error: `peek` never called on `Peekable` iterator --> $DIR/unused_peekable.rs:14:9 | LL | let peekable = std::iter::empty::().peekable(); | ^^^^^^^^ | = help: consider removing the call to `peekable` = note: `-D clippy::unused-peekable` implied by `-D warnings` error: `peek` never called on `Peekable` iterator --> $DIR/unused_peekable.rs:18:9 | LL | let new_local = old_local; | ^^^^^^^^^ | = help: consider removing the call to `peekable` error: `peek` never called on `Peekable` iterator --> $DIR/unused_peekable.rs:22:9 | LL | let by_mut_ref = &mut by_mut_ref_test; | ^^^^^^^^^^ | = help: consider removing the call to `peekable` error: `peek` never called on `Peekable` iterator --> $DIR/unused_peekable.rs:29:9 | LL | let peekable_from_fn = returns_peekable(); | ^^^^^^^^^^^^^^^^ | = help: consider removing the call to `peekable` error: `peek` never called on `Peekable` iterator --> $DIR/unused_peekable.rs:32:13 | LL | let mut peekable_using_iterator_method = std::iter::empty::().peekable(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: consider removing the call to `peekable` error: `peek` never called on `Peekable` iterator --> $DIR/unused_peekable.rs:37:9 | LL | let passed_along_ref = std::iter::empty::().peekable(); | ^^^^^^^^^^^^^^^^ | = help: consider removing the call to `peekable` error: `peek` never called on `Peekable` iterator --> $DIR/unused_peekable.rs:42:9 | LL | let _by_ref = by_ref_test.by_ref(); | ^^^^^^^ | = help: consider removing the call to `peekable` error: `peek` never called on `Peekable` iterator --> $DIR/unused_peekable.rs:44:13 | LL | let mut peekable_in_for_loop = std::iter::empty::().peekable(); | ^^^^^^^^^^^^^^^^^^^^ | = help: consider removing the call to `peekable` error: aborting due to 8 previous errors