parse "gopher://null.host:0/\f\xae\xf9\x14\xff\xe0\xa4\xda\xf9cWg\x8a\x82\xfb\xa5\xad\x14\xb9\xfe\xfa\xa2y\xe3\x1fn\x9cu>\xd7\xf2q\xee.&ɑ": net/url: invalid control character in URL