this derivation will be built: /nix/store/18fm6xdpvq1n5drv1v9y1jwim4f6lbc2-bcachefs-module-7.0.0-30-generic.drv building '/nix/store/18fm6xdpvq1n5drv1v9y1jwim4f6lbc2-bcachefs-module-7.0.0-30-generic.drv'...