src/test/ui/consts/const-eval/const_panic_stability.e2018.stderr

   1 warning: panic message is not a string literal
   2   --> $DIR/const_panic_stability.rs:14:12
   3    |
   4 LL |     panic!({ "foo" });
   5    |            ^^^^^^^^^
   6    |
   7    = note: `#[warn(non_fmt_panics)]` on by default
   8    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
   9    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
  10 help: add a "{}" format string to `Display` the message
  11    |
  12 LL |     panic!("{}", { "foo" });
  13    |            +++++
  14
  15 warning: 1 warning emitted
  16