[INFO] fetching crate rmqtt-retainer 0.23.1...
[INFO] checking rmqtt-retainer-0.23.1 against ed77b7b8699e342c2dc842c83cb5fe4025252ee8 for pr-158915-1
[INFO] extracting crate rmqtt-retainer 0.23.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate rmqtt-retainer 0.23.1
[INFO] finished tweaking crates.io crate rmqtt-retainer 0.23.1
[INFO] tweaked toml for crates.io crate rmqtt-retainer 0.23.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rmqtt-retainer 0.23.1 on toolchain ed77b7b8699e342c2dc842c83cb5fe4025252ee8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed77b7b8699e342c2dc842c83cb5fe4025252ee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rmqtt-retainer 0.23.1 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" "+ed77b7b8699e342c2dc842c83cb5fe4025252ee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:65:1
[INFO] [stderr]    |
[INFO] [stderr] 65 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `rmqtt-retainer` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] [stderr]   Downloaded rmqtt v0.23.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 7e8351144ba2c6f6694b0714ca976d2d822d3764fdb212e39c26fa969ac7479b
[INFO] running `Command { std: "docker" "start" "7e8351144ba2c6f6694b0714ca976d2d822d3764fdb212e39c26fa969ac7479b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e8351144ba2c6f6694b0714ca976d2d822d3764fdb212e39c26fa969ac7479b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7e8351144ba2c6f6694b0714ca976d2d822d3764fdb212e39c26fa969ac7479b" "/opt/rustwide/cargo-home/bin/cargo" "+ed77b7b8699e342c2dc842c83cb5fe4025252ee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e8351144ba2c6f6694b0714ca976d2d822d3764fdb212e39c26fa969ac7479b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7e8351144ba2c6f6694b0714ca976d2d822d3764fdb212e39c26fa969ac7479b" "/opt/rustwide/cargo-home/bin/cargo" "+ed77b7b8699e342c2dc842c83cb5fe4025252ee8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:65:1
[INFO] [stderr]    |
[INFO] [stderr] 65 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `rmqtt-retainer` (manifest) generated 1 warning
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[INFO] [stderr]     Checking box-counter v0.4.0
[INFO] [stderr]     Checking task-exec-queue v0.10.1
[INFO] [stderr]     Checking rust-box v0.18.0
[INFO] [stderr]     Checking rustls-platform-verifier v0.7.0
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[INFO] [stderr]     Checking tokio-util v0.7.19
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[INFO] [stderr]     Checking rmqtt-codec v0.2.2
[INFO] [stderr]     Checking tower v0.5.3
[INFO] [stderr]     Checking tower-resilience-circuitbreaker v0.10.1
[INFO] [stderr]     Checking rmqtt-net v0.4.0
[INFO] [stderr]     Checking rmqtt-retainer v0.23.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Config`
[INFO] [stdout]   --> src/lib.rs:31:14
[INFO] [stdout]    |
[INFO] [stdout] 31 | use config::{Config, PluginConfig};
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Config`
[INFO] [stdout]   --> src/lib.rs:31:14
[INFO] [stdout]    |
[INFO] [stdout] 31 | use config::{Config, PluginConfig};
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/lib.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout]  79 | /             match &mut cfg.write().await.storage {
[INFO] [stdout]  80 | |                 #[cfg(feature = "ram")]
[INFO] [stdout]  81 | |                 Some(Config::Ram) => Retainer::Ram(RamRetainer::new(cfg.clone())),
[INFO] [stdout]  82 | |                 #[cfg(any(feature = "sled", feature = "redis"))]
[INFO] [stdout] ...   |
[INFO] [stdout] 113 | |                 None => return Err(anyhow!("No storage engine specified (ram, sled, or redis)")),
[INFO] [stdout] 114 | |             }
[INFO] [stdout]     | |_____________- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] ...
[INFO] [stdout] 117 | /         Ok(Self {
[INFO] [stdout] 118 | |             scx,
[INFO] [stdout] 119 | |             register,
[INFO] [stdout] 120 | |             cfg,
[INFO] [stdout] ...   |
[INFO] [stdout] 123 | |             serve_state,
[INFO] [stdout] 124 | |         })
[INFO] [stdout]     | |__________^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/lib.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout]  79 | /             match &mut cfg.write().await.storage {
[INFO] [stdout]  80 | |                 #[cfg(feature = "ram")]
[INFO] [stdout]  81 | |                 Some(Config::Ram) => Retainer::Ram(RamRetainer::new(cfg.clone())),
[INFO] [stdout]  82 | |                 #[cfg(any(feature = "sled", feature = "redis"))]
[INFO] [stdout] ...   |
[INFO] [stdout] 113 | |                 None => return Err(anyhow!("No storage engine specified (ram, sled, or redis)")),
[INFO] [stdout] 114 | |             }
[INFO] [stdout]     | |_____________- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] ...
[INFO] [stdout] 117 | /         Ok(Self {
[INFO] [stdout] 118 | |             scx,
[INFO] [stdout] 119 | |             register,
[INFO] [stdout] 120 | |             cfg,
[INFO] [stdout] ...   |
[INFO] [stdout] 123 | |             serve_state,
[INFO] [stdout] 124 | |         })
[INFO] [stdout]     | |__________^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register`
[INFO] [stdout]   --> src/lib.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let register = scx.extends.hook_mgr().register();
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `batch_messages_limit`
[INFO] [stdout]   --> src/lib.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |             let batch_messages_limit = cfg_guard.batch_messages_limit;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_batch_messages_limit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RamConfig` is never constructed
[INFO] [stdout]    --> src/config.rs:166:12
[INFO] [stdout]     |
[INFO] [stdout] 166 | pub struct RamConfig {}
[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 items `new` and `call_timeout` are never used
[INFO] [stdout]   --> src/value_cached.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl<T: Send + Sync + 'static> ValueCached<T> {
[INFO] [stdout]    | --------------------------------------------- associated items in this implementation
[INFO] [stdout] 45 |     #[inline]
[INFO] [stdout] 46 |     pub fn new(expire_interval: Duration) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     pub async fn call_timeout<F>(&self, f: F, timeout: Duration) -> ValueRef<'_, T>
[INFO] [stdout]    |                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `val_guard` is never read
[INFO] [stdout]    --> src/value_cached.rs:206:5
[INFO] [stdout]     |
[INFO] [stdout] 205 | pub struct ValueRef<'a, T> {
[INFO] [stdout]     |            -------- field in this struct
[INFO] [stdout] 206 |     val_guard: tokio::sync::RwLockReadGuard<'a, ValueCachedInner<T>>,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get` is never used
[INFO] [stdout]    --> src/value_cached.rs:226:12
[INFO] [stdout]     |
[INFO] [stdout] 218 | impl<T> ValueRef<'_, T> {
[INFO] [stdout]     | ----------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 226 |     pub fn get(&self) -> Result<Option<&T>> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register`
[INFO] [stdout]   --> src/lib.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let register = scx.extends.hook_mgr().register();
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `batch_messages_limit`
[INFO] [stdout]   --> src/lib.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |             let batch_messages_limit = cfg_guard.batch_messages_limit;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_batch_messages_limit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RamConfig` is never constructed
[INFO] [stdout]    --> src/config.rs:166:12
[INFO] [stdout]     |
[INFO] [stdout] 166 | pub struct RamConfig {}
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `futures-time`
[INFO] [stderr]   --> Cargo.toml:10:15
[INFO] [stderr]    |
[INFO] [stderr] 10 | [dependencies.futures-time]
[INFO] [stderr]    |               ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `futures-time`
[INFO] [stderr] warning: `rmqtt-retainer` (manifest) generated 1 warning
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 51.54s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: attribute-derive-macro v0.10.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "7e8351144ba2c6f6694b0714ca976d2d822d3764fdb212e39c26fa969ac7479b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e8351144ba2c6f6694b0714ca976d2d822d3764fdb212e39c26fa969ac7479b", kill_on_drop: false }`
[INFO] [stdout] 7e8351144ba2c6f6694b0714ca976d2d822d3764fdb212e39c26fa969ac7479b
