parse "gopher://null.host:0/X\xa7\x1fHڝ\x03A\x93\f\x9cj\x8fCy\xd9u\xc6yc\xd7c\xf7\x13\xa8\x0f\x15\x16:!\xa5D\xc4\x1ak\xb6\xc0\x87뱽ۏ": net/url: invalid control character in URL