this derivation will be built:
  /nix/store/f6f749y5ax511x1snbzwvav01vvkbvym-bcachefs-module-7.0.0-34-generic-64k.drv
building '/nix/store/f6f749y5ax511x1snbzwvav01vvkbvym-bcachefs-module-7.0.0-34-generic-64k.drv'...