error: for loop over a single element
  --> $DIR/single_element_loop.rs:7:5
   |
LL | /     for item in &[item1] {
LL | |         println!("{}", item);
LL | |     }
   | |_____^
   |
   = note: `-D clippy::single-element-loop` implied by `-D warnings`
help: try
   |
LL |     {
LL |         let item = &item1;
LL |         println!("{}", item);
LL |     }
   |

error: aborting due to previous error