[ci-scan] Test failure: Microsoft.Extensions.Hosting.Tests.HostTests.CreateDefaultBuilder_RegistersEventSourceLogger on Apple Na [Content truncated due to length]

[github-actions]

Build Information

Build: https://dev.azure.com/dnceng-public/public/_build/results?buildId=1494308
Build error leg or test failing: iossimulator-arm64 Release AllSubsets_NativeAOT - Microsoft.Extensions.Hosting.Unit.Tests

Error Details

On the Apple NativeAOT library-test legs (iossimulator / maccatalyst AllSubsets_NativeAOT), HostTests.CreateDefaultBuilder_RegistersEventSourceLogger fails its Assert.Contains check: the expected EventSourceLogger provider is not present among the registered logging providers under NativeAOT.

[FAIL] Microsoft.Extensions.Hosting.Tests.HostTests.CreateDefaultBuilder_RegistersEventSourceLogger
Assert.Contains() Failure: Filter not matched in collection

The harness runs and this individual test fails, so it is distinct from the harness-startup crash tracked by #130219 (mono_ios_set_summary MarshalDirectiveException on the tvos device leg). NativeAOT library tests on Apple mobile were newly enabled by #125437 (merged 2026-07-02).

Observed on source build 1494308 (State=Failed) and again on follow-up build 1494829; reproduces across the iossimulator and maccatalyst NativeAOT legs.

Related: #130219

Error Message

{
  "ErrorMessage": [
    "[FAIL] Microsoft.Extensions.Hosting.Tests.HostTests.CreateDefaultBuilder_RegistersEventSourceLogger",
    "Assert.Contains() Failure: Filter not matched in collection"
  ],
  "ErrorPattern": "",
  "BuildRetry": false,
  "ExcludeConsoleLog": false
}

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Generated by CI Outer-Loop Failure Scanner · ● 14.3M · ◷

Report

Build	Repository	Test	Pull Request
1496784	dotnet/runtime	Microsoft.Extensions.Hosting.Unit.Tests.WorkItemExecution	#130292

Summary

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