Bump Rust to 1.79 (from 1.77)

consensus/src/extension/election.rs

@@ -94,7 +94,7 @@ impl<U: UnitWithParents> CandidateElection<U> {
 
     fn vote(&mut self, voter: &U) -> Result<(), CandidateOutcome<U::Hasher>> {
         // If the vote is already computed we are done.
-        if self.votes.get(&voter.hash()).is_some() {
+        if self.votes.contains_key(&voter.hash()) {
             return Ok(());
         }
         // Votes for old units are never used, so we just return.

consensus/src/testing/mod.rs

@@ -1,4 +1,3 @@
-#![cfg(test)]
 mod alerts;
 mod byzantine;
 mod crash;

examples/ordering/src/main.rs

@@ -9,8 +9,7 @@ use dataio::{Data, DataProvider, FinalizationHandler};
 use futures::{channel::oneshot, io, StreamExt};
 use log::{debug, error, info};
 use network::Network;
-use std::sync::Arc;
-use std::{path::Path, time::Duration};
+use std::{path::Path, sync::Arc, time::Duration};
 use time::{macros::format_description, OffsetDateTime};
 use tokio::fs::{self, File};
 use tokio_util::compat::{Compat, TokioAsyncWriteCompatExt};

rust-toolchain.toml

@@ -1,2 +1,2 @@
 [toolchain]
-channel = "1.77.0"
+channel = "1.79.0"