[INFO] cloning repository https://github.com/Khanh-21522203/RsDragonflyDB
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Khanh-21522203/RsDragonflyDB" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKhanh-21522203%2FRsDragonflyDB", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b28973a4f7fb4e35f0df13ddb4f0ee4e0f2fc2c9
[INFO] testing Khanh-21522203/RsDragonflyDB against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKhanh-21522203%2FRsDragonflyDB" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Khanh-21522203/RsDragonflyDB
[INFO] finished tweaking git repo https://github.com/Khanh-21522203/RsDragonflyDB
[INFO] tweaked toml for git repo https://github.com/Khanh-21522203/RsDragonflyDB written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Khanh-21522203/RsDragonflyDB on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Khanh-21522203/RsDragonflyDB 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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `Cursor`
[INFO] [stdout]  --> src/shard/persistence/format.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, Read, Write, Cursor};
[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 variable: `latency`
[INFO] [stdout]    --> src/shard/shard.rs:273:34
[INFO] [stdout]     |
[INFO] [stdout] 273 |     pub fn record_command(&self, latency: Duration) {
[INFO] [stdout]     |                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_latency`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `now`
[INFO] [stdout]   --> src/shard/snapshot/deserialize.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let now = Instant::now();
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]  --> src/common/mod.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn add(left: u64, right: u64) -> u64 {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/common/shard_id.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl ShardId {
[INFO] [stdout]   | ------------ associated function in this implementation
[INFO] [stdout] 7 |     pub fn new(id: u16) -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FRONTEND_THREADS` is never used
[INFO] [stdout]  --> src/common/constants.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const FRONTEND_THREADS: usize = 4;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SNAPSHOT_TIMEOUT_SECS` is never used
[INFO] [stdout]   --> src/common/constants.rs:23:11
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub const SNAPSHOT_TIMEOUT_SECS: u64 = 30;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ThreadType` is never used
[INFO] [stdout]  --> src/common/threads.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum ThreadType {
[INFO] [stdout]   |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `name` is never used
[INFO] [stdout]   --> src/common/threads.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl ThreadType {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] 14 |     pub fn name(&self) -> String {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `spawn_thread` is never used
[INFO] [stdout]   --> src/common/threads.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn spawn_thread<F, T>(thread_type: ThreadType, f: F) -> JoinHandle<T>
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unix_timestamp_to_instant` is never used
[INFO] [stdout]   --> src/common/time.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn unix_timestamp_to_instant(timestamp: u64) -> Instant {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]  --> src/protocol/mod.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn add(left: u64, right: u64) -> u64 {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/protocol/parser.rs:9:17
[INFO] [stdout]   |
[INFO] [stdout] 9 |     InvalidType(u8),
[INFO] [stdout]   |     ----------- ^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 9 -     InvalidType(u8),
[INFO] [stdout] 9 +     InvalidType(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ResponseReceiver` is never used
[INFO] [stdout]   --> src/protocol/channels.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub type ResponseReceiver = oneshot::Receiver<Response>;
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `response_channel` is never used
[INFO] [stdout]   --> src/protocol/channels.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn response_channel() -> (ResponseSender, ResponseReceiver) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `ok` and `error` are never used
[INFO] [stdout]   --> src/protocol/response.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Response {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 12 |     pub fn ok() -> Self {
[INFO] [stdout]    |            ^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn error(msg: impl Into<String>) -> Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `ok`, `pong`, `null`, and `error` are never used
[INFO] [stdout]   --> src/protocol/resp.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl RespValue {
[INFO] [stdout]    | -------------- associated functions in this implementation
[INFO] [stdout] 11 |     pub fn ok() -> Self {
[INFO] [stdout]    |            ^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn pong() -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn null() -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn error(msg: impl Into<String>) -> Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/protocol/command.rs:167:20
[INFO] [stdout]     |
[INFO] [stdout] 167 |     UnknownCommand(String),
[INFO] [stdout]     |     -------------- ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CommandError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 167 -     UnknownCommand(String),
[INFO] [stdout] 167 +     UnknownCommand(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]  --> src/shard/mod.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn add(left: u64, right: u64) -> u64 {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `metadata` is never read
[INFO] [stdout]  --> src/shard/entry.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Entry {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 8 |     pub metadata: Metadata,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `created_at`, `last_accessed`, and `access_count` are never read
[INFO] [stdout]   --> src/shard/entry.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Metadata {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 12 |     pub created_at: Instant,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 13 |     pub last_accessed: Instant,  // For LRU eviction (future)
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 14 |     pub access_count: u64,        // For LFU eviction (future)
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `size_bytes` is never used
[INFO] [stdout]   --> src/shard/entry.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Entry {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn size_bytes(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `snapshots_skipped` and `queue_depth` are never read
[INFO] [stdout]    --> src/shard/shard.rs:250:9
[INFO] [stdout]     |
[INFO] [stdout] 246 | pub struct ShardMetrics {
[INFO] [stdout]     |            ------------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 250 |     pub snapshots_skipped: AtomicU64,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 254 |     pub queue_depth: AtomicUsize,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `load_snapshot` is never used
[INFO] [stdout]  --> src/shard/snapshot/loader.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn load_snapshot(snapshot_dir: &PathBuf, shard_id: ShardId) -> Result<Shard, SnapshotError> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CRC64` is never used
[INFO] [stdout]   --> src/shard/snapshot/deserialize.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const CRC64: Crc<u64> = Crc::<u64>::new(&CRC_64_ECMA_182);
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `deserialize_snapshot` is never used
[INFO] [stdout]   --> src/shard/snapshot/deserialize.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn deserialize_snapshot(data: &[u8]) -> Result<Shard, SnapshotError> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SnapshotError` is never used
[INFO] [stdout]    --> src/shard/snapshot/deserialize.rs:104:10
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub enum SnapshotError {
[INFO] [stdout]     |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `read` is never used
[INFO] [stdout]   --> src/shard/persistence/format.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl SnapshotHeader {
[INFO] [stdout]    | ------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn read<R: Read>(reader: &mut R) -> io::Result<Self> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]  --> src/frontend/mod.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn add(left: u64, right: u64) -> u64 {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `acceptor_thread` is never used
[INFO] [stdout]  --> src/frontend/acceptor.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub async fn acceptor_thread(
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SHARD_TIMEOUT` is never used
[INFO] [stdout]   --> src/frontend/multi_key.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const SHARD_TIMEOUT: Duration = Duration::from_millis(500);
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SEND_TIMEOUT` is never used
[INFO] [stdout]   --> src/frontend/multi_key.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const SEND_TIMEOUT: Duration = Duration::from_millis(100);
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MultiKeyExecutor` is never constructed
[INFO] [stdout]   --> src/frontend/multi_key.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct MultiKeyExecutor {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `execute_del` are never used
[INFO] [stdout]   --> src/frontend/multi_key.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl MultiKeyExecutor {
[INFO] [stdout]    | --------------------- associated items in this implementation
[INFO] [stdout] 20 |     pub fn new(shard_channels: Vec<CommandSender>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub async fn execute_del(&self, keys: Vec<Key>) -> MultiKeyResult {
[INFO] [stdout]    |                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `MultiKeyResult` is never used
[INFO] [stdout]  --> src/frontend/error_handling.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum MultiKeyResult {
[INFO] [stdout]   |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_response` is never used
[INFO] [stdout]   --> src/frontend/error_handling.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl MultiKeyResult {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] 15 |     pub fn to_response(self) -> Response {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]  --> src/observability/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn add(left: u64, right: u64) -> u64 {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `commands_total` and `command_errors_total` are never read
[INFO] [stdout]   --> src/observability/metrics.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub struct GlobalMetrics {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 10 |     pub commands_total: AtomicU64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 11 |     pub command_errors_total: AtomicU64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `aggregate_shard_metrics` is never used
[INFO] [stdout]   --> src/observability/metrics.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn aggregate_shard_metrics(shards: &[Arc<ShardMetrics>]) -> AggregatedMetrics {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AggregatedMetrics` is never constructed
[INFO] [stdout]   --> src/observability/metrics.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub struct AggregatedMetrics {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `log_command_executed` is never used
[INFO] [stdout]  --> src/observability/logging.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn log_command_executed(
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `log_snapshot_written` is never used
[INFO] [stdout]   --> src/observability/logging.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn log_snapshot_written(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `log_snapshot_load_failed` is never used
[INFO] [stdout]   --> src/observability/logging.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn log_snapshot_load_failed(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `log_shard_panic` is never used
[INFO] [stdout]   --> src/observability/logging.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn log_shard_panic(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `health_check_handler` is never used
[INFO] [stdout]  --> src/observability/health.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn health_check_handler(shard_status: &[AtomicU8]) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `readiness_check_handler` is never used
[INFO] [stdout]   --> src/observability/health.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn readiness_check_handler(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SHARD_INITIALIZING` is never used
[INFO] [stdout]   --> src/observability/health.rs:29:11
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub const SHARD_INITIALIZING: u8 = 0;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SHARD_READY` is never used
[INFO] [stdout]   --> src/observability/health.rs:30:11
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub const SHARD_READY: u8 = 1;
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SHARD_FAILED` is never used
[INFO] [stdout]   --> src/observability/health.rs:31:11
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub const SHARD_FAILED: u8 = 2;
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `log_level` and `cpu_pinning` are never read
[INFO] [stdout]    --> src/server.rs:170:9
[INFO] [stdout]     |
[INFO] [stdout] 166 | pub struct Config {
[INFO] [stdout]     |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 170 |     pub log_level: String,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 171 |     pub cpu_pinning: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 37.74s
[INFO] running `Command { std: "docker" "inspect" "f1f5a8b8f709e0a0294b9d594b96d051529f1ee800d9873f2bfcc4f412bdf0c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1f5a8b8f709e0a0294b9d594b96d051529f1ee800d9873f2bfcc4f412bdf0c2", kill_on_drop: false }`
[INFO] [stdout] f1f5a8b8f709e0a0294b9d594b96d051529f1ee800d9873f2bfcc4f412bdf0c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6300db559af0f92bb246e428ee3524de17782611e73feddf3eae81e2b815534d
[INFO] running `Command { std: "docker" "start" "-a" "6300db559af0f92bb246e428ee3524de17782611e73feddf3eae81e2b815534d", kill_on_drop: false }`
[INFO] [stderr]    Compiling RsDragonflyDB v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Cursor`
[INFO] [stdout]  --> src/shard/persistence/format.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, Read, Write, Cursor};
[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 variable: `latency`
[INFO] [stdout]    --> src/shard/shard.rs:273:34
[INFO] [stdout]     |
[INFO] [stdout] 273 |     pub fn record_command(&self, latency: Duration) {
[INFO] [stdout]     |                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_latency`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `now`
[INFO] [stdout]   --> src/shard/snapshot/deserialize.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let now = Instant::now();
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/common/shard_id.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl ShardId {
[INFO] [stdout]   | ------------ associated function in this implementation
[INFO] [stdout] 7 |     pub fn new(id: u16) -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FRONTEND_THREADS` is never used
[INFO] [stdout]  --> src/common/constants.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const FRONTEND_THREADS: usize = 4;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SNAPSHOT_TIMEOUT_SECS` is never used
[INFO] [stdout]   --> src/common/constants.rs:23:11
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub const SNAPSHOT_TIMEOUT_SECS: u64 = 30;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ThreadType` is never used
[INFO] [stdout]  --> src/common/threads.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum ThreadType {
[INFO] [stdout]   |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `name` is never used
[INFO] [stdout]   --> src/common/threads.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl ThreadType {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] 14 |     pub fn name(&self) -> String {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `spawn_thread` is never used
[INFO] [stdout]   --> src/common/threads.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn spawn_thread<F, T>(thread_type: ThreadType, f: F) -> JoinHandle<T>
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unix_timestamp_to_instant` is never used
[INFO] [stdout]   --> src/common/time.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn unix_timestamp_to_instant(timestamp: u64) -> Instant {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/protocol/parser.rs:9:17
[INFO] [stdout]   |
[INFO] [stdout] 9 |     InvalidType(u8),
[INFO] [stdout]   |     ----------- ^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 9 -     InvalidType(u8),
[INFO] [stdout] 9 +     InvalidType(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ResponseReceiver` is never used
[INFO] [stdout]   --> src/protocol/channels.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub type ResponseReceiver = oneshot::Receiver<Response>;
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `response_channel` is never used
[INFO] [stdout]   --> src/protocol/channels.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn response_channel() -> (ResponseSender, ResponseReceiver) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `ok` and `error` are never used
[INFO] [stdout]   --> src/protocol/response.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Response {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 12 |     pub fn ok() -> Self {
[INFO] [stdout]    |            ^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn error(msg: impl Into<String>) -> Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `ok`, `pong`, `null`, and `error` are never used
[INFO] [stdout]   --> src/protocol/resp.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl RespValue {
[INFO] [stdout]    | -------------- associated functions in this implementation
[INFO] [stdout] 11 |     pub fn ok() -> Self {
[INFO] [stdout]    |            ^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn pong() -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn null() -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn error(msg: impl Into<String>) -> Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/protocol/command.rs:167:20
[INFO] [stdout]     |
[INFO] [stdout] 167 |     UnknownCommand(String),
[INFO] [stdout]     |     -------------- ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CommandError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 167 -     UnknownCommand(String),
[INFO] [stdout] 167 +     UnknownCommand(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `metadata` is never read
[INFO] [stdout]  --> src/shard/entry.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Entry {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 8 |     pub metadata: Metadata,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `created_at`, `last_accessed`, and `access_count` are never read
[INFO] [stdout]   --> src/shard/entry.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Metadata {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 12 |     pub created_at: Instant,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 13 |     pub last_accessed: Instant,  // For LRU eviction (future)
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 14 |     pub access_count: u64,        // For LFU eviction (future)
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `size_bytes` is never used
[INFO] [stdout]   --> src/shard/entry.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Entry {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn size_bytes(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `snapshots_skipped` and `queue_depth` are never read
[INFO] [stdout]    --> src/shard/shard.rs:250:9
[INFO] [stdout]     |
[INFO] [stdout] 246 | pub struct ShardMetrics {
[INFO] [stdout]     |            ------------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 250 |     pub snapshots_skipped: AtomicU64,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 254 |     pub queue_depth: AtomicUsize,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `load_snapshot` is never used
[INFO] [stdout]  --> src/shard/snapshot/loader.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn load_snapshot(snapshot_dir: &PathBuf, shard_id: ShardId) -> Result<Shard, SnapshotError> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CRC64` is never used
[INFO] [stdout]   --> src/shard/snapshot/deserialize.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const CRC64: Crc<u64> = Crc::<u64>::new(&CRC_64_ECMA_182);
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `deserialize_snapshot` is never used
[INFO] [stdout]   --> src/shard/snapshot/deserialize.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn deserialize_snapshot(data: &[u8]) -> Result<Shard, SnapshotError> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SnapshotError` is never used
[INFO] [stdout]    --> src/shard/snapshot/deserialize.rs:104:10
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub enum SnapshotError {
[INFO] [stdout]     |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `read` is never used
[INFO] [stdout]   --> src/shard/persistence/format.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl SnapshotHeader {
[INFO] [stdout]    | ------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn read<R: Read>(reader: &mut R) -> io::Result<Self> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `acceptor_thread` is never used
[INFO] [stdout]  --> src/frontend/acceptor.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub async fn acceptor_thread(
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SHARD_TIMEOUT` is never used
[INFO] [stdout]   --> src/frontend/multi_key.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const SHARD_TIMEOUT: Duration = Duration::from_millis(500);
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SEND_TIMEOUT` is never used
[INFO] [stdout]   --> src/frontend/multi_key.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const SEND_TIMEOUT: Duration = Duration::from_millis(100);
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MultiKeyExecutor` is never constructed
[INFO] [stdout]   --> src/frontend/multi_key.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct MultiKeyExecutor {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `execute_del` are never used
[INFO] [stdout]   --> src/frontend/multi_key.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl MultiKeyExecutor {
[INFO] [stdout]    | --------------------- associated items in this implementation
[INFO] [stdout] 20 |     pub fn new(shard_channels: Vec<CommandSender>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub async fn execute_del(&self, keys: Vec<Key>) -> MultiKeyResult {
[INFO] [stdout]    |                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `MultiKeyResult` is never used
[INFO] [stdout]  --> src/frontend/error_handling.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum MultiKeyResult {
[INFO] [stdout]   |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_response` is never used
[INFO] [stdout]   --> src/frontend/error_handling.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl MultiKeyResult {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] 15 |     pub fn to_response(self) -> Response {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `commands_total` and `command_errors_total` are never read
[INFO] [stdout]   --> src/observability/metrics.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub struct GlobalMetrics {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 10 |     pub commands_total: AtomicU64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 11 |     pub command_errors_total: AtomicU64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `aggregate_shard_metrics` is never used
[INFO] [stdout]   --> src/observability/metrics.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn aggregate_shard_metrics(shards: &[Arc<ShardMetrics>]) -> AggregatedMetrics {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AggregatedMetrics` is never constructed
[INFO] [stdout]   --> src/observability/metrics.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub struct AggregatedMetrics {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `log_command_executed` is never used
[INFO] [stdout]  --> src/observability/logging.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn log_command_executed(
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `log_snapshot_written` is never used
[INFO] [stdout]   --> src/observability/logging.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn log_snapshot_written(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `log_snapshot_load_failed` is never used
[INFO] [stdout]   --> src/observability/logging.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn log_snapshot_load_failed(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `log_shard_panic` is never used
[INFO] [stdout]   --> src/observability/logging.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn log_shard_panic(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `health_check_handler` is never used
[INFO] [stdout]  --> src/observability/health.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn health_check_handler(shard_status: &[AtomicU8]) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `readiness_check_handler` is never used
[INFO] [stdout]   --> src/observability/health.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn readiness_check_handler(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SHARD_INITIALIZING` is never used
[INFO] [stdout]   --> src/observability/health.rs:29:11
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub const SHARD_INITIALIZING: u8 = 0;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SHARD_READY` is never used
[INFO] [stdout]   --> src/observability/health.rs:30:11
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub const SHARD_READY: u8 = 1;
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SHARD_FAILED` is never used
[INFO] [stdout]   --> src/observability/health.rs:31:11
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub const SHARD_FAILED: u8 = 2;
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `log_level` and `cpu_pinning` are never read
[INFO] [stdout]    --> src/server.rs:170:9
[INFO] [stdout]     |
[INFO] [stdout] 166 | pub struct Config {
[INFO] [stdout]     |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 170 |     pub log_level: String,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 171 |     pub cpu_pinning: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.43s
[INFO] running `Command { std: "docker" "inspect" "6300db559af0f92bb246e428ee3524de17782611e73feddf3eae81e2b815534d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6300db559af0f92bb246e428ee3524de17782611e73feddf3eae81e2b815534d", kill_on_drop: false }`
[INFO] [stdout] 6300db559af0f92bb246e428ee3524de17782611e73feddf3eae81e2b815534d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4335ea76bc1ccffa0a1e45feb792a2516cb1324c373382c609d77f94818661df
[INFO] running `Command { std: "docker" "start" "-a" "4335ea76bc1ccffa0a1e45feb792a2516cb1324c373382c609d77f94818661df", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Cursor`
[INFO] [stderr]  --> src/shard/persistence/format.rs:1:34
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::{self, Read, Write, Cursor};
[INFO] [stderr]   |                                  ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `latency`
[INFO] [stderr]    --> src/shard/shard.rs:273:34
[INFO] [stderr]     |
[INFO] [stderr] 273 |     pub fn record_command(&self, latency: Duration) {
[INFO] [stderr]     |                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_latency`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `now`
[INFO] [stderr]   --> src/shard/snapshot/deserialize.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let now = Instant::now();
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]  --> src/common/shard_id.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | impl ShardId {
[INFO] [stderr]   | ------------ associated function in this implementation
[INFO] [stderr] 7 |     pub fn new(id: u16) -> Self {
[INFO] [stderr]   |            ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `FRONTEND_THREADS` is never used
[INFO] [stderr]  --> src/common/constants.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub const FRONTEND_THREADS: usize = 4;
[INFO] [stderr]   |           ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `SNAPSHOT_TIMEOUT_SECS` is never used
[INFO] [stderr]   --> src/common/constants.rs:23:11
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub const SNAPSHOT_TIMEOUT_SECS: u64 = 30;
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `ThreadType` is never used
[INFO] [stderr]  --> src/common/threads.rs:5:10
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub enum ThreadType {
[INFO] [stderr]   |          ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `name` is never used
[INFO] [stderr]   --> src/common/threads.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl ThreadType {
[INFO] [stderr]    | --------------- method in this implementation
[INFO] [stderr] 14 |     pub fn name(&self) -> String {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `spawn_thread` is never used
[INFO] [stderr]   --> src/common/threads.rs:25:8
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub fn spawn_thread<F, T>(thread_type: ThreadType, f: F) -> JoinHandle<T>
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `unix_timestamp_to_instant` is never used
[INFO] [stderr]   --> src/common/time.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn unix_timestamp_to_instant(timestamp: u64) -> Instant {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> src/protocol/parser.rs:9:17
[INFO] [stderr]   |
[INFO] [stderr] 9 |     InvalidType(u8),
[INFO] [stderr]   |     ----------- ^^
[INFO] [stderr]   |     |
[INFO] [stderr]   |     field in this variant
[INFO] [stderr]   |
[INFO] [stderr]   = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]   |
[INFO] [stderr] 9 -     InvalidType(u8),
[INFO] [stderr] 9 +     InvalidType(()),
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `ResponseReceiver` is never used
[INFO] [stderr]   --> src/protocol/channels.rs:15:10
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub type ResponseReceiver = oneshot::Receiver<Response>;
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `response_channel` is never used
[INFO] [stderr]   --> src/protocol/channels.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub fn response_channel() -> (ResponseSender, ResponseReceiver) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `ok` and `error` are never used
[INFO] [stderr]   --> src/protocol/response.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl Response {
[INFO] [stderr]    | ------------- associated functions in this implementation
[INFO] [stderr] 12 |     pub fn ok() -> Self {
[INFO] [stderr]    |            ^^
[INFO] [stderr] ...
[INFO] [stderr] 16 |     pub fn error(msg: impl Into<String>) -> Self {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `ok`, `pong`, `null`, and `error` are never used
[INFO] [stderr]   --> src/protocol/resp.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | impl RespValue {
[INFO] [stderr]    | -------------- associated functions in this implementation
[INFO] [stderr] 11 |     pub fn ok() -> Self {
[INFO] [stderr]    |            ^^
[INFO] [stderr] ...
[INFO] [stderr] 15 |     pub fn pong() -> Self {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 19 |     pub fn null() -> Self {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 23 |     pub fn error(msg: impl Into<String>) -> Self {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/protocol/command.rs:167:20
[INFO] [stderr]     |
[INFO] [stderr] 167 |     UnknownCommand(String),
[INFO] [stderr]     |     -------------- ^^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `CommandError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 167 -     UnknownCommand(String),
[INFO] [stderr] 167 +     UnknownCommand(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: field `metadata` is never read
[INFO] [stderr]  --> src/shard/entry.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Entry {
[INFO] [stderr]   |            ----- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 8 |     pub metadata: Metadata,
[INFO] [stderr]   |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `created_at`, `last_accessed`, and `access_count` are never read
[INFO] [stderr]   --> src/shard/entry.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub struct Metadata {
[INFO] [stderr]    |            -------- fields in this struct
[INFO] [stderr] 12 |     pub created_at: Instant,
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr] 13 |     pub last_accessed: Instant,  // For LRU eviction (future)
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr] 14 |     pub access_count: u64,        // For LFU eviction (future)
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `size_bytes` is never used
[INFO] [stderr]   --> src/shard/entry.rs:35:12
[INFO] [stderr]    |
[INFO] [stderr] 17 | impl Entry {
[INFO] [stderr]    | ---------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 35 |     pub fn size_bytes(&self) -> usize {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `snapshots_skipped` and `queue_depth` are never read
[INFO] [stderr]    --> src/shard/shard.rs:250:9
[INFO] [stderr]     |
[INFO] [stderr] 246 | pub struct ShardMetrics {
[INFO] [stderr]     |            ------------ fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 250 |     pub snapshots_skipped: AtomicU64,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 254 |     pub queue_depth: AtomicUsize,
[INFO] [stderr]     |         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `load_snapshot` is never used
[INFO] [stderr]  --> src/shard/snapshot/loader.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn load_snapshot(snapshot_dir: &PathBuf, shard_id: ShardId) -> Result<Shard, SnapshotError> {
[INFO] [stderr]   |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `CRC64` is never used
[INFO] [stderr]   --> src/shard/snapshot/deserialize.rs:14:7
[INFO] [stderr]    |
[INFO] [stderr] 14 | const CRC64: Crc<u64> = Crc::<u64>::new(&CRC_64_ECMA_182);
[INFO] [stderr]    |       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `deserialize_snapshot` is never used
[INFO] [stderr]   --> src/shard/snapshot/deserialize.rs:16:8
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub fn deserialize_snapshot(data: &[u8]) -> Result<Shard, SnapshotError> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `SnapshotError` is never used
[INFO] [stderr]    --> src/shard/snapshot/deserialize.rs:104:10
[INFO] [stderr]     |
[INFO] [stderr] 104 | pub enum SnapshotError {
[INFO] [stderr]     |          ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `read` is never used
[INFO] [stderr]   --> src/shard/persistence/format.rs:52:12
[INFO] [stderr]    |
[INFO] [stderr] 21 | impl SnapshotHeader {
[INFO] [stderr]    | ------------------- associated function in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 52 |     pub fn read<R: Read>(reader: &mut R) -> io::Result<Self> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `acceptor_thread` is never used
[INFO] [stderr]  --> src/frontend/acceptor.rs:7:14
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub async fn acceptor_thread(
[INFO] [stderr]   |              ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `SHARD_TIMEOUT` is never used
[INFO] [stderr]   --> src/frontend/multi_key.rs:12:7
[INFO] [stderr]    |
[INFO] [stderr] 12 | const SHARD_TIMEOUT: Duration = Duration::from_millis(500);
[INFO] [stderr]    |       ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `SEND_TIMEOUT` is never used
[INFO] [stderr]   --> src/frontend/multi_key.rs:13:7
[INFO] [stderr]    |
[INFO] [stderr] 13 | const SEND_TIMEOUT: Duration = Duration::from_millis(100);
[INFO] [stderr]    |       ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `MultiKeyExecutor` is never constructed
[INFO] [stderr]   --> src/frontend/multi_key.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub struct MultiKeyExecutor {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new` and `execute_del` are never used
[INFO] [stderr]   --> src/frontend/multi_key.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 19 | impl MultiKeyExecutor {
[INFO] [stderr]    | --------------------- associated items in this implementation
[INFO] [stderr] 20 |     pub fn new(shard_channels: Vec<CommandSender>) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 24 |     pub async fn execute_del(&self, keys: Vec<Key>) -> MultiKeyResult {
[INFO] [stderr]    |                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `MultiKeyResult` is never used
[INFO] [stderr]  --> src/frontend/error_handling.rs:4:10
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub enum MultiKeyResult {
[INFO] [stderr]   |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `to_response` is never used
[INFO] [stderr]   --> src/frontend/error_handling.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 14 | impl MultiKeyResult {
[INFO] [stderr]    | ------------------- method in this implementation
[INFO] [stderr] 15 |     pub fn to_response(self) -> Response {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `commands_total` and `command_errors_total` are never read
[INFO] [stderr]   --> src/observability/metrics.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr]  6 | pub struct GlobalMetrics {
[INFO] [stderr]    |            ------------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 10 |     pub commands_total: AtomicU64,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr] 11 |     pub command_errors_total: AtomicU64,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `aggregate_shard_metrics` is never used
[INFO] [stderr]   --> src/observability/metrics.rs:30:8
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub fn aggregate_shard_metrics(shards: &[Arc<ShardMetrics>]) -> AggregatedMetrics {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `AggregatedMetrics` is never constructed
[INFO] [stderr]   --> src/observability/metrics.rs:51:12
[INFO] [stderr]    |
[INFO] [stderr] 51 | pub struct AggregatedMetrics {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `log_command_executed` is never used
[INFO] [stderr]  --> src/observability/logging.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn log_command_executed(
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `log_snapshot_written` is never used
[INFO] [stderr]   --> src/observability/logging.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub fn log_snapshot_written(
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `log_snapshot_load_failed` is never used
[INFO] [stderr]   --> src/observability/logging.rs:34:8
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub fn log_snapshot_load_failed(
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `log_shard_panic` is never used
[INFO] [stderr]   --> src/observability/logging.rs:47:8
[INFO] [stderr]    |
[INFO] [stderr] 47 | pub fn log_shard_panic(
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `health_check_handler` is never used
[INFO] [stderr]  --> src/observability/health.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn health_check_handler(shard_status: &[AtomicU8]) -> String {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `readiness_check_handler` is never used
[INFO] [stderr]   --> src/observability/health.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub fn readiness_check_handler(
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `SHARD_INITIALIZING` is never used
[INFO] [stderr]   --> src/observability/health.rs:29:11
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub const SHARD_INITIALIZING: u8 = 0;
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `SHARD_READY` is never used
[INFO] [stderr]   --> src/observability/health.rs:30:11
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub const SHARD_READY: u8 = 1;
[INFO] [stderr]    |           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `SHARD_FAILED` is never used
[INFO] [stderr]   --> src/observability/health.rs:31:11
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub const SHARD_FAILED: u8 = 2;
[INFO] [stderr]    |           ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `log_level` and `cpu_pinning` are never read
[INFO] [stderr]    --> src/server.rs:170:9
[INFO] [stderr]     |
[INFO] [stderr] 166 | pub struct Config {
[INFO] [stderr]     |            ------ fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 170 |     pub log_level: String,
[INFO] [stderr]     |         ^^^^^^^^^
[INFO] [stderr] 171 |     pub cpu_pinning: bool,
[INFO] [stderr]     |         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `RsDragonflyDB` (bin "RsDragonflyDB" test) generated 45 warnings (run `cargo fix --bin "RsDragonflyDB" -p RsDragonflyDB --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/RsDragonflyDB-686c49b861bbc28b)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test common::hash::tests::test_crc16_deterministic ... ok
[INFO] [stdout] test common::tests::it_works ... ok
[INFO] [stdout] test frontend::router::tests::test_route_key_deterministic ... ok
[INFO] [stdout] test frontend::tests::it_works ... ok
[INFO] [stdout] test observability::tests::it_works ... ok
[INFO] [stdout] test frontend::router::tests::test_route_keys_grouping ... ok
[INFO] [stdout] test shard::tests::it_works ... ok
[INFO] [stdout] test protocol::tests::it_works ... ok
[INFO] [stdout] test common::hash::tests::test_crc16_distribution ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- common::hash::tests::test_crc16_distribution stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'common::hash::tests::test_crc16_distribution' (19) panicked at src/common/hash.rs:45:9:
[INFO] [stdout] Distribution variance too high: 552.2502263467169
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x604f99f5ca7a - std[29689e6404d28ef9]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x604f99f5ca7a - std[29689e6404d28ef9]::backtrace_rs::backtrace::trace_unsynchronized::<std[29689e6404d28ef9]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x604f99f5ca7a - std[29689e6404d28ef9]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x604f99f5ca7a - <<std[29689e6404d28ef9]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[e929cb53b82a81ca]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x604f99f708ba - <core[e929cb53b82a81ca]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x604f99f708ba - core[e929cb53b82a81ca]::fmt::write
[INFO] [stdout]    6:     0x604f99f612b2 - std[29689e6404d28ef9]::io::default_write_fmt::<alloc[9d7caffeb3b5d2c6]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x604f99f612b2 - <alloc[9d7caffeb3b5d2c6]::vec::Vec<u8> as std[29689e6404d28ef9]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x604f99f3ba7f - <std[29689e6404d28ef9]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x604f99f3ba7f - std[29689e6404d28ef9]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x604f99f54ed9 - std[29689e6404d28ef9]::panicking::default_hook
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x604f99eed4ec - <alloc[9d7caffeb3b5d2c6]::boxed::Box<dyn for<'a, 'b> core[e929cb53b82a81ca]::ops::function::Fn<(&'a std[29689e6404d28ef9]::panic::PanicHookInfo<'b>,), Output = ()> + core[e929cb53b82a81ca]::marker::Send + core[e929cb53b82a81ca]::marker::Sync> as core[e929cb53b82a81ca]::ops::function::Fn<(&std[29689e6404d28ef9]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   12:     0x604f99eed4ec - test[a24b3028667022f7]::test_main_inner::<test[a24b3028667022f7]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x604f99f55092 - <alloc[9d7caffeb3b5d2c6]::boxed::Box<dyn for<'a, 'b> core[e929cb53b82a81ca]::ops::function::Fn<(&'a std[29689e6404d28ef9]::panic::PanicHookInfo<'b>,), Output = ()> + core[e929cb53b82a81ca]::marker::Send + core[e929cb53b82a81ca]::marker::Sync> as core[e929cb53b82a81ca]::ops::function::Fn<(&std[29689e6404d28ef9]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   14:     0x604f99f55092 - std[29689e6404d28ef9]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x604f99f3bb38 - std[29689e6404d28ef9]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x604f99f30d49 - std[29689e6404d28ef9]::sys::backtrace::__rust_end_short_backtrace::<std[29689e6404d28ef9]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x604f99f3c84d - __rustc[3aed6af316653e63]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x604f99f7100c - core[e929cb53b82a81ca]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x604f99ede2de - RsDragonflyDB[47202d07897b6263]::common::hash::tests::test_crc16_distribution
[INFO] [stdout]                                at /opt/rustwide/workdir/src/common/hash.rs:45:9
[INFO] [stdout]   20:     0x604f99edde27 - RsDragonflyDB[47202d07897b6263]::common::hash::tests::test_crc16_distribution::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/common/hash.rs:30:33
[INFO] [stdout]   21:     0x604f99eda3b6 - <RsDragonflyDB[47202d07897b6263]::common::hash::tests::test_crc16_distribution::{closure#0} as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x604f99ee07cb - <fn() -> core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String> as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x604f99ee07cb - test[a24b3028667022f7]::__rust_begin_short_backtrace::<core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String>, fn() -> core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:724:18
[INFO] [stdout]   24:     0x604f99eedfbb - test[a24b3028667022f7]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:747:74
[INFO] [stdout]   25:     0x604f99eedfbb - <core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<test[a24b3028667022f7]::run_test_in_process::{closure#0}> as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   26:     0x604f99eedfbb - std[29689e6404d28ef9]::panicking::catch_unwind::do_call::<core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<test[a24b3028667022f7]::run_test_in_process::{closure#0}>, core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   27:     0x604f99eedfbb - std[29689e6404d28ef9]::panicking::catch_unwind::<core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String>, core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<test[a24b3028667022f7]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x604f99eedfbb - std[29689e6404d28ef9]::panic::catch_unwind::<core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<test[a24b3028667022f7]::run_test_in_process::{closure#0}>, core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x604f99eedfbb - test[a24b3028667022f7]::run_test_in_process
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:747:27
[INFO] [stdout]   30:     0x604f99eedfbb - test[a24b3028667022f7]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:668:43
[INFO] [stdout]   31:     0x604f99ee76d4 - test[a24b3028667022f7]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:698:41
[INFO] [stdout]   32:     0x604f99ee76d4 - std[29689e6404d28ef9]::sys::backtrace::__rust_begin_short_backtrace::<test[a24b3028667022f7]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   33:     0x604f99ef0bc2 - std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked::<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   34:     0x604f99ef0bc2 - <core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   35:     0x604f99ef0bc2 - std[29689e6404d28ef9]::panicking::catch_unwind::do_call::<core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   36:     0x604f99ef0bc2 - std[29689e6404d28ef9]::panicking::catch_unwind::<(), core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   37:     0x604f99ef0bc2 - std[29689e6404d28ef9]::panic::catch_unwind::<core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panic.rs:359:14
[INFO] [stdout]   38:     0x604f99ef0bc2 - std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked::<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   39:     0x604f99ef0bc2 - <std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1} as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x604f99f5c38f - <alloc[9d7caffeb3b5d2c6]::boxed::Box<dyn core[e929cb53b82a81ca]::ops::function::FnOnce<(), Output = ()> + core[e929cb53b82a81ca]::marker::Send> as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   41:     0x604f99f5c38f - <std[29689e6404d28ef9]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   42:     0x7aff14dbdaa4 - <unknown>
[INFO] [stdout]   43:     0x7aff14e4aa64 - clone
[INFO] [stdout]   44:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     common::hash::tests::test_crc16_distribution
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 8 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.29s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin RsDragonflyDB`
[INFO] running `Command { std: "docker" "inspect" "4335ea76bc1ccffa0a1e45feb792a2516cb1324c373382c609d77f94818661df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4335ea76bc1ccffa0a1e45feb792a2516cb1324c373382c609d77f94818661df", kill_on_drop: false }`
[INFO] [stdout] 4335ea76bc1ccffa0a1e45feb792a2516cb1324c373382c609d77f94818661df
