error[E0283]: type annotations needed
  --> $DIR/issue-71732.rs:18:10
   |
LL |         .get(&"key".into())
   |          ^^^ ------------- type must be known at this point
   |          |
   |          cannot infer type of the type parameter `Q` declared on the associated function `get`
   |
   = note: multiple `impl`s satisfying `String: Borrow<_>` found in the following crates: `alloc`, `core`:
           - impl Borrow<str> for String;
           - impl<T> Borrow<T> for T
             where T: ?Sized;
note: required by a bound in `HashMap::<K, V, S>::get`
  --> $SRC_DIR/std/src/collections/hash/map.rs:LL:COL
   |
LL |         K: Borrow<Q>,
   |            ^^^^^^^^^ required by this bound in `HashMap::<K, V, S>::get`
help: consider specifying the generic argument
   |
LL |         .get::<Q>(&"key".into())
   |             +++++

error: aborting due to previous error

For more information about this error, try `rustc --explain E0283`.