these 3 derivations will be built:
  /nix/store/y2vdnxc26addpz5q7i90xhx8k98y2xs2-treefmt.toml.drv
  /nix/store/65k5jwzs38a2mmd0dhnar6c38xhl4m4c-treefmt.drv
  /nix/store/p54q4mk1xnnnjm300hcb2czngqp67ckm-treefmt-check.drv