parse "gopher://null.host:0/£\x81\xfb\xfd\xb7\x02c\x9a\f\xf6px\xd3\xd73\x18\xe5/\xb0\xf9\x1a\a\xdb5\xb3\x93d2\x1a\x1c\xb0MfO\x82?\x18@\xb3e\xf8\x03\x1be\xf6R\x99\xb0\x97>H\x05[\xa9\xa5\x9fɂ\xc3\xd6& \x02\xcca\v\x92\x15l\xf9\xb1\xa2\x839lͱ\x82\xad\xd0V\xb0\x85\xc6": net/url: invalid control character in URL