1error[E0277]: `Foo` doesn't implement `Debug`
2  --> $DIR/no-debug.rs:10:27
3   |
4LL |     println!("{:?} {:?}", Foo, Bar);
5   |                           ^^^ `Foo` cannot be formatted using `{:?}`
6   |
7   = help: the trait `Debug` is not implemented for `Foo`
8   = note: add `#[derive(Debug)]` to `Foo` or manually `impl Debug for Foo`
9   = note: this error originates in the macro `$crate::format_args_nl` (in Nightly builds, run with -Z macro-backtrace for more info)
10
11error[E0277]: `Bar` doesn't implement `Debug`
12  --> $DIR/no-debug.rs:10:32
13   |
14LL |     println!("{:?} {:?}", Foo, Bar);
15   |                                ^^^ `Bar` cannot be formatted using `{:?}` because it doesn't implement `Debug`
16   |
17   = help: the trait `Debug` is not implemented for `Bar`
18   = note: this error originates in the macro `$crate::format_args_nl` (in Nightly builds, run with -Z macro-backtrace for more info)
19
20error[E0277]: `Foo` doesn't implement `std::fmt::Display`
21  --> $DIR/no-debug.rs:11:23
22   |
23LL |     println!("{} {}", Foo, Bar);
24   |                       ^^^ `Foo` cannot be formatted with the default formatter
25   |
26   = help: the trait `std::fmt::Display` is not implemented for `Foo`
27   = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
28   = note: this error originates in the macro `$crate::format_args_nl` (in Nightly builds, run with -Z macro-backtrace for more info)
29
30error[E0277]: `Bar` doesn't implement `std::fmt::Display`
31  --> $DIR/no-debug.rs:11:28
32   |
33LL |     println!("{} {}", Foo, Bar);
34   |                            ^^^ `Bar` cannot be formatted with the default formatter
35   |
36   = help: the trait `std::fmt::Display` is not implemented for `Bar`
37   = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
38   = note: this error originates in the macro `$crate::format_args_nl` (in Nightly builds, run with -Z macro-backtrace for more info)
39
40error: aborting due to 4 previous errors
41
42For more information about this error, try `rustc --explain E0277`.
43