1error: `map_err(|_|...` wildcard pattern discards the original error 2 --> $DIR/map_err.rs:23:32 3 | 4LL | println!("{:?}", x.map_err(|_| Errors::Ignored)); 5 | ^^^ 6 | 7 = note: `-D clippy::map-err-ignore` implied by `-D warnings` 8 = help: consider storing the original error as a source in the new error, or silence this warning using an ignored identifier (`.map_err(|_foo| ...`) 9 10error: aborting due to previous error 11 12