these 3 derivations will be built:
  /nix/store/kyv01i2z8bn83ii5wp94l9xz3i0603jc-treefmt.toml.drv
  /nix/store/9pypgkrf6902p56fv4xzgdm9m6yrxii4-treefmt.drv
  /nix/store/20gnh3sq6s5kf18gsf815az263v79wd9-treefmt-check.drv