these 2 derivations will be built:
  /nix/store/yqc74fqdq0h88d1nbs5mcygkpxvzdi1z-nix-grpc-store-0.2.1.drv
  /nix/store/c52j46w7id3k70r7hsll3bm7kpcszwin-nix-grpc-store-exit-stress.drv