rust-clippy/tests/ui/redundant_allocation.stderr

error: usage of `Box<Rc<T>>`
  --> $DIR/redundant_allocation.rs:17:30
   |
LL |     pub fn box_test6<T>(foo: Box<Rc<T>>) {}
   |                              ^^^^^^^^^^
   |
   = note: `-D clippy::redundant-allocation` implied by `-D warnings`
   = note: `Rc<T>` is already on the heap, `Box<Rc<T>>` makes an extra allocation
   = help: consider using just `Box<T>` or `Rc<T>`

error: usage of `Box<Arc<T>>`
  --> $DIR/redundant_allocation.rs:19:30
   |
LL |     pub fn box_test7<T>(foo: Box<Arc<T>>) {}
   |                              ^^^^^^^^^^^
   |
   = note: `Arc<T>` is already on the heap, `Box<Arc<T>>` makes an extra allocation
   = help: consider using just `Box<T>` or `Arc<T>`

error: usage of `Box<Rc<SubT<usize>>>`
  --> $DIR/redundant_allocation.rs:21:27
   |
LL |     pub fn box_test8() -> Box<Rc<SubT<usize>>> {
   |                           ^^^^^^^^^^^^^^^^^^^^
   |
   = note: `Rc<SubT<usize>>` is already on the heap, `Box<Rc<SubT<usize>>>` makes an extra allocation
   = help: consider using just `Box<SubT<usize>>` or `Rc<SubT<usize>>`

error: usage of `Box<Arc<T>>`
  --> $DIR/redundant_allocation.rs:25:30
   |
LL |     pub fn box_test9<T>(foo: Box<Arc<T>>) -> Box<Arc<SubT<T>>> {
   |                              ^^^^^^^^^^^
   |
   = note: `Arc<T>` is already on the heap, `Box<Arc<T>>` makes an extra allocation
   = help: consider using just `Box<T>` or `Arc<T>`

error: usage of `Box<Arc<SubT<T>>>`
  --> $DIR/redundant_allocation.rs:25:46
   |
LL |     pub fn box_test9<T>(foo: Box<Arc<T>>) -> Box<Arc<SubT<T>>> {
   |                                              ^^^^^^^^^^^^^^^^^
   |
   = note: `Arc<SubT<T>>` is already on the heap, `Box<Arc<SubT<T>>>` makes an extra allocation
   = help: consider using just `Box<SubT<T>>` or `Arc<SubT<T>>`

error: usage of `Rc<Box<bool>>`
  --> $DIR/redundant_allocation.rs:37:24
   |
LL |     pub fn rc_test5(a: Rc<Box<bool>>) {}
   |                        ^^^^^^^^^^^^^
   |
   = note: `Box<bool>` is already on the heap, `Rc<Box<bool>>` makes an extra allocation
   = help: consider using just `Rc<bool>` or `Box<bool>`

error: usage of `Rc<Arc<bool>>`
  --> $DIR/redundant_allocation.rs:39:24
   |
LL |     pub fn rc_test7(a: Rc<Arc<bool>>) {}
   |                        ^^^^^^^^^^^^^
   |
   = note: `Arc<bool>` is already on the heap, `Rc<Arc<bool>>` makes an extra allocation
   = help: consider using just `Rc<bool>` or `Arc<bool>`

error: usage of `Rc<Box<SubT<usize>>>`
  --> $DIR/redundant_allocation.rs:41:26
   |
LL |     pub fn rc_test8() -> Rc<Box<SubT<usize>>> {
   |                          ^^^^^^^^^^^^^^^^^^^^
   |
   = note: `Box<SubT<usize>>` is already on the heap, `Rc<Box<SubT<usize>>>` makes an extra allocation
   = help: consider using just `Rc<SubT<usize>>` or `Box<SubT<usize>>`

error: usage of `Rc<Arc<T>>`
  --> $DIR/redundant_allocation.rs:45:29
   |
LL |     pub fn rc_test9<T>(foo: Rc<Arc<T>>) -> Rc<Arc<SubT<T>>> {
   |                             ^^^^^^^^^^
   |
   = note: `Arc<T>` is already on the heap, `Rc<Arc<T>>` makes an extra allocation
   = help: consider using just `Rc<T>` or `Arc<T>`

error: usage of `Rc<Arc<SubT<T>>>`
  --> $DIR/redundant_allocation.rs:45:44
   |
LL |     pub fn rc_test9<T>(foo: Rc<Arc<T>>) -> Rc<Arc<SubT<T>>> {
   |                                            ^^^^^^^^^^^^^^^^
   |
   = note: `Arc<SubT<T>>` is already on the heap, `Rc<Arc<SubT<T>>>` makes an extra allocation
   = help: consider using just `Rc<SubT<T>>` or `Arc<SubT<T>>`

error: usage of `Arc<Box<bool>>`
  --> $DIR/redundant_allocation.rs:57:25
   |
LL |     pub fn arc_test5(a: Arc<Box<bool>>) {}
   |                         ^^^^^^^^^^^^^^
   |
   = note: `Box<bool>` is already on the heap, `Arc<Box<bool>>` makes an extra allocation
   = help: consider using just `Arc<bool>` or `Box<bool>`

error: usage of `Arc<Rc<bool>>`
  --> $DIR/redundant_allocation.rs:59:25
   |
LL |     pub fn arc_test6(a: Arc<Rc<bool>>) {}
   |                         ^^^^^^^^^^^^^
   |
   = note: `Rc<bool>` is already on the heap, `Arc<Rc<bool>>` makes an extra allocation
   = help: consider using just `Arc<bool>` or `Rc<bool>`

error: usage of `Arc<Box<SubT<usize>>>`
  --> $DIR/redundant_allocation.rs:61:27
   |
LL |     pub fn arc_test8() -> Arc<Box<SubT<usize>>> {
   |                           ^^^^^^^^^^^^^^^^^^^^^
   |
   = note: `Box<SubT<usize>>` is already on the heap, `Arc<Box<SubT<usize>>>` makes an extra allocation
   = help: consider using just `Arc<SubT<usize>>` or `Box<SubT<usize>>`

error: usage of `Arc<Rc<T>>`
  --> $DIR/redundant_allocation.rs:65:30
   |
LL |     pub fn arc_test9<T>(foo: Arc<Rc<T>>) -> Arc<Rc<SubT<T>>> {
   |                              ^^^^^^^^^^
   |
   = note: `Rc<T>` is already on the heap, `Arc<Rc<T>>` makes an extra allocation
   = help: consider using just `Arc<T>` or `Rc<T>`

error: usage of `Arc<Rc<SubT<T>>>`
  --> $DIR/redundant_allocation.rs:65:45
   |
LL |     pub fn arc_test9<T>(foo: Arc<Rc<T>>) -> Arc<Rc<SubT<T>>> {
   |                                             ^^^^^^^^^^^^^^^^
   |
   = note: `Rc<SubT<T>>` is already on the heap, `Arc<Rc<SubT<T>>>` makes an extra allocation
   = help: consider using just `Arc<SubT<T>>` or `Rc<SubT<T>>`

error: usage of `Rc<Box<Box<dyn T>>>`
  --> $DIR/redundant_allocation.rs:87:27
   |
LL |     pub fn test_rc_box(_: Rc<Box<Box<dyn T>>>) {}
   |                           ^^^^^^^^^^^^^^^^^^^
   |
   = note: `Box<Box<dyn T>>` is already on the heap, `Rc<Box<Box<dyn T>>>` makes an extra allocation
   = help: consider using just `Rc<Box<dyn T>>` or `Box<Box<dyn T>>`

error: usage of `Rc<Box<Box<str>>>`
  --> $DIR/redundant_allocation.rs:119:31
   |
LL |     pub fn test_rc_box_str(_: Rc<Box<Box<str>>>) {}
   |                               ^^^^^^^^^^^^^^^^^
   |
   = note: `Box<Box<str>>` is already on the heap, `Rc<Box<Box<str>>>` makes an extra allocation
   = help: consider using just `Rc<Box<str>>` or `Box<Box<str>>`

error: usage of `Rc<Box<Box<[usize]>>>`
  --> $DIR/redundant_allocation.rs:120:33
   |
LL |     pub fn test_rc_box_slice(_: Rc<Box<Box<[usize]>>>) {}
   |                                 ^^^^^^^^^^^^^^^^^^^^^
   |
   = note: `Box<Box<[usize]>>` is already on the heap, `Rc<Box<Box<[usize]>>>` makes an extra allocation
   = help: consider using just `Rc<Box<[usize]>>` or `Box<Box<[usize]>>`

error: usage of `Rc<Box<Box<Path>>>`
  --> $DIR/redundant_allocation.rs:121:32
   |
LL |     pub fn test_rc_box_path(_: Rc<Box<Box<Path>>>) {}
   |                                ^^^^^^^^^^^^^^^^^^
   |
   = note: `Box<Box<Path>>` is already on the heap, `Rc<Box<Box<Path>>>` makes an extra allocation
   = help: consider using just `Rc<Box<Path>>` or `Box<Box<Path>>`

error: usage of `Rc<Box<Box<DynSized>>>`
  --> $DIR/redundant_allocation.rs:122:34
   |
LL |     pub fn test_rc_box_custom(_: Rc<Box<Box<DynSized>>>) {}
   |                                  ^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: `Box<Box<DynSized>>` is already on the heap, `Rc<Box<Box<DynSized>>>` makes an extra allocation
   = help: consider using just `Rc<Box<DynSized>>` or `Box<Box<DynSized>>`

error: aborting due to 20 previous errors