1694         let xs = [(1, 1), (2, 2), (3, 3), (4, 4), (5, 5), (6, 6)];  in test_from_iter()  localVariable
1696         let map: RBTree<_, _> = xs.iter().cloned().collect();  in test_from_iter()
1698         for &(k, v) in &xs {  in test_from_iter()
1705         let xs = [(1, 1), (2, 2), (3, 3), (4, 4), (5, 5), (6, 6)];  in test_size_hint()  localVariable
1707         let map: RBTree<_, _> = xs.iter().cloned().collect();  in test_size_hint()
1718         let xs = [(1, 1), (2, 2), (3, 3), (4, 4), (5, 5), (6, 6)];  in test_iter_len()  localVariable
1720         let map: RBTree<_, _> = xs.iter().cloned().collect();  in test_iter_len()
1731         let xs = [(1, 1), (2, 2), (3, 3), (4, 4), (5, 5), (6, 6)];  in test_mut_size_hint()  localVariable
1733         let mut map: RBTree<_, _> = xs.iter().cloned().collect();  in test_mut_size_hint()
1744         let xs = [(1, 1), (2, 2), (3, 3), (4, 4), (5, 5), (6, 6)];  in test_iter_mut_len()  localVariable
1746         let mut map: RBTree<_, _> = xs.iter().cloned().collect();  in test_iter_mut_len()