these 4 derivations will be built:
  /nix/store/gfczc7ah4i54cvf2fa2ncy9855caab08-etc-nix-registry.json.drv
  /nix/store/fn0m0ikjyi5h1qz0dys63c4kg74sp3qn-etc.drv
  /nix/store/0v4bl41fy4fzj10l37hfxgfj9n2b0njg-activate.drv
  /nix/store/njqzdckx14i50y9s0cgnksrp61989hch-nixos-system-tau-26.11.20261018.b5f67df.drv