build corefx on mac 2050530

gistfile1.txt

Restoring NuGet.exe...
Restoring MSBuild...
Attempting to resolve dependency 'Microsoft.Tpl.Dataflow (≥ 4.5.24)'.
Installing 'Microsoft.Tpl.Dataflow 4.5.24'.
Successfully installed 'Microsoft.Tpl.Dataflow 4.5.24'.
Installing 'Microsoft.Build.Mono.Debug 14.1.0.0-prerelease'.
Successfully installed 'Microsoft.Build.Mono.Debug 14.1.0.0-prerelease'.
  Restoring build tools...
  System.IO.InvalidDataException: Unable to read package from path 'Microsoft.Net.ToolsetCompilers.1.0.0-rc3-20150510-01.nupkg'. ---> System.IO.FileFormatException: The specified archive is invalid.
    at System.IO.Packaging.Package.OpenCore (System.IO.Stream stream, FileMode packageMode, FileAccess packageAccess, Boolean ownsStream) <0x1055e4fd0 + 0x001df> in <filename unknown>:0 
    at System.IO.Packaging.Package.Open (System.IO.Stream stream, FileMode packageMode, FileAccess packageAccess, Boolean ownsStream) <0x1055e4f90 + 0x00028> in <filename unknown>:0 
    at System.IO.Packaging.Package.Open (System.IO.Stream stream, FileMode packageMode, FileAccess packageAccess) <0x1055e4f50 + 0x00020> in <filename unknown>:0 
    at System.IO.Packaging.Package.Open (System.IO.Stream stream, FileMode packageMode) <0x1055e4f00 + 0x00036> in <filename unknown>:0 
    at System.IO.Packaging.Package.Open (System.IO.Stream stream) <0x1055e4a20 + 0x00019> in <filename unknown>:0 
    at NuGet.OptimizedZipPackage.EnsureManifest () <0x1055e47d0 + 0x00060> in <filename unknown>:0 
    at NuGet.OptimizedZipPackage..ctor (IFileSystem fileSystem, System.String packagePath) <0x1055e45c0 + 0x00124> in <filename unknown>:0 
    at NuGet.LocalPackageRepository.OpenPackage (System.String path) <0x1055e4090 + 0x000e8> in <filename unknown>:0 
    --- End of inner exception stack trace ---
    at NuGet.LocalPackageRepository.OpenPackage (System.String path) <0x1055e4090 + 0x001e5> in <filename unknown>:0 
    at NuGet.LocalPackageRepository.GetPackage (System.Func`2 openPackage, System.String path) <0x104efad80 + 0x000d4> in <filename unknown>:0 
    at NuGet.LocalPackageRepository+<>c__DisplayClass13.<FindPackage>b__f (System.String path) <0x1053e0e10 + 0x0002a> in <filename unknown>:0 
    at System.Linq.Enumerable+WhereSelectEnumerableIterator`2[TSource,TResult].MoveNext () <0x100bd6870 + 0x00148> in <filename unknown>:0 
    at System.Linq.Enumerable+WhereSelectEnumerableIterator`2[TSource,TResult].MoveNext () <0x100bd6870 + 0x001b5> in <filename unknown>:0 
    at System.Linq.Enumerable.FirstOrDefault[TSource] (IEnumerable`1 source) <0x100bea8c0 + 0x000df> in <filename unknown>:0 
    at NuGet.LocalPackageRepository.FindPackage (System.Func`2 openPackage, System.String packageId, NuGet.SemanticVersion version) <0x1053e0710 + 0x003f9> in <filename unknown>:0 
    at NuGet.LocalPackageRepository.FindPackage (System.String packageId, NuGet.SemanticVersion version) <0x1053e0520 + 0x000f6> in <filename unknown>:0 
    at NuGet.PackageRepositoryExtensions.FindPackage (IPackageRepository repository, System.String packageId, NuGet.SemanticVersion version, IPackageConstraintProvider constraintProvider, Boolean allowPrereleaseVersions, Boolean allowUnlisted) <0x1053dfd20 + 0x0033e> in <filename unknown>:0 
    at NuGet.PackageRepositoryExtensions.FindPackage (IPackageRepository repository, System.String packageId, NuGet.SemanticVersion version) <0x1053dfc00 + 0x00048> in <filename unknown>:0 
    at NuGet.PriorityPackageRepository.FindPackage (System.String packageId, NuGet.SemanticVersion version) <0x1053e0470 + 0x00036> in <filename unknown>:0 
    at NuGet.PackageRepositoryExtensions.FindPackage (IPackageRepository repository, System.String packageId, NuGet.SemanticVersion version, IPackageConstraintProvider constraintProvider, Boolean allowPrereleaseVersions, Boolean allowUnlisted) <0x1053dfd20 + 0x0033e> in <filename unknown>:0 
    at NuGet.PackageRepositoryExtensions.FindPackage (IPackageRepository repository, System.String packageId, NuGet.SemanticVersion version) <0x1053dfc00 + 0x00048> in <filename unknown>:0 
    at NuGet.PackageHelper.ResolvePackage (IPackageRepository repository, System.String packageId, NuGet.SemanticVersion version) <0x1053df9a0 + 0x00091> in <filename unknown>:0 
    at NuGet.Commands.InstallCommand.RestorePackage (IFileSystem fileSystem, System.String packageId, NuGet.SemanticVersion version, Boolean packageRestoreConsent, System.Collections.Generic.List`1 satellitePackages) <0x1053d7f40 + 0x001af> in <filename unknown>:0 
    at NuGet.Commands.InstallCommand.ExecuteInParallel (IFileSystem fileSystem, ICollection`1 packageReferences) <0x10534ba70 + 0x002e2> in <filename unknown>:0 
    at NuGet.Commands.InstallCommand.InstallPackagesFromConfigFile (IFileSystem fileSystem, NuGet.PackageReferenceFile configFile) <0x104ef06d0 + 0x001a2> in <filename unknown>:0 
    at NuGet.Commands.InstallCommand.ExecuteCommand () <0x104eede30 + 0x00119> in <filename unknown>:0 
    at NuGet.Commands.Command.Execute () <0x104ed3230 + 0x003b4> in <filename unknown>:0 
    at NuGet.Program.Main (System.String[] args) <0x100a87aa0 + 0x00716> in <filename unknown>:0 
/git/dotnet/corefx/dir.targets(88,5): error MSB3073: The command "mono "/git/dotnet/corefx/packages/NuGet.exe" install -OutputDirectory "/git/dotnet/corefx/packages" -ConfigFile "/git/dotnet/corefx/src/NuGet.Config" -Verbosity detailed "/git/dotnet/corefx/src/.nuget/packages.Unix.config"" exited with code 1. [/git/dotnet/corefx/build.proj]

    0 Warning(s)
    1 Error(s)

Time Elapsed 00:00:01.86
Build Exit Code = 1

@cnblogs-dudu Could you expand on how you solve this particular error, we are also trying to solve this

System.IO.InvalidDataException: Unable to read package from path...