these 2 derivations will be built:
  /nix/store/pnj6wmd465gbg6n9hc884wjzkqmbl71w-mistral-vibe-3.0.0.drv
  /nix/store/2wi2a33h1ycsaj3rrg98j2f4ygii9xfq-check-mistral-vibe.drv