this derivation will be built: /nix/store/gymywczmvbka3dylg3yzh3rj0yq39c0d-bcachefs-module-7.0.0-29-generic.drv building '/nix/store/gymywczmvbka3dylg3yzh3rj0yq39c0d-bcachefs-module-7.0.0-29-generic.drv'...