this derivation will be built:
  /nix/store/r168yn376xhfr3jk8bir5qxnj8nhpaqr-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/r168yn376xhfr3jk8bir5qxnj8nhpaqr-bcachefs-module-7.0.0-31-generic.drv'...