this derivation will be built:
  /nix/store/piwci82iq57lrqwwcqm7w95g8qxl8k4v-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/piwci82iq57lrqwwcqm7w95g8qxl8k4v-bcachefs-module-7.0.0-34-generic.drv'...