[INFO] cloning repository https://github.com/pothiq1/distributed-cache-sidecar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pothiq1/distributed-cache-sidecar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpothiq1%2Fdistributed-cache-sidecar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpothiq1%2Fdistributed-cache-sidecar'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f9e3236e5d0ae11a3cff2f7b3e97ceb68f24715b
[INFO] checking pothiq1/distributed-cache-sidecar against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpothiq1%2Fdistributed-cache-sidecar" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pothiq1/distributed-cache-sidecar
[INFO] finished tweaking git repo https://github.com/pothiq1/distributed-cache-sidecar
[INFO] tweaked toml for git repo https://github.com/pothiq1/distributed-cache-sidecar written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pothiq1/distributed-cache-sidecar on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pothiq1/distributed-cache-sidecar 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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db90c1e9eac0cbb947c11049c6affd4f2328b14a9c2a1327d529871822bbebd5
[INFO] running `Command { std: "docker" "start" "-a" "db90c1e9eac0cbb947c11049c6affd4f2328b14a9c2a1327d529871822bbebd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db90c1e9eac0cbb947c11049c6affd4f2328b14a9c2a1327d529871822bbebd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db90c1e9eac0cbb947c11049c6affd4f2328b14a9c2a1327d529871822bbebd5", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65052bda2ebfe1236899c3e14f813728b34550b0cdb9073d407c6b244d77886c
[INFO] running `Command { std: "docker" "start" "-a" "65052bda2ebfe1236899c3e14f813728b34550b0cdb9073d407c6b244d77886c", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `tonic::transport::Channel`
[INFO] [stdout]  --> src/replication.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tonic::transport::Channel;
[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: `Certificate`
[INFO] [stdout]  --> src/security.rs:5:24
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tonic::transport::{Certificate, Identity, ServerTlsConfig};
[INFO] [stdout]   |                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tonic::transport::Channel`
[INFO] [stdout]  --> src/replication.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tonic::transport::Channel;
[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: `Certificate`
[INFO] [stdout]  --> src/security.rs:5:24
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tonic::transport::{Certificate, Identity, ServerTlsConfig};
[INFO] [stdout]   |                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/cache.rs:83:21
[INFO] [stdout]    |
[INFO] [stdout] 83 |                     _ => {
[INFO] [stdout]    |                     ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/cache.rs:83:21
[INFO] [stdout]    |
[INFO] [stdout] 77 |                     crate::transaction_manager::Operation::Put { key, value, ttl } => {
[INFO] [stdout]    |                     -------------------------------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 80 |                     crate::transaction_manager::Operation::Evict { key, .. } => {
[INFO] [stdout]    |                     -------------------------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 83 |                     _ => {
[INFO] [stdout]    |                     ^ collectively making this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/hashing.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let mut iter = ring.range(hash..).chain(ring.iter());
[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: unreachable pattern
[INFO] [stdout]   --> src/cache.rs:83:21
[INFO] [stdout]    |
[INFO] [stdout] 83 |                     _ => {
[INFO] [stdout]    |                     ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/cache.rs:83:21
[INFO] [stdout]    |
[INFO] [stdout] 77 |                     crate::transaction_manager::Operation::Put { key, value, ttl } => {
[INFO] [stdout]    |                     -------------------------------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 80 |                     crate::transaction_manager::Operation::Evict { key, .. } => {
[INFO] [stdout]    |                     -------------------------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 83 |                     _ => {
[INFO] [stdout]    |                     ^ collectively making this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cache_clone`
[INFO] [stdout]   --> src/monitoring.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let cache_clone = cache.clone();
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cache_clone`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hasher_clone`
[INFO] [stdout]   --> src/monitoring.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let hasher_clone = hasher.clone();
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hasher_clone`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config_clone`
[INFO] [stdout]   --> src/monitoring.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let config_clone = config.clone();
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_config_clone`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config_clone_update`
[INFO] [stdout]    --> src/monitoring.rs:112:13
[INFO] [stdout]     |
[INFO] [stdout] 112 |         let config_clone_update = config.clone();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_config_clone_update`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/hashing.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let mut iter = ring.range(hash..).chain(ring.iter());
[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: `cache_clone`
[INFO] [stdout]   --> src/monitoring.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let cache_clone = cache.clone();
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cache_clone`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hasher_clone`
[INFO] [stdout]   --> src/monitoring.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let hasher_clone = hasher.clone();
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hasher_clone`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config_clone`
[INFO] [stdout]   --> src/monitoring.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let config_clone = config.clone();
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_config_clone`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config_clone_update`
[INFO] [stdout]    --> src/monitoring.rs:112:13
[INFO] [stdout]     |
[INFO] [stdout] 112 |         let config_clone_update = config.clone();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_config_clone_update`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `frequency_threshold` is never read
[INFO] [stdout]   --> src/cache.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Cache {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 21 |     frequency_threshold: 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: method `get_node` is never used
[INFO] [stdout]   --> src/hashing.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl ConsistentHashing {
[INFO] [stdout]    | ---------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn get_node(&self, key: &str) -> Option<String> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cache_hits` and `cache_misses` are never read
[INFO] [stdout]   --> src/monitoring.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct Monitoring {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout]  9 |     pub registry: Registry,
[INFO] [stdout] 10 |     pub cache_hits: IntCounterVec,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 11 |     pub cache_misses: IntCounterVec,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `search` is never used
[INFO] [stdout]   --> src/search_index.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl SearchIndex {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn search(&self, query_str: &str) -> Vec<String> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Put` and `Evict` are never constructed
[INFO] [stdout]   --> src/transaction_manager.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum Operation {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] 12 |     Put {
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     Evict {
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Operation` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `expires_at` are never read
[INFO] [stdout]   --> src/transaction_manager.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct Transaction {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 25 |     pub id: String,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 26 |     pub operations: Vec<Operation>,
[INFO] [stdout] 27 |     pub expires_at: Instant,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add_operation` and `cleanup_expired` are never used
[INFO] [stdout]   --> src/transaction_manager.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl TransactionManager {
[INFO] [stdout]    | ----------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 70 |     pub fn add_operation(&self, transaction_id: &str, operation: Operation) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 98 |     pub fn cleanup_expired(&self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/search_index.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         writer.add_document(doc);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let _ = writer.add_document(doc);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `frequency_threshold` is never read
[INFO] [stdout]   --> src/cache.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Cache {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 21 |     frequency_threshold: 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: method `get_node` is never used
[INFO] [stdout]   --> src/hashing.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl ConsistentHashing {
[INFO] [stdout]    | ---------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn get_node(&self, key: &str) -> Option<String> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cache_hits` and `cache_misses` are never read
[INFO] [stdout]   --> src/monitoring.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct Monitoring {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout]  9 |     pub registry: Registry,
[INFO] [stdout] 10 |     pub cache_hits: IntCounterVec,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 11 |     pub cache_misses: IntCounterVec,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `search` is never used
[INFO] [stdout]   --> src/search_index.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl SearchIndex {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn search(&self, query_str: &str) -> Vec<String> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Put` and `Evict` are never constructed
[INFO] [stdout]   --> src/transaction_manager.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum Operation {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] 12 |     Put {
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     Evict {
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Operation` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `expires_at` are never read
[INFO] [stdout]   --> src/transaction_manager.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct Transaction {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 25 |     pub id: String,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 26 |     pub operations: Vec<Operation>,
[INFO] [stdout] 27 |     pub expires_at: Instant,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add_operation` and `cleanup_expired` are never used
[INFO] [stdout]   --> src/transaction_manager.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl TransactionManager {
[INFO] [stdout]    | ----------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 70 |     pub fn add_operation(&self, transaction_id: &str, operation: Operation) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 98 |     pub fn cleanup_expired(&self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/search_index.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         writer.add_document(doc);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let _ = writer.add_document(doc);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 21s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: redis v0.23.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "65052bda2ebfe1236899c3e14f813728b34550b0cdb9073d407c6b244d77886c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65052bda2ebfe1236899c3e14f813728b34550b0cdb9073d407c6b244d77886c", kill_on_drop: false }`
[INFO] [stdout] 65052bda2ebfe1236899c3e14f813728b34550b0cdb9073d407c6b244d77886c
