error: Expected 3 items in the iteration order but got 0
 --> tests/compilation_failure_tests/iteration_order/wrong_length_empty.rs:4:18
  |
4 | #[iteration_order()]
  |                  ^^
  |
  = note: Enum `Enum` has 3 variants
  = note: Each variant should appear exactly once in the iteration order

error[E0601]: `main` function not found in crate `$CRATE`
 --> tests/compilation_failure_tests/iteration_order/wrong_length_empty.rs:7:2
  |
7 | }
  |  ^ consider adding a `main` function to `$DIR/tests/compilation_failure_tests/iteration_order/wrong_length_empty.rs`