warning: duplicate matcher binding --> src/test/ui/macros/macro-multiple-matcher-bindings.rs:7:6 | 7 | ($a:ident, $a:ident) => {}; //~WARN duplicate matcher binding | ^^^^^^^^ ^^^^^^^^ | = note: #[warn(duplicate_matcher_binding_name)] on by default = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! = note: for more information, see issue #57593 warning: duplicate matcher binding --> src/test/ui/macros/macro-multiple-matcher-bindings.rs:8:6 | 8 | ($a:ident, $a:path) => {}; //~WARN duplicate matcher binding | ^^^^^^^^ ^^^^^^^ | = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! = note: for more information, see issue #57593 warning: duplicate matcher binding --> src/test/ui/macros/macro-multiple-matcher-bindings.rs:17:6 | LL | ($a:ident, $($a:ident),*) => {}; //~WARN duplicate matcher binding | ^^^^^^^^ ^^^^^^^^ | = 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 #57593 warning: duplicate matcher binding --> src/test/ui/macros/macro-multiple-matcher-bindings.rs:18:8 | LL | ($($a:ident)+ # $($($a:path),+);*) => {}; //~WARN duplicate matcher binding | ^^^^^^^^ ^^^^^^^ | = 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 #57593