panicked at 'called Option::unwrap() on a None value #31
Description
thread 'tokio-runtime-worker' panicked at 'called Option::unwrap() on a None value', /home/ubuntu/.cargo/registry/src/index.crates.io-6f17d22bba15001f/rusty-leveldb-1.0.7/src/cache.rs:90:75
note: run with RUST_BACKTRACE=1 environment variable to display a backtrace
double free or corruption (fasttop)
The program will report an error after a period of time, I only have two operations in the program, before saving to obtain whether the value exists, no then save