parse "gopher://\x18\xe68\x13S\xb6\xa9lL\x83\xf2\xf94\x10\xab\x98M\xa3\xdd:R\u007f\x8a\x12\xbf\xb6\xa9\xee\xe1\xe9z}\x1e\x8ahS\x18\xb0\xdd4\x17\xdb\xf7/": net/url: invalid control character in URL