these 3 derivations will be built:
  /nix/store/9zfzlkx59rn8q12lycgrbhjz6fg2j90d-etc.drv
  /nix/store/j9bzgqgpc9rdlk64zgsfc7pciljrp0kf-activate.drv
  /nix/store/ja95nlkz2xyzikd9mc7d8dcd7kfvkmb9-nixos-system-tau-26.11.20261018.b5f67df.drv