these 3 derivations will be built:
  /nix/store/rw1dv4d8v32541iqz4pgsqzw0d53dqcn-treefmt.toml.drv
  /nix/store/zjykiq4xjg5g3gvdj37781shrx1s6a0g-treefmt.drv
  /nix/store/pg3v3ffrq4vli41163fv162ijhk5rq4g-treefmt-check.drv