[INFO] cloning repository https://github.com/daimaou92/ruft
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/daimaou92/ruft" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaimaou92%2Fruft", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaimaou92%2Fruft'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8136fed5dd5c45c939814a4c96c752fbf201a1f5
[INFO] checking daimaou92/ruft against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaimaou92%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/daimaou92/ruft on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/daimaou92/ruft
[INFO] finished tweaking git repo https://github.com/daimaou92/ruft
[INFO] tweaked toml for git repo https://github.com/daimaou92/ruft written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/daimaou92/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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tarpc v0.28.0
[INFO] [stderr]   Downloaded tracing-opentelemetry v0.17.2
[INFO] [stderr]   Downloaded clap v3.1.9
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 59ff09e078aef488598687c2fa67d3b4848d773e388a912becb22f88b17f7ba8
[INFO] running `Command { std: "docker" "start" "-a" "59ff09e078aef488598687c2fa67d3b4848d773e388a912becb22f88b17f7ba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59ff09e078aef488598687c2fa67d3b4848d773e388a912becb22f88b17f7ba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59ff09e078aef488598687c2fa67d3b4848d773e388a912becb22f88b17f7ba8", kill_on_drop: false }`
[INFO] [stdout] 59ff09e078aef488598687c2fa67d3b4848d773e388a912becb22f88b17f7ba8
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eeebb6131cb814ed9515134ea9f16d5b83a6a08a094ec5a365d47ad57766d10e
[INFO] running `Command { std: "docker" "start" "-a" "eeebb6131cb814ed9515134ea9f16d5b83a6a08a094ec5a365d47ad57766d10e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling num-traits v0.2.14
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[INFO] [stderr]    Compiling serde v1.0.136
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[INFO] [stderr]    Compiling serde_json v1.0.79
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[INFO] [stderr]     Checking ryu v1.0.9
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[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling enum-ordinalize v3.1.11
[INFO] [stderr]    Compiling tokio-macros v1.7.0
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[INFO] [stderr]     Checking tokio v1.17.0
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[INFO] [stderr]     Checking ruft v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Ready` and `io::Read`
[INFO] [stdout]  --> src/main.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 |     future::{self, Ready},
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout] 5 |     io::Read,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Matches`
[INFO] [stdout]   --> src/main.rs:12:20
[INFO] [stdout]    |
[INFO] [stdout] 12 |     str::{FromStr, Matches},
[INFO] [stdout]    |                    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `time`
[INFO] [stdout]   --> src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     time,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Ready` and `io::Read`
[INFO] [stdout]  --> src/main.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 |     future::{self, Ready},
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout] 5 |     io::Read,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Matches`
[INFO] [stdout]   --> src/main.rs:12:20
[INFO] [stdout]    |
[INFO] [stdout] 12 |     str::{FromStr, Matches},
[INFO] [stdout]    |                    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `time`
[INFO] [stdout]   --> src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     time,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/main.rs:171:24
[INFO] [stdout]     |
[INFO] [stdout] 171 |             Some(x) => (e.candidate_id == *x),
[INFO] [stdout]     |                        ^                    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 171 -             Some(x) => (e.candidate_id == *x),
[INFO] [stdout] 171 +             Some(x) => e.candidate_id == *x,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/main.rs:171:24
[INFO] [stdout]     |
[INFO] [stdout] 171 |             Some(x) => (e.candidate_id == *x),
[INFO] [stdout]     |                        ^                    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 171 -             Some(x) => (e.candidate_id == *x),
[INFO] [stdout] 171 +             Some(x) => e.candidate_id == *x,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `term` is never read
[INFO] [stdout]    --> src/main.rs:392:17
[INFO] [stdout]     |
[INFO] [stdout] 392 |         let mut term = 0;
[INFO] [stdout]     |                 ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `term` is never read
[INFO] [stdout]    --> src/main.rs:392:17
[INFO] [stdout]     |
[INFO] [stdout] 392 |         let mut term = 0;
[INFO] [stdout]     |                 ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `last_applied` is never read
[INFO] [stdout]    --> src/main.rs:393:17
[INFO] [stdout]     |
[INFO] [stdout] 393 |         let mut last_applied = 0;
[INFO] [stdout]     |                 ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `last_applied` is never read
[INFO] [stdout]    --> src/main.rs:393:17
[INFO] [stdout]     |
[INFO] [stdout] 393 |         let mut last_applied = 0;
[INFO] [stdout]     |                 ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `node_id` is never read
[INFO] [stdout]    --> src/main.rs:394:17
[INFO] [stdout]     |
[INFO] [stdout] 394 |         let mut node_id = NodeID::default();
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `node_id` is never read
[INFO] [stdout]    --> src/main.rs:394:17
[INFO] [stdout]     |
[INFO] [stdout] 394 |         let mut node_id = NodeID::default();
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `self_id` is never read
[INFO] [stdout]    --> src/main.rs:412:17
[INFO] [stdout]     |
[INFO] [stdout] 412 |         let mut self_id = NodeID::default();
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `self_id` is never read
[INFO] [stdout]    --> src/main.rs:412:17
[INFO] [stdout]     |
[INFO] [stdout] 412 |         let mut self_id = NodeID::default();
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `d` is never read
[INFO] [stdout]    --> src/main.rs:514:17
[INFO] [stdout]     |
[INFO] [stdout] 514 |         let mut d = Duration::from_secs(0);
[INFO] [stdout]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `d` is never read
[INFO] [stdout]    --> src/main.rs:514:17
[INFO] [stdout]     |
[INFO] [stdout] 514 |         let mut d = Duration::from_secs(0);
[INFO] [stdout]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `d` is never read
[INFO] [stdout]    --> src/main.rs:541:17
[INFO] [stdout]     |
[INFO] [stdout] 541 |         let mut d = Duration::from_secs(0);
[INFO] [stdout]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `d` is never read
[INFO] [stdout]    --> src/main.rs:541:17
[INFO] [stdout]     |
[INFO] [stdout] 541 |         let mut d = Duration::from_secs(0);
[INFO] [stdout]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `self_id` is never read
[INFO] [stdout]    --> src/main.rs:601:13
[INFO] [stdout]     |
[INFO] [stdout] 601 |     let mut self_id = NodeID::default();
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `self_id` is never read
[INFO] [stdout]    --> src/main.rs:601:13
[INFO] [stdout]     |
[INFO] [stdout] 601 |     let mut self_id = NodeID::default();
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ElectionResult` is never constructed
[INFO] [stdout]   --> src/main.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 88 | struct ElectionResult {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/main.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 93 | impl ElectionResult {
[INFO] [stdout]    | ------------------- associated function in this implementation
[INFO] [stdout] 94 |     fn new(election: Arc<Election>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ElectionResult` is never constructed
[INFO] [stdout]   --> src/main.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 88 | struct ElectionResult {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/main.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 93 | impl ElectionResult {
[INFO] [stdout]    | ------------------- associated function in this implementation
[INFO] [stdout] 94 |     fn new(election: Arc<Election>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `leader` is never read
[INFO] [stdout]    --> src/main.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 103 | struct Cluster {
[INFO] [stdout]     |        ------- field in this struct
[INFO] [stdout] 104 |     members: HashSet<NodeID>,
[INFO] [stdout] 105 |     leader: NodeID,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Cluster` has derived impls for the traits `Default`, `Clone`, and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `leader` is never read
[INFO] [stdout]    --> src/main.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 103 | struct Cluster {
[INFO] [stdout]     |        ------- field in this struct
[INFO] [stdout] 104 |     members: HashSet<NodeID>,
[INFO] [stdout] 105 |     leader: NodeID,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Cluster` has derived impls for the traits `Default`, `Clone`, and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `leader` and `cluster` are never read
[INFO] [stdout]    --> src/main.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 110 | struct Node {
[INFO] [stdout]     |        ---- fields in this struct
[INFO] [stdout] 111 |     id: NodeID,
[INFO] [stdout] 112 |     leader: NodeID,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 113 |     cluster: Arc<Cluster>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Node` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `cluster` is never read
[INFO] [stdout]    --> src/main.rs:259:5
[INFO] [stdout]     |
[INFO] [stdout] 257 | struct NodeServer {
[INFO] [stdout]     |        ---------- field in this struct
[INFO] [stdout] 258 |     node: Arc<RwLock<Node>>,
[INFO] [stdout] 259 |     cluster: Arc<Cluster>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `NodeServer` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `leader` and `cluster` are never read
[INFO] [stdout]    --> src/main.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 110 | struct Node {
[INFO] [stdout]     |        ---- fields in this struct
[INFO] [stdout] 111 |     id: NodeID,
[INFO] [stdout] 112 |     leader: NodeID,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 113 |     cluster: Arc<Cluster>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Node` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `cluster` is never read
[INFO] [stdout]    --> src/main.rs:259:5
[INFO] [stdout]     |
[INFO] [stdout] 257 | struct NodeServer {
[INFO] [stdout]     |        ---------- field in this struct
[INFO] [stdout] 258 |     node: Arc<RwLock<Node>>,
[INFO] [stdout] 259 |     cluster: Arc<Cluster>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `NodeServer` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.65s
[INFO] running `Command { std: "docker" "inspect" "eeebb6131cb814ed9515134ea9f16d5b83a6a08a094ec5a365d47ad57766d10e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeebb6131cb814ed9515134ea9f16d5b83a6a08a094ec5a365d47ad57766d10e", kill_on_drop: false }`
[INFO] [stdout] eeebb6131cb814ed9515134ea9f16d5b83a6a08a094ec5a365d47ad57766d10e
[INFO] checking daimaou92/ruft against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaimaou92%2Fruft" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/daimaou92/ruft on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/daimaou92/ruft
[INFO] finished tweaking git repo https://github.com/daimaou92/ruft
[INFO] tweaked toml for git repo https://github.com/daimaou92/ruft written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/daimaou92/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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d0934c9acd6a38186d2bbcccfd84b7fa16bf6e327b7791455099602d0bbad41
[INFO] running `Command { std: "docker" "start" "-a" "7d0934c9acd6a38186d2bbcccfd84b7fa16bf6e327b7791455099602d0bbad41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d0934c9acd6a38186d2bbcccfd84b7fa16bf6e327b7791455099602d0bbad41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d0934c9acd6a38186d2bbcccfd84b7fa16bf6e327b7791455099602d0bbad41", kill_on_drop: false }`
[INFO] [stdout] 7d0934c9acd6a38186d2bbcccfd84b7fa16bf6e327b7791455099602d0bbad41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d38548fd4e08e8b8943114deebbd01968c0a6bb07592fc9e69a7b571a88b4a88
[INFO] running `Command { std: "docker" "start" "-a" "d38548fd4e08e8b8943114deebbd01968c0a6bb07592fc9e69a7b571a88b4a88", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking tracing-core v0.1.26
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking clap_lex v0.1.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking mio v0.8.2
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking tracing-subscriber v0.3.11
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling enum-ordinalize v3.1.11
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.20
[INFO] [stderr]    Compiling clap_derive v3.1.7
[INFO] [stderr]    Compiling tarpc-plugins v0.12.0
[INFO] [stderr]    Compiling educe v0.4.19
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]     Checking futures-util v0.3.21
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking tracing v0.1.34
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking clap v3.1.9
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking opentelemetry v0.17.0
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking tracing-opentelemetry v0.17.2
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking tokio-serde v0.8.0
[INFO] [stderr]     Checking tarpc v0.28.0
[INFO] [stderr]     Checking ruft v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Ready` and `io::Read`
[INFO] [stdout]  --> src/main.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 |     future::{self, Ready},
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout] 5 |     io::Read,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Matches`
[INFO] [stdout]   --> src/main.rs:12:20
[INFO] [stdout]    |
[INFO] [stdout] 12 |     str::{FromStr, Matches},
[INFO] [stdout]    |                    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `time`
[INFO] [stdout]   --> src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     time,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/main.rs:171:24
[INFO] [stdout]     |
[INFO] [stdout] 171 |             Some(x) => (e.candidate_id == *x),
[INFO] [stdout]     |                        ^                    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 171 -             Some(x) => (e.candidate_id == *x),
[INFO] [stdout] 171 +             Some(x) => e.candidate_id == *x,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Ready` and `io::Read`
[INFO] [stdout]  --> src/main.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 |     future::{self, Ready},
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout] 5 |     io::Read,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Matches`
[INFO] [stdout]   --> src/main.rs:12:20
[INFO] [stdout]    |
[INFO] [stdout] 12 |     str::{FromStr, Matches},
[INFO] [stdout]    |                    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `time`
[INFO] [stdout]   --> src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     time,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/main.rs:171:24
[INFO] [stdout]     |
[INFO] [stdout] 171 |             Some(x) => (e.candidate_id == *x),
[INFO] [stdout]     |                        ^                    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 171 -             Some(x) => (e.candidate_id == *x),
[INFO] [stdout] 171 +             Some(x) => e.candidate_id == *x,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `term` is never read
[INFO] [stdout]    --> src/main.rs:392:17
[INFO] [stdout]     |
[INFO] [stdout] 392 |         let mut term = 0;
[INFO] [stdout]     |                 ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `last_applied` is never read
[INFO] [stdout]    --> src/main.rs:393:17
[INFO] [stdout]     |
[INFO] [stdout] 393 |         let mut last_applied = 0;
[INFO] [stdout]     |                 ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `node_id` is never read
[INFO] [stdout]    --> src/main.rs:394:17
[INFO] [stdout]     |
[INFO] [stdout] 394 |         let mut node_id = NodeID::default();
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `term` is never read
[INFO] [stdout]    --> src/main.rs:392:17
[INFO] [stdout]     |
[INFO] [stdout] 392 |         let mut term = 0;
[INFO] [stdout]     |                 ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `last_applied` is never read
[INFO] [stdout]    --> src/main.rs:393:17
[INFO] [stdout]     |
[INFO] [stdout] 393 |         let mut last_applied = 0;
[INFO] [stdout]     |                 ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `node_id` is never read
[INFO] [stdout]    --> src/main.rs:394:17
[INFO] [stdout]     |
[INFO] [stdout] 394 |         let mut node_id = NodeID::default();
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `self_id` is never read
[INFO] [stdout]    --> src/main.rs:412:17
[INFO] [stdout]     |
[INFO] [stdout] 412 |         let mut self_id = NodeID::default();
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `self_id` is never read
[INFO] [stdout]    --> src/main.rs:412:17
[INFO] [stdout]     |
[INFO] [stdout] 412 |         let mut self_id = NodeID::default();
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `d` is never read
[INFO] [stdout]    --> src/main.rs:514:17
[INFO] [stdout]     |
[INFO] [stdout] 514 |         let mut d = Duration::from_secs(0);
[INFO] [stdout]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `d` is never read
[INFO] [stdout]    --> src/main.rs:541:17
[INFO] [stdout]     |
[INFO] [stdout] 541 |         let mut d = Duration::from_secs(0);
[INFO] [stdout]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `self_id` is never read
[INFO] [stdout]    --> src/main.rs:601:13
[INFO] [stdout]     |
[INFO] [stdout] 601 |     let mut self_id = NodeID::default();
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `d` is never read
[INFO] [stdout]    --> src/main.rs:514:17
[INFO] [stdout]     |
[INFO] [stdout] 514 |         let mut d = Duration::from_secs(0);
[INFO] [stdout]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `d` is never read
[INFO] [stdout]    --> src/main.rs:541:17
[INFO] [stdout]     |
[INFO] [stdout] 541 |         let mut d = Duration::from_secs(0);
[INFO] [stdout]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `self_id` is never read
[INFO] [stdout]    --> src/main.rs:601:13
[INFO] [stdout]     |
[INFO] [stdout] 601 |     let mut self_id = NodeID::default();
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ElectionResult` is never constructed
[INFO] [stdout]   --> src/main.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 88 | struct ElectionResult {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/main.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 93 | impl ElectionResult {
[INFO] [stdout]    | ------------------- associated function in this implementation
[INFO] [stdout] 94 |     fn new(election: Arc<Election>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `leader` is never read
[INFO] [stdout]    --> src/main.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 103 | struct Cluster {
[INFO] [stdout]     |        ------- field in this struct
[INFO] [stdout] 104 |     members: HashSet<NodeID>,
[INFO] [stdout] 105 |     leader: NodeID,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Cluster` has derived impls for the traits `Default`, `Clone`, and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `leader` and `cluster` are never read
[INFO] [stdout]    --> src/main.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 110 | struct Node {
[INFO] [stdout]     |        ---- fields in this struct
[INFO] [stdout] 111 |     id: NodeID,
[INFO] [stdout] 112 |     leader: NodeID,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 113 |     cluster: Arc<Cluster>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Node` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `cluster` is never read
[INFO] [stdout]    --> src/main.rs:259:5
[INFO] [stdout]     |
[INFO] [stdout] 257 | struct NodeServer {
[INFO] [stdout]     |        ---------- field in this struct
[INFO] [stdout] 258 |     node: Arc<RwLock<Node>>,
[INFO] [stdout] 259 |     cluster: Arc<Cluster>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `NodeServer` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ElectionResult` is never constructed
[INFO] [stdout]   --> src/main.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 88 | struct ElectionResult {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/main.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 93 | impl ElectionResult {
[INFO] [stdout]    | ------------------- associated function in this implementation
[INFO] [stdout] 94 |     fn new(election: Arc<Election>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `leader` is never read
[INFO] [stdout]    --> src/main.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 103 | struct Cluster {
[INFO] [stdout]     |        ------- field in this struct
[INFO] [stdout] 104 |     members: HashSet<NodeID>,
[INFO] [stdout] 105 |     leader: NodeID,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Cluster` has derived impls for the traits `Default`, `Clone`, and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `leader` and `cluster` are never read
[INFO] [stdout]    --> src/main.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 110 | struct Node {
[INFO] [stdout]     |        ---- fields in this struct
[INFO] [stdout] 111 |     id: NodeID,
[INFO] [stdout] 112 |     leader: NodeID,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 113 |     cluster: Arc<Cluster>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Node` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `cluster` is never read
[INFO] [stdout]    --> src/main.rs:259:5
[INFO] [stdout]     |
[INFO] [stdout] 257 | struct NodeServer {
[INFO] [stdout]     |        ---------- field in this struct
[INFO] [stdout] 258 |     node: Arc<RwLock<Node>>,
[INFO] [stdout] 259 |     cluster: Arc<Cluster>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `NodeServer` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.96s
[INFO] running `Command { std: "docker" "inspect" "d38548fd4e08e8b8943114deebbd01968c0a6bb07592fc9e69a7b571a88b4a88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d38548fd4e08e8b8943114deebbd01968c0a6bb07592fc9e69a7b571a88b4a88", kill_on_drop: false }`
[INFO] [stdout] d38548fd4e08e8b8943114deebbd01968c0a6bb07592fc9e69a7b571a88b4a88