these 2 derivations will be built:
  /nix/store/afmms2bnz7wqp1wddx82jipw0kvk1ygx-nix-grpc-store-0.2.2.drv
  /nix/store/rw96nmmrdnwixy2nf3m2fy43h1rxmz0c-nix-grpc-store-exit-stress.drv