[Bug] lfu cache error in 0.31.0

[tsudmi]

Bug report

Getting lfu cache error in 0.31.0. The issue doesn't appear in 0.30.0. I believe something in this PRs broke it:

• https://github.com/graphprotocol/graph-node/pull/4624
• https://github.com/graphprotocol/graph-node/pull/4485

Relevant log output

Jul 04 10:21:19.414 INFO Done processing trigger, gas_used: 178730037, data_source: Keeper, handler: handleRewardsUpdated, total_ms: 228, transaction: 0x5aa6…e4e6, address: 0xdbb2…5752, signature: RewardsUpdated(indexed address,indexed bytes32,uint256,uint64,uint64,string), sgd: 9, subgraph_id: QmYas9XFKX2TdUPAYg4TUWP6YzxgVnpnrCT1oBKAWZuMA6, component: SubgraphInstanceManager
thread 'QmYas9XFKX2TdUPAYg4TUWP6YzxgVnpnrCT1oBKAWZuMA6[9]' panicked at 'empty cache but total_weight > max_weight', graph/src/util/lfu_cache.rs:282:18
stack backtrace:
   0: rust_begin_unwind
   1: core::panicking::panic_fmt
   2: core::panicking::panic_display
   3: core::panicking::panic_str
   4: core::option::expect_failed
   5: graph::util::lfu_cache::LfuCache<K,V>::evict_and_stats
   6: graph::components::store::entity_cache::EntityCache::as_modifications
   7: graph_core::subgraph::runner::SubgraphRunner<C,T>::process_block::{{closure}}
   8: <graph_core::subgraph::runner::SubgraphRunner<C,T> as graph_core::subgraph::runner::StreamEventHandler<C>>::handle_process_block::{{closure}}
   9: <tokio::task::unconstrained::Unconstrained<F> as core::future::future::Future>::poll
  10: tokio::runtime::park::CachedParkThread::block_on
  11: tokio::runtime::handle::Handle::block_on
  12: graph::task_spawn::block_on
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.

IPFS hash

No response

Subgraph name or link to explorer

No response

Some information to help us out

• [X] Tick this box if this bug is caused by a regression found in the latest release.
• [ ] Tick this box if this bug is specific to the hosted service.
• [X] I have searched the issue tracker to make sure this issue is not a duplicate.

OS information

Linux

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