[INFO] cloning repository https://github.com/KonstmarNSK/ngamahi-raft [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KonstmarNSK/ngamahi-raft" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKonstmarNSK%2Fngamahi-raft", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKonstmarNSK%2Fngamahi-raft'... 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[INFO] validating manifest of git repo https://github.com/KonstmarNSK/ngamahi-raft on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/KonstmarNSK/ngamahi-raft [INFO] finished tweaking git repo https://github.com/KonstmarNSK/ngamahi-raft [INFO] tweaked toml for git repo https://github.com/KonstmarNSK/ngamahi-raft written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/KonstmarNSK/ngamahi-raft 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d9014fc50fd10b4892b2b1e3bcfe5591f147c5f1160f76a51108efd1218ddcec [INFO] running `Command { std: "docker" "start" "-a" "d9014fc50fd10b4892b2b1e3bcfe5591f147c5f1160f76a51108efd1218ddcec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d9014fc50fd10b4892b2b1e3bcfe5591f147c5f1160f76a51108efd1218ddcec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9014fc50fd10b4892b2b1e3bcfe5591f147c5f1160f76a51108efd1218ddcec", kill_on_drop: false }` [INFO] [stdout] d9014fc50fd10b4892b2b1e3bcfe5591f147c5f1160f76a51108efd1218ddcec [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 834d010307df0b0588af1d9f652fae69a6b1847000a9d99eed8e13a5c80f520f [INFO] running `Command { std: "docker" "start" "-a" "834d010307df0b0588af1d9f652fae69a6b1847000a9d99eed8e13a5c80f520f", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.11 [INFO] [stderr] Compiling once_cell v1.14.0 [INFO] [stderr] Compiling crossbeam-queue v0.3.6 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.10 [INFO] [stderr] Compiling crossbeam-channel v0.5.6 [INFO] [stderr] Compiling crossbeam-deque v0.8.2 [INFO] [stderr] Compiling crossbeam v0.8.2 [INFO] [stderr] Compiling ngamahi-raft v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Debug` and `Formatter` [INFO] [stdout] --> src/lib.rs:3:16 [INFO] [stdout] | [INFO] [stdout] 3 | use std::fmt::{Debug, Formatter}; [INFO] [stdout] | ^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `RaftTerm` [INFO] [stdout] --> src/msg_process/mod.rs:2:57 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::state::{Candidate, Leader, LogEntry, NodeId, RaftTerm, State, StateMachine, Types}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cmp::Ordering` [INFO] [stdout] --> src/msg_process/process_append_entries.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::cmp::Ordering; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt::format` [INFO] [stdout] --> src/msg_process/process_append_entries.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::fmt::format; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Candidate` and `Leader` [INFO] [stdout] --> src/msg_process/process_append_entries.rs:7:20 [INFO] [stdout] | [INFO] [stdout] 7 | use crate::state::{Leader, Follower, Candidate}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `RaftLog` [INFO] [stdout] --> src/msg_process/process_request_vote.rs:2:38 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::state::{Follower, NodeId, RaftLog, RaftTerm, State, Types}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::message::OutputMessage::RaftResp` [INFO] [stdout] --> src/msg_process/process_timer_events.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::message::OutputMessage::RaftResp; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::message::RaftRpcResp::RequestVote` [INFO] [stdout] --> src/msg_process/process_timer_events.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::message::RaftRpcResp::RequestVote; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `LogEntry` and `NodeId` [INFO] [stdout] --> src/msg_process/process_timer_events.rs:4:49 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::state::{Candidate, Follower, Leader, LogEntry, NodeId, State, Types}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `StateMachine` [INFO] [stdout] --> src/msg_process/mod.rs:2:74 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::state::{Candidate, Leader, LogEntry, NodeId, RaftTerm, State, StateMachine, Types}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/state.rs:133:16 [INFO] [stdout] | [INFO] [stdout] 133 | pub fn new(mut params: InitParams) -> Self { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node_id` [INFO] [stdout] --> src/state.rs:141:12 [INFO] [stdout] | [INFO] [stdout] 141 | fn new(node_id: NodeId, persisted_state: PersistentCommonState) -> Self { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `entries` [INFO] [stdout] --> src/state.rs:173:34 [INFO] [stdout] | [INFO] [stdout] 173 | pub fn add_to_log(&mut self, entries: &[LogEntry]) { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_entries` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/msg_process/process_append_entries.rs:9:35 [INFO] [stdout] | [INFO] [stdout] 9 | pub fn process_msg(mut state: State, mut message: AppendEntriesReq) [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/msg_process/process_request_vote.rs:4:35 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn process_msg(mut state: State, mut message: RequestVoteReq) [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/msg_process/process_request_vote.rs:4:61 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn process_msg(mut state: State, mut message: RequestVoteReq) [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/msg_process/process_timer_events.rs:6:35 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn process_msg(mut state: State, message: TimerMessage) [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/msg_process/process_timer_events.rs:91:9 [INFO] [stdout] | [INFO] [stdout] 91 | let mut state = state.into_candidate(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `addressee` [INFO] [stdout] --> src/msg_process/mod.rs:14:45 [INFO] [stdout] | [INFO] [stdout] 14 | RaftRpcReq::AppendEntries { addressee, req } => { [INFO] [stdout] | ^^^^^^^^^ help: try ignoring the field: `addressee: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/msg_process/mod.rs:77:69 [INFO] [stdout] | [INFO] [stdout] 77 | fn process_client_request(mut state: Leader, mut req: ClientMessageReq) [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `id` [INFO] [stdout] --> src/msg_process/mod.rs:140:33 [INFO] [stdout] | [INFO] [stdout] 140 | .map(|(&id, &idx)| idx) [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/msg_process/mod.rs:174:5 [INFO] [stdout] | [INFO] [stdout] 174 | mut state: State, [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `process_message` is never used [INFO] [stdout] --> src/lib.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 12 | impl RaftNode { [INFO] [stdout] | ------------------------------------ method in this implementation [INFO] [stdout] 13 | pub fn process_message(&mut self, message: InputMessage) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `cmd` and `term` are never read [INFO] [stdout] --> src/state.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 24 | pub struct LogEntry { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 25 | pub cmd: TCmd, [INFO] [stdout] | ^^^ [INFO] [stdout] 26 | pub term: RaftTerm, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `LogEntry` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `current_term`, `voted_for`, `last_msg_term`, and `state_machine` are never read [INFO] [stdout] --> src/state.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 39 | pub struct PersistentCommonState { [INFO] [stdout] | --------------------- fields in this struct [INFO] [stdout] 40 | pub this_node_id: NodeId, [INFO] [stdout] 41 | pub current_term: RaftTerm, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 42 | pub voted_for: Option, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 46 | pub last_msg_term: RaftTerm, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 47 | pub state_machine: TTypes::TStateMachine, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `apply_commands` is never used [INFO] [stdout] --> src/state.rs:52:12 [INFO] [stdout] | [INFO] [stdout] 51 | impl PersistentCommonState { [INFO] [stdout] | ------------------------------------------------- method in this implementation [INFO] [stdout] 52 | pub fn apply_commands(&mut self, start: usize, end: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/state.rs:58:12 [INFO] [stdout] | [INFO] [stdout] 57 | impl PersistentCommonState { [INFO] [stdout] | ------------------------------------------------- associated function in this implementation [INFO] [stdout] 58 | pub fn new(node_id: NodeId, mut others: HashSet, state_machine: TTypes::TStateMachine) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `committed_idx`, `last_applied`, and `known_leader` are never read [INFO] [stdout] --> src/state.rs:76:9 [INFO] [stdout] | [INFO] [stdout] 75 | pub struct VolatileCommonState { [INFO] [stdout] | ------------------- fields in this struct [INFO] [stdout] 76 | pub committed_idx: usize, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 77 | pub last_applied: usize, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 78 | pub known_leader: Option, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `common_volatile` is never read [INFO] [stdout] --> src/state.rs:83:9 [INFO] [stdout] | [INFO] [stdout] 81 | pub struct CommonState { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 82 | pub common_persistent: PersistentCommonState, [INFO] [stdout] 83 | pub common_volatile: VolatileCommonState, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `State` is never used [INFO] [stdout] --> src/state.rs:86:10 [INFO] [stdout] | [INFO] [stdout] 86 | pub enum State { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `StateMachine` is never used [INFO] [stdout] --> src/state.rs:93:11 [INFO] [stdout] | [INFO] [stdout] 93 | pub trait StateMachine { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `common_state` and `trigger_election_next_time` are never read [INFO] [stdout] --> src/state.rs:98:9 [INFO] [stdout] | [INFO] [stdout] 97 | pub struct Follower { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 98 | pub common_state: CommonState, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 101 | pub trigger_election_next_time: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `followers_voted` is never read [INFO] [stdout] --> src/state.rs:108:9 [INFO] [stdout] | [INFO] [stdout] 104 | pub struct Candidate { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 108 | pub followers_voted: HashSet, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `next_idx` and `match_idx` are never read [INFO] [stdout] --> src/state.rs:115:9 [INFO] [stdout] | [INFO] [stdout] 111 | pub struct Leader { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] ... [INFO] [stdout] 115 | pub next_idx: HashMap, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 116 | pub match_idx: HashMap, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `InitParams` is never constructed [INFO] [stdout] --> src/state.rs:120:12 [INFO] [stdout] | [INFO] [stdout] 120 | pub struct InitParams { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `RaftNode` is never constructed [INFO] [stdout] --> src/state.rs:128:12 [INFO] [stdout] | [INFO] [stdout] 128 | pub struct RaftNode { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/state.rs:133:12 [INFO] [stdout] | [INFO] [stdout] 132 | impl RaftNode { [INFO] [stdout] | ------------------------------------ associated function in this implementation [INFO] [stdout] 133 | pub fn new(mut params: InitParams) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `common`, `common_mut`, `apply_commands`, and `add_to_log` are never used [INFO] [stdout] --> src/state.rs:141:8 [INFO] [stdout] | [INFO] [stdout] 140 | impl State { [INFO] [stdout] | --------------------------------- associated items in this implementation [INFO] [stdout] 141 | fn new(node_id: NodeId, persisted_state: PersistentCommonState) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 145 | pub fn common(&self) -> &CommonState { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 154 | pub fn common_mut(&mut self) -> &mut CommonState { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 162 | pub fn apply_commands(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 173 | pub fn add_to_log(&mut self, entries: &[LogEntry]) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `into_candidate` are never used [INFO] [stdout] --> src/state.rs:179:8 [INFO] [stdout] | [INFO] [stdout] 178 | impl Follower { [INFO] [stdout] | ------------------------------------ associated items in this implementation [INFO] [stdout] 179 | fn new(persisted_state: PersistentCommonState) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 184 | pub fn into_candidate(self) -> Candidate { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/state.rs:190:8 [INFO] [stdout] | [INFO] [stdout] 189 | impl CommonState { [INFO] [stdout] | --------------------------------------- associated function in this implementation [INFO] [stdout] 190 | fn new(persisted_state: PersistentCommonState) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `process_msg` is never used [INFO] [stdout] --> src/msg_process/mod.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | pub fn process_msg(state: State, message: InputMessage) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `client_resp_false` is never used [INFO] [stdout] --> src/msg_process/mod.rs:68:4 [INFO] [stdout] | [INFO] [stdout] 68 | fn client_resp_false(req_uid: u128, leader: Option) -> ClientMessageResp { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `process_client_request` is never used [INFO] [stdout] --> src/msg_process/mod.rs:77:4 [INFO] [stdout] | [INFO] [stdout] 77 | fn process_client_request(mut state: Leader, mut req: ClientMessageReq) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `process_append_entries_response_common` is never used [INFO] [stdout] --> src/msg_process/mod.rs:96:4 [INFO] [stdout] | [INFO] [stdout] 96 | fn process_append_entries_response_common( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `process_append_entries_response` is never used [INFO] [stdout] --> src/msg_process/mod.rs:114:4 [INFO] [stdout] | [INFO] [stdout] 114 | fn process_append_entries_response( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `process_request_vote_response_common` is never used [INFO] [stdout] --> src/msg_process/mod.rs:173:4 [INFO] [stdout] | [INFO] [stdout] 173 | fn process_request_vote_response_common( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `process_request_vote_response` is never used [INFO] [stdout] --> src/msg_process/mod.rs:190:4 [INFO] [stdout] | [INFO] [stdout] 190 | fn process_request_vote_response( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `heartbeat_msg` is never used [INFO] [stdout] --> src/msg_process/mod.rs:206:8 [INFO] [stdout] | [INFO] [stdout] 206 | pub fn heartbeat_msg(state: &Leader) -> AppendEntriesReq { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `process_msg` is never used [INFO] [stdout] --> src/msg_process/process_append_entries.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | pub fn process_msg(mut state: State, mut message: AppendEntriesReq) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `reply_false` is never used [INFO] [stdout] --> src/msg_process/process_append_entries.rs:133:4 [INFO] [stdout] | [INFO] [stdout] 133 | fn reply_false(curr_term: RaftTerm, appended: usize, sender: NodeId) -> RaftRpcResp { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `reply_true` is never used [INFO] [stdout] --> src/msg_process/process_append_entries.rs:137:4 [INFO] [stdout] | [INFO] [stdout] 137 | fn reply_true(curr_term: RaftTerm, appended: usize, sender: NodeId) -> RaftRpcResp { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `process_msg` is never used [INFO] [stdout] --> src/msg_process/process_request_vote.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn process_msg(mut state: State, mut message: RequestVoteReq) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `reply_false` is never used [INFO] [stdout] --> src/msg_process/process_request_vote.rs:59:4 [INFO] [stdout] | [INFO] [stdout] 59 | fn reply_false(curr_term: RaftTerm, sender: NodeId) -> RaftRpcResp { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `reply_true` is never used [INFO] [stdout] --> src/msg_process/process_request_vote.rs:63:4 [INFO] [stdout] | [INFO] [stdout] 63 | fn reply_true(curr_term: RaftTerm, sender: NodeId) -> RaftRpcResp { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `is_log_up_to_date` is never used [INFO] [stdout] --> src/msg_process/process_request_vote.rs:68:4 [INFO] [stdout] | [INFO] [stdout] 68 | fn is_log_up_to_date(state: &Follower, req: &RequestVoteReq) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `process_msg` is never used [INFO] [stdout] --> src/msg_process/process_timer_events.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn process_msg(mut state: State, message: TimerMessage) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `process_heartbeat_trigger` is never used [INFO] [stdout] --> src/msg_process/process_timer_events.rs:31:8 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn process_heartbeat_trigger(state: &Leader) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `FollowerOrCandidate` is never used [INFO] [stdout] --> src/msg_process/process_timer_events.rs:74:6 [INFO] [stdout] | [INFO] [stdout] 74 | enum FollowerOrCandidate { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `process_election_trigger` is never used [INFO] [stdout] --> src/msg_process/process_timer_events.rs:79:4 [INFO] [stdout] | [INFO] [stdout] 79 | fn process_election_trigger(state: FollowerOrCandidate) -> (State, Vec>) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `follower_elect` is never used [INFO] [stdout] --> src/msg_process/process_timer_events.rs:89:4 [INFO] [stdout] | [INFO] [stdout] 89 | fn follower_elect(state: Follower) -> (State, Vec>) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `start_election` is never used [INFO] [stdout] --> src/msg_process/process_timer_events.rs:97:4 [INFO] [stdout] | [INFO] [stdout] 97 | fn start_election(mut state: Candidate) -> (State, Vec>) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Message` is never used [INFO] [stdout] --> src/message.rs:4:10 [INFO] [stdout] | [INFO] [stdout] 4 | pub enum Message { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Message` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `InputMessage` is never used [INFO] [stdout] --> src/message.rs:10:10 [INFO] [stdout] | [INFO] [stdout] 10 | pub enum InputMessage { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `InputMessage` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `OutputMessage` is never used [INFO] [stdout] --> src/message.rs:19:10 [INFO] [stdout] | [INFO] [stdout] 19 | pub enum OutputMessage { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `OutputMessage` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ClientMessageReq` is never constructed [INFO] [stdout] --> src/message.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 26 | pub struct ClientMessageReq{ [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ClientMessageReq` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ClientMessageResp` is never constructed [INFO] [stdout] --> src/message.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 33 | pub struct ClientMessageResp{ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ClientMessageResp` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `TimerMessage` is never used [INFO] [stdout] --> src/message.rs:40:10 [INFO] [stdout] | [INFO] [stdout] 40 | pub enum TimerMessage { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TimerMessage` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `RaftRpcReq` is never used [INFO] [stdout] --> src/message.rs:46:10 [INFO] [stdout] | [INFO] [stdout] 46 | pub enum RaftRpcReq { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `RaftRpcReq` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `RaftRpcResp` is never used [INFO] [stdout] --> src/message.rs:52:10 [INFO] [stdout] | [INFO] [stdout] 52 | pub enum RaftRpcResp { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `RaftRpcResp` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `AppendEntriesResp` is never constructed [INFO] [stdout] --> src/message.rs:58:12 [INFO] [stdout] | [INFO] [stdout] 58 | pub struct AppendEntriesResp { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `AppendEntriesResp` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ReqVoteResp` is never constructed [INFO] [stdout] --> src/message.rs:66:12 [INFO] [stdout] | [INFO] [stdout] 66 | pub struct ReqVoteResp { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ReqVoteResp` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `AppendEntriesReq` is never constructed [INFO] [stdout] --> src/message.rs:73:12 [INFO] [stdout] | [INFO] [stdout] 73 | pub struct AppendEntriesReq { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `AppendEntriesReq` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `RequestVoteReq` is never constructed [INFO] [stdout] --> src/message.rs:85:12 [INFO] [stdout] | [INFO] [stdout] 85 | pub struct RequestVoteReq { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `RequestVoteReq` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: bounds on generic parameters in type aliases are not enforced [INFO] [stdout] --> src/state.rs:37:26 [INFO] [stdout] | [INFO] [stdout] 37 | pub type RaftLog = Vec>; [INFO] [stdout] | ^^^^^ will not be checked at usage sites of the type alias [INFO] [stdout] | [INFO] [stdout] = note: this is a known limitation of the type checker that may be lifted in a future edition. [INFO] [stdout] see issue #112792 for more information [INFO] [stdout] = help: add `#![feature(lazy_type_alias)]` to the crate attributes to enable the desired semantics [INFO] [stdout] = note: `#[warn(type_alias_bounds)]` on by default [INFO] [stdout] help: remove this bound [INFO] [stdout] | [INFO] [stdout] 37 - pub type RaftLog = Vec>; [INFO] [stdout] 37 + pub type RaftLog = Vec>; [INFO] [stdout] | [INFO] [stdout] help: fully qualify this associated type [INFO] [stdout] | [INFO] [stdout] 37 | pub type RaftLog = Vec::TCmd>>; [INFO] [stdout] | + +++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused arithmetic operation that must be used [INFO] [stdout] --> src/msg_process/mod.rs:122:46 [INFO] [stdout] | [INFO] [stdout] 122 | .and_modify(|&mut old_idx| { old_idx + resp.appended_entries_count; }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the arithmetic operation produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 122 | .and_modify(|&mut old_idx| { let _ = old_idx + resp.appended_entries_count; }); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused arithmetic operation that must be used [INFO] [stdout] --> src/msg_process/mod.rs:125:46 [INFO] [stdout] | [INFO] [stdout] 125 | .and_modify(|&mut old_idx| { old_idx + resp.appended_entries_count; }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the arithmetic operation produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 125 | .and_modify(|&mut old_idx| { let _ = old_idx + resp.appended_entries_count; }); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused arithmetic operation that must be used [INFO] [stdout] --> src/msg_process/mod.rs:166:46 [INFO] [stdout] | [INFO] [stdout] 166 | .and_modify(|&mut old_idx| { old_idx - 1; }); [INFO] [stdout] | ^^^^^^^^^^^ the arithmetic operation produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 166 | .and_modify(|&mut old_idx| { let _ = old_idx - 1; }); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.76s [INFO] running `Command { std: "docker" "inspect" "834d010307df0b0588af1d9f652fae69a6b1847000a9d99eed8e13a5c80f520f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "834d010307df0b0588af1d9f652fae69a6b1847000a9d99eed8e13a5c80f520f", kill_on_drop: false }` [INFO] [stdout] 834d010307df0b0588af1d9f652fae69a6b1847000a9d99eed8e13a5c80f520f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a9903ed6700e40c408f30fa24cd27994c315ed733a6315294733272c934d9582 [INFO] running `Command { std: "docker" "start" "-a" "a9903ed6700e40c408f30fa24cd27994c315ed733a6315294733272c934d9582", kill_on_drop: false }` [INFO] [stdout] warning: unused imports: `Debug` and `Formatter` [INFO] [stdout] --> src/lib.rs:3:16 [INFO] [stdout] | [INFO] [stdout] 3 | use std::fmt::{Debug, Formatter}; [INFO] [stdout] | ^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `RaftTerm` [INFO] [stdout] --> src/msg_process/mod.rs:2:57 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::state::{Candidate, Leader, LogEntry, NodeId, RaftTerm, State, StateMachine, Types}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cmp::Ordering` [INFO] [stdout] --> src/msg_process/process_append_entries.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::cmp::Ordering; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt::format` [INFO] [stdout] --> src/msg_process/process_append_entries.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::fmt::format; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Candidate` and `Leader` [INFO] [stdout] --> src/msg_process/process_append_entries.rs:7:20 [INFO] [stdout] | [INFO] [stdout] 7 | use crate::state::{Leader, Follower, Candidate}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `RaftLog` [INFO] [stdout] --> src/msg_process/process_request_vote.rs:2:38 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::state::{Follower, NodeId, RaftLog, RaftTerm, State, Types}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::message::OutputMessage::RaftResp` [INFO] [stdout] --> src/msg_process/process_timer_events.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::message::OutputMessage::RaftResp; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::message::RaftRpcResp::RequestVote` [INFO] [stdout] --> src/msg_process/process_timer_events.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::message::RaftRpcResp::RequestVote; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `LogEntry` and `NodeId` [INFO] [stdout] --> src/msg_process/process_timer_events.rs:4:49 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::state::{Candidate, Follower, Leader, LogEntry, NodeId, State, Types}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `StateMachine` [INFO] [stdout] --> src/msg_process/mod.rs:2:74 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::state::{Candidate, Leader, LogEntry, NodeId, RaftTerm, State, StateMachine, Types}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/state.rs:133:16 [INFO] [stdout] | [INFO] [stdout] 133 | pub fn new(mut params: InitParams) -> Self { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node_id` [INFO] [stdout] --> src/state.rs:141:12 [INFO] [stdout] | [INFO] [stdout] 141 | fn new(node_id: NodeId, persisted_state: PersistentCommonState) -> Self { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `entries` [INFO] [stdout] --> src/state.rs:173:34 [INFO] [stdout] | [INFO] [stdout] 173 | pub fn add_to_log(&mut self, entries: &[LogEntry]) { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_entries` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/msg_process/process_append_entries.rs:9:35 [INFO] [stdout] | [INFO] [stdout] 9 | pub fn process_msg(mut state: State, mut message: AppendEntriesReq) [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/msg_process/process_request_vote.rs:4:35 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn process_msg(mut state: State, mut message: RequestVoteReq) [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/msg_process/process_request_vote.rs:4:61 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn process_msg(mut state: State, mut message: RequestVoteReq) [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/msg_process/process_timer_events.rs:6:35 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn process_msg(mut state: State, message: TimerMessage) [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/msg_process/process_timer_events.rs:91:9 [INFO] [stdout] | [INFO] [stdout] 91 | let mut state = state.into_candidate(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `addressee` [INFO] [stdout] --> src/msg_process/mod.rs:14:45 [INFO] [stdout] | [INFO] [stdout] 14 | RaftRpcReq::AppendEntries { addressee, req } => { [INFO] [stdout] | ^^^^^^^^^ help: try ignoring the field: `addressee: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/msg_process/mod.rs:77:69 [INFO] [stdout] | [INFO] [stdout] 77 | fn process_client_request(mut state: Leader, mut req: ClientMessageReq) [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `id` [INFO] [stdout] --> src/msg_process/mod.rs:140:33 [INFO] [stdout] | [INFO] [stdout] 140 | .map(|(&id, &idx)| idx) [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/msg_process/mod.rs:174:5 [INFO] [stdout] | [INFO] [stdout] 174 | mut state: State, [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `process_message` is never used [INFO] [stdout] --> src/lib.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 12 | impl RaftNode { [INFO] [stdout] | ------------------------------------ method in this implementation [INFO] [stdout] 13 | pub fn process_message(&mut self, message: InputMessage) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `cmd` and `term` are never read [INFO] [stdout] --> src/state.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 24 | pub struct LogEntry { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 25 | pub cmd: TCmd, [INFO] [stdout] | ^^^ [INFO] [stdout] 26 | pub term: RaftTerm, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `LogEntry` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `current_term`, `voted_for`, `last_msg_term`, and `state_machine` are never read [INFO] [stdout] --> src/state.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 39 | pub struct PersistentCommonState { [INFO] [stdout] | --------------------- fields in this struct [INFO] [stdout] 40 | pub this_node_id: NodeId, [INFO] [stdout] 41 | pub current_term: RaftTerm, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 42 | pub voted_for: Option, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 46 | pub last_msg_term: RaftTerm, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 47 | pub state_machine: TTypes::TStateMachine, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `apply_commands` is never used [INFO] [stdout] --> src/state.rs:52:12 [INFO] [stdout] | [INFO] [stdout] 51 | impl PersistentCommonState { [INFO] [stdout] | ------------------------------------------------- method in this implementation [INFO] [stdout] 52 | pub fn apply_commands(&mut self, start: usize, end: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/state.rs:58:12 [INFO] [stdout] | [INFO] [stdout] 57 | impl PersistentCommonState { [INFO] [stdout] | ------------------------------------------------- associated function in this implementation [INFO] [stdout] 58 | pub fn new(node_id: NodeId, mut others: HashSet, state_machine: TTypes::TStateMachine) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `committed_idx`, `last_applied`, and `known_leader` are never read [INFO] [stdout] --> src/state.rs:76:9 [INFO] [stdout] | [INFO] [stdout] 75 | pub struct VolatileCommonState { [INFO] [stdout] | ------------------- fields in this struct [INFO] [stdout] 76 | pub committed_idx: usize, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 77 | pub last_applied: usize, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 78 | pub known_leader: Option, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `common_volatile` is never read [INFO] [stdout] --> src/state.rs:83:9 [INFO] [stdout] | [INFO] [stdout] 81 | pub struct CommonState { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 82 | pub common_persistent: PersistentCommonState, [INFO] [stdout] 83 | pub common_volatile: VolatileCommonState, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `State` is never used [INFO] [stdout] --> src/state.rs:86:10 [INFO] [stdout] | [INFO] [stdout] 86 | pub enum State { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `StateMachine` is never used [INFO] [stdout] --> src/state.rs:93:11 [INFO] [stdout] | [INFO] [stdout] 93 | pub trait StateMachine { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `common_state` and `trigger_election_next_time` are never read [INFO] [stdout] --> src/state.rs:98:9 [INFO] [stdout] | [INFO] [stdout] 97 | pub struct Follower { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 98 | pub common_state: CommonState, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 101 | pub trigger_election_next_time: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `followers_voted` is never read [INFO] [stdout] --> src/state.rs:108:9 [INFO] [stdout] | [INFO] [stdout] 104 | pub struct Candidate { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 108 | pub followers_voted: HashSet, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `next_idx` and `match_idx` are never read [INFO] [stdout] --> src/state.rs:115:9 [INFO] [stdout] | [INFO] [stdout] 111 | pub struct Leader { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] ... [INFO] [stdout] 115 | pub next_idx: HashMap, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 116 | pub match_idx: HashMap, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `InitParams` is never constructed [INFO] [stdout] --> src/state.rs:120:12 [INFO] [stdout] | [INFO] [stdout] 120 | pub struct InitParams { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `RaftNode` is never constructed [INFO] [stdout] --> src/state.rs:128:12 [INFO] [stdout] | [INFO] [stdout] 128 | pub struct RaftNode { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/state.rs:133:12 [INFO] [stdout] | [INFO] [stdout] 132 | impl RaftNode { [INFO] [stdout] | ------------------------------------ associated function in this implementation [INFO] [stdout] 133 | pub fn new(mut params: InitParams) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `common`, `common_mut`, `apply_commands`, and `add_to_log` are never used [INFO] [stdout] --> src/state.rs:141:8 [INFO] [stdout] | [INFO] [stdout] 140 | impl State { [INFO] [stdout] | --------------------------------- associated items in this implementation [INFO] [stdout] 141 | fn new(node_id: NodeId, persisted_state: PersistentCommonState) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 145 | pub fn common(&self) -> &CommonState { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 154 | pub fn common_mut(&mut self) -> &mut CommonState { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 162 | pub fn apply_commands(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 173 | pub fn add_to_log(&mut self, entries: &[LogEntry]) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `into_candidate` are never used [INFO] [stdout] --> src/state.rs:179:8 [INFO] [stdout] | [INFO] [stdout] 178 | impl Follower { [INFO] [stdout] | ------------------------------------ associated items in this implementation [INFO] [stdout] 179 | fn new(persisted_state: PersistentCommonState) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 184 | pub fn into_candidate(self) -> Candidate { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/state.rs:190:8 [INFO] [stdout] | [INFO] [stdout] 189 | impl CommonState { [INFO] [stdout] | --------------------------------------- associated function in this implementation [INFO] [stdout] 190 | fn new(persisted_state: PersistentCommonState) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `process_msg` is never used [INFO] [stdout] --> src/msg_process/mod.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | pub fn process_msg(state: State, message: InputMessage) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `client_resp_false` is never used [INFO] [stdout] --> src/msg_process/mod.rs:68:4 [INFO] [stdout] | [INFO] [stdout] 68 | fn client_resp_false(req_uid: u128, leader: Option) -> ClientMessageResp { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `process_client_request` is never used [INFO] [stdout] --> src/msg_process/mod.rs:77:4 [INFO] [stdout] | [INFO] [stdout] 77 | fn process_client_request(mut state: Leader, mut req: ClientMessageReq) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `process_append_entries_response_common` is never used [INFO] [stdout] --> src/msg_process/mod.rs:96:4 [INFO] [stdout] | [INFO] [stdout] 96 | fn process_append_entries_response_common( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `process_append_entries_response` is never used [INFO] [stdout] --> src/msg_process/mod.rs:114:4 [INFO] [stdout] | [INFO] [stdout] 114 | fn process_append_entries_response( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `process_request_vote_response_common` is never used [INFO] [stdout] --> src/msg_process/mod.rs:173:4 [INFO] [stdout] | [INFO] [stdout] 173 | fn process_request_vote_response_common( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `process_request_vote_response` is never used [INFO] [stdout] --> src/msg_process/mod.rs:190:4 [INFO] [stdout] | [INFO] [stdout] 190 | fn process_request_vote_response( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `heartbeat_msg` is never used [INFO] [stdout] --> src/msg_process/mod.rs:206:8 [INFO] [stdout] | [INFO] [stdout] 206 | pub fn heartbeat_msg(state: &Leader) -> AppendEntriesReq { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `process_msg` is never used [INFO] [stdout] --> src/msg_process/process_append_entries.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | pub fn process_msg(mut state: State, mut message: AppendEntriesReq) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `reply_false` is never used [INFO] [stdout] --> src/msg_process/process_append_entries.rs:133:4 [INFO] [stdout] | [INFO] [stdout] 133 | fn reply_false(curr_term: RaftTerm, appended: usize, sender: NodeId) -> RaftRpcResp { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `reply_true` is never used [INFO] [stdout] --> src/msg_process/process_append_entries.rs:137:4 [INFO] [stdout] | [INFO] [stdout] 137 | fn reply_true(curr_term: RaftTerm, appended: usize, sender: NodeId) -> RaftRpcResp { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `process_msg` is never used [INFO] [stdout] --> src/msg_process/process_request_vote.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn process_msg(mut state: State, mut message: RequestVoteReq) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `reply_false` is never used [INFO] [stdout] --> src/msg_process/process_request_vote.rs:59:4 [INFO] [stdout] | [INFO] [stdout] 59 | fn reply_false(curr_term: RaftTerm, sender: NodeId) -> RaftRpcResp { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `reply_true` is never used [INFO] [stdout] --> src/msg_process/process_request_vote.rs:63:4 [INFO] [stdout] | [INFO] [stdout] 63 | fn reply_true(curr_term: RaftTerm, sender: NodeId) -> RaftRpcResp { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `is_log_up_to_date` is never used [INFO] [stdout] --> src/msg_process/process_request_vote.rs:68:4 [INFO] [stdout] | [INFO] [stdout] 68 | fn is_log_up_to_date(state: &Follower, req: &RequestVoteReq) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `process_msg` is never used [INFO] [stdout] --> src/msg_process/process_timer_events.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn process_msg(mut state: State, message: TimerMessage) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `process_heartbeat_trigger` is never used [INFO] [stdout] --> src/msg_process/process_timer_events.rs:31:8 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn process_heartbeat_trigger(state: &Leader) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `FollowerOrCandidate` is never used [INFO] [stdout] --> src/msg_process/process_timer_events.rs:74:6 [INFO] [stdout] | [INFO] [stdout] 74 | enum FollowerOrCandidate { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `process_election_trigger` is never used [INFO] [stdout] --> src/msg_process/process_timer_events.rs:79:4 [INFO] [stdout] | [INFO] [stdout] 79 | fn process_election_trigger(state: FollowerOrCandidate) -> (State, Vec>) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `follower_elect` is never used [INFO] [stdout] --> src/msg_process/process_timer_events.rs:89:4 [INFO] [stdout] | [INFO] [stdout] 89 | fn follower_elect(state: Follower) -> (State, Vec>) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `start_election` is never used [INFO] [stdout] --> src/msg_process/process_timer_events.rs:97:4 [INFO] [stdout] | [INFO] [stdout] 97 | fn start_election(mut state: Candidate) -> (State, Vec>) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Message` is never used [INFO] [stdout] --> src/message.rs:4:10 [INFO] [stdout] | [INFO] [stdout] 4 | pub enum Message { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Message` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `InputMessage` is never used [INFO] [stdout] --> src/message.rs:10:10 [INFO] [stdout] | [INFO] [stdout] 10 | pub enum InputMessage { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `InputMessage` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `OutputMessage` is never used [INFO] [stdout] --> src/message.rs:19:10 [INFO] [stdout] | [INFO] [stdout] 19 | pub enum OutputMessage { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `OutputMessage` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ClientMessageReq` is never constructed [INFO] [stdout] --> src/message.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 26 | pub struct ClientMessageReq{ [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ClientMessageReq` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ClientMessageResp` is never constructed [INFO] [stdout] --> src/message.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 33 | pub struct ClientMessageResp{ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ClientMessageResp` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `TimerMessage` is never used [INFO] [stdout] --> src/message.rs:40:10 [INFO] [stdout] | [INFO] [stdout] 40 | pub enum TimerMessage { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TimerMessage` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `RaftRpcReq` is never used [INFO] [stdout] --> src/message.rs:46:10 [INFO] [stdout] | [INFO] [stdout] 46 | pub enum RaftRpcReq { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `RaftRpcReq` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `RaftRpcResp` is never used [INFO] [stdout] --> src/message.rs:52:10 [INFO] [stdout] | [INFO] [stdout] 52 | pub enum RaftRpcResp { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `RaftRpcResp` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `AppendEntriesResp` is never constructed [INFO] [stdout] --> src/message.rs:58:12 [INFO] [stdout] | [INFO] [stdout] 58 | pub struct AppendEntriesResp { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `AppendEntriesResp` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ReqVoteResp` is never constructed [INFO] [stdout] --> src/message.rs:66:12 [INFO] [stdout] | [INFO] [stdout] 66 | pub struct ReqVoteResp { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ReqVoteResp` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `AppendEntriesReq` is never constructed [INFO] [stdout] --> src/message.rs:73:12 [INFO] [stdout] | [INFO] [stdout] 73 | pub struct AppendEntriesReq { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `AppendEntriesReq` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `RequestVoteReq` is never constructed [INFO] [stdout] --> src/message.rs:85:12 [INFO] [stdout] | [INFO] [stdout] 85 | pub struct RequestVoteReq { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `RequestVoteReq` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: bounds on generic parameters in type aliases are not enforced [INFO] [stdout] --> src/state.rs:37:26 [INFO] [stdout] | [INFO] [stdout] 37 | pub type RaftLog = Vec>; [INFO] [stdout] | ^^^^^ will not be checked at usage sites of the type alias [INFO] [stdout] | [INFO] [stdout] = note: this is a known limitation of the type checker that may be lifted in a future edition. [INFO] [stdout] see issue #112792 for more information [INFO] [stdout] = help: add `#![feature(lazy_type_alias)]` to the crate attributes to enable the desired semantics [INFO] [stdout] = note: `#[warn(type_alias_bounds)]` on by default [INFO] [stdout] help: remove this bound [INFO] [stdout] | [INFO] [stdout] 37 - pub type RaftLog = Vec>; [INFO] [stdout] 37 + pub type RaftLog = Vec>; [INFO] [stdout] | [INFO] [stdout] help: fully qualify this associated type [INFO] [stdout] | [INFO] [stdout] 37 | pub type RaftLog = Vec::TCmd>>; [INFO] [stdout] | + +++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused arithmetic operation that must be used [INFO] [stdout] --> src/msg_process/mod.rs:122:46 [INFO] [stdout] | [INFO] [stdout] 122 | .and_modify(|&mut old_idx| { old_idx + resp.appended_entries_count; }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the arithmetic operation produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 122 | .and_modify(|&mut old_idx| { let _ = old_idx + resp.appended_entries_count; }); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused arithmetic operation that must be used [INFO] [stdout] --> src/msg_process/mod.rs:125:46 [INFO] [stdout] | [INFO] [stdout] 125 | .and_modify(|&mut old_idx| { old_idx + resp.appended_entries_count; }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the arithmetic operation produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 125 | .and_modify(|&mut old_idx| { let _ = old_idx + resp.appended_entries_count; }); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused arithmetic operation that must be used [INFO] [stdout] --> src/msg_process/mod.rs:166:46 [INFO] [stdout] | [INFO] [stdout] 166 | .and_modify(|&mut old_idx| { old_idx - 1; }); [INFO] [stdout] | ^^^^^^^^^^^ the arithmetic operation produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 166 | .and_modify(|&mut old_idx| { let _ = old_idx - 1; }); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling ngamahi-raft v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Debug` and `Formatter` [INFO] [stdout] --> src/lib.rs:3:16 [INFO] [stdout] | [INFO] [stdout] 3 | use std::fmt::{Debug, Formatter}; [INFO] [stdout] | ^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `RaftTerm` [INFO] [stdout] --> src/msg_process/mod.rs:2:57 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::state::{Candidate, Leader, LogEntry, NodeId, RaftTerm, State, StateMachine, Types}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cmp::Ordering` [INFO] [stdout] --> src/msg_process/process_append_entries.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::cmp::Ordering; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt::format` [INFO] [stdout] --> src/msg_process/process_append_entries.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::fmt::format; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Candidate` and `Leader` [INFO] [stdout] --> src/msg_process/process_append_entries.rs:7:20 [INFO] [stdout] | [INFO] [stdout] 7 | use crate::state::{Leader, Follower, Candidate}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `RaftLog` [INFO] [stdout] --> src/msg_process/process_request_vote.rs:2:38 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::state::{Follower, NodeId, RaftLog, RaftTerm, State, Types}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::message::OutputMessage::RaftResp` [INFO] [stdout] --> src/msg_process/process_timer_events.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::message::OutputMessage::RaftResp; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::message::RaftRpcResp::RequestVote` [INFO] [stdout] --> src/msg_process/process_timer_events.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::message::RaftRpcResp::RequestVote; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `LogEntry` and `NodeId` [INFO] [stdout] --> src/msg_process/process_timer_events.rs:4:49 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::state::{Candidate, Follower, Leader, LogEntry, NodeId, State, Types}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `StateMachine` [INFO] [stdout] --> src/msg_process/mod.rs:2:74 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::state::{Candidate, Leader, LogEntry, NodeId, RaftTerm, State, StateMachine, Types}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/state.rs:133:16 [INFO] [stdout] | [INFO] [stdout] 133 | pub fn new(mut params: InitParams) -> Self { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node_id` [INFO] [stdout] --> src/state.rs:141:12 [INFO] [stdout] | [INFO] [stdout] 141 | fn new(node_id: NodeId, persisted_state: PersistentCommonState) -> Self { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `entries` [INFO] [stdout] --> src/state.rs:173:34 [INFO] [stdout] | [INFO] [stdout] 173 | pub fn add_to_log(&mut self, entries: &[LogEntry]) { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_entries` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/msg_process/process_append_entries.rs:9:35 [INFO] [stdout] | [INFO] [stdout] 9 | pub fn process_msg(mut state: State, mut message: AppendEntriesReq) [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/msg_process/process_request_vote.rs:4:35 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn process_msg(mut state: State, mut message: RequestVoteReq) [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/msg_process/process_request_vote.rs:4:61 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn process_msg(mut state: State, mut message: RequestVoteReq) [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/msg_process/process_timer_events.rs:6:35 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn process_msg(mut state: State, message: TimerMessage) [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/msg_process/process_timer_events.rs:91:9 [INFO] [stdout] | [INFO] [stdout] 91 | let mut state = state.into_candidate(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `addressee` [INFO] [stdout] --> src/msg_process/mod.rs:14:45 [INFO] [stdout] | [INFO] [stdout] 14 | RaftRpcReq::AppendEntries { addressee, req } => { [INFO] [stdout] | ^^^^^^^^^ help: try ignoring the field: `addressee: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/msg_process/mod.rs:77:69 [INFO] [stdout] | [INFO] [stdout] 77 | fn process_client_request(mut state: Leader, mut req: ClientMessageReq) [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `id` [INFO] [stdout] --> src/msg_process/mod.rs:140:33 [INFO] [stdout] | [INFO] [stdout] 140 | .map(|(&id, &idx)| idx) [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/msg_process/mod.rs:174:5 [INFO] [stdout] | [INFO] [stdout] 174 | mut state: State, [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:73:33 [INFO] [stdout] | [INFO] [stdout] 73 | fn params(node: NodeId, mut others: Vec) -> InitParams { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node2` [INFO] [stdout] --> src/lib.rs:90:29 [INFO] [stdout] | [INFO] [stdout] 90 | let (mut node1, mut node2, mut node3) = test_nodes(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_node2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node3` [INFO] [stdout] --> src/lib.rs:90:40 [INFO] [stdout] | [INFO] [stdout] 90 | let (mut node1, mut node2, mut node3) = test_nodes(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_node3` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:90:25 [INFO] [stdout] | [INFO] [stdout] 90 | let (mut node1, mut node2, mut node3) = test_nodes(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:90:36 [INFO] [stdout] | [INFO] [stdout] 90 | let (mut node1, mut node2, mut node3) = test_nodes(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node3_response_in` [INFO] [stdout] --> src/lib.rs:172:14 [INFO] [stdout] | [INFO] [stdout] 172 | let (node3_response_in, node2_response_in) : (In, In) = [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node3_response_in` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `leader` [INFO] [stdout] --> src/lib.rs:187:27 [INFO] [stdout] | [INFO] [stdout] 187 | State::Leader(leader) => (), [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_leader` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `add_to_log` is never used [INFO] [stdout] --> src/state.rs:173:12 [INFO] [stdout] | [INFO] [stdout] 140 | impl State { [INFO] [stdout] | --------------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 173 | pub fn add_to_log(&mut self, entries: &[LogEntry]) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Message` is never used [INFO] [stdout] --> src/message.rs:4:10 [INFO] [stdout] | [INFO] [stdout] 4 | pub enum Message { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Message` 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 `0` is never read [INFO] [stdout] --> src/message.rs:22:15 [INFO] [stdout] | [INFO] [stdout] 22 | ClientMsg(ClientMessageResp), [INFO] [stdout] | --------- ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `OutputMessage` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 22 | ClientMsg(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `success`, `leader_address`, and `unique_request_id` are never read [INFO] [stdout] --> src/message.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 33 | pub struct ClientMessageResp{ [INFO] [stdout] | ----------------- fields in this struct [INFO] [stdout] 34 | pub success: bool, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 35 | pub leader_address: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 36 | pub unique_request_id: u128, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ClientMessageResp` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `TriggerHeartbeat` is never constructed [INFO] [stdout] --> src/message.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 40 | pub enum TimerMessage { [INFO] [stdout] | ------------ variant in this enum [INFO] [stdout] 41 | TriggerHeartbeat, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TimerMessage` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: bounds on generic parameters in type aliases are not enforced [INFO] [stdout] --> src/state.rs:37:26 [INFO] [stdout] | [INFO] [stdout] 37 | pub type RaftLog = Vec>; [INFO] [stdout] | ^^^^^ will not be checked at usage sites of the type alias [INFO] [stdout] | [INFO] [stdout] = note: this is a known limitation of the type checker that may be lifted in a future edition. [INFO] [stdout] see issue #112792 for more information [INFO] [stdout] = help: add `#![feature(lazy_type_alias)]` to the crate attributes to enable the desired semantics [INFO] [stdout] = note: `#[warn(type_alias_bounds)]` on by default [INFO] [stdout] help: remove this bound [INFO] [stdout] | [INFO] [stdout] 37 - pub type RaftLog = Vec>; [INFO] [stdout] 37 + pub type RaftLog = Vec>; [INFO] [stdout] | [INFO] [stdout] help: fully qualify this associated type [INFO] [stdout] | [INFO] [stdout] 37 | pub type RaftLog = Vec::TCmd>>; [INFO] [stdout] | + +++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused arithmetic operation that must be used [INFO] [stdout] --> src/msg_process/mod.rs:122:46 [INFO] [stdout] | [INFO] [stdout] 122 | .and_modify(|&mut old_idx| { old_idx + resp.appended_entries_count; }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the arithmetic operation produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 122 | .and_modify(|&mut old_idx| { let _ = old_idx + resp.appended_entries_count; }); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused arithmetic operation that must be used [INFO] [stdout] --> src/msg_process/mod.rs:125:46 [INFO] [stdout] | [INFO] [stdout] 125 | .and_modify(|&mut old_idx| { old_idx + resp.appended_entries_count; }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the arithmetic operation produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 125 | .and_modify(|&mut old_idx| { let _ = old_idx + resp.appended_entries_count; }); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused arithmetic operation that must be used [INFO] [stdout] --> src/msg_process/mod.rs:166:46 [INFO] [stdout] | [INFO] [stdout] 166 | .and_modify(|&mut old_idx| { old_idx - 1; }); [INFO] [stdout] | ^^^^^^^^^^^ the arithmetic operation produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 166 | .and_modify(|&mut old_idx| { let _ = old_idx - 1; }); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s [INFO] running `Command { std: "docker" "inspect" "a9903ed6700e40c408f30fa24cd27994c315ed733a6315294733272c934d9582", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a9903ed6700e40c408f30fa24cd27994c315ed733a6315294733272c934d9582", kill_on_drop: false }` [INFO] [stdout] a9903ed6700e40c408f30fa24cd27994c315ed733a6315294733272c934d9582