1 error[E0277]: `NotDebug` doesn't implement `Debug`
2 --> $DIR/dbg-macro-requires-debug.rs:6:23
4 LL | let _: NotDebug = dbg!(NotDebug);
5 | ^^^^^^^^^^^^^^ `NotDebug` cannot be formatted using `{:?}`
7 = help: the trait `Debug` is not implemented for `NotDebug`
8 = note: add `#[derive(Debug)]` to `NotDebug` or manually `impl Debug for NotDebug`
9 = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `dbg` (in Nightly builds, run with -Z macro-backtrace for more info)
10 help: consider annotating `NotDebug` with `#[derive(Debug)]`
15 error: aborting due to previous error
17 For more information about this error, try `rustc --explain E0277`.