these 6 derivations will be built:
  /nix/store/qps875p880fzwax8m2n1sp2kxcyvdhs2-iets-0.1.0.drv
  /nix/store/rbpz442gyxnkqj01vsc7rwrjlxxf38ci-closure-info.drv
  /nix/store/lngkvb640gsyaa4bjnkcmsk15njaz9cq-test-script.drv
  /nix/store/13i476fssyihz6mxi16sxvq6vjlhvb40-driverConfiguration.json.drv
  /nix/store/7ak3ns2k9l9q7qvhvf49inyvpihhpy4b-nixos-test-driver-iets-flaketest.drv
  /nix/store/4zrf59gbv75fjc6wv6q8d57zrsq4p1jz-container-test-run-iets-flaketest.drv