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

Build	Definition	Test	Pull Request
2838159	dotnet-sdk	Microsoft.NET.Build.Containers.IntegrationTests.DockerRegistryTests.GetFromRegistry	#55195
2837394	dotnet-sdk	Microsoft.NET.Build.Containers.IntegrationTests.EndToEndTests.CanPackageForAllSupportedContainerRIDs	#54880
1199570	dotnet/sdk	Microsoft.NET.Build.Containers.IntegrationTests.EndToEndTests.CanPackageForAllSupportedContainerRIDs	#51407
1199569	dotnet/sdk	Microsoft.NET.Build.Containers.IntegrationTests.DockerRegistryTests.GetFromRegistry	#51292
1200195	dotnet/sdk	Microsoft.NET.Build.Containers.IntegrationTests.EndToEndTests.CanPackageForAllSupportedContainerRIDs	#51658
1199477	dotnet/sdk	Microsoft.NET.Build.Containers.IntegrationTests.EndToEndTests.CanPackageForAllSupportedContainerRIDs	#51407
1199336	dotnet/sdk	Microsoft.NET.Build.Containers.IntegrationTests.DockerRegistryTests.GetFromRegistry	#51618
1199029	dotnet/sdk	Microsoft.NET.Build.Containers.IntegrationTests.EndToEndTests.CanPackageForAllSupportedContainerRIDs	#51531
1199019	dotnet/sdk	Microsoft.NET.Build.Containers.IntegrationTests.EndToEndTests.CanPackageForAllSupportedContainerRIDs
1197702	dotnet/sdk	Microsoft.NET.Build.Containers.IntegrationTests.DockerRegistryTests.GetFromRegistry	#51407
1197573	dotnet/sdk	Microsoft.NET.Build.Containers.IntegrationTests.EndToEndTests.CanPackageForAllSupportedContainerRIDs
1197513	dotnet/sdk	Microsoft.NET.Build.Containers.IntegrationTests.DockerRegistryTests.GetFromRegistry	#51626
1195338	dotnet/sdk	Microsoft.NET.Build.Containers.IntegrationTests.DockerRegistryTests.GetFromRegistry	#51292
1193845	dotnet/sdk	Microsoft.NET.Build.Containers.IntegrationTests.EndToEndTests.CanPackageForAllSupportedContainerRIDs
1193459	dotnet/sdk	Microsoft.NET.Build.Containers.IntegrationTests.EndToEndTests.CanPackageForAllSupportedContainerRIDs	#51554

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
0	0	15