warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
  --> $DIR/expr_2021_cargo_fix_edition.rs:7:9
   |
LL |     ($e:expr) => {
   |         ^^^^
   |
   = warning: this changes meaning in Rust 2024
   = note: for more information, see Migration Guide <https://doc.rust-lang.org/edition-guide/rust-2024/macro-fragment-specifiers.html>
note: the lint level is defined here
  --> $DIR/expr_2021_cargo_fix_edition.rs:4:9
   |
LL | #![warn(edition_2024_expr_fragment_specifier)]
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
help: to keep the existing behavior, use the `expr_2021` fragment specifier
   |
LL |     ($e:expr_2021) => {
   |             +++++

warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
  --> $DIR/expr_2021_cargo_fix_edition.rs:11:11
   |
LL |     ($($i:expr)*) => { };
   |           ^^^^
   |
   = warning: this changes meaning in Rust 2024
   = note: for more information, see Migration Guide <https://doc.rust-lang.org/edition-guide/rust-2024/macro-fragment-specifiers.html>
help: to keep the existing behavior, use the `expr_2021` fragment specifier
   |
LL |     ($($i:expr_2021)*) => { };
   |               +++++

warning: 2 warnings emitted