parse "gopher://null.host:0/\x00v\uea6fB\x18\x140yKC\fNg\xec\xf6\xf4\xf0\xe4f\xd0QE\xb9\x99;\x8eE\x9d\x02\x887\xa4\v\xa1S:\x8b\xa6>\x88\xd5\x04N$\xf9d\x9d\xdaG\x89\xe8T\xc6": net/url: invalid control character in URL