From 52bcb45a92ea04e144b15287daeef43be1c82877 Mon Sep 17 00:00:00 2001
From: Alexander Samusev <41779041+alvicsam@users.noreply.github.com>
Date: Wed, 3 Nov 2021 12:15:15 +0100
Subject: [PATCH] Update CI image to use the latest rustc (#4200)

* Update CI image to use the latest rustc

* Warning is ok about empty enum when no messages

* revert ci image to production

Co-authored-by: gilescope <gilescope@gmail.com>
---
 .../overseer/overseer-gen/proc-macro/src/impl_channels_out.rs    | 1 +
 1 file changed, 1 insertion(+)

diff --git a/polkadot/node/overseer/overseer-gen/proc-macro/src/impl_channels_out.rs b/polkadot/node/overseer/overseer-gen/proc-macro/src/impl_channels_out.rs
index 08744e6c52..bfe3150f55 100644
--- a/polkadot/node/overseer/overseer-gen/proc-macro/src/impl_channels_out.rs
+++ b/polkadot/node/overseer/overseer-gen/proc-macro/src/impl_channels_out.rs
@@ -56,6 +56,7 @@ pub(crate) fn impl_channels_out_struct(info: &OverseerInfo) -> Result<proc_macro
 			)*
 		}
 
+		#[allow(unreachable_code)] // when no defined messages in enum
 		impl ChannelsOut {
 			/// Send a message via a bounded channel.
 			pub async fn send_and_log_error(