these 6 derivations will be built:
  /nix/store/fk8spr0prc1c35yf2bmchnnk9xq6ji0f-iets-0.1.0.drv
  /nix/store/9c3qp6lmiy6mklm6kgcc0fiis44clgif-closure-info.drv
  /nix/store/jy9v67smv4zg9iaps09c60kjlrfznrqs-test-script.drv
  /nix/store/spnbbfi09lwhkzvzq4vm871h9wbhnicg-driverConfiguration.json.drv
  /nix/store/5brn7v9mfn5ibmh0krk5nl96flgdp8hz-nixos-test-driver-iets-plumbing-e2e.drv
  /nix/store/zpfk9sws47rskz2zyyb8ggv022s2pyfl-container-test-run-iets-plumbing-e2e.drv