this derivation will be built: /nix/store/bilsd0lzhp2zmsp16i1arxw63nwl86k1-bcachefs-module-7.0.0-39-generic.drv building '/nix/store/bilsd0lzhp2zmsp16i1arxw63nwl86k1-bcachefs-module-7.0.0-39-generic.drv'...