Code that will be rejected by a future version of Rust

[IgnisDa]

One of the dependencies (through the dependency tree) - traitobject is now outdated:

Here is the reverse tree of the offending package:

[tailhook]

I'm aware of this. But I think this future incompatiblity is just theoretical at this point. In the meantime I'm thinking if there a good replacement for typemap? Or is the only option is to go with less generic code and fixed structures?

[tailhook]

Note to myself: tiny layer of abstraction on top of HashMap<TypeId, Box<Any>> works without any unsafe code.