these 4 derivations will be built:
  /nix/store/y6lvbh1k04qz22p0nxhixdzvnvg3zllw-system-units.drv
  /nix/store/05ni4zgbkv29l96lppid6623dikgcisc-etc.drv
  /nix/store/727hvd7a1x340s0wjzy85xa5gn5b67z7-activate.drv
  /nix/store/s0hvzlwbr8wq1hbybmcb2phb0f7477bs-nixos-system-tau-26.11.20260708.332783a.drv