these 4 derivations will be built:
  /nix/store/3sld0lm12c18fb9a2hbh3k1xx3sydvks-iets-0.2.0.drv
  /nix/store/brf64sb8y39kgigvk7v4px8wki2a30r6-iets-fuzz-diff-0.0.0.drv
  /nix/store/n3pxzxlywlq9w0zcp1lri7bqrv771hg4-iets-conformance-adapter.drv
  /nix/store/ca0jmsck22kishywqjhjj9pakjisq2ai-nix-conformance-iets.drv