these 3 derivations will be built:
  /nix/store/jkkbkyzhix01jkcv6wcrcv9khifw0nv8-treefmt.toml.drv
  /nix/store/wrjb9ldkhmps5zqvdbcj5n3chq06cksv-treefmt.drv
  /nix/store/0j6h6599vcdvz3a44ymky7q13ybkbb9c-treefmt-check.drv