Building resources/project2/FrameworkApp.csproj... Project Started: C:\cygwin64\home\debanne\repos\testMSBuild\Builder\Builder\bin\Debug\resources\project2\FrameworkApp.csproj MakeDir: Creating directory "bin\Debug\". MakeDir: Creating directory "obj\Debug\". GenerateBindingRedirects: No suggested binding redirects from ResolveAssemblyReferences. Skipping target "GenerateTargetFrameworkMonikerAttribute" because all output files are up-to-date with respect to the input files. Csc: C:\Program Files (x86)\Microsoft Visual Studio\2017\BuildTools\MSBuild\15.0\Bin\Roslyn\csc.exe /noconfig /nowarn:1701,1702 /nostdlib+ /platform:anycpu32bitpreferred /errorreport:prompt /warn:4 /define:DEBUG;TRACE /highentropyva+ /reference:"C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\Microsoft.CSharp.dll" /reference:"C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\mscorlib.dll" /reference:"C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\System.Core.dll" /reference:"C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\System.Data.DataSetExtensions.dll" /reference:"C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\System.Data.dll" /reference:"C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\System.dll" /reference:"C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\System.Xml.dll" /reference:"C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.2\System.Xml.Linq.dll" /debug+ /debug:full /filealign:512 /optimize- /out:obj\Debug\project2.exe /subsystemversion:6.00 /target:exe /utf8output Program.cs Properties\AssemblyInfo.cs "C:\Users\debanne\AppData\Local\Temp\.NETFramework,Version=v4.5.2.AssemblyAttributes.cs" Csc: Utilisation de la compilation partagée avec le compilateur du répertoire : C:\Program Files (x86)\Microsoft Visual Studio\2017\BuildTools\MSBuild\15.0\Bin\Roslyn Copy: Copying file from "App.config" to "bin\Debug\project2.exe.config". Copy: Copying file from "obj\Debug\project2.exe" to "bin\Debug\project2.exe". Message: FrameworkApp -> C:\cygwin64\home\debanne\repos\testMSBuild\Builder\Builder\bin\Debug\resources\project2\bin\Debug\project2.exe Copy: Copying file from "obj\Debug\project2.pdb" to "bin\Debug\project2.pdb". Project Finished: C:\cygwin64\home\debanne\repos\testMSBuild\Builder\Builder\bin\Debug\resources\project2\FrameworkApp.csproj ==> Success Building resources/project1/CoreApp.csproj... Project Started: C:\cygwin64\home\debanne\repos\testMSBuild\Builder\Builder\bin\Debug\resources\project1\CoreApp.csproj : ERROR C:\cygwin64\home\debanne\repos\testMSBuild\Builder\Builder\bin\Debug\resources\project1\CoreApp.csproj(0,0): The target "Restore" does not exist in the project. Project Finished: C:\cygwin64\home\debanne\repos\testMSBuild\Builder\Builder\bin\Debug\resources\project1\CoreApp.csproj ==> Failure Building resources/project1/CoreApp.csproj...