this derivation will be built:
  /nix/store/h3k38y946f6m0ahg4nfw73x426vjz8my-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/h3k38y946f6m0ahg4nfw73x426vjz8my-bcachefs-module-7.0.0-31-generic.drv'...