error[E0277]: `Cell<i32>` cannot be shared between threads safely
  --> $DIR/not-sync.rs:8:12
   |
LL |     test::<Cell<i32>>();
   |            ^^^^^^^^^ `Cell<i32>` cannot be shared between threads safely
   |
   = help: the trait `Sync` is not implemented for `Cell<i32>`
   = note: if you want to do aliasing and mutation between multiple threads, use `std::sync::RwLock` or `std::sync::atomic::AtomicI32` instead
note: required by a bound in `test`
  --> $DIR/not-sync.rs:5:12
   |
LL | fn test<T: Sync>() {}
   |            ^^^^ required by this bound in `test`

error[E0277]: `RefCell<i32>` cannot be shared between threads safely
  --> $DIR/not-sync.rs:10:12
   |
LL |     test::<RefCell<i32>>();
   |            ^^^^^^^^^^^^ `RefCell<i32>` cannot be shared between threads safely
   |
   = help: the trait `Sync` is not implemented for `RefCell<i32>`
   = note: if you want to do aliasing and mutation between multiple threads, use `std::sync::RwLock` instead
note: required by a bound in `test`
  --> $DIR/not-sync.rs:5:12
   |
LL | fn test<T: Sync>() {}
   |            ^^^^ required by this bound in `test`

error[E0277]: `Rc<i32>` cannot be shared between threads safely
  --> $DIR/not-sync.rs:13:12
   |
LL |     test::<Rc<i32>>();
   |            ^^^^^^^ `Rc<i32>` cannot be shared between threads safely
   |
   = help: the trait `Sync` is not implemented for `Rc<i32>`
note: required by a bound in `test`
  --> $DIR/not-sync.rs:5:12
   |
LL | fn test<T: Sync>() {}
   |            ^^^^ required by this bound in `test`

error[E0277]: `std::rc::Weak<i32>` cannot be shared between threads safely
  --> $DIR/not-sync.rs:15:12
   |
LL |     test::<Weak<i32>>();
   |            ^^^^^^^^^ `std::rc::Weak<i32>` cannot be shared between threads safely
   |
   = help: the trait `Sync` is not implemented for `std::rc::Weak<i32>`
note: required by a bound in `test`
  --> $DIR/not-sync.rs:5:12
   |
LL | fn test<T: Sync>() {}
   |            ^^^^ required by this bound in `test`

error[E0277]: `std::sync::mpsc::Receiver<i32>` cannot be shared between threads safely
  --> $DIR/not-sync.rs:18:12
   |
LL |     test::<Receiver<i32>>();
   |            ^^^^^^^^^^^^^ `std::sync::mpsc::Receiver<i32>` cannot be shared between threads safely
   |
   = help: the trait `Sync` is not implemented for `std::sync::mpsc::Receiver<i32>`
note: required by a bound in `test`
  --> $DIR/not-sync.rs:5:12
   |
LL | fn test<T: Sync>() {}
   |            ^^^^ required by this bound in `test`

error: aborting due to 5 previous errors

For more information about this error, try `rustc --explain E0277`.