these 6 derivations will be built:
  /nix/store/vfwcha69043j8gwn39ad8nsmqqr3w7mg-iets-0.1.0.drv
  /nix/store/zqn45wp550h6bkvgvyc0996adfn91vss-closure-info.drv
  /nix/store/gpgvg1ns3jgb76hyd042s1dn344pydzv-test-script.drv
  /nix/store/zxwyag404qg9bhl6qqxc7pr50fxn6yrn-driverConfiguration.json.drv
  /nix/store/qiihwfq2zjkb2nidy4w6bwicyi84pm9y-nixos-test-driver-iets-cachetest.drv
  /nix/store/hh15ya3cx887gyg3q41xsl2yqsqbz39v-container-test-run-iets-cachetest.drv