autmotive (plastered with 1bn+$ companies) is actively exploring rust for functional safety, via AUTOSAR, and adacore and ferrous systems partner up for rust in ada-affine industries.
rust has this lovely habit of validating their compiler updates with their full collection of libraries, that's one step ahead of the validation contribution of SUSE, redhat, debian, canonical for common, linux packaged C/C++ libraries, because it happens on multiple OSs.