parse "gopher://\xef\r\x96\u05cf\x9d\xf96\xc1\xd2g\x86\xe4\x13\x81e\x9a\x97\x13fh`\xc0\xdd\xc5^\xae\xe3\x8e\xe0\x96\x03 /": net/url: invalid control character in URL