these 3 derivations will be built:
  /nix/store/myn37ma3nnmd7k00sbzn8kfy680w82id-treefmt.toml.drv
  /nix/store/rdsaczqc0ra856hjn75az1s9yra9126h-treefmt.drv
  /nix/store/ls0d0xkg493k1fydcs7iz10vf69h9dbb-treefmt-check.drv