this derivation will be built:
  /nix/store/j01q7gx391hnygamqvc3jb8zs3gm9iqc-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/j01q7gx391hnygamqvc3jb8zs3gm9iqc-bcachefs-module-7.0.0-31-generic.drv'...