these 2 derivations will be built:
  /nix/store/4lvwjmm3ixmjx9caacfwfqcm7cxpksab-mistral-vibe-3.0.2.drv
  /nix/store/gxdydb0cn3r7saacdd73dm1s1kk6yj4j-check-mistral-vibe.drv