[INFO] cloning repository https://github.com/codepr/ruft
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/codepr/ruft" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodepr%2Fruft", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodepr%2Fruft'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4cc04e3173c6181ee6477e1b5092bd7871136b2a
[INFO] testing codepr/ruft against 1.77.0 for beta-1.78-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodepr%2Fruft" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/codepr/ruft on toolchain 1.77.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.77.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/codepr/ruft
[INFO] finished tweaking git repo https://github.com/codepr/ruft
[INFO] tweaked toml for git repo https://github.com/codepr/ruft written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/codepr/ruft 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" "+1.77.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-util v0.6.5
[INFO] [stderr]   Downloaded simplelog v0.10.0
[INFO] [stderr]   Downloaded bincode v1.3.2
[INFO] [stderr]   Downloaded libc v0.2.91
[INFO] [stderr]   Downloaded tokio v1.4.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.77.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5c08dadc9e87ae913eb1114a8e7799634b0b1568e624e71bb5fc49f1bf11457
[INFO] running `Command { std: "docker" "start" "-a" "d5c08dadc9e87ae913eb1114a8e7799634b0b1568e624e71bb5fc49f1bf11457", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5c08dadc9e87ae913eb1114a8e7799634b0b1568e624e71bb5fc49f1bf11457", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5c08dadc9e87ae913eb1114a8e7799634b0b1568e624e71bb5fc49f1bf11457", kill_on_drop: false }`
[INFO] [stdout] d5c08dadc9e87ae913eb1114a8e7799634b0b1568e624e71bb5fc49f1bf11457
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.77.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4414ab403ed1592a6f1fee56fd78e1cb2e87fefbffe997562f904b3389fd0c36
[INFO] running `Command { std: "docker" "start" "-a" "4414ab403ed1592a6f1fee56fd78e1cb2e87fefbffe997562f904b3389fd0c36", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.65
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling futures-core v0.3.13
[INFO] [stderr]    Compiling futures-sink v0.3.13
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling tokio v1.4.0
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling futures-io v0.3.13
[INFO] [stderr]    Compiling futures-task v0.3.13
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling futures-channel v0.3.13
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling async-trait v0.1.48
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling simplelog v0.10.0
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling pin-project-internal v1.0.6
[INFO] [stderr]    Compiling futures-util v0.3.13
[INFO] [stderr]    Compiling pin-project v1.0.6
[INFO] [stderr]    Compiling futures-executor v0.3.13
[INFO] [stderr]    Compiling futures v0.3.13
[INFO] [stderr]    Compiling tokio-stream v0.1.5
[INFO] [stderr]    Compiling tokio-util v0.6.5
[INFO] [stderr]    Compiling tokio-retry v0.3.0
[INFO] [stderr]    Compiling bincode v1.3.2
[INFO] [stderr]    Compiling ruft v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `last_id`
[INFO] [stdout]    --> src/rpc.rs:512:43
[INFO] [stdout]     |
[INFO] [stdout] 512 |         RpcMessage::RequestVote(term, id, last_id, last_log) => {
[INFO] [stdout]     |                                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_id`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_log`
[INFO] [stdout]    --> src/rpc.rs:512:52
[INFO] [stdout]     |
[INFO] [stdout] 512 |         RpcMessage::RequestVote(term, id, last_id, last_log) => {
[INFO] [stdout]     |                                                    ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_log`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `success`
[INFO] [stdout]    --> src/rpc.rs:351:69
[INFO] [stdout]     |
[INFO] [stdout] 351 |                         if let RpcMessage::AppendEntriesReply(term, success) = re {
[INFO] [stdout]     |                                                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_success`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `peers_number` is never used
[INFO] [stdout]    --> src/rpc.rs:248:12
[INFO] [stdout]     |
[INFO] [stdout] 235 | impl TokioRpcClient {
[INFO] [stdout]     | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 248 |     pub fn peers_number(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `term` and `command` are never read
[INFO] [stdout]   --> src/rpc.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     struct LogEntry {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 37 |         // Current term of the command being issued
[INFO] [stdout] 38 |         term: i32,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 39 |         // The actual command to be applied to the state machine
[INFO] [stdout] 40 |         command: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.32s
[INFO] running `Command { std: "docker" "inspect" "4414ab403ed1592a6f1fee56fd78e1cb2e87fefbffe997562f904b3389fd0c36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4414ab403ed1592a6f1fee56fd78e1cb2e87fefbffe997562f904b3389fd0c36", kill_on_drop: false }`
[INFO] [stdout] 4414ab403ed1592a6f1fee56fd78e1cb2e87fefbffe997562f904b3389fd0c36
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.77.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20e271e284c6142ae04641335ed3661833ee3b71cef31e967ba7fbba674dd2aa
[INFO] running `Command { std: "docker" "start" "-a" "20e271e284c6142ae04641335ed3661833ee3b71cef31e967ba7fbba674dd2aa", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `last_id`
[INFO] [stdout]    --> src/rpc.rs:512:43
[INFO] [stdout]     |
[INFO] [stdout] 512 |         RpcMessage::RequestVote(term, id, last_id, last_log) => {
[INFO] [stdout]     |                                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_id`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_log`
[INFO] [stdout]    --> src/rpc.rs:512:52
[INFO] [stdout]     |
[INFO] [stdout] 512 |         RpcMessage::RequestVote(term, id, last_id, last_log) => {
[INFO] [stdout]     |                                                    ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_log`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `success`
[INFO] [stdout]    --> src/rpc.rs:351:69
[INFO] [stdout]     |
[INFO] [stdout] 351 |                         if let RpcMessage::AppendEntriesReply(term, success) = re {
[INFO] [stdout]     |                                                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_success`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `peers_number` is never used
[INFO] [stdout]    --> src/rpc.rs:248:12
[INFO] [stdout]     |
[INFO] [stdout] 235 | impl TokioRpcClient {
[INFO] [stdout]     | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 248 |     pub fn peers_number(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ruft v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `term` and `command` are never read
[INFO] [stdout]   --> src/rpc.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     struct LogEntry {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 37 |         // Current term of the command being issued
[INFO] [stdout] 38 |         term: i32,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 39 |         // The actual command to be applied to the state machine
[INFO] [stdout] 40 |         command: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_id`
[INFO] [stdout]    --> src/rpc.rs:512:43
[INFO] [stdout]     |
[INFO] [stdout] 512 |         RpcMessage::RequestVote(term, id, last_id, last_log) => {
[INFO] [stdout]     |                                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_id`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_log`
[INFO] [stdout]    --> src/rpc.rs:512:52
[INFO] [stdout]     |
[INFO] [stdout] 512 |         RpcMessage::RequestVote(term, id, last_id, last_log) => {
[INFO] [stdout]     |                                                    ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_log`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `success`
[INFO] [stdout]    --> src/rpc.rs:351:69
[INFO] [stdout]     |
[INFO] [stdout] 351 |                         if let RpcMessage::AppendEntriesReply(term, success) = re {
[INFO] [stdout]     |                                                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_success`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `peers_number` is never used
[INFO] [stdout]    --> src/rpc.rs:248:12
[INFO] [stdout]     |
[INFO] [stdout] 235 | impl TokioRpcClient {
[INFO] [stdout]     | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 248 |     pub fn peers_number(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `term` and `command` are never read
[INFO] [stdout]   --> src/rpc.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     struct LogEntry {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 37 |         // Current term of the command being issued
[INFO] [stdout] 38 |         term: i32,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 39 |         // The actual command to be applied to the state machine
[INFO] [stdout] 40 |         command: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "20e271e284c6142ae04641335ed3661833ee3b71cef31e967ba7fbba674dd2aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20e271e284c6142ae04641335ed3661833ee3b71cef31e967ba7fbba674dd2aa", kill_on_drop: false }`
[INFO] [stdout] 20e271e284c6142ae04641335ed3661833ee3b71cef31e967ba7fbba674dd2aa
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.77.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6a6272e0177fd123e311b326ee8231fcfe2961abc1a7ac7f18c8754ab56a26fa
[INFO] running `Command { std: "docker" "start" "-a" "6a6272e0177fd123e311b326ee8231fcfe2961abc1a7ac7f18c8754ab56a26fa", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `last_id`
[INFO] [stderr]    --> src/rpc.rs:512:43
[INFO] [stderr]     |
[INFO] [stderr] 512 |         RpcMessage::RequestVote(term, id, last_id, last_log) => {
[INFO] [stderr]     |                                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_id`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `last_log`
[INFO] [stderr]    --> src/rpc.rs:512:52
[INFO] [stderr]     |
[INFO] [stderr] 512 |         RpcMessage::RequestVote(term, id, last_id, last_log) => {
[INFO] [stderr]     |                                                    ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_log`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `success`
[INFO] [stderr]    --> src/rpc.rs:351:69
[INFO] [stderr]     |
[INFO] [stderr] 351 |                         if let RpcMessage::AppendEntriesReply(term, success) = re {
[INFO] [stderr]     |                                                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_success`
[INFO] [stderr] 
[INFO] [stderr] warning: method `peers_number` is never used
[INFO] [stderr]    --> src/rpc.rs:248:12
[INFO] [stderr]     |
[INFO] [stderr] 235 | impl TokioRpcClient {
[INFO] [stderr]     | ------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 248 |     pub fn peers_number(&self) -> usize {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `term` and `command` are never read
[INFO] [stderr]   --> src/rpc.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |     struct LogEntry {
[INFO] [stderr]    |            -------- fields in this struct
[INFO] [stderr] 37 |         // Current term of the command being issued
[INFO] [stderr] 38 |         term: i32,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr] 39 |         // The actual command to be applied to the state machine
[INFO] [stderr] 40 |         command: String,
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `ruft` (lib) generated 5 warnings (run `cargo fix --lib -p ruft` to apply 3 suggestions)
[INFO] [stderr] warning: `ruft` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ruft-014b72b938605092)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ruft-5267a5b95c835c79)
[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] [stderr]    Doc-tests ruft
[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" "6a6272e0177fd123e311b326ee8231fcfe2961abc1a7ac7f18c8754ab56a26fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a6272e0177fd123e311b326ee8231fcfe2961abc1a7ac7f18c8754ab56a26fa", kill_on_drop: false }`
[INFO] [stdout] 6a6272e0177fd123e311b326ee8231fcfe2961abc1a7ac7f18c8754ab56a26fa