`cargo test --doc --no-run` seems to be no-op.

[vi]

Expectation: check only compilability of doctests.
Reality: Finished dev [unoptimized + debuginfo] target(s) in 0.0 secs

[asoderman]

I don't believe there is a way to --no-run doctests. Running rustdoc --test --test-args no-run filters the doctests out.

This would first need to be implemented in rustdoc then cargo will need to implement doctest compilation before exiting when using --no-run.

Please correct me if I'm wrong.