these 2 derivations will be built:
  /nix/store/19lmhal0gc5grx1sppw0ja8vvaa9w8q3-nix-grpc-store-0.1.0.drv
  /nix/store/9nyxd67080hgm9pip6d2q9zk08fybb8x-nix-grpc-store-exit-stress.drv