parse "gopher://null.host:0/ $\xfd\x92}U\x9b\xb3\xbf'\xd6\xdbb_\xdd\xe6\xec\u05c9\x15\xffd_\xd5\xe6\xeco\x89\xf56\xdb\xff\xc0\xe6\xecW\xca3\xac\xd2\xfc?\xdaW\xb09\xfb\xabsy\xfe&\xfb": net/url: invalid control character in URL