| error: cannot find a built-in macro with name `unknown` |
| --> $DIR/unknown-builtin.rs:6:1 |
| | |
| LL | macro_rules! unknown { () => () } |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
| |
| error[E0773]: attempted to define built-in macro more than once |
| --> $SRC_DIR/core/src/macros/mod.rs:LL:COL |
| | |
| note: previously defined here |
| --> $DIR/unknown-builtin.rs:9:1 |
| | |
| LL | macro_rules! line { () => () } |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
| |
| error: aborting due to 2 previous errors |
| |
| For more information about this error, try `rustc --explain E0773`. |
