parse "gopher://null.host:0/æ\x1ehdV8\xcc\x009&\xdc\xf0\xf9\xd3\x00\xd6\xd5\xe8.\x02\xf5k\xc8\x05P\xb2\xac9\x05\xb5\a0ߪ\xa5.\xa7\xa6\x8ep9\xa4\x1fD\xafܸ\xb0\x80\x05\\\x92!x\x8f\xca\xe8I": net/url: invalid control character in URL