this derivation will be built:
  /nix/store/7yvh1xsybbx2pbsz7f68664l336jjma0-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/7yvh1xsybbx2pbsz7f68664l336jjma0-bcachefs-module-7.0.0-31-generic.drv'...