parse "gopher://null.host:0/\x7f\xf4\x93\xb3\xa8\xb0@䫿\x7f\x86\xec]OX߳\x8b\xabs\\\x8a\xa1M:\x92'\x143)Y1O\xe3\x83\xc4\x10\x87S": net/url: invalid control character in URL