these 6 derivations will be built:
  /nix/store/ai04l7sxlidm08zgvnlragrg9zr3k4w5-iets-0.1.0.drv
  /nix/store/a78zz0cfwd2rqdzdkf4wc8wiy63zjl79-closure-info.drv
  /nix/store/09nivq4am6rzavrlgmdmw1xpb9l9q0qw-test-script.drv
  /nix/store/jhlwkckb25g2a7x6dmv7mhlqbjllra2a-driverConfiguration.json.drv
  /nix/store/v5anrdg5vcnj8x8943svw5nczmgv5g11-nixos-test-driver-iets-prefetch-e2e.drv
  /nix/store/lfyqbljr99s0bsrfcz98y56pffcivwks-container-test-run-iets-prefetch-e2e.drv