error: missing fragment specifier
--> tests/stable_encodable.rs:119:28
|
119 | ($ty_name:ident: $($tail)*)
| ^^^^^
|
= note: #[deny(missing_fragment_specifier)] on by default
= 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 #40107 <https://github.com/rust-lang/rust/issues/40107>