parse "gopher://null.host:0/\x13\xfa\a\xf3\x97\xf4G\xa8\xb0:\xfd{y\b\xdd\x01\x85\xbe\xd7\vt\xeeQA\x17\x14\xbc\xaf\xa2JY\xd1\xe8\f`~Z": net/url: invalid control character in URL