these 6 derivations will be built:
  /nix/store/aqy3j68hvrhk4ikywr721fp2yz8sn9qb-iets-0.1.0.drv
  /nix/store/xs7ry7pjsirsmksa9nv2l1nrmgjx7zgd-closure-info.drv
  /nix/store/1wgalk8qf20d4gbx84imfs361rq40wca-test-script.drv
  /nix/store/724aj1nv8mmr4yhaigma8a41jhssb7nb-driverConfiguration.json.drv
  /nix/store/flv0w8dvjnpy09mbqvkqwmg848yxvndi-nixos-test-driver-iets-prefetch-e2e.drv
  /nix/store/h71g9liy5zvwp9ny9xnx3qg3mfh9g0cc-container-test-run-iets-prefetch-e2e.drv