these 5 derivations will be built:
  /nix/store/fvx8q1m86iysw4rw84wmdpqpxgaw9waf-closure-info.drv
  /nix/store/gf7w6921kgif9i6dp3dai4y3fhfnmws9-test-script.drv
  /nix/store/m38vmlskv5m42833w4in5md24lcrp0lw-driverConfiguration.json.drv
  /nix/store/4m7f4ppx2iqri3c9gds7qkny5niwz6i9-nixos-test-driver-iets-cachetest.drv
  /nix/store/kqny22ndrdw5dbgibvxs3mzzdbf6ld9b-container-test-run-iets-cachetest.drv