parse "gopher://null.host:0/û\x8b\x877\xcd \xda\xf5\x1f\xafqUʲ\xb3\x10\xb9몙\xacM<\xf2\xea\xfa7\xaf\x00\xd2\xfcǔ\x8b\xce<\xee\x9fYW": net/url: invalid control character in URL