this derivation will be built:
  /nix/store/rs4cry5gaqxw259516w715v9dvmg8qsd-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/rs4cry5gaqxw259516w715v9dvmg8qsd-bcachefs-module-7.0.0-38-generic.drv'...