these 5 derivations will be built:
  /nix/store/7ma2ya7fdy771am0gjsxyzsdvwjxvgbn-closure-info.drv
  /nix/store/x8l5czy5pczwvi6fgm7qr66g6v0v8wvx-test-script.drv
  /nix/store/m1dp55ah6pz2xpxr2ylj4q4iryy4d2jr-driverConfiguration.json.drv
  /nix/store/q121z7a1gmxxwmjs88akdxzhni5y9m5k-nixos-test-driver-iets-cachetest.drv
  /nix/store/8lr0s1vnp0xmf3jgyjy4v1bywwxdqicl-container-test-run-iets-cachetest.drv