Gtest IT: log also to stderr, not only to file

.github/workflows/build-lint-and-test.yml

@@ -8,6 +8,8 @@ on:
 
 env:
   CARGO_TERM_COLOR: always
+  RUST_BACKTRACE: full
+  RUST_LOG: trace
   # Should include `INTEGRATION_TEST_BIN` from the `Makefile`
   # TODO: Remove `build/libscylla-cpp-driver.*` after https://github.com/scylladb/cpp-rs-driver/issues/164 is fixed.
   INTEGRATION_TEST_BIN: |

MAINTENANCE.md

@@ -5,7 +5,7 @@ other information / procedures useful for maintainers. It is heavily inspired by
 
 ## Documentation
 
-TODO (no docs written yet)
+Comprehensive Sphinx-compatible documentation lives at /docs.
 Note: Due to API compatibility, cpp-driver docs apply to cpp-rs-driver in general. Though, some discrepancies should be well-documented in cpp-rs-driver (some of them are already mentioned in `cassandra.h`).
 
 ## Version bump commit

tests/src/integration/logger.cpp

@@ -125,7 +125,11 @@ void Logger::log(const CassLogMessage* log, void* data) {
   // Create the formatted log message and output to the file
   std::string severity = cass_log_level_string(log->severity);
   logger->output_ << date.str() << " " << time.str() << " " << severity << ": " << message << " ("
-                  << log->file << ":" << log->line << ") " << std::endl;
+                   << log->file << ":" << log->line << ") " << std::endl;
+
+  // Also log to stderr so that CI output captures driver logs in real-time.
+  std::cerr << log->time_ms << " [" << severity << "] ("
+            << log->file << ":" << log->line << ") " << message << std::endl;
 
   // Determine if the log message matches any of the criteria
   for (std::vector<std::string>::const_iterator iterator = logger->search_criteria_.begin();