these 4 derivations will be built:
  /nix/store/av4b7zbnazi58bpy1fxs0z1yfwvl2m55-iets-fuzz-diff-0.0.0.drv
  /nix/store/nv2paljbbd5ar424yjqdanjbcr6bywm4-iets-0.1.0.drv
  /nix/store/9hmm8pgppva1x19hvdwbdrch5g6097kn-iets-conformance-adapter.drv
  /nix/store/00nzpy0z9sgbdkah6pbiqf0b0kc8062b-nix-conformance-iets.drv