[Pkg-rust-maintainers] rust-nitrokey is marked for autoremoval from testing

[Debian testing autoremoval watch]

rust-nitrokey 0.3.4-1 is marked for autoremoval from testing on 2020-01-22

It (build-)depends on packages with these RC bugs:
946465: librust-rand+alloc-dev: librust-rand+alloc-dev: does not find upgrade path from buster to bullseye