these 3 derivations will be built:
  /nix/store/8535yfrk88q8v42lmh388a4n5wx0wjls-treefmt.toml.drv
  /nix/store/f2r650wf0i5sq718xs946g1q1yxcyv4n-treefmt.drv
  /nix/store/w27qpa67gfv44m4jjhk9ci425fabggq3-treefmt-check.drv