Error(s):

source_file.cpp(11): error C2280: 'std::unique_ptr<int,std::default_delete<_Ty>>::unique_ptr(const std::unique_ptr<_Ty,std::default_delete<_Ty>> &)': attempting to reference a deleted function
        with
        [
            _Ty=int
        ]
C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INCLUDE\memory(1435): note: see declaration of 'std::unique_ptr<int,std::default_delete<_Ty>>::unique_ptr'
        with
        [
            _Ty=int
        ]
Microsoft (R) C/C++ Optimizing Compiler Version 19.00.23506 for x64