these 4 derivations will be built:
  /nix/store/15c990fc8sa98b30mvsdk9lhygd4m1pq-etc-nix-registry.json.drv
  /nix/store/kslfh2c51a6mbc2z09wbljcfch43wpmd-etc.drv
  /nix/store/33in0idldp5bl1k2fpd8jx8sipgmwmpy-activate.drv
  /nix/store/r74h9v3g50a3w0rfb7jczn9dv62c47rw-nixos-system-tau-26.11.20260927.a98e471.drv