these 3 derivations will be built:
  /nix/store/2nh7zlf72ppqmf89063hynz0a38b1ylw-treefmt.toml.drv
  /nix/store/clrzxxq6f8sr0kxagv702bkkvz7841br-examples.drv
  /nix/store/rh9nk8skh9hw0sbh7nrzz6x99mgck8vp-test-examples.drv