these 6 derivations will be built:
  /nix/store/s0s4931jiasw2kwx3mvs0w5cijxm6bwq-iets-0.1.0.drv
  /nix/store/my8sdsm71fksnxlmcwgn1b41r9ps8b9n-closure-info.drv
  /nix/store/n2r6pb215i0y95zq5nigmijxywrhzlg0-test-script.drv
  /nix/store/cjak4p42yrqi57k1jdpkhz30k53g2bmf-driverConfiguration.json.drv
  /nix/store/xha521y42n09zcb7j0skacpbd4b5yr44-nixos-test-driver-iets-flaketest.drv
  /nix/store/zzschaqb3bl9n0y0cw8n5hg5m1s9z1x5-container-test-run-iets-flaketest.drv