these 2 derivations will be built:
  /nix/store/vbm5hf2akj51w397aahw7yb275wpj0p0-nix-grpc-store-0.1.0.drv
  /nix/store/hbl1f5333py3p5kcr668kl41g4gc55zx-nix-grpc-store-exit-stress.drv