[INFO] cloning repository https://github.com/skyitachi/raft-example
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskyitachi%2Fraft-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4e80a2161159c012bc70a842eeddc6f0790c3ae5
[INFO] testing skyitachi/raft-example against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskyitachi%2Fraft-example" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[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-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/skyitachi/raft-example on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/skyitachi/raft-example 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] [stderr]   Downloaded protobuf v2.0.6
[INFO] [stderr]   Downloaded regex v1.3.5
[INFO] [stderr]   Downloaded protobuf-build v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aab7bebf2909e57887623d16792e0e11ab6af95604cf97f6cab912ed3ee7007b
[INFO] running `Command { std: "docker" "start" "-a" "aab7bebf2909e57887623d16792e0e11ab6af95604cf97f6cab912ed3ee7007b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aab7bebf2909e57887623d16792e0e11ab6af95604cf97f6cab912ed3ee7007b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aab7bebf2909e57887623d16792e0e11ab6af95604cf97f6cab912ed3ee7007b", kill_on_drop: false }`
[INFO] [stdout] aab7bebf2909e57887623d16792e0e11ab6af95604cf97f6cab912ed3ee7007b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] b3b755683e5e852035ca0eaeee60368f36b6a2163072cb794ad031503eaab59a
[INFO] running `Command { std: "docker" "start" "-a" "b3b755683e5e852035ca0eaeee60368f36b6a2163072cb794ad031503eaab59a", kill_on_drop: false }`
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[INFO] [stderr]    Compiling memchr v2.3.3
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[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling getrandom v0.1.14
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[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling arc-swap v0.4.4
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[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling semver v0.9.0
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[INFO] [stderr]    Compiling memoffset v0.5.3
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[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand_chacha v0.2.2
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[INFO] [stderr]    Compiling slog-stdlog v3.0.5
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling slog-stdlog v4.0.0
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling regex v1.3.5
[INFO] [stderr]    Compiling slog-term v2.5.0
[INFO] [stderr]    Compiling protobuf-codegen v2.0.6
[INFO] [stderr]    Compiling slog-envlogger v2.2.0
[INFO] [stderr]    Compiling protobuf-build v0.8.0
[INFO] [stderr]    Compiling getset v0.0.7
[INFO] [stderr]    Compiling raft-proto v0.6.0-alpha
[INFO] [stderr]    Compiling raft v0.6.0-alpha
[INFO] [stderr]    Compiling raft-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `kv_pairs`
[INFO] [stdout]    --> src/main.rs:263:5
[INFO] [stdout]     |
[INFO] [stdout] 263 |     kv_pairs: &mut HashMap<u16, String>,
[INFO] [stdout]     |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_kv_pairs`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `logger`
[INFO] [stdout]    --> src/main.rs:339:65
[INFO] [stdout]     |
[INFO] [stdout] 339 | fn check_signals(receiver: &Arc<Mutex<mpsc::Receiver<Signal>>>, logger: &slog::Logger) -> bool {
[INFO] [stdout]     |                                                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_logger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `transfer_leader` is never read
[INFO] [stdout]    --> src/main.rs:204:5
[INFO] [stdout]     |
[INFO] [stdout] 201 | struct Proposal {
[INFO] [stdout]     |        -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 204 |     transfer_leader: Option<u64>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `normal` is never used
[INFO] [stdout]    --> src/main.rs:222:8
[INFO] [stdout]     |
[INFO] [stdout] 209 | impl Proposal {
[INFO] [stdout]     | ------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 222 |     fn normal(key: u16, value: String) -> (Self, Receiver<bool>) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.79s
[INFO] running `Command { std: "docker" "inspect" "b3b755683e5e852035ca0eaeee60368f36b6a2163072cb794ad031503eaab59a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3b755683e5e852035ca0eaeee60368f36b6a2163072cb794ad031503eaab59a", kill_on_drop: false }`
[INFO] [stdout] b3b755683e5e852035ca0eaeee60368f36b6a2163072cb794ad031503eaab59a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] c1cfc230ca21b6ec7bb2b67ef73afb3cff15cc7026ac4ca4babc9abf1ecc146d
[INFO] running `Command { std: "docker" "start" "-a" "c1cfc230ca21b6ec7bb2b67ef73afb3cff15cc7026ac4ca4babc9abf1ecc146d", kill_on_drop: false }`
[INFO] [stderr]    Compiling raft-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `kv_pairs`
[INFO] [stdout]    --> src/main.rs:263:5
[INFO] [stdout]     |
[INFO] [stdout] 263 |     kv_pairs: &mut HashMap<u16, String>,
[INFO] [stdout]     |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_kv_pairs`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `logger`
[INFO] [stdout]    --> src/main.rs:339:65
[INFO] [stdout]     |
[INFO] [stdout] 339 | fn check_signals(receiver: &Arc<Mutex<mpsc::Receiver<Signal>>>, logger: &slog::Logger) -> bool {
[INFO] [stdout]     |                                                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_logger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `transfer_leader` is never read
[INFO] [stdout]    --> src/main.rs:204:5
[INFO] [stdout]     |
[INFO] [stdout] 201 | struct Proposal {
[INFO] [stdout]     |        -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 204 |     transfer_leader: Option<u64>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `normal` is never used
[INFO] [stdout]    --> src/main.rs:222:8
[INFO] [stdout]     |
[INFO] [stdout] 209 | impl Proposal {
[INFO] [stdout]     | ------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 222 |     fn normal(key: u16, value: String) -> (Self, Receiver<bool>) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "c1cfc230ca21b6ec7bb2b67ef73afb3cff15cc7026ac4ca4babc9abf1ecc146d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1cfc230ca21b6ec7bb2b67ef73afb3cff15cc7026ac4ca4babc9abf1ecc146d", kill_on_drop: false }`
[INFO] [stdout] c1cfc230ca21b6ec7bb2b67ef73afb3cff15cc7026ac4ca4babc9abf1ecc146d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 8e1c502eb6019af3a3ea411db9514bc60de32d1a9109eaa39e708e8c83ffb61e
[INFO] running `Command { std: "docker" "start" "-a" "8e1c502eb6019af3a3ea411db9514bc60de32d1a9109eaa39e708e8c83ffb61e", kill_on_drop: false }`
[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: if this is intentional, prefix it 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: if this is intentional, prefix it with an underscore: `_logger`
[INFO] [stderr] 
[INFO] [stderr] warning: field `transfer_leader` is never read
[INFO] [stderr]    --> src/main.rs:204:5
[INFO] [stderr]     |
[INFO] [stderr] 201 | struct Proposal {
[INFO] [stderr]     |        -------- field in this struct
[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: associated function `normal` is never used
[INFO] [stderr]    --> src/main.rs:222:8
[INFO] [stderr]     |
[INFO] [stderr] 209 | impl Proposal {
[INFO] [stderr]     | ------------- associated function in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 222 |     fn normal(key: u16, value: String) -> (Self, Receiver<bool>) {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `raft-example` (bin "raft-example" test) generated 4 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/raft_example-f2de959a7f665396)
[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" "8e1c502eb6019af3a3ea411db9514bc60de32d1a9109eaa39e708e8c83ffb61e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e1c502eb6019af3a3ea411db9514bc60de32d1a9109eaa39e708e8c83ffb61e", kill_on_drop: false }`
[INFO] [stdout] 8e1c502eb6019af3a3ea411db9514bc60de32d1a9109eaa39e708e8c83ffb61e