parse "gopher://null.host:0/\x19\xa7\a\xfc5\x8d\x9a\xd7\b\xe0\x17jm\x17Y\xf7\x96\u007f\xb3\x10,\x15\x81o&\xb0\xf2\x98\xb0H9\xd8\xf8\x8c\xb0>\xa5h\xdc1\x18\x83^\xe7ƈ\x1a\xeb\\": net/url: invalid control character in URL