[INFO] cloning repository https://github.com/prabhpreet/basic-raft
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/prabhpreet/basic-raft" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprabhpreet%2Fbasic-raft", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprabhpreet%2Fbasic-raft'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e631a4e8c296634a18b9558b2288a9e102febbc9
[INFO] checking prabhpreet/basic-raft against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprabhpreet%2Fbasic-raft" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/prabhpreet/basic-raft
[INFO] finished tweaking git repo https://github.com/prabhpreet/basic-raft
[INFO] tweaked toml for git repo https://github.com/prabhpreet/basic-raft written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/prabhpreet/basic-raft on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/prabhpreet/basic-raft already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "1358b1ff184d4dbf275318a9966780cd8f45e7903533d41d2cf4c78eb6b29607", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `std::net::SocketAddr`
[INFO] [stdout]  --> src/types.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::net::SocketAddr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::Log`
[INFO] [stdout]  --> src/types.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use log::Log;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `uindex`
[INFO] [stdout]  --> src/protocol.rs:3:56
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::types::{Term, LogEntry, LogIndex, ServerID, uindex};
[INFO] [stdout]   |                                                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `env`
[INFO] [stdout]    --> src/bus.rs:173:15
[INFO] [stdout]     |
[INFO] [stdout] 173 |     use std::{env, time::Duration};
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CandidateVars` and `Term`
[INFO] [stdout]  --> src/server/client_request.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 |     server::{CandidateVars, ServerState, State, Term},
[INFO] [stdout]   |              ^^^^^^^^^^^^^                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/server/receive.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `NodeBus`, `NodeReceiver`, and `bus`
[INFO] [stdout]  --> src/server/receive.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     bus, protocol::{Message, MsgAddr, NodeBus, NodeBusRxSender, NodeReceiver, NodeSender, RequestVoteResponse}, types::{uindex, LogIndex,...
[INFO] [stdout]   |     ^^^                               ^^^^^^^                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::SocketAddr`
[INFO] [stdout]  --> src/types.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::net::SocketAddr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::Log`
[INFO] [stdout]  --> src/types.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use log::Log;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `uindex`
[INFO] [stdout]  --> src/protocol.rs:3:56
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::types::{Term, LogEntry, LogIndex, ServerID, uindex};
[INFO] [stdout]   |                                                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CandidateVars` and `Term`
[INFO] [stdout]  --> src/server/client_request.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 |     server::{CandidateVars, ServerState, State, Term},
[INFO] [stdout]   |              ^^^^^^^^^^^^^                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/server/receive.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `NodeBus`, `NodeReceiver`, and `bus`
[INFO] [stdout]  --> src/server/receive.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     bus, protocol::{Message, MsgAddr, NodeBus, NodeBusRxSender, NodeReceiver, NodeSender, RequestVoteResponse}, types::{uindex, LogIndex,...
[INFO] [stdout]   |     ^^^                               ^^^^^^^                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/bus.rs:203:33
[INFO] [stdout]     |
[INFO] [stdout] 203 |                 while let Some((id, message)) = rx2.recv().await {
[INFO] [stdout]     |                                 ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `handle`
[INFO] [stdout]    --> src/bus.rs:195:17
[INFO] [stdout]     |
[INFO] [stdout] 195 |             let handle = rt.block_on(async {
[INFO] [stdout]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` in tuple element 0 that must be used
[INFO] [stdout]    --> src/server/mod.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |         tokio::join!(change_handle, bus_receiver_handle, client_handle);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` in tuple element 1 that must be used
[INFO] [stdout]    --> src/server/mod.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |         tokio::join!(change_handle, bus_receiver_handle, client_handle);
[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` in tuple element 2 that must be used
[INFO] [stdout]    --> src/server/mod.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |         tokio::join!(change_handle, bus_receiver_handle, client_handle);
[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` in tuple element 0 that must be used
[INFO] [stdout]    --> src/server/mod.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |         tokio::join!(change_handle, bus_receiver_handle, client_handle);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` in tuple element 1 that must be used
[INFO] [stdout]    --> src/server/mod.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |         tokio::join!(change_handle, bus_receiver_handle, client_handle);
[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` in tuple element 2 that must be used
[INFO] [stdout]    --> src/server/mod.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |         tokio::join!(change_handle, bus_receiver_handle, client_handle);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 45.38s
[INFO] running `Command { std: "docker" "inspect" "1358b1ff184d4dbf275318a9966780cd8f45e7903533d41d2cf4c78eb6b29607", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1358b1ff184d4dbf275318a9966780cd8f45e7903533d41d2cf4c78eb6b29607", kill_on_drop: false }`
[INFO] [stdout] 1358b1ff184d4dbf275318a9966780cd8f45e7903533d41d2cf4c78eb6b29607
