these 6 derivations will be built:
  /nix/store/sh16gh8pp92zfwqmsqfcvla2vqsz5das-iets-0.1.0.drv
  /nix/store/7sh7350sw294w83yi3in3fk7df4glbrh-closure-info.drv
  /nix/store/igaglmgzq9qkkgvclc9brlz3fpscpknr-test-script.drv
  /nix/store/lh61niy3djbc204n1ixwkai0dkwgn5lg-driverConfiguration.json.drv
  /nix/store/4g6mqrp890w0hxdshffpnz899x6r8rab-nixos-test-driver-iets-prefetch-e2e.drv
  /nix/store/qy2j17hbkyfw13m5hdnpaasw8hnyfjrz-container-test-run-iets-prefetch-e2e.drv