parse "gopher://\x1a\xe0\u007f\xe0~*:0/C\x0eJ\xc7IŜ\xb3\x88o\fK?\x12\xf0,\x0ej\x95B\xa3\xfc\xb9G\x87k\xc2\xee\xb9": net/url: invalid control character in URL