parse "gopher://null.host:0/bQ8\xe6\x05q\x95\xf22\x83(\x9d0a\x88µ\xc9*\x97\x9cK\xd0\xf5\xa7\x87(<'\xb9)D\xa1)}Qq8\xed\xb2C": net/url: invalid control character in URL