diff --git a/.github/workflows/cd.yml b/.github/workflows/cd.yml
index fcdf6fb8215..8aa01264e3d 100644
--- a/.github/workflows/cd.yml
+++ b/.github/workflows/cd.yml
@@ -55,7 +55,7 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
           profile: minimal
-          toolchain: 1.74.1
+          toolchain: 1.81.0
           target: ${{ matrix.target }}
           override: true
       - uses: Swatinem/rust-cache@v2
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f0a3c064e1c..3f32d47a798 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -33,7 +33,7 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
           profile: minimal
-          toolchain: 1.74.1
+          toolchain: 1.81.0
           components: rustfmt
           override: true
       - uses: Swatinem/rust-cache@v2
@@ -57,7 +57,7 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
           profile: minimal
-          toolchain: 1.74.1
+          toolchain: 1.81.0
       - uses: Swatinem/rust-cache@v2
         with:
           shared-key: "check"
@@ -82,7 +82,7 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
           profile: minimal
-          toolchain: 1.74.1
+          toolchain: 1.81.0
           components: clippy
           override: true
       - uses: Swatinem/rust-cache@v2
@@ -191,7 +191,7 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
           profile: minimal
-          toolchain: 1.74.1
+          toolchain: 1.81.0
           override: true
       - uses: Swatinem/rust-cache@v2
         with:
@@ -205,7 +205,7 @@ jobs:
       - uses: actions-rs/cargo@v1
         with:
           command: install
-          args: cargo-nextest --locked
+          args: cargo-nextest
       - uses: actions-rs/cargo@v1
         with:
           command: nextest
@@ -239,7 +239,7 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
           profile: minimal
-          toolchain: 1.74.1
+          toolchain: 1.81.0
           components: rustfmt
           override: true
       - uses: actions/checkout@v3
@@ -274,7 +274,7 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
           profile: minimal
-          toolchain: 1.74.1
+          toolchain: 1.81.0
           components: rustfmt
           override: true
       - uses: Swatinem/rust-cache@v2
diff --git a/.github/workflows/link-check.yml b/.github/workflows/link-check.yml
index 1816c95bf4a..281d0ccb854 100644
--- a/.github/workflows/link-check.yml
+++ b/.github/workflows/link-check.yml
@@ -11,11 +11,11 @@ jobs:
   markdown-link-check:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Use Node.js
-        uses: actions/setup-node@v2
+        uses: actions/setup-node@v4
         with:
-          node-version: '18'
+          node-version: 18
       - name: Install markdown-link-check
         run: npm install -g markdown-link-check
       - name: Check links in markdown files
diff --git a/Cargo.lock b/Cargo.lock
index f70c9ee664c..35c62d39de8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3674,6 +3674,12 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "num-conv"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "51d515d32fb182ee37cda2ccdcb92950d6a3c2893aa280e540671c2cd0f3b1d9"
+
 [[package]]
 name = "num-integer"
 version = "0.1.45"
@@ -5365,12 +5371,13 @@ dependencies = [
 
 [[package]]
 name = "time"
-version = "0.3.31"
+version = "0.3.36"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f657ba42c3f86e7680e53c8cd3af8abbe56b5491790b46e22e19c0d57463583e"
+checksum = "5dfd88e563464686c916c7e46e623e520ddc6d79fa6641390f2e3fa86e83e885"
 dependencies = [
  "deranged",
  "itoa",
+ "num-conv",
  "powerfmt",
  "serde",
  "time-core",
@@ -5385,10 +5392,11 @@ checksum = "ef927ca75afb808a4d64dd374f00a2adf8d0fcff8e7b184af886c3c87ec4a3f3"
 
 [[package]]
 name = "time-macros"
-version = "0.2.16"
+version = "0.2.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "26197e33420244aeb70c3e8c78376ca46571bc4e701e4791c2cd9f57dcb3a43f"
+checksum = "3f252a68540fde3a3877aeea552b832b40ab9a69e318efd078774a01ddee1ccf"
 dependencies = [
+ "num-conv",
  "time-core",
 ]
 
diff --git a/massa-api/src/tests/public.rs b/massa-api/src/tests/public.rs
index 36646137abd..05d1ddd5903 100644
--- a/massa-api/src/tests/public.rs
+++ b/massa-api/src/tests/public.rs
@@ -984,7 +984,7 @@ async fn get_datastore_entries() {
         .await
         .unwrap();
 
-    let entry = response.get(0).unwrap();
+    let entry = response.first().unwrap();
 
     assert_eq!(
         entry.candidate_value.as_ref().unwrap(),
diff --git a/massa-async-pool/src/test_exports/mod.rs b/massa-async-pool/src/test_exports/mod.rs
index 69a116360c9..063eca7e08e 100644
--- a/massa-async-pool/src/test_exports/mod.rs
+++ b/massa-async-pool/src/test_exports/mod.rs
@@ -4,4 +4,3 @@ mod bootstrap;
 mod config;
 
 pub use bootstrap::*;
-pub use config::*;
diff --git a/massa-bootstrap/src/lib.rs b/massa-bootstrap/src/lib.rs
index 62bb3109a4e..525cc026bdc 100644
--- a/massa-bootstrap/src/lib.rs
+++ b/massa-bootstrap/src/lib.rs
@@ -15,9 +15,7 @@ use massa_consensus_exports::bootstrapable_graph::BootstrapableGraph;
 use massa_final_state::FinalStateController;
 use massa_protocol_exports::BootstrapPeers;
 use parking_lot::RwLock;
-use std::io::{self, ErrorKind};
 use std::sync::Arc;
-use std::time::{Duration, Instant};
 
 mod bindings;
 mod client;
@@ -66,6 +64,7 @@ impl GlobalBootstrapState {
     }
 }
 
+/*
 trait BindingReadExact: io::Read {
     /// similar to std::io::Read::read_exact, but with a timeout that is function-global instead of per-individual-read
     fn read_exact_timeout(
@@ -112,3 +111,4 @@ trait BindingReadExact: io::Read {
     /// Internal helper
     fn set_read_timeout(&mut self, deadline: Option<Duration>) -> Result<(), std::io::Error>;
 }
+*/
diff --git a/massa-bootstrap/src/messages.rs b/massa-bootstrap/src/messages.rs
index 039de714134..e0cc2fa5669 100644
--- a/massa-bootstrap/src/messages.rs
+++ b/massa-bootstrap/src/messages.rs
@@ -84,6 +84,7 @@ pub enum BootstrapServerMessage {
     },
 }
 
+#[allow(clippy::to_string_trait_impl)]
 impl ToString for BootstrapServerMessage {
     fn to_string(&self) -> String {
         match self {
diff --git a/massa-bootstrap/src/server.rs b/massa-bootstrap/src/server.rs
index af51016d1d7..98618688dd6 100644
--- a/massa-bootstrap/src/server.rs
+++ b/massa-bootstrap/src/server.rs
@@ -63,11 +63,15 @@ use crate::{
     white_black_list::SharedWhiteBlackList,
     BootstrapConfig,
 };
+
+/*
 /// Specifies a common interface that can be used by standard, or mockers
 #[cfg_attr(test, mockall::automock)]
 pub trait BSEventPoller {
     fn poll(&mut self) -> Result<PollEvent, BootstrapError>;
 }
+*/
+
 /// Abstraction layer over data produced by the listener, and transported
 /// over to the worker via a channel
 
diff --git a/massa-bootstrap/src/tests/binders.rs b/massa-bootstrap/src/tests/binders.rs
index e52b6c118e1..46ef5b1c699 100644
--- a/massa-bootstrap/src/tests/binders.rs
+++ b/massa-bootstrap/src/tests/binders.rs
@@ -59,7 +59,7 @@ impl BootstrapClientBinder {
     }
     pub(crate) fn test_default_config() -> BootstrapClientConfig {
         BootstrapClientConfig {
-            rate_limit: std::u64::MAX,
+            rate_limit: u64::MAX,
             max_listeners_per_peer: MAX_LISTENERS_PER_PEER as u32,
             endorsement_count: ENDORSEMENT_COUNT,
             max_advertise_length: MAX_ADVERTISE_LENGTH,
@@ -131,7 +131,7 @@ fn init_server_client_pair() -> (BootstrapServerBinder, BootstrapClientBinder) {
         server.0,
         server_keypair.clone(),
         BootstrapSrvBindCfg {
-            rate_limit: std::u64::MAX,
+            rate_limit: u64::MAX,
             thread_count: THREAD_COUNT,
             max_datastore_key_length: MAX_DATASTORE_KEY_LENGTH,
             randomness_size_bytes: BOOTSTRAP_RANDOMNESS_SIZE_BYTES,
diff --git a/massa-bootstrap/src/tests/config.rs b/massa-bootstrap/src/tests/config.rs
index a443ed1777a..027e07637d7 100644
--- a/massa-bootstrap/src/tests/config.rs
+++ b/massa-bootstrap/src/tests/config.rs
@@ -48,7 +48,7 @@ impl Default for BootstrapConfig {
             max_simultaneous_bootstraps: 2,
             ip_list_max_size: 10,
             per_ip_min_interval: MassaTime::from_millis(10000),
-            rate_limit: std::u64::MAX,
+            rate_limit: u64::MAX,
             max_datastore_key_length: MAX_DATASTORE_KEY_LENGTH,
             randomness_size_bytes: BOOTSTRAP_RANDOMNESS_SIZE_BYTES,
             thread_count: THREAD_COUNT,
diff --git a/massa-bootstrap/src/tests/messages.rs b/massa-bootstrap/src/tests/messages.rs
index 950f3101e88..bccd65fe8db 100644
--- a/massa-bootstrap/src/tests/messages.rs
+++ b/massa-bootstrap/src/tests/messages.rs
@@ -14,7 +14,7 @@ use massa_serialization::{DeserializeError, Deserializer, Serializer};
 #[test]
 fn test_serialize_bootstrap_server_message() {
     let config = BootstrapClientConfig {
-        rate_limit: std::u64::MAX,
+        rate_limit: u64::MAX,
         max_listeners_per_peer: MAX_LISTENERS_PER_PEER as u32,
         endorsement_count: ENDORSEMENT_COUNT,
         max_advertise_length: MAX_ADVERTISE_LENGTH,
@@ -147,7 +147,7 @@ fn test_serialize_error_cases_clientmsg() {
 #[test]
 fn test_serialize_error_cases_servermsg() {
     let config = BootstrapClientConfig {
-        rate_limit: std::u64::MAX,
+        rate_limit: u64::MAX,
         max_listeners_per_peer: MAX_LISTENERS_PER_PEER as u32,
         endorsement_count: ENDORSEMENT_COUNT,
         max_advertise_length: MAX_ADVERTISE_LENGTH,
diff --git a/massa-bootstrap/src/tests/tools.rs b/massa-bootstrap/src/tests/tools.rs
index ddfabd23734..f4615ebbda6 100644
--- a/massa-bootstrap/src/tests/tools.rs
+++ b/massa-bootstrap/src/tests/tools.rs
@@ -353,7 +353,7 @@ pub fn get_bootstrap_config(bootstrap_public_key: NodeId) -> BootstrapConfig {
         max_simultaneous_bootstraps: 2,
         ip_list_max_size: 10,
         per_ip_min_interval: MassaTime::from_millis(10000),
-        rate_limit: std::u64::MAX,
+        rate_limit: u64::MAX,
         max_datastore_key_length: MAX_DATASTORE_KEY_LENGTH,
         randomness_size_bytes: BOOTSTRAP_RANDOMNESS_SIZE_BYTES,
         thread_count: THREAD_COUNT,
diff --git a/massa-client/src/cmds.rs b/massa-client/src/cmds.rs
index 0d5805d3b80..897883e6c46 100644
--- a/massa-client/src/cmds.rs
+++ b/massa-client/src/cmds.rs
@@ -866,7 +866,7 @@ impl Command {
                             if let Ok(addresses_info) =
                                 client.public.get_addresses(vec![addr]).await
                             {
-                                match addresses_info.get(0) {
+                                match addresses_info.first() {
                                     Some(info) => {
                                         if info.candidate_balance < total {
                                             client_warning!("this operation may be rejected due to insufficient balance");
@@ -911,7 +911,7 @@ impl Command {
 
                 if !json {
                     if let Ok(addresses_info) = client.public.get_addresses(vec![addr]).await {
-                        match addresses_info.get(0) {
+                        match addresses_info.first() {
                             Some(info) => {
                                 if info.candidate_balance < fee
                                     || roll_count > info.candidate_roll_count
@@ -948,7 +948,7 @@ impl Command {
 
                 if !json {
                     if let Ok(addresses_info) = client.public.get_addresses(vec![addr]).await {
-                        match addresses_info.get(0) {
+                        match addresses_info.first() {
                             Some(info) => {
                                 if info.candidate_balance < fee {
                                     client_warning!("this operation may be rejected due to insufficient balance");
@@ -994,7 +994,7 @@ impl Command {
                 let fee = parameters[4].parse::<Amount>()?;
                 if !json {
                     if let Ok(addresses_info) = client.public.get_addresses(vec![addr]).await {
-                        match addresses_info.get(0) {
+                        match addresses_info.first() {
                             Some(info) => {
                                 if info.candidate_balance < fee.saturating_add(max_coins) {
                                     client_warning!("this operation may be rejected due to insufficient balance");
@@ -1052,7 +1052,7 @@ impl Command {
                             if let Ok(addresses_info) =
                                 client.public.get_addresses(vec![target_addr]).await
                             {
-                                match addresses_info.get(0) {
+                                match addresses_info.first() {
                                     Some(info) => {
                                         if info.candidate_balance < total {
                                             client_warning!("this operation may be rejected due to insufficient balance");
diff --git a/massa-client/src/settings.rs b/massa-client/src/settings.rs
index cd177d7cf88..541a5f52004 100644
--- a/massa-client/src/settings.rs
+++ b/massa-client/src/settings.rs
@@ -10,6 +10,7 @@ lazy_static::lazy_static! {
     pub static ref SETTINGS: Settings = build_massa_settings("massa-client", "MASSA_CLIENT");
 }
 
+#[allow(dead_code)]
 #[derive(Debug, Deserialize, Clone)]
 pub struct Settings {
     pub default_node: DefaultNode,
diff --git a/massa-consensus-exports/src/test_exports/mod.rs b/massa-consensus-exports/src/test_exports/mod.rs
index 824722968ba..fb2fa597dfe 100644
--- a/massa-consensus-exports/src/test_exports/mod.rs
+++ b/massa-consensus-exports/src/test_exports/mod.rs
@@ -1,5 +1,3 @@
 // Copyright (c) 2022 MASSA LABS <info@massa.net>
 
 mod config;
-
-pub use config::*;
diff --git a/massa-consensus-worker/src/lib.rs b/massa-consensus-worker/src/lib.rs
index 7074c71d037..48e617a34c2 100644
--- a/massa-consensus-worker/src/lib.rs
+++ b/massa-consensus-worker/src/lib.rs
@@ -22,6 +22,7 @@
 //!    * If the dependencies are already available, the module checks if it can validate the block and add it to a clique.
 //!    * If it's the second block received for the same slot we save it in order to denounce the creator in the future.
 //!    * If it's the third or more we ignore the block unless we asked for it explicitly as a dependency.
+//!
 //! If a queued block reaches the slot time at which it should be processed, the worker wakes up to check it and trigger, if necessary, the consensus algorithm.
 //! It then prunes the block graph and the caches.
 
diff --git a/massa-consensus-worker/src/state/mod.rs b/massa-consensus-worker/src/state/mod.rs
index 23560ae91cd..b6671934365 100644
--- a/massa-consensus-worker/src/state/mod.rs
+++ b/massa-consensus-worker/src/state/mod.rs
@@ -37,6 +37,7 @@ mod stats;
 mod tick;
 mod verifications;
 
+#[allow(dead_code)]
 #[derive(Clone)]
 pub struct ConsensusState {
     /// Configuration
diff --git a/massa-execution-exports/src/test_exports/mod.rs b/massa-execution-exports/src/test_exports/mod.rs
index ec2eab01eb7..87922d29fb7 100644
--- a/massa-execution-exports/src/test_exports/mod.rs
+++ b/massa-execution-exports/src/test_exports/mod.rs
@@ -14,4 +14,3 @@
 //! with an execution worker within tests.
 
 mod config;
-pub use config::*;
diff --git a/massa-execution-worker/src/context.rs b/massa-execution-worker/src/context.rs
index a58576577b9..319f7e17b74 100644
--- a/massa-execution-worker/src/context.rs
+++ b/massa-execution-worker/src/context.rs
@@ -189,6 +189,7 @@ impl ExecutionContext {
     ///
     /// # arguments
     /// * `final_state`: thread-safe access to the final state.
+    ///
     /// Note that this will be used only for reading, never for writing
     ///
     /// # returns
diff --git a/massa-execution-worker/src/controller.rs b/massa-execution-worker/src/controller.rs
index 1bd253f4d8a..02d017b5c08 100644
--- a/massa-execution-worker/src/controller.rs
+++ b/massa-execution-worker/src/controller.rs
@@ -236,7 +236,7 @@ impl ExecutionController for ExecutionControllerImpl {
                 ExecutionQueryRequestItem::OpExecutionStatusCandidate(id) => {
                     let (speculative_v, _final_v) = execution_lock
                         .get_ops_exec_status(&[id])
-                        .get(0)
+                        .first()
                         .map(|(s_v, f_v)| (*s_v, *f_v))
                         .expect("expected one return value");
                     match speculative_v {
@@ -254,7 +254,7 @@ impl ExecutionController for ExecutionControllerImpl {
                 ExecutionQueryRequestItem::OpExecutionStatusFinal(id) => {
                     let (_speculative_v, final_v) = execution_lock
                         .get_ops_exec_status(&[id])
-                        .get(0)
+                        .first()
                         .map(|(s_v, f_v)| (*s_v, *f_v))
                         .expect("expected one return value");
                     match final_v {
diff --git a/massa-execution-worker/src/execution.rs b/massa-execution-worker/src/execution.rs
index 297538ff8e9..350ea935cd7 100644
--- a/massa-execution-worker/src/execution.rs
+++ b/massa-execution-worker/src/execution.rs
@@ -1778,7 +1778,7 @@ impl ExecutionState {
                     let call_stack_addr = context.get_call_stack();
 
                     // transfer fee
-                    if let (Some(fee), Some(addr)) = (req.fee, call_stack_addr.get(0)) {
+                    if let (Some(fee), Some(addr)) = (req.fee, call_stack_addr.first()) {
                         context.transfer_coins(Some(*addr), None, fee, false)?;
                     }
                 }
@@ -1823,13 +1823,13 @@ impl ExecutionState {
                     let call_stack_addr = context.get_call_stack();
 
                     // transfer fee
-                    if let (Some(fee), Some(addr)) = (req.fee, call_stack_addr.get(0)) {
+                    if let (Some(fee), Some(addr)) = (req.fee, call_stack_addr.first()) {
                         context.transfer_coins(Some(*addr), None, fee, false)?;
                     }
 
                     // transfer coins
                     if let (Some(coins), Some(from), Some(to)) =
-                        (req.coins, call_stack_addr.get(0), call_stack_addr.get(1))
+                        (req.coins, call_stack_addr.first(), call_stack_addr.get(1))
                     {
                         context.transfer_coins(Some(*from), Some(*to), coins, false)?;
                     }
diff --git a/massa-execution-worker/src/tests/universe.rs b/massa-execution-worker/src/tests/universe.rs
index bfffa6c80d9..0866d91931a 100644
--- a/massa-execution-worker/src/tests/universe.rs
+++ b/massa-execution-worker/src/tests/universe.rs
@@ -79,6 +79,7 @@ impl ExecutionForeignControllers {
     }
 }
 
+#[allow(dead_code)]
 pub struct ExecutionTestUniverse {
     pub module_controller: Box<dyn ExecutionController>,
     pub storage: Storage,
diff --git a/massa-factory-exports/src/test_exports/mod.rs b/massa-factory-exports/src/test_exports/mod.rs
index 27fe6c27396..bbf23fc9ee6 100644
--- a/massa-factory-exports/src/test_exports/mod.rs
+++ b/massa-factory-exports/src/test_exports/mod.rs
@@ -3,5 +3,4 @@
 mod config;
 mod tools;
 
-pub use config::*;
 pub use tools::*;
diff --git a/massa-final-state/src/test_exports/mod.rs b/massa-final-state/src/test_exports/mod.rs
index eae336d5a43..b40738d0768 100644
--- a/massa-final-state/src/test_exports/mod.rs
+++ b/massa-final-state/src/test_exports/mod.rs
@@ -5,5 +5,4 @@
 mod config;
 mod mock;
 
-pub use config::*;
 pub use mock::*;
diff --git a/massa-grpc/src/tests/public.rs b/massa-grpc/src/tests/public.rs
index d9941ce4ae9..4881aeacb2f 100644
--- a/massa-grpc/src/tests/public.rs
+++ b/massa-grpc/src/tests/public.rs
@@ -142,7 +142,7 @@ async fn get_operations() {
 
     let op_type = response
         .wrapped_operations
-        .get(0)
+        .first()
         .unwrap()
         .clone()
         .operation
@@ -195,7 +195,7 @@ async fn get_blocks() {
         .unwrap()
         .into_inner();
 
-    let s = result.wrapped_blocks.get(0).unwrap().clone().status;
+    let s = result.wrapped_blocks.first().unwrap().clone().status;
 
     assert_eq!(s, BlockStatus::Final as i32);
     stop_handle.stop();
@@ -328,7 +328,7 @@ async fn get_datastore_entries() {
         .unwrap()
         .into_inner();
 
-    let data = result.datastore_entries.get(0).unwrap();
+    let data = result.datastore_entries.first().unwrap();
     // TODO candidate value should be an option in the api : issue #4427
     assert!(data.candidate_value.is_empty());
     assert_eq!(data.final_value, "toto".as_bytes());
@@ -539,7 +539,7 @@ async fn get_endorsements() {
         .into_inner();
 
     assert_eq!(result.wrapped_endorsements.len(), 1);
-    let endorsement = result.wrapped_endorsements.get(0).unwrap();
+    let endorsement = result.wrapped_endorsements.first().unwrap();
     assert!(endorsement.is_final);
     assert!(endorsement.in_blocks.contains(&block_id.to_string()));
 
@@ -583,7 +583,7 @@ async fn get_next_block_best_parents() {
         .into_inner();
 
     assert_eq!(result.block_parents.len(), 2);
-    let parent = result.block_parents.get(0).unwrap();
+    let parent = result.block_parents.first().unwrap();
     assert_eq!(
         parent.block_id,
         "B1q4CBcuYo8YANEV34W4JRWVHrzcYns19VJfyAB7jT4qfitAnMC".to_string()
@@ -651,7 +651,7 @@ async fn get_sc_execution_events() {
         .unwrap()
         .into_inner();
 
-    let event = result.events.get(0).unwrap();
+    let event = result.events.first().unwrap();
     assert_eq!(event.data, "massa".as_bytes().to_vec());
     assert!(event.context.is_some());
     let context = event.context.as_ref().unwrap();
@@ -885,7 +885,7 @@ async fn get_selector_draws() {
 
     assert_eq!(result.draws.len(), 2);
     let slots: &Vec<massa_proto_rs::massa::model::v1::SlotDraw> = result.draws.as_ref();
-    let slot = slots.get(0).unwrap();
+    let slot = slots.first().unwrap();
     assert!(slot.slot.is_some());
     assert!(!slot.endorsement_draws.is_empty());
     assert!(slot.block_producer.is_some());
@@ -1159,7 +1159,7 @@ async fn search_blocks() {
         .unwrap()
         .into_inner();
 
-    let block_result = result.block_infos.get(0).unwrap();
+    let block_result = result.block_infos.first().unwrap();
     assert_eq!(block_result.block_id, block_op.id.to_string());
 
     // search address + slot range
diff --git a/massa-ledger-exports/src/ledger_changes.rs b/massa-ledger-exports/src/ledger_changes.rs
index 5c4e1eb5839..9cc0a42056e 100644
--- a/massa-ledger-exports/src/ledger_changes.rs
+++ b/massa-ledger-exports/src/ledger_changes.rs
@@ -839,8 +839,11 @@ impl LedgerChanges {
     /// and optionally if a datastore key write also exists in the address's datastore.
     /// Notes:
     /// - A ledger entry could be written to without any changes on the values associated,
+    ///
     /// for example if the value was changed multiple times in the same slot.
+    ///
     /// - This code assumes Delete cannot be shadowed by Set operations in the same slot, which may not be the case
+    ///
     /// when / if we allow full entry Delete given the current LedgerChanges::Delete handling. In that case, a rework may be necessary.
     ///
     /// # Arguments
diff --git a/massa-ledger-worker/src/test_exports/mod.rs b/massa-ledger-worker/src/test_exports/mod.rs
index 6519f517906..95d2d7ae437 100644
--- a/massa-ledger-worker/src/test_exports/mod.rs
+++ b/massa-ledger-worker/src/test_exports/mod.rs
@@ -4,4 +4,3 @@ mod bootstrap;
 mod config;
 
 pub use bootstrap::*;
-pub use config::*;
diff --git a/massa-models/src/clique.rs b/massa-models/src/clique.rs
index 3fa76c31849..f60ef64b8f5 100644
--- a/massa-models/src/clique.rs
+++ b/massa-models/src/clique.rs
@@ -1,7 +1,5 @@
 // Copyright (c) 2022 MASSA LABS <info@massa.net>
 
-use core::usize;
-
 use massa_serialization::{
     Deserializer, SerializeError, Serializer, U32VarIntDeserializer, U32VarIntSerializer,
     U64VarIntDeserializer, U64VarIntSerializer,
diff --git a/massa-models/src/ledger.rs b/massa-models/src/ledger.rs
index f6875eb1b6a..95e85f1c44e 100644
--- a/massa-models/src/ledger.rs
+++ b/massa-models/src/ledger.rs
@@ -7,7 +7,6 @@ use crate::{
     error::ModelsResult as Result,
     prehash::{PreHashMap, PreHashSet},
 };
-use core::usize;
 use massa_serialization::{
     Deserializer, SerializeError, Serializer, U64VarIntDeserializer, U64VarIntSerializer,
 };
diff --git a/massa-node/src/settings.rs b/massa-node/src/settings.rs
index 3ee8de250e2..4d1d443dd39 100644
--- a/massa-node/src/settings.rs
+++ b/massa-node/src/settings.rs
@@ -91,6 +91,7 @@ pub struct FactorySettings {
 }
 
 /// Pool configuration, read from a file configuration
+#[allow(dead_code)]
 #[derive(Debug, Deserialize, Clone)]
 pub struct PoolSettings {
     pub max_operation_pool_size: usize,
@@ -194,6 +195,7 @@ pub struct MetricsSettings {
 }
 
 /// Protocol Configuration, read from toml user configuration file
+#[allow(dead_code)]
 #[derive(Debug, Deserialize, Clone)]
 pub struct ProtocolSettings {
     /// after `ask_block_timeout` milliseconds we try to ask a block to another node
diff --git a/massa-pool-exports/src/test_exports/mod.rs b/massa-pool-exports/src/test_exports/mod.rs
index 824722968ba..fb2fa597dfe 100644
--- a/massa-pool-exports/src/test_exports/mod.rs
+++ b/massa-pool-exports/src/test_exports/mod.rs
@@ -1,5 +1,3 @@
 // Copyright (c) 2022 MASSA LABS <info@massa.net>
 
 mod config;
-
-pub use config::*;
diff --git a/massa-pos-exports/src/pos_final_state.rs b/massa-pos-exports/src/pos_final_state.rs
index 4c86f3ce5e8..c7c336edd35 100644
--- a/massa-pos-exports/src/pos_final_state.rs
+++ b/massa-pos-exports/src/pos_final_state.rs
@@ -1062,7 +1062,7 @@ impl PoSFinalState {
 
         let results = db.multi_get_cf(query);
 
-        match (results.get(0), results.get(1)) {
+        match (results.first(), results.get(1)) {
             (Some(Ok(Some(serialized_fail))), Some(Ok(Some(serialized_success)))) => {
                 let (_, fail) = self
                     .cycle_info_deserializer
diff --git a/massa-pos-exports/src/test_exports/mod.rs b/massa-pos-exports/src/test_exports/mod.rs
index 0266e18e52a..2983f8c62b5 100644
--- a/massa-pos-exports/src/test_exports/mod.rs
+++ b/massa-pos-exports/src/test_exports/mod.rs
@@ -5,4 +5,3 @@ mod bootstrap;
 mod config;
 
 pub use bootstrap::*;
-pub use config::*;
diff --git a/massa-protocol-worker/src/handlers/block_handler/messages.rs b/massa-protocol-worker/src/handlers/block_handler/messages.rs
index 0c435f05cf7..833a88accf5 100644
--- a/massa-protocol-worker/src/handlers/block_handler/messages.rs
+++ b/massa-protocol-worker/src/handlers/block_handler/messages.rs
@@ -7,9 +7,7 @@ use massa_models::{
     },
     secure_share::{SecureShareDeserializer, SecureShareSerializer},
 };
-use massa_serialization::{
-    Deserializer, SerializeError, Serializer, U64VarIntDeserializer, U64VarIntSerializer,
-};
+use massa_serialization::{Deserializer, Serializer, U64VarIntDeserializer, U64VarIntSerializer};
 use nom::{
     error::{context, ContextError, ParseError},
     sequence::tuple,
@@ -120,12 +118,8 @@ impl Serializer<BlockMessage> for BlockMessageSerializer {
         value: &BlockMessage,
         buffer: &mut Vec<u8>,
     ) -> Result<(), massa_serialization::SerializeError> {
-        self.id_serializer.serialize(
-            &MessageTypeId::from(value).try_into().map_err(|_| {
-                SerializeError::GeneralError(String::from("Failed to serialize id"))
-            })?,
-            buffer,
-        )?;
+        self.id_serializer
+            .serialize(&MessageTypeId::from(value).into(), buffer)?;
         match value {
             BlockMessage::Header(header) => {
                 self.secure_share_serializer.serialize(header, buffer)?;
@@ -275,9 +269,7 @@ impl Deserializer<BlockMessage> for BlockMessageDeserializer {
                     "Failed BlockDataRequest deserialization",
                     tuple((
                         context("Failed BlockId deserialization", |input| {
-                            self.block_id_deserializer
-                                .deserialize(input)
-                                .map(|(rest, id)| (rest, id))
+                            self.block_id_deserializer.deserialize(input)
                         }),
                         context("Failed infos deserialization", |input| {
                             let (rest, raw_id) = self.id_deserializer.deserialize(input)?;
@@ -317,9 +309,7 @@ impl Deserializer<BlockMessage> for BlockMessageDeserializer {
                     "Failed BlockDataResponse deserialization",
                     tuple((
                         context("Failed BlockId deserialization", |input| {
-                            self.block_id_deserializer
-                                .deserialize(input)
-                                .map(|(rest, id)| (rest, id))
+                            self.block_id_deserializer.deserialize(input)
                         }),
                         context("Failed infos deserialization", |input| {
                             let (rest, raw_id) = self.id_deserializer.deserialize(input)?;
diff --git a/massa-protocol-worker/src/handlers/block_handler/mod.rs b/massa-protocol-worker/src/handlers/block_handler/mod.rs
index 5beda278b51..b750cb3757d 100644
--- a/massa-protocol-worker/src/handlers/block_handler/mod.rs
+++ b/massa-protocol-worker/src/handlers/block_handler/mod.rs
@@ -27,9 +27,7 @@ mod retrieval;
 pub(crate) use messages::{BlockMessage, BlockMessageSerializer};
 
 #[cfg(test)]
-pub use messages::{
-    AskForBlockInfo, BlockInfoReply, BlockMessageDeserializer, BlockMessageDeserializerArgs,
-};
+pub use messages::{AskForBlockInfo, BlockInfoReply};
 
 use super::{
     endorsement_handler::{
diff --git a/massa-protocol-worker/src/handlers/endorsement_handler/messages.rs b/massa-protocol-worker/src/handlers/endorsement_handler/messages.rs
index 18350203756..2e36072e9d4 100644
--- a/massa-protocol-worker/src/handlers/endorsement_handler/messages.rs
+++ b/massa-protocol-worker/src/handlers/endorsement_handler/messages.rs
@@ -2,9 +2,7 @@ use massa_models::{
     endorsement::{Endorsement, EndorsementDeserializer, SecureShareEndorsement},
     secure_share::{SecureShareDeserializer, SecureShareSerializer},
 };
-use massa_serialization::{
-    Deserializer, SerializeError, Serializer, U64VarIntDeserializer, U64VarIntSerializer,
-};
+use massa_serialization::{Deserializer, Serializer, U64VarIntDeserializer, U64VarIntSerializer};
 use nom::{
     error::{context, ContextError, ParseError},
     multi::length_count,
@@ -56,12 +54,8 @@ impl Serializer<EndorsementMessage> for EndorsementMessageSerializer {
         value: &EndorsementMessage,
         buffer: &mut Vec<u8>,
     ) -> Result<(), massa_serialization::SerializeError> {
-        self.id_serializer.serialize(
-            &MessageTypeId::from(value).try_into().map_err(|_| {
-                SerializeError::GeneralError(String::from("Failed to serialize id"))
-            })?,
-            buffer,
-        )?;
+        self.id_serializer
+            .serialize(&MessageTypeId::from(value).into(), buffer)?;
         match value {
             EndorsementMessage::Endorsements(endorsements) => {
                 self.length_endorsements_serializer
diff --git a/massa-protocol-worker/src/handlers/operation_handler/messages.rs b/massa-protocol-worker/src/handlers/operation_handler/messages.rs
index 3e07359cebe..40663164fea 100644
--- a/massa-protocol-worker/src/handlers/operation_handler/messages.rs
+++ b/massa-protocol-worker/src/handlers/operation_handler/messages.rs
@@ -63,12 +63,8 @@ impl Serializer<OperationMessage> for OperationMessageSerializer {
         value: &OperationMessage,
         buffer: &mut Vec<u8>,
     ) -> Result<(), SerializeError> {
-        self.id_serializer.serialize(
-            &MessageTypeId::from(value).try_into().map_err(|_| {
-                SerializeError::GeneralError(String::from("Failed to serialize id"))
-            })?,
-            buffer,
-        )?;
+        self.id_serializer
+            .serialize(&MessageTypeId::from(value).into(), buffer)?;
         match value {
             OperationMessage::OperationsAnnouncement(operations) => {
                 self.operation_prefix_ids_serializer
diff --git a/massa-protocol-worker/src/handlers/peer_handler/messages.rs b/massa-protocol-worker/src/handlers/peer_handler/messages.rs
index 66f9e2afbd3..ac6a62df467 100644
--- a/massa-protocol-worker/src/handlers/peer_handler/messages.rs
+++ b/massa-protocol-worker/src/handlers/peer_handler/messages.rs
@@ -2,9 +2,7 @@ use std::{collections::HashMap, net::SocketAddr, ops::Bound::Included};
 
 use massa_models::serialization::{IpAddrDeserializer, IpAddrSerializer};
 use massa_protocol_exports::{PeerId, PeerIdDeserializer, PeerIdSerializer};
-use massa_serialization::{
-    Deserializer, SerializeError, Serializer, U64VarIntDeserializer, U64VarIntSerializer,
-};
+use massa_serialization::{Deserializer, Serializer, U64VarIntDeserializer, U64VarIntSerializer};
 use nom::{
     error::{context, ContextError, ParseError},
     multi::length_count,
@@ -65,12 +63,8 @@ impl Serializer<PeerManagementMessage> for PeerManagementMessageSerializer {
         value: &PeerManagementMessage,
         buffer: &mut Vec<u8>,
     ) -> Result<(), massa_serialization::SerializeError> {
-        self.id_serializer.serialize(
-            &MessageTypeId::from(value).try_into().map_err(|_| {
-                SerializeError::GeneralError(String::from("Failed to serialize id"))
-            })?,
-            buffer,
-        )?;
+        self.id_serializer
+            .serialize(&MessageTypeId::from(value).into(), buffer)?;
         match value {
             PeerManagementMessage::NewPeerConnected((peer_id, listeners)) => {
                 self.peer_id_serializer.serialize(peer_id, buffer)?;
diff --git a/massa-protocol-worker/src/handlers/peer_handler/mod.rs b/massa-protocol-worker/src/handlers/peer_handler/mod.rs
index bc531327bbb..7b583e5a3aa 100644
--- a/massa-protocol-worker/src/handlers/peer_handler/mod.rs
+++ b/massa-protocol-worker/src/handlers/peer_handler/mod.rs
@@ -56,6 +56,7 @@ mod tester;
 
 pub(crate) use messages::{PeerManagementMessage, PeerManagementMessageSerializer};
 
+#[allow(dead_code)]
 pub struct PeerManagementHandler {
     pub peer_db: SharedPeerDB,
     pub thread_join: Option<JoinHandle<()>>,
diff --git a/massa-protocol-worker/src/handlers/peer_handler/models.rs b/massa-protocol-worker/src/handlers/peer_handler/models.rs
index 1bf6209458d..7e3c05f44c8 100644
--- a/massa-protocol-worker/src/handlers/peer_handler/models.rs
+++ b/massa-protocol-worker/src/handlers/peer_handler/models.rs
@@ -186,6 +186,7 @@ pub enum PeerManagementCmd {
     Stop,
 }
 
+#[allow(dead_code)]
 pub struct PeerManagementChannel {
     pub msg_sender: MassaSender<PeerMessageTuple>,
     pub command_sender: MassaSender<PeerManagementCmd>,
diff --git a/massa-protocol-worker/src/messages.rs b/massa-protocol-worker/src/messages.rs
index 20ea6c4b7ef..63807fdeb19 100644
--- a/massa-protocol-worker/src/messages.rs
+++ b/massa-protocol-worker/src/messages.rs
@@ -137,15 +137,7 @@ impl PeerNetMessagesSerializer<Message> for MessagesSerializer {
     /// Serialize the message
     fn serialize(&self, message: &Message, buffer: &mut Vec<u8>) -> PeerNetResult<()> {
         self.id_serializer
-            .serialize(
-                &MessageTypeId::from(message).try_into().map_err(|_| {
-                    PeerNetError::HandlerError.error(
-                        "MessagesSerializer",
-                        Some(String::from("Failed to serialize id")),
-                    )
-                })?,
-                buffer,
-            )
+            .serialize(&MessageTypeId::from(message).into(), buffer)
             .map_err(|err| {
                 PeerNetError::HandlerError.error(
                     "MessagesHandler",
diff --git a/massa-protocol-worker/src/tests/universe.rs b/massa-protocol-worker/src/tests/universe.rs
index 96c687434d1..2ae3ce16ffc 100644
--- a/massa-protocol-worker/src/tests/universe.rs
+++ b/massa-protocol-worker/src/tests/universe.rs
@@ -39,6 +39,7 @@ use num::rational::Ratio;
 use std::ops::Bound::Included;
 use tracing::{debug, log::warn};
 
+#[allow(dead_code)]
 pub struct ProtocolTestUniverse {
     pub module_controller: Box<dyn ProtocolController>,
     module_manager: Box<dyn ProtocolManager>,
diff --git a/massa-protocol-worker/src/wrap_network.rs b/massa-protocol-worker/src/wrap_network.rs
index b69d3e8b971..d81f73e05bd 100644
--- a/massa-protocol-worker/src/wrap_network.rs
+++ b/massa-protocol-worker/src/wrap_network.rs
@@ -118,6 +118,7 @@ impl ActiveConnectionsTrait for SharedActiveConnections<PeerId> {
     }
 }
 
+#[allow(dead_code)]
 #[cfg_attr(test, mockall::automock)]
 pub trait NetworkController: Send + Sync {
     fn get_active_connections(&self) -> Box<dyn ActiveConnectionsTrait>;
diff --git a/massa-storage/src/lib.rs b/massa-storage/src/lib.rs
index d05490dcb64..1d150196aba 100644
--- a/massa-storage/src/lib.rs
+++ b/massa-storage/src/lib.rs
@@ -95,7 +95,8 @@ impl Storage {
     /// Creates a new `Storage` instance. Must be called only one time in the execution:
     /// - In the main for the node
     /// - At the top of the test in tests
-    /// All others instances of Storage must be cloned from this one using `clone()` or `clone_without_refs()`.
+    ///
+    /// All others instance of Storage must be cloned from this one using `clone()` or `clone_without_refs()`.
     pub fn create_root() -> Storage {
         Storage {
             blocks: Default::default(),
diff --git a/massa-versioning/src/versioning.rs b/massa-versioning/src/versioning.rs
index 2c73ef54941..3ad72745524 100644
--- a/massa-versioning/src/versioning.rs
+++ b/massa-versioning/src/versioning.rs
@@ -1123,7 +1123,7 @@ impl MipStoreRaw {
             .iter()
             .rev()
             .filter(|(mi, ms)| {
-                mi.components.get(component).is_some()
+                mi.components.contains_key(component)
                     && matches!(ms.state, ComponentState::Active(_))
             })
             .find_map(|(mi, ms)| {
diff --git a/massa-versioning/src/versioning_factory.rs b/massa-versioning/src/versioning_factory.rs
index 8897226d36d..33a71989840 100644
--- a/massa-versioning/src/versioning_factory.rs
+++ b/massa-versioning/src/versioning_factory.rs
@@ -144,6 +144,7 @@ mod test {
         }
     }
 
+    #[allow(dead_code)]
     #[derive(Debug)]
     enum TestAddress {
         V0(TestAddressV0),
diff --git a/massa-versioning/src/versioning_ser_der.rs b/massa-versioning/src/versioning_ser_der.rs
index 339747f516b..463adb7c7a3 100644
--- a/massa-versioning/src/versioning_ser_der.rs
+++ b/massa-versioning/src/versioning_ser_der.rs
@@ -168,13 +168,7 @@ impl Deserializer<MipInfo> for MipInfoDeserializer {
                         tuple((
                             context("Failed component deserialization", |input| {
                                 let (rem, component_) = self.u32_deserializer.deserialize(input)?;
-                                let component =
-                                    MipComponent::try_from(component_).map_err(|_| {
-                                        nom::Err::Error(ParseError::from_error_kind(
-                                            input,
-                                            nom::error::ErrorKind::Fail,
-                                        ))
-                                    })?;
+                                let component = MipComponent::from(component_);
                                 IResult::Ok((rem, component))
                             }),
                             context("Failed component version deserialization", |input| {
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index 27ae62c5bcb..1de01fa45c4 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,2 +1,2 @@
 [toolchain]
-channel = "1.74.1"
+channel = "1.81.0"