this derivation will be built:
  /nix/store/yfm18ms6ahy1rf07ayn46wjgwiin0yd2-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/yfm18ms6ahy1rf07ayn46wjgwiin0yd2-bcachefs-module-7.0.0-38-generic.drv'...