these 3 derivations will be built:
  /nix/store/p7p27ilqldafqq9qx2m10ngz95lj4cam-driverConfiguration.json.drv
  /nix/store/33wb9rc9il65cmcvfdylslc8igsmknr8-nixos-test-driver-nix-grpc-farm.drv
  /nix/store/ry16pyn61pziig79lgzinyk3w0ssxmnj-vm-test-run-nix-grpc-farm.drv