Upgrade to Rust v1.49.0 (bp #14810) (#14811)

* Upgrade to Rust v1.49.0

(cherry picked from commit cbffab7850)

# Conflicts:
#	core/src/crds_value.rs

* rebase

Co-authored-by: Michael Vines <mvines@gmail.com>

clap-utils/src/input_parsers.rs

@@ -167,12 +167,12 @@ pub fn resolve_signer(
     name: &str,
     wallet_manager: &mut Option<Arc<RemoteWalletManager>>,
 ) -> Result<Option<String>, Box<dyn std::error::Error>> {
-    Ok(resolve_signer_from_path(
+    resolve_signer_from_path(
         matches,
         matches.value_of(name).unwrap(),
         name,
         wallet_manager,
-    )?)
+    )
 }
 
 pub fn lamports_of_sol(matches: &ArgMatches<'_>, name: &str) -> Option<u64> {