error: manual implementation of `Iterator::find`
  --> $DIR/manual_find.rs:5:5
   |
LL | /     for s in strings {
LL | |
LL | |
LL | |         if s == String::new() {
...  |
LL | |     }
LL | |     None
   | |________^ help: replace with an iterator: `strings.into_iter().find(|s| s == String::new())`
   |
   = note: you may need to dereference some variables
   = note: `-D clippy::manual-find` implied by `-D warnings`

error: manual implementation of `Iterator::find`
  --> $DIR/manual_find.rs:16:5
   |
LL | /     for (s, _) in arr {
LL | |
LL | |
LL | |         if s == String::new() {
...  |
LL | |     }
LL | |     None
   | |________^ help: replace with an iterator: `arr.into_iter().map(|(s, _)| s).find(|s| s == String::new())`
   |
   = note: you may need to dereference some variables

error: aborting due to 2 previous errors