this derivation will be built:
  /nix/store/3xywkb4kk4vylvpb6y2mrnn68dfyhrww-bcachefs-module-7.0.0-26-generic.drv
building '/nix/store/3xywkb4kk4vylvpb6y2mrnn68dfyhrww-bcachefs-module-7.0.0-26-generic.drv'...