MSBuild ProjectReference not copying output to folder

I have a .net project "A" that references a native c++ dll project "B" (twice, but that doesnt matter) I have set the Private, OutputItemType, and CopyToOutputDirectory properties to get the project B dll output copied to the project A build folder. This works when building project A inside visual studio, but doesn't work when building it using the MSBuild command line This is how the project references are set up: