[INFO] cloning repository https://github.com/SaidiBTW/distributed-cache-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SaidiBTW/distributed-cache-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaidiBTW%2Fdistributed-cache-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaidiBTW%2Fdistributed-cache-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fee3616e4dd71452c9c4e0961c0626d5f9c03093 [INFO] checking SaidiBTW/distributed-cache-rs against master#9e293ae9f8abecb0be5105787d181518c9012a19 for pr-146440-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaidiBTW%2Fdistributed-cache-rs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/SaidiBTW/distributed-cache-rs [INFO] finished tweaking git repo https://github.com/SaidiBTW/distributed-cache-rs [INFO] tweaked toml for git repo https://github.com/SaidiBTW/distributed-cache-rs written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/SaidiBTW/distributed-cache-rs on toolchain 9e293ae9f8abecb0be5105787d181518c9012a19 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/SaidiBTW/distributed-cache-rs 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" "+9e293ae9f8abecb0be5105787d181518c9012a19" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cbf19ebe367b5de0e4efc109be9d4e2e9e13aca6f69b3b0553ee1e560d1f7eee [INFO] running `Command { std: "docker" "start" "-a" "cbf19ebe367b5de0e4efc109be9d4e2e9e13aca6f69b3b0553ee1e560d1f7eee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cbf19ebe367b5de0e4efc109be9d4e2e9e13aca6f69b3b0553ee1e560d1f7eee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cbf19ebe367b5de0e4efc109be9d4e2e9e13aca6f69b3b0553ee1e560d1f7eee", kill_on_drop: false }` [INFO] [stdout] cbf19ebe367b5de0e4efc109be9d4e2e9e13aca6f69b3b0553ee1e560d1f7eee [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 261b4fd8f6dbc205873e18642b25d580698351c9f9d4e5637b59728e5b9179f2 [INFO] running `Command { std: "docker" "start" "-a" "261b4fd8f6dbc205873e18642b25d580698351c9f9d4e5637b59728e5b9179f2", kill_on_drop: false }` [INFO] [stderr] Checking cache v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `net::TcpStream` [INFO] [stdout] --> src/event.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{net::TcpStream, sync::mpsc::Sender}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `raft::Node` [INFO] [stdout] --> src/models/cache_store.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | raft::Node, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::time` [INFO] [stdout] --> src/raft.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use core::time; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Arc`, `Condvar`, `Mutex`, and `TcpListener` [INFO] [stdout] --> src/raft.rs:5:11 [INFO] [stdout] | [INFO] [stdout] 5 | net::{TcpListener, TcpStream}, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 6 | sync::{Arc, Condvar, Mutex, mpsc}, [INFO] [stdout] | ^^^ ^^^^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `RequestVoteReply` and `command` [INFO] [stdout] --> src/raft.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | command, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 14 | event::Event, [INFO] [stdout] 15 | rpc::{RequestVoteArgs, RequestVoteReply}, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `LogEntry` [INFO] [stdout] --> src/rpc.rs:1:24 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::raft::{Log, LogEntry}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `net::TcpStream` [INFO] [stdout] --> src/event.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{net::TcpStream, sync::mpsc::Sender}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `raft::Node` [INFO] [stdout] --> src/models/cache_store.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | raft::Node, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::time` [INFO] [stdout] --> src/raft.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use core::time; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Arc`, `Condvar`, `Mutex`, and `TcpListener` [INFO] [stdout] --> src/raft.rs:5:11 [INFO] [stdout] | [INFO] [stdout] 5 | net::{TcpListener, TcpStream}, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 6 | sync::{Arc, Condvar, Mutex, mpsc}, [INFO] [stdout] | ^^^ ^^^^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `RequestVoteReply` and `command` [INFO] [stdout] --> src/raft.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | command, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 14 | event::Event, [INFO] [stdout] 15 | rpc::{RequestVoteArgs, RequestVoteReply}, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `LogEntry` [INFO] [stdout] --> src/rpc.rs:1:24 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::raft::{Log, LogEntry}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/client.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 30 | return Ok(Response::Ok(vec![])); [INFO] [stdout] | ------------------------------- any code following this expression is unreachable [INFO] [stdout] 31 | let mut status_buf = [0u8; 1]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/client.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 30 | return Ok(Response::Ok(vec![])); [INFO] [stdout] | ------------------------------- any code following this expression is unreachable [INFO] [stdout] 31 | let mut status_buf = [0u8; 1]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `timeout` [INFO] [stdout] --> src/raft.rs:170:13 [INFO] [stdout] | [INFO] [stdout] 170 | let timeout = generate_random_number() * 20; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timeout` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `other_members` [INFO] [stdout] --> src/raft.rs:195:13 [INFO] [stdout] | [INFO] [stdout] 195 | let other_members: Vec = MEMBERS [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_other_members` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tx` [INFO] [stdout] --> src/raft.rs:203:71 [INFO] [stdout] | [INFO] [stdout] 203 | pub fn send_request_vote(peer_add: String, args: RequestVoteArgs, tx: mpsc::Sender) { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_tx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `id` is never read [INFO] [stdout] --> src/models/thread_pool.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 16 | pub struct Worker { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 17 | id: usize, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `term` is never read [INFO] [stdout] --> src/raft.rs:139:5 [INFO] [stdout] | [INFO] [stdout] 138 | pub struct VoteRequest { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 139 | term: u32, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `VoteRequestError` is never constructed [INFO] [stdout] --> src/raft.rs:146:5 [INFO] [stdout] | [INFO] [stdout] 143 | enum VoteRequestResult { [INFO] [stdout] | ----------------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 146 | VoteRequestError = 0xFF, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `TimerState` is never constructed [INFO] [stdout] --> src/raft.rs:161:8 [INFO] [stdout] | [INFO] [stdout] 161 | struct TimerState { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `HEARTBEAT_INTERVAL` is never used [INFO] [stdout] --> src/raft.rs:165:7 [INFO] [stdout] | [INFO] [stdout] 165 | const HEARTBEAT_INTERVAL: u64 = 200; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `timeout` [INFO] [stdout] --> src/raft.rs:170:13 [INFO] [stdout] | [INFO] [stdout] 170 | let timeout = generate_random_number() * 20; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timeout` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `MEMBERS` should have a snake case name [INFO] [stdout] --> src/raft.rs:190:13 [INFO] [stdout] | [INFO] [stdout] 190 | let MEMBERS: Vec = vec![ [INFO] [stdout] | ^^^^^^^ help: convert the identifier to snake case: `members` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `MEMBERS` should have a snake case name [INFO] [stdout] --> src/raft.rs:241:13 [INFO] [stdout] | [INFO] [stdout] 241 | let MEMBERS: Vec = vec![ [INFO] [stdout] | ^^^^^^^ help: convert the identifier to snake case: `members` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `other_members` [INFO] [stdout] --> src/raft.rs:195:13 [INFO] [stdout] | [INFO] [stdout] 195 | let other_members: Vec = MEMBERS [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_other_members` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tx` [INFO] [stdout] --> src/raft.rs:203:71 [INFO] [stdout] | [INFO] [stdout] 203 | pub fn send_request_vote(peer_add: String, args: RequestVoteArgs, tx: mpsc::Sender) { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_tx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `id` is never read [INFO] [stdout] --> src/models/thread_pool.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 16 | pub struct Worker { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 17 | id: usize, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `term` is never read [INFO] [stdout] --> src/raft.rs:139:5 [INFO] [stdout] | [INFO] [stdout] 138 | pub struct VoteRequest { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 139 | term: u32, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `VoteRequestError` is never constructed [INFO] [stdout] --> src/raft.rs:146:5 [INFO] [stdout] | [INFO] [stdout] 143 | enum VoteRequestResult { [INFO] [stdout] | ----------------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 146 | VoteRequestError = 0xFF, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `TimerState` is never constructed [INFO] [stdout] --> src/raft.rs:161:8 [INFO] [stdout] | [INFO] [stdout] 161 | struct TimerState { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `HEARTBEAT_INTERVAL` is never used [INFO] [stdout] --> src/raft.rs:165:7 [INFO] [stdout] | [INFO] [stdout] 165 | const HEARTBEAT_INTERVAL: u64 = 200; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `MEMBERS` should have a snake case name [INFO] [stdout] --> src/raft.rs:190:13 [INFO] [stdout] | [INFO] [stdout] 190 | let MEMBERS: Vec = vec![ [INFO] [stdout] | ^^^^^^^ help: convert the identifier to snake case: `members` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `MEMBERS` should have a snake case name [INFO] [stdout] --> src/raft.rs:241:13 [INFO] [stdout] | [INFO] [stdout] 241 | let MEMBERS: Vec = vec![ [INFO] [stdout] | ^^^^^^^ help: convert the identifier to snake case: `members` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/sample.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | let mut node = Node::new(0); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node` [INFO] [stdout] --> src/bin/sample.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | let mut node = Node::new(0); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `listener` [INFO] [stdout] --> src/bin/sample.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | let listener = TcpListener::bind(format!("{}", "127.0.0.1:7878")).unwrap(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_listener` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Arc`, `Receiver`, `RwLock`, `Sender`, `collections::HashMap`, and `fs::read` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | collections::HashMap, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 4 | env, [INFO] [stdout] 5 | fs::read, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 9 | Arc, RwLock, [INFO] [stdout] | ^^^ ^^^^^^ [INFO] [stdout] 10 | mpsc::{self, Receiver, Sender}, [INFO] [stdout] | ^^^^^^^^ ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `CacheStore`, `Cache`, `Node`, and `VoteRequest` [INFO] [stdout] --> src/main.rs:19:23 [INFO] [stdout] | [INFO] [stdout] 19 | cache_store::{Cache, CacheStore}, [INFO] [stdout] | ^^^^^ ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | raft::{LogEntry, Node, NodeStatus, VoteRequest}, [INFO] [stdout] | ^^^^ ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/sample.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | let mut node = Node::new(0); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node` [INFO] [stdout] --> src/bin/sample.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | let mut node = Node::new(0); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `listener` [INFO] [stdout] --> src/bin/sample.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | let listener = TcpListener::bind(format!("{}", "127.0.0.1:7878")).unwrap(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_listener` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Arc`, `Receiver`, `RwLock`, `Sender`, `collections::HashMap`, and `fs::read` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | collections::HashMap, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 4 | env, [INFO] [stdout] 5 | fs::read, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 9 | Arc, RwLock, [INFO] [stdout] | ^^^ ^^^^^^ [INFO] [stdout] 10 | mpsc::{self, Receiver, Sender}, [INFO] [stdout] | ^^^^^^^^ ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `CacheStore`, `Cache`, `Node`, and `VoteRequest` [INFO] [stdout] --> src/main.rs:19:23 [INFO] [stdout] | [INFO] [stdout] 19 | cache_store::{Cache, CacheStore}, [INFO] [stdout] | ^^^^^ ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | raft::{LogEntry, Node, NodeStatus, VoteRequest}, [INFO] [stdout] | ^^^^ ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `missing_key` [INFO] [stdout] --> src/bin/client.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | let missing_key = b"Missing123"; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_missing_key` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `response` [INFO] [stdout] --> src/main.rs:129:13 [INFO] [stdout] | [INFO] [stdout] 129 | let response = RequestVoteReply::from_bytes(&reply_bytes); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `writer` [INFO] [stdout] --> src/main.rs:135:5 [INFO] [stdout] | [INFO] [stdout] 135 | writer: &mut BufWriter, [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `missing_key` [INFO] [stdout] --> src/bin/client.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | let missing_key = b"Missing123"; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_missing_key` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/main.rs:136:5 [INFO] [stdout] | [INFO] [stdout] 136 | key: &[u8], [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/main.rs:161:5 [INFO] [stdout] | [INFO] [stdout] 161 | key: &[u8], [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/main.rs:390:25 [INFO] [stdout] | [INFO] [stdout] 390 | _ => panic!("Unexpected value"), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/main.rs:390:25 [INFO] [stdout] | [INFO] [stdout] 236 | Command::Get => { [INFO] [stdout] | ------------ matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 279 | Command::Set => { [INFO] [stdout] | ------------ matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 343 | Command::Del => { [INFO] [stdout] | ------------ matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 384 | Command::RequestVote => { [INFO] [stdout] | -------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 390 | _ => panic!("Unexpected value"), [INFO] [stdout] | ^ ...and 1 other patterns collectively make this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `heart_beat_timer` [INFO] [stdout] --> src/main.rs:198:10 [INFO] [stdout] | [INFO] [stdout] 198 | let (heart_beat_timer, heart_beat_receiver) = mpsc::channel(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_heart_beat_timer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `response` [INFO] [stdout] --> src/main.rs:129:13 [INFO] [stdout] | [INFO] [stdout] 129 | let response = RequestVoteReply::from_bytes(&reply_bytes); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `log_item` [INFO] [stdout] --> src/main.rs:424:9 [INFO] [stdout] | [INFO] [stdout] 424 | for log_item in 0..logs_len { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_log_item` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `writer` [INFO] [stdout] --> src/main.rs:135:5 [INFO] [stdout] | [INFO] [stdout] 135 | writer: &mut BufWriter, [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/main.rs:136:5 [INFO] [stdout] | [INFO] [stdout] 136 | key: &[u8], [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `term` [INFO] [stdout] --> src/main.rs:435:13 [INFO] [stdout] | [INFO] [stdout] 435 | let term = u64::from_be_bytes(term); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_term` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/main.rs:161:5 [INFO] [stdout] | [INFO] [stdout] 161 | key: &[u8], [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/main.rs:533:33 [INFO] [stdout] | [INFO] [stdout] 533 | ... Err(err) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `term` [INFO] [stdout] --> src/main.rs:600:31 [INFO] [stdout] | [INFO] [stdout] 600 | Event::RpcReply { term, vote_granted } => todo!(), [INFO] [stdout] | ^^^^ help: try ignoring the field: `term: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `vote_granted` [INFO] [stdout] --> src/main.rs:600:37 [INFO] [stdout] | [INFO] [stdout] 600 | Event::RpcReply { term, vote_granted } => todo!(), [INFO] [stdout] | ^^^^^^^^^^^^ help: try ignoring the field: `vote_granted: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node_id` [INFO] [stdout] --> src/main.rs:770:13 [INFO] [stdout] | [INFO] [stdout] 770 | let node_id = env::var("NODE_ID").unwrap(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:842:13 [INFO] [stdout] | [INFO] [stdout] 842 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `handle_delete` is never used [INFO] [stdout] --> src/main.rs:134:4 [INFO] [stdout] | [INFO] [stdout] 134 | fn handle_delete( [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `write_response` is never used [INFO] [stdout] --> src/main.rs:146:4 [INFO] [stdout] | [INFO] [stdout] 146 | fn write_response( [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `handle_set` is never used [INFO] [stdout] --> src/main.rs:158:4 [INFO] [stdout] | [INFO] [stdout] 158 | fn handle_set( [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:426:9 [INFO] [stdout] | [INFO] [stdout] 426 | reader.read_exact(&mut commands_len); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 426 | let _ = reader.read_exact(&mut commands_len); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:432:9 [INFO] [stdout] | [INFO] [stdout] 432 | reader.read_exact(&mut term); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 432 | let _ = reader.read_exact(&mut term); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:439:9 [INFO] [stdout] | [INFO] [stdout] 439 | reader.read_exact(&mut commands); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 439 | let _ = reader.read_exact(&mut commands); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `peerCount` should have a snake case name [INFO] [stdout] --> src/main.rs:495:25 [INFO] [stdout] | [INFO] [stdout] 495 | let peerCount = peers.len(); [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `peer_count` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:817:13 [INFO] [stdout] | [INFO] [stdout] 817 | stream.read_exact(&mut response_buf); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 817 | let _ = stream.read_exact(&mut response_buf); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/main.rs:390:25 [INFO] [stdout] | [INFO] [stdout] 390 | _ => panic!("Unexpected value"), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/main.rs:390:25 [INFO] [stdout] | [INFO] [stdout] 236 | Command::Get => { [INFO] [stdout] | ------------ matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 279 | Command::Set => { [INFO] [stdout] | ------------ matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 343 | Command::Del => { [INFO] [stdout] | ------------ matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 384 | Command::RequestVote => { [INFO] [stdout] | -------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 390 | _ => panic!("Unexpected value"), [INFO] [stdout] | ^ ...and 1 other patterns collectively make this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `heart_beat_timer` [INFO] [stdout] --> src/main.rs:198:10 [INFO] [stdout] | [INFO] [stdout] 198 | let (heart_beat_timer, heart_beat_receiver) = mpsc::channel(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_heart_beat_timer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `log_item` [INFO] [stdout] --> src/main.rs:424:9 [INFO] [stdout] | [INFO] [stdout] 424 | for log_item in 0..logs_len { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_log_item` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `term` [INFO] [stdout] --> src/main.rs:435:13 [INFO] [stdout] | [INFO] [stdout] 435 | let term = u64::from_be_bytes(term); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_term` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/main.rs:533:33 [INFO] [stdout] | [INFO] [stdout] 533 | ... Err(err) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `term` [INFO] [stdout] --> src/main.rs:600:31 [INFO] [stdout] | [INFO] [stdout] 600 | Event::RpcReply { term, vote_granted } => todo!(), [INFO] [stdout] | ^^^^ help: try ignoring the field: `term: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `vote_granted` [INFO] [stdout] --> src/main.rs:600:37 [INFO] [stdout] | [INFO] [stdout] 600 | Event::RpcReply { term, vote_granted } => todo!(), [INFO] [stdout] | ^^^^^^^^^^^^ help: try ignoring the field: `vote_granted: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node_id` [INFO] [stdout] --> src/main.rs:770:13 [INFO] [stdout] | [INFO] [stdout] 770 | let node_id = env::var("NODE_ID").unwrap(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:842:13 [INFO] [stdout] | [INFO] [stdout] 842 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `handle_delete` is never used [INFO] [stdout] --> src/main.rs:134:4 [INFO] [stdout] | [INFO] [stdout] 134 | fn handle_delete( [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `write_response` is never used [INFO] [stdout] --> src/main.rs:146:4 [INFO] [stdout] | [INFO] [stdout] 146 | fn write_response( [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `handle_set` is never used [INFO] [stdout] --> src/main.rs:158:4 [INFO] [stdout] | [INFO] [stdout] 158 | fn handle_set( [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:426:9 [INFO] [stdout] | [INFO] [stdout] 426 | reader.read_exact(&mut commands_len); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 426 | let _ = reader.read_exact(&mut commands_len); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:432:9 [INFO] [stdout] | [INFO] [stdout] 432 | reader.read_exact(&mut term); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 432 | let _ = reader.read_exact(&mut term); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:439:9 [INFO] [stdout] | [INFO] [stdout] 439 | reader.read_exact(&mut commands); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 439 | let _ = reader.read_exact(&mut commands); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `peerCount` should have a snake case name [INFO] [stdout] --> src/main.rs:495:25 [INFO] [stdout] | [INFO] [stdout] 495 | let peerCount = peers.len(); [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `peer_count` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.43s [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:817:13 [INFO] [stdout] | [INFO] [stdout] 817 | stream.read_exact(&mut response_buf); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 817 | let _ = stream.read_exact(&mut response_buf); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "261b4fd8f6dbc205873e18642b25d580698351c9f9d4e5637b59728e5b9179f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "261b4fd8f6dbc205873e18642b25d580698351c9f9d4e5637b59728e5b9179f2", kill_on_drop: false }` [INFO] [stdout] 261b4fd8f6dbc205873e18642b25d580698351c9f9d4e5637b59728e5b9179f2