parse "gopher://\xf4P\xac+:0/«\xb3\x1b\xf5\xd8U˞\xfd\xe8\xd8A\xacL\xb7\x8a\xaf\xe5\v\xd6\r/ \xa6\xdb)x\x16\xde\x15~\v\x8aoA \x8b\x9aA\x84": net/url: invalid control character in URL