Fix Rust 1.95 CI warnings #2380

Job	Run time
test (odbc, postgres, Driver=PostgreSQL Unicode;Server=127.0.0.1;Port=5432;Database=sqlpage;UID=r...	4m 15s
test (postgres, postgres, postgres://root:Password123!@127.0.0.1/sqlpage)	3m 47s
compile_and_lint	5m 33s
test (mysql, mysql, mysql://root:Password123!@127.0.0.1/sqlpage)	3m 27s
docker_build (linux/amd64, minimal)	5m 43s
test (mssql, mssql, mssql://root:Password123!@127.0.0.1/sqlpage)	3m 54s
docker_build (linux/arm/v7, minimal)	5m 45s
docker_build (linux/arm64, duckdb)	6m 46s
test (oracle, oracle, Driver=Oracle 21 ODBC driver;Dbq=//127.0.0.1:1521/FREEPDB1;Uid=root;Pwd=Pas...	4m 55s
docker_build (linux/amd64, duckdb)	5m 45s
docker_build (linux/arm64, minimal)	6m 34s
windows_test	7m 31s
docker_push (duckdb)	12s
docker_push (minimal)	13s
	1h 4m 20s

Provide feedback