1 error: used `unwrap()` on `an Option` value
2 --> $DIR/unwrap.rs:5:13
4 LL | let _ = opt.unwrap();
7 = note: `-D clippy::option-unwrap-used` implied by `-D warnings`
8 = help: if you don't want to handle the `None` case gracefully, consider using `expect()` to provide a better panic message
10 error: used `unwrap()` on `a Result` value
11 --> $DIR/unwrap.rs:10:13
13 LL | let _ = res.unwrap();
16 = note: `-D clippy::result-unwrap-used` implied by `-D warnings`
17 = help: if you don't want to handle the `Err` case gracefully, consider using `expect()` to provide a better panic message
19 error: aborting due to 2 previous errors