| Future incompatibility report: Future breakage diagnostic: |
| warning: use of unstable library feature 'rustc_encodable_decodable': derive macro for `rustc-serialize`; should not be used in new code |
| --> $DIR/rustc-decodable-issue-123156.rs:10:10 |
| | |
| LL | #[derive(RustcDecodable)] |
| | ^^^^^^^^^^^^^^ |
| | |
| = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! |
| = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266> |
| |
