these 2 derivations will be built:
  /nix/store/dk9y1yzl7j3x0f9lv1hpvp5g6ysb89kx-sidecar-1.17.1.drv
  /nix/store/fybh1pbbgap0c1mmysdchjzmqn9f1w6d-check-sidecar.drv