warning: the feature `const_generics` is incomplete and may not be safe to use and/or cause compiler crashes
  --> $DIR/generators.rs:3:12
   |
LL | #![feature(const_generics, generators, generator_trait, rustc_attrs)]
   |            ^^^^^^^^^^^^^^
   |
   = note: `#[warn(incomplete_features)]` on by default
   = note: see issue #44580 <https://github.com/rust-lang/rust/issues/44580> for more information

error: item has unused generic parameters
  --> $DIR/generators.rs:36:5
   |
LL |   pub fn unused_type<T>() -> impl Generator<(), Yield = u32, Return = u32> + Unpin {
   |                      - generic parameter `T` is unused
LL |
LL | /     || {
LL | |
LL | |         yield 1;
LL | |         2
LL | |     }
   | |_____^

error: item has unused generic parameters
  --> $DIR/generators.rs:34:8
   |
LL | pub fn unused_type<T>() -> impl Generator<(), Yield = u32, Return = u32> + Unpin {
   |        ^^^^^^^^^^^ - generic parameter `T` is unused

error: item has unused generic parameters
  --> $DIR/generators.rs:62:5
   |
LL |   pub fn unused_const<const T: u32>() -> impl Generator<(), Yield = u32, Return = u32> + Unpin {
   |                             - generic parameter `T` is unused
LL |
LL | /     || {
LL | |
LL | |         yield 1;
LL | |         2
LL | |     }
   | |_____^

error: item has unused generic parameters
  --> $DIR/generators.rs:60:8
   |
LL | pub fn unused_const<const T: u32>() -> impl Generator<(), Yield = u32, Return = u32> + Unpin {
   |        ^^^^^^^^^^^^       - generic parameter `T` is unused

error: aborting due to 4 previous errors; 1 warning emitted

