src/test/ui/impl-trait/issues/issue-79099.stderr

   1 error: expected identifier, found `1`
   2   --> $DIR/issue-79099.rs:3:65
   3    |
   4 LL |         let f: impl core::future::Future<Output = u8> = async { 1 };
   5    |                                                         -----   ^ expected identifier
   6    |                                                         |
   7    |                                                         `async` blocks are only allowed in Rust 2018 or later
   8    |
   9    = help: set `edition = "2018"` in `Cargo.toml`
  10    = note: for more on editions, read https://doc.rust-lang.org/edition-guide
  11
  12 error[E0562]: `impl Trait` not allowed outside of function and method return types
  13   --> $DIR/issue-79099.rs:3:16
  14    |
  15 LL |         let f: impl core::future::Future<Output = u8> = async { 1 };
  16    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  17
  18 error: aborting due to 2 previous errors
  19
  20 For more information about this error, try `rustc --explain E0562`.