error: called `map_or(None, f)` on an Option value. This can be done more directly by calling `and_then(f)` 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, f)` on an Option value. This can be done more directly by calling `and_then(f)` 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