build,ci: Make cargo test work (and check in CI)

.github/workflows/ci.yml

@@ -65,7 +65,11 @@ jobs:
       - name: Install required packages (Linux)
         if: runner.os == 'Linux'
         run: sudo apt-get update && sudo apt-get install libgssapi-krb5-2 libkrb5-dev
-      - run: cargo test --workspace
+      - run: |
+          # Note: `--workspace` may pull in features.
+          # However, we also want `cargo test` (w/o features) to work.
+          cargo test
+          cargo test --workspace
         env:
           RUSTFLAGS: ${{matrix.rustflags}} ${{env.RUSTFLAGS}}
 

src/lib.rs

@@ -131,6 +131,8 @@
 //! # fn get_more_auth_data() -> Option<Vec<u8>> { unimplemented!() }
 //! // the `config` is provided by the user of this crate. The `writer` is a stand-in for sending
 //! // data to other side of the authentication exchange.
+//! // Note: The "provider" feature is required.
+//! #[cfg(feature = "provider")]
 //! fn sasl_authenticate(config: Arc<SASLConfig>, writer: &mut impl io::Write) {
 //!     let sasl = SASLClient::new(config);
 //!     // These would normally be provided via the protocol in question

src/validate.rs

@@ -32,6 +32,8 @@
 //!     type Value = MyDataType;
 //! }
 //!
+//! // Note: The "provider" feature is required.
+//! #[cfg(feature = "provider")]
 //! fn do_auth(config: Arc<SASLConfig>, selected: &Mechname) {
 //!     let sasl = SASLServer::<MyValidation>::new(config);
 //!