these 6 derivations will be built:
  /nix/store/v3mz3ky8sl8hjaswsy3x1anfm33q8zi3-tofu.drv
  /nix/store/7z08g46r4hfzagfxmbsqq1zc0vq6a3sv-plan.drv
  /nix/store/j84yp9ygyl036ifx2rpgfl39vspaqr5c-destroy.drv
  /nix/store/mls00v8gwyjl7cx8qg34hk2gxyscabd1-apply.drv
  /nix/store/wb3wcxl44qdav2xzw9vz8yrlajvsa6s9-init.drv
  /nix/store/f2vh8lcscf3w3cxahiwzj4w696hs2r8b-nix-shell.drv