ci: silence new 1.77 warnings about tuple struct fields unused

borsh/src/de/mod.rs

@@ -779,6 +779,7 @@ fn array_deserialization_doesnt_leak() {
     static DESERIALIZE_COUNT: AtomicUsize = AtomicUsize::new(0);
     static DROP_COUNT: AtomicUsize = AtomicUsize::new(0);
 
+    #[allow(unused)]
     struct MyType(u8);
     impl BorshDeserialize for MyType {
         fn deserialize_reader<R: Read>(reader: &mut R) -> Result<Self> {

borsh/tests/schema/container_extension/test_max_size.rs

@@ -94,6 +94,7 @@ fn max_serialized_size_derived_types() {
     }
 
     #[derive(BorshSchema)]
+    #[allow(unused)]
     pub struct Unnamed(usize, [u8; 15]);
 
     #[derive(BorshSchema)]
@@ -106,6 +107,7 @@ fn max_serialized_size_derived_types() {
     }
 
     #[derive(BorshSchema)]
+    #[allow(unused)]
     struct Recursive(Option<Box<Recursive>>);
 
     test_ok::<Empty>(0);

borsh/tests/schema/container_extension/test_schema_validate.rs

@@ -27,16 +27,20 @@ fn validate_for_derived_types() {
     }
 
     #[derive(BorshSchema)]
+    #[allow(unused)]
     pub struct Unnamed(usize, [u8; 15]);
 
     #[derive(BorshSchema)]
+    #[allow(unused)]
     struct Recursive(Option<Box<Recursive>>);
 
     #[derive(BorshSchema)]
+    #[allow(unused)]
     struct RecursiveSequence(Vec<RecursiveSequence>);
 
     // thankfully, this one cannot be constructed
     #[derive(BorshSchema)]
+    #[allow(unused)]
     struct RecursiveArray(Box<[RecursiveArray; 3]>);
 
     test_ok::<Empty>();

borsh/tests/schema/test_simple_structs.rs

@@ -54,6 +54,7 @@ pub fn simple_struct() {
 #[test]
 pub fn tuple_struct() {
     #[derive(borsh::BorshSchema)]
+    #[allow(unused)]
     struct A(u64, String);
     assert_eq!("A".to_string(), A::declaration());
     let mut defs = Default::default();

borsh/tests/tests.rs

@@ -17,6 +17,7 @@ mod custom_reader {
 #[cfg(feature = "derive")]
 mod compile_derives {
     mod test_macro_namespace_collisions;
+    #[allow(unused)]
     mod test_generic_structs;
     mod test_generic_enums;
     mod test_recursive_structs;