error: missing fragment specifier
  --> $DIR/macro-missing-fragment-deduplication.rs:4:6
   |
LL |     ($name) => {}
   |      ^^^^^

error: missing fragment specifier
  --> $DIR/macro-missing-fragment-deduplication.rs:4:6
   |
LL |     ($name) => {}
   |      ^^^^^
   |
   = 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>
   = note: `#[deny(missing_fragment_specifier)]` on by default

error: aborting due to 2 previous errors

Future incompatibility report: Future breakage diagnostic:
error: missing fragment specifier
  --> $DIR/macro-missing-fragment-deduplication.rs:4:6
   |
LL |     ($name) => {}
   |      ^^^^^
   |
   = 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>
   = note: `#[deny(missing_fragment_specifier)]` on by default