Ran ci/run-all.sh, formatted hw1/task4 AGAIN :D

hw1/task4/src/lib.rs

 
 pub fn sum_of_squares(n: i32) -> i32 {
     let mut i: i32 = 0;
-    for x in 1..n+1 {
-       i += x.pow(2);
+    for x in 1..n + 1 {
+        i += x.pow(2);
     }
     i
 }