these 3 derivations will be built:
  /nix/store/b7sp82dxmkg8dynsfqy52arksfmgvj3f-etc.drv
  /nix/store/4avhfjzyygvzgcrqx23822lp0mw7ysz9-activate.drv
  /nix/store/221w7vll44lbyps9a6jz7mwik5b5sfyf-nixos-system-tau-26.11.20260906.faf77a3.drv