these 3 derivations will be built:
  /nix/store/rdjambgsihcr6nhwxg2b1fcblzgn60pp-etc.drv
  /nix/store/hiqrjpg963m9rg08qa6gn9p3wxysd06f-activate.drv
  /nix/store/20ah0vmga9bpbxdxcvd4r28m8mc5qba1-nixos-system-thought-26.11.19800101.70ce234.drv