these 3 derivations will be built:
  /nix/store/axqy3bnbbxv8510dc2q5dydxwq6575jw-treefmt.toml.drv
  /nix/store/s2nspgifs2xhnf0g3kglj6rqclmfipiz-treefmt.drv
  /nix/store/55v6iq7d22773xb0q7wdbkrs1167jw7l-treefmt-check.drv