src/test/ui-fulldeps/internal-lints/default_hash_types.stderr

error: Prefer FxHashMap over HashMap, it has better performance
  --> $DIR/default_hash_types.rs:12:15
   |
LL |     let _map: HashMap<String, String> = HashMap::default();
   |               ^^^^^^^ help: use: `FxHashMap`
   |
note: lint level defined here
  --> $DIR/default_hash_types.rs:10:8
   |
LL | #[deny(rustc::default_hash_types)]
   |        ^^^^^^^^^^^^^^^^^^^^^^^^^
   = note: a `use rustc_data_structures::fx::FxHashMap` may be necessary

error: Prefer FxHashMap over HashMap, it has better performance
  --> $DIR/default_hash_types.rs:12:41
   |
LL |     let _map: HashMap<String, String> = HashMap::default();
   |                                         ^^^^^^^ help: use: `FxHashMap`
   |
   = note: a `use rustc_data_structures::fx::FxHashMap` may be necessary

error: Prefer FxHashSet over HashSet, it has better performance
  --> $DIR/default_hash_types.rs:15:15
   |
LL |     let _set: HashSet<String> = HashSet::default();
   |               ^^^^^^^ help: use: `FxHashSet`
   |
   = note: a `use rustc_data_structures::fx::FxHashSet` may be necessary

error: Prefer FxHashSet over HashSet, it has better performance
  --> $DIR/default_hash_types.rs:15:33
   |
LL |     let _set: HashSet<String> = HashSet::default();
   |                                 ^^^^^^^ help: use: `FxHashSet`
   |
   = note: a `use rustc_data_structures::fx::FxHashSet` may be necessary

error: aborting due to 4 previous errors