Error(s):

C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\INCLUDE\memory(1241) : error C2280: 'std::unique_lock<std::mutex>::unique_lock(const std::unique_lock<std::mutex> &)' : attempting to reference a deleted function
        C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\INCLUDE\mutex(285) : see declaration of 'std::unique_lock<std::mutex>::unique_lock'
        This diagnostic occurred in the compiler generated function 'LockDeleter::LockDeleter(const LockDeleter &)'