[INFO] cloning repository https://github.com/guoxiangCN/raft-test-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/guoxiangCN/raft-test-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FguoxiangCN%2Fraft-test-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FguoxiangCN%2Fraft-test-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9867354550c9ba92deeb859a8d6b4a5beaf986fa
[INFO] checking guoxiangCN/raft-test-demo against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FguoxiangCN%2Fraft-test-demo" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/guoxiangCN/raft-test-demo on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/guoxiangCN/raft-test-demo
[INFO] finished tweaking git repo https://github.com/guoxiangCN/raft-test-demo
[INFO] tweaked toml for git repo https://github.com/guoxiangCN/raft-test-demo written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/guoxiangCN/raft-test-demo 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded raft v0.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2fb667983f7a8b617a5f61c26fd7a6a3b17085156cf3abcb5ecd9cd612a3a70
[INFO] running `Command { std: "docker" "start" "-a" "b2fb667983f7a8b617a5f61c26fd7a6a3b17085156cf3abcb5ecd9cd612a3a70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2fb667983f7a8b617a5f61c26fd7a6a3b17085156cf3abcb5ecd9cd612a3a70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2fb667983f7a8b617a5f61c26fd7a6a3b17085156cf3abcb5ecd9cd612a3a70", kill_on_drop: false }`
[INFO] [stdout] b2fb667983f7a8b617a5f61c26fd7a6a3b17085156cf3abcb5ecd9cd612a3a70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 219db2c78ae5e7b77a5f53900da8b6aadc3ecdd120b18e56bf2fc7a987a0d45e
[INFO] running `Command { std: "docker" "start" "-a" "219db2c78ae5e7b77a5f53900da8b6aadc3ecdd120b18e56bf2fc7a987a0d45e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling protobuf v2.28.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling crossbeam-skiplist v0.1.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling thiserror v1.0.49
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking raft v0.4.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.49
[INFO] [stderr]     Checking rafttest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `raft::prelude::Message`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use raft::prelude::Message;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fmt::format`
[INFO] [stdout]  --> src/server.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     fmt::format,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `MessageType`, `RaftState`, and `Raft`
[INFO] [stdout]   --> src/server.rs:10:58
[INFO] [stdout]    |
[INFO] [stdout] 10 |     prelude::{ConfChange, EntryType, HardState, Message, MessageType},
[INFO] [stdout]    |                                                          ^^^^^^^^^^^
[INFO] [stdout] 11 |     storage::MemStorage,
[INFO] [stdout] 12 |     Config, Peer, Raft, RaftState, RawNode, StateRole,
[INFO] [stdout]    |                   ^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `collections::HashMap`, `time::Duration`, and `vec`
[INFO] [stdout]    --> src/server.rs:308:15
[INFO] [stdout]     |
[INFO] [stdout] 308 |     use std::{collections::HashMap, time::Duration, vec};
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `raft::prelude::Message`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use raft::prelude::Message;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils`
[INFO] [stdout]    --> src/server.rs:310:9
[INFO] [stdout]     |
[INFO] [stdout] 310 |     use crate::utils;
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `KvServer` and `ServerConfig`
[INFO] [stdout]    --> src/server.rs:312:17
[INFO] [stdout]     |
[INFO] [stdout] 312 |     use super::{KvServer, ServerConfig};
[INFO] [stdout]     |                 ^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fmt::format`
[INFO] [stdout]  --> src/server.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     fmt::format,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `MessageType`, `RaftState`, and `Raft`
[INFO] [stdout]   --> src/server.rs:10:58
[INFO] [stdout]    |
[INFO] [stdout] 10 |     prelude::{ConfChange, EntryType, HardState, Message, MessageType},
[INFO] [stdout]    |                                                          ^^^^^^^^^^^
[INFO] [stdout] 11 |     storage::MemStorage,
[INFO] [stdout] 12 |     Config, Peer, Raft, RaftState, RawNode, StateRole,
[INFO] [stdout]    |                   ^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `collections::HashMap`
[INFO] [stdout]    --> src/server.rs:308:15
[INFO] [stdout]     |
[INFO] [stdout] 308 |     use std::{collections::HashMap, time::Duration, vec};
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `low`
[INFO] [stdout]   --> src/store.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |         low: u64,
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_low`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `high`
[INFO] [stdout]   --> src/store.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         high: u64,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_high`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max_size`
[INFO] [stdout]   --> src/store.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         max_size: u64,
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]   --> src/store.rs:23:20
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn term(&self, idx: u64) -> raft::Result<u64> {
[INFO] [stdout]    |                    ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `low`
[INFO] [stdout]   --> src/store.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |         low: u64,
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_low`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `high`
[INFO] [stdout]   --> src/store.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         high: u64,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_high`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max_size`
[INFO] [stdout]   --> src/store.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         max_size: u64,
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]   --> src/store.rs:23:20
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn term(&self, idx: u64) -> raft::Result<u64> {
[INFO] [stdout]    |                    ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.77s
[INFO] running `Command { std: "docker" "inspect" "219db2c78ae5e7b77a5f53900da8b6aadc3ecdd120b18e56bf2fc7a987a0d45e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "219db2c78ae5e7b77a5f53900da8b6aadc3ecdd120b18e56bf2fc7a987a0d45e", kill_on_drop: false }`
[INFO] [stdout] 219db2c78ae5e7b77a5f53900da8b6aadc3ecdd120b18e56bf2fc7a987a0d45e