error: The tag of 'Three' collides with the tag of 'Two'.
  --> tests/derive-deserial-with-state/fail-colliding-forward.rs:14:28
   |
14 |     #[concordium(forward = 5)]
   |                            ^

error: The tag of 'Two' collides with the tag of 'Three'.
  --> tests/derive-deserial-with-state/fail-colliding-forward.rs:11:29
   |
11 |     #[concordium(forward = [5, 6])]
   |                             ^