diff --git a/.github/workflows/ci.generate.ts b/.github/workflows/ci.generate.ts
index f82dc3dc51..23e5227283 100755
--- a/.github/workflows/ci.generate.ts
+++ b/.github/workflows/ci.generate.ts
@@ -5,7 +5,7 @@ import * as yaml from "https://deno.land/std@0.173.0/encoding/yaml.ts";
 // Bump this number when you want to purge the cache.
 // Note: the tools/release/01_bump_crate_versions.ts script will update this version
 // automatically via regex, so ensure that this line maintains this format.
-const cacheVersion = 44;
+const cacheVersion = 45;
 
 const Runners = (() => {
   const ubuntuRunner = "ubuntu-22.04";
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 121f1af8a7..d95710cfed 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -304,8 +304,8 @@ jobs:
           path: |-
             ~/.cargo/registry/index
             ~/.cargo/registry/cache
-          key: '44-cargo-home-${{ matrix.os }}-${{ hashFiles(''Cargo.lock'') }}'
-          restore-keys: '44-cargo-home-${{ matrix.os }}'
+          key: '45-cargo-home-${{ matrix.os }}-${{ hashFiles(''Cargo.lock'') }}'
+          restore-keys: '45-cargo-home-${{ matrix.os }}'
         if: '!(github.event_name == ''pull_request'' && matrix.skip_pr)'
       - name: Restore cache build output (PR)
         uses: actions/cache/restore@v3
@@ -317,7 +317,7 @@ jobs:
             !./target/*/*.zip
             !./target/*/*.tar.gz
           key: never_saved
-          restore-keys: '44-cargo-target-${{ matrix.os }}-${{ matrix.profile }}-${{ matrix.job }}-'
+          restore-keys: '45-cargo-target-${{ matrix.os }}-${{ matrix.profile }}-${{ matrix.job }}-'
       - name: Apply and update mtime cache
         if: '!(github.event_name == ''pull_request'' && matrix.skip_pr) && (!startsWith(github.ref, ''refs/tags/''))'
         uses: ./.github/mtime_cache
@@ -605,7 +605,7 @@ jobs:
             !./target/*/gn_out
             !./target/*/*.zip
             !./target/*/*.tar.gz
-          key: '44-cargo-target-${{ matrix.os }}-${{ matrix.profile }}-${{ matrix.job }}-${{ github.sha }}'
+          key: '45-cargo-target-${{ matrix.os }}-${{ matrix.profile }}-${{ matrix.job }}-${{ github.sha }}'
   publish-canary:
     name: publish canary
     runs-on: ubuntu-22.04
diff --git a/cli/args/lockfile.rs b/cli/args/lockfile.rs
index 2a874a6981..9903ba6421 100644
--- a/cli/args/lockfile.rs
+++ b/cli/args/lockfile.rs
@@ -122,7 +122,7 @@ pub async fn snapshot_from_lockfile(
   while let Some(result) = version_infos.next().await {
     match result {
       Ok(version_info) => {
-        let mut package = &mut packages[i];
+        let package = &mut packages[i];
         package.dist = version_info.dist;
         package.system = NpmResolutionPackageSystemInfo {
           cpu: version_info.cpu,
diff --git a/cli/tools/coverage/range_tree.rs b/cli/tools/coverage/range_tree.rs
index 8b3d36cd81..c3bba79429 100644
--- a/cli/tools/coverage/range_tree.rs
+++ b/cli/tools/coverage/range_tree.rs
@@ -86,7 +86,7 @@ impl<'rt> RangeTree<'rt> {
           };
         if is_chain_end {
           let mut chain_iter = chain.drain(..);
-          let mut head: &'a mut RangeTree<'a> = chain_iter.next().unwrap();
+          let head: &'a mut RangeTree<'a> = chain_iter.next().unwrap();
           for tree in chain_iter {
             head.end = tree.end;
             for sub_child in tree.children.drain(..) {
@@ -100,7 +100,7 @@ impl<'rt> RangeTree<'rt> {
       }
       if !chain.is_empty() {
         let mut chain_iter = chain.drain(..);
-        let mut head: &'a mut RangeTree<'a> = chain_iter.next().unwrap();
+        let head: &'a mut RangeTree<'a> = chain_iter.next().unwrap();
         for tree in chain_iter {
           head.end = tree.end;
           for sub_child in tree.children.drain(..) {
diff --git a/cli/tools/repl/editor.rs b/cli/tools/repl/editor.rs
index 759ff23d3c..a27671b217 100644
--- a/cli/tools/repl/editor.rs
+++ b/cli/tools/repl/editor.rs
@@ -530,8 +530,7 @@ impl ConditionalEventHandler for TabEventHandler {
     if ctx.line().is_empty()
       || ctx.line()[..ctx.pos()]
         .chars()
-        .rev()
-        .next()
+        .next_back()
         .filter(|c| c.is_whitespace())
         .is_some()
     {
diff --git a/ext/http/websocket_upgrade.rs b/ext/http/websocket_upgrade.rs
index 70ad785267..f57f9e56ba 100644
--- a/ext/http/websocket_upgrade.rs
+++ b/ext/http/websocket_upgrade.rs
@@ -131,12 +131,9 @@ impl<T: Default> WebSocketUpgrade<T> {
           HEADER_SEARCHER.get_or_init(|| TwoWaySearcher::new(b"\r\n\r\n"));
         let header_searcher2 =
           HEADER_SEARCHER2.get_or_init(|| TwoWaySearcher::new(b"\n\n"));
-        if let Some(..) = header_searcher.search_in(&self.buf) {
-          let (index, response) = parse_response(&self.buf)?;
-          let mut buf = std::mem::take(&mut self.buf);
-          self.state = Complete;
-          Ok(Some((response, buf.split_off(index).freeze())))
-        } else if let Some(..) = header_searcher2.search_in(&self.buf) {
+        if header_searcher.search_in(&self.buf).is_some()
+          || header_searcher2.search_in(&self.buf).is_some()
+        {
           let (index, response) = parse_response(&self.buf)?;
           let mut buf = std::mem::take(&mut self.buf);
           self.state = Complete;
diff --git a/ext/napi/function.rs b/ext/napi/function.rs
index 49e9a35701..a999972255 100644
--- a/ext/napi/function.rs
+++ b/ext/napi/function.rs
@@ -37,7 +37,7 @@ extern "C" fn call_fn(info: *const v8::FunctionCallbackInfo) {
   };
 
   // SAFETY: pointer from Box::into_raw.
-  let mut info = unsafe { &mut *info_ptr };
+  let info = unsafe { &mut *info_ptr };
   info.args = &args as *const _ as *const c_void;
 
   if let Some(f) = info.cb {
diff --git a/ext/web/hr_timer_lock.rs b/ext/web/hr_timer_lock.rs
index f1f588d6c8..cd141a638e 100644
--- a/ext/web/hr_timer_lock.rs
+++ b/ext/web/hr_timer_lock.rs
@@ -63,5 +63,5 @@ pub(crate) fn hr_timer_lock() -> windows::HrTimerLock {
 /// No-op on other platforms.
 #[cfg(not(target_os = "windows"))]
 pub(crate) fn hr_timer_lock() -> (std::marker::PhantomData<()>,) {
-  (std::marker::PhantomData::default(),)
+  Default::default()
 }
diff --git a/runtime/ops/os/sys_info.rs b/runtime/ops/os/sys_info.rs
index d51ac1fb40..e9cbbafb6e 100644
--- a/runtime/ops/os/sys_info.rs
+++ b/runtime/ops/os/sys_info.rs
@@ -210,7 +210,7 @@ pub fn mem_info() -> Option<MemInfo> {
       mem_info.buffers = info.bufferram * mem_unit;
     }
   }
-  #[cfg(any(target_vendor = "apple"))]
+  #[cfg(target_vendor = "apple")]
   {
     let mut mib: [i32; 2] = [0, 0];
     mib[0] = libc::CTL_HW;
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index 0538cafabc..9058c7d87d 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,3 +1,3 @@
 [toolchain]
-channel = "1.70"
+channel = "1.71.0"
 components = ["rustfmt", "clippy"]
diff --git a/test_ffi/tests/thread_safe_test.js b/test_ffi/tests/thread_safe_test.js
index 41ab803be8..fd5e1840c4 100644
--- a/test_ffi/tests/thread_safe_test.js
+++ b/test_ffi/tests/thread_safe_test.js
@@ -84,7 +84,8 @@ const cleanupCallback = new Deno.UnsafeCallback(
   { parameters: [], result: "void" },
   () => {
     console.log("Callback being called");
-    queueMicrotask(() => cleanup());
+    // Defer the cleanup to give the spawned thread all the time it needs to properly shut down
+    setTimeout(() => cleanup(), 100);
   },
 );