error: `map_err` has thrown away the original error
  --> $DIR/map_err.rs:21:32
   |
LL |     println!("{:?}", x.map_err(|_| Errors::Ignored));
   |                                ^^^ help: Allow the error enum to encapsulate the original error: `|e| Errors::Ignored(e)`
   |
   = note: `-D clippy::map-err-ignore` implied by `-D warnings`

error: aborting due to previous error