these 2 derivations will be built:
  /nix/store/zzk3kzhc4vfaqxg7ndb29frv1swvk8vb-nix-grpc-store-0.1.0.drv
  /nix/store/qfzjwp2ckkbd151agmbka1s3yrka74iq-nix-grpc-store-exit-stress.drv