chore: upgrade Rust to 1.59.0 (#909)

.github/workflows/ci.yml

@@ -82,7 +82,7 @@ jobs:
         uses: hecrj/setup-rust-action@v1
         with:
           components: clippy, rustfmt
-          rust-version: 1.57.0
+          rust-version: 1.59.0
 
       - name: Install python
         uses: actions/setup-python@v2

rust-toolchain

@@ -1 +1 @@
-1.57.0
+1.59.0

src/isolate.rs

@@ -371,7 +371,7 @@ impl Isolate {
   fn get_annex_arc(&self) -> Arc<IsolateAnnex> {
     let annex_ptr = self.get_annex();
     let annex_arc = unsafe { Arc::from_raw(annex_ptr) };
-    Arc::into_raw(annex_arc.clone());
+    let _ = Arc::into_raw(annex_arc.clone());
     annex_arc
   }
 

src/template.rs

@@ -324,7 +324,7 @@ impl ObjectTemplate {
     setter: Option<Local<FunctionTemplate>>,
     attr: PropertyAttribute,
   ) {
-    assert!(!getter.is_none() || !setter.is_none());
+    assert!(getter.is_some() || setter.is_some());
 
     unsafe {
       let getter = getter.map_or_else(std::ptr::null, |v| &*v);

src/value_deserializer.rs

@@ -368,14 +368,10 @@ impl<'a, 's> ValueDeserializer<'a, 's> {
     let mut value_deserializer_heap = Box::pin(ValueDeserializerHeap {
       value_deserializer_impl,
       cxx_value_deserializer: CxxValueDeserializer {
-        _cxx_vtable: CxxVTable {
-          0: std::ptr::null(),
-        },
+        _cxx_vtable: CxxVTable(std::ptr::null()),
       },
       cxx_value_deserializer_delegate: CxxValueDeserializerDelegate {
-        _cxx_vtable: CxxVTable {
-          0: std::ptr::null(),
-        },
+        _cxx_vtable: CxxVTable(std::ptr::null()),
       },
       context: scope.get_current_context(),
     });

src/value_serializer.rs

@@ -410,14 +410,10 @@ impl<'a, 's> ValueSerializer<'a, 's> {
     let mut value_serializer_heap = Box::pin(ValueSerializerHeap {
       value_serializer_impl,
       cxx_value_serializer: CxxValueSerializer {
-        _cxx_vtable: CxxVTable {
-          0: std::ptr::null(),
-        },
+        _cxx_vtable: CxxVTable(std::ptr::null()),
       },
       cxx_value_serializer_delegate: CxxValueSerializerDelegate {
-        _cxx_vtable: CxxVTable {
-          0: std::ptr::null(),
-        },
+        _cxx_vtable: CxxVTable(std::ptr::null()),
       },
       buffer_size: 0,
       context: scope.get_current_context(),

tests/compile_fail/handle_scope_escape_to_nowhere.stderr

@@ -1,21 +1,19 @@
 error[E0277]: the trait bound `OwnedIsolate: v8::scope::param::NewEscapableHandleScope<'_, '_>` is not satisfied
-   --> $DIR/handle_scope_escape_to_nowhere.rs:5:50
+   --> tests/compile_fail/handle_scope_escape_to_nowhere.rs:5:50
     |
 5   |   let mut _scope = v8::EscapableHandleScope::new(&mut isolate);
     |                    ----------------------------- ^^^^^^^^^^^^ the trait `v8::scope::param::NewEscapableHandleScope<'_, '_>` is not implemented for `OwnedIsolate`
     |                    |
     |                    required by a bound introduced by this call
     |
-note: required by `EscapableHandleScope::<'s, 'e>::new`
-   --> $DIR/scope.rs:303:3
+note: required by a bound in `EscapableHandleScope::<'s, 'e>::new`
+   --> src/scope.rs
     |
-303 | /   pub fn new<P: param::NewEscapableHandleScope<'s, 'e>>(
-304 | |     param: &'s mut P,
-305 | |   ) -> P::NewScope {
-    | |__________________^
+    |   pub fn new<P: param::NewEscapableHandleScope<'s, 'e>>(
+    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `EscapableHandleScope::<'s, 'e>::new`
 
 error[E0277]: the trait bound `OwnedIsolate: v8::scope::param::NewEscapableHandleScope<'_, '_>` is not satisfied
- --> $DIR/handle_scope_escape_to_nowhere.rs:5:20
+ --> tests/compile_fail/handle_scope_escape_to_nowhere.rs:5:20
   |
 5 |   let mut _scope = v8::EscapableHandleScope::new(&mut isolate);
   |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `v8::scope::param::NewEscapableHandleScope<'_, '_>` is not implemented for `OwnedIsolate`

tests/test_api.rs

@@ -8,6 +8,7 @@ use std::convert::{Into, TryFrom, TryInto};
 use std::ffi::c_void;
 use std::ffi::CStr;
 use std::hash::Hash;
+use std::mem::MaybeUninit;
 use std::os::raw::c_char;
 use std::ptr::NonNull;
 use std::sync::atomic::{AtomicUsize, Ordering};
@@ -156,6 +157,7 @@ fn global_handle_drop() {
   let _setup_guard = setup();
 
   // Global 'g1' will be dropped _after_ the Isolate has been disposed.
+  #[allow(clippy::needless_late_init)]
   let _g1: v8::Global<v8::String>;
 
   let isolate = &mut v8::Isolate::new(Default::default());
@@ -5239,7 +5241,7 @@ fn run_with_rust_allocator() {
     n: usize,
   ) -> *mut c_void {
     count.fetch_add(n, Ordering::SeqCst);
-    let mut store = Vec::with_capacity(n);
+    let mut store: Vec<MaybeUninit<u8>> = Vec::with_capacity(n);
     store.set_len(n);
     Box::into_raw(store.into_boxed_slice()) as *mut [u8] as *mut c_void
   }