How to invoke one crate's executable target from another crate's integration tests?

In a workspace with multiple crates, how can one crates's integration tests depend on and invoke the executable target (not lib target) of another crate? My workspace looks like this: workspace/ ├── a/ │ └── tests/integration.rs └── b/ ├── src/lib.rs └── src/main.rs Crate a depends on b as a dev-dependency. And its tests need to be able to invoke b's executable target. In the past, that worked. But rust-nightly's build-layout-v2 moved things around, and assert_cmd-2.1.3 can no lo...