this derivation will be built:
  /nix/store/n9zswmjhs8kjmq5qa7kqibc6632jvd0z-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/n9zswmjhs8kjmq5qa7kqibc6632jvd0z-bcachefs-module-7.0.0-31-generic.drv'...