| error[E0277]: the trait bound `Error: Default` is not satisfied | |
| --> $DIR/derives-span-Default-tuple-struct.rs:8:5 | |
| | | |
| LL | #[derive(Default)] | |
| | ------- in this derive macro expansion | |
| LL | struct Struct( | |
| LL | Error | |
| | ^^^^^ the trait `Default` is not implemented for `Error` | |
| | | |
| = note: this error originates in the derive macro `Default` (in Nightly builds, run with -Z macro-backtrace for more info) | |
| help: consider annotating `Error` with `#[derive(Default)]` | |
| | | |
| LL | #[derive(Default)] | |
| | | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0277`. |