these 3 derivations will be built:
  /nix/store/1snr320cdlimfj6906wx3pxg0ff35sr6-treefmt.toml.drv
  /nix/store/mfsyzps0xdgvcr9y3mjw3c8rwady0y7p-treefmt.drv
  /nix/store/bzd1qs0b5rnd20s625y8gfw45nwwf6gp-treefmt-check.drv