this derivation will be built:
  /nix/store/rj1lvjk67ygqx6jx1cxwlxgmy4q1bhm7-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/rj1lvjk67ygqx6jx1cxwlxgmy4q1bhm7-bcachefs-module-7.0.0-38-generic.drv'...