these 3 derivations will be built:
  /nix/store/7zfzqsjvkc8mficss79wkx6131116n96-treefmt.toml.drv
  /nix/store/yyrpkgyq6j589zbkr9gspja1n91zsl44-treefmt.drv
  /nix/store/1nyns18nkkd9ird1b7cry6g96axkrkwl-treefmt-check.drv