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