this derivation will be built:
  /nix/store/k4k9m2aygg1slhw49sqkw6pp522hb28p-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/k4k9m2aygg1slhw49sqkw6pp522hb28p-bcachefs-module-7.0.0-28-generic.drv'...