these 3 derivations will be built:
  /nix/store/xqai8p7yf233gdbfavv7hi81fln38j9p-etc.drv
  /nix/store/bg8l3m1wnf9bwrn6n6639jdmk29qg2x3-activate.drv
  /nix/store/p57zms5bw80ln3889jkanbw6405zrlah-nixos-system-tau-26.11.20260823.203b7a4.drv