parse "gopher://null.host:0/\x1ex\xec\xf0\"\xe0\xf1\xb9\xff\xc9\xfe\x82\xe3\xf3\xb3\x18?|\x82X\x84\xeb\x9dlz8OG\xfe\xd2I\xe2A\x91\x8f": net/url: invalid control character in URL