710 dotnet/runtime Build product Log #126091
1378695 dotnet/runtime Build product Log #126112
1378651 dotnet/runtime Build product Log #126895
1378637 dotnet/runtime Build product Log #126865
1378629 dotnet/runtime Build product Log #123040

Summary

24-Hour Hit Count 7-Day Hit Count 1-Month Count
32 32 32

Activity

  1. tannergooding
    added
    blocking-clean-ciBlocking PR or rolling runs of 'runtime' or 'runtime-extra-platforms'
    Known Build ErrorUse this to report build issues in the .NET Helix tab
    on Apr 14, 2026
  2. dotnet-policy-service
    added
    untriagedNew issue has not been triaged by the area owner
    on Apr 14, 2026
  3. github-actions
    added
    area-Infrastructure-coreclrOnly use for closed issues
    on Apr 14, 2026
  4. github-project-automation
    added this to Runtime Infraon Apr 14, 2026

  5. danmoseley commented on Apr 15, 2026

    @danmoseley
    danmoseley
    on Apr 15, 2026
    Contributor

    BTW how does one see the actual log for a failure like this? it's not helix

    2026-04-14T23:59:18.6902458Z   Running tests: /__w/1/s/artifacts/bin/ILTrim.Tests/x64/Checked/ILTrim.Tests.dll [net11.0|x64]
2026-04-15T00:01:15.6011836Z ##[error]VSTest(0,0): error : (NETCORE_ENGINEERING_TELEMETRY=Build) Tests failed: /__w/1/s/artifacts/TestResults/Checked/ILTrim.Tests_net11.0_x64.html [net11.0|x64]
2026-04-15T00:01:15.6012956Z VSTest : error : Tests failed: /__w/1/s/artifacts/TestResults/Checked/ILTrim.Tests_net11.0_x64.html [net11.0|x64] [/__w/1/s/src/coreclr/tools/ILTrim.Tests/ILTrim.Tests.csproj]

  6. MichalStrehovsky commented on Apr 15, 2026

    @MichalStrehovsky
    MichalStrehovsky
    on Apr 15, 2026
    Member

    BTW how does one see the actual log for a failure like this? it's not helix

    A log can be pulled down from build artifacts. We have a fix for this one in flight at #126923. Two PRs crossed streams and broke main.

  7. MichalStrehovsky commented on Apr 15, 2026

    @MichalStrehovsky
    MichalStrehovsky
    on Apr 15, 2026
    Member

    Fixed in #126923

  8. MichalStrehovsky
    closed this as completedon Apr 15, 2026
  9. github-project-automation
    moved this to Done in Runtime Infraon Apr 15, 2026
  10. dotnet-policy-service
    removed
    untriagedNew issue has not been triaged by the area owner
    on Apr 15, 2026
  11. github-actions
    locked and limited conversation to collaborators on May 15, 2026
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    Known Build ErrorUse this to report build issues in the .NET Helix tabarea-Infrastructure-coreclrOnly use for closed issuesblocking-clean-ciBlocking PR or rolling runs of 'runtime' or 'runtime-extra-platforms'

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