these 3 derivations will be built:
  /nix/store/vmh424wglkk6bg1i1lxhgyhy6yic1p1h-iets-fuzz-diff-0.0.0.drv
  /nix/store/4s48kj31zdq4jmyfxmxbzwm4nl36ci48-iets-conformance-adapter.drv
  /nix/store/snrc0sp5yninzgiya8vhiv38qnqrzqyf-nix-conformance-iets.drv