I'm exaggerating a little, but more power to those of you who suffer through it!
Ferrous Systems is making some good progress to make certification of Rust happen, through ferrocene[0] and other initiatives, but it will take time.
The only company I know using Rust in a sort-of embedded way is SoloKeys[1], using Rust to write the firmware of a hardware authentication token (similar to a yubikey).
Typically the real time space is very conservative on what types of changes are implemented, and that's largely because a lot of rt software exists on safety critical systems that need to be supported for decades.
Its pretty great to be honest, I think I would have a hard time going back to C/++
Several automotive companies have been hiring for Rust, though what exactly they’re using it for isn’t as well known publicly yet.
There have been a few aerospace projects. And at least one train project, IIRC?
I find embedded really rewarding. A 20 year old embedded-C code base generally follows the same design patterns and coding conventions and styles that you'd use today, and don't feel "old" or like they need to be rewritten. A 7 year old JS code base, on the other hand, is largely outdated, and may be written in a nearly extinct framework by the time it is your turn to maintain it. If you get tired of giving up time on the weekends so you can learn a new framework, consider hopping over!