looping twice over block, let's see what the logs say

clarity/src/vm/database/clarity_db.rs

@@ -1507,7 +1507,7 @@ impl<'a> ClarityDatabase<'a> {
 
     pub fn get_account_stx_balance(&mut self, principal: &PrincipalData) -> STXBalance {
         let key = ClarityDatabase::make_key_for_account_balance(principal);
-        debug!("Fetching account balance"; "principal" => %principal.to_string());
+        // debug!("Fetching account balance"; "principal" => %principal.to_string());
         let result = self.get(&key);
         match result {
             None => STXBalance::zero(),

src/core/mempool.rs

@@ -1053,7 +1053,7 @@ impl MemPoolDB {
                     remember_start_with_estimate = Some(start_with_no_estimate);
                     let mut last_addr = None;
                     for address in addresses.into_iter() {
-                        debug!("Update nonce"; "address" => %address);
+                        // debug!("Update nonce"; "address" => %address);
                         // do not recheck nonces if the sponsor == origin
                         if last_addr.as_ref() == Some(&address) {
                             continue;

src/main.rs

@@ -767,6 +767,7 @@ simulating a miner.
         settings.max_miner_time_ms = max_time;
         settings.mempool_settings.min_tx_fee = min_fee;
 
+        for i in 0..2 {
             let result = StacksBlockBuilder::build_anchored_block(
                 &chain_state,
                 &sort_db.index_conn(),
@@ -776,12 +777,14 @@ simulating a miner.
                 VRFProof::empty(),
                 Hash160([0; 20]),
                 &coinbase_tx,
-            settings,
+                settings.clone(),
                 None,
             );
 
             let stop = get_epoch_time_ms();
 
+            info!("round {} finishes with: {:?}", i, &result);
+
             println!(
                 "{} mined block @ height = {} off of {} ({}/{}) in {}ms. Min-fee: {}, Max-time: {}",
                 if result.is_ok() {
@@ -814,6 +817,7 @@ simulating a miner.
                     &execution_cost
                 );
             }
+        }
 
         process::exit(0);
     }