parse "gopher://null.host:0/2\xa2\x8b_vǯ\x19\xee(\x0fz5V)\xb9\xc1\xc0\x8cޭ\x9d\xbb\xe7\x8a\xf4X\xc6n\x1a~j \xb9\xe3懮\x8ao\x06\x9c\x1a0O\b\xbb\xa0,\x80\xc9": net/url: invalid control character in URL