these 3 derivations will be built:
  /nix/store/gpzan2qn3cv0gdh44xm197a9q17aqb22-treefmt.toml.drv
  /nix/store/l5apbk239c8f0547dbhm2m9sm4cgw2y9-treefmt.drv
  /nix/store/6x097ih3k3kkq6imnxmin6xfk4rb9f4i-treefmt-check.drv