this derivation will be built: /nix/store/pi0yipdgvf0i7q88sdir8jbhdiaxim91-bcachefs-module-7.0.0-38-generic.drv building '/nix/store/pi0yipdgvf0i7q88sdir8jbhdiaxim91-bcachefs-module-7.0.0-38-generic.drv'...