have to write the model ref to make a valid model file

src/main.rs

@@ -507,7 +507,12 @@ fn interactive() -> BoxResult<()>{
                     let mut dest=std::path::PathBuf::from("maps/passed");
                     dest.push(file_thing.file_name());
                     let output = std::io::BufWriter::new(std::fs::File::create(dest)?);
-                    rbx_binary::to_writer(output, &dom, &[dom.root_ref()])?;
+                    //write workspace:GetChildren()[1]
+                    let workspace_children=dom.root().children();
+                    if workspace_children.len()!=1{
+                        return Err(Error::new("there can only be one model"));
+                    }
+                    rbx_binary::to_writer(output, &dom, &[workspace_children[0]])?;
                     //move original to processed folder
                     std::path::PathBuf::from("maps/unaltered")
                 }