these 3 derivations will be built:
  /nix/store/amsk9da60vlg2nh5b0xmr7h296yq57af-etc.drv
  /nix/store/62qlln6d1zhdrl9qazl32rynakchv506-activate.drv
  /nix/store/g2hdiwm9ci2nwl2glzr86v97gjp2a1ig-nixos-system-thought-26.11.19800101.8be7bd0.drv