Fix clippy lints

validator_manager/src/common.rs

@@ -135,6 +135,7 @@ impl ValidatorSpecification {
                     enabled,
                     gas_limit,
                     builder_proposals,
+                    None, // Grafitti field is not maintained between validator moves.
                 )
                 .await
                 .map_err(UploadError::PatchValidatorFailed)?;

validator_manager/src/lib.rs

@@ -50,7 +50,7 @@ pub fn cli_app<'a, 'b>() -> App<'a, 'b> {
 /// Run the account manager, returning an error if the operation did not succeed.
 pub fn run<'a, T: EthSpec>(matches: &'a ArgMatches<'a>, env: Environment<T>) -> Result<(), String> {
     let context = env.core_context();
-    let spec = context.eth2_config.spec.clone();
+    let spec = context.eth2_config.spec;
     let dump_config = clap_utils::parse_optional(matches, DUMP_CONFIGS_FLAG)?
         .map(DumpConfig::Enabled)
         .unwrap_or_else(|| DumpConfig::Disabled);