warning: the feature `type_alias_impl_trait` is incomplete and may not be safe to use and/or cause compiler crashes
  --> $DIR/structural-match-no-leak.rs:4:32
   |
LL | #![cfg_attr(full_tait, feature(type_alias_impl_trait, impl_trait_in_bindings))]
   |                                ^^^^^^^^^^^^^^^^^^^^^
   |
   = note: `#[warn(incomplete_features)]` on by default
   = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information

warning: the feature `impl_trait_in_bindings` is incomplete and may not be safe to use and/or cause compiler crashes
  --> $DIR/structural-match-no-leak.rs:4:55
   |
LL | #![cfg_attr(full_tait, feature(type_alias_impl_trait, impl_trait_in_bindings))]
   |                                                       ^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: see issue #63065 <https://github.com/rust-lang/rust/issues/63065> for more information

error: `impl Send` cannot be used in patterns
  --> $DIR/structural-match-no-leak.rs:19:9
   |
LL |         LEAK_FREE => (),
   |         ^^^^^^^^^

error: aborting due to previous error; 2 warnings emitted