these 3 derivations will be built:
  /nix/store/zhhnlc0mbc222qxkz46mdh3z1f7zia3y-treefmt.toml.drv
  /nix/store/80zg1sf54vrh712crp0ndgv2mnv6kh7i-treefmt.drv
  /nix/store/wj9wiypwr4g8jn8gbfdcfjmfy3fdngwd-treefmt-check.drv