this derivation will be built:
  /nix/store/p4863fqmlajg2kjb0ajhjc1j5v76i606-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/p4863fqmlajg2kjb0ajhjc1j5v76i606-bcachefs-module-7.0.0-31-generic.drv'...