error: usage of RandomState
  --> $DIR/random_state.rs:9:19
   |
LL |     let mut map = HashMap::new();
   |                   ^^^^^^^^^^^^
   |
   = note: `-D clippy::random-state` implied by `-D warnings`

error: usage of RandomState
  --> $DIR/random_state.rs:11:19
   |
LL |     let mut map = HashMap::with_hasher(RandomState::new());
   |                   ^^^^^^^^^^^^^^^^^^^^

error: usage of RandomState
  --> $DIR/random_state.rs:13:15
   |
LL |     let _map: HashMap<_, _> = vec![(2, 3)].into_iter().collect();
   |               ^^^^^^^^^^^^^

error: usage of RandomState
  --> $DIR/random_state.rs:14:19
   |
LL |     let _vec: Vec<HashMap<i32, i32>>;
   |                   ^^^^^^^^^^^^^^^^^

error: aborting due to 4 previous errors