parse "gopher://null.host:0/,\x9ay\xa0Y\xf7n\xff\x88*\xdb\xc6}(\x81\xdc\xdf\xd0G\xf2\x9a:\x1bj\x97m\x1b\x1f\xf8\x87\r\xa6\\s<\xe6@h\xcff\xe5\x1b\xc6F@\x15\xeb\x03\x9f\xc4 y\xa4\x045\x8bf\xbc\xaf*]\\": net/url: invalid control character in URL