this derivation will be built:
  /nix/store/gzx2mvdgvclz966fzdq6hnw5iqx3kgnk-bcachefs-module-7.0.0-29-generic-64k.drv
building '/nix/store/gzx2mvdgvclz966fzdq6hnw5iqx3kgnk-bcachefs-module-7.0.0-29-generic-64k.drv'...