error[E0737]: `#[track_caller]` requires Rust ABI
  --> $DIR/error-with-invalid-abi.rs:1:1
   |
LL | #[track_caller]
   | ^^^^^^^^^^^^^^^

error[E0737]: `#[track_caller]` requires Rust ABI
  --> $DIR/error-with-invalid-abi.rs:6:5
   |
LL |     #[track_caller]
   |     ^^^^^^^^^^^^^^^

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0737`.