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

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
   |
LL |     assert!(!a.is_empty(), "with expansion {}", one!());
   |

error: aborting due to 2 previous errors