Target AfterBuild:
Task "CreateItem"
    Using task CreateItem from Microsoft.Build.Tasks.CreateItem, Microsoft.Build.Tasks.v4.0, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
/libgit2sharp/LibGit2Sharp/CopyNativeDependencies.targets: error : Error executing task CreateItem: Invalid path

Error executing task CreateItem: System.ArgumentException: Invalid path
    at System.IO.Path.GetDirectoryName (System.String path) [0x00117] in corlib/System.IO/Path.cs:237
    at Microsoft.Build.BuildEngine.DirectoryScanner.ProcessInclude (ITaskItem include_item, System.Collections.Generic. Dictionary`2 excludedItems, System.Collections.Generic.List`1 includedItems) [0x001ba] in Microsoft.Build.Engine/Microsoft.Build.BuildEngine/DirectoryScanner.cs:123
    at Microsoft.Build.BuildEngine.DirectoryScanner.Scan () [0x0008b] in Microsoft.Build.Engine/Microsoft.Build.BuildEngine/DirectoryScanner.cs:72
    at Microsoft.Build.Tasks.CreateItem.Execute () [0x00048] in Microsoft.Build.Tasks/Microsoft.Build.Tasks/CreateItem.cs:58
    at Microsoft.Build.BuildEngine.TaskEngine.Execute () [0x00000] in Microsoft.Build.Engine/Microsoft.Build.BuildEngine/TaskEngine.cs:137
    at Microsoft.Build.BuildEngine.BuildTask.Execute () [0x0009a] in Microsoft.Build.Engine/Microsoft.Build.BuildEngine/BuildTask.cs:104
Task "CreateItem" execution -- FAILED

Done building target "AfterBuild" in project "/libgit2sharp/LibGit2Sharp.Tests/LibGit2Sharp.Tests.csproj".-- FAILED
Done building target "AfterBuild" in project "/libgit2sharp/LibGit2Sharp.Tests/LibGit2Sharp.Tests.csproj" ("/libgit2sharp/LibGit2Sharp/CopyNativeDependencies.targets"); "Build" depends on it.
Done building target "Build" in project "/libgit2sharp/LibGit2Sharp.Tests/LibGit2Sharp.Tests.csproj" ("/Library/Frameworks/Mono.framework/Versions/3.4.0/lib/mono/4.5/Microsoft.Common.targets").
Done building project "/libgit2sharp/LibGit2Sharp.Tests/LibGit2Sharp.Tests.csproj".-- FAILED

Task "MSBuild" execution -- FAILED
        Done building target "Build" in project "/libgit2sharp/LibGit2Sharp.sln".-- FAILED
        Done building target "Build" in project "/libgit2sharp/LibGit2Sharp.sln" ("/libgit2sharp/LibGit2Sharp.sln").
        Done building project "/libgit2sharp/LibGit2Sharp.sln".-- FAILED
Task "MSBuild" execution -- FAILED

Done building target "Build" in project "/libgit2sharp/CI/build.msbuild".-- FAILED

Done building target "Build" in project "/libgit2sharp/CI/build.msbuild" ("/libgit2sharp/CI/build.msbuild");
    "Test" depends on it.

Done building target "Test" in project "/libgit2sharp/CI/build.msbuild" ("/libgit2sharp/CI/build.msbuild");
    "Deploy" depends on it.

Done building target "Deploy" in project "/libgit2sharp/CI/build.msbuild" ("/libgit2sharp/CI/build.msbuild").
Done building project "/libgit2sharp/CI/build.msbuild".-- FAILED

Build FAILED.
Errors:

/libgit2sharp/CI/build.msbuild (Deploy) -> (Build target) ->
/libgit2sharp/LibGit2Sharp.sln (Build)  -> (Build target) ->
/libgit2sharp/LibGit2Sharp.Tests/LibGit2Sharp.Tests.csproj (default targets)  ->
/libgit2sharp/LibGit2Sharp/CopyNativeDependencies.targets (AfterBuild target) ->

/libgit2sharp/LibGit2Sharp/CopyNativeDependencies.targets: error : Error executing task CreateItem: Invalid path

     0 Warning(s)
     1 Error(s)

Time Elapsed 00:00:02.4272580