[INFO] cloning repository https://github.com/black-pwq/rust-raft
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/black-pwq/rust-raft" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblack-pwq%2Frust-raft", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblack-pwq%2Frust-raft'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cb4caca4f8850ca5b920db705fc382ea978db548
[INFO] testing black-pwq/rust-raft against master#0d162b25edd5bf0dba9a22e83b614f1113e90474 for pr-150681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblack-pwq%2Frust-raft" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/black-pwq/rust-raft
[INFO] finished tweaking git repo https://github.com/black-pwq/rust-raft
[INFO] tweaked toml for git repo https://github.com/black-pwq/rust-raft written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/black-pwq/rust-raft on toolchain 0d162b25edd5bf0dba9a22e83b614f1113e90474
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/black-pwq/rust-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" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "62b7456efd560ba8049b5a51a959b1d786f0f4c28f3dacdc01d6c176eafcdebc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62b7456efd560ba8049b5a51a959b1d786f0f4c28f3dacdc01d6c176eafcdebc", kill_on_drop: false }`
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[INFO] [stdout] 6105091c7914eb1ab74787164d7402fdeacb454ac06199282d4fb1f957e147db
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[INFO] [stderr]    Compiling tonic-prost-build v0.14.2
[INFO] [stderr]    Compiling rust-raft v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tokio-util v0.7.17
[INFO] [stderr]    Compiling tokio-stream v0.1.17
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[INFO] [stdout] warning: unused imports: `AppendEntriesReply`, `ClientReply`, `ClientRequest`, and `RequestVoteReply`
[INFO] [stdout]   --> src/test_util/network.rs:10:24
[INFO] [stdout]    |
[INFO] [stdout] 10 |     AppendEntriesArgs, AppendEntriesReply, RequestVoteArgs, RequestVoteReply,
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 11 |     proto::{
[INFO] [stdout] 12 |         AppendEntriesArgsPb, AppendEntriesReplyPb, ClientReply, ClientRequest, RequestVoteArgsPb,
[INFO] [stdout]    |                                                    ^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/test_util.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout]  3 | pub mod network;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `client::Grpc`
[INFO] [stdout]   --> src/test_util.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 | use tonic::{client::Grpc, transport::Server};
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/lib.rs:2:1
[INFO] [stdout]    |
[INFO] [stdout]  2 | pub mod test_util;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug` and `error`
[INFO] [stdout]   --> src/test_util.rs:17:15
[INFO] [stdout]    |
[INFO] [stdout] 17 | use tracing::{debug, error, info, warn};
[INFO] [stdout]    |               ^^^^^  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/lib.rs:2:1
[INFO] [stdout]    |
[INFO] [stdout]  2 | pub mod test_util;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RaftService` and `tpanic`
[INFO] [stdout]   --> src/test_util.rs:21:34
[INFO] [stdout]    |
[INFO] [stdout] 21 |         ApplyMsg, Command, Peer, RaftService, core::RaftConfig,
[INFO] [stdout]    |                                  ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     tpanic,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/lib.rs:2:1
[INFO] [stdout]    |
[INFO] [stdout]  2 | pub mod test_util;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/test_util/logger.rs:42:6
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let mut file = OpenOptions::new()
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `n` is never read
[INFO] [stdout]   --> src/test_util/check.rs:10:2
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub struct LogChecker {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 10 |     n: usize,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_rolling_writer` is never used
[INFO] [stdout]   --> src/test_util/logger.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn get_rolling_writer(filename: &str) -> (NonBlocking, WorkerGuard) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 38s
[INFO] running `Command { std: "docker" "inspect" "6105091c7914eb1ab74787164d7402fdeacb454ac06199282d4fb1f957e147db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6105091c7914eb1ab74787164d7402fdeacb454ac06199282d4fb1f957e147db", kill_on_drop: false }`
[INFO] [stdout] 6105091c7914eb1ab74787164d7402fdeacb454ac06199282d4fb1f957e147db
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe608c0222bc59ef09007e753de006cbca9815a475f8504e388a3bdd6ebabc50
[INFO] running `Command { std: "docker" "start" "-a" "fe608c0222bc59ef09007e753de006cbca9815a475f8504e388a3bdd6ebabc50", kill_on_drop: false }`
[INFO] [stdout] warning: unused imports: `AppendEntriesReply`, `ClientReply`, `ClientRequest`, and `RequestVoteReply`
[INFO] [stdout]   --> src/test_util/network.rs:10:24
[INFO] [stdout]    |
[INFO] [stdout] 10 |     AppendEntriesArgs, AppendEntriesReply, RequestVoteArgs, RequestVoteReply,
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 11 |     proto::{
[INFO] [stdout] 12 |         AppendEntriesArgsPb, AppendEntriesReplyPb, ClientReply, ClientRequest, RequestVoteArgsPb,
[INFO] [stdout]    |                                                    ^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/test_util.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout]  3 | pub mod network;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `client::Grpc`
[INFO] [stdout]   --> src/test_util.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 | use tonic::{client::Grpc, transport::Server};
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/lib.rs:2:1
[INFO] [stdout]    |
[INFO] [stdout]  2 | pub mod test_util;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug` and `error`
[INFO] [stdout]   --> src/test_util.rs:17:15
[INFO] [stdout]    |
[INFO] [stdout] 17 | use tracing::{debug, error, info, warn};
[INFO] [stdout]    |               ^^^^^  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/lib.rs:2:1
[INFO] [stdout]    |
[INFO] [stdout]  2 | pub mod test_util;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RaftService` and `tpanic`
[INFO] [stdout]   --> src/test_util.rs:21:34
[INFO] [stdout]    |
[INFO] [stdout] 21 |         ApplyMsg, Command, Peer, RaftService, core::RaftConfig,
[INFO] [stdout]    |                                  ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     tpanic,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/lib.rs:2:1
[INFO] [stdout]    |
[INFO] [stdout]  2 | pub mod test_util;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/test_util/logger.rs:42:6
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let mut file = OpenOptions::new()
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rust-raft v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `n` is never read
[INFO] [stdout]   --> src/test_util/check.rs:10:2
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub struct LogChecker {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 10 |     n: usize,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_rolling_writer` is never used
[INFO] [stdout]   --> src/test_util/logger.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn get_rolling_writer(filename: &str) -> (NonBlocking, WorkerGuard) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tpanic`
[INFO] [stdout]  --> tests/election_tests.rs:4:41
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rust_raft::{test_util::TestHarness, tpanic};
[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: `error`
[INFO] [stdout]  --> tests/election_tests.rs:6:22
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tracing::{debug, error, info, instrument, warn};
[INFO] [stdout]   |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AppendEntriesReply`, `ClientReply`, `ClientRequest`, and `RequestVoteReply`
[INFO] [stdout]   --> src/test_util/network.rs:10:24
[INFO] [stdout]    |
[INFO] [stdout] 10 |     AppendEntriesArgs, AppendEntriesReply, RequestVoteArgs, RequestVoteReply,
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 11 |     proto::{
[INFO] [stdout] 12 |         AppendEntriesArgsPb, AppendEntriesReplyPb, ClientReply, ClientRequest, RequestVoteArgsPb,
[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: `client::Grpc`
[INFO] [stdout]   --> src/test_util.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 | use tonic::{client::Grpc, transport::Server};
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug` and `error`
[INFO] [stdout]   --> src/test_util.rs:17:15
[INFO] [stdout]    |
[INFO] [stdout] 17 | use tracing::{debug, error, info, warn};
[INFO] [stdout]    |               ^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RaftService` and `tpanic`
[INFO] [stdout]   --> src/test_util.rs:21:34
[INFO] [stdout]    |
[INFO] [stdout] 21 |         ApplyMsg, Command, Peer, RaftService, core::RaftConfig,
[INFO] [stdout]    |                                  ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     tpanic,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/test_util/logger.rs:42:6
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let mut file = OpenOptions::new()
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `n` is never read
[INFO] [stdout]   --> src/test_util/check.rs:10:2
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub struct LogChecker {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 10 |     n: usize,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_rolling_writer` is never used
[INFO] [stdout]   --> src/test_util/logger.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn get_rolling_writer(filename: &str) -> (NonBlocking, WorkerGuard) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 15.14s
[INFO] running `Command { std: "docker" "inspect" "fe608c0222bc59ef09007e753de006cbca9815a475f8504e388a3bdd6ebabc50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe608c0222bc59ef09007e753de006cbca9815a475f8504e388a3bdd6ebabc50", kill_on_drop: false }`
[INFO] [stdout] fe608c0222bc59ef09007e753de006cbca9815a475f8504e388a3bdd6ebabc50
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] db1398a0c2b1d0303ae2cba79a228faa7ab3a3cbba8fd9446c1657bb31db64a1
[INFO] running `Command { std: "docker" "start" "-a" "db1398a0c2b1d0303ae2cba79a228faa7ab3a3cbba8fd9446c1657bb31db64a1", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `AppendEntriesReply`, `ClientReply`, `ClientRequest`, and `RequestVoteReply`
[INFO] [stderr]   --> src/test_util/network.rs:10:24
[INFO] [stderr]    |
[INFO] [stderr] 10 |     AppendEntriesArgs, AppendEntriesReply, RequestVoteArgs, RequestVoteReply,
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^                   ^^^^^^^^^^^^^^^^
[INFO] [stderr] 11 |     proto::{
[INFO] [stderr] 12 |         AppendEntriesArgsPb, AppendEntriesReplyPb, ClientReply, ClientRequest, RequestVoteArgsPb,
[INFO] [stderr]    |                                                    ^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stderr]   --> src/test_util.rs:3:1
[INFO] [stderr]    |
[INFO] [stderr]  3 | pub mod network;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `client::Grpc`
[INFO] [stderr]   --> src/test_util.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 | use tonic::{client::Grpc, transport::Server};
[INFO] [stderr]    |             ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stderr]   --> src/lib.rs:2:1
[INFO] [stderr]    |
[INFO] [stderr]  2 | pub mod test_util;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `debug` and `error`
[INFO] [stderr]   --> src/test_util.rs:17:15
[INFO] [stderr]    |
[INFO] [stderr] 17 | use tracing::{debug, error, info, warn};
[INFO] [stderr]    |               ^^^^^  ^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stderr]   --> src/lib.rs:2:1
[INFO] [stderr]    |
[INFO] [stderr]  2 | pub mod test_util;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `RaftService` and `tpanic`
[INFO] [stderr]   --> src/test_util.rs:21:34
[INFO] [stderr]    |
[INFO] [stderr] 21 |         ApplyMsg, Command, Peer, RaftService, core::RaftConfig,
[INFO] [stderr]    |                                  ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 24 |     tpanic,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stderr]   --> src/lib.rs:2:1
[INFO] [stderr]    |
[INFO] [stderr]  2 | pub mod test_util;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/test_util/logger.rs:42:6
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let mut file = OpenOptions::new()
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `n` is never read
[INFO] [stderr]   --> src/test_util/check.rs:10:2
[INFO] [stderr]    |
[INFO] [stderr]  6 | pub struct LogChecker {
[INFO] [stderr]    |            ---------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 10 |     n: usize,
[INFO] [stderr]    |     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_rolling_writer` is never used
[INFO] [stderr]   --> src/test_util/logger.rs:51:4
[INFO] [stderr]    |
[INFO] [stderr] 51 | fn get_rolling_writer(filename: &str) -> (NonBlocking, WorkerGuard) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `AppendEntriesReply`, `ClientReply`, `ClientRequest`, and `RequestVoteReply`
[INFO] [stderr]   --> src/test_util/network.rs:10:24
[INFO] [stderr]    |
[INFO] [stderr] 10 |     AppendEntriesArgs, AppendEntriesReply, RequestVoteArgs, RequestVoteReply,
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^                   ^^^^^^^^^^^^^^^^
[INFO] [stderr] 11 |     proto::{
[INFO] [stderr] 12 |         AppendEntriesArgsPb, AppendEntriesReplyPb, ClientReply, ClientRequest, RequestVoteArgsPb,
[INFO] [stderr]    |                                                    ^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `client::Grpc`
[INFO] [stderr]   --> src/test_util.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 | use tonic::{client::Grpc, transport::Server};
[INFO] [stderr]    |             ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `debug` and `error`
[INFO] [stderr]   --> src/test_util.rs:17:15
[INFO] [stderr]    |
[INFO] [stderr] 17 | use tracing::{debug, error, info, warn};
[INFO] [stderr]    |               ^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `RaftService` and `tpanic`
[INFO] [stderr]   --> src/test_util.rs:21:34
[INFO] [stderr]    |
[INFO] [stderr] 21 |         ApplyMsg, Command, Peer, RaftService, core::RaftConfig,
[INFO] [stderr]    |                                  ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 24 |     tpanic,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-raft` (lib) generated 7 warnings (run `cargo fix --lib -p rust-raft` to apply 5 suggestions)
[INFO] [stderr] warning: `rust-raft` (lib test) generated 7 warnings (3 duplicates) (run `cargo fix --lib -p rust-raft --tests` to apply 4 suggestions)
[INFO] [stderr] warning: unused import: `tpanic`
[INFO] [stderr]  --> tests/election_tests.rs:4:41
[INFO] [stderr]   |
[INFO] [stderr] 4 | use rust_raft::{test_util::TestHarness, tpanic};
[INFO] [stderr]   |                                         ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `error`
[INFO] [stderr]  --> tests/election_tests.rs:6:22
[INFO] [stderr]   |
[INFO] [stderr] 6 | use tracing::{debug, error, info, instrument, warn};
[INFO] [stderr]   |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-raft` (test "election_tests") generated 2 warnings (run `cargo fix --test "election_tests" -p rust-raft` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_raft-1d2e1df1eb5ba18c)
[INFO] [stderr] 
[INFO] [stderr] thread '<unnamed>' (17) panicked at src/test_util/logger.rs:47:10:
[INFO] [stderr] Failed to open log file for truncation: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x570d388fde42 - std[3b51380354919863]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]    1:     0x570d388fde42 - std[3b51380354919863]::backtrace_rs::backtrace::trace_unsynchronized::<std[3b51380354919863]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]    2:     0x570d388fde42 - std[3b51380354919863]::sys::backtrace::_print_fmt
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]    3:     0x570d388fde42 - <<std[3b51380354919863]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[27de1724e4349be2]::fmt::Display>::fmt
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]    4:     0x570d38913a9a - <core[27de1724e4349be2]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]    5:     0x570d38913a9a - core[27de1724e4349be2]::fmt::write
[INFO] [stderr]    6:     0x570d38903ae6 - std[3b51380354919863]::io::default_write_fmt::<std[3b51380354919863]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/io/mod.rs:639:11
[INFO] [stderr]    7:     0x570d38903ae6 - <std[3b51380354919863]::sys::stdio::unix::Stderr as std[3b51380354919863]::io::Write>::write_fmt
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]    8:     0x570d388db62f - <std[3b51380354919863]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]    9:     0x570d388db62f - std[3b51380354919863]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:292:27
[INFO] [stderr]   10:     0x570d388f5d91 - std[3b51380354919863]::panicking::default_hook
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:319:9
[INFO] [stderr]   11:     0x570d388f5f4b - std[3b51380354919863]::panicking::panic_with_hook
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:825:13
[INFO] [stderr]   12:     0x570d388db6e8 - std[3b51380354919863]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:698:13
[INFO] [stderr]   13:     0x570d388d0829 - std[3b51380354919863]::sys::backtrace::__rust_end_short_backtrace::<std[3b51380354919863]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]   14:     0x570d388dc5fd - __rustc[d79c0ace40940972]::rust_begin_unwind
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:689:5
[INFO] [stderr]   15:     0x570d389141dc - core[27de1724e4349be2]::panicking::panic_fmt
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panicking.rs:80:14
[INFO] [stderr]   16:     0x570d38913f52 - core[27de1724e4349be2]::result::unwrap_failed
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/result.rs:1867:5
[INFO] [stderr]   17:     0x570d387ec1be - <core[27de1724e4349be2]::result::Result<std[3b51380354919863]::fs::File, std[3b51380354919863]::io::error::Error>>::expect
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/result.rs:1185:23
[INFO] [stderr]   18:     0x570d387fee89 - rust_raft[e4ba2a1483991d8a]::test_util::logger::get_truncate_writer
[INFO] [stderr]                                at /opt/rustwide/workdir/src/test_util/logger.rs:47:4
[INFO] [stderr]   19:     0x570d387fbb42 - rust_raft[e4ba2a1483991d8a]::test_util::logger::init_test_logger::{closure#0}
[INFO] [stderr]                                at /opt/rustwide/workdir/src/test_util/logger.rs:27:21
[INFO] [stderr]   20:     0x570d387fb6d8 - <std[3b51380354919863]::sync::once::Once>::call_once::<rust_raft[e4ba2a1483991d8a]::test_util::logger::init_test_logger::{closure#0}>::{closure#0}
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sync/once.rs:159:41
[INFO] [stderr]   21:     0x570d388e0b57 - <std[3b51380354919863]::sys::sync::once::futex::Once>::call
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/sync/once/futex.rs:178:21
[INFO] [stderr]   22:     0x570d387f8c36 - <std[3b51380354919863]::sync::once::Once>::call_once::<rust_raft[e4ba2a1483991d8a]::test_util::logger::init_test_logger::{closure#0}>
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sync/once.rs:159:20
[INFO] [stderr]   23:     0x570d387fed94 - rust_raft[e4ba2a1483991d8a]::test_util::logger::init_test_logger
[INFO] [stderr]                                at /opt/rustwide/workdir/src/test_util/logger.rs:14:17
[INFO] [stderr]   24:     0x570d387ffa76 - rust_raft[e4ba2a1483991d8a]::test_util::logger::init_test_logger::f::f
[INFO] [stderr]                                at /opt/rustwide/workdir/src/test_util/logger.rs:12:1
[INFO] [stderr]   25:     0x7008290f9304 - __libc_start_main
[INFO] [stderr]   26:     0x570d387dfc85 - _start
[INFO] [stderr]   27:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] thread '<unnamed>' (17) panicked at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panicking.rs:225:5:
[INFO] [stderr] panic in a function that cannot unwind
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x570d388fde42 - std[3b51380354919863]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]    1:     0x570d388fde42 - std[3b51380354919863]::backtrace_rs::backtrace::trace_unsynchronized::<std[3b51380354919863]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]    2:     0x570d388fde42 - std[3b51380354919863]::sys::backtrace::_print_fmt
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]    3:     0x570d388fde42 - <<std[3b51380354919863]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[27de1724e4349be2]::fmt::Display>::fmt
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]    4:     0x570d38913a9a - <core[27de1724e4349be2]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]    5:     0x570d38913a9a - core[27de1724e4349be2]::fmt::write
[INFO] [stderr]    6:     0x570d38903ae6 - std[3b51380354919863]::io::default_write_fmt::<std[3b51380354919863]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/io/mod.rs:639:11
[INFO] [stderr]    7:     0x570d38903ae6 - <std[3b51380354919863]::sys::stdio::unix::Stderr as std[3b51380354919863]::io::Write>::write_fmt
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]    8:     0x570d388db62f - <std[3b51380354919863]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]    9:     0x570d388db62f - std[3b51380354919863]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:292:27
[INFO] [stderr]   10:     0x570d388f5d91 - std[3b51380354919863]::panicking::default_hook
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:319:9
[INFO] [stderr]   11:     0x570d388f5f4b - std[3b51380354919863]::panicking::panic_with_hook
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:825:13
[INFO] [stderr]   12:     0x570d388db71a - std[3b51380354919863]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:691:13
[INFO] [stderr]   13:     0x570d388d0829 - std[3b51380354919863]::sys::backtrace::__rust_end_short_backtrace::<std[3b51380354919863]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]   14:     0x570d388dc5fd - __rustc[d79c0ace40940972]::rust_begin_unwind
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:689:5
[INFO] [stderr]   15:     0x570d38913ffd - core[27de1724e4349be2]::panicking::panic_nounwind_fmt::runtime
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panicking.rs:122:22
[INFO] [stderr]   16:     0x570d38913ffd - core[27de1724e4349be2]::panicking::panic_nounwind_fmt
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/intrinsics/mod.rs:2431:9
[INFO] [stderr]   17:     0x570d38913f7b - core[27de1724e4349be2]::panicking::panic_nounwind
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panicking.rs:225:5
[INFO] [stderr]   18:     0x570d38914107 - core[27de1724e4349be2]::panicking::panic_cannot_unwind
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panicking.rs:337:5
[INFO] [stderr]   19:     0x570d387ffa7e - rust_raft[e4ba2a1483991d8a]::test_util::logger::init_test_logger::f::f
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ctor-0.6.3/src/macros/mod.rs:469:32
[INFO] [stderr]   20:     0x7008290f9304 - __libc_start_main
[INFO] [stderr]   21:     0x570d387dfc85 - _start
[INFO] [stderr]   22:                0x0 - <unknown>
[INFO] [stderr] thread caused non-unwinding panic. aborting.
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/rust_raft-1d2e1df1eb5ba18c` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "db1398a0c2b1d0303ae2cba79a228faa7ab3a3cbba8fd9446c1657bb31db64a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db1398a0c2b1d0303ae2cba79a228faa7ab3a3cbba8fd9446c1657bb31db64a1", kill_on_drop: false }`
[INFO] [stdout] db1398a0c2b1d0303ae2cba79a228faa7ab3a3cbba8fd9446c1657bb31db64a1
