these 2 derivations will be built:
  /nix/store/3q4w11ylpnji82lb2836zvkn5hh3jvxm-nix-grpc-store-0.1.0.drv
  /nix/store/mvfs5qwmrqc0svqzdr2ry1c5xrv605ym-nix-grpc-store-exit-stress.drv