these 5 derivations will be built:
  /nix/store/ida78mhpxj1fhl0aqhpplsg97wp30q4s-closure-info.drv
  /nix/store/4jjy9578pqjqfkjkwghzyfimac7cm1i1-test-script.drv
  /nix/store/fn7kc83h7l6kkrvl167sik73r9a0cpg2-driverConfiguration.json.drv
  /nix/store/4fv6izxnv1190fp93q161cfzlbk298zg-nixos-test-driver-iets-cachetest.drv
  /nix/store/zcmn79fa808i8l4x0dq65ik6sc26813x-container-test-run-iets-cachetest.drv