parse "gopher://null.host:0/ò\xe5\xfahC\xd9R[\xc4\xfcR}\xbdx:\xc4\xfe\x14\x8c\x1c\xb4\xb6T\xf3\xbdK@\xe2\x94\xc0\x05\xd9Q\xf2\xff\xc9": net/url: invalid control character in URL