[INFO] cloning repository https://github.com/SAdams601/rust-maelstrom [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SAdams601/rust-maelstrom" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSAdams601%2Frust-maelstrom", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSAdams601%2Frust-maelstrom'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 78e961986b990d5ec373677c791f08ce1f8b8295 [INFO] testing SAdams601/rust-maelstrom against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSAdams601%2Frust-maelstrom" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/SAdams601/rust-maelstrom on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/SAdams601/rust-maelstrom [INFO] finished tweaking git repo https://github.com/SAdams601/rust-maelstrom [INFO] tweaked toml for git repo https://github.com/SAdams601/rust-maelstrom written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/SAdams601/rust-maelstrom already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e66f7f62ea9a671d1d5664c1938a147f851594dedaf7306ee8538afdfb557268 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "e66f7f62ea9a671d1d5664c1938a147f851594dedaf7306ee8538afdfb557268", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e66f7f62ea9a671d1d5664c1938a147f851594dedaf7306ee8538afdfb557268", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e66f7f62ea9a671d1d5664c1938a147f851594dedaf7306ee8538afdfb557268", kill_on_drop: false }` [INFO] [stdout] e66f7f62ea9a671d1d5664c1938a147f851594dedaf7306ee8538afdfb557268 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 7e0a2e5c50fc0e28a4750fe1bde4f6b50d50932f95bb397fc675c2402e637f7e [INFO] running `Command { std: "docker" "start" "-a" "7e0a2e5c50fc0e28a4750fe1bde4f6b50d50932f95bb397fc675c2402e637f7e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Compiling json v0.12.4 [INFO] [stderr] Compiling shared_lib v0.1.0 (/opt/rustwide/workdir/shared_lib) [INFO] [stdout] warning: unused import: `json::JsonValue` [INFO] [stdout] --> shared_lib/src/read_respond.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use json::JsonValue; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `stderr` [INFO] [stdout] --> shared_lib/src/read_respond.rs:3:31 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io::{Write, BufRead, stderr}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `RecvTimeoutError`, `TryRecvError` [INFO] [stdout] --> shared_lib/src/rpc.rs:4:37 [INFO] [stdout] | [INFO] [stdout] 4 | use std::sync::mpsc::{sync_channel, TryRecvError, Receiver, RecvTimeoutError}; [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::Borrow` [INFO] [stdout] --> shared_lib/src/rpc.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::borrow::Borrow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread::JoinHandle` [INFO] [stdout] --> shared_lib/src/rpc.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::thread::JoinHandle; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: irrefutable `while let` pattern [INFO] [stdout] --> shared_lib/src/rpc.rs:37:11 [INFO] [stdout] | [INFO] [stdout] 37 | while let rpc_response = send_rpc(state, request_body, "lin-kv").unwrap() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stdout] = note: this pattern will always match, so the loop will never exit [INFO] [stdout] = help: consider instead using a `loop { ... }` with a `let` inside it [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> shared_lib/src/rpc.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 29 | Err(err) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> shared_lib/src/read_respond.rs:17:17 [INFO] [stdout] | [INFO] [stdout] 17 | io::stderr().write(format!("Received {}\n", line).as_ref()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> shared_lib/src/read_respond.rs:23:33 [INFO] [stdout] | [INFO] [stdout] 23 | ... sender.send(parsed); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> shared_lib/src/message_handler.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | curr_state.get_channel().send(stringify(response)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> shared_lib/src/message_handler.rs:38:13 [INFO] [stdout] | [INFO] [stdout] 38 | curr_state.get_channel().send(stringify(response)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> shared_lib/src/rpc.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | state.get_channel().send(stringify(request)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> shared_lib/src/rpc.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | state.get_channel().send(stringify(request.clone())); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> shared_lib/src/rpc.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 56 | state.get_channel().send(stringify(request)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> shared_lib/src/stdio.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | stdout.write_all(msg.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> shared_lib/src/stdio.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | stdout.write_all("\n".as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> shared_lib/src/stdio.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | stdout.flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> shared_lib/src/stdio.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | stderr().write(msg.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> shared_lib/src/stdio.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | stderr().write(b"\n"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> shared_lib/src/stdio.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | stderr().flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 20 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling rand_core v0.6.2 [INFO] [stderr] Compiling rand_chacha v0.3.0 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling raft v0.1.0 (/opt/rustwide/workdir/raft) [INFO] [stderr] Compiling maelstrom v0.1.0 (/opt/rustwide/workdir/maelstrom) [INFO] [stdout] warning: unused import: `node_state::NodeState` [INFO] [stdout] --> raft/src/message_handlers/init_handler.rs:2:74 [INFO] [stdout] | [INFO] [stdout] 2 | use shared_lib::{error::MaelstromError, message_handler::MessageHandler, node_state::NodeState, message_utils::get_body}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `temporarily_unavailable` [INFO] [stdout] --> raft/src/message_handlers/read_handler.rs:4:56 [INFO] [stdout] | [INFO] [stdout] 4 | use shared_lib::error::{MaelstromError, DefiniteError, temporarily_unavailable}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `get_in_response_to` [INFO] [stdout] --> raft/src/message_handlers/read_handler.rs:5:43 [INFO] [stdout] | [INFO] [stdout] 5 | use shared_lib::message_utils::{get_body, get_in_response_to}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `temporarily_unavailable` [INFO] [stdout] --> raft/src/message_handlers/cas_handler.rs:4:56 [INFO] [stdout] | [INFO] [stdout] 4 | use shared_lib::error::{MaelstromError, DefiniteError, temporarily_unavailable}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `get_in_response_to` [INFO] [stdout] --> raft/src/message_handlers/cas_handler.rs:5:43 [INFO] [stdout] | [INFO] [stdout] 5 | use shared_lib::message_utils::{get_body, get_in_response_to}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `object` [INFO] [stdout] --> raft/src/message_handlers/write_handler.rs:3:24 [INFO] [stdout] | [INFO] [stdout] 3 | use json::{ JsonValue, object }; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `temporarily_unavailable` [INFO] [stdout] --> raft/src/message_handlers/write_handler.rs:4:41 [INFO] [stdout] | [INFO] [stdout] 4 | use shared_lib::error::{MaelstromError, temporarily_unavailable}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `get_in_response_to` [INFO] [stdout] --> raft/src/message_handlers/write_handler.rs:5:43 [INFO] [stdout] | [INFO] [stdout] 5 | use shared_lib::message_utils::{get_body, get_in_response_to}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `SyncSender`, `sync_channel` [INFO] [stdout] --> raft/src/message_handlers/request_vote_handler.rs:8:23 [INFO] [stdout] | [INFO] [stdout] 8 | use std::sync::mpsc::{SyncSender, sync_channel}; [INFO] [stdout] | ^^^^^^^^^^ ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `DefiniteError` [INFO] [stdout] --> raft/src/message_handlers/append_entries_handler.rs:4:41 [INFO] [stdout] | [INFO] [stdout] 4 | use shared_lib::error::{MaelstromError, DefiniteError, abort}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `election_loop` [INFO] [stdout] --> raft/src/message_handlers/append_entries_handler.rs:5:44 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::election_state::{ElectionState, election_loop}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `get_in_response_to` [INFO] [stdout] --> raft/src/message_handlers/append_entries_handler.rs:7:43 [INFO] [stdout] | [INFO] [stdout] 7 | use shared_lib::message_utils::{get_body, get_in_response_to}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Entry` [INFO] [stdout] --> raft/src/message_handlers/append_entries_handler.rs:8:18 [INFO] [stdout] | [INFO] [stdout] 8 | use crate::log::{Entry, parse_entries}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `DefiniteError` [INFO] [stdout] --> raft/src/message_handlers/proxy_to_leader.rs:1:25 [INFO] [stdout] | [INFO] [stdout] 1 | use shared_lib::error::{DefiniteError, temporarily_unavailable, MaelstromError}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::election_state::State::LEADER` [INFO] [stdout] --> raft/src/message_handlers/proxy_to_leader.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use crate::election_state::State::LEADER; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `RwLockReadGuard` [INFO] [stdout] --> raft/src/raft_node_state.rs:3:32 [INFO] [stdout] | [INFO] [stdout] 3 | use std::sync::{Mutex, RwLock, RwLockReadGuard}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `stderr` [INFO] [stdout] --> raft/src/raft_node_state.rs:7:15 [INFO] [stdout] | [INFO] [stdout] 7 | use std::io::{stderr, Write}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::election_state::ElectionState` [INFO] [stdout] --> raft/src/raft_node_state.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use crate::election_state::ElectionState; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> raft/src/raft_node_state.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `shared_lib::stdio::write_log` [INFO] [stdout] --> raft/src/raft_node_state.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use shared_lib::stdio::write_log; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread::Thread` [INFO] [stdout] --> raft/src/election_state.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::thread::Thread; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `LockResult`, `PoisonError`, `RwLockReadGuard` [INFO] [stdout] --> raft/src/election_state.rs:4:30 [INFO] [stdout] | [INFO] [stdout] 4 | use std::sync::{RwLock, Arc, LockResult, RwLockReadGuard, PoisonError}; [INFO] [stdout] | ^^^^^^^^^^ ^^^^^^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `random`, `thread_rng` [INFO] [stdout] --> raft/src/election_state.rs:5:17 [INFO] [stdout] | [INFO] [stdout] 5 | use rand::{Rng, thread_rng, random, RngCore}; [INFO] [stdout] | ^^^^^^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Deref` [INFO] [stdout] --> raft/src/election_state.rs:7:16 [INFO] [stdout] | [INFO] [stdout] 7 | use std::ops::{Deref}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `node_state::NodeState` [INFO] [stdout] --> raft/src/election_state.rs:10:18 [INFO] [stdout] | [INFO] [stdout] 10 | use shared_lib::{node_state::NodeState, rpc::{broadcast_rpc, send_rpc}}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::Borrow` [INFO] [stdout] --> raft/src/election_state.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::borrow::Borrow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `lazy_static::lazy_static` [INFO] [stdout] --> raft/src/election_state.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use lazy_static::lazy_static; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `SyncSender`, `TryIter`, `channel`, `sync_channel` [INFO] [stdout] --> raft/src/election_state.rs:15:23 [INFO] [stdout] | [INFO] [stdout] 15 | use std::sync::mpsc::{sync_channel, SyncSender, TryIter, TryRecvError, Receiver, channel}; [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^^^^ ^^^^^^^ ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `shared_lib::error::MaelstromError` [INFO] [stdout] --> raft/src/election_state.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | use shared_lib::error::MaelstromError; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BufRead`, `Write`, `stderr`, `stdout` [INFO] [stdout] --> raft/src/main.rs:9:15 [INFO] [stdout] | [INFO] [stdout] 9 | use std::io::{stderr, stdout, BufRead, Write}; [INFO] [stdout] | ^^^^^^ ^^^^^^ ^^^^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::mpsc::SyncSender` [INFO] [stdout] --> raft/src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::sync::mpsc::SyncSender; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `io` [INFO] [stdout] --> raft/src/main.rs:11:11 [INFO] [stdout] | [INFO] [stdout] 11 | use std::{io, thread}; [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `io::prelude::*` [INFO] [stdout] --> raft/src/main.rs:14:33 [INFO] [stdout] | [INFO] [stdout] 14 | use std::{collections::HashMap, io::prelude::*, sync::mpsc::sync_channel}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `shared_lib::message_utils::get_message_type` [INFO] [stdout] --> raft/src/main.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use shared_lib::message_utils::get_message_type; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `json::JsonValue` [INFO] [stdout] --> raft/src/main.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | use json::JsonValue; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> raft/src/main.rs:45:62 [INFO] [stdout] | [INFO] [stdout] 45 | static ref ELECTION_STATE: Arc> = {election_state::start(&*NODE_STATE)}; [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_braces)]` on by default [INFO] [stdout] help: remove these braces [INFO] [stdout] | [INFO] [stdout] 45 - static ref ELECTION_STATE: Arc> = {election_state::start(&*NODE_STATE)}; [INFO] [stdout] 45 + static ref ELECTION_STATE: Arc> = election_state::start(&*NODE_STATE); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `JsonValue` [INFO] [stdout] --> maelstrom/src/main.rs:1:18 [INFO] [stdout] | [INFO] [stdout] 1 | use json::{self, JsonValue}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `io::prelude::*` [INFO] [stdout] --> maelstrom/src/main.rs:11:33 [INFO] [stdout] | [INFO] [stdout] 11 | use std::{collections::HashMap, io::prelude::*, sync::mpsc::sync_channel}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `self`, `sync::mpsc::Receiver` [INFO] [stdout] --> maelstrom/src/main.rs:13:10 [INFO] [stdout] | [INFO] [stdout] 13 | io::{self}, [INFO] [stdout] | ^^^^ [INFO] [stdout] 14 | sync::mpsc::Receiver, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Write`, `stderr` [INFO] [stdout] --> maelstrom/src/main.rs:17:10 [INFO] [stdout] | [INFO] [stdout] 17 | io::{stderr, Write}, [INFO] [stdout] | ^^^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `message_utils::get_message_type` [INFO] [stdout] --> maelstrom/src/main.rs:20:72 [INFO] [stdout] | [INFO] [stdout] 20 | use shared_lib::{ stdio::while_reply, message_handler::MessageHandler, message_utils::get_message_type}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `mpsc::sync_channel`, `thread`, `time::Duration` [INFO] [stdout] --> maelstrom/src/lin_kv_service.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | sync::{mpsc::sync_channel, Mutex}, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 5 | thread, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 6 | time::Duration, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `stringify` [INFO] [stdout] --> maelstrom/src/lin_kv_service.rs:9:31 [INFO] [stdout] | [INFO] [stdout] 9 | use json::{JsonValue, object, stringify}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `shared_lib::node_state::NodeState` [INFO] [stdout] --> maelstrom/src/lin_kv_service.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use shared_lib::node_state::NodeState; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Borrow` [INFO] [stdout] --> maelstrom/src/lin_kv_service.rs:14:19 [INFO] [stdout] | [INFO] [stdout] 14 | use std::borrow::{Borrow, BorrowMut}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `node_state::NodeState` [INFO] [stdout] --> maelstrom/src/message_handlers/topology_handler.rs:2:74 [INFO] [stdout] | [INFO] [stdout] 2 | use shared_lib::{error::MaelstromError, message_handler::MessageHandler, node_state::NodeState}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `borrow::BorrowMut` [INFO] [stdout] --> maelstrom/src/message_handlers/txn_handler.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | borrow::BorrowMut, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::prelude::ThreadRng` [INFO] [stdout] --> maelstrom/src/message_handlers/txn_handler.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use rand::prelude::ThreadRng; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Mutex`, `cell::RefCell`, `collections::HashMap` [INFO] [stdout] --> maelstrom/src/states/maelstrom_node_state.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | cell::RefCell, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 6 | collections::HashMap, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 7 | sync::{mpsc::SyncSender, Mutex, RwLock}, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::RwLockWriteGuard` [INFO] [stdout] --> maelstrom/src/states/maelstrom_node_state.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::sync::RwLockWriteGuard; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Write`, `stderr` [INFO] [stdout] --> maelstrom/src/states/serializable_map.rs:3:10 [INFO] [stdout] | [INFO] [stdout] 3 | io::{stderr, Write}, [INFO] [stdout] | ^^^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `stringify` [INFO] [stdout] --> maelstrom/src/states/serializable_map.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | use json::{stringify, JsonValue}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `stderr` [INFO] [stdout] --> maelstrom/src/states/thunk.rs:2:10 [INFO] [stdout] | [INFO] [stdout] 2 | io::{stderr, Write}, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `json::JsonValue` [INFO] [stdout] --> maelstrom/src/states/thunk.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use json::JsonValue; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> maelstrom/src/states/thunk.rs:2:18 [INFO] [stdout] | [INFO] [stdout] 2 | io::{stderr, Write}, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> raft/src/raft_node_state.rs:7:23 [INFO] [stdout] | [INFO] [stdout] 7 | use std::io::{stderr, Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `message` [INFO] [stdout] --> raft/src/message_handlers/read_handler.rs:26:34 [INFO] [stdout] | [INFO] [stdout] 26 | fn make_response_body(&self, message: &JsonValue, curr_state: &RaftState) -> Result { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `curr_state` [INFO] [stdout] --> raft/src/message_handlers/read_handler.rs:26:55 [INFO] [stdout] | [INFO] [stdout] 26 | fn make_response_body(&self, message: &JsonValue, curr_state: &RaftState) -> Result { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_curr_state` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `message` [INFO] [stdout] --> raft/src/message_handlers/cas_handler.rs:28:34 [INFO] [stdout] | [INFO] [stdout] 28 | fn make_response_body(&self, message: &JsonValue, curr_state: &RaftState) -> Result { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `curr_state` [INFO] [stdout] --> raft/src/message_handlers/cas_handler.rs:28:55 [INFO] [stdout] | [INFO] [stdout] 28 | fn make_response_body(&self, message: &JsonValue, curr_state: &RaftState) -> Result { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_curr_state` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `message` [INFO] [stdout] --> raft/src/message_handlers/write_handler.rs:26:34 [INFO] [stdout] | [INFO] [stdout] 26 | fn make_response_body(&self, message: &JsonValue, curr_state: &RaftState) -> Result { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `curr_state` [INFO] [stdout] --> raft/src/message_handlers/write_handler.rs:26:55 [INFO] [stdout] | [INFO] [stdout] 26 | fn make_response_body(&self, message: &JsonValue, curr_state: &RaftState) -> Result { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_curr_state` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> raft/src/raft_node_state.rs:68:31 [INFO] [stdout] | [INFO] [stdout] 68 | log_loc.as_mut().map(|mut log| { [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: variable does not need to be mutable [INFO] [stdout] --> raft/src/raft_node_state.rs:75:49 [INFO] [stdout] | [INFO] [stdout] 75 | self.log.write().unwrap().as_mut().map(|mut log| log.append(entries)); [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] --> raft/src/raft_node_state.rs:80:49 [INFO] [stdout] | [INFO] [stdout] 80 | self.log.write().unwrap().as_mut().map(|mut log| log.truncate(len)); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `to_json` [INFO] [stdout] --> maelstrom/src/counters/g_counter.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn to_json(&self) -> JsonValue { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `to_json` [INFO] [stdout] --> maelstrom/src/counters/pn_counter.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn to_json(&self) -> JsonValue { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `init` [INFO] [stdout] --> maelstrom/src/states/id_gen.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | pub fn init(node_id: String) -> IdGenerator { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `counters_state` [INFO] [stdout] --> maelstrom/src/states/maelstrom_node_state.rs:46:12 [INFO] [stdout] | [INFO] [stdout] 46 | pub fn counters_state(&self) -> JsonValue { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> maelstrom/src/states/maelstrom_node_state.rs:34:20 [INFO] [stdout] | [INFO] [stdout] 34 | panic!(format!( [INFO] [stdout] | ____________________^ [INFO] [stdout] 35 | | "Tried to get id generator but it has not been inialized. Id is: {}", [INFO] [stdout] 36 | | self.node_id() [INFO] [stdout] 37 | | )); [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the panic!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 34 ~ panic!( [INFO] [stdout] 35 | "Tried to get id generator but it has not been inialized. Id is: {}", [INFO] [stdout] 36 | self.node_id() [INFO] [stdout] 37 ~ ); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> maelstrom/src/lin_kv_service.rs:48:9 [INFO] [stdout] | [INFO] [stdout] 48 | thunk.save(self); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> maelstrom/src/lin_kv_service.rs:60:13 [INFO] [stdout] | [INFO] [stdout] 60 | / stderr() [INFO] [stdout] 61 | | .write_all(format!("Cas failed to update root at {}\n", original_id).as_bytes()); [INFO] [stdout] | |_________________________________________________________________________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> maelstrom/src/lin_kv_service.rs:71:13 [INFO] [stdout] | [INFO] [stdout] 71 | / stderr().write_all( [INFO] [stdout] 72 | | format!( [INFO] [stdout] 73 | | "Reading {}, from cache {:?}\n", [INFO] [stdout] 74 | | thunk.id.clone(), [INFO] [stdout] ... | [INFO] [stdout] 77 | | .as_bytes(), [INFO] [stdout] 78 | | ); [INFO] [stdout] | |______________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> maelstrom/src/message_handlers/txn_handler.rs:53:13 [INFO] [stdout] | [INFO] [stdout] 53 | arr.push(txn2); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> maelstrom/src/message_handlers/txn_handler.rs:113:13 [INFO] [stdout] | [INFO] [stdout] 113 | stderr().write_all(format!("Received unknown transaction {:?}\n", txn).as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> maelstrom/src/states/kv_thunk.rs:17:13 [INFO] [stdout] | [INFO] [stdout] 17 | arr.push(*i); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> maelstrom/src/states/serializable_map.rs:35:13 [INFO] [stdout] | [INFO] [stdout] 35 | jv.insert(&k.to_string(), thunk.id.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `replication_time` [INFO] [stdout] --> raft/src/election_state.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 36 | replication_time: RwLock, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `node` [INFO] [stdout] --> raft/src/log.rs:56:5 [INFO] [stdout] | [INFO] [stdout] 56 | node: String, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Log` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> raft/src/log.rs:54:10 [INFO] [stdout] | [INFO] [stdout] 54 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> raft/src/election_state.rs:95:13 [INFO] [stdout] | [INFO] [stdout] 95 | stderr().write(error_message.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> raft/src/election_state.rs:108:9 [INFO] [stdout] | [INFO] [stdout] 108 | self.advance_term(curr_term + 1); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> raft/src/election_state.rs:165:13 [INFO] [stdout] | [INFO] [stdout] 165 | self.advance_term(remote_term); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Option::::insert` that must be used [INFO] [stdout] --> raft/src/election_state.rs:174:9 [INFO] [stdout] | [INFO] [stdout] 174 | self.leader.write().unwrap().insert(leader_id); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you intended to set a value, consider assignment instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 31 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 52 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 14.85s [INFO] running `Command { std: "docker" "inspect" "7e0a2e5c50fc0e28a4750fe1bde4f6b50d50932f95bb397fc675c2402e637f7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7e0a2e5c50fc0e28a4750fe1bde4f6b50d50932f95bb397fc675c2402e637f7e", kill_on_drop: false }` [INFO] [stdout] 7e0a2e5c50fc0e28a4750fe1bde4f6b50d50932f95bb397fc675c2402e637f7e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5b40307b3e321df02c14aa4374095ae3b5ae29ada2e99e9f15abbb815155c0b5 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "5b40307b3e321df02c14aa4374095ae3b5ae29ada2e99e9f15abbb815155c0b5", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stdout] warning: unused import: `json::JsonValue` [INFO] [stdout] --> shared_lib/src/read_respond.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use json::JsonValue; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `stderr` [INFO] [stdout] --> shared_lib/src/read_respond.rs:3:31 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io::{Write, BufRead, stderr}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `RecvTimeoutError`, `TryRecvError` [INFO] [stdout] --> shared_lib/src/rpc.rs:4:37 [INFO] [stdout] | [INFO] [stdout] 4 | use std::sync::mpsc::{sync_channel, TryRecvError, Receiver, RecvTimeoutError}; [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::Borrow` [INFO] [stdout] --> shared_lib/src/rpc.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::borrow::Borrow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread::JoinHandle` [INFO] [stdout] --> shared_lib/src/rpc.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::thread::JoinHandle; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: irrefutable `while let` pattern [INFO] [stdout] --> shared_lib/src/rpc.rs:37:11 [INFO] [stdout] | [INFO] [stdout] 37 | while let rpc_response = send_rpc(state, request_body, "lin-kv").unwrap() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stdout] = note: this pattern will always match, so the loop will never exit [INFO] [stdout] = help: consider instead using a `loop { ... }` with a `let` inside it [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling shared_lib v0.1.0 (/opt/rustwide/workdir/shared_lib) [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> shared_lib/src/rpc.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 29 | Err(err) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> shared_lib/src/read_respond.rs:17:17 [INFO] [stdout] | [INFO] [stdout] 17 | io::stderr().write(format!("Received {}\n", line).as_ref()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> shared_lib/src/read_respond.rs:23:33 [INFO] [stdout] | [INFO] [stdout] 23 | ... sender.send(parsed); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> shared_lib/src/message_handler.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | curr_state.get_channel().send(stringify(response)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> shared_lib/src/message_handler.rs:38:13 [INFO] [stdout] | [INFO] [stdout] 38 | curr_state.get_channel().send(stringify(response)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> shared_lib/src/rpc.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | state.get_channel().send(stringify(request)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> shared_lib/src/rpc.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | state.get_channel().send(stringify(request.clone())); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> shared_lib/src/rpc.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 56 | state.get_channel().send(stringify(request)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> shared_lib/src/stdio.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | stdout.write_all(msg.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> shared_lib/src/stdio.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | stdout.write_all("\n".as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> shared_lib/src/stdio.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | stdout.flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> shared_lib/src/stdio.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | stderr().write(msg.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> shared_lib/src/stdio.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | stderr().write(b"\n"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> shared_lib/src/stdio.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | stderr().flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 20 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling maelstrom v0.1.0 (/opt/rustwide/workdir/maelstrom) [INFO] [stderr] Compiling raft v0.1.0 (/opt/rustwide/workdir/raft) [INFO] [stdout] warning: unused import: `json::JsonValue` [INFO] [stdout] --> shared_lib/src/read_respond.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use json::JsonValue; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `stderr` [INFO] [stdout] --> shared_lib/src/read_respond.rs:3:31 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io::{Write, BufRead, stderr}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `RecvTimeoutError`, `TryRecvError` [INFO] [stdout] --> shared_lib/src/rpc.rs:4:37 [INFO] [stdout] | [INFO] [stdout] 4 | use std::sync::mpsc::{sync_channel, TryRecvError, Receiver, RecvTimeoutError}; [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::Borrow` [INFO] [stdout] --> shared_lib/src/rpc.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::borrow::Borrow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread::JoinHandle` [INFO] [stdout] --> shared_lib/src/rpc.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::thread::JoinHandle; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `JsonValue` [INFO] [stdout] --> maelstrom/src/main.rs:1:18 [INFO] [stdout] | [INFO] [stdout] 1 | use json::{self, JsonValue}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `io::prelude::*` [INFO] [stdout] --> maelstrom/src/main.rs:11:33 [INFO] [stdout] | [INFO] [stdout] 11 | use std::{collections::HashMap, io::prelude::*, sync::mpsc::sync_channel}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `self`, `sync::mpsc::Receiver` [INFO] [stdout] --> maelstrom/src/main.rs:13:10 [INFO] [stdout] | [INFO] [stdout] 13 | io::{self}, [INFO] [stdout] | ^^^^ [INFO] [stdout] 14 | sync::mpsc::Receiver, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Write`, `stderr` [INFO] [stdout] --> maelstrom/src/main.rs:17:10 [INFO] [stdout] | [INFO] [stdout] 17 | io::{stderr, Write}, [INFO] [stdout] | ^^^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `message_utils::get_message_type` [INFO] [stdout] --> maelstrom/src/main.rs:20:72 [INFO] [stdout] | [INFO] [stdout] 20 | use shared_lib::{ stdio::while_reply, message_handler::MessageHandler, message_utils::get_message_type}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `mpsc::sync_channel`, `thread`, `time::Duration` [INFO] [stdout] --> maelstrom/src/lin_kv_service.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | sync::{mpsc::sync_channel, Mutex}, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 5 | thread, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 6 | time::Duration, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `stringify` [INFO] [stdout] --> maelstrom/src/lin_kv_service.rs:9:31 [INFO] [stdout] | [INFO] [stdout] 9 | use json::{JsonValue, object, stringify}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `shared_lib::node_state::NodeState` [INFO] [stdout] --> maelstrom/src/lin_kv_service.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use shared_lib::node_state::NodeState; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Borrow` [INFO] [stdout] --> maelstrom/src/lin_kv_service.rs:14:19 [INFO] [stdout] | [INFO] [stdout] 14 | use std::borrow::{Borrow, BorrowMut}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `node_state::NodeState` [INFO] [stdout] --> maelstrom/src/message_handlers/topology_handler.rs:2:74 [INFO] [stdout] | [INFO] [stdout] 2 | use shared_lib::{error::MaelstromError, message_handler::MessageHandler, node_state::NodeState}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `borrow::BorrowMut` [INFO] [stdout] --> maelstrom/src/message_handlers/txn_handler.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | borrow::BorrowMut, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::prelude::ThreadRng` [INFO] [stdout] --> maelstrom/src/message_handlers/txn_handler.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use rand::prelude::ThreadRng; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Mutex`, `cell::RefCell`, `collections::HashMap` [INFO] [stdout] --> maelstrom/src/states/maelstrom_node_state.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | cell::RefCell, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 6 | collections::HashMap, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 7 | sync::{mpsc::SyncSender, Mutex, RwLock}, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::RwLockWriteGuard` [INFO] [stdout] --> maelstrom/src/states/maelstrom_node_state.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::sync::RwLockWriteGuard; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Write`, `stderr` [INFO] [stdout] --> maelstrom/src/states/serializable_map.rs:3:10 [INFO] [stdout] | [INFO] [stdout] 3 | io::{stderr, Write}, [INFO] [stdout] | ^^^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `stringify` [INFO] [stdout] --> maelstrom/src/states/serializable_map.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | use json::{stringify, JsonValue}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `stderr` [INFO] [stdout] --> maelstrom/src/states/thunk.rs:2:10 [INFO] [stdout] | [INFO] [stdout] 2 | io::{stderr, Write}, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `json::JsonValue` [INFO] [stdout] --> maelstrom/src/states/thunk.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use json::JsonValue; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: irrefutable `while let` pattern [INFO] [stdout] --> shared_lib/src/rpc.rs:37:11 [INFO] [stdout] | [INFO] [stdout] 37 | while let rpc_response = send_rpc(state, request_body, "lin-kv").unwrap() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stdout] = note: this pattern will always match, so the loop will never exit [INFO] [stdout] = help: consider instead using a `loop { ... }` with a `let` inside it [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> shared_lib/src/rpc.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 29 | Err(err) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `node_state::NodeState` [INFO] [stdout] --> raft/src/message_handlers/init_handler.rs:2:74 [INFO] [stdout] | [INFO] [stdout] 2 | use shared_lib::{error::MaelstromError, message_handler::MessageHandler, node_state::NodeState, message_utils::get_body}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `temporarily_unavailable` [INFO] [stdout] --> raft/src/message_handlers/read_handler.rs:4:56 [INFO] [stdout] | [INFO] [stdout] 4 | use shared_lib::error::{MaelstromError, DefiniteError, temporarily_unavailable}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `get_in_response_to` [INFO] [stdout] --> raft/src/message_handlers/read_handler.rs:5:43 [INFO] [stdout] | [INFO] [stdout] 5 | use shared_lib::message_utils::{get_body, get_in_response_to}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `temporarily_unavailable` [INFO] [stdout] --> raft/src/message_handlers/cas_handler.rs:4:56 [INFO] [stdout] | [INFO] [stdout] 4 | use shared_lib::error::{MaelstromError, DefiniteError, temporarily_unavailable}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `get_in_response_to` [INFO] [stdout] --> raft/src/message_handlers/cas_handler.rs:5:43 [INFO] [stdout] | [INFO] [stdout] 5 | use shared_lib::message_utils::{get_body, get_in_response_to}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `object` [INFO] [stdout] --> raft/src/message_handlers/write_handler.rs:3:24 [INFO] [stdout] | [INFO] [stdout] 3 | use json::{ JsonValue, object }; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `temporarily_unavailable` [INFO] [stdout] --> raft/src/message_handlers/write_handler.rs:4:41 [INFO] [stdout] | [INFO] [stdout] 4 | use shared_lib::error::{MaelstromError, temporarily_unavailable}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `get_in_response_to` [INFO] [stdout] --> raft/src/message_handlers/write_handler.rs:5:43 [INFO] [stdout] | [INFO] [stdout] 5 | use shared_lib::message_utils::{get_body, get_in_response_to}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `SyncSender`, `sync_channel` [INFO] [stdout] --> raft/src/message_handlers/request_vote_handler.rs:8:23 [INFO] [stdout] | [INFO] [stdout] 8 | use std::sync::mpsc::{SyncSender, sync_channel}; [INFO] [stdout] | ^^^^^^^^^^ ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `DefiniteError` [INFO] [stdout] --> raft/src/message_handlers/append_entries_handler.rs:4:41 [INFO] [stdout] | [INFO] [stdout] 4 | use shared_lib::error::{MaelstromError, DefiniteError, abort}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `election_loop` [INFO] [stdout] --> raft/src/message_handlers/append_entries_handler.rs:5:44 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::election_state::{ElectionState, election_loop}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `get_in_response_to` [INFO] [stdout] --> raft/src/message_handlers/append_entries_handler.rs:7:43 [INFO] [stdout] | [INFO] [stdout] 7 | use shared_lib::message_utils::{get_body, get_in_response_to}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Entry` [INFO] [stdout] --> raft/src/message_handlers/append_entries_handler.rs:8:18 [INFO] [stdout] | [INFO] [stdout] 8 | use crate::log::{Entry, parse_entries}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `DefiniteError` [INFO] [stdout] --> raft/src/message_handlers/proxy_to_leader.rs:1:25 [INFO] [stdout] | [INFO] [stdout] 1 | use shared_lib::error::{DefiniteError, temporarily_unavailable, MaelstromError}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::election_state::State::LEADER` [INFO] [stdout] --> raft/src/message_handlers/proxy_to_leader.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use crate::election_state::State::LEADER; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `RwLockReadGuard` [INFO] [stdout] --> raft/src/raft_node_state.rs:3:32 [INFO] [stdout] | [INFO] [stdout] 3 | use std::sync::{Mutex, RwLock, RwLockReadGuard}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `stderr` [INFO] [stdout] --> raft/src/raft_node_state.rs:7:15 [INFO] [stdout] | [INFO] [stdout] 7 | use std::io::{stderr, Write}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::election_state::ElectionState` [INFO] [stdout] --> raft/src/raft_node_state.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use crate::election_state::ElectionState; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> raft/src/raft_node_state.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `shared_lib::stdio::write_log` [INFO] [stdout] --> raft/src/raft_node_state.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use shared_lib::stdio::write_log; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread::Thread` [INFO] [stdout] --> raft/src/election_state.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::thread::Thread; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `LockResult`, `PoisonError`, `RwLockReadGuard` [INFO] [stdout] --> raft/src/election_state.rs:4:30 [INFO] [stdout] | [INFO] [stdout] 4 | use std::sync::{RwLock, Arc, LockResult, RwLockReadGuard, PoisonError}; [INFO] [stdout] | ^^^^^^^^^^ ^^^^^^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `random`, `thread_rng` [INFO] [stdout] --> raft/src/election_state.rs:5:17 [INFO] [stdout] | [INFO] [stdout] 5 | use rand::{Rng, thread_rng, random, RngCore}; [INFO] [stdout] | ^^^^^^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Deref` [INFO] [stdout] --> raft/src/election_state.rs:7:16 [INFO] [stdout] | [INFO] [stdout] 7 | use std::ops::{Deref}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `node_state::NodeState` [INFO] [stdout] --> raft/src/election_state.rs:10:18 [INFO] [stdout] | [INFO] [stdout] 10 | use shared_lib::{node_state::NodeState, rpc::{broadcast_rpc, send_rpc}}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::Borrow` [INFO] [stdout] --> raft/src/election_state.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::borrow::Borrow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `lazy_static::lazy_static` [INFO] [stdout] --> raft/src/election_state.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use lazy_static::lazy_static; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `SyncSender`, `TryIter`, `channel`, `sync_channel` [INFO] [stdout] --> raft/src/election_state.rs:15:23 [INFO] [stdout] | [INFO] [stdout] 15 | use std::sync::mpsc::{sync_channel, SyncSender, TryIter, TryRecvError, Receiver, channel}; [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^^^^ ^^^^^^^ ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `shared_lib::error::MaelstromError` [INFO] [stdout] --> raft/src/election_state.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | use shared_lib::error::MaelstromError; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BufRead`, `Write`, `stderr`, `stdout` [INFO] [stdout] --> raft/src/main.rs:9:15 [INFO] [stdout] | [INFO] [stdout] 9 | use std::io::{stderr, stdout, BufRead, Write}; [INFO] [stdout] | ^^^^^^ ^^^^^^ ^^^^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::mpsc::SyncSender` [INFO] [stdout] --> raft/src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::sync::mpsc::SyncSender; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `io` [INFO] [stdout] --> raft/src/main.rs:11:11 [INFO] [stdout] | [INFO] [stdout] 11 | use std::{io, thread}; [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `io::prelude::*` [INFO] [stdout] --> raft/src/main.rs:14:33 [INFO] [stdout] | [INFO] [stdout] 14 | use std::{collections::HashMap, io::prelude::*, sync::mpsc::sync_channel}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `shared_lib::message_utils::get_message_type` [INFO] [stdout] --> raft/src/main.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use shared_lib::message_utils::get_message_type; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `json::JsonValue` [INFO] [stdout] --> raft/src/main.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | use json::JsonValue; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> raft/src/main.rs:45:62 [INFO] [stdout] | [INFO] [stdout] 45 | static ref ELECTION_STATE: Arc> = {election_state::start(&*NODE_STATE)}; [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_braces)]` on by default [INFO] [stdout] help: remove these braces [INFO] [stdout] | [INFO] [stdout] 45 - static ref ELECTION_STATE: Arc> = {election_state::start(&*NODE_STATE)}; [INFO] [stdout] 45 + static ref ELECTION_STATE: Arc> = election_state::start(&*NODE_STATE); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> shared_lib/src/read_respond.rs:17:17 [INFO] [stdout] | [INFO] [stdout] 17 | io::stderr().write(format!("Received {}\n", line).as_ref()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> shared_lib/src/read_respond.rs:23:33 [INFO] [stdout] | [INFO] [stdout] 23 | ... sender.send(parsed); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> shared_lib/src/message_handler.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | curr_state.get_channel().send(stringify(response)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> shared_lib/src/message_handler.rs:38:13 [INFO] [stdout] | [INFO] [stdout] 38 | curr_state.get_channel().send(stringify(response)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> shared_lib/src/rpc.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | state.get_channel().send(stringify(request)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> shared_lib/src/rpc.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | state.get_channel().send(stringify(request.clone())); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> shared_lib/src/rpc.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 56 | state.get_channel().send(stringify(request)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> shared_lib/src/stdio.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | stdout.write_all(msg.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> shared_lib/src/stdio.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | stdout.write_all("\n".as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> shared_lib/src/stdio.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | stdout.flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> shared_lib/src/stdio.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | stderr().write(msg.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> shared_lib/src/stdio.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | stderr().write(b"\n"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> shared_lib/src/stdio.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | stderr().flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> maelstrom/src/states/thunk.rs:2:18 [INFO] [stdout] | [INFO] [stdout] 2 | io::{stderr, Write}, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `to_json` [INFO] [stdout] --> maelstrom/src/counters/g_counter.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn to_json(&self) -> JsonValue { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `to_json` [INFO] [stdout] --> maelstrom/src/counters/pn_counter.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn to_json(&self) -> JsonValue { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `init` [INFO] [stdout] --> maelstrom/src/states/id_gen.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | pub fn init(node_id: String) -> IdGenerator { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `counters_state` [INFO] [stdout] --> maelstrom/src/states/maelstrom_node_state.rs:46:12 [INFO] [stdout] | [INFO] [stdout] 46 | pub fn counters_state(&self) -> JsonValue { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> maelstrom/src/states/maelstrom_node_state.rs:34:20 [INFO] [stdout] | [INFO] [stdout] 34 | panic!(format!( [INFO] [stdout] | ____________________^ [INFO] [stdout] 35 | | "Tried to get id generator but it has not been inialized. Id is: {}", [INFO] [stdout] 36 | | self.node_id() [INFO] [stdout] 37 | | )); [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the panic!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 34 ~ panic!( [INFO] [stdout] 35 | "Tried to get id generator but it has not been inialized. Id is: {}", [INFO] [stdout] 36 | self.node_id() [INFO] [stdout] 37 ~ ); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> maelstrom/src/lin_kv_service.rs:48:9 [INFO] [stdout] | [INFO] [stdout] 48 | thunk.save(self); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> maelstrom/src/lin_kv_service.rs:60:13 [INFO] [stdout] | [INFO] [stdout] 60 | / stderr() [INFO] [stdout] 61 | | .write_all(format!("Cas failed to update root at {}\n", original_id).as_bytes()); [INFO] [stdout] | |_________________________________________________________________________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> maelstrom/src/lin_kv_service.rs:71:13 [INFO] [stdout] | [INFO] [stdout] 71 | / stderr().write_all( [INFO] [stdout] 72 | | format!( [INFO] [stdout] 73 | | "Reading {}, from cache {:?}\n", [INFO] [stdout] 74 | | thunk.id.clone(), [INFO] [stdout] ... | [INFO] [stdout] 77 | | .as_bytes(), [INFO] [stdout] 78 | | ); [INFO] [stdout] | |______________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> maelstrom/src/message_handlers/txn_handler.rs:53:13 [INFO] [stdout] | [INFO] [stdout] 53 | arr.push(txn2); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> maelstrom/src/message_handlers/txn_handler.rs:113:13 [INFO] [stdout] | [INFO] [stdout] 113 | stderr().write_all(format!("Received unknown transaction {:?}\n", txn).as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> maelstrom/src/states/kv_thunk.rs:17:13 [INFO] [stdout] | [INFO] [stdout] 17 | arr.push(*i); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> maelstrom/src/states/serializable_map.rs:35:13 [INFO] [stdout] | [INFO] [stdout] 35 | jv.insert(&k.to_string(), thunk.id.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> raft/src/raft_node_state.rs:7:23 [INFO] [stdout] | [INFO] [stdout] 7 | use std::io::{stderr, Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `message` [INFO] [stdout] --> raft/src/message_handlers/read_handler.rs:26:34 [INFO] [stdout] | [INFO] [stdout] 26 | fn make_response_body(&self, message: &JsonValue, curr_state: &RaftState) -> Result { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `curr_state` [INFO] [stdout] --> raft/src/message_handlers/read_handler.rs:26:55 [INFO] [stdout] | [INFO] [stdout] 26 | fn make_response_body(&self, message: &JsonValue, curr_state: &RaftState) -> Result { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_curr_state` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `message` [INFO] [stdout] --> raft/src/message_handlers/cas_handler.rs:28:34 [INFO] [stdout] | [INFO] [stdout] 28 | fn make_response_body(&self, message: &JsonValue, curr_state: &RaftState) -> Result { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `curr_state` [INFO] [stdout] --> raft/src/message_handlers/cas_handler.rs:28:55 [INFO] [stdout] | [INFO] [stdout] 28 | fn make_response_body(&self, message: &JsonValue, curr_state: &RaftState) -> Result { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_curr_state` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `message` [INFO] [stdout] --> raft/src/message_handlers/write_handler.rs:26:34 [INFO] [stdout] | [INFO] [stdout] 26 | fn make_response_body(&self, message: &JsonValue, curr_state: &RaftState) -> Result { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `curr_state` [INFO] [stdout] --> raft/src/message_handlers/write_handler.rs:26:55 [INFO] [stdout] | [INFO] [stdout] 26 | fn make_response_body(&self, message: &JsonValue, curr_state: &RaftState) -> Result { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_curr_state` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> raft/src/raft_node_state.rs:68:31 [INFO] [stdout] | [INFO] [stdout] 68 | log_loc.as_mut().map(|mut log| { [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: variable does not need to be mutable [INFO] [stdout] --> raft/src/raft_node_state.rs:75:49 [INFO] [stdout] | [INFO] [stdout] 75 | self.log.write().unwrap().as_mut().map(|mut log| log.append(entries)); [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] --> raft/src/raft_node_state.rs:80:49 [INFO] [stdout] | [INFO] [stdout] 80 | self.log.write().unwrap().as_mut().map(|mut log| log.truncate(len)); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `replication_time` [INFO] [stdout] --> raft/src/election_state.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 36 | replication_time: RwLock, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `node` [INFO] [stdout] --> raft/src/log.rs:56:5 [INFO] [stdout] | [INFO] [stdout] 56 | node: String, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Log` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> raft/src/log.rs:54:10 [INFO] [stdout] | [INFO] [stdout] 54 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> raft/src/election_state.rs:95:13 [INFO] [stdout] | [INFO] [stdout] 95 | stderr().write(error_message.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> raft/src/election_state.rs:108:9 [INFO] [stdout] | [INFO] [stdout] 108 | self.advance_term(curr_term + 1); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> raft/src/election_state.rs:165:13 [INFO] [stdout] | [INFO] [stdout] 165 | self.advance_term(remote_term); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Option::::insert` that must be used [INFO] [stdout] --> raft/src/election_state.rs:174:9 [INFO] [stdout] | [INFO] [stdout] 174 | self.leader.write().unwrap().insert(leader_id); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you intended to set a value, consider assignment instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 20 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 31 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 52 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 8.01s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/maelstrom-dc249dc9ca3cb270) [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/raft-950c8c2478e86a26) [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/shared_lib-121d02ecf610e051) [INFO] running `Command { std: "docker" "inspect" "5b40307b3e321df02c14aa4374095ae3b5ae29ada2e99e9f15abbb815155c0b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b40307b3e321df02c14aa4374095ae3b5ae29ada2e99e9f15abbb815155c0b5", kill_on_drop: false }` [INFO] [stdout] 5b40307b3e321df02c14aa4374095ae3b5ae29ada2e99e9f15abbb815155c0b5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a947ce44b898f20a746771f64d0a872289dd5bda5f8259d4b92a79f3223381ba [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "a947ce44b898f20a746771f64d0a872289dd5bda5f8259d4b92a79f3223381ba", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `json::JsonValue` [INFO] [stderr] --> shared_lib/src/read_respond.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use json::JsonValue; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `stderr` [INFO] [stderr] --> shared_lib/src/read_respond.rs:3:31 [INFO] [stderr] | [INFO] [stderr] 3 | use std::io::{Write, BufRead, stderr}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `RecvTimeoutError`, `TryRecvError` [INFO] [stderr] --> shared_lib/src/rpc.rs:4:37 [INFO] [stderr] | [INFO] [stderr] 4 | use std::sync::mpsc::{sync_channel, TryRecvError, Receiver, RecvTimeoutError}; [INFO] [stderr] | ^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::borrow::Borrow` [INFO] [stderr] --> shared_lib/src/rpc.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::borrow::Borrow; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::thread::JoinHandle` [INFO] [stderr] --> shared_lib/src/rpc.rs:8:5 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] running 0 tests [INFO] [stderr] 8 | use std::thread::JoinHandle; [INFO] [stdout] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] [INFO] [stdout] [INFO] [stderr] warning: irrefutable `while let` pattern [INFO] [stderr] --> shared_lib/src/rpc.rs:37:11 [INFO] [stderr] | [INFO] [stderr] 37 | while let rpc_response = send_rpc(state, request_body, "lin-kv").unwrap() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stderr] = note: this pattern will always match, so the loop will never exit [INFO] [stderr] = help: consider instead using a `loop { ... }` with a `let` inside it [INFO] [stderr] [INFO] [stderr] warning: unused variable: `err` [INFO] [stderr] --> shared_lib/src/rpc.rs:29:13 [INFO] [stderr] | [INFO] [stderr] 29 | Err(err) => { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> shared_lib/src/read_respond.rs:17:17 [INFO] [stderr] | [INFO] [stderr] 17 | io::stderr().write(format!("Received {}\n", line).as_ref()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> shared_lib/src/read_respond.rs:23:33 [INFO] [stderr] | [INFO] [stderr] 23 | ... sender.send(parsed); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> shared_lib/src/message_handler.rs:25:13 [INFO] [stderr] | [INFO] [stderr] 25 | curr_state.get_channel().send(stringify(response)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> shared_lib/src/message_handler.rs:38:13 [INFO] [stderr] | [INFO] [stderr] 38 | curr_state.get_channel().send(stringify(response)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> shared_lib/src/rpc.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | state.get_channel().send(stringify(request)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> shared_lib/src/rpc.rs:25:5 [INFO] [stderr] | [INFO] [stderr] 25 | state.get_channel().send(stringify(request.clone())); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> shared_lib/src/rpc.rs:56:9 [INFO] [stderr] | [INFO] [stderr] 56 | state.get_channel().send(stringify(request)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> shared_lib/src/stdio.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | stdout.write_all(msg.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> shared_lib/src/stdio.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | stdout.write_all("\n".as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> shared_lib/src/stdio.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | stdout.flush(); [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> shared_lib/src/stdio.rs:25:5 [INFO] [stderr] | [INFO] [stderr] 25 | stderr().write(msg.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> shared_lib/src/stdio.rs:26:5 [INFO] [stderr] | [INFO] [stderr] 26 | stderr().write(b"\n"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> shared_lib/src/stdio.rs:27:5 [INFO] [stderr] | [INFO] [stderr] 27 | stderr().flush(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `shared_lib` (lib) generated 20 warnings [INFO] [stderr] warning: `shared_lib` (lib test) generated 20 warnings (20 duplicates) [INFO] [stderr] warning: unused import: `JsonValue` [INFO] [stderr] --> maelstrom/src/main.rs:1:18 [INFO] [stderr] | [INFO] [stderr] 1 | use json::{self, JsonValue}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `io::prelude::*` [INFO] [stderr] --> maelstrom/src/main.rs:11:33 [INFO] [stderr] | [INFO] [stderr] 11 | use std::{collections::HashMap, io::prelude::*, sync::mpsc::sync_channel}; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `self`, `sync::mpsc::Receiver` [INFO] [stderr] --> maelstrom/src/main.rs:13:10 [INFO] [stderr] | [INFO] [stderr] 13 | io::{self}, [INFO] [stderr] | ^^^^ [INFO] [stderr] 14 | sync::mpsc::Receiver, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Write`, `stderr` [INFO] [stderr] --> maelstrom/src/main.rs:17:10 [INFO] [stderr] | [INFO] [stderr] 17 | io::{stderr, Write}, [INFO] [stderr] | ^^^^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `message_utils::get_message_type` [INFO] [stderr] --> maelstrom/src/main.rs:20:72 [INFO] [stderr] | [INFO] [stderr] 20 | use shared_lib::{ stdio::while_reply, message_handler::MessageHandler, message_utils::get_message_type}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `mpsc::sync_channel`, `thread`, `time::Duration` [INFO] [stderr] --> maelstrom/src/lin_kv_service.rs:4:12 [INFO] [stderr] | [INFO] [stderr] 4 | sync::{mpsc::sync_channel, Mutex}, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 5 | thread, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] 6 | time::Duration, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `stringify` [INFO] [stderr] --> maelstrom/src/lin_kv_service.rs:9:31 [INFO] [stderr] | [INFO] [stderr] 9 | use json::{JsonValue, object, stringify}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `shared_lib::node_state::NodeState` [INFO] [stderr] --> maelstrom/src/lin_kv_service.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use shared_lib::node_state::NodeState; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Borrow` [INFO] [stderr] --> maelstrom/src/lin_kv_service.rs:14:19 [INFO] [stderr] | [INFO] [stderr] 14 | use std::borrow::{Borrow, BorrowMut}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `node_state::NodeState` [INFO] [stderr] --> maelstrom/src/message_handlers/topology_handler.rs:2:74 [INFO] [stderr] | [INFO] [stderr] 2 | use shared_lib::{error::MaelstromError, message_handler::MessageHandler, node_state::NodeState}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `borrow::BorrowMut` [INFO] [stderr] --> maelstrom/src/message_handlers/txn_handler.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | borrow::BorrowMut, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `rand::prelude::ThreadRng` [INFO] [stderr] --> maelstrom/src/message_handlers/txn_handler.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use rand::prelude::ThreadRng; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Mutex`, `cell::RefCell`, `collections::HashMap` [INFO] [stderr] --> maelstrom/src/states/maelstrom_node_state.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | cell::RefCell, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] 6 | collections::HashMap, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 7 | sync::{mpsc::SyncSender, Mutex, RwLock}, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::sync::RwLockWriteGuard` [INFO] [stderr] --> maelstrom/src/states/maelstrom_node_state.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::sync::RwLockWriteGuard; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Write`, `stderr` [INFO] [stderr] --> maelstrom/src/states/serializable_map.rs:3:10 [INFO] [stderr] | [INFO] [stderr] 3 | io::{stderr, Write}, [INFO] [stderr] | ^^^^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `stringify` [INFO] [stderr] --> maelstrom/src/states/serializable_map.rs:6:12 [INFO] [stderr] | [INFO] [stderr] 6 | use json::{stringify, JsonValue}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `stderr` [INFO] [stderr] --> maelstrom/src/states/thunk.rs:2:10 [INFO] [stderr] | [INFO] [stderr] 2 | io::{stderr, Write}, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `json::JsonValue` [INFO] [stderr] --> maelstrom/src/states/thunk.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use json::JsonValue; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Write` [INFO] [stderr] --> maelstrom/src/states/thunk.rs:2:18 [INFO] [stderr] | [INFO] [stderr] 2 | io::{stderr, Write}, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `to_json` [INFO] [stderr] --> maelstrom/src/counters/g_counter.rs:16:12 [INFO] [stderr] | [INFO] [stderr] 16 | pub fn to_json(&self) -> JsonValue { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `to_json` [INFO] [stderr] --> maelstrom/src/counters/pn_counter.rs:25:12 [INFO] [stderr] | [INFO] [stderr] 25 | pub fn to_json(&self) -> JsonValue { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `init` [INFO] [stderr] --> maelstrom/src/states/id_gen.rs:9:12 [INFO] [stderr] | [INFO] [stderr] 9 | pub fn init(node_id: String) -> IdGenerator { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `counters_state` [INFO] [stderr] --> maelstrom/src/states/maelstrom_node_state.rs:46:12 [INFO] [stderr] | [INFO] [stderr] 46 | pub fn counters_state(&self) -> JsonValue { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> maelstrom/src/states/maelstrom_node_state.rs:34:20 [INFO] [stderr] | [INFO] [stderr] 34 | panic!(format!( [INFO] [stderr] | ____________________^ [INFO] [stderr] 35 | | "Tried to get id generator but it has not been inialized. Id is: {}", [INFO] [stderr] 36 | | self.node_id() [INFO] [stderr] 37 | | )); [INFO] [stderr] | |_____________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stderr] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: the panic!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stderr] help: remove the `format!(..)` macro call [INFO] [stderr] | [INFO] [stderr] 34 ~ panic!( [INFO] [stderr] 35 | "Tried to get id generator but it has not been inialized. Id is: {}", [INFO] [stderr] 36 | self.node_id() [INFO] [stderr] 37 ~ ); [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> maelstrom/src/lin_kv_service.rs:48:9 [INFO] [stderr] | [INFO] [stderr] 48 | thunk.save(self); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> maelstrom/src/lin_kv_service.rs:60:13 [INFO] [stderr] | [INFO] [stderr] 60 | / stderr() [INFO] [stderr] 61 | | .write_all(format!("Cas failed to update root at {}\n", original_id).as_bytes()); [INFO] [stderr] | |_________________________________________________________________________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> maelstrom/src/lin_kv_service.rs:71:13 [INFO] [stderr] | [INFO] [stderr] 71 | / stderr().write_all( [INFO] [stderr] 72 | | format!( [INFO] [stderr] 73 | | "Reading {}, from cache {:?}\n", [INFO] [stderr] 74 | | thunk.id.clone(), [INFO] [stderr] ... | [INFO] [stderr] 77 | | .as_bytes(), [INFO] [stderr] 78 | | ); [INFO] [stderr] | |______________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> maelstrom/src/message_handlers/txn_handler.rs:53:13 [INFO] [stderr] | [INFO] [stderr] 53 | arr.push(txn2); [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> maelstrom/src/message_handlers/txn_handler.rs:113:13 [INFO] [stderr] | [INFO] [stderr] 113 | stderr().write_all(format!("Received unknown transaction {:?}\n", txn).as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> maelstrom/src/states/kv_thunk.rs:17:13 [INFO] [stderr] | [INFO] [stderr] 17 | arr.push(*i); [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> maelstrom/src/states/serializable_map.rs:35:13 [INFO] [stderr] | [INFO] [stderr] 35 | jv.insert(&k.to_string(), thunk.id.clone()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused import: `node_state::NodeState` [INFO] [stderr] --> raft/src/message_handlers/init_handler.rs:2:74 [INFO] [stderr] | [INFO] [stderr] 2 | use shared_lib::{error::MaelstromError, message_handler::MessageHandler, node_state::NodeState, message_utils::get_body}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `temporarily_unavailable` [INFO] [stderr] --> raft/src/message_handlers/read_handler.rs:4:56 [INFO] [stderr] | [INFO] [stderr] 4 | use shared_lib::error::{MaelstromError, DefiniteError, temporarily_unavailable}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `get_in_response_to` [INFO] [stderr] --> raft/src/message_handlers/read_handler.rs:5:43 [INFO] [stderr] | [INFO] [stderr] 5 | use shared_lib::message_utils::{get_body, get_in_response_to}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `temporarily_unavailable` [INFO] [stderr] --> raft/src/message_handlers/cas_handler.rs:4:56 [INFO] [stderr] | [INFO] [stderr] 4 | use shared_lib::error::{MaelstromError, DefiniteError, temporarily_unavailable}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `get_in_response_to` [INFO] [stderr] --> raft/src/message_handlers/cas_handler.rs:5:43 [INFO] [stderr] | [INFO] [stderr] 5 | use shared_lib::message_utils::{get_body, get_in_response_to}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `object` [INFO] [stderr] --> raft/src/message_handlers/write_handler.rs:3:24 [INFO] [stderr] | [INFO] [stderr] 3 | use json::{ JsonValue, object }; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `temporarily_unavailable` [INFO] [stderr] --> raft/src/message_handlers/write_handler.rs:4:41 [INFO] [stderr] | [INFO] [stderr] 4 | use shared_lib::error::{MaelstromError, temporarily_unavailable}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `get_in_response_to` [INFO] [stderr] --> raft/src/message_handlers/write_handler.rs:5:43 [INFO] [stderr] | [INFO] [stderr] 5 | use shared_lib::message_utils::{get_body, get_in_response_to}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `SyncSender`, `sync_channel` [INFO] [stderr] --> raft/src/message_handlers/request_vote_handler.rs:8:23 [INFO] [stderr] | [INFO] [stderr] 8 | use std::sync::mpsc::{SyncSender, sync_channel}; [INFO] [stderr] | ^^^^^^^^^^ ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `DefiniteError` [INFO] [stderr] --> raft/src/message_handlers/append_entries_handler.rs:4:41 [INFO] [stderr] | [INFO] [stderr] 4 | use shared_lib::error::{MaelstromError, DefiniteError, abort}; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `election_loop` [INFO] [stderr] --> raft/src/message_handlers/append_entries_handler.rs:5:44 [INFO] [stderr] | [INFO] [stderr] 5 | use crate::election_state::{ElectionState, election_loop}; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `get_in_response_to` [INFO] [stderr] --> raft/src/message_handlers/append_entries_handler.rs:7:43 [INFO] [stderr] | [INFO] [stderr] 7 | use shared_lib::message_utils::{get_body, get_in_response_to}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Entry` [INFO] [stderr] --> raft/src/message_handlers/append_entries_handler.rs:8:18 [INFO] [stderr] | [INFO] [stderr] 8 | use crate::log::{Entry, parse_entries}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `DefiniteError` [INFO] [stderr] --> raft/src/message_handlers/proxy_to_leader.rs:1:25 [INFO] [stderr] | [INFO] [stderr] 1 | use shared_lib::error::{DefiniteError, temporarily_unavailable, MaelstromError}; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::election_state::State::LEADER` [INFO] [stderr] --> raft/src/message_handlers/proxy_to_leader.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use crate::election_state::State::LEADER; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `RwLockReadGuard` [INFO] [stderr] --> raft/src/raft_node_state.rs:3:32 [INFO] [stderr] | [INFO] [stderr] 3 | use std::sync::{Mutex, RwLock, RwLockReadGuard}; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `stderr` [INFO] [stderr] --> raft/src/raft_node_state.rs:7:15 [INFO] [stderr] | [INFO] [stderr] 7 | use std::io::{stderr, Write}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::election_state::ElectionState` [INFO] [stderr] --> raft/src/raft_node_state.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use crate::election_state::ElectionState; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::thread` [INFO] [stderr] --> raft/src/raft_node_state.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::thread; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `shared_lib::stdio::write_log` [INFO] [stderr] --> raft/src/raft_node_state.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use shared_lib::stdio::write_log; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::thread::Thread` [INFO] [stderr] --> raft/src/election_state.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::thread::Thread; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `LockResult`, `PoisonError`, `RwLockReadGuard` [INFO] [stderr] --> raft/src/election_state.rs:4:30 [INFO] [stderr] | [INFO] [stderr] 4 | use std::sync::{RwLock, Arc, LockResult, RwLockReadGuard, PoisonError}; [INFO] [stderr] | ^^^^^^^^^^ ^^^^^^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `random`, `thread_rng` [INFO] [stderr] --> raft/src/election_state.rs:5:17 [INFO] [stderr] | [INFO] [stderr] 5 | use rand::{Rng, thread_rng, random, RngCore}; [INFO] [stderr] | ^^^^^^^^^^ ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Deref` [INFO] [stderr] --> raft/src/election_state.rs:7:16 [INFO] [stderr] | [INFO] [stderr] 7 | use std::ops::{Deref}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `node_state::NodeState` [INFO] [stderr] --> raft/src/election_state.rs:10:18 [INFO] [stderr] | [INFO] [stderr] 10 | use shared_lib::{node_state::NodeState, rpc::{broadcast_rpc, send_rpc}}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::borrow::Borrow` [INFO] [stderr] --> raft/src/election_state.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | use std::borrow::Borrow; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `lazy_static::lazy_static` [INFO] [stderr] --> raft/src/election_state.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | use lazy_static::lazy_static; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `SyncSender`, `TryIter`, `channel`, `sync_channel` [INFO] [stderr] --> raft/src/election_state.rs:15:23 [INFO] [stderr] | [INFO] [stderr] 15 | use std::sync::mpsc::{sync_channel, SyncSender, TryIter, TryRecvError, Receiver, channel}; [INFO] [stderr] | ^^^^^^^^^^^^ ^^^^^^^^^^ ^^^^^^^ ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `shared_lib::error::MaelstromError` [INFO] [stderr] --> raft/src/election_state.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | use shared_lib::error::MaelstromError; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `BufRead`, `Write`, `stderr`, `stdout` [INFO] [stderr] --> raft/src/main.rs:9:15 [INFO] [stderr] | [INFO] [stderr] 9 | use std::io::{stderr, stdout, BufRead, Write}; [INFO] [stderr] | ^^^^^^ ^^^^^^ ^^^^^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::sync::mpsc::SyncSender` [INFO] [stderr] --> raft/src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::sync::mpsc::SyncSender; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `io` [INFO] [stderr] --> raft/src/main.rs:11:11 [INFO] [stderr] | [INFO] [stderr] 11 | use std::{io, thread}; [INFO] [stderr] | ^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `io::prelude::*` [INFO] [stderr] --> raft/src/main.rs:14:33 [INFO] [stderr] | [INFO] [stderr] 14 | use std::{collections::HashMap, io::prelude::*, sync::mpsc::sync_channel}; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `shared_lib::message_utils::get_message_type` [INFO] [stderr] --> raft/src/main.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | use shared_lib::message_utils::get_message_type; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `json::JsonValue` [INFO] [stderr] --> raft/src/main.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | use json::JsonValue; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary braces around block return value [INFO] [stderr] --> raft/src/main.rs:45:62 [INFO] [stderr] | [INFO] [stderr] 45 | static ref ELECTION_STATE: Arc> = {election_state::start(&*NODE_STATE)}; [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_braces)]` on by default [INFO] [stderr] help: remove these braces [INFO] [stderr] | [INFO] [stderr] 45 - static ref ELECTION_STATE: Arc> = {election_state::start(&*NODE_STATE)}; [INFO] [stderr] 45 + static ref ELECTION_STATE: Arc> = election_state::start(&*NODE_STATE); [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unused import: `Write` [INFO] [stderr] --> raft/src/raft_node_state.rs:7:23 [INFO] [stderr] | [INFO] [stderr] 7 | use std::io::{stderr, Write}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `message` [INFO] [stderr] --> raft/src/message_handlers/read_handler.rs:26:34 [INFO] [stderr] | [INFO] [stderr] 26 | fn make_response_body(&self, message: &JsonValue, curr_state: &RaftState) -> Result { [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `curr_state` [INFO] [stderr] --> raft/src/message_handlers/read_handler.rs:26:55 [INFO] [stderr] | [INFO] [stderr] 26 | fn make_response_body(&self, message: &JsonValue, curr_state: &RaftState) -> Result { [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_curr_state` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `message` [INFO] [stderr] --> raft/src/message_handlers/cas_handler.rs:28:34 [INFO] [stderr] | [INFO] [stderr] 28 | fn make_response_body(&self, message: &JsonValue, curr_state: &RaftState) -> Result { [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `curr_state` [INFO] [stderr] --> raft/src/message_handlers/cas_handler.rs:28:55 [INFO] [stderr] | [INFO] [stderr] 28 | fn make_response_body(&self, message: &JsonValue, curr_state: &RaftState) -> Result { [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_curr_state` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `message` [INFO] [stderr] --> raft/src/message_handlers/write_handler.rs:26:34 [INFO] [stderr] | [INFO] [stderr] 26 | fn make_response_body(&self, message: &JsonValue, curr_state: &RaftState) -> Result { [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `curr_state` [INFO] [stderr] --> raft/src/message_handlers/write_handler.rs:26:55 [INFO] [stderr] | [INFO] [stderr] 26 | fn make_response_body(&self, message: &JsonValue, curr_state: &RaftState) -> Result { [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_curr_state` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> raft/src/raft_node_state.rs:68:31 [INFO] [stderr] | [INFO] [stderr] 68 | log_loc.as_mut().map(|mut log| { [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> raft/src/raft_node_state.rs:75:49 [INFO] [stderr] | [INFO] [stderr] 75 | self.log.write().unwrap().as_mut().map(|mut log| log.append(entries)); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> raft/src/raft_node_state.rs:80:49 [INFO] [stderr] | [INFO] [stderr] 80 | self.log.write().unwrap().as_mut().map(|mut log| log.truncate(len)); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: field is never read: `replication_time` [INFO] [stderr] --> raft/src/election_state.rs:36:5 [INFO] [stderr] | [INFO] [stderr] 36 | replication_time: RwLock, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `node` [INFO] [stderr] --> raft/src/log.rs:56:5 [INFO] [stderr] | [INFO] [stderr] 56 | node: String, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `Log` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> raft/src/log.rs:54:10 [INFO] [stderr] | [INFO] [stderr] 54 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> raft/src/election_state.rs:95:13 [INFO] [stderr] | [INFO] [stderr] 95 | stderr().write(error_message.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> raft/src/election_state.rs:108:9 [INFO] [stderr] | [INFO] [stderr] 108 | self.advance_term(curr_term + 1); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> raft/src/election_state.rs:165:13 [INFO] [stderr] | [INFO] [stderr] 165 | self.advance_term(remote_term); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused return value of `Option::::insert` that must be used [INFO] [stderr] --> raft/src/election_state.rs:174:9 [INFO] [stderr] | [INFO] [stderr] 174 | self.leader.write().unwrap().insert(leader_id); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you intended to set a value, consider assignment instead [INFO] [stderr] [INFO] [stderr] warning: `maelstrom` (bin "maelstrom" test) generated 31 warnings [INFO] [stderr] warning: `raft` (bin "raft" test) generated 52 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/maelstrom-dc249dc9ca3cb270) [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/raft-950c8c2478e86a26) [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/shared_lib-121d02ecf610e051) [INFO] [stdout] running 0 tests [INFO] [stderr] Doc-tests shared_lib [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "a947ce44b898f20a746771f64d0a872289dd5bda5f8259d4b92a79f3223381ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a947ce44b898f20a746771f64d0a872289dd5bda5f8259d4b92a79f3223381ba", kill_on_drop: false }` [INFO] [stdout] a947ce44b898f20a746771f64d0a872289dd5bda5f8259d4b92a79f3223381ba