these 3 derivations will be built:
  /nix/store/8535yfrk88q8v42lmh388a4n5wx0wjls-treefmt.toml.drv
  /nix/store/f2r650wf0i5sq718xs946g1q1yxcyv4n-treefmt.drv
  /nix/store/20krv7yi8l3j265lq3v4y6kapbagq9sk-treefmt-check.drv