1 error: user-defined macros may not be named `macro_rules`
2 --> $DIR/user-defined-macro-rules.rs:13:1
4 LL | macro_rules! macro_rules { () => {} } //~ ERROR user-defined macros may not be named `macro_rules`
5 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
7 error[E0601]: `main` function not found in crate `user_defined_macro_rules`
9 = note: consider adding a `main` function to `$DIR/user-defined-macro-rules.rs`
11 error: aborting due to 2 previous errors
13 For more information about this error, try `rustc --explain E0601`.