Disable access to the standard allocator using `rust_library`?

Is it possible to disable access to the standard allocator using `rust_library`?

Context: I'd like to make access require an explicit opt-in, as a way to force engineers at my company to avoid allocating wherever possible. We have a wrapper around `rust_library` already that is used everywhere, so I was hoping to make an argument to this wrapper, e.g. `allow_alloc` with a default of `False`. That way if you really need to allocate, you would add `allow_alloc=True` and provide a justification comment. But I'm not sure what to pass to the underlying `rust_library` to achieve this...

Any help would be appreciated!