parse "gopher://\xcc\xf8\xfa\xd5\"\xca*\xbf\x12\xa4\xf1pS\xe9\x0fAm\xf7\xfc\xdb\xec\xd1`\x05\xfc\xa8,\xb1\xe1\xc5M\xc4ݖPA/": net/url: invalid control character in URL