this derivation will be built:
  /nix/store/kfbp8zfbydjssjyzg9l6n30r2sfnvhyi-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/kfbp8zfbydjssjyzg9l6n30r2sfnvhyi-bcachefs-module-7.0.0-29-generic.drv'...