Update Rust nightly.

examples/stm32wl/src/bin/lora_lorawan.rs

@@ -4,7 +4,6 @@
 #![no_main]
 #![macro_use]
 #![feature(type_alias_impl_trait, async_fn_in_trait)]
-#![allow(incomplete_features)]
 
 use defmt::info;
 use embassy_executor::Spawner;

examples/stm32wl/src/bin/lora_p2p_receive.rs

@@ -4,7 +4,6 @@
 #![no_main]
 #![macro_use]
 #![feature(type_alias_impl_trait, async_fn_in_trait)]
-#![allow(incomplete_features)]
 
 use defmt::info;
 use embassy_executor::Spawner;

examples/stm32wl/src/bin/lora_p2p_send.rs

@@ -4,7 +4,6 @@
 #![no_main]
 #![macro_use]
 #![feature(type_alias_impl_trait, async_fn_in_trait)]
-#![allow(incomplete_features)]
 
 use defmt::info;
 use embassy_executor::Spawner;

examples/wasm/src/lib.rs

@@ -1,5 +1,4 @@
 #![feature(type_alias_impl_trait)]
-#![allow(incomplete_features)]
 
 use embassy_executor::Spawner;
 use embassy_time::{Duration, Timer};