parse "gopher://null.host:0/\x1f\xfc\xe2\xaa\x02~\x86\u007f\\\x01?\xa7\xd2>\xef\x1c\xae\x84gl\xe1鐊\xf2\x928T\xa5\xdbi\x17$\xbb*,ba*]\xd2\xeb\xfau\xe65\xde;\xd8aOc\x93}\xdefr\xb4g\xd9<\xb3O\x92|\xb4>\x18\xd9": net/url: invalid control character in URL