these 2 derivations will be built:
  /nix/store/h4pv4k6rvs57qv31qy8bxsh7w2gqjn8s-open-code-review-1.13.7.drv
  /nix/store/5pfy20jj7lk7jxgp3yy79ncj83qam088-check-open-code-review.drv