Enable rt feature.

Fixes weird crash in rtic.

Author: thejpster

Cargo.toml

@@ -14,7 +14,7 @@ defmt = "0.2.0"
 defmt-rtt = "0.2.0"
 cortex-m-rtic = "0.5"
 panic-probe = { version = "0.2.0", features = ["print-defmt"] }
-stm32f0xx-hal = { version = "0.17", features = ["stm32f031"] }
+stm32f0xx-hal = { version = "0.17", features = ["stm32f031", "rt"] }
 
 
 [features]