chore: Silence unexpected cfg warnings

These are all coming from macro invocations of macros that are defined
in other crates. It's likely a clippy issue. We should try to revert
this the next time we bump the nightly version we're using.

bindings/matrix-sdk-ffi/src/lib.rs

@@ -1,6 +1,8 @@
 // TODO: target-os conditional would be good.
 
 #![allow(unused_qualifications, clippy::new_without_default)]
+#![allow(clippy::empty_line_after_doc_comments)] // Needed because uniffi macros contain empty
+                                                 // lines after docs.
 
 mod authentication;
 mod chunk_iterator;

crates/matrix-sdk-base/src/lib.rs

@@ -16,6 +16,7 @@
 #![doc = include_str!("../README.md")]
 #![cfg_attr(docsrs, feature(doc_auto_cfg))]
 #![cfg_attr(target_arch = "wasm32", allow(clippy::arc_with_non_send_sync))]
+#![cfg_attr(test, allow(unexpected_cfgs))] // Triggered by the init_tracing_for_tests!() invocation.
 #![warn(missing_docs, missing_debug_implementations)]
 
 pub use matrix_sdk_common::*;

crates/matrix-sdk-base/src/rooms/mod.rs

@@ -1,4 +1,5 @@
-#![allow(clippy::assign_op_pattern)] // triggered by bitflags! usage
+#![allow(clippy::assign_op_pattern)] // Triggered by bitflags! usage
+#![allow(unexpected_cfgs)] // Triggered by the `EventContent` macro usage
 
 mod members;
 pub(crate) mod normal;

crates/matrix-sdk-crypto/src/lib.rs

@@ -17,6 +17,7 @@
 #![cfg_attr(docsrs, feature(doc_auto_cfg))]
 #![warn(missing_docs, missing_debug_implementations)]
 #![cfg_attr(target_arch = "wasm32", allow(clippy::arc_with_non_send_sync))]
+#![cfg_attr(test, allow(unexpected_cfgs))] // Triggered by the init_tracing_for_tests!() invocation.
 
 pub mod backups;
 mod ciphers;

crates/matrix-sdk-sqlite/src/lib.rs

@@ -15,6 +15,7 @@
     not(any(feature = "state-store", feature = "crypto-store", feature = "event-cache")),
     allow(dead_code, unused_imports)
 )]
+#![cfg_attr(test, allow(unexpected_cfgs))] // Triggered by the init_tracing_for_tests!() invocation.
 
 #[cfg(feature = "crypto-store")]
 mod crypto_store;

crates/matrix-sdk-ui/src/lib.rs

@@ -12,6 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+#![cfg_attr(test, allow(unexpected_cfgs))] // Triggered by the init_tracing_for_tests!() invocation.
+
 use ruma::html::HtmlSanitizerMode;
 
 mod events;

crates/matrix-sdk-ui/tests/integration/main.rs

@@ -12,6 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+#![allow(unexpected_cfgs)] // Triggered by the init_tracing_for_tests!() invocation.
+
 use itertools::Itertools as _;
 use matrix_sdk::deserialized_responses::TimelineEvent;
 use ruma::{events::AnyStateEvent, serde::Raw, EventId, RoomId};

crates/matrix-sdk/src/lib.rs

@@ -17,6 +17,7 @@
 #![warn(missing_debug_implementations, missing_docs)]
 #![cfg_attr(target_arch = "wasm32", allow(clippy::arc_with_non_send_sync))]
 #![cfg_attr(docsrs, feature(doc_auto_cfg))]
+#![cfg_attr(test, allow(unexpected_cfgs))] // Triggered by the init_tracing_for_tests!() invocation.
 
 pub use async_trait::async_trait;
 pub use bytes;

crates/matrix-sdk/tests/integration/main.rs

@@ -1,6 +1,6 @@
 // The http mocking library is not supported for wasm32
 #![cfg(not(target_arch = "wasm32"))]
-
+#![allow(unexpected_cfgs)] // Triggered by the init_tracing_for_tests!() invocation.
 use matrix_sdk::{config::SyncSettings, test_utils::logged_in_client_with_server, Client};
 use matrix_sdk_test::test_json;
 use serde::Serialize;

examples/custom_events/src/main.rs

@@ -1,3 +1,5 @@
+#![allow(unexpected_cfgs)] // Triggered by the `EventContent` macro usage
+
 ///
 ///  This is an example showcasing how to build a very simple bot with custom
 /// events  using the matrix-sdk. To try it, you need a rust build setup, then

testing/matrix-sdk-integration-testing/src/lib.rs

@@ -1,4 +1,5 @@
 #![cfg(test)]
+#![allow(unexpected_cfgs)] // Triggered by the init_tracing_for_tests!() invocation.
 
 matrix_sdk_test::init_tracing_for_tests!();