parse "gopher://null.host:0/\u008b\xbf\x8f\x8d\a\xed\xd6\x03\ued749W\x818|\xf4\xa0\xc6^A\x1a\xe63\xc8Oi4\x81\x98A0\x1f}3\xd1\xc1kH?\x9eo\b\x9a\xd4\f^\x83\xe8f\xb7W\xee\xf7\xbc\xaf\x95`o\x8f\\Q\xccMS\xe0": net/url: invalid control character in URL