this derivation will be built:
  /nix/store/kkbjqn008vw9jhf3sgaf6q8946095bxg-bcachefs-module-7.0.0-29-generic-64k.drv
building '/nix/store/kkbjqn008vw9jhf3sgaf6q8946095bxg-bcachefs-module-7.0.0-29-generic-64k.drv'...