this derivation will be built:
  /nix/store/9l5mr6az56r8rircz5frwxc2s9agcqwh-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/9l5mr6az56r8rircz5frwxc2s9agcqwh-bcachefs-module-7.0.0-31-generic.drv'...