diff --git a/cli/src/main.rs b/cli/src/main.rs
index 24bf872..35115b7 100644
--- a/cli/src/main.rs
+++ b/cli/src/main.rs
@@ -221,9 +221,9 @@ fn spawn_commands(
     let start = SystemTime::now();
     let mut join_set = JoinSet::new();
     let commands_by_user = commands.into_iter().map(|it| (it.user(), it)).fold(
-        BTreeMap::new(),
+        BTreeMap::<_, Vec<_>>::new(),
         |mut acc, (user, cmd)| {
-            acc.entry(user).or_insert_with(Vec::new).push(cmd);
+            acc.entry(user).or_default().push(cmd);
             acc
         },
     );
diff --git a/lean/src/add.rs b/lean/src/add.rs
index 0efacc1..d6c2fed 100644
--- a/lean/src/add.rs
+++ b/lean/src/add.rs
@@ -26,7 +26,7 @@ mod tests {
 
     #[sqlx::test]
     async fn test_add_new_user(pool: PgPool) -> anyhow::Result<()> {
-        add(&pool, "marcus", 100_f64).await?;
+        let _log = add(&pool, "marcus", 100_f64).await?;
 
         struct Trader {
             user_id: String,
@@ -48,7 +48,7 @@ mod tests {
     async fn test_add_old_user(pool: PgPool) -> anyhow::Result<()> {
         let add1 = add(&pool, "marcus", 100_f64);
         let add2 = add(&pool, "marcus", 100_f64);
-        tokio::try_join!(add1, add2)?;
+        let (_log1, _log2) = tokio::try_join!(add1, add2)?;
 
         struct Trader {
             user_id: String,
diff --git a/lean/src/buy.rs b/lean/src/buy.rs
index 094b4c3..cd06a4a 100644
--- a/lean/src/buy.rs
+++ b/lean/src/buy.rs
@@ -39,7 +39,7 @@ mod tests {
 
     #[sqlx::test]
     async fn test_sufficient_funds(pool: PgPool) -> anyhow::Result<()> {
-        crate::add::add(&pool, "marcus", 100_f64).await?;
+        let _log = crate::add::add(&pool, "marcus", 100_f64).await?;
         let buy = init_buy(&pool, "marcus", "APPL", 50_f64, 100_f64).await;
 
         assert!(buy.is_ok(), "expected ok but was {buy:?}");
@@ -75,7 +75,7 @@ mod tests {
 
     #[sqlx::test]
     async fn test_insufficient_funds(pool: PgPool) -> anyhow::Result<()> {
-        crate::add::add(&pool, "marcus", 100_f64).await?;
+        let _log = crate::add::add(&pool, "marcus", 100_f64).await?;
         let buy = init_buy(&pool, "marcus", "AAPL", 50_f64, 200_f64).await;
         assert!(buy.is_err(), "expected error but was {buy:?}");
         Ok(())
@@ -83,8 +83,8 @@ mod tests {
 
     #[sqlx::test]
     async fn test_override_queued_buy(pool: PgPool) -> anyhow::Result<()> {
-        crate::add::add(&pool, "marcus", 400_f64).await?;
-        init_buy(&pool, "marcus", "AAPL", 50_f64, 200_f64).await?;
+        let _log = crate::add::add(&pool, "marcus", 400_f64).await?;
+        let _log = init_buy(&pool, "marcus", "AAPL", 50_f64, 200_f64).await?;
 
         let buy = init_buy(&pool, "marcus", "TSLA", 50_f64, 100_f64).await;
 
@@ -124,8 +124,8 @@ mod tests {
 
     #[sqlx::test]
     async fn init_buy_removes_funds(pool: PgPool) -> anyhow::Result<()> {
-        crate::add::add(&pool, "marcus", 400_f64).await?;
-        init_buy(&pool, "marcus", "AAPL", 50_f64, 200_f64).await?;
+        let _log = crate::add::add(&pool, "marcus", 400_f64).await?;
+        let _log = init_buy(&pool, "marcus", "AAPL", 50_f64, 200_f64).await?;
 
         let Balance { balance } = sqlx::query_as!(
             Balance,
@@ -167,8 +167,8 @@ mod tests {
 
     #[sqlx::test]
     async fn commit_buy_with_buy(pool: PgPool) -> anyhow::Result<()> {
-        crate::add::add(&pool, "marcus", 400_f64).await?;
-        init_buy(&pool, "marcus", "AAPL", 50_f64, 200_f64).await?;
+        let _log = crate::add::add(&pool, "marcus", 400_f64).await?;
+        let _log = init_buy(&pool, "marcus", "AAPL", 50_f64, 200_f64).await?;
         let buy = commit_buy(&pool, "marcus").await;
         assert!(buy.is_ok(), "expected error but was {buy:?}");
 
@@ -202,9 +202,9 @@ mod tests {
 
     #[sqlx::test]
     async fn commit_timed_out_buy(pool: PgPool) -> anyhow::Result<()> {
-        crate::add::add(&pool, "marcus", 400_f64).await?;
+        let _log = crate::add::add(&pool, "marcus", 400_f64).await?;
 
-        init_buy(&pool, "marcus", "AAPL", 50_f64, 200_f64).await?;
+        let _log = init_buy(&pool, "marcus", "AAPL", 50_f64, 200_f64).await?;
 
         sqlx::query!("UPDATE queued_buy SET time_created = time_created - interval '6 minutes' WHERE user_id = 'marcus'")
             .execute(&pool)
@@ -244,8 +244,8 @@ mod tests {
 
     #[sqlx::test]
     async fn test_cancel_buy_with_pending_buy(pool: PgPool) -> anyhow::Result<()> {
-        crate::add::add(&pool, "marcus", 400_f64).await?;
-        init_buy(&pool, "marcus", "AAPL", 50_f64, 200_f64).await?;
+        let _log = crate::add::add(&pool, "marcus", 400_f64).await?;
+        let _log = init_buy(&pool, "marcus", "AAPL", 50_f64, 200_f64).await?;
         let cancel = cancel_buy(&pool, "marcus").await;
         assert!(cancel.is_ok(), "expected ok but was {cancel:?}");
 
@@ -275,8 +275,8 @@ mod tests {
 
     #[sqlx::test]
     async fn test_cancel_buy_with_expired_queued_buy(pool: PgPool) -> anyhow::Result<()> {
-        crate::add::add(&pool, "marcus", 400_f64).await?;
-        init_buy(&pool, "marcus", "AAPL", 50_f64, 200_f64).await?;
+        let _log = crate::add::add(&pool, "marcus", 400_f64).await?;
+        let _log = init_buy(&pool, "marcus", "AAPL", 50_f64, 200_f64).await?;
 
         sqlx::query!("UPDATE queued_buy SET time_created = now() - interval '6 minutes' WHERE user_id = 'marcus'")
             .execute(&pool)
diff --git a/lean/src/sell/cancel_sell.rs b/lean/src/sell/cancel_sell.rs
index 273c9bc..e482919 100644
--- a/lean/src/sell/cancel_sell.rs
+++ b/lean/src/sell/cancel_sell.rs
@@ -76,8 +76,8 @@ mod tests {
 
     #[sqlx::test]
     async fn test_cancel_sell_with_pending_sell(pool: PgPool) -> anyhow::Result<()> {
-        add(&pool, "marcus", 200_f64).await?;
-        init_buy(&pool, "marcus", "AAPL", 100_f64, 100_f64).await?;
+        let _log = add(&pool, "marcus", 200_f64).await?;
+        let _log = init_buy(&pool, "marcus", "AAPL", 100_f64, 100_f64).await?;
         commit_buy(&pool, "marcus").await?;
 
         init_sell(&pool, "marcus", "AAPL", 100_f64, 100_f64).await?;
diff --git a/lean/src/sell/commit_sell.rs b/lean/src/sell/commit_sell.rs
index 5f36552..c4618f2 100644
--- a/lean/src/sell/commit_sell.rs
+++ b/lean/src/sell/commit_sell.rs
@@ -104,8 +104,8 @@ mod tests {
 
     #[sqlx::test]
     async fn test_commit_sell_with_pending_sell(pool: PgPool) -> anyhow::Result<()> {
-        add(&pool, "marcus", 200_f64).await?;
-        init_buy(&pool, "marcus", "AAPL", 100_f64, 100_f64).await?;
+        let _log = add(&pool, "marcus", 200_f64).await?;
+        let _log = init_buy(&pool, "marcus", "AAPL", 100_f64, 100_f64).await?;
         commit_buy(&pool, "marcus").await?;
 
         init_sell::init_sell(&pool, "marcus", "AAPL", 100_f64, 100_f64).await?;
@@ -145,8 +145,8 @@ mod tests {
 
     #[sqlx::test]
     async fn test_commit_sell_with_expired_queued_sell(pool: PgPool) -> anyhow::Result<()> {
-        add(&pool, "marcus", 200_f64).await?;
-        init_buy(&pool, "marcus", "AAPL", 100_f64, 100_f64).await?;
+        let _log = add(&pool, "marcus", 200_f64).await?;
+        let _log = init_buy(&pool, "marcus", "AAPL", 100_f64, 100_f64).await?;
         commit_buy(&pool, "marcus").await?;
 
         init_sell::init_sell(&pool, "marcus", "AAPL", 100_f64, 100_f64).await?;
diff --git a/lean/src/sell/init_sell.rs b/lean/src/sell/init_sell.rs
index 03f378c..9c2fc58 100644
--- a/lean/src/sell/init_sell.rs
+++ b/lean/src/sell/init_sell.rs
@@ -147,8 +147,8 @@ mod tests {
 
     #[sqlx::test]
     async fn test_init_sell_with_stocks_to_sell(pool: PgPool) -> anyhow::Result<()> {
-        crate::add::add(&pool, "marcus", 100_f64).await?;
-        crate::buy::init_buy(&pool, "marcus", "APPL", 50_f64, 100_f64).await?;
+        let _log = crate::add::add(&pool, "marcus", 100_f64).await?;
+        let _log = crate::buy::init_buy(&pool, "marcus", "APPL", 50_f64, 100_f64).await?;
         crate::buy::commit_buy(&pool, "marcus").await?;
 
         let sell = init_sell(&pool, "marcus", "APPL", 50_f64, 100_f64).await;
@@ -197,8 +197,8 @@ mod tests {
 
     #[sqlx::test]
     async fn test_init_buy_with_insufficient_stocks_to_sell(pool: PgPool) -> anyhow::Result<()> {
-        crate::add::add(&pool, "marcus", 100_f64).await?;
-        crate::buy::init_buy(&pool, "marcus", "APPL", 50_f64, 100_f64).await?;
+        let _log = crate::add::add(&pool, "marcus", 100_f64).await?;
+        let _log = crate::buy::init_buy(&pool, "marcus", "APPL", 50_f64, 100_f64).await?;
         crate::buy::commit_buy(&pool, "marcus").await?;
 
         let sell = init_sell(&pool, "marcus", "APPL", 50_f64, 200_f64).await;
@@ -231,8 +231,8 @@ mod tests {
 
     #[sqlx::test]
     async fn test_override_queued_sell(pool: PgPool) -> anyhow::Result<()> {
-        crate::add::add(&pool, "marcus", 400_f64).await?;
-        crate::buy::init_buy(&pool, "marcus", "APPL", 50_f64, 200_f64).await?;
+        let _log = crate::add::add(&pool, "marcus", 400_f64).await?;
+        let _log = crate::buy::init_buy(&pool, "marcus", "APPL", 50_f64, 200_f64).await?;
         crate::buy::commit_buy(&pool, "marcus").await?;
 
         init_sell(&pool, "marcus", "APPL", 50_f64, 200_f64).await?;
diff --git a/lean/src/trigger.rs b/lean/src/trigger.rs
index 310ce8f..20ce5f4 100644
--- a/lean/src/trigger.rs
+++ b/lean/src/trigger.rs
@@ -165,7 +165,7 @@ mod tests {
             amount_dollars: 100.0,
         };
 
-        add(&pool, "test", 100_f64).await?;
+        let _log = add(&pool, "test", 100_f64).await?;
 
         execute_buy_triggers(&pool, vec![trigger], "APPL", 1_f64).await?;
 
diff --git a/lean/src/trigger/buy/cancel_set_buy.rs b/lean/src/trigger/buy/cancel_set_buy.rs
index 3344f2a..4b44ad7 100644
--- a/lean/src/trigger/buy/cancel_set_buy.rs
+++ b/lean/src/trigger/buy/cancel_set_buy.rs
@@ -73,8 +73,8 @@ mod tests {
 
     #[sqlx::test]
     async fn test_cancel_set_buy_with_buy(pool: PgPool) -> anyhow::Result<()> {
-        add(&pool, "marcus", 100_f64).await?;
-        set_buy_amount(&pool, "marcus", "APPL", 100_f64).await?;
+        let _log = add(&pool, "marcus", 100_f64).await?;
+        let _log = set_buy_amount(&pool, "marcus", "APPL", 100_f64).await?;
 
         let cancel = cancel_set_buy(&pool, "marcus", "APPL").await;
         assert!(cancel.is_ok(), "expected ok but was {cancel:?}");
diff --git a/lean/src/trigger/buy/set_buy_amount.rs b/lean/src/trigger/buy/set_buy_amount.rs
index 1b94564..a89f83f 100644
--- a/lean/src/trigger/buy/set_buy_amount.rs
+++ b/lean/src/trigger/buy/set_buy_amount.rs
@@ -105,7 +105,7 @@ mod tests {
 
     #[sqlx::test]
     async fn test_set_buy_amount_sufficient_funds(pool: PgPool) -> anyhow::Result<()> {
-        add(&pool, "marcus", 200_f64).await?;
+        let _log = add(&pool, "marcus", 200_f64).await?;
 
         let set = set_buy_amount(&pool, "marcus", "AAPL", 100_f64).await;
         assert!(set.is_ok(), "expected ok but was {set:?}");
@@ -131,7 +131,7 @@ mod tests {
 
     #[sqlx::test]
     async fn test_set_buy_with_already_existing_buy(pool: PgPool) -> anyhow::Result<()> {
-        add(&pool, "marcus", 200_f64).await?;
+        let _log = add(&pool, "marcus", 200_f64).await?;
 
         let set = set_buy_amount(&pool, "marcus", "AAPL", 100_f64).await;
         assert!(set.is_ok(), "expected ok but was {set:?}");
diff --git a/lean/src/trigger/buy/set_buy_trigger.rs b/lean/src/trigger/buy/set_buy_trigger.rs
index 4ee3744..50a1be8 100644
--- a/lean/src/trigger/buy/set_buy_trigger.rs
+++ b/lean/src/trigger/buy/set_buy_trigger.rs
@@ -40,9 +40,8 @@ mod tests {
 
     #[sqlx::test]
     async fn test_set_buy_trigger_with_set_buy(pool: PgPool) -> anyhow::Result<()> {
-        add(&pool, "marcus", 1000_f64).await?;
-
-        set_buy_amount(&pool, "marcus", "AAPL", 100_f64).await?;
+        let _log = add(&pool, "marcus", 1000_f64).await?;
+        let _log = set_buy_amount(&pool, "marcus", "AAPL", 100_f64).await?;
         let set = set_buy_trigger(&pool, "marcus", "AAPL", 100_f64).await;
         assert!(set.is_ok(), "expected error but was {set:?}");
 
diff --git a/lean/src/trigger/sell/cancel_set_sell.rs b/lean/src/trigger/sell/cancel_set_sell.rs
index fc6e6a8..98ec584 100644
--- a/lean/src/trigger/sell/cancel_set_sell.rs
+++ b/lean/src/trigger/sell/cancel_set_sell.rs
@@ -76,8 +76,8 @@ mod tests {
 
     #[sqlx::test]
     async fn test_cancel_set_sell_with_set_sell(pool: PgPool) -> anyhow::Result<()> {
-        add(&pool, "marcus", 100.0).await?;
-        init_buy(&pool, "marcus", "TEST", 50_f64, 100.0).await?;
+        let _log = add(&pool, "marcus", 100.0).await?;
+        let _log = init_buy(&pool, "marcus", "TEST", 50_f64, 100.0).await?;
         commit_buy(&pool, "marcus").await?;
         set_sell_amount(&pool, "marcus", "TEST", 1.0).await?;
         set_sell_trigger(&pool, "marcus", "TEST", 40_f64).await?;
diff --git a/lean/src/trigger/sell/set_sell_amount.rs b/lean/src/trigger/sell/set_sell_amount.rs
index d8f4b6e..62812e1 100644
--- a/lean/src/trigger/sell/set_sell_amount.rs
+++ b/lean/src/trigger/sell/set_sell_amount.rs
@@ -109,8 +109,8 @@ mod tests {
 
     #[sqlx::test]
     async fn test_set_sell_amount_with_stock(pool: PgPool) -> anyhow::Result<()> {
-        add(&pool, "marcus", 1000_f64).await?;
-        init_buy(&pool, "marcus", "AAPL", 50_f64, 100_f64).await?;
+        let _log = add(&pool, "marcus", 1000_f64).await?;
+        let _log = init_buy(&pool, "marcus", "AAPL", 50_f64, 100_f64).await?;
         commit_buy(&pool, "marcus").await?;
 
         let stock = sqlx::query!(
@@ -153,8 +153,8 @@ mod tests {
 
     #[sqlx::test]
     async fn test_set_sell_amount_with_prev_sell_trigger(pool: PgPool) -> anyhow::Result<()> {
-        add(&pool, "marcus", 1000_f64).await?;
-        init_buy(&pool, "marcus", "AAPL", 50_f64, 100_f64).await?;
+        let _log = add(&pool, "marcus", 1000_f64).await?;
+        let _log = init_buy(&pool, "marcus", "AAPL", 50_f64, 100_f64).await?;
         commit_buy(&pool, "marcus").await?;
 
         set_sell_amount(&pool, "marcus", "AAPL", 2_f64).await?;
diff --git a/lean/src/trigger/sell/set_sell_trigger.rs b/lean/src/trigger/sell/set_sell_trigger.rs
index 83321c8..7181897 100644
--- a/lean/src/trigger/sell/set_sell_trigger.rs
+++ b/lean/src/trigger/sell/set_sell_trigger.rs
@@ -33,8 +33,8 @@ mod tests {
 
     #[sqlx::test]
     async fn test_set_sell_trigger_no_set_amount(pool: PgPool) -> anyhow::Result<()> {
-        add(&pool, "marcus", 100.0).await?;
-        init_buy(&pool, "marcus", "TEST", 50_f64, 100.0).await?;
+        let _log = add(&pool, "marcus", 100.0).await?;
+        let _log = init_buy(&pool, "marcus", "TEST", 50_f64, 100.0).await?;
         commit_buy(&pool, "marcus").await?;
 
         let result = set_sell_trigger(&pool, "marcus", "TEST", 1.0).await;
@@ -55,8 +55,8 @@ mod tests {
 
     #[sqlx::test]
     async fn test_set_sell_trigger_with_set_amount(pool: PgPool) -> anyhow::Result<()> {
-        add(&pool, "marcus", 100.0).await?;
-        init_buy(&pool, "marcus", "TEST", 50_f64, 100.0).await?;
+        let _log = add(&pool, "marcus", 100.0).await?;
+        let _log = init_buy(&pool, "marcus", "TEST", 50_f64, 100.0).await?;
         commit_buy(&pool, "marcus").await?;
 
         set_sell_amount(&pool, "marcus", "TEST", 1_f64).await?;