these 4 derivations will be built:
  /nix/store/jb6d06n0ma23jzf86j8m2w94jdk910k3-iets-fuzz-diff-0.0.0.drv
  /nix/store/jzjvcydjndj77incfrgi7b4wb70khyqz-iets-0.1.0.drv
  /nix/store/ryy4p557yk3vd3yrr9b1926kbyr1j9w7-iets-conformance-adapter.drv
  /nix/store/92zvxwhir2lc4f1acklyyk6i4nwy9jb1-nix-conformance-iets.drv