Many fixes:

- comment out dead code
- reduce number of casting
- fix loop block

src/main.rs

@@ -28,7 +28,8 @@ fn main() {
     println!("After Filling");
     //population.display();
     println!("After Propagation");
-    let mut stats: [i32;4] = [0,0,0,0];
+    let mut stats: [i32;4];
+     // = [0,0,0,0];
     let mut counter:u32 = 0;
     loop{
         counter += 1;