these 3 derivations will be built:
  /nix/store/7hdm6wmg7yvirlx9xqkyrcl94i214n8i-treefmt.toml.drv
  /nix/store/8srlpmf6ha9866fp7dxmfnc83bwcs5pb-treefmt.drv
  /nix/store/sxaq6i07dhkbfwq18z813dl2a2zhjmn2-inputDerivation-treefmt-check.drv