parse "gopher://null.host:0/`\x94\xa9\xa3π\xbfA\xfc\xda\xf8Hs?R\xf5\x99hM\x93\xf3\x04T\x87\xab^/\xf2\xa0\xa1\xc7x{\xc3@\xb6f\xab,Z\xe4\xfah\xba\\y\xc2.\xb3-\x81\xecQ\xb2\xf4\xe7\"\xb4y": net/url: invalid control character in URL