error: Make sure you did not confuse `map` with `filter`.
  --> $DIR/suspicious_map.rs:4:13
   |
LL |     let _ = (0..3).map(|x| x + 2).count();
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: `-D clippy::suspicious-map` implied by `-D warnings`

error: aborting due to previous error