[INFO] cloning repository https://github.com/1314forlife/chat_app
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/1314forlife/chat_app" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1314forlife%2Fchat_app", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1314forlife%2Fchat_app'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4dc1881435cdc0146e83dc42f07c0e0cb64a4345
[INFO] testing 1314forlife/chat_app against 1.97.0-beta.6 for beta-1.98-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1314forlife%2Fchat_app" "/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/1314forlife/chat_app
[INFO] finished tweaking git repo https://github.com/1314forlife/chat_app
[INFO] tweaked toml for git repo https://github.com/1314forlife/chat_app written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/1314forlife/chat_app on toolchain 1.97.0-beta.6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/1314forlife/chat_app 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" "+1.97.0-beta.6" "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-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 87d138657353ee141ef283a305027f6342a7c25f1b44986550fcc2e7841f838b
[INFO] running `Command { std: "docker" "start" "87d138657353ee141ef283a305027f6342a7c25f1b44986550fcc2e7841f838b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87d138657353ee141ef283a305027f6342a7c25f1b44986550fcc2e7841f838b", 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" "87d138657353ee141ef283a305027f6342a7c25f1b44986550fcc2e7841f838b" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87d138657353ee141ef283a305027f6342a7c25f1b44986550fcc2e7841f838b", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "87d138657353ee141ef283a305027f6342a7c25f1b44986550fcc2e7841f838b" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling chat_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::infrastructure::db::UserDb`
[INFO] [stdout]  --> src/infrastructure/repositories/sqlite_user_repo.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::infrastructure::db::UserDb;
[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: `std::sync::Arc`
[INFO] [stdout]  --> src/infrastructure/redis_client.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::Mutex`
[INFO] [stdout]  --> src/infrastructure/redis_client.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tokio::sync::Mutex;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::infrastructure::db::UserDb`
[INFO] [stdout]  --> src/infrastructure/repositories/sqlite_user_repo.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::infrastructure::db::UserDb;
[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: `memory_user_repo::MemoryUserRepository`
[INFO] [stdout]  --> src/infrastructure/repositories/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use memory_user_repo::MemoryUserRepository;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/infrastructure/redis_client.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::Mutex`
[INFO] [stdout]  --> src/infrastructure/redis_client.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tokio::sync::Mutex;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Room` is never constructed
[INFO] [stdout]  --> src/core/models/room.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Room {
[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`, `add_member`, and `remove_member` are never used
[INFO] [stdout]   --> src/core/models/room.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Room {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 12 |     pub fn new(id: String, name: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn add_member(&mut self, user_id: String) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn remove_member(&mut self, user_id: &str) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `find_by_id` and `get_online_users` are never used
[INFO] [stdout]   --> src/domain/traits/user_repository.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub trait UserRepository: Send + Sync {
[INFO] [stdout]    |           -------------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 11 |     fn find_by_id(&self, id: &str) -> Result<Option<User>>;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn get_online_users(&self) -> Result<Vec<User>>;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_user_by_id` is never used
[INFO] [stdout]    --> src/domain/services/chat_service.rs:126:18
[INFO] [stdout]     |
[INFO] [stdout]  16 | impl ChatService {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 126 |     pub async fn get_user_by_id(&self, user_id: &str) -> Option<User> {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MemoryUserRepository` is never constructed
[INFO] [stdout]  --> src/infrastructure/repositories/memory_user_repo.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct MemoryUserRepository {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/infrastructure/repositories/memory_user_repo.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl MemoryUserRepository {
[INFO] [stdout]    | ------------------------- associated function in this implementation
[INFO] [stdout] 13 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/infrastructure/broadcast/broadcast_manager.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct ClientConnection {
[INFO] [stdout]    |            ---------------- field in this struct
[INFO] [stdout] 10 |     pub id: String,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `send_to_user` and `get_online_users` are never used
[INFO] [stdout]   --> src/infrastructure/broadcast/broadcast_manager.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl BroadcastManager {
[INFO] [stdout]    | --------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn send_to_user(&self, user_id: &str, message: &str) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 83 |     pub fn get_online_users(&self) -> Vec<String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UserDb` is never constructed
[INFO] [stdout]   --> src/infrastructure/db/mod.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct UserDb {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_user` is never used
[INFO] [stdout]   --> src/infrastructure/db/mod.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl UserDb {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 36 |     pub fn to_user(&self) -> User {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 42s
[INFO] running `Command { std: "docker" "inspect" "87d138657353ee141ef283a305027f6342a7c25f1b44986550fcc2e7841f838b", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "87d138657353ee141ef283a305027f6342a7c25f1b44986550fcc2e7841f838b" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `crate::infrastructure::db::UserDb`
[INFO] [stdout]  --> src/infrastructure/repositories/sqlite_user_repo.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::infrastructure::db::UserDb;
[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: `std::sync::Arc`
[INFO] [stdout]  --> src/infrastructure/redis_client.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling chat_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `tokio::sync::Mutex`
[INFO] [stdout]  --> src/infrastructure/redis_client.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tokio::sync::Mutex;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::infrastructure::db::UserDb`
[INFO] [stdout]  --> src/infrastructure/repositories/sqlite_user_repo.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::infrastructure::db::UserDb;
[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: `std::sync::Arc`
[INFO] [stdout]  --> src/infrastructure/redis_client.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::Mutex`
[INFO] [stdout]  --> src/infrastructure/redis_client.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tokio::sync::Mutex;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::infrastructure::db::UserDb`
[INFO] [stdout]  --> src/infrastructure/repositories/sqlite_user_repo.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::infrastructure::db::UserDb;
[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: `memory_user_repo::MemoryUserRepository`
[INFO] [stdout]  --> src/infrastructure/repositories/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use memory_user_repo::MemoryUserRepository;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/infrastructure/redis_client.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::Mutex`
[INFO] [stdout]  --> src/infrastructure/redis_client.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tokio::sync::Mutex;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Room` is never constructed
[INFO] [stdout]  --> src/core/models/room.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Room {
[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`, `add_member`, and `remove_member` are never used
[INFO] [stdout]   --> src/core/models/room.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Room {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 12 |     pub fn new(id: String, name: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn add_member(&mut self, user_id: String) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn remove_member(&mut self, user_id: &str) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `find_by_id` and `get_online_users` are never used
[INFO] [stdout]   --> src/domain/traits/user_repository.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub trait UserRepository: Send + Sync {
[INFO] [stdout]    |           -------------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 11 |     fn find_by_id(&self, id: &str) -> Result<Option<User>>;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn get_online_users(&self) -> Result<Vec<User>>;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_user_by_id` is never used
[INFO] [stdout]    --> src/domain/services/chat_service.rs:126:18
[INFO] [stdout]     |
[INFO] [stdout]  16 | impl ChatService {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 126 |     pub async fn get_user_by_id(&self, user_id: &str) -> Option<User> {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MemoryUserRepository` is never constructed
[INFO] [stdout]  --> src/infrastructure/repositories/memory_user_repo.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct MemoryUserRepository {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/infrastructure/repositories/memory_user_repo.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl MemoryUserRepository {
[INFO] [stdout]    | ------------------------- associated function in this implementation
[INFO] [stdout] 13 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/infrastructure/broadcast/broadcast_manager.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct ClientConnection {
[INFO] [stdout]    |            ---------------- field in this struct
[INFO] [stdout] 10 |     pub id: String,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `send_to_user` and `get_online_users` are never used
[INFO] [stdout]   --> src/infrastructure/broadcast/broadcast_manager.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl BroadcastManager {
[INFO] [stdout]    | --------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn send_to_user(&self, user_id: &str, message: &str) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 83 |     pub fn get_online_users(&self) -> Vec<String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UserDb` is never constructed
[INFO] [stdout]   --> src/infrastructure/db/mod.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct UserDb {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_user` is never used
[INFO] [stdout]   --> src/infrastructure/db/mod.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl UserDb {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 36 |     pub fn to_user(&self) -> User {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.59s
[INFO] running `Command { std: "docker" "inspect" "87d138657353ee141ef283a305027f6342a7c25f1b44986550fcc2e7841f838b", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "87d138657353ee141ef283a305027f6342a7c25f1b44986550fcc2e7841f838b" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::infrastructure::db::UserDb`
[INFO] [stderr]  --> src/infrastructure/repositories/sqlite_user_repo.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::infrastructure::db::UserDb;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::Arc`
[INFO] [stderr]  --> src/infrastructure/redis_client.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::sync::Arc;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio::sync::Mutex`
[INFO] [stderr]  --> src/infrastructure/redis_client.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use tokio::sync::Mutex;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `chat_server` (lib) generated 3 warnings (run `cargo fix --lib -p chat_server` to apply 3 suggestions)
[INFO] [stderr] warning: `chat_server` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr] warning: unused import: `memory_user_repo::MemoryUserRepository`
[INFO] [stderr]  --> src/infrastructure/repositories/mod.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub use memory_user_repo::MemoryUserRepository;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Room` is never constructed
[INFO] [stderr]  --> src/core/models/room.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct Room {
[INFO] [stderr]   |            ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `add_member`, and `remove_member` are never used
[INFO] [stderr]   --> src/core/models/room.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl Room {
[INFO] [stderr]    | --------- associated items in this implementation
[INFO] [stderr] 12 |     pub fn new(id: String, name: String) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 20 |     pub fn add_member(&mut self, user_id: String) {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 24 |     pub fn remove_member(&mut self, user_id: &str) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `find_by_id` and `get_online_users` are never used
[INFO] [stderr]   --> src/domain/traits/user_repository.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr]  6 | pub trait UserRepository: Send + Sync {
[INFO] [stderr]    |           -------------- methods in this trait
[INFO] [stderr] ...
[INFO] [stderr] 11 |     fn find_by_id(&self, id: &str) -> Result<Option<User>>;
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 17 |     fn get_online_users(&self) -> Result<Vec<User>>;
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `get_user_by_id` is never used
[INFO] [stderr]    --> src/domain/services/chat_service.rs:126:18
[INFO] [stderr]     |
[INFO] [stderr]  16 | impl ChatService {
[INFO] [stderr]     | ---------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 126 |     pub async fn get_user_by_id(&self, user_id: &str) -> Option<User> {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `MemoryUserRepository` is never constructed
[INFO] [stderr]  --> src/infrastructure/repositories/memory_user_repo.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub struct MemoryUserRepository {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/infrastructure/repositories/memory_user_repo.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl MemoryUserRepository {
[INFO] [stderr]    | ------------------------- associated function in this implementation
[INFO] [stderr] 13 |     pub fn new() -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `id` is never read
[INFO] [stderr]   --> src/infrastructure/broadcast/broadcast_manager.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr]  9 | pub struct ClientConnection {
[INFO] [stderr]    |            ---------------- field in this struct
[INFO] [stderr] 10 |     pub id: String,
[INFO] [stderr]    |         ^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `send_to_user` and `get_online_users` are never used
[INFO] [stderr]   --> src/infrastructure/broadcast/broadcast_manager.rs:49:12
[INFO] [stderr]    |
[INFO] [stderr] 19 | impl BroadcastManager {
[INFO] [stderr]    | --------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 49 |     pub fn send_to_user(&self, user_id: &str, message: &str) -> Result<()> {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 83 |     pub fn get_online_users(&self) -> Vec<String> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `UserDb` is never constructed
[INFO] [stderr]   --> src/infrastructure/db/mod.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub struct UserDb {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `to_user` is never used
[INFO] [stderr]   --> src/infrastructure/db/mod.rs:36:12
[INFO] [stderr]    |
[INFO] [stderr] 35 | impl UserDb {
[INFO] [stderr]    | ----------- method in this implementation
[INFO] [stderr] 36 |     pub fn to_user(&self) -> User {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `chat_server` (bin "chat_server" test) generated 14 warnings (3 duplicates) (run `cargo fix --bin "chat_server" -p chat_server --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/chat_server-258597797da16fa5)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chat_server-8101355700fafbb0)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests chat_server
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "87d138657353ee141ef283a305027f6342a7c25f1b44986550fcc2e7841f838b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87d138657353ee141ef283a305027f6342a7c25f1b44986550fcc2e7841f838b", kill_on_drop: false }`
[INFO] [stdout] 87d138657353ee141ef283a305027f6342a7c25f1b44986550fcc2e7841f838b
