diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index eac7f1c41..08d4d36c0 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,3 +1,3 @@
 [toolchain]
-channel = "1.79"
+channel = "1.81"
 components = [ "clippy", "rustfmt" ]
diff --git a/zingocli/src/lib.rs b/zingocli/src/lib.rs
index 5f02fbb81..23c0f9a2e 100644
--- a/zingocli/src/lib.rs
+++ b/zingocli/src/lib.rs
@@ -276,9 +276,9 @@ fn short_circuit_on_help(params: Vec<String>) {
 ///  * behave correctly as a function of each parameter that may have been passed
 ///      * add details of above here
 ///  * handle parameters as efficiently as possible.
-///      * If a ShortCircuitCommand
-///    is specified, then the system should execute only logic necessary to support that command,
-///    in other words "help" the ShortCircuitCommand _MUST_ not launch either zcashd or lightwalletd
+///      * If a ShortCircuitCommand is specified, then the system should execute
+///        only logic necessary to support that command, in other words "help"
+///        the ShortCircuitCommand _MUST_ not launch either zcashd or lightwalletd
 impl ConfigTemplate {
     fn fill(matches: clap::ArgMatches) -> Result<Self, String> {
         let is_regtest = matches.get_flag("regtest"); // Begin short_circuit section
diff --git a/zingolib/src/config.rs b/zingolib/src/config.rs
index ee3687495..88d9293a9 100644
--- a/zingolib/src/config.rs
+++ b/zingolib/src/config.rs
@@ -459,7 +459,7 @@ impl ZingoConfig {
         use std::time::{SystemTime, UNIX_EPOCH};
 
         let mut backup_file_path = self.get_zingo_wallet_dir().into_path_buf();
-        backup_file_path.push(&format!(
+        backup_file_path.push(format!(
             "zingo-wallet.backup.{}.dat",
             SystemTime::now()
                 .duration_since(UNIX_EPOCH)
diff --git a/zingolib/src/testutils/assertions.rs b/zingolib/src/testutils/assertions.rs
index 58ac7fa04..d37424fa3 100644
--- a/zingolib/src/testutils/assertions.rs
+++ b/zingolib/src/testutils/assertions.rs
@@ -12,8 +12,9 @@ use zingo_status::confirmation_status::ConfirmationStatus;
 /// 1. len of txids == num steps
 /// 2. the txid is stored in the records_by_ids database
 /// 3. if the fee from the calculate_transaction_fee matches the sum of the per-step fees
-/// this currently fails for any broadcast but not confirmed transaction: it seems like get_transaction_fee does not recognize pending spends
-/// returns the total fee for the transfer
+///    this currently fails for any broadcast but not confirmed transaction: it seems like
+///    get_transaction_fee does not recognize pending spends returns the total fee for the
+///    transfer
 pub async fn assert_record_fee_and_status<NoteId>(
     client: &LightClient,
     proposal: &Proposal<zcash_primitives::transaction::fees::zip317::FeeRule, NoteId>,
diff --git a/zingolib/src/testutils/chain_generics.rs b/zingolib/src/testutils/chain_generics.rs
index 5359bbc95..3ae89cc39 100644
--- a/zingolib/src/testutils/chain_generics.rs
+++ b/zingolib/src/testutils/chain_generics.rs
@@ -6,7 +6,7 @@
 //! darkside known issues:
 //!   - transparent
 //!   - txids
-
+//!
 //! libtonode known issues:
 //!   - mempool