make fails because build/bin directory doesn't exist

[come-maiz]

Expected behaviour

Compile shisui.

Actual behaviour

$ make shisui
[...]
cp main ./build/bin/shisui                                                                                                                                                                                                                                                              
cp: cannot create regular file './build/bin/shisui': No such file or directory                                                                                                                                                                                                          
make: *** [Makefile:14: shisui] Error 1                                     

Steps to reproduce the behaviour

Clone the repository Install go Run: make shisui