[INFO] fetching crate garbagetruck 0.1.4...
[INFO] checking garbagetruck-0.1.4 against master#ff647322379c48947c196639599067665ff9eb88 for pr-151539-1
[INFO] extracting crate garbagetruck 0.1.4 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate garbagetruck 0.1.4
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate garbagetruck 0.1.4
[INFO] tweaked toml for crates.io crate garbagetruck 0.1.4 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate garbagetruck 0.1.4 on toolchain ff647322379c48947c196639599067665ff9eb88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff647322379c48947c196639599067665ff9eb88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate garbagetruck 0.1.4 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" "+ff647322379c48947c196639599067665ff9eb88" "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-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 23d2dfe338e0c80a7ad296fa4c8a90dd5c441e8c7f87d83167b241d2636e3afa
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[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" "23d2dfe338e0c80a7ad296fa4c8a90dd5c441e8c7f87d83167b241d2636e3afa" "/opt/rustwide/cargo-home/bin/cargo" "+ff647322379c48947c196639599067665ff9eb88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23d2dfe338e0c80a7ad296fa4c8a90dd5c441e8c7f87d83167b241d2636e3afa", 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" "23d2dfe338e0c80a7ad296fa4c8a90dd5c441e8c7f87d83167b241d2636e3afa" "/opt/rustwide/cargo-home/bin/cargo" "+ff647322379c48947c196639599067665ff9eb88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: unused imports: `CounterVec`, `Counter`, `GaugeVec`, and `Gauge`
[INFO] [stdout]  --> src/metrics/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Counter, CounterVec, Gauge, GaugeVec, Histogram, HistogramOpts, HistogramVec, IntCounter,
[INFO] [stdout]   |     ^^^^^^^  ^^^^^^^^^^  ^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error`
[INFO] [stdout]  --> src/metrics/mod.rs:9:22
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tracing::{debug, error, info};
[INFO] [stdout]   |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `warn`
[INFO] [stdout]  --> src/service/handlers.rs:7:35
[INFO] [stdout]   |
[INFO] [stdout] 7 | use tracing::{debug, error, info, warn};
[INFO] [stdout]   |                                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `GCError` and `Result`
[INFO] [stdout]   --> src/service/handlers.rs:10:20
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::error::{GCError, Result};
[INFO] [stdout]    |                    ^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CounterVec`, `Counter`, `GaugeVec`, and `Gauge`
[INFO] [stdout]  --> src/metrics/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Counter, CounterVec, Gauge, GaugeVec, Histogram, HistogramOpts, HistogramVec, IntCounter,
[INFO] [stdout]   |     ^^^^^^^  ^^^^^^^^^^  ^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error`
[INFO] [stdout]  --> src/metrics/mod.rs:9:22
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tracing::{debug, error, info};
[INFO] [stdout]   |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `warn`
[INFO] [stdout]  --> src/service/handlers.rs:7:35
[INFO] [stdout]   |
[INFO] [stdout] 7 | use tracing::{debug, error, info, warn};
[INFO] [stdout]   |                                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `GCError` and `Result`
[INFO] [stdout]   --> src/service/handlers.rs:10:20
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::error::{GCError, Result};
[INFO] [stdout]    |                    ^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CleanupConfig`
[INFO] [stdout]    --> src/storage/memory.rs:376:24
[INFO] [stdout]     |
[INFO] [stdout] 376 |     use crate::lease::{CleanupConfig, ObjectType};
[INFO] [stdout]     |                        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/storage/persistent.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DateTime`
[INFO] [stdout]  --> src/storage/file_persistent.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | use chrono::{DateTime, Utc};
[INFO] [stdout]   |              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize` and `Serialize`
[INFO] [stdout]  --> src/storage/file_persistent.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | use serde::{Deserialize, Serialize};
[INFO] [stdout]   |             ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PathBuf`
[INFO] [stdout]  --> src/storage/file_persistent.rs:8:23
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `WALFileMetadata`
[INFO] [stdout]   --> src/storage/file_persistent.rs:22:35
[INFO] [stdout]    |
[INFO] [stdout] 22 |     TransactionContext, WALEntry, WALFileMetadata, WALOperation, WALSyncPolicy,
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/storage/persistent.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DateTime`
[INFO] [stdout]  --> src/storage/file_persistent.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | use chrono::{DateTime, Utc};
[INFO] [stdout]   |              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize` and `Serialize`
[INFO] [stdout]  --> src/storage/file_persistent.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | use serde::{Deserialize, Serialize};
[INFO] [stdout]   |             ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PathBuf`
[INFO] [stdout]  --> src/storage/file_persistent.rs:8:23
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `WALFileMetadata`
[INFO] [stdout]   --> src/storage/file_persistent.rs:22:35
[INFO] [stdout]    |
[INFO] [stdout] 22 |     TransactionContext, WALEntry, WALFileMetadata, WALOperation, WALSyncPolicy,
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `interval`
[INFO] [stdout]  --> src/simulation/mod.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 | use tokio::time::{interval, sleep};
[INFO] [stdout]   |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::config::Config`
[INFO] [stdout]   --> src/recovery/manager.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::config::Config;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `LeaseState` and `Lease`
[INFO] [stdout]   --> src/recovery/manager.rs:14:20
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::lease::{Lease, LeaseState};
[INFO] [stdout]    |                    ^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `interval`
[INFO] [stdout]  --> src/simulation/mod.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 | use tokio::time::{interval, sleep};
[INFO] [stdout]   |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `async_trait::async_trait`
[INFO] [stdout]  --> src/recovery/manager.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use async_trait::async_trait;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::config::Config`
[INFO] [stdout]   --> src/recovery/manager.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::config::Config;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `LeaseState` and `Lease`
[INFO] [stdout]   --> src/recovery/manager.rs:14:20
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::lease::{Lease, LeaseState};
[INFO] [stdout]    |                    ^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `warp::Filter`
[INFO] [stdout]   --> src/simulation/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use warp::Filter;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `warp::Filter`
[INFO] [stdout]   --> src/simulation/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use warp::Filter;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `metric_families`
[INFO] [stdout]    --> src/metrics/mod.rs:374:13
[INFO] [stdout]     |
[INFO] [stdout] 374 |         let metric_families = self.registry.gather();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metric_families`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `metrics`
[INFO] [stdout]    --> src/metrics/mod.rs:384:13
[INFO] [stdout]     |
[INFO] [stdout] 384 |         let metrics = Self::new();
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metrics`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `metric_families`
[INFO] [stdout]    --> src/metrics/mod.rs:374:13
[INFO] [stdout]     |
[INFO] [stdout] 374 |         let metric_families = self.registry.gather();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metric_families`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `metrics`
[INFO] [stdout]    --> src/metrics/mod.rs:384:13
[INFO] [stdout]     |
[INFO] [stdout] 384 |         let metrics = Self::new();
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metrics`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/storage/memory.rs:583:13
[INFO] [stdout]     |
[INFO] [stdout] 583 |         let mut lease1 = Lease::new(
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `metrics` is never read
[INFO] [stdout]    --> src/recovery/manager.rs:177:5
[INFO] [stdout]     |
[INFO] [stdout] 167 | pub struct RecoveryManager {
[INFO] [stdout]     |            --------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 177 |     metrics: Arc<Metrics>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `metrics` is never read
[INFO] [stdout]    --> src/recovery/manager.rs:177:5
[INFO] [stdout]     |
[INFO] [stdout] 167 | pub struct RecoveryManager {
[INFO] [stdout]     |            --------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 177 |     metrics: Arc<Metrics>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Duration` and `Instant`
[INFO] [stdout]  --> benches/benchmark.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::time::{Duration, Instant};
[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: `super::*`
[INFO] [stdout]    --> benches/benchmark.rs:569:9
[INFO] [stdout]     |
[INFO] [stdout] 569 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]    --> benches/benchmark.rs:568:1
[INFO] [stdout]     |
[INFO] [stdout] 568 | mod benchmark_tests {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> examples/client_usage.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut client = GCClient::new("http://localhost:50051", "example-service".to_string()).await?;
[INFO] [stdout]   |         ----^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `grpc`
[INFO] [stdout]   --> tests/integration/grpc/auth.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[cfg(feature = "grpc")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `clap`, `client`, `default`, `full`, `persistent`, and `server`
[INFO] [stdout]    = help: consider adding `grpc` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `grpc`
[INFO] [stdout]   --> tests/integration/grpc/auth.rs:60:7
[INFO] [stdout]    |
[INFO] [stdout] 60 | #[cfg(feature = "grpc")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `clap`, `client`, `default`, `full`, `persistent`, and `server`
[INFO] [stdout]    = help: consider adding `grpc` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow::Result`
[INFO] [stdout]  --> tests/integration/grpc/auth.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use anyhow::Result;
[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: `uuid::Uuid`
[INFO] [stdout]  --> tests/integration/grpc/auth.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use uuid::Uuid;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ReleaseLeaseRequest` and `RenewLeaseRequest`
[INFO] [stdout]  --> tests/integration/grpc/auth.rs:6:27
[INFO] [stdout]   |
[INFO] [stdout] 6 | use garbagetruck::proto::{ReleaseLeaseRequest, RenewLeaseRequest};
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TestHarness` and `print_test_header`
[INFO] [stdout]  --> tests/integration/grpc/auth.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::integration::{print_test_header, TestHarness};
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `grpc`
[INFO] [stdout]   --> tests/integration/grpc/basic.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[cfg(feature = "grpc")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `clap`, `client`, `default`, `full`, `persistent`, and `server`
[INFO] [stdout]    = help: consider adding `grpc` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `grpc`
[INFO] [stdout]   --> tests/integration/grpc/basic.rs:36:7
[INFO] [stdout]    |
[INFO] [stdout] 36 | #[cfg(feature = "grpc")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `clap`, `client`, `default`, `full`, `persistent`, and `server`
[INFO] [stdout]    = help: consider adding `grpc` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `grpc`
[INFO] [stdout]   --> tests/integration/grpc/basic.rs:72:7
[INFO] [stdout]    |
[INFO] [stdout] 72 | #[cfg(feature = "grpc")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `clap`, `client`, `default`, `full`, `persistent`, and `server`
[INFO] [stdout]    = help: consider adding `grpc` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `grpc`
[INFO] [stdout]    --> tests/integration/grpc/basic.rs:133:7
[INFO] [stdout]     |
[INFO] [stdout] 133 | #[cfg(feature = "grpc")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `clap`, `client`, `default`, `full`, `persistent`, and `server`
[INFO] [stdout]     = help: consider adding `grpc` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `grpc`
[INFO] [stdout]    --> tests/integration/grpc/basic.rs:175:7
[INFO] [stdout]     |
[INFO] [stdout] 175 | #[cfg(feature = "grpc")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `clap`, `client`, `default`, `full`, `persistent`, and `server`
[INFO] [stdout]     = help: consider adding `grpc` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `grpc`
[INFO] [stdout]    --> tests/integration/grpc/basic.rs:224:7
[INFO] [stdout]     |
[INFO] [stdout] 224 | #[cfg(feature = "grpc")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `clap`, `client`, `default`, `full`, `persistent`, and `server`
[INFO] [stdout]     = help: consider adding `grpc` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow::Result`
[INFO] [stdout]  --> tests/integration/grpc/basic.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use anyhow::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> tests/integration/grpc/basic.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tonic::Request`
[INFO] [stdout]  --> tests/integration/grpc/basic.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tonic::Request;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `uuid::Uuid`
[INFO] [stdout]  --> tests/integration/grpc/basic.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use uuid::Uuid;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CreateLeaseRequest`, `GetLeaseRequest`, `HealthCheckRequest`, `LeaseState`, `ListLeasesRequest`, `ReleaseLeaseRequest`, and `RenewLeaseRequest`
[INFO] [stdout]   --> tests/integration/grpc/basic.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  9 |     CreateLeaseRequest, GetLeaseRequest, HealthCheckRequest, LeaseState, ListLeasesRequest,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 10 |     ReleaseLeaseRequest, RenewLeaseRequest,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TestHarness` and `print_test_header`
[INFO] [stdout]   --> tests/integration/grpc/basic.rs:13:26
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::integration::{print_test_header, TestHarness};
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `grpc`
[INFO] [stdout]   --> tests/integration/grpc/cleanup.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[cfg(feature = "grpc")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `clap`, `client`, `default`, `full`, `persistent`, and `server`
[INFO] [stdout]    = help: consider adding `grpc` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `grpc`
[INFO] [stdout]   --> tests/integration/grpc/cleanup.rs:71:7
[INFO] [stdout]    |
[INFO] [stdout] 71 | #[cfg(feature = "grpc")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `clap`, `client`, `default`, `full`, `persistent`, and `server`
[INFO] [stdout]    = help: consider adding `grpc` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `grpc`
[INFO] [stdout]    --> tests/integration/grpc/cleanup.rs:119:7
[INFO] [stdout]     |
[INFO] [stdout] 119 | #[cfg(feature = "grpc")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `clap`, `client`, `default`, `full`, `persistent`, and `server`
[INFO] [stdout]     = help: consider adding `grpc` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `grpc`
[INFO] [stdout]    --> tests/integration/grpc/cleanup.rs:157:7
[INFO] [stdout]     |
[INFO] [stdout] 157 | #[cfg(feature = "grpc")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `clap`, `client`, `default`, `full`, `persistent`, and `server`
[INFO] [stdout]     = help: consider adding `grpc` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow::Result`
[INFO] [stdout]  --> tests/integration/grpc/cleanup.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use anyhow::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> tests/integration/grpc/cleanup.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `uuid::Uuid`
[INFO] [stdout]  --> tests/integration/grpc/cleanup.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use uuid::Uuid;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::helpers::assertions::assert_cleanup_called_for_lease`
[INFO] [stdout]  --> tests/integration/grpc/cleanup.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::helpers::assertions::assert_cleanup_called_for_lease;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TestHarness` and `print_test_header`
[INFO] [stdout]  --> tests/integration/grpc/cleanup.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::integration::{print_test_header, TestHarness};
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `grpc`
[INFO] [stdout]   --> tests/integration/grpc/concurrent.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[cfg(feature = "grpc")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `clap`, `client`, `default`, `full`, `persistent`, and `server`
[INFO] [stdout]    = help: consider adding `grpc` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `grpc`
[INFO] [stdout]   --> tests/integration/grpc/concurrent.rs:57:7
[INFO] [stdout]    |
[INFO] [stdout] 57 | #[cfg(feature = "grpc")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `clap`, `client`, `default`, `full`, `persistent`, and `server`
[INFO] [stdout]    = help: consider adding `grpc` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `grpc`
[INFO] [stdout]    --> tests/integration/grpc/concurrent.rs:110:7
[INFO] [stdout]     |
[INFO] [stdout] 110 | #[cfg(feature = "grpc")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `clap`, `client`, `default`, `full`, `persistent`, and `server`
[INFO] [stdout]     = help: consider adding `grpc` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow::Result`
[INFO] [stdout]  --> tests/integration/grpc/concurrent.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use anyhow::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `uuid::Uuid`
[INFO] [stdout]  --> tests/integration/grpc/concurrent.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use uuid::Uuid;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `garbagetruck::proto::ObjectType`
[INFO] [stdout]  --> tests/integration/grpc/concurrent.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use garbagetruck::proto::ObjectType;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TestHarness` and `print_test_header`
[INFO] [stdout]  --> tests/integration/grpc/concurrent.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::integration::{print_test_header, TestHarness};
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Lease` and `ObjectType`
[INFO] [stdout]   --> tests/integration/service/mod.rs:48:35
[INFO] [stdout]    |
[INFO] [stdout] 48 |         use garbagetruck::lease::{Lease, ObjectType};
[INFO] [stdout]    |                                   ^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]   --> tests/integration/service/mod.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |         use std::collections::HashMap;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow::Result`
[INFO] [stdout]  --> tests/integration/cross_backend/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use anyhow::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `MemoryStorage` and `Storage`
[INFO] [stdout]  --> tests/integration/cross_backend/mod.rs:6:29
[INFO] [stdout]   |
[INFO] [stdout] 6 | use garbagetruck::storage::{MemoryStorage, Storage};
[INFO] [stdout]   |                             ^^^^^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `skip_if_no_env` and `test_data::create_test_lease_data`
[INFO] [stdout]   --> tests/integration/cross_backend/mod.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::helpers::{skip_if_no_env, test_data::create_test_lease_data};
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `without_gc_stats`
[INFO] [stdout]    --> src/bin/experiment/main.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |     let without_gc_stats = run_experiment_without_garbagetruck(&config).await?;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_without_gc_stats`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `with_gc_stats`
[INFO] [stdout]    --> src/bin/experiment/main.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |     let with_gc_stats = run_experiment_with_garbagetruck(&config).await?;
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_with_gc_stats`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `remaining_files`
[INFO] [stdout]    --> src/bin/experiment/main.rs:150:10
[INFO] [stdout]     |
[INFO] [stdout] 150 |     let (remaining_files, remaining_bytes) = simulator.count_remaining_files()?;
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remaining_files`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `remaining_bytes`
[INFO] [stdout]    --> src/bin/experiment/main.rs:150:27
[INFO] [stdout]     |
[INFO] [stdout] 150 |     let (remaining_files, remaining_bytes) = simulator.count_remaining_files()?;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remaining_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `without_gc_stats`
[INFO] [stdout]    --> src/bin/experiment/main.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |     let without_gc_stats = run_experiment_without_garbagetruck(&config).await?;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_without_gc_stats`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `with_gc_stats`
[INFO] [stdout]    --> src/bin/experiment/main.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |     let with_gc_stats = run_experiment_with_garbagetruck(&config).await?;
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_with_gc_stats`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `remaining_files`
[INFO] [stdout]    --> src/bin/experiment/main.rs:197:10
[INFO] [stdout]     |
[INFO] [stdout] 197 |     let (remaining_files, remaining_bytes) = simulator.count_remaining_files()?;
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remaining_files`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `remaining_bytes`
[INFO] [stdout]    --> src/bin/experiment/main.rs:197:27
[INFO] [stdout]     |
[INFO] [stdout] 197 |     let (remaining_files, remaining_bytes) = simulator.count_remaining_files()?;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remaining_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `remaining_files`
[INFO] [stdout]    --> src/bin/experiment/main.rs:150:10
[INFO] [stdout]     |
[INFO] [stdout] 150 |     let (remaining_files, remaining_bytes) = simulator.count_remaining_files()?;
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remaining_files`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `remaining_bytes`
[INFO] [stdout]    --> src/bin/experiment/main.rs:150:27
[INFO] [stdout]     |
[INFO] [stdout] 150 |     let (remaining_files, remaining_bytes) = simulator.count_remaining_files()?;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remaining_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `remaining_files`
[INFO] [stdout]    --> src/bin/experiment/main.rs:197:10
[INFO] [stdout]     |
[INFO] [stdout] 197 |     let (remaining_files, remaining_bytes) = simulator.count_remaining_files()?;
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remaining_files`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `remaining_bytes`
[INFO] [stdout]    --> src/bin/experiment/main.rs:197:27
[INFO] [stdout]     |
[INFO] [stdout] 197 |     let (remaining_files, remaining_bytes) = simulator.count_remaining_files()?;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remaining_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/cli/main.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |     let mut client = match GCClient::new(&cli.endpoint, cli.service_id.clone()).await {
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> examples/persistent_storage_example.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::HashMap;
[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: `ObjectType`
[INFO] [stdout]   --> examples/persistent_storage_example.rs:11:28
[INFO] [stdout]    |
[INFO] [stdout] 11 |     lease::{CleanupConfig, ObjectType},
[INFO] [stdout]    |                            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/server/main.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let mut config = match Config::from_env() {
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/server/main.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let mut config = match Config::from_env() {
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/cli/main.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |     let mut client = match GCClient::new(&cli.endpoint, cli.service_id.clone()).await {
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `storage::Storage`
[INFO] [stdout]  --> tests/integration/storage/memory.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     storage::Storage,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/integration/storage/memory.rs:254:9
[INFO] [stdout]     |
[INFO] [stdout] 254 |     let mut expired_lease = Lease::new(
[INFO] [stdout]     |         ----^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `port`
[INFO] [stdout]   --> tests/integration/mod.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let port = cleanup_server.get_port();
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_port`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TestHarness` is never constructed
[INFO] [stdout]   --> tests/integration/mod.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct TestHarness {
[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`, `create_test_lease`, `create_test_lease_custom`, `unique_object_id`, and `wait_for_condition` are never used
[INFO] [stdout]    --> tests/integration/mod.rs:35:18
[INFO] [stdout]     |
[INFO] [stdout]  33 | impl TestHarness {
[INFO] [stdout]     | ---------------- associated items in this implementation
[INFO] [stdout]  34 |     /// Create a new test harness
[INFO] [stdout]  35 |     pub async fn new() -> Result<Self> {
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] ...
[INFO] [stdout]  57 |     pub async fn create_test_lease(
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  89 |     pub async fn create_test_lease_custom(
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |     pub fn unique_object_id(&self, prefix: &str) -> String {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 129 |     pub async fn wait_for_condition<F>(&self, mut condition: F, timeout: Duration) -> bool
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_test_success` is never used
[INFO] [stdout]    --> tests/integration/mod.rs:150:8
[INFO] [stdout]     |
[INFO] [stdout] 150 | pub fn print_test_success(test_name: &str) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_lease_request` is never used
[INFO] [stdout]   --> tests/integration/grpc/mod.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn create_lease_request(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_lease_request_with_metadata` is never used
[INFO] [stdout]   --> tests/integration/grpc/mod.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub fn create_lease_request_with_metadata(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_lease_request_no_cleanup` is never used
[INFO] [stdout]   --> tests/integration/grpc/mod.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub fn create_lease_request_no_cleanup(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `create_test_lease` and `wait_for_cleanup` are never used
[INFO] [stdout]   --> tests/integration/service/mod.rs:47:18
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl TestHarness {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub async fn create_test_lease(&self) -> Result<String, Box<dyn std::error::Error>> {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub async fn wait_for_cleanup(&self, timeout: Duration) {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_memory_config` is never used
[INFO] [stdout]    --> tests/integration/service/mod.rs:219:8
[INFO] [stdout]     |
[INFO] [stdout] 219 | pub fn create_memory_config() -> Config {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_persistent_config` is never used
[INFO] [stdout]    --> tests/integration/service/mod.rs:224:8
[INFO] [stdout]     |
[INFO] [stdout] 224 | pub fn create_persistent_config(data_dir: &str) -> Config {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_test_config_with_cleanup_interval` is never used
[INFO] [stdout]    --> tests/integration/service/mod.rs:245:8
[INFO] [stdout]     |
[INFO] [stdout] 245 | pub fn create_test_config_with_cleanup_interval(interval_seconds: u64) -> Config {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `service`
[INFO] [stdout]    --> examples/persistent_storage_example.rs:195:13
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let service = GCService::new(config, metrics).await?;
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_service`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `service`
[INFO] [stdout]    --> examples/persistent_storage_example.rs:223:9
[INFO] [stdout]     |
[INFO] [stdout] 223 |     let service = GCService::new(config, metrics).await?;
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_service`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lease_management_example` is never used
[INFO] [stdout]    --> examples/persistent_storage_example.rs:356:10
[INFO] [stdout]     |
[INFO] [stdout] 356 | async fn lease_management_example() -> Result<()> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `environment_config_example` is never used
[INFO] [stdout]    --> examples/persistent_storage_example.rs:406:10
[INFO] [stdout]     |
[INFO] [stdout] 406 | async fn environment_config_example() -> Result<()> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `monitoring_integration_example` is never used
[INFO] [stdout]    --> examples/persistent_storage_example.rs:450:10
[INFO] [stdout]     |
[INFO] [stdout] 450 | async fn monitoring_integration_example() -> Result<()> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_additional_examples` is never used
[INFO] [stdout]    --> examples/persistent_storage_example.rs:488:10
[INFO] [stdout]     |
[INFO] [stdout] 488 | async fn run_additional_examples() -> Result<()> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 23s
[INFO] running `Command { std: "docker" "inspect" "23d2dfe338e0c80a7ad296fa4c8a90dd5c441e8c7f87d83167b241d2636e3afa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23d2dfe338e0c80a7ad296fa4c8a90dd5c441e8c7f87d83167b241d2636e3afa", kill_on_drop: false }`
[INFO] [stdout] 23d2dfe338e0c80a7ad296fa4c8a90dd5c441e8c7f87d83167b241d2636e3afa
