message: [examples/incrementer] Remove unnecesary mut
diff: @@ -113,7 +113,7 @@ mod tests {
  #[test]
  fn test_get() {
  - let mut incrementer = unsafe {
  + let incrementer = unsafe {
  let mut alloc = alloc::BumpAlloc::from_raw_parts(ALLOC_KEY);
  Incrementer::allocate_using(&mut alloc).initialize(())
  };
  