Fix all warnings on embassy-rp and embassy-rp-examples and

embassy-std-examples

embassy-std-examples/src/bin/serial.rs

@@ -1,6 +1,7 @@
 #![feature(min_type_alias_impl_trait)]
 #![feature(impl_trait_in_bindings)]
 #![feature(type_alias_impl_trait)]
+#![allow(incomplete_features)]
 
 #[path = "../serial_port.rs"]
 mod serial_port;

embassy-std-examples/src/bin/tick.rs

@@ -1,6 +1,7 @@
 #![feature(min_type_alias_impl_trait)]
 #![feature(impl_trait_in_bindings)]
 #![feature(type_alias_impl_trait)]
+#![allow(incomplete_features)]
 
 use embassy::time::{Duration, Timer};
 use embassy::util::Forever;