this derivation will be built:
  /nix/store/7swr7nrg2zym0gx9zgc9pr9bmll836sm-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/7swr7nrg2zym0gx9zgc9pr9bmll836sm-bcachefs-module-7.0.0-31-generic.drv'...