these 3 derivations will be built:
  /nix/store/r265061zis9hvdqygpk2gqgnslghvxch-treefmt.toml.drv
  /nix/store/h00f68j871yfmf0kvgvh08c22iazraid-treefmt.drv
  /nix/store/5z7x104vg6kkz811v1krvzyms73a3h0p-treefmt-check.drv