these 4 derivations will be built:
  /nix/store/b1kk9fbzilbmmdc4i6shny8r13s1x16q-iets-0.1.0.drv
  /nix/store/wv1w5qgm84kraain8rlkbgfgqkwxwxp9-iets-fuzz-diff-0.0.0.drv
  /nix/store/zwsy0bl02klikxwwz7chfcl57yafbaxf-iets-conformance-adapter.drv
  /nix/store/wpzcjzljbh35hh2m0nh3zymxp1bxmcsm-nix-conformance-iets.drv