parse "gopher://null.host:0/5M\xc6\x06\xebS\xb35\xb0q\xb4ōc\x8c\x05b\xd2\x1d\xbaon\x925u\xa0\xc51\x8d큕\xccif&:wd\x12o\xa9\x1dy0 \xd2&\x04K\xaf\xb3\xb5\bO\xdd\xdbPu\xa1O\xaa\x80\xa6\xf2\x15A\xcc(\xee\xc5>q\x1a\x15\xbeP": net/url: invalid control character in URL