error: used `unwrap()` on `an Option` value --> $DIR/unwrap.rs:5:13 | LL | let _ = opt.unwrap(); | ^^^^^^^^^^^^ | = help: if you don't want to handle the `None` case gracefully, consider using `expect()` to provide a better panic message = note: `-D clippy::unwrap-used` implied by `-D warnings` error: used `unwrap()` on `a Result` value --> $DIR/unwrap.rs:10:13 | LL | let _ = res.unwrap(); | ^^^^^^^^^^^^ | = help: if you don't want to handle the `Err` case gracefully, consider using `expect()` to provide a better panic message error: used `unwrap_err()` on `a Result` value --> $DIR/unwrap.rs:11:13 | LL | let _ = res.unwrap_err(); | ^^^^^^^^^^^^^^^^ | = help: if you don't want to handle the `Ok` case gracefully, consider using `expect_err()` to provide a better panic message error: aborting due to 3 previous errors