these 6 derivations will be built:
  /nix/store/kdkxvgv9px0rrd0c57dp3i6m8dzahf7y-iets-0.1.0.drv
  /nix/store/2n07bdsbyay63xk6wkff6sxvb1q21i9v-closure-info.drv
  /nix/store/dkmcb4acs2nh5hcjz2yxahm1ccvp35wy-test-script.drv
  /nix/store/w65ln4rmjlncvsxk54yjn00qmygwa7lp-driverConfiguration.json.drv
  /nix/store/ans2db6sg46yjp0db2kijvajn6rx5q6b-nixos-test-driver-iets-grpc-e2e.drv
  /nix/store/fhcqwz3cv9ivm4mkljcbwz4dr9pd4lp2-container-test-run-iets-grpc-e2e.drv