these 3 derivations will be built:
  /nix/store/y79nmwciv2rdgpaizmfscavdq1kq9ql2-treefmt.toml.drv
  /nix/store/mr8wzbin8l6w6gsqq4sc5cn2q3v72jd7-treefmt.drv
  /nix/store/kiiilhmpk9crky5k8dp7fc2b9zjmis3w-inputDerivation-treefmt-check.drv