tracing error level WARN in send_raw_transaction (#1520)

* error level WARN in send_raw_transaction

* fix compilation

src/client/mod.rs

@@ -121,7 +121,7 @@ where
             .pool
             .add_transaction(TransactionOrigin::Local, pool_transaction)
             .await
-            .inspect_err(|err| tracing::error!(?err, ?hash, ?to, from = ?signer))?;
+            .inspect_err(|err| tracing::warn!(?err, ?hash, ?to, from = ?signer))?;
 
         Ok(hash)
     }

src/eth_rpc/servers/eth_rpc.rs

@@ -18,6 +18,7 @@ use reth_primitives::{BlockId, BlockNumberOrTag};
 use serde_json::Value;
 use starknet::providers::Provider;
 use std::sync::Arc;
+use tracing::Level;
 
 /// The RPC module for the Ethereum protocol required by Kakarot.
 #[derive(Debug)]
@@ -240,7 +241,7 @@ where
         Err(EthApiError::Unsupported("eth_sendTransaction").into())
     }
 
-    #[tracing::instrument(skip_all, ret, err)]
+    #[tracing::instrument(skip_all, ret, err(level = Level::WARN))]
     async fn send_raw_transaction(&self, bytes: Bytes) -> RpcResult<B256> {
         tracing::info!("Serving eth_sendRawTransaction");