this derivation will be built:
  /nix/store/qfqy38f4kjbjh4b790pb2z7371gq0vjn-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/qfqy38f4kjbjh4b790pb2z7371gq0vjn-bcachefs-module-7.0.0-29-generic.drv'...