parse "gopher://null.host:0/0\x87!F\x02\x81\xa0q\x98\xff\x13\x05\x1d\x81C\xdf\xc5\xdc\x06\xafn\x046\x02M\xc4`\bX\x90G\x12\xf0X\x02\xb0\x0e\bQx": net/url: invalid control character in URL