parse "gopher://null.host:0/3[\xfe\x9dlGZ\x879\xae\x8d\x02S\x8d\x11Q~\xcd\xe5\xc2n\x80\x99L\x9cҝzĽ\x81S,\x85`\xa6\xf2\x1c1\x1cT(\x99": net/url: invalid control character in URL