these 4 derivations will be built:
  /nix/store/0ba3d7m3l0aq40whirvr6v3waiqvafva-iets-0.1.0.drv
  /nix/store/41q9qvag71vj10dyc9ks3hdwinzk510d-iets-fuzz-diff-0.0.0.drv
  /nix/store/82728kgf2xmzwk6qd8ss8kqdncbvwkq2-iets-conformance-adapter.drv
  /nix/store/mbwgw3l29rvp0fvzgq03kgrzapp8x8jw-nix-conformance-iets.drv