this derivation will be built:
  /nix/store/3nxw7d6nz6zk2kpl2x6b6j61403kczzd-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/3nxw7d6nz6zk2kpl2x6b6j61403kczzd-bcachefs-module-7.0.0-39-generic.drv'...