these 6 derivations will be built:
  /nix/store/0jpixj59pj9c1ibqzz5zwymf79yqpk1y-iets-0.1.0.drv
  /nix/store/vpdcbcffw4hjl1c7nfl7cmvy41cikrh6-closure-info.drv
  /nix/store/jcb30m9jdl28sr1w9rsvf7n7hwkjii2n-test-script.drv
  /nix/store/y5r22frsn80vahw4sil39sc9vydfnghd-driverConfiguration.json.drv
  /nix/store/2rwxr1289z7bkkx6bzr8ykm3z7w7ls1j-nixos-test-driver-iets-flaketest.drv
  /nix/store/615q4qx6gfgv4vmaqd12vxb648a1vns7-container-test-run-iets-flaketest.drv