these 3 derivations will be built:
  /nix/store/z5ka9b7x1c92nnw82s3c08ysaq3p8f8h-etc.drv
  /nix/store/ji0zighn1ck443k09zvmg8afdk54y4y2-activate.drv
  /nix/store/xny4hccs3zm3r6wy0bfpvsln374y512d-nixos-system-tau-26.11.20260927.a98e471.drv