this derivation will be built:
  /nix/store/k1lhw7qlvbicrn6m9jr36j2hwpvdnvai-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/k1lhw7qlvbicrn6m9jr36j2hwpvdnvai-bcachefs-module-7.0.0-39-generic.drv'...