these 2 derivations will be built:
  /nix/store/smkj8hf60qb5wcgx2h9w9vv7bjx25d3j-nix-grpc-store-0.1.0-beta.1.drv
  /nix/store/szysggv0vpw05wnbwkl72zzs5kij0bnw-nix-grpc-store-exit-stress.drv