error: only a `panic!` in `if`-then statement
  --> $DIR/manual_assert.rs:31:5
   |
LL | /     if !a.is_empty() {
LL | |         panic!("qaqaq{:?}", a);
LL | |     }
   | |_____^ help: try instead: `assert!(a.is_empty(), "qaqaq{:?}", a);`
   |
   = note: `-D clippy::manual-assert` implied by `-D warnings`

error: only a `panic!` in `if`-then statement
  --> $DIR/manual_assert.rs:66:5
   |
LL | /     if a.is_empty() {
LL | |         panic!("with expansion {}", one!())
LL | |     }
   | |_____^ help: try instead: `assert!(!a.is_empty(), "with expansion {}", one!());`

error: aborting due to 2 previous errors