these 4 derivations will be built:
  /nix/store/rada6k8q80xvkdid942dji14k1gvcz81-system-units.drv
  /nix/store/0csjz5qfbg9wppabw41djd93k32qa9cg-etc.drv
  /nix/store/kda69z63amyr4p5ipqbs116qb4ng3yk9-activate.drv
  /nix/store/zga2r23bx2d0vqigxs4bgmasixy30ws1-nixos-system-x13-26.11.20261027.31ecbac.drv