parse "gopher://null.host:0/\u008aK\xfc8\xb8\x12\xe7\xe9J\x9c0B\x91\xa6\xfc\xf7\xe2x?\xdd\xfc\xf0\xb0\xf9\xdb\xfd\x8f\x9b\x8b\x8f\x8a\xf1\xbb \xc0s": net/url: invalid control character in URL