these 4 derivations will be built:
  /nix/store/v3lsc0vsqzs5v7bqqc6wximrw96qj2m6-etc-nix-registry.json.drv
  /nix/store/4sih5aa8c4c0w8djv92rg7wmccxxiwx4-etc.drv
  /nix/store/zqbrkr465wgsz2ffzrzhzpjnma2kx5zb-activate.drv
  /nix/store/m9gl3sy65jz0cbgsl60ya5zcd272k6gk-nixos-system-tau-26.11.20260920.5baae1f.drv