parse "gopher://null.host:0/&f\x16\x9e\xb3\xa7\x8ap\x19\xfa\x8c\xd9\xd3\x1d\b(k\x9b\x9c\xa0\x82\xcdD\xea\xd0E\xaaB\x13Yo\xc7\xda\x0f.\xac\xb3A": net/url: invalid control character in URL