3. If you have a binary project, you can run it through Miri using `cargo
+nightly miri run`.
-When running code via `cargo miri`, the `cargo-miri` feature is set. You can
+When running code via `cargo miri`, the `miri` config flag is set. You can
use this to exclude test cases that will fail under Miri because they do things
Miri does not support:
```rust
-#[cfg(not(feature = "cargo-miri"))]
+#[cfg(not(miri))]
#[test]
fn does_not_work_on_miri() {
let x = 0u8;