this derivation will be built:
  /nix/store/iail3ldbccd30d296fxyxaf6jrz96hiw-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/iail3ldbccd30d296fxyxaf6jrz96hiw-bcachefs-module-7.0.0-39-generic.drv'...