these 3 derivations will be built:
  /nix/store/frrbdikkpl1bd0930c8pacdd0fxf2m8q-etc.drv
  /nix/store/p2rm6z2rlli452mycfsl0nnjxcnvknqq-activate.drv
  /nix/store/91ky10kkyhsyzqjkqg6a3cziygijnqdk-nixos-system-tau-26.11.20260920.5baae1f.drv