System.Linq.AsyncEnumerable type arguments cannot be inferred on windows-x86

[kotlarmilos]

Build Information

Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1368420&view=logs&j=b169c61a-3351-582a-7a20-01b4bc1e2010
Build error leg or test failing: Build / windows-x86 Release Libraries_NET481 / Build product
Pull request: #124266

Error Message

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

{
  "ErrorMessage": "The type arguments for method 'AsyncEnumerable.Join<TOuter, TInner, TKey>(IAsyncEnumerable<TOuter>, IAsyncEnumerable<TInner>, Func<TOuter, TKey>, Func<TInner, TKey>, IEqualityComparer<TKey>?)' cannot be inferred from the usage",
  "ErrorPattern": "",
  "BuildRetry": false,
  "ExcludeConsoleLog": false
}

Known issue validation

Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1368420
Error message validated: [The type arguments for method 'AsyncEnumerable.Join<TOuter, TInner, TKey>(IAsyncEnumerable<TOuter>, IAsyncEnumerable<TInner>, Func<TOuter, TKey>, Func<TInner, TKey>, IEqualityComparer<TKey>?)' cannot be inferred from the usage]
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 4/8/2026 12:48:31 PM UTC

Report

Build	Definition	Step Name	Console log	Pull Request
1368420	dotnet/runtime	Build product	Log	#124266

Summary

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

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[MichalStrehovsky]

This was fixed in #126624.

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