these 4 derivations will be built:
  /nix/store/a5iqbzy47x253sdqxyczp5ajpx3xx20w-iets-0.1.0.drv
  /nix/store/j9ra05s9xyp024d79nk0g1nk60bxyj03-iets-fuzz-diff-0.0.0.drv
  /nix/store/1cbjqlsvr1slcps02rc7954avm989gbg-iets-conformance-adapter.drv
  /nix/store/wr11lrbx8rxvl2q20qxz5byjvsw981p6-nix-conformance-iets.drv