RUSTSEC-2020-0005: cbox: CBox API allows to de-reference raw pointers without `unsafe` code

Description

CBox and CSemiBox are part of the public API of the cbox crate and they allow to create smart pointers from raw pointers and de-reference them without the need of unsafe code.

More Info

https://github.com/TomBebbington/cbox-rs/issues/2

Patched Versions