Containers Test Issue: Unknown command docker buildx

[nagilson]

Build Information

Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1167662
Build error leg or test failing: Microsoft.NET.Build.Containers.IntegrationTests.EndToEndTests.CanPackageForAllSupportedContainerRIDs
Pull request: #51150

Error Message

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

{
  "ErrorMessage": "unknown command: docker buildx",
  "ErrorPattern": "",
  "BuildRetry": false,
  "ExcludeConsoleLog": false
}

Known issue validation

Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1167662
Error message validated: [unknown command: docker buildx]
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 10/7/2025 10:23:38 PM UTC

Report

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
0	0	0