these 6 derivations will be built:
  /nix/store/psyff3azffag4y4dn6yf3qx2v7zf2277-iets-0.1.0.drv
  /nix/store/yvjpfdv1l1vp7farq3av0l6zkr1kzyb8-closure-info.drv
  /nix/store/8n3s4vsvx2jm2kkb1p9dxs4mab8wqwry-test-script.drv
  /nix/store/rbspf9p7snqqg5ldi54awfzqb0gs6rs6-driverConfiguration.json.drv
  /nix/store/7nd45bcrmfd5cxnhpdgmcarvz78hn5sd-nixos-test-driver-iets-classic-e2e.drv
  /nix/store/p7gdbz9fig2g6ijkfwifw3h1dc00xl3y-container-test-run-iets-classic-e2e.drv