diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 662808af93..f57513d3e9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -66,7 +66,7 @@ jobs:
       - name: Install rust
         uses: hecrj/setup-rust-action@v1
         with:
-          rust-version: 1.48.0
+          rust-version: 1.49.0
 
       - name: Install clippy and rustfmt
         if: matrix.kind == 'lint'
diff --git a/cli/module_graph.rs b/cli/module_graph.rs
index d1e51bd4ca..e86732b24c 100644
--- a/cli/module_graph.rs
+++ b/cli/module_graph.rs
@@ -2300,10 +2300,11 @@ pub mod tests {
       .expect("should have checked");
     assert!(result_info.maybe_ignored_options.is_none());
     assert!(result_info.diagnostics.is_empty());
-    let h = handler.lock().unwrap();
-    assert_eq!(h.version_calls.len(), 2);
-    let ver0 = h.version_calls[0].1.clone();
-    let ver1 = h.version_calls[1].1.clone();
+    let (ver0, ver1) = {
+      let h = handler.lock().unwrap();
+      assert_eq!(h.version_calls.len(), 2);
+      (h.version_calls[0].1.clone(), h.version_calls[1].1.clone())
+    };
 
     // let's do it all over again to ensure that the versions are determinstic
     let (graph, handler) = setup(specifier).await;
diff --git a/cli/standalone.rs b/cli/standalone.rs
index fea42fc969..af38fd4ebb 100644
--- a/cli/standalone.rs
+++ b/cli/standalone.rs
@@ -107,10 +107,12 @@ impl ModuleLoader for EmbeddedModuleLoader {
 }
 
 async fn run(source_code: String, args: Vec<String>) -> Result<(), AnyError> {
-  let mut flags = Flags::default();
-  flags.argv = args[1..].to_vec();
-  // TODO(lucacasonato): remove once you can specify this correctly through embedded metadata
-  flags.unstable = true;
+  let flags = Flags {
+    argv: args[1..].to_vec(),
+    // TODO(lucacasonato): remove once you can specify this correctly through embedded metadata
+    unstable: true,
+    ..Default::default()
+  };
   let main_module = ModuleSpecifier::resolve_url(SPECIFIER)?;
   let permissions = Permissions::allow_all();
   let module_loader = Rc::new(EmbeddedModuleLoader(source_code));
diff --git a/core/async_cancel.rs b/core/async_cancel.rs
index 90cb0c41ff..51ed4c6476 100644
--- a/core/async_cancel.rs
+++ b/core/async_cancel.rs
@@ -334,7 +334,7 @@ mod internal {
 
   impl PartialEq for Node {
     fn eq(&self, other: &Self) -> bool {
-      self as *const _ == other as *const _
+      std::ptr::eq(self, other)
     }
   }
 
diff --git a/runtime/ops/fs.rs b/runtime/ops/fs.rs
index d6d7d7e787..d088880f74 100644
--- a/runtime/ops/fs.rs
+++ b/runtime/ops/fs.rs
@@ -1660,15 +1660,14 @@ async fn op_utime_async(
   args: Value,
   _zero_copy: BufVec,
 ) -> Result<Value, AnyError> {
-  let state = state.borrow();
-  super::check_unstable(&state, "Deno.utime");
+  super::check_unstable(&state.borrow(), "Deno.utime");
 
   let args: UtimeArgs = serde_json::from_value(args)?;
   let path = PathBuf::from(&args.path);
   let atime = filetime::FileTime::from_unix_time(args.atime.0, args.atime.1);
   let mtime = filetime::FileTime::from_unix_time(args.mtime.0, args.mtime.1);
 
-  state.borrow::<Permissions>().check_write(&path)?;
+  state.borrow().borrow::<Permissions>().check_write(&path)?;
 
   tokio::task::spawn_blocking(move || {
     filetime::set_file_times(path, atime, mtime)?;