these 6 derivations will be built:
  /nix/store/zwd8nl3hba2rskf79az35miqqkpy4wbv-iets-0.1.0.drv
  /nix/store/sq3pzgxx7ph2lip0c2jjyl6nf9c43dch-closure-info.drv
  /nix/store/z1hlb9mx0v5walllzxq7rs6di6wwhq32-test-script.drv
  /nix/store/0msymc9v1sa5xf338w8g2wzpaajy9yyb-driverConfiguration.json.drv
  /nix/store/cz5d72afbk2giwvwwjn8dbnqm86cl42w-nixos-test-driver-iets-flaketest.drv
  /nix/store/wnfh3cawkngjc3h6bfkwcx2rs7wn7xs8-container-test-run-iets-flaketest.drv