error: called `.err().expect()` on a `Result` value --> $DIR/err_expect.rs:10:16 | LL | test_debug.err().expect("Testing debug type"); | ^^^^^^^^^^^^ help: try: `expect_err` | = note: `-D clippy::err-expect` implied by `-D warnings` error: called `.err().expect()` on a `Result` value --> $DIR/err_expect.rs:25:7 | LL | x.err().expect("17"); | ^^^^^^^^^^^^ help: try: `expect_err` error: aborting due to 2 previous errors