these 3 derivations will be built:
  /nix/store/11bp14sas33fi7l804vjhwinrvw93ljl-etc.drv
  /nix/store/06r5agxhhv4il8bxab6r7lmpsg8i9zjr-activate.drv
  /nix/store/wgn3pp2ch98jimjy2cc48zqkp9zpcbk9-nixos-system-zaphod-26.11.19800101.8be7bd0.drv