these 4 derivations will be built:
  /nix/store/1cg1gfbkplhmajcg66ish0ax3rbzb3xb-iets-0.1.0.drv
  /nix/store/4kkvzzshg9ppv85wl4ks99c0g26h4s9w-iets-fuzz-diff-0.0.0.drv
  /nix/store/gbkyqq0gv0lcb1w671vjd9a56zs5qfkr-iets-conformance-adapter.drv
  /nix/store/wy46pp705fxx8aj1fi0xn1riama1vm3l-nix-conformance-iets.drv