these 4 derivations will be built:
  /nix/store/wgmjzpi5h1bvccrdz9dlv7j045iiph1h-test-script.drv
  /nix/store/6ixj5ij1ihlcdl0h19xhgcm824q3r1i6-driverConfiguration.json.drv
  /nix/store/79lganl7kw3xs6ag493k1q6yxh04iy8s-nixos-test-driver-iets-cachetest.drv
  /nix/store/0ffmnh7gc4gp5d1di95q1xd261nlvach-container-test-run-iets-cachetest.drv