[INFO] cloning repository https://github.com/skyitachi/raft-example
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/skyitachi/raft-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskyitachi%2Fraft-example"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskyitachi%2Fraft-example'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4e80a2161159c012bc70a842eeddc6f0790c3ae5
[INFO] checking skyitachi/raft-example against master#d939f708d960161d23b964309ba68ff207fc0ead for pr-70087
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskyitachi%2Fraft-example" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/skyitachi/raft-example on toolchain d939f708d960161d23b964309ba68ff207fc0ead
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/skyitachi/raft-example
[INFO] finished tweaking git repo https://github.com/skyitachi/raft-example
[INFO] tweaked toml for git repo https://github.com/skyitachi/raft-example written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/skyitachi/raft-example already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5e3b82889ccb2c02546d048c68efdbdba3ae8df4346c41d5093111db9e493f24
[INFO] running `"docker" "start" "-a" "5e3b82889ccb2c02546d048c68efdbdba3ae8df4346c41d5093111db9e493f24"`
[INFO] [stderr]    Compiling protobuf v2.0.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking slog-scope v4.3.0
[INFO] [stderr]     Checking slog-term v2.5.0
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking slog-stdlog v3.0.5
[INFO] [stderr]     Checking slog-stdlog v4.0.0
[INFO] [stderr]     Checking slog-envlogger v2.2.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling protobuf-codegen v2.0.6
[INFO] [stderr]    Compiling getset v0.0.7
[INFO] [stderr]    Compiling protobuf-build v0.8.0
[INFO] [stderr]    Compiling raft-proto v0.6.0-alpha
[INFO] [stderr]     Checking raft v0.6.0-alpha
[INFO] [stderr]     Checking raft-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `kv_pairs`
[INFO] [stderr]    --> src/main.rs:263:5
[INFO] [stderr]     |
[INFO] [stderr] 263 |     kv_pairs: &mut HashMap<u16, String>,
[INFO] [stderr]     |     ^^^^^^^^ help: consider prefixing with an underscore: `_kv_pairs`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `logger`
[INFO] [stderr]    --> src/main.rs:339:65
[INFO] [stderr]     |
[INFO] [stderr] 339 | fn check_signals(receiver: &Arc<Mutex<mpsc::Receiver<Signal>>>, logger: &slog::Logger) -> bool {
[INFO] [stderr]     |                                                                 ^^^^^^ help: consider prefixing with an underscore: `_logger`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `transfer_leader`
[INFO] [stderr]    --> src/main.rs:204:5
[INFO] [stderr]     |
[INFO] [stderr] 204 |     transfer_leader: Option<u64>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `normal`
[INFO] [stderr]    --> src/main.rs:222:5
[INFO] [stderr]     |
[INFO] [stderr] 222 |     fn normal(key: u16, value: String) -> (Self, Receiver<bool>) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `kv_pairs`
[INFO] [stderr]    --> src/main.rs:263:5
[INFO] [stderr]     |
[INFO] [stderr] 263 |     kv_pairs: &mut HashMap<u16, String>,
[INFO] [stderr]     |     ^^^^^^^^ help: consider prefixing with an underscore: `_kv_pairs`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `logger`
[INFO] [stderr]    --> src/main.rs:339:65
[INFO] [stderr]     |
[INFO] [stderr] 339 | fn check_signals(receiver: &Arc<Mutex<mpsc::Receiver<Signal>>>, logger: &slog::Logger) -> bool {
[INFO] [stderr]     |                                                                 ^^^^^^ help: consider prefixing with an underscore: `_logger`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `transfer_leader`
[INFO] [stderr]    --> src/main.rs:204:5
[INFO] [stderr]     |
[INFO] [stderr] 204 |     transfer_leader: Option<u64>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `normal`
[INFO] [stderr]    --> src/main.rs:222:5
[INFO] [stderr]     |
[INFO] [stderr] 222 |     fn normal(key: u16, value: String) -> (Self, Receiver<bool>) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.17s
[INFO] running `"docker" "inspect" "5e3b82889ccb2c02546d048c68efdbdba3ae8df4346c41d5093111db9e493f24"`
[INFO] running `"docker" "rm" "-f" "5e3b82889ccb2c02546d048c68efdbdba3ae8df4346c41d5093111db9e493f24"`
[INFO] [stdout] 5e3b82889ccb2c02546d048c68efdbdba3ae8df4346c41d5093111db9e493f24