parse "gopher://\x8f<\f=\faC\xfc\xeev-\xa6\xb1\xb3\a\x93R\u007f\xbf\x9ao\xf6\xa1\x1d/\x0f\xfd\x9d\xcf7\xb73\x86\x86x": net/url: invalid control character in URL