these 6 derivations will be built:
  /nix/store/4n9jsxvbar7vbqsw08r4q3nzrjknkln2-iets-0.1.0.drv
  /nix/store/siskfn4f7jhbcpziz8ca2wjv6awzp9d1-closure-info.drv
  /nix/store/hl09x2g0qd6hssz5qcmw3lm3rmf8apd9-test-script.drv
  /nix/store/ad19gd9whi8wfira59ffxmn6294kw3fh-driverConfiguration.json.drv
  /nix/store/8ivd7sgl7my8qff527iwkww639jq20aj-nixos-test-driver-iets-flaketest.drv
  /nix/store/c60zbd2pkj4zi35qqlys5gqxgs5n8v6s-container-test-run-iets-flaketest.drv