parse "gopher://null.host:0/0\xc7\xedB\x9a!u\xb8\xa2\x16-\u0088\b$h\x92\x85\x92\xb2Q\xea\xfd.\xf9Q\x92\".\x9f\xd8ʄo\xec\xf3^\x93\xd2\xc1\b\x16ȶ": net/url: invalid control character in URL