parse "gopher://\x1a\x99\x93\xb4\x1c\xb0G\xc4\xdd\r\xc23\x88\u007f\xf5\xf6\xcd}\xcb\x13\xbe\xbf\xba:0/aG\xd1\xd4\xdb\xec\xfc;v\x15\xaa": net/url: invalid control character in URL