these 6 derivations will be built:
  /nix/store/qfg56xg82i204pns039jzr2xnmns3akr-nixos-upgrade-guard.drv
  /nix/store/r3g3zxch5naxairyklc5y6f2m1nxrflp-unit-nixos-upgrade.service.drv
  /nix/store/02jqx5cb6w4qkncvxi376x9gbyx8mi43-system-units.drv
  /nix/store/mnajcsq6r1sbz9mphn9lavncd45k5z83-etc.drv
  /nix/store/ag26kdpgxl8aagvybc09y7w39133iq24-activate.drv
  /nix/store/4vcr3q4yxfb3whmvrrs699w2p86bv5xp-nixos-system-nixbox-26.11.20260913.ef34387.drv
building '/nix/store/qfg56xg82i204pns039jzr2xnmns3akr-nixos-upgrade-guard.drv'
nixos-upgrade-guard> structuredAttrs is enabled
building '/nix/store/r3g3zxch5naxairyklc5y6f2m1nxrflp-unit-nixos-upgrade.service.drv'
unit-nixos-upgrade.service> structuredAttrs is enabled
building '/nix/store/02jqx5cb6w4qkncvxi376x9gbyx8mi43-system-units.drv'
building '/nix/store/mnajcsq6r1sbz9mphn9lavncd45k5z83-etc.drv'
building '/nix/store/ag26kdpgxl8aagvybc09y7w39133iq24-activate.drv'
activate> structuredAttrs is enabled
building '/nix/store/4vcr3q4yxfb3whmvrrs699w2p86bv5xp-nixos-system-nixbox-26.11.20260913.ef34387.drv'
nixos-system-nixbox-26.11.20260913.ef34387> structuredAttrs is enabled