these 3 derivations will be built:
  /nix/store/17jqyhgfdmfpc73kb802j1v4b40s8gqd-treefmt.toml.drv
  /nix/store/ybwx4khxwawjaffkqp6n3rhfcm1v2c82-treefmt.drv
  /nix/store/3lkw4g6bppdc6c7c42abd14rib94f02y-treefmt-check.drv