1>------ Rebuild All started: Project: numl, Configuration: Debug Any CPU ------
1>C:\Program Files (x86)\MSBuild\15.0\Imports\Microsoft.Common.props\ImportBefore\Microsoft.NuGet.ImportBefore.props(16,3): warning MSB4011: "C:\Program Files (x86)\Microsoft Visual Studio\2017\Enterprise\MSBuild\Microsoft\NuGet\15.0\Microsoft.NuGet.props" cannot be imported again. It was already imported at "C:\Program Files (x86)\Microsoft Visual Studio\2017\Enterprise\MSBuild\15.0\Imports\Microsoft.Common.props\ImportBefore\Microsoft.NuGet.ImportBefore.props (16,3)". This is most likely a build authoring error. This subsequent import will be ignored. [D:\Git\numl\Src\numl\numl.csproj]
1>C:\Program Files (x86)\MSBuild\15.0\Microsoft.Common.targets\ImportAfter\Microsoft.NuGet.ImportAfter.targets(16,3): warning MSB4011: "C:\Program Files (x86)\Microsoft Visual Studio\2017\Enterprise\MSBuild\Microsoft\NuGet\15.0\Microsoft.NuGet.targets" cannot be imported again. It was already imported at "C:\Program Files (x86)\Microsoft Visual Studio\2017\Enterprise\MSBuild\15.0\Microsoft.Common.targets\ImportAfter\Microsoft.NuGet.ImportAfter.targets (16,3)". This is most likely a build authoring error. This subsequent import will be ignored. [D:\Git\numl\Src\numl\numl.csproj]
1>C:\Program Files (x86)\Microsoft Visual Studio\2017\Enterprise\MSBuild\Sdks\Microsoft.NET.Sdk\build\Microsoft.NET.Sdk.DefaultItems.targets(101,5): warning : A PackageReference for 'NETStandard.Library' was included in your project. This package is implicitly referenced by the .NET SDK and you do not typically need to reference it from your project. For more information, see https://aka.ms/sdkimplicitrefs
1>numl -> D:\Git\numl\Src\numl\bin\Debug\netstandard1.3\numl.dll
1>Done building project "numl.csproj".
2>------ Rebuild All started: Project: numl.Tests, Configuration: Debug Any CPU ------
2>C:\Program Files (x86)\MSBuild\15.0\Imports\Microsoft.Common.props\ImportBefore\Microsoft.NuGet.ImportBefore.props(16,3): warning MSB4011: "C:\Program Files (x86)\Microsoft Visual Studio\2017\Enterprise\MSBuild\Microsoft\NuGet\15.0\Microsoft.NuGet.props" cannot be imported again. It was already imported at "C:\Program Files (x86)\Microsoft Visual Studio\2017\Enterprise\MSBuild\15.0\Imports\Microsoft.Common.props\ImportBefore\Microsoft.NuGet.ImportBefore.props (16,3)". This is most likely a build authoring error. This subsequent import will be ignored. [D:\Git\numl\Src\numl.Tests\numl.Tests.csproj]
2>C:\Program Files (x86)\MSBuild\15.0\Microsoft.Common.targets\ImportAfter\Microsoft.NuGet.ImportAfter.targets(16,3): warning MSB4011: "C:\Program Files (x86)\Microsoft Visual Studio\2017\Enterprise\MSBuild\Microsoft\NuGet\15.0\Microsoft.NuGet.targets" cannot be imported again. It was already imported at "C:\Program Files (x86)\Microsoft Visual Studio\2017\Enterprise\MSBuild\15.0\Microsoft.Common.targets\ImportAfter\Microsoft.NuGet.ImportAfter.targets (16,3)". This is most likely a build authoring error. This subsequent import will be ignored. [D:\Git\numl\Src\numl.Tests\numl.Tests.csproj]
2>C:\Program Files (x86)\Microsoft Visual Studio\2017\Enterprise\MSBuild\Sdks\Microsoft.NET.Sdk\build\Microsoft.NET.Sdk.DefaultItems.targets(101,5): warning : A PackageReference for 'Microsoft.NETCore.App' was included in your project. This package is implicitly referenced by the .NET SDK and you do not typically need to reference it from your project. For more information, see https://aka.ms/sdkimplicitrefs
2>C:\Program Files (x86)\MSBuild\15.0\Imports\Microsoft.Common.props\ImportBefore\Microsoft.NuGet.ImportBefore.props(16,3): warning MSB4011: "C:\Program Files (x86)\Microsoft Visual Studio\2017\Enterprise\MSBuild\Microsoft\NuGet\15.0\Microsoft.NuGet.props" cannot be imported again. It was already imported at "C:\Program Files (x86)\Microsoft Visual Studio\2017\Enterprise\MSBuild\15.0\Imports\Microsoft.Common.props\ImportBefore\Microsoft.NuGet.ImportBefore.props (16,3)". This is most likely a build authoring error. This subsequent import will be ignored. [D:\Git\numl\Src\numl\numl.csproj]
2>C:\Program Files (x86)\MSBuild\15.0\Microsoft.Common.targets\ImportAfter\Microsoft.NuGet.ImportAfter.targets(16,3): warning MSB4011: "C:\Program Files (x86)\Microsoft Visual Studio\2017\Enterprise\MSBuild\Microsoft\NuGet\15.0\Microsoft.NuGet.targets" cannot be imported again. It was already imported at "C:\Program Files (x86)\Microsoft Visual Studio\2017\Enterprise\MSBuild\15.0\Microsoft.Common.targets\ImportAfter\Microsoft.NuGet.ImportAfter.targets (16,3)". This is most likely a build authoring error. This subsequent import will be ignored. [D:\Git\numl\Src\numl\numl.csproj]
2>C:\Program Files (x86)\MSBuild\15.0\Imports\Microsoft.Common.props\ImportBefore\Microsoft.NuGet.ImportBefore.props(16,3): warning MSB4011: "C:\Program Files (x86)\Microsoft Visual Studio\2017\Enterprise\MSBuild\Microsoft\NuGet\15.0\Microsoft.NuGet.props" cannot be imported again. It was already imported at "C:\Program Files (x86)\Microsoft Visual Studio\2017\Enterprise\MSBuild\15.0\Imports\Microsoft.Common.props\ImportBefore\Microsoft.NuGet.ImportBefore.props (16,3)". This is most likely a build authoring error. This subsequent import will be ignored. [D:\Git\numl\Src\numl\numl.csproj]
2>C:\Program Files (x86)\MSBuild\15.0\Microsoft.Common.targets\ImportAfter\Microsoft.NuGet.ImportAfter.targets(16,3): warning MSB4011: "C:\Program Files (x86)\Microsoft Visual Studio\2017\Enterprise\MSBuild\Microsoft\NuGet\15.0\Microsoft.NuGet.targets" cannot be imported again. It was already imported at "C:\Program Files (x86)\Microsoft Visual Studio\2017\Enterprise\MSBuild\15.0\Microsoft.Common.targets\ImportAfter\Microsoft.NuGet.ImportAfter.targets (16,3)". This is most likely a build authoring error. This subsequent import will be ignored. [D:\Git\numl\Src\numl\numl.csproj]
2>C:\Program Files (x86)\Microsoft Visual Studio\2017\Enterprise\MSBuild\15.0\Bin\Microsoft.Common.CurrentVersion.targets(1913,5): warning MSB3277: Found conflicts between different versions of the same dependent assembly that could not be resolved. These reference conflicts are listed in the build log when log verbosity is set to detailed.
2>numl.Tests -> D:\Git\numl\Src\numl.Tests\bin\Debug\netcoreapp1.0\numl.Tests.dll
2>Done building project "numl.Tests.csproj".
========== Rebuild All: 2 succeeded, 0 failed, 0 skipped ==========
Steps to reproduce
Expected behavior
No build warnings.
Actual behavior
Environment data
VS build D15PreRel 26124.03