Rust caught the lock being held across an await boundary, but without further context I'd hedge there's still a concurrency issue there if the solution was to release the lock before the await.
Presumably the lock is intended to be used for blocking until the commit is created, which would only be guaranteed after the await. Releasing the lock after submitting the transaction to the database but before getting confirmation that it completed successfully would probably result in further edge cases. I'm unfamiliar with rust's async, but is there a join/select that should be used to block, after which the lock should be unlocked?
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