error: parameter of type `HashSet` should be generalized over different hashers --> $DIR/ice-3717.rs:7:21 | LL | pub fn ice_3717(_: &HashSet<usize>) { | ^^^^^^^^^^^^^^ | note: the lint level is defined here --> $DIR/ice-3717.rs:1:9 | LL | #![deny(clippy::implicit_hasher)] | ^^^^^^^^^^^^^^^^^^^^^^^ help: consider adding a type parameter | LL | pub fn ice_3717<S: ::std::hash::BuildHasher + Default>(_: &HashSet<usize, S>) { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^ help: ...and use generic constructor | LL | let _: HashSet<usize> = HashSet::default(); | ^^^^^^^^^^^^^^^^^^ error: aborting due to previous error