parse "gopher://\xf6\xb3ڥ\xecP\xf1V\xdc \xc3uuғ\xa5\x93\xc7\x05\xe0]\x0e\x81\x1f\x7f*\x86@ܧ\xdfD\x82\xdbh\x02\xaf\xbe:\x8b/": net/url: invalid control character in URL