stm32wl-nucleo gives
```
ERROR probe_rs::cmd::run: Failed to attach to RTT continuing...    
Frame 0: pad_integral @ 0x08014422
       /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/fmt/mod.rs:1663:6
Error: CPU halted unexpectedly.
```