these 4 derivations will be built:
  /nix/store/8gvc19sfbcf47y7fbdy8vqdsc9rvs1b9-iets-fuzz-diff-0.0.0.drv
  /nix/store/ma1bqzqggnazpp96kfrd94dwzamr1q5s-iets-0.1.0.drv
  /nix/store/ih4148200v6nmiyaxris920mdqfbwnvp-iets-conformance-adapter.drv
  /nix/store/wrm08j08x9y0gaaq52fxnb5rswpdxvx5-nix-conformance-iets.drv