fix CI for recent rustc

.github/workflows/ci.yml

@@ -132,8 +132,8 @@ jobs:
         target:
           - i686-unknown-linux-gnu
           - powerpc-unknown-linux-gnu
-#          - powerpc64-unknown-linux-gnu
-          - mips-unknown-linux-gnu
+          - powerpc64-unknown-linux-gnu
+#          - mips-unknown-linux-gnu
           - arm-linux-androideabi
 
     steps:

src/collections/mod.rs

@@ -11,10 +11,17 @@ pub mod hash_set;
 pub mod linked_list;
 pub mod vec_deque;
 
+#[allow(unused)]
 pub use binary_heap::BinaryHeap;
+#[allow(unused)]
 pub use btree_map::BTreeMap;
+#[allow(unused)]
 pub use btree_set::BTreeSet;
+#[allow(unused)]
 pub use hash_map::HashMap;
+#[allow(unused)]
 pub use hash_set::HashSet;
+#[allow(unused)]
 pub use linked_list::LinkedList;
+#[allow(unused)]
 pub use vec_deque::VecDeque;

src/option/mod.rs

@@ -5,6 +5,7 @@
 
 mod from_stream;
 
+#[allow(unused)]
 #[doc(inline)]
 pub use std::option::Option;
 

src/result/mod.rs

@@ -5,6 +5,7 @@
 
 mod from_stream;
 
+#[allow(unused)]
 #[doc(inline)]
 pub use std::result::Result;
 

src/string/mod.rs

@@ -5,5 +5,6 @@
 mod extend;
 mod from_stream;
 
+#[allow(unused)]
 #[doc(inline)]
 pub use std::string::String;

src/sync/waker_set.rs

@@ -149,7 +149,7 @@ impl WakerSet {
     /// Returns `true` if at least one operation was notified.
     #[cold]
     fn notify(&self, n: Notify) -> bool {
-        let mut inner = &mut *self.lock();
+        let inner = &mut *self.lock();
         let mut notified = false;
 
         for (_, opt_waker) in inner.entries.iter_mut() {

src/vec/mod.rs

@@ -6,5 +6,6 @@
 mod extend;
 mod from_stream;
 
+#[allow(unused)]
 #[doc(inline)]
 pub use std::vec::Vec;