src/test/ui/type/missing-let-in-binding.stderr

   1 error[E0658]: type ascription is experimental
   2   --> $DIR/missing-let-in-binding.rs:4:5
   3    |
   4 LL |     _foo: i32 = 4;
   5    |     ^^^^^^^^^
   6    |
   7    = note: see issue #23416 <https://github.com/rust-lang/rust/issues/23416> for more information
   8    = help: add `#![feature(type_ascription)]` to the crate attributes to enable
   9 help: you might have meant to introduce a new binding
  10    |
  11 LL |     let _foo: i32 = 4;
  12    |     +++
  13
  14 error: aborting due to previous error
  15
  16 For more information about this error, try `rustc --explain E0658`.