these 4 derivations will be built:
  /nix/store/93fp9831zjkl2rpkxynrqf2j9pwxsk15-etc-nix-registry.json.drv
  /nix/store/2hx7q93bli7016rdaiyv0gz4l9a2dw2n-etc.drv
  /nix/store/c9syjhb30z27dv2bjg836cci9nzxwfi1-activate.drv
  /nix/store/rn6y26fnzb69fdwvbmz7sp61mag4i85p-nixos-system-tau-26.11.20260830.f20ff57.drv