this derivation will be built:
  /nix/store/mqy2my2hnp1p6a9wkzcjvfb7zvv375df-bcachefs-module-7.0.0-29-generic-64k.drv
building '/nix/store/mqy2my2hnp1p6a9wkzcjvfb7zvv375df-bcachefs-module-7.0.0-29-generic-64k.drv'...