these 6 derivations will be built:
  /nix/store/adyn7ai8pbgm9xbbg57gwc2g7mcprggv-iets-0.1.0.drv
  /nix/store/zi05x6h4njjbff8q8p1di12waam4kr8m-closure-info.drv
  /nix/store/irf47rl1cshc0hrh4x3ci1hizx199rq7-test-script.drv
  /nix/store/133q3lr8viqp8yh0z9rjq1a3jg3zv2rd-driverConfiguration.json.drv
  /nix/store/7pr5k2vnbjl3415kdvw9y4zg4sv42v2n-nixos-test-driver-iets-cachetest.drv
  /nix/store/db255m0i8c4x01p1rg1hd5jjyxhb4m0g-container-test-run-iets-cachetest.drv