parse "gopher://null.host:0/\f\xb0\x1a\xb6\x80d6\xc3d\x8c\x8b4\x84\x99\xafJY\xf8\xd9\xcf\xdfC\xb2\xb0\xce\x12\xd6\x16\x1a\xcaߧ\u007f_\xe0\x1cL-\xc30P": net/url: invalid control character in URL