these 3 derivations will be built:
  /nix/store/zr74n88b8r0sdhhfmpyrw92wa1gas5k8-treefmt.toml.drv
  /nix/store/030f6zy4q6llrrdms4p87qlj691cs567-treefmt.drv
  /nix/store/fb47zg5diahy3mh1crpf0y3rzkmb7xkl-treefmt-check.drv