The following actions uses node12 which is deprecated and will be forced to run on node16: actions/cache@v2. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/

Could not complete checking build configurations within 500 milliseconds

D:\a\StructLinq\StructLinq\src\StructLinq.BCL.Tests\StructLinq.BCL.net30.x86.Tests.csproj : warning NU1701: Package 'xunit.runner.visualstudio 2.5.3' was restored using '.NETFramework,Version=v4.6.1, .NETFramework,Version=v4.6.2, .NETFramework,Version=v4.7, .NETFramework,Version=v4.7.1, .NETFramework,Version=v4.7.2, .NETFramework,Version=v4.8, .NETFramework,Version=v4.8.1' instead of the project target framework '.NETCoreApp,Version=v3.0'. This package may not be fully compatible with your project. [D:\a\StructLinq\StructLinq\StructLinq.sln]

D:\a\StructLinq\StructLinq\src\StructLinq.BCL.Tests\StructLinq.BCL.net30.x64.Tests.csproj : warning NU1701: Package 'xunit.runner.visualstudio 2.5.3' was restored using '.NETFramework,Version=v4.6.1, .NETFramework,Version=v4.6.2, .NETFramework,Version=v4.7, .NETFramework,Version=v4.7.1, .NETFramework,Version=v4.7.2, .NETFramework,Version=v4.8, .NETFramework,Version=v4.8.1' instead of the project target framework '.NETCoreApp,Version=v3.0'. This package may not be fully compatible with your project. [D:\a\StructLinq\StructLinq\StructLinq.sln]

D:\a\StructLinq\StructLinq\src\StructLinq.BCL.Tests\StructLinq.BCL.net50.x86.Tests.csproj : warning NU1701: Package 'xunit.runner.visualstudio 2.5.3' was restored using '.NETFramework,Version=v4.6.1, .NETFramework,Version=v4.6.2, .NETFramework,Version=v4.7, .NETFramework,Version=v4.7.1, .NETFramework,Version=v4.7.2, .NETFramework,Version=v4.8, .NETFramework,Version=v4.8.1' instead of the project target framework 'net5.0'. This package may not be fully compatible with your project. [D:\a\StructLinq\StructLinq\StructLinq.sln]

D:\a\StructLinq\StructLinq\src\StructLinq.BCL.Tests\StructLinq.BCL.net50.x64.Tests.csproj : warning NU1701: Package 'xunit.runner.visualstudio 2.5.3' was restored using '.NETFramework,Version=v4.6.1, .NETFramework,Version=v4.6.2, .NETFramework,Version=v4.7, .NETFramework,Version=v4.7.1, .NETFramework,Version=v4.7.2, .NETFramework,Version=v4.8, .NETFramework,Version=v4.8.1' instead of the project target framework 'net5.0'. This package may not be fully compatible with your project. [D:\a\StructLinq\StructLinq\StructLinq.sln]

D:\a\StructLinq\StructLinq\src\StructLinq.BCL.Tests\StructLinq.BCL.net21.x64.Tests.csproj : warning NU1701: Package 'xunit.runner.visualstudio 2.5.3' was restored using '.NETFramework,Version=v4.6.1, .NETFramework,Version=v4.6.2, .NETFramework,Version=v4.7, .NETFramework,Version=v4.7.1, .NETFramework,Version=v4.7.2, .NETFramework,Version=v4.8, .NETFramework,Version=v4.8.1' instead of the project target framework '.NETCoreApp,Version=v2.1'. This package may not be fully compatible with your project. [D:\a\StructLinq\StructLinq\StructLinq.sln]

D:\a\StructLinq\StructLinq\src\StructLinq.BCL.Tests\StructLinq.BCL.net21.x86.Tests.csproj : warning NU1701: Package 'xunit.runner.visualstudio 2.5.3' was restored using '.NETFramework,Version=v4.6.1, .NETFramework,Version=v4.6.2, .NETFramework,Version=v4.7, .NETFramework,Version=v4.7.1, .NETFramework,Version=v4.7.2, .NETFramework,Version=v4.8, .NETFramework,Version=v4.8.1' instead of the project target framework '.NETCoreApp,Version=v2.1'. This package may not be fully compatible with your project. [D:\a\StructLinq\StructLinq\StructLinq.sln]

D:\a\StructLinq\StructLinq\src\StructLinq.BCL.Tests\StructLinq.BCL.net31.x86.Tests.csproj : warning NU1701: Package 'xunit.runner.visualstudio 2.5.3' was restored using '.NETFramework,Version=v4.6.1, .NETFramework,Version=v4.6.2, .NETFramework,Version=v4.7, .NETFramework,Version=v4.7.1, .NETFramework,Version=v4.7.2, .NETFramework,Version=v4.8, .NETFramework,Version=v4.8.1' instead of the project target framework '.NETCoreApp,Version=v3.1'. This package may not be fully compatible with your project. [D:\a\StructLinq\StructLinq\StructLinq.sln]

D:\a\StructLinq\StructLinq\src\StructLinq.BCL.Tests\StructLinq.BCL.net31.x64.Tests.csproj : warning NU1701: Package 'xunit.runner.visualstudio 2.5.3' was restored using '.NETFramework,Version=v4.6.1, .NETFramework,Version=v4.6.2, .NETFramework,Version=v4.7, .NETFramework,Version=v4.7.1, .NETFramework,Version=v4.7.2, .NETFramework,Version=v4.8, .NETFramework,Version=v4.8.1' instead of the project target framework '.NETCoreApp,Version=v3.1'. This package may not be fully compatible with your project. [D:\a\StructLinq\StructLinq\StructLinq.sln]