these 6 derivations will be built:
  /nix/store/iprn2rf3b33yga7drscc1avhgavd7qc0-iets-0.1.0.drv
  /nix/store/82shb4phr2442swprdf7jb3mkkvnwy95-closure-info.drv
  /nix/store/dkkfifmx6mzy2g8ar09hq0ykj30l0vdb-test-script.drv
  /nix/store/qb78xnklq1lkii8rp9nnqz62xpssisc9-driverConfiguration.json.drv
  /nix/store/s1wl54wyln9nn9hqbc18za2xysic3k5r-nixos-test-driver-iets-flaketest.drv
  /nix/store/qj0jfvj8ifxav73qlym20gq4xb8zndmi-container-test-run-iets-flaketest.drv