At a first glance, Rust's --target option seems like a very convenient way to build your project for various targets. But when you actually try to use it, it quickly turns out that this does not work most of the time for any --target other then than your current build platform 🙄 For example, I am building on a Linux (64-Bit) system and I want to use --target=x86_64-unknown-freebsd to create a FreeBSD binary, but this fails with: error[E0463]: can't find crate for `core` | = note:...