Rust: Changes suggested by Copilot (with effect on tests).

Author: geoffw0

rust/ql/test/library-tests/dataflow/sources/TaintSources.expected

@@ -100,7 +100,7 @@
 | test.rs:942:22:942:30 | query_map | Flow source 'DatabaseSource' of type database (DEFAULT). |
 | test.rs:951:26:951:35 | query_fold | Flow source 'DatabaseSource' of type database (DEFAULT). |
 | test.rs:957:22:957:31 | query_fold | Flow source 'DatabaseSource' of type database (DEFAULT). |
-| test.rs:989:47:989:51 | query | Flow source 'DatabaseSource' of type database (DEFAULT). |
+| test.rs:989:53:989:57 | query | Flow source 'DatabaseSource' of type database (DEFAULT). |
 | test.rs:992:28:992:30 | get | Flow source 'DatabaseSource' of type database (DEFAULT). |
 | test.rs:995:28:995:34 | get_opt | Flow source 'DatabaseSource' of type database (DEFAULT). |
 | test.rs:998:28:998:31 | take | Flow source 'DatabaseSource' of type database (DEFAULT). |

rust/ql/test/library-tests/dataflow/sources/test.rs

@@ -986,7 +986,7 @@ mod test_mysql_async {
         let mut pool = mysql_async::Pool::new("");
         let mut conn = pool.get_conn().await?;
 
-        let mut rows : Vec<mysql::Row> = conn.query("SELECT id, name, age FROM person").await?; // $ Alert[rust/summary/taint-sources]
+        let mut rows : Vec<mysql_async::Row> = conn.query("SELECT id, name, age FROM person").await?; // $ Alert[rust/summary/taint-sources]
         let mut row = &mut rows[0];
 
         let v1 : i64 = row.get(0).unwrap(); // $ Alert[rust/summary/taint-sources]
@@ -1002,9 +1002,9 @@ mod test_mysql_async {
         sink(v4); // $ hasTaintFlow=0
 
         let value5 = row.as_ref(0).unwrap(); // $ Alert[rust/summary/taint-sources]
-        if let mysql::Value::Int(v) = value5 {
+        if let mysql_async::Value::Int(v) = value5 {
             sink(v); // $ MISSING: hasTaintFlow=0
-        } else if let mysql::Value::Bytes(v) = value5 {
+        } else if let mysql_async::Value::Bytes(v) = value5 {
             sink(v); // $ MISSING: hasTaintFlow=0
         }