this derivation will be built: /nix/store/yh1ywlj9nd367fqy8na6yd4vh15swxcp-bcachefs-module-7.0.0-39-generic.drv building '/nix/store/yh1ywlj9nd367fqy8na6yd4vh15swxcp-bcachefs-module-7.0.0-39-generic.drv'...