Update or replace traitobject and typemap

[dbrgn]

$ cargo check --future-incompat-report
    Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.03s
warning: the following packages contain code that will be rejected by a future version of Rust: traitobject v0.1.0, typemap v0.3.3
note:
To solve this problem, you can try the following approaches:


- If the issue is not solved by updating the dependencies, a fix has to be
implemented by those dependencies. You can help with that by notifying the
maintainers of this problem (e.g. by creating a bug report) or by proposing a
fix to the maintainers (e.g. by creating a pull request):

  - [email protected]
  - Repository: https://github.com/reem/rust-traitobject.git
  - Detailed warning command: `cargo report future-incompatibilities --id 2 --package [email protected]`

  - [email protected]
  - Repository: https://github.com/reem/rust-typemap
  - Detailed warning command: `cargo report future-incompatibilities --id 2 --package [email protected]`

- If waiting for an upstream fix is not an option, you can use the `[patch]`
section in `Cargo.toml` to use your own version of the dependency. For more
information, see:
https://doc.rust-lang.org/cargo/reference/overriding-dependencies.html#the-patch-section

note: this report can be shown with `cargo report future-incompatibilities --id 1`