these 3 derivations will be built:
  /nix/store/2gczp62i63qy9sd3vdgbmyiy7f1w4q68-etc.drv
  /nix/store/vi41nw2cwmj8l5nljywq5ihcrmqcp3y7-activate.drv
  /nix/store/4sn6p63fm5wgaqplxa7d1c0jx2fbm1vr-nixos-system-tau-26.11.20260823.203b7a4.drv