error: called `map_or(None, ..)` on an `Option` value. This can be done more directly by calling `and_then(..)` instead
  --> $DIR/option_map_or_none.rs:10:13
   |
LL |     let _ = opt.map_or(None, |x| Some(x + 1));
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using `and_then` instead: `opt.and_then(|x| Some(x + 1))`
   |
   = note: `-D clippy::option-map-or-none` implied by `-D warnings`

error: called `map_or(None, ..)` on an `Option` value. This can be done more directly by calling `and_then(..)` instead
  --> $DIR/option_map_or_none.rs:13:13
   |
LL |       let _ = opt.map_or(None, |x| {
   |  _____________^
LL | |                         Some(x + 1)
LL | |                        });
   | |_________________________^
   |
help: try using `and_then` instead
   |
LL ~     let _ = opt.and_then(|x| {
LL +                         Some(x + 1)
LL ~                        });
   |

error: aborting due to 2 previous errors