parse "gopher://null.host:0/²OKLX\xef\xcaU\xddDd\u007fݬ\xb3\x9d\x06\xe6\x12d{:\xc9\vxi\x9e\xad\x1c\xbe\a\xa8\xbaw\xa8\xba\xc0)366\xfd\x8dXc\xa5\x98\xea\xddD\xe2ϲ\xeb\xd0?M4\x14X\x87s\xa1\xb1\x8b\xf7\xd6\xc3d\xd9\xfa": net/url: invalid control character in URL