| error[E0522]: definition of an unknown lang item: `foo` | |
| --> $DIR/unknown-language-item.rs:4:1 | |
| | | |
| LL | #[lang = "foo"] | |
| | ^^^^^^^^^^^^^^^ definition of unknown lang item `foo` | |
| error: aborting due to 1 previous error | |
| For more information about this error, try `rustc --explain E0522`. |