this derivation will be built:
  /nix/store/4yhca1006ryw7307iqc2lq2q4h4b7c7l-bcachefs-module-7.1.5+deb14-rt-arm64.drv
building '/nix/store/4yhca1006ryw7307iqc2lq2q4h4b7c7l-bcachefs-module-7.1.5+deb14-rt-arm64.drv'...