these 6 derivations will be built:
  /nix/store/1m0vidkikvfacdmy9p7m27min02axija-iets-0.1.0.drv
  /nix/store/plv1npjl8sbdinfb4zqqwhjw74y7hq0w-closure-info.drv
  /nix/store/wnbsf8y4sqfcv6yv7v9xggicw95fml3j-test-script.drv
  /nix/store/mhpr0y4p87gw6rlh50abn5qvsp3w5gc8-driverConfiguration.json.drv
  /nix/store/m8c4n7za71dfd5nad7jv8vwqz1k7fhj4-nixos-test-driver-iets-plumbing-e2e.drv
  /nix/store/ckm54dphsn7vx71c5v6fjm2p3bix6ylk-container-test-run-iets-plumbing-e2e.drv