error: called `ok().expect()` on a Result value. You can call `expect` directly on the `Result` --> $DIR/ok_expect.rs:14:5 | 14 | res.ok().expect("disaster!"); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: `-D ok-expect` implied by `-D warnings` error: called `ok().expect()` on a Result value. You can call `expect` directly on the `Result` --> $DIR/ok_expect.rs:20:5 | 20 | res3.ok().expect("whoof"); | ^^^^^^^^^^^^^^^^^^^^^^^^^ error: called `ok().expect()` on a Result value. You can call `expect` directly on the `Result` --> $DIR/ok_expect.rs:22:5 | 22 | res4.ok().expect("argh"); | ^^^^^^^^^^^^^^^^^^^^^^^^ error: called `ok().expect()` on a Result value. You can call `expect` directly on the `Result` --> $DIR/ok_expect.rs:24:5 | 24 | res5.ok().expect("oops"); | ^^^^^^^^^^^^^^^^^^^^^^^^ error: called `ok().expect()` on a Result value. You can call `expect` directly on the `Result` --> $DIR/ok_expect.rs:26:5 | 26 | res6.ok().expect("meh"); | ^^^^^^^^^^^^^^^^^^^^^^^ error: aborting due to 5 previous errors