parse "gopher://null.host:0/×\x8c\xcf\xf8\x8bȯ\xcd\xe1\xfc\x1d\x8d\xf8\xbe\xb4\xec\xc6r\x9b\xe0\aϥ\xb0o\x16\xf5\xfeu\xbc\xba\x98\xaf\fa\xebY\x13a\xfd\x99ˠB\xfd\xaf\x9b\xf1\xbd\x15": net/url: invalid control character in URL