error: returning the result of a let binding from a block. Consider returning the expression directly.
  --> $DIR/let_return.rs:16:5
   |
LL |     x
   |     ^
   |
   = note: `-D clippy::let-and-return` implied by `-D warnings`
note: this expression can be directly returned
  --> $DIR/let_return.rs:15:13
   |
LL |     let x = 5;
   |             ^

error: returning the result of a let binding from a block. Consider returning the expression directly.
  --> $DIR/let_return.rs:22:9
   |
LL |         x
   |         ^
   |
note: this expression can be directly returned
  --> $DIR/let_return.rs:21:17
   |
LL |         let x = 5;
   |                 ^

error: aborting due to 2 previous errors