error[E0658]: non-ascii idents are not fully supported --> $DIR/utf8_idents.rs:4:5 | LL | 'β, | ^^ | = note: see issue #55467 for more information = help: add `#![feature(non_ascii_idents)]` to the crate attributes to enable error[E0658]: non-ascii idents are not fully supported --> $DIR/utf8_idents.rs:5:5 | LL | γ | ^ | = note: see issue #55467 for more information = help: add `#![feature(non_ascii_idents)]` to the crate attributes to enable error[E0658]: non-ascii idents are not fully supported --> $DIR/utf8_idents.rs:10:5 | LL | δ: usize | ^ | = note: see issue #55467 for more information = help: add `#![feature(non_ascii_idents)]` to the crate attributes to enable error[E0658]: non-ascii idents are not fully supported --> $DIR/utf8_idents.rs:14:9 | LL | let α = 0.00001f64; | ^ | = note: see issue #55467 for more information = help: add `#![feature(non_ascii_idents)]` to the crate attributes to enable warning: type parameter `γ` should have an upper camel case name --> $DIR/utf8_idents.rs:5:5 | LL | γ | ^ help: convert the identifier to upper camel case: `Γ` | = note: `#[warn(non_camel_case_types)]` on by default error: aborting due to 4 previous errors; 1 warning emitted For more information about this error, try `rustc --explain E0658`.