this derivation will be built:
  /nix/store/34xkrpmp6720qg60nfi4lnrqsg529d41-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/34xkrpmp6720qg60nfi4lnrqsg529d41-bcachefs-module-7.0.0-34-generic.drv'...