these 6 derivations will be built:
  /nix/store/w8b33kzjalxq5ds6qfmrrrpfswfxr64j-iets-0.1.0.drv
  /nix/store/axhc2ailzi0y5dbkciznq2367rxazycx-closure-info.drv
  /nix/store/pg9fw1a1qm47nz6l3nvyps99jwa83d14-test-script.drv
  /nix/store/9qzjp7g3yz51panspzl6mvjbky944j78-driverConfiguration.json.drv
  /nix/store/5aximhlwm4nnv3g2m2a0flqqna8lwji9-nixos-test-driver-iets-prefetch-e2e.drv
  /nix/store/w3v3d7xrddn5vhjlwxlhq4v4r4glkys0-container-test-run-iets-prefetch-e2e.drv