Делаю по инструкции со страницы:
https://github.com/dotnet/roslyn/blob/master/docs/contributing/Building,%20Debugging,%20and%20Testing%20on%20Unix.md#working-in-visual-studio-code
/github.com/roslyn/dotnet $ LANG="en-US.UTF-8" ./build.sh --restore
Tool 'dotnet-format' (version '5.0.141503') was restored. Available commands: dotnet-format
Tool 'powershell' (version '7.0.0') was restored. Available commands: pwsh
Restore was successful.
Compilers.sln:
Determining projects to restore...
/home/user/.nuget/packages/microsoft.dotnet.arcade.sdk/1.0.0-beta.21110.10/tools/Tools.proj : error NU3037: Package 'Microsoft.NETFramework.ReferenceAssemblies 1.0.0' from source 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-public/nuget/v3/index.json': The author primary signature validity period has expired.
/home/user/.nuget/packages/microsoft.dotnet.arcade.sdk/1.0.0-beta.21110.10/tools/Tools.proj : error NU3037: Package 'vswhere 2.4.1' from source 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-public/nuget/v3/index.json': The author primary signature validity period has expired.
/home/user/.nuget/packages/microsoft.dotnet.arcade.sdk/1.0.0-beta.21110.10/tools/Tools.proj : error NU3037: Package 'Microsoft.SymbolUploader.Build.Task 1.0.0-beta-64414-01' from source 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-eng/nuget/v3/index.json': The author primary signature validity period has expired.
/home/user/.nuget/packages/microsoft.dotnet.arcade.sdk/1.0.0-beta.21110.10/tools/Tools.proj : error NU3037: Package 'Microsoft.NETFramework.ReferenceAssemblies.net472 1.0.0' from source 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-public/nuget/v3/index.json': The author primary signature validity period has expired.
Failed to restore /home/user/.nuget/packages/microsoft.dotnet.arcade.sdk/1.0.0-beta.21110.10/tools/Tools.proj (in 3.79 sec).
Build FAILED.
