these 4 derivations will be built:
  /nix/store/28c5vwkgpmyh0j2px4h64jzfs16ji97c-iets-0.1.0.drv
  /nix/store/ggsdnj5a4xj0zqnz68qfg688bv96gqzh-iets-fuzz-diff-0.0.0.drv
  /nix/store/0l8hdqwy69dhgpcfzghlq632vhw87cf8-iets-conformance-adapter.drv
  /nix/store/yfiqh8pi2hsy804jqd7f0as39npvgg0r-nix-conformance-iets.drv