these 3 derivations will be built:
  /nix/store/gpm5a3sb1xfi0cb9d7sgddgl1cf84sl3-etc.drv
  /nix/store/b6ahgwwsbi2hd1qj1ly9cri28f8k6ndi-activate.drv
  /nix/store/zha0ha9cix22rd8infrx5l0bam2q9f2v-nixos-system-tau-26.11.20260920.5baae1f.drv