diff --git a/fvm/src/blockstore/buffered.rs b/fvm/src/blockstore/buffered.rs
index 0e0cd9031..0c0f90330 100644
--- a/fvm/src/blockstore/buffered.rs
+++ b/fvm/src/blockstore/buffered.rs
@@ -181,7 +181,9 @@ fn take_reachable(cache: &mut HashMap<Cid, Vec<u8>>, root: &Cid) -> Result<Vec<(
             //
             // The alternative would be to check if it's in the datastore, but that's likely even more
             // expensive. And there wouldn't be much we could do at that point but abort the block.
-            let Some(block) = cache.remove(&k) else { continue };
+            let Some(block) = cache.remove(&k) else {
+                continue;
+            };
 
             // At the moment, only DAG_CBOR can link to other blocks.
             if k.codec() == DAG_CBOR {
diff --git a/fvm/src/state_tree.rs b/fvm/src/state_tree.rs
index 6d40e364b..e3e74e928 100644
--- a/fvm/src/state_tree.rs
+++ b/fvm/src/state_tree.rs
@@ -621,7 +621,7 @@ mod tests {
         tree.set_actor(INIT_ACTOR_ID, act_s);
 
         // Test mutate function
-        tree.mutate_actor(INIT_ACTOR_ID, |mut actor| {
+        tree.mutate_actor(INIT_ACTOR_ID, |actor| {
             actor.sequence = 2;
             Ok(())
         })
diff --git a/fvm/src/syscalls/bind.rs b/fvm/src/syscalls/bind.rs
index 5ebb2d765..db1358fd3 100644
--- a/fvm/src/syscalls/bind.rs
+++ b/fvm/src/syscalls/bind.rs
@@ -125,7 +125,7 @@ macro_rules! impl_bind_syscalls {
                     self.func_wrap(module, name, move |mut caller: Caller<'_, InvocationData<K>> $(, $t: $t)*| {
                         charge_for_exec(&mut caller)?;
 
-                        let (mut memory, mut data) = memory_and_data(&mut caller);
+                        let (mut memory, data) = memory_and_data(&mut caller);
                         charge_syscall_gas!(data.kernel);
 
                         let ctx = Context{kernel: &mut data.kernel, memory: &mut memory};
@@ -155,7 +155,7 @@ macro_rules! impl_bind_syscalls {
                     self.func_wrap(module, name, move |mut caller: Caller<'_, InvocationData<K>>, ret: u32 $(, $t: $t)*| {
                         charge_for_exec(&mut caller)?;
 
-                        let (mut memory, mut data) = memory_and_data(&mut caller);
+                        let (mut memory, data) = memory_and_data(&mut caller);
                         charge_syscall_gas!(data.kernel);
 
                         // We need to check to make sure we can store the return value _before_ we do anything.
diff --git a/fvm/src/syscalls/mod.rs b/fvm/src/syscalls/mod.rs
index 26cbf242a..60ae4450b 100644
--- a/fvm/src/syscalls/mod.rs
+++ b/fvm/src/syscalls/mod.rs
@@ -26,7 +26,7 @@ mod send;
 mod sself;
 mod vm;
 
-pub(self) use context::Context;
+use context::Context;
 
 /// Invocation data attached to a wasm "store" and available to the syscall binding.
 pub struct InvocationData<K> {
@@ -170,7 +170,7 @@ pub fn charge_for_init<K: Kernel>(
 ) -> crate::kernel::Result<GasTimer> {
     let min_memory_bytes = min_memory_bytes(module)?;
     let mut ctx = ctx.as_context_mut();
-    let mut data = ctx.data_mut();
+    let data = ctx.data_mut();
     let memory_gas = data.kernel.price_list().init_memory_gas(min_memory_bytes);
 
     // Adjust `last_memory_bytes` so that we don't charge for it again in `charge_for_exec`.
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index ee6c1e260..9c924956f 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,4 +1,4 @@
 [toolchain]
-channel = "1.70.0"
+channel = "1.78.0"
 components = ["clippy", "llvm-tools-preview", "rustfmt"]
 targets = ["wasm32-unknown-unknown"]
diff --git a/sdk/src/message.rs b/sdk/src/message.rs
index 8426e73f3..ed29aa02e 100644
--- a/sdk/src/message.rs
+++ b/sdk/src/message.rs
@@ -1,7 +1,5 @@
 // Copyright 2021-2023 Protocol Labs
 // SPDX-License-Identifier: Apache-2.0, MIT
-use std::convert::TryInto;
-
 use fvm_ipld_encoding::ipld_block::IpldBlock;
 use fvm_shared::econ::TokenAmount;
 use fvm_shared::sys::out::vm::MessageContext;
@@ -51,18 +49,12 @@ pub fn method_number() -> MethodNum {
 /// Returns the value received from the caller in AttoFIL.
 #[inline(always)]
 pub fn value_received() -> TokenAmount {
-    MESSAGE_CONTEXT
-        .value_received
-        .try_into()
-        .expect("invalid bigint")
+    MESSAGE_CONTEXT.value_received.into()
 }
 
 /// Returns the execution gas premium
 pub fn gas_premium() -> TokenAmount {
-    MESSAGE_CONTEXT
-        .gas_premium
-        .try_into()
-        .expect("invalid bigint")
+    MESSAGE_CONTEXT.gas_premium.into()
 }
 
 /// Returns the message parameters as an Option<IpldBlock>.
diff --git a/shared/src/address/mod.rs b/shared/src/address/mod.rs
index c4367ae8b..898f7b4f0 100644
--- a/shared/src/address/mod.rs
+++ b/shared/src/address/mod.rs
@@ -238,7 +238,7 @@ impl quickcheck::Arbitrary for Address {
     }
 }
 
-pub(self) fn parse_address(addr: &str) -> Result<(Address, Network), Error> {
+fn parse_address(addr: &str) -> Result<(Address, Network), Error> {
     if addr.len() > MAX_ADDRRESS_TEXT_LEN || addr.len() < 3 {
         return Err(Error::InvalidLength);
     }
@@ -380,6 +380,19 @@ pub(crate) fn from_leb_bytes(bz: &[u8]) -> Result<u64, Error> {
     Ok(id)
 }
 
+/// Returns an address hash for given data
+fn address_hash(ingest: &[u8]) -> [u8; 20] {
+    let digest = blake2b_simd::Params::new()
+        .hash_length(PAYLOAD_HASH_LEN)
+        .to_state()
+        .update(ingest)
+        .finalize();
+
+    let mut hash = [0u8; 20];
+    hash.copy_from_slice(digest.as_bytes());
+    hash
+}
+
 #[cfg(test)]
 mod tests {
     // Test cases for FOR-02: https://github.com/ChainSafe/forest/issues/1134
@@ -428,16 +441,3 @@ mod tests {
         }
     }
 }
-
-/// Returns an address hash for given data
-fn address_hash(ingest: &[u8]) -> [u8; 20] {
-    let digest = blake2b_simd::Params::new()
-        .hash_length(PAYLOAD_HASH_LEN)
-        .to_state()
-        .update(ingest)
-        .finalize();
-
-    let mut hash = [0u8; 20];
-    hash.copy_from_slice(digest.as_bytes());
-    hash
-}
diff --git a/shared/src/econ/mod.rs b/shared/src/econ/mod.rs
index 458d6cfb5..b2b9b0884 100644
--- a/shared/src/econ/mod.rs
+++ b/shared/src/econ/mod.rs
@@ -81,17 +81,17 @@ impl Zero for TokenAmount {
     }
 }
 
-impl PartialOrd for TokenAmount {
+impl Ord for TokenAmount {
     #[inline]
-    fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
-        self.atto.partial_cmp(&other.atto)
+    fn cmp(&self, other: &Self) -> Ordering {
+        self.atto.cmp(&other.atto)
     }
 }
 
-impl Ord for TokenAmount {
+impl PartialOrd for TokenAmount {
     #[inline]
-    fn cmp(&self, other: &Self) -> Ordering {
-        self.atto.cmp(&other.atto)
+    fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
+        Some(self.cmp(other))
     }
 }
 
diff --git a/shared/tests/address_test.rs b/shared/tests/address_test.rs
index 0ce8bc492..6af767c13 100644
--- a/shared/tests/address_test.rs
+++ b/shared/tests/address_test.rs
@@ -581,7 +581,7 @@ fn address_hashmap() {
 
     // insert other value
     let h2 = Address::new_id(2);
-    assert!(hm.get(&h2).is_none());
+    assert!(!hm.contains_key(&h2));
     hm.insert(h2, 2);
     assert_eq!(hm.get(&h2).unwrap(), &2);
 
diff --git a/testing/conformance/src/driver.rs b/testing/conformance/src/driver.rs
index 2240d064f..369300dd0 100644
--- a/testing/conformance/src/driver.rs
+++ b/testing/conformance/src/driver.rs
@@ -41,8 +41,7 @@ lazy_static! {
     /// Override prices with a different network version.
     static ref PRICE_NETWORK_VERSION: Option<NetworkVersion> = std::env::var("PRICE_NETWORK_VERSION").ok()
         .map(|nv| {
-            let nv = nv.parse::<u32>().expect("PRICE_NETWORK_VERSION should be a number");
-            NetworkVersion::try_from(nv).expect("unknown price network version")
+            nv.parse::<u32>().expect("PRICE_NETWORK_VERSION should be a number").into()
         });
 }
 
diff --git a/testing/conformance/src/vm.rs b/testing/conformance/src/vm.rs
index 59952a8f5..3bcaa9a30 100644
--- a/testing/conformance/src/vm.rs
+++ b/testing/conformance/src/vm.rs
@@ -1,9 +1,7 @@
 // Copyright 2021-2023 Protocol Labs
 // SPDX-License-Identifier: Apache-2.0, MIT
-use std::convert::TryFrom;
 use std::sync::{Arc, Mutex};
 
-use anyhow::anyhow;
 use cid::Cid;
 use multihash::MultihashGeneric;
 
@@ -84,9 +82,7 @@ impl TestMachine<Box<DefaultMachine<MemoryBlockstore, TestExterns>>> {
         tracing: bool,
         price_network_version: Option<NetworkVersion>,
     ) -> anyhow::Result<TestMachine<Box<DefaultMachine<MemoryBlockstore, TestExterns>>>> {
-        let network_version = NetworkVersion::try_from(variant.nv)
-            .map_err(|_| anyhow!("unrecognized network version"))?;
-
+        let network_version = variant.nv.into();
         let base_fee = v
             .preconditions
             .basefee
diff --git a/testing/integration/tests/gas_calibration_test.rs b/testing/integration/tests/gas_calibration_test.rs
index 472745130..5f34fd6c4 100644
--- a/testing/integration/tests/gas_calibration_test.rs
+++ b/testing/integration/tests/gas_calibration_test.rs
@@ -210,7 +210,7 @@ fn on_event_target_size() {
         };
     }
 
-    for (obs, name) in vec![(validate_obs, CHARGE_VALIDATE), (accept_obs, CHARGE_ACCEPT)].iter() {
+    for (obs, name) in &[(validate_obs, CHARGE_VALIDATE), (accept_obs, CHARGE_ACCEPT)] {
         let regression = run_linear_regression(obs);
 
         export(name, obs, &regression).unwrap();
diff --git a/testing/test_actors/actors/fil-exit-data-actor/src/actor.rs b/testing/test_actors/actors/fil-exit-data-actor/src/actor.rs
index 5e75b7932..33c55121d 100644
--- a/testing/test_actors/actors/fil-exit-data-actor/src/actor.rs
+++ b/testing/test_actors/actors/fil-exit-data-actor/src/actor.rs
@@ -15,7 +15,7 @@ pub fn invoke(blk: u32) -> u32 {
 fn invoke_method(_: u32) -> ! {
     let method = sdk::message::method_number();
     let exit_code = match method {
-        0 | 1 | 2 => 0,
+        0..=2 => 0,
         _ => 0x42,
     };
 
diff --git a/testing/test_actors/actors/fil-gas-calibration-actor/src/actor.rs b/testing/test_actors/actors/fil-gas-calibration-actor/src/actor.rs
index 76636de03..edbbef4cc 100644
--- a/testing/test_actors/actors/fil-gas-calibration-actor/src/actor.rs
+++ b/testing/test_actors/actors/fil-gas-calibration-actor/src/actor.rs
@@ -165,7 +165,9 @@ fn on_event(p: OnEventParams) -> Result<()> {
 fn on_event_shape(p: OnEventParams) -> Result<()> {
     const MAX_DATA: usize = 8 << 10;
 
-    let EventCalibrationMode::Shape((key_size, value_size, last_value_size)) = p.mode else { panic!() };
+    let EventCalibrationMode::Shape((key_size, value_size, last_value_size)) = p.mode else {
+        panic!()
+    };
     let mut value = vec![0; value_size];
 
     // the last entry may not exceed total event values over MAX_DATA
@@ -203,7 +205,9 @@ fn on_event_shape(p: OnEventParams) -> Result<()> {
 }
 
 fn on_event_target_size(p: OnEventParams) -> Result<()> {
-    let EventCalibrationMode::TargetSize(target_size) = p.mode else { panic!() };
+    let EventCalibrationMode::TargetSize(target_size) = p.mode else {
+        panic!()
+    };
 
     // Deduct the approximate overhead of each entry (3 bytes) + flag (1 byte). This
     // is fuzzy because the size of the encoded CBOR depends on the length of fields, but it's good enough.
@@ -240,7 +244,7 @@ fn random_bytes(size: usize, seed: u64) -> Vec<u8> {
     lcg8(seed).take(size).collect()
 }
 
-fn random_mutations(data: &mut Vec<u8>, seed: u64, n: usize) {
+fn random_mutations(data: &mut [u8], seed: u64, n: usize) {
     let size = data.len();
     if size > 0 {
         for (i, b) in lcg64(seed).zip(lcg8(seed + 1)).take(n) {
diff --git a/testing/test_actors/actors/fil-oom-actor/src/lib.rs b/testing/test_actors/actors/fil-oom-actor/src/lib.rs
index 3c8da29c0..34cb659c2 100644
--- a/testing/test_actors/actors/fil-oom-actor/src/lib.rs
+++ b/testing/test_actors/actors/fil-oom-actor/src/lib.rs
@@ -1,5 +1,6 @@
 // Copyright 2021-2023 Protocol Labs
 // SPDX-License-Identifier: Apache-2.0, MIT
+#![allow(clippy::slow_vector_initialization)]
 
 /// Placeholder invoke for testing
 #[no_mangle]