these 2 derivations will be built:
  /nix/store/8xsfy9b5ynnymvrvw5q0b3fsqaylnrsm-nix-grpc-store-0.1.0.drv
  /nix/store/yvcvqq7fn3r718zb3h00w3rcvqg3znnw-nix-grpc-store-exit-stress.drv