warning: returning the result of a `let` binding from a block --> k2pow-service/src/main.rs:194:13 | 179 | / let res = pool.install(|| -> Result<u64, post::pow::Error> { 180 | | let pow = PoW::new(randomx_flags).unwrap(); 181 | | tracing::debug!( 182 | | "proving k2pow: nonce group: {}, challenge: {}, difficulty: {}, miner {}", ... | 191 | | Ok(res) 192 | | }); | |_______________- unnecessary `let` binding 193 | 194 | res | ^^^ | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return = note: `#[warn(clippy::let_and_return)]` on by default help: return the expression directly | 179 ~ 180 | 181 ~ pool.install(|| -> Result<u64, post::pow::Error> { 182 + let pow = PoW::new(randomx_flags).unwrap(); 183 + tracing::debug!( 184 + "proving k2pow: nonce group: {}, challenge: {}, difficulty: {}, miner {}", 185 + job.nonce_group, 186 + hex::encode(job.challenge), 187 + hex::encode(job.difficulty), 188 + hex::encode(job.miner) 189 + ); 190 + let res = 191 + pow.prove(job.nonce_group, &job.challenge, &job.difficulty, &job.miner)?; 192 + tracing::debug!("k2pow result: {}", res); 193 + Ok(res) 194 + }) |

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