these 4 derivations will be built:
  /nix/store/bpc0jciklqmi10qj82v0ka5vbflw46f2-etc-nix-registry.json.drv
  /nix/store/mkwiq3934zk9ia03b0dgxmvzcciwwmas-etc.drv
  /nix/store/nnwwa27p8016rlnrcfwp2mzmk7yiq735-activate.drv
  /nix/store/jjpp5bi3f0psqzjgdpq4c7yp70056wfa-nixos-system-tau-26.11.20260830.f20ff57.drv