this derivation will be built: /nix/store/xfdmwzq44lzszssrzrak8qz6hkvks62p-bcachefs-module-7.0.0-38-generic.drv building '/nix/store/xfdmwzq44lzszssrzrak8qz6hkvks62p-bcachefs-module-7.0.0-38-generic.drv'...