[RELEASE TAG2 idx=0] refcount_before=1
[RELEASE TAG2 idx=0] refcount_before=1
[RELEASE TAG2 idx=0] refcount_before=1
[RELEASE TAG2 idx=0] refcount_before=1
[RELEASE TAG2 idx=0] refcount_before=0
[RELEASE TAG2 idx=0] refcount_before=0
[SET FAIL] obj tag=2, idx=0, pool_len=14, refcount=Some(0), is_free=Some(true)
[RELEASE TAG2 idx=0] refcount_before=0
[RELEASE TAG2 idx=0] refcount_before=0
