ILTrim.Tests failure in linux-x64 checked CLR_Tools_Tests

[tannergooding]

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

[danmoseley]

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]

[MichalStrehovsky]

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.

[MichalStrehovsky]

Fixed in #126923