this derivation will be built:
  /nix/store/2rw3qn4q2b7yc837k9iln6c3if46hwzq-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/2rw3qn4q2b7yc837k9iln6c3if46hwzq-bcachefs-module-7.0.0-31-generic.drv'...