parse "gopher://\xd6\xd6\xfc\x1e\xd5dG\x95\xc2\xd8\v9\xf0R\xb4\xa2\xcez\x8f\xf8\xa1\xdbo\x03\xca\xf4\x8c\x1f/": net/url: invalid control character in URL