these 4 derivations will be built:
  /nix/store/5h5b5sp96xnbqzcw663kw9l7p0ijbp3q-iets-fuzz-diff-0.0.0.drv
  /nix/store/81fq1r3ywj524dgl18hrbvq63bjbq5jy-iets-0.1.0.drv
  /nix/store/qzacm3ghns6msbz5gd2by33bnx7qm3kg-iets-conformance-adapter.drv
  /nix/store/8flnmzwy6z4lvk101njs49nzr54dl25y-nix-conformance-iets.drv