these 6 derivations will be built:
  /nix/store/q6lhha777jxjjkigg5qxikcvcznszcnc-tofu.drv
  /nix/store/3l0qx07ls16xwr0ha56zydw6xjvvkwaw-destroy.drv
  /nix/store/9hrx74q823dh7878wibi2pq8hr2a6485-init.drv
  /nix/store/k2bcqg30hjy77ya84xfy9lla0wxkzqq4-plan.drv
  /nix/store/vkk793azmf33fvgjicrwqxslnzyig30h-apply.drv
  /nix/store/fi7nlm8gd40sbc7gj7xkm4k29lrqd5kr-nix-shell.drv