[INFO] cloning repository https://github.com/whq611/ece598pv-sp2022-master [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/whq611/ece598pv-sp2022-master" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhq611%2Fece598pv-sp2022-master", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhq611%2Fece598pv-sp2022-master'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d9cef327b12555e26a2c7547e7acda0b5feb7cd2 [INFO] checking whq611/ece598pv-sp2022-master against nightly-2024-02-05 for check-cfg-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhq611%2Fece598pv-sp2022-master" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/whq611/ece598pv-sp2022-master on toolchain nightly-2024-02-05 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/whq611/ece598pv-sp2022-master [INFO] finished tweaking git repo https://github.com/whq611/ece598pv-sp2022-master [INFO] tweaked toml for git repo https://github.com/whq611/ece598pv-sp2022-master written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/whq611/ece598pv-sp2022-master already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a1c9a51433bdeb73fce3586811b253aa90485384c3bf803a68d7e11fa68aa7bd [INFO] running `Command { std: "docker" "start" "-a" "a1c9a51433bdeb73fce3586811b253aa90485384c3bf803a68d7e11fa68aa7bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a1c9a51433bdeb73fce3586811b253aa90485384c3bf803a68d7e11fa68aa7bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a1c9a51433bdeb73fce3586811b253aa90485384c3bf803a68d7e11fa68aa7bd", kill_on_drop: false }` [INFO] [stdout] a1c9a51433bdeb73fce3586811b253aa90485384c3bf803a68d7e11fa68aa7bd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5f0fb0e97ab9a0ccbf55a6a704ac61639175bcda63eadd8760089682d3b4b70f [INFO] running `Command { std: "docker" "start" "-a" "5f0fb0e97ab9a0ccbf55a6a704ac61639175bcda63eadd8760089682d3b4b70f", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling cc v1.0.45 [INFO] [stderr] Checking untrusted v0.7.0 [INFO] [stderr] Compiling ring v0.16.9 [INFO] [stderr] Checking futures-lite v1.12.0 [INFO] [stderr] Checking futures-util v0.3.18 [INFO] [stderr] Checking async-io v1.6.0 [INFO] [stderr] Checking blocking v1.1.0 [INFO] [stderr] Checking async-executor v1.4.1 [INFO] [stderr] Checking async-fs v1.5.0 [INFO] [stderr] Checking async-process v1.3.0 [INFO] [stderr] Checking async-net v1.6.1 [INFO] [stderr] Checking smol v1.2.5 [INFO] [stderr] Checking futures-executor v0.3.18 [INFO] [stderr] Checking futures v0.3.18 [INFO] [stderr] Checking bitcoin v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `EdDSAParameters`, `KeyPair`, `VerificationAlgorithm` [INFO] [stdout] --> src/types/transaction.rs:2:50 [INFO] [stdout] | [INFO] [stdout] 2 | use ring::signature::{Ed25519KeyPair, Signature, KeyPair, VerificationAlgorithm, EdDSAParameters}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::Rng` [INFO] [stdout] --> src/types/transaction.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use rand::Rng; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Sender`, `TryRecvError`, `unbounded` [INFO] [stdout] --> src/miner/worker.rs:1:26 [INFO] [stdout] | [INFO] [stdout] 1 | use crossbeam::channel::{unbounded, Receiver, Sender, TryRecvError}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^ ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `debug` [INFO] [stdout] --> src/miner/worker.rs:2:11 [INFO] [stdout] | [INFO] [stdout] 2 | use log::{debug, info}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::types::hash::H256` [INFO] [stdout] --> src/network/worker.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::types::hash::H256; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `EdDSAParameters`, `KeyPair`, `VerificationAlgorithm` [INFO] [stdout] --> src/types/transaction.rs:2:50 [INFO] [stdout] | [INFO] [stdout] 2 | use ring::signature::{Ed25519KeyPair, Signature, KeyPair, VerificationAlgorithm, EdDSAParameters}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::Rng` [INFO] [stdout] --> src/types/transaction.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use rand::Rng; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Sender`, `TryRecvError`, `unbounded` [INFO] [stdout] --> src/miner/worker.rs:1:26 [INFO] [stdout] | [INFO] [stdout] 1 | use crossbeam::channel::{unbounded, Receiver, Sender, TryRecvError}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^ ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `debug` [INFO] [stdout] --> src/miner/worker.rs:2:11 [INFO] [stdout] | [INFO] [stdout] 2 | use log::{debug, info}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `block` [INFO] [stdout] --> src/blockchain/mod.rs:14:30 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn insert(&mut self, block: &Block) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_block` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `bytes` [INFO] [stdout] --> src/types/address.rs:50:34 [INFO] [stdout] | [INFO] [stdout] 50 | pub fn from_public_key_bytes(bytes: &[u8]) -> Address { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> src/types/merkle.rs:9:19 [INFO] [stdout] | [INFO] [stdout] 9 | pub fn new(data: &[T]) -> Self where T: Hashable, { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `index` [INFO] [stdout] --> src/types/merkle.rs:18:25 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn proof(&self, index: usize) -> Vec { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_index` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `root` [INFO] [stdout] --> src/types/merkle.rs:25:15 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn verify(root: &H256, datum: &H256, proof: &[H256], index: usize, leaf_size: usize) -> bool { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_root` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `datum` [INFO] [stdout] --> src/types/merkle.rs:25:28 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn verify(root: &H256, datum: &H256, proof: &[H256], index: usize, leaf_size: usize) -> bool { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_datum` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `proof` [INFO] [stdout] --> src/types/merkle.rs:25:42 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn verify(root: &H256, datum: &H256, proof: &[H256], index: usize, leaf_size: usize) -> bool { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_proof` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `index` [INFO] [stdout] --> src/types/merkle.rs:25:58 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn verify(root: &H256, datum: &H256, proof: &[H256], index: usize, leaf_size: usize) -> bool { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_index` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `leaf_size` [INFO] [stdout] --> src/types/merkle.rs:25:72 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn verify(root: &H256, datum: &H256, proof: &[H256], index: usize, leaf_size: usize) -> bool { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_leaf_size` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/types/transaction.rs:14:13 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn sign(t: &Transaction, key: &Ed25519KeyPair) -> Signature { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/types/transaction.rs:14:30 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn sign(t: &Transaction, key: &Ed25519KeyPair) -> Signature { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/types/transaction.rs:19:15 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn verify(t: &Transaction, public_key: &[u8], signature: &[u8]) -> bool { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `public_key` [INFO] [stdout] --> src/types/transaction.rs:19:32 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn verify(t: &Transaction, public_key: &[u8], signature: &[u8]) -> bool { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_public_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `signature` [INFO] [stdout] --> src/types/transaction.rs:19:51 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn verify(t: &Transaction, public_key: &[u8], signature: &[u8]) -> bool { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_signature` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `finished_block_chan` is never read [INFO] [stdout] --> src/miner/mod.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 24 | pub struct Context { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 28 | finished_block_chan: Sender, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `server` is never read [INFO] [stdout] --> src/miner/worker.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct Worker { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 9 | server: ServerHandle, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Worker` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `server` is never read [INFO] [stdout] --> src/network/worker.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 15 | pub struct Worker { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 18 | server: ServerHandle, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Worker` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `block` [INFO] [stdout] --> src/blockchain/mod.rs:14:30 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn insert(&mut self, block: &Block) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_block` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `bytes` [INFO] [stdout] --> src/types/address.rs:50:34 [INFO] [stdout] | [INFO] [stdout] 50 | pub fn from_public_key_bytes(bytes: &[u8]) -> Address { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `parent` [INFO] [stdout] --> src/types/block.rs:25:30 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn generate_random_block(parent: &H256) -> Block { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parent` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> src/types/merkle.rs:9:19 [INFO] [stdout] | [INFO] [stdout] 9 | pub fn new(data: &[T]) -> Self where T: Hashable, { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `index` [INFO] [stdout] --> src/types/merkle.rs:18:25 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn proof(&self, index: usize) -> Vec { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_index` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `root` [INFO] [stdout] --> src/types/merkle.rs:25:15 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn verify(root: &H256, datum: &H256, proof: &[H256], index: usize, leaf_size: usize) -> bool { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_root` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `datum` [INFO] [stdout] --> src/types/merkle.rs:25:28 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn verify(root: &H256, datum: &H256, proof: &[H256], index: usize, leaf_size: usize) -> bool { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_datum` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `proof` [INFO] [stdout] --> src/types/merkle.rs:25:42 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn verify(root: &H256, datum: &H256, proof: &[H256], index: usize, leaf_size: usize) -> bool { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_proof` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `index` [INFO] [stdout] --> src/types/merkle.rs:25:58 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn verify(root: &H256, datum: &H256, proof: &[H256], index: usize, leaf_size: usize) -> bool { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_index` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `leaf_size` [INFO] [stdout] --> src/types/merkle.rs:25:72 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn verify(root: &H256, datum: &H256, proof: &[H256], index: usize, leaf_size: usize) -> bool { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_leaf_size` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 22 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/types/transaction.rs:14:13 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn sign(t: &Transaction, key: &Ed25519KeyPair) -> Signature { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/types/transaction.rs:14:30 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn sign(t: &Transaction, key: &Ed25519KeyPair) -> Signature { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/types/transaction.rs:19:15 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn verify(t: &Transaction, public_key: &[u8], signature: &[u8]) -> bool { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `public_key` [INFO] [stdout] --> src/types/transaction.rs:19:32 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn verify(t: &Transaction, public_key: &[u8], signature: &[u8]) -> bool { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_public_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `signature` [INFO] [stdout] --> src/types/transaction.rs:19:51 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn verify(t: &Transaction, public_key: &[u8], signature: &[u8]) -> bool { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_signature` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `finished_block_chan` is never read [INFO] [stdout] --> src/miner/mod.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 24 | pub struct Context { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 28 | finished_block_chan: Sender, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `server` is never read [INFO] [stdout] --> src/miner/worker.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct Worker { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 9 | server: ServerHandle, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Worker` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `server` is never read [INFO] [stdout] --> src/network/worker.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 15 | pub struct Worker { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 18 | server: ServerHandle, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Worker` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 22 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.30s [INFO] running `Command { std: "docker" "inspect" "5f0fb0e97ab9a0ccbf55a6a704ac61639175bcda63eadd8760089682d3b4b70f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5f0fb0e97ab9a0ccbf55a6a704ac61639175bcda63eadd8760089682d3b4b70f", kill_on_drop: false }` [INFO] [stdout] 5f0fb0e97ab9a0ccbf55a6a704ac61639175bcda63eadd8760089682d3b4b70f