these 2 derivations will be built:
  /nix/store/g0sfqr6i2cdvkh917f50m6bs3s2m1id5-nix-grpc-store-0.1.0.drv
  /nix/store/3i8qi03fcshgrlcbk3rkc3whjmcy4rs3-nix-grpc-store-exit-stress.drv