| warning: the feature `effects` is incomplete and may not be safe to use and/or cause compiler crashes |
| --> $DIR/hir-const-check.rs:3:30 |
| | |
| LL | #![feature(const_trait_impl, effects)] |
| | ^^^^^^^ |
| | |
| = note: see issue #102090 <https://github.com/rust-lang/rust/issues/102090> for more information |
| = note: `#[warn(incomplete_features)]` on by default |
| |
| error[E0658]: `?` is not allowed in a `const fn` |
| --> $DIR/hir-const-check.rs:12:9 |
| | |
| LL | Some(())?; |
| | ^^^^^^^^^ |
| | |
| = note: see issue #74935 <https://github.com/rust-lang/rust/issues/74935> for more information |
| = help: add `#![feature(const_try)]` 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| = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date |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: using `#![feature(effects)]` without enabling next trait solver globally |
| | |
| = note: the next trait solver must be enabled globally for the effects feature to work correctly |
| = help: use `-Znext-solver` to enable |
| |
| error: aborting due to 2 previous errors; 1 warning emitted |
| |
| For more information about this error, try `rustc --explain E0658`. |
