The following actions uses node12 which is deprecated and will be forced to run on node16: actions/checkout@v2, actions-rs/cargo@v1, actions/upload-artifact@v2. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/

unused import: `starcoin_types::U256`

unused import: `crate::consensusdb::schemadb::GhostdagStoreReader`

unused import: `ConsensusHeader`

`starcoin-dag` (lib) generated 3 warnings

unused import: `bail`

unused import: `starcoin_accumulator::Accumulator`

`starcoin-chain-service` (lib) generated 2 warnings