error[E0658]: attributes on expressions are experimental --> $DIR/attr-stmt-expr.rs:10:5 | LL | #[expect_print_expr] | ^^^^^^^^^^^^^^^^^^^^ | = note: for more information, see https://github.com/rust-lang/rust/issues/15701 = help: add `#![feature(stmt_expr_attributes)]` to the crate attributes to enable error[E0658]: attributes on expressions are experimental --> $DIR/attr-stmt-expr.rs:23:5 | LL | #[expect_expr] | ^^^^^^^^^^^^^^ | = note: for more information, see https://github.com/rust-lang/rust/issues/15701 = help: add `#![feature(stmt_expr_attributes)]` to the crate attributes to enable error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0658`.