these 3 derivations will be built:
  /nix/store/9jnazvadd89nwzgsr92ic0r9f0wpg5hj-treefmt.toml.drv
  /nix/store/ay5ig5c4k7lkkm1jnfgqw68wcn8dyrc8-treefmt.drv
  /nix/store/q9j542lmy4m88h97k09ihjl28k1sdb95-treefmt-check.drv