| error[E0658]: mutable references are not allowed in constant functions |
| --> $DIR/mutable_borrow.rs:3:13 |
| | |
| LL | let b = &mut a; |
| | ^^^^^^ |
| | |
| = note: see issue #57349 <https://github.com/rust-lang/rust/issues/57349> for more information |
| = help: add `#![feature(const_mut_refs)]` to the crate attributes to enable |
| = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date |
| |
| error[E0658]: mutable references are not allowed in constant functions |
| --> $DIR/mutable_borrow.rs:12:17 |
| | |
| LL | let b = &mut a; |
| | ^^^^^^ |
| | |
| = note: see issue #57349 <https://github.com/rust-lang/rust/issues/57349> for more information |
| = help: add `#![feature(const_mut_refs)]` to the crate attributes to enable |
| = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date |
| |
| error: aborting due to 2 previous errors |
| |
| For more information about this error, try `rustc --explain E0658`. |