this derivation will be built:
  /nix/store/9hzkn6lzs8wmxfpk8985k1kg7p9iyc73-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/9hzkn6lzs8wmxfpk8985k1kg7p9iyc73-bcachefs-module-7.0.0-39-generic.drv'...