I'm sure Rust works great :) But vcpkg was made by Microsoft and I suspect is rather easy to get working on that platform. On the other hand, I've used conan and had no problem e.g. getting FFmpeg working. And, thanks to conan's awesomeness, I can even make it work with clang on windows -- so that e.g. I can use all the latest c++17 features on a library like Boost.Hana and range-v3 (of Eric Niebler fame).