Is there an existing issue for this?

• I have searched the existing issues

Build information

Build: https://github.com/dotnet/aspire/actions/runs/14052035907/job/39344132216
Build error leg or test failing: Failed Aspire.Hosting.Testing.Tests.TestingBuilderTests.ArgsPropagateToAppHostConfigurationAdHocBuilder(directArgs: False)
Pull Request: #8281

Fill in the error message template

Error Message

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

{
  "ErrorMessage": "System.TimeoutException : The operation has timed out.",
  "ErrorPattern": "",
  "BuildRetry": false,
  "ExcludeConsoleLog": true
}

Other info

Looking at the raw console log it has Unhandled exception. System.IO.IOException: Failed to bind to address http://[::1]:46017: address already in use. which might be the cause for the timeout.

cc @ReubenBond

Known issue validation

Build: 🔎
Result validation: ⚠️ Validation could not be done without an Azure DevOps build URL on the issue. Please add it to the "Build: 🔎" line.
Validation performed at: 3/25/2025 6:32:23 PM UTC

Known issue validation

Build: 🔎
Result validation: ⚠️ Validation could not be done without an Azure DevOps build URL on the issue. Please add it to the "Build: 🔎" line.
Validation performed at: 3/25/2025 6:35:29 PM UTC

Report

Summary

Report

Summary