Running: git clone --quiet --depth 1 https://github.com/dotnet/jitutils /datadisks/disk1/work/AA0C092C/t/tmp44tukziq
Running: /datadisks/disk1/work/AA0C092C/t/tmp44tukziq/bootstrap.sh
  Determining projects to restore...
  Restored /datadisks/disk1/workspace/_work/1/s/src/tasks/tasks.proj (in 10.52 sec).
  Restored /datadisks/disk1/workspace/_work/1/s/src/tasks/installer.tasks/installer.tasks.csproj (in 14.38 sec).
  installer.tasks -> /datadisks/disk1/workspace/_work/1/s/artifacts/bin/installer.tasks/Debug/net461/installer.tasks.dll
  installer.tasks -> /datadisks/disk1/workspace/_work/1/s/artifacts/bin/installer.tasks/Debug/netstandard2.0/installer.tasks.dll
  Determining projects to restore...
/datadisks/disk1/workspace/_work/1/s/eng/restore/harvestPackages.targets(12,5): error MSB4062: The "GetLastStablePackage" task could not be loaded from the assembly /home/helixbot/.nuget/packages/microsoft.dotnet.build.tasks.packaging/6.0.0-beta.21105.12/tools/netcoreapp3.1/Microsoft.DotNet.Build.Tasks.Packaging.dll. Could not load file or assembly '/home/helixbot/.nuget/packages/microsoft.dotnet.build.tasks.packaging/6.0.0-beta.21105.12/tools/netcoreapp3.1/Microsoft.DotNet.Build.Tasks.Packaging.dll'. The system cannot find the file specified. [/datadisks/disk1/workspace/_work/1/s/Build.proj]
/datadisks/disk1/workspace/_work/1/s/eng/restore/harvestPackages.targets(12,5): error MSB4062:  Confirm that the <UsingTask> declaration is correct, that the assembly and all its dependencies are available, and that the task contains a public class that implements Microsoft.Build.Framework.ITask. [/datadisks/disk1/workspace/_work/1/s/Build.proj]
ERROR: Failed to restore packages.