this derivation will be built: /nix/store/ps9likckyxy1as99sw8rxmblqjk80qa0-bcachefs-module-7.0.0-28-generic.drv building '/nix/store/ps9likckyxy1as99sw8rxmblqjk80qa0-bcachefs-module-7.0.0-28-generic.drv'...