these 4 derivations will be built:
  /nix/store/cn76wv6q86zvglk5v62ylsddhxapjlzw-iets-fuzz-diff-0.0.0.drv
  /nix/store/ycmn93wvdr5casifln9l0h4g91gn0yr4-iets-0.1.0.drv
  /nix/store/x9k0h0r7b2iwg6783gmnh4vvpqqk8a9r-iets-conformance-adapter.drv
  /nix/store/d4p0bv226xnpz22amzlgydcvxnzg1p34-nix-conformance-iets.drv