src/libraries/Common/src/System/Net/Http/aspnetcore/Http3/Helpers/VariableLengthIntegerHelper.cs(87,40): error CS0246: (NETCORE_ENGINEERING_TELEMETRY=Build) The type or namespace name 'SequenceReader<>' could not be found (are you missing a using directive or an assembly reference?)

src/libraries/Common/src/System/Net/Http/aspnetcore/Http3/Helpers/VariableLengthIntegerHelper.cs(87,40): error CS0246: (NETCORE_ENGINEERING_TELEMETRY=Build) The type or namespace name 'SequenceReader<>' could not be found (are you missing a using directive or an assembly reference?)

.packages/microsoft.dotnet.arcade.sdk/9.0.0-beta.24229.1/tools/SourceBuild/SourceBuildArcadeBuild.targets(130,5): error MSB3073: The command "./build.sh  --arch x64 --configuration Release --allconfigurations --verbosity minimal --nodereuse false --warnAsError false --outputrid linux-x64 /p:AdditionalRuntimeIdentifierParent= /p:DotNetBuildRepo=true /p:ContinuousIntegrationBuild=true /p:GitHubRepositoryName=runtime /p:DotNetBuildInnerRepo=true /p:DotNetBuildSourceOnly=true /p:ArcadeInnerBuildFromSource=true /p:DotNetBuildFromSource=true /p:RepoRoot="/__w/1/s/artifacts/sb/src/" /p:ArtifactsDir="/__w/1/s/artifacts/sb/src/artifacts/" /bl:"/__w/1/s/artifacts/sb/src/artifacts/log/Release/source-inner-build.binlog" /p:ContinuousIntegrationBuild=true /p:SourceBuildOutputDir="/__w/1/s/artifacts/sb/" /p:FullAssemblySigningSupported=false /p:DotNetPublishUsingPipelines=true /p:GitHubRepositoryName=runtime" exited with code 1.

Bash exited with code '1'.