As a side question to this one, I would like to know if something is available to freeze required compiler version and toolchain (preferably specific per platform) in cargo.toml (or alternative), so that every developer builds fresh project clone with the same rust compiler and tool chain? If it is not available, how this can be achieved?
PS: If you know scala world, you might see it as an analogy of declaration of required scala compiler version and required sbt version, used to built a project. So, for rust it would be declaration of required rust compiler version, toolchain and cargo. 3rd party cargo tools are covered in the referred above thread.