these 3 derivations will be built:
  /nix/store/arf7pi521agzrkv0y8lg0bg2xly63j9k-treefmt.toml.drv
  /nix/store/4k7mvc0y6c2kdnr45b3xjj6h9vgapic9-treefmt.drv
  /nix/store/appb4px5vzlvmjw4pv5xjw2zfc700nq3-treefmt-check.drv