parse "gopher://\x9d\x17\xf9@U\xe2]LI\xfd%\x04o\xb2Vh\x82\xc9\xce\xd24\xbd\\\x17\xfcW\xcb\xfful\xc4\u0382T<\xd9PA\xc3\xecw\xceV\xf1\xf9\xdb:&%Q\xac\x88\xc7-1\x0f\xd4/": net/url: invalid control character in URL