these 3 derivations will be built:
  /nix/store/lc36blk98d8r0v1rlsxvny4kq24zw8sg-treefmt.toml.drv
  /nix/store/npf9gqc6qw3yzvbkbqk7crih12rzd451-treefmt.drv
  /nix/store/4i4k8ssda8i8mlh813qcbciivx07kjm8-treefmt-check.drv