this derivation will be built: /nix/store/cdi24r6vd3sp5zb1nxwq5gmg163bpd6f-bcachefs-module-7.0.0-38-generic.drv building '/nix/store/cdi24r6vd3sp5zb1nxwq5gmg163bpd6f-bcachefs-module-7.0.0-38-generic.drv'...