[INFO] cloning repository https://github.com/bani2016up/load-balancer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bani2016up/load-balancer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbani2016up%2Fload-balancer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbani2016up%2Fload-balancer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 209608dd57fa5c3d37ff6a85e7a01ee7474b21fe
[INFO] testing bani2016up/load-balancer against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbani2016up%2Fload-balancer" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/bani2016up/load-balancer
[INFO] finished tweaking git repo https://github.com/bani2016up/load-balancer
[INFO] tweaked toml for git repo https://github.com/bani2016up/load-balancer written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bani2016up/load-balancer on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/bani2016up/load-balancer 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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c60f2216dbb4805f9e7e0f5c01f5a8f34f61848e3b364b7637ab38c1c2472cd9
[INFO] running `Command { std: "docker" "start" "-a" "c60f2216dbb4805f9e7e0f5c01f5a8f34f61848e3b364b7637ab38c1c2472cd9", kill_on_drop: false }`
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[INFO] [stdout] c60f2216dbb4805f9e7e0f5c01f5a8f34f61848e3b364b7637ab38c1c2472cd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 881d900d58730c96a734cc975ed564485299d72e080e0810e6bcffeb5fb836ed
[INFO] running `Command { std: "docker" "start" "-a" "881d900d58730c96a734cc975ed564485299d72e080e0810e6bcffeb5fb836ed", kill_on_drop: false }`
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[INFO] [stderr]    Compiling memchr v2.7.6
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[INFO] [stderr]    Compiling load-balancer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/core/load_balancer.rs:28:14
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let (mut incoming_stream, addr) = listener.accept().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 variable: `addr`
[INFO] [stdout]   --> src/core/load_balancer.rs:28:35
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let (mut incoming_stream, addr) = listener.accept().await?;
[INFO] [stdout]    |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `session_id`
[INFO] [stdout]   --> src/infrastructure/fast_tcp_pool.rs:42:36
[INFO] [stdout]    |
[INFO] [stdout] 42 |     async fn get_connection(&self, session_id: u64) -> Option<TcpStream> {
[INFO] [stdout]    |                                    ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_session_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_built` is never used
[INFO] [stdout]   --> src/config/app.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl AppConfig {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn is_built(&self) -> bool {
[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 `uuid` is never read
[INFO] [stdout]  --> src/domain/backend_conn.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct ConnString {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 5 |     uuid: Uuid,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ConnString` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new_from_address`, `get_host`, `get_port`, and `get_uuid` are never used
[INFO] [stdout]   --> src/domain/backend_conn.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl ConnString {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn new_from_address(address: &str) -> Result<Self, String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn get_host(&self) -> &str {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn get_port(&self) -> u16 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn get_uuid(&self) -> Uuid {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Status` is never used
[INFO] [stdout]  --> src/domain/request.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Status {
[INFO] [stdout]   |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Request` is never constructed
[INFO] [stdout]   --> src/domain/request.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Request {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/domain/request.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Request {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 22 |     pub fn new(target: String, user_id: Uuid) -> Request {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn get_target(&self) -> &str {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn get_user_id(&self) -> Uuid {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn get_status(&self) -> &Status {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn set_status(&mut self, status: Status) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn set_bytes(&mut self, bytes: usize) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub fn set_time_taken(&mut self, time_taken: f64) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `TcpConnectionPool` is never used
[INFO] [stdout]  --> src/domain/tcp_conn_pool.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait TcpConnectionPool {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SmartTcpConnectionPool` is never used
[INFO] [stdout]  --> src/domain/tcp_conn_pool.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub trait SmartTcpConnectionPool {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `max_pool_size` is never read
[INFO] [stdout]   --> src/infrastructure/fast_tcp_pool.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct ConnectionPool {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub max_pool_size: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ConnectionPool` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `return_connection` is never used
[INFO] [stdout]   --> src/infrastructure/fast_tcp_pool.rs:33:18
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl ConnectionPool {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub async fn return_connection(&self, backend_idx: usize, stream: TcpStream) {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SmartTcpConnPool` is never constructed
[INFO] [stdout]   --> src/infrastructure/smart_tcp_pool.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct SmartTcpConnPool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `get_or_assign_backend`, and `next_backend` are never used
[INFO] [stdout]   --> src/infrastructure/smart_tcp_pool.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl SmartTcpConnPool {
[INFO] [stdout]    | --------------------- associated items in this implementation
[INFO] [stdout] 18 |     pub fn new(backends_hosts: Vec<ConnString>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     fn get_or_assign_backend(&mut self, user_id: Uuid) -> Uuid {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     fn next_backend(&mut self) -> &ConnString {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RoundTcpConnectionPool` is never constructed
[INFO] [stdout]  --> src/infrastructure/tcp_round_pool.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct RoundTcpConnectionPool {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/infrastructure/tcp_round_pool.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl RoundTcpConnectionPool {
[INFO] [stdout]    | --------------------------- associated function in this implementation
[INFO] [stdout] 12 |     pub fn new(target_addr: &str, max_connections: usize) -> RoundTcpConnectionPool {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 38.89s
[INFO] running `Command { std: "docker" "inspect" "881d900d58730c96a734cc975ed564485299d72e080e0810e6bcffeb5fb836ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "881d900d58730c96a734cc975ed564485299d72e080e0810e6bcffeb5fb836ed", kill_on_drop: false }`
[INFO] [stdout] 881d900d58730c96a734cc975ed564485299d72e080e0810e6bcffeb5fb836ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b9d5883e4126f3501026e76ce7677cab9cd6e275d1831d251e7ab1e6c245887
[INFO] running `Command { std: "docker" "start" "-a" "4b9d5883e4126f3501026e76ce7677cab9cd6e275d1831d251e7ab1e6c245887", kill_on_drop: false }`
[INFO] [stderr]    Compiling load-balancer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/core/load_balancer.rs:28:14
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let (mut incoming_stream, addr) = listener.accept().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 variable: `addr`
[INFO] [stdout]   --> src/core/load_balancer.rs:28:35
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let (mut incoming_stream, addr) = listener.accept().await?;
[INFO] [stdout]    |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `session_id`
[INFO] [stdout]   --> src/infrastructure/fast_tcp_pool.rs:42:36
[INFO] [stdout]    |
[INFO] [stdout] 42 |     async fn get_connection(&self, session_id: u64) -> Option<TcpStream> {
[INFO] [stdout]    |                                    ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_session_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_built` is never used
[INFO] [stdout]   --> src/config/app.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl AppConfig {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn is_built(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_host` and `get_port` are never used
[INFO] [stdout]   --> src/domain/backend_conn.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl ConnString {
[INFO] [stdout]    | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn get_host(&self) -> &str {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn get_port(&self) -> u16 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Completed` and `Failed` are never constructed
[INFO] [stdout]  --> src/domain/request.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Status {
[INFO] [stdout]   |          ------ variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 7 |     Completed,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 8 |     Failed,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Status` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `uuid` and `user_id` are never read
[INFO] [stdout]   --> src/domain/request.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Request {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 13 |     uuid: Uuid,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     user_id: Uuid,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Request` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_user_id` is never used
[INFO] [stdout]   --> src/domain/request.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Request {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn get_user_id(&self) -> Uuid {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `TcpConnectionPool` is never used
[INFO] [stdout]  --> src/domain/tcp_conn_pool.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait TcpConnectionPool {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RoundTcpConnectionPool` is never constructed
[INFO] [stdout]  --> src/infrastructure/tcp_round_pool.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct RoundTcpConnectionPool {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/infrastructure/tcp_round_pool.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl RoundTcpConnectionPool {
[INFO] [stdout]    | --------------------------- associated function in this implementation
[INFO] [stdout] 12 |     pub fn new(target_addr: &str, max_connections: usize) -> RoundTcpConnectionPool {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `Command { std: "docker" "inspect" "4b9d5883e4126f3501026e76ce7677cab9cd6e275d1831d251e7ab1e6c245887", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b9d5883e4126f3501026e76ce7677cab9cd6e275d1831d251e7ab1e6c245887", kill_on_drop: false }`
[INFO] [stdout] 4b9d5883e4126f3501026e76ce7677cab9cd6e275d1831d251e7ab1e6c245887
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d9600a3e28dd944596b27224b16e9067005f3924ceae743e5057fd4fb634bcaa
[INFO] running `Command { std: "docker" "start" "-a" "d9600a3e28dd944596b27224b16e9067005f3924ceae743e5057fd4fb634bcaa", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/core/load_balancer.rs:28:14
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let (mut incoming_stream, addr) = listener.accept().await?;
[INFO] [stderr]    |              ----^^^^^^^^^^^^^^^
[INFO] [stderr]    |              |
[INFO] [stderr]    |              help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/core/load_balancer.rs:28:35
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let (mut incoming_stream, addr) = listener.accept().await?;
[INFO] [stderr]    |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `session_id`
[INFO] [stderr]   --> src/infrastructure/fast_tcp_pool.rs:42:36
[INFO] [stderr]    |
[INFO] [stderr] 42 |     async fn get_connection(&self, session_id: u64) -> Option<TcpStream> {
[INFO] [stderr]    |                                    ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_session_id`
[INFO] [stderr] 
[INFO] [stderr] warning: method `is_built` is never used
[INFO] [stderr]   --> src/config/app.rs:43:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl AppConfig {
[INFO] [stderr]    | -------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 43 |     pub fn is_built(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `get_host` and `get_port` are never used
[INFO] [stderr]   --> src/domain/backend_conn.rs:35:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | impl ConnString {
[INFO] [stderr]    | --------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 35 |     pub fn get_host(&self) -> &str {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 39 |     pub fn get_port(&self) -> u16 {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Completed` and `Failed` are never constructed
[INFO] [stderr]  --> src/domain/request.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub enum Status {
[INFO] [stderr]   |          ------ variants in this enum
[INFO] [stderr] ...
[INFO] [stderr] 7 |     Completed,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 8 |     Failed,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Status` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `uuid` and `user_id` are never read
[INFO] [stderr]   --> src/domain/request.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub struct Request {
[INFO] [stderr]    |            ------- fields in this struct
[INFO] [stderr] 13 |     uuid: Uuid,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 16 |     user_id: Uuid,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Request` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: method `get_user_id` is never used
[INFO] [stderr]   --> src/domain/request.rs:37:12
[INFO] [stderr]    |
[INFO] [stderr] 21 | impl Request {
[INFO] [stderr]    | ------------ method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 37 |     pub fn get_user_id(&self) -> Uuid {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `TcpConnectionPool` is never used
[INFO] [stderr]  --> src/domain/tcp_conn_pool.rs:4:11
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub trait TcpConnectionPool {
[INFO] [stderr]   |           ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `RoundTcpConnectionPool` is never constructed
[INFO] [stderr]  --> src/infrastructure/tcp_round_pool.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct RoundTcpConnectionPool {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/infrastructure/tcp_round_pool.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl RoundTcpConnectionPool {
[INFO] [stderr]    | --------------------------- associated function in this implementation
[INFO] [stderr] 12 |     pub fn new(target_addr: &str, max_connections: usize) -> RoundTcpConnectionPool {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `load-balancer` (bin "load-balancer" test) generated 11 warnings (run `cargo fix --bin "load-balancer" -p load-balancer --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/load_balancer-a13b6351134a415f)
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test core::load_balancer::tests::constructor_test ... ok
[INFO] [stdout] test core::load_balancer::tests::concurrent_get_connection_test ... ok
[INFO] [stdout] test core::load_balancer::tests::get_connection_handles_invalid_backend_test ... ok
[INFO] [stdout] test core::load_balancer::tests::return_connection_test ... ok
[INFO] [stdout] test core::load_balancer::tests::get_connection_creates_new_when_pool_empty_test ... ok
[INFO] [stdout] test domain::request::tests::change_status_test ... ok
[INFO] [stdout] test domain::request::tests::set_time_taken_test ... ok
[INFO] [stdout] test domain::request::tests::set_bytes_test ... ok
[INFO] [stdout] test core::load_balancer::tests::get_connection_round_robin_test ... ok
[INFO] [stdout] test domain::request::tests::constructor_test ... ok
[INFO] [stdout] test core::load_balancer::tests::get_connection_reuses_pooled_connection_test ... ok
[INFO] [stdout] test domain::backend_conn::tests::constructor_from_string_test ... ok
[INFO] [stdout] test core::load_balancer::tests::return_connection_respects_max_pool_size_test ... ok
[INFO] [stdout] test infrastructure::fast_tcp_pool::tests::concurrent_get_connection_test ... ok
[INFO] [stdout] test infrastructure::fast_tcp_pool::tests::constructor_test ... ok
[INFO] [stdout] test infrastructure::smart_tcp_pool::tests::constructor_test ... ok
[INFO] [stdout] test infrastructure::fast_tcp_pool::tests::get_connection_creates_new_when_pool_empty_test ... ok
[INFO] [stdout] test infrastructure::fast_tcp_pool::tests::get_connection_reuses_pooled_connection_test ... ok
[INFO] [stdout] test domain::backend_conn::tests::constructor_test ... ok
[INFO] [stdout] test infrastructure::fast_tcp_pool::tests::get_connection_round_robin_test ... ok
[INFO] [stdout] test infrastructure::fast_tcp_pool::tests::return_connection_test ... ok
[INFO] [stdout] test infrastructure::fast_tcp_pool::tests::get_connection_handles_invalid_backend_test ... ok
[INFO] [stdout] test infrastructure::fast_tcp_pool::tests::return_connection_respects_max_pool_size_test ... ok
[INFO] [stdout] test infrastructure::smart_tcp_pool::tests::get_connection_test ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- infrastructure::smart_tcp_pool::tests::get_connection_test stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'infrastructure::smart_tcp_pool::tests::get_connection_test' (49) panicked at src/infrastructure/smart_tcp_pool.rs:92:61:
[INFO] [stdout] called `Option::unwrap()` on a `None` value
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5d38f12fdd02 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5d38f12fdd02 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::trace_unsynchronized::<std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5d38f12fdd02 - std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5d38f12fdd02 - <<std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[c5ed12ab89cc536a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5d38f131384a - <core[c5ed12ab89cc536a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5d38f131384a - core[c5ed12ab89cc536a]::fmt::write
[INFO] [stdout]    6:     0x5d38f1302e56 - std[716c9a7a72e5c14e]::io::default_write_fmt::<alloc[9c68fdf4f4f29218]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5d38f1302e56 - <alloc[9c68fdf4f4f29218]::vec::Vec<u8> as std[716c9a7a72e5c14e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5d38f12db50f - <std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5d38f12db50f - std[716c9a7a72e5c14e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5d38f12f5a79 - std[716c9a7a72e5c14e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5d38f11ec90e - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5d38f11ec90e - test[64760d2bdea328cc]::test_main_with_exit_callback::<test[64760d2bdea328cc]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5d38f12f5ce2 - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5d38f12f5ce2 - std[716c9a7a72e5c14e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5d38f12db5fa - std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x5d38f12d2ee9 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_end_short_backtrace::<std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5d38f12dc5ed - __rustc[4f0b026143eab78e]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5d38f1313fbc - core[c5ed12ab89cc536a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5d38f1313f82 - core[c5ed12ab89cc536a]::panicking::panic
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x5d38f1313ca9 - core[c5ed12ab89cc536a]::option::unwrap_failed
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/option.rs:2199:5
[INFO] [stdout]   21:     0x5d38f11c7fdc - <core[c5ed12ab89cc536a]::option::Option<tokio[fc2cbc738e400f7a]::net::tcp::stream::TcpStream>>::unwrap
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/option.rs:1016:21
[INFO] [stdout]   22:     0x5d38f11c7fdc - load_balancer[8d1dc0fe78d475f5]::infrastructure::smart_tcp_pool::tests::get_connection_test::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/infrastructure/smart_tcp_pool.rs:92:61
[INFO] [stdout]   23:     0x5d38f11d6442 - <core[c5ed12ab89cc536a]::pin::Pin<&mut dyn core[c5ed12ab89cc536a]::future::future::Future<Output = ()>> as core[c5ed12ab89cc536a]::future::future::Future>::poll
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/future/future.rs:133:9
[INFO] [stdout]   24:     0x5d38f11d64bd - <core[c5ed12ab89cc536a]::pin::Pin<&mut core[c5ed12ab89cc536a]::pin::Pin<&mut dyn core[c5ed12ab89cc536a]::future::future::Future<Output = ()>>> as core[c5ed12ab89cc536a]::future::future::Future>::poll
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/future/future.rs:133:9
[INFO] [stdout]   25:     0x5d38f11bfe8d - <tokio[fc2cbc738e400f7a]::runtime::scheduler::current_thread::CoreGuard>::block_on::<core[c5ed12ab89cc536a]::pin::Pin<&mut core[c5ed12ab89cc536a]::pin::Pin<&mut dyn core[c5ed12ab89cc536a]::future::future::Future<Output = ()>>>>::{closure#0}::{closure#0}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.49.0/src/runtime/scheduler/current_thread/mod.rs:753:70
[INFO] [stdout]   26:     0x5d38f11bfd8b - tokio[fc2cbc738e400f7a]::task::coop::with_budget::<core[c5ed12ab89cc536a]::task::poll::Poll<()>, <tokio[fc2cbc738e400f7a]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[c5ed12ab89cc536a]::pin::Pin<&mut core[c5ed12ab89cc536a]::pin::Pin<&mut dyn core[c5ed12ab89cc536a]::future::future::Future<Output = ()>>>>::{closure#0}::{closure#0}::{closure#0}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.49.0/src/task/coop/mod.rs:167:5
[INFO] [stdout]   27:     0x5d38f11bfd8b - tokio[fc2cbc738e400f7a]::task::coop::budget::<core[c5ed12ab89cc536a]::task::poll::Poll<()>, <tokio[fc2cbc738e400f7a]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[c5ed12ab89cc536a]::pin::Pin<&mut core[c5ed12ab89cc536a]::pin::Pin<&mut dyn core[c5ed12ab89cc536a]::future::future::Future<Output = ()>>>>::{closure#0}::{closure#0}::{closure#0}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.49.0/src/task/coop/mod.rs:133:5
[INFO] [stdout]   28:     0x5d38f11bfd8b - <tokio[fc2cbc738e400f7a]::runtime::scheduler::current_thread::CoreGuard>::block_on::<core[c5ed12ab89cc536a]::pin::Pin<&mut core[c5ed12ab89cc536a]::pin::Pin<&mut dyn core[c5ed12ab89cc536a]::future::future::Future<Output = ()>>>>::{closure#0}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.49.0/src/runtime/scheduler/current_thread/mod.rs:753:25
[INFO] [stdout]   29:     0x5d38f11bb530 - <tokio[fc2cbc738e400f7a]::runtime::scheduler::current_thread::Context>::enter::<core[c5ed12ab89cc536a]::task::poll::Poll<()>, <tokio[fc2cbc738e400f7a]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[c5ed12ab89cc536a]::pin::Pin<&mut core[c5ed12ab89cc536a]::pin::Pin<&mut dyn core[c5ed12ab89cc536a]::future::future::Future<Output = ()>>>>::{closure#0}::{closure#0}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.49.0/src/runtime/scheduler/current_thread/mod.rs:442:19
[INFO] [stdout]   30:     0x5d38f11bf15d - <tokio[fc2cbc738e400f7a]::runtime::scheduler::current_thread::CoreGuard>::block_on::<core[c5ed12ab89cc536a]::pin::Pin<&mut core[c5ed12ab89cc536a]::pin::Pin<&mut dyn core[c5ed12ab89cc536a]::future::future::Future<Output = ()>>>>::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.49.0/src/runtime/scheduler/current_thread/mod.rs:752:44
[INFO] [stdout]   31:     0x5d38f11be454 - <tokio[fc2cbc738e400f7a]::runtime::scheduler::current_thread::CoreGuard>::enter::<<tokio[fc2cbc738e400f7a]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[c5ed12ab89cc536a]::pin::Pin<&mut core[c5ed12ab89cc536a]::pin::Pin<&mut dyn core[c5ed12ab89cc536a]::future::future::Future<Output = ()>>>>::{closure#0}, core[c5ed12ab89cc536a]::option::Option<()>>::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.49.0/src/runtime/scheduler/current_thread/mod.rs:840:68
[INFO] [stdout]   32:     0x5d38f11bae8b - <tokio[fc2cbc738e400f7a]::runtime::context::scoped::Scoped<tokio[fc2cbc738e400f7a]::runtime::scheduler::Context>>::set::<<tokio[fc2cbc738e400f7a]::runtime::scheduler::current_thread::CoreGuard>::enter<<tokio[fc2cbc738e400f7a]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[c5ed12ab89cc536a]::pin::Pin<&mut core[c5ed12ab89cc536a]::pin::Pin<&mut dyn core[c5ed12ab89cc536a]::future::future::Future<Output = ()>>>>::{closure#0}, core[c5ed12ab89cc536a]::option::Option<()>>::{closure#0}, (alloc[9c68fdf4f4f29218]::boxed::Box<tokio[fc2cbc738e400f7a]::runtime::scheduler::current_thread::Core>, core[c5ed12ab89cc536a]::option::Option<()>)>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.49.0/src/runtime/context/scoped.rs:40:9
[INFO] [stdout]   33:     0x5d38f11af959 - tokio[fc2cbc738e400f7a]::runtime::context::set_scheduler::<(alloc[9c68fdf4f4f29218]::boxed::Box<tokio[fc2cbc738e400f7a]::runtime::scheduler::current_thread::Core>, core[c5ed12ab89cc536a]::option::Option<()>), <tokio[fc2cbc738e400f7a]::runtime::scheduler::current_thread::CoreGuard>::enter<<tokio[fc2cbc738e400f7a]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[c5ed12ab89cc536a]::pin::Pin<&mut core[c5ed12ab89cc536a]::pin::Pin<&mut dyn core[c5ed12ab89cc536a]::future::future::Future<Output = ()>>>>::{closure#0}, core[c5ed12ab89cc536a]::option::Option<()>>::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.49.0/src/runtime/context.rs:176:38
[INFO] [stdout]   34:     0x5d38f11ad0c2 - <std[716c9a7a72e5c14e]::thread::local::LocalKey<tokio[fc2cbc738e400f7a]::runtime::context::Context>>::try_with::<tokio[fc2cbc738e400f7a]::runtime::context::set_scheduler<(alloc[9c68fdf4f4f29218]::boxed::Box<tokio[fc2cbc738e400f7a]::runtime::scheduler::current_thread::Core>, core[c5ed12ab89cc536a]::option::Option<()>), <tokio[fc2cbc738e400f7a]::runtime::scheduler::current_thread::CoreGuard>::enter<<tokio[fc2cbc738e400f7a]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[c5ed12ab89cc536a]::pin::Pin<&mut core[c5ed12ab89cc536a]::pin::Pin<&mut dyn core[c5ed12ab89cc536a]::future::future::Future<Output = ()>>>>::{closure#0}, core[c5ed12ab89cc536a]::option::Option<()>>::{closure#0}>::{closure#0}, (alloc[9c68fdf4f4f29218]::boxed::Box<tokio[fc2cbc738e400f7a]::runtime::scheduler::current_thread::Core>, core[c5ed12ab89cc536a]::option::Option<()>)>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/local.rs:513:12
[INFO] [stdout]   35:     0x5d38f11acc4e - <std[716c9a7a72e5c14e]::thread::local::LocalKey<tokio[fc2cbc738e400f7a]::runtime::context::Context>>::with::<tokio[fc2cbc738e400f7a]::runtime::context::set_scheduler<(alloc[9c68fdf4f4f29218]::boxed::Box<tokio[fc2cbc738e400f7a]::runtime::scheduler::current_thread::Core>, core[c5ed12ab89cc536a]::option::Option<()>), <tokio[fc2cbc738e400f7a]::runtime::scheduler::current_thread::CoreGuard>::enter<<tokio[fc2cbc738e400f7a]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[c5ed12ab89cc536a]::pin::Pin<&mut core[c5ed12ab89cc536a]::pin::Pin<&mut dyn core[c5ed12ab89cc536a]::future::future::Future<Output = ()>>>>::{closure#0}, core[c5ed12ab89cc536a]::option::Option<()>>::{closure#0}>::{closure#0}, (alloc[9c68fdf4f4f29218]::boxed::Box<tokio[fc2cbc738e400f7a]::runtime::scheduler::current_thread::Core>, core[c5ed12ab89cc536a]::option::Option<()>)>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/local.rs:477:20
[INFO] [stdout]   36:     0x5d38f11af7cd - tokio[fc2cbc738e400f7a]::runtime::context::set_scheduler::<(alloc[9c68fdf4f4f29218]::boxed::Box<tokio[fc2cbc738e400f7a]::runtime::scheduler::current_thread::Core>, core[c5ed12ab89cc536a]::option::Option<()>), <tokio[fc2cbc738e400f7a]::runtime::scheduler::current_thread::CoreGuard>::enter<<tokio[fc2cbc738e400f7a]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[c5ed12ab89cc536a]::pin::Pin<&mut core[c5ed12ab89cc536a]::pin::Pin<&mut dyn core[c5ed12ab89cc536a]::future::future::Future<Output = ()>>>>::{closure#0}, core[c5ed12ab89cc536a]::option::Option<()>>::{closure#0}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.49.0/src/runtime/context.rs:176:17
[INFO] [stdout]   37:     0x5d38f11bcff0 - <tokio[fc2cbc738e400f7a]::runtime::scheduler::current_thread::CoreGuard>::enter::<<tokio[fc2cbc738e400f7a]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[c5ed12ab89cc536a]::pin::Pin<&mut core[c5ed12ab89cc536a]::pin::Pin<&mut dyn core[c5ed12ab89cc536a]::future::future::Future<Output = ()>>>>::{closure#0}, core[c5ed12ab89cc536a]::option::Option<()>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.49.0/src/runtime/scheduler/current_thread/mod.rs:840:27
[INFO] [stdout]   38:     0x5d38f11bd2e6 - <tokio[fc2cbc738e400f7a]::runtime::scheduler::current_thread::CoreGuard>::block_on::<core[c5ed12ab89cc536a]::pin::Pin<&mut core[c5ed12ab89cc536a]::pin::Pin<&mut dyn core[c5ed12ab89cc536a]::future::future::Future<Output = ()>>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.49.0/src/runtime/scheduler/current_thread/mod.rs:740:24
[INFO] [stdout]   39:     0x5d38f11be060 - <tokio[fc2cbc738e400f7a]::runtime::scheduler::current_thread::CurrentThread>::block_on::<core[c5ed12ab89cc536a]::pin::Pin<&mut dyn core[c5ed12ab89cc536a]::future::future::Future<Output = ()>>>::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.49.0/src/runtime/scheduler/current_thread/mod.rs:200:33
[INFO] [stdout]   40:     0x5d38f11ae813 - tokio[fc2cbc738e400f7a]::runtime::context::runtime::enter_runtime::<<tokio[fc2cbc738e400f7a]::runtime::scheduler::current_thread::CurrentThread>::block_on<core[c5ed12ab89cc536a]::pin::Pin<&mut dyn core[c5ed12ab89cc536a]::future::future::Future<Output = ()>>>::{closure#0}, ()>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.49.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   41:     0x5d38f11bb061 - <tokio[fc2cbc738e400f7a]::runtime::scheduler::current_thread::CurrentThread>::block_on::<core[c5ed12ab89cc536a]::pin::Pin<&mut dyn core[c5ed12ab89cc536a]::future::future::Future<Output = ()>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.49.0/src/runtime/scheduler/current_thread/mod.rs:188:9
[INFO] [stdout]   42:     0x5d38f11ac864 - <tokio[fc2cbc738e400f7a]::runtime::runtime::Runtime>::block_on_inner::<core[c5ed12ab89cc536a]::pin::Pin<&mut dyn core[c5ed12ab89cc536a]::future::future::Future<Output = ()>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.49.0/src/runtime/runtime.rs:368:52
[INFO] [stdout]   43:     0x5d38f11aca2c - <tokio[fc2cbc738e400f7a]::runtime::runtime::Runtime>::block_on::<core[c5ed12ab89cc536a]::pin::Pin<&mut dyn core[c5ed12ab89cc536a]::future::future::Future<Output = ()>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.49.0/src/runtime/runtime.rs:342:18
[INFO] [stdout]   44:     0x5d38f11ca403 - load_balancer[8d1dc0fe78d475f5]::infrastructure::smart_tcp_pool::tests::get_connection_test
[INFO] [stdout]                                at /opt/rustwide/workdir/src/infrastructure/smart_tcp_pool.rs:97:65
[INFO] [stdout]   45:     0x5d38f11c7c27 - load_balancer[8d1dc0fe78d475f5]::infrastructure::smart_tcp_pool::tests::get_connection_test::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/infrastructure/smart_tcp_pool.rs:89:35
[INFO] [stdout]   46:     0x5d38f119fa16 - <load_balancer[8d1dc0fe78d475f5]::infrastructure::smart_tcp_pool::tests::get_connection_test::{closure#0} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   47:     0x5d38f11e0cbb - <fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   48:     0x5d38f11e0cbb - test[64760d2bdea328cc]::__rust_begin_short_backtrace::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:663:18
[INFO] [stdout]   49:     0x5d38f11ed51a - test[64760d2bdea328cc]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:74
[INFO] [stdout]   50:     0x5d38f11ed51a - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   51:     0x5d38f11ed51a - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   52:     0x5d38f11ed51a - std[716c9a7a72e5c14e]::panicking::catch_unwind::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   53:     0x5d38f11ed51a - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   54:     0x5d38f11ed51a - test[64760d2bdea328cc]::run_test_in_process
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:27
[INFO] [stdout]   55:     0x5d38f11ed51a - test[64760d2bdea328cc]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:607:43
[INFO] [stdout]   56:     0x5d38f11e79e4 - test[64760d2bdea328cc]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:637:41
[INFO] [stdout]   57:     0x5d38f11e79e4 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_begin_short_backtrace::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   58:     0x5d38f11f0012 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   59:     0x5d38f11f0012 - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   60:     0x5d38f11f0012 - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   61:     0x5d38f11f0012 - std[716c9a7a72e5c14e]::panicking::catch_unwind::<(), core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   62:     0x5d38f11f0012 - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   63:     0x5d38f11f0012 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   64:     0x5d38f11f0012 - <std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   65:     0x5d38f12fd59f - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn core[c5ed12ab89cc536a]::ops::function::FnOnce<(), Output = ()> + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   66:     0x5d38f12fd59f - <std[716c9a7a72e5c14e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   67:     0x730608768aa4 - <unknown>
[INFO] [stdout]   68:     0x7306087f5a64 - clone
[INFO] [stdout]   69:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     infrastructure::smart_tcp_pool::tests::get_connection_test
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 23 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin load-balancer`
[INFO] running `Command { std: "docker" "inspect" "d9600a3e28dd944596b27224b16e9067005f3924ceae743e5057fd4fb634bcaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9600a3e28dd944596b27224b16e9067005f3924ceae743e5057fd4fb634bcaa", kill_on_drop: false }`
[INFO] [stdout] d9600a3e28dd944596b27224b16e9067005f3924ceae743e5057fd4fb634bcaa
