these 3 derivations will be built: /nix/store/8rfqkz2i5q1wcnna7djb0c2pv3qxdcfk-etc.drv /nix/store/ycrmdd6bn1qv05v8k7m7rf5b88lrqk1b-activate.drv /nix/store/6scc0wwl6mh2h0fmvbhzb2r3b9hqm1wq-nixos-system-tau-26.11.20261018.b5f67df.drv