[INFO] cloning repository https://github.com/Logsig/kusa-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Logsig/kusa-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLogsig%2Fkusa-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLogsig%2Fkusa-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 27257b39e9a5bf552ac4e0386ffafae283373cdf
[INFO] testing Logsig/kusa-rs against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLogsig%2Fkusa-rs" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Logsig/kusa-rs on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Logsig/kusa-rs
[INFO] finished tweaking git repo https://github.com/Logsig/kusa-rs
[INFO] tweaked toml for git repo https://github.com/Logsig/kusa-rs written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/Logsig/kusa-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (tokio-util) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: unused manifest key: dependencies.tokio-util.verssion
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa2473909ddad79a561d7b036ea351177e50443c95850a7f47a8d2b500adc827
[INFO] running `Command { std: "docker" "start" "-a" "aa2473909ddad79a561d7b036ea351177e50443c95850a7f47a8d2b500adc827", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa2473909ddad79a561d7b036ea351177e50443c95850a7f47a8d2b500adc827", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa2473909ddad79a561d7b036ea351177e50443c95850a7f47a8d2b500adc827", kill_on_drop: false }`
[INFO] [stdout] aa2473909ddad79a561d7b036ea351177e50443c95850a7f47a8d2b500adc827
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be7b1355d03409062e347dc7538c247150f638ed36f80261d91f151e8c3141b2
[INFO] running `Command { std: "docker" "start" "-a" "be7b1355d03409062e347dc7538c247150f638ed36f80261d91f151e8c3141b2", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (tokio-util) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: unused manifest key: dependencies.tokio-util.verssion
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling arc-swap v0.4.4
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling lock_api v0.4.3
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling tokio-util v0.6.6
[INFO] [stderr]    Compiling tokio-stream v0.1.5
[INFO] [stderr]    Compiling kusa-rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Stream`, `self as stream`
[INFO] [stdout]  --> src/server.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio_stream::{self as stream, StreamExt, Stream};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `packet`
[INFO] [stdout]   --> src/server.rs:74:18
[INFO] [stdout]    |
[INFO] [stdout] 74 |   while let Some(packet) = framed.next().await {
[INFO] [stdout]    |                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `packet`
[INFO] [stdout]   --> src/server.rs:41:24
[INFO] [stdout]    |
[INFO] [stdout] 41 |   fn encode(&mut self, packet: Packet, mut buf: &mut BytesMut) -> Result<(), Self::Error> {
[INFO] [stdout]    |                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> src/server.rs:41:44
[INFO] [stdout]    |
[INFO] [stdout] 41 |   fn encode(&mut self, packet: Packet, mut buf: &mut BytesMut) -> Result<(), Self::Error> {
[INFO] [stdout]    |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `src`
[INFO] [stdout]   --> src/server.rs:49:24
[INFO] [stdout]    |
[INFO] [stdout] 49 |   fn decode(&mut self, src: &mut BytesMut) -> Result<Option<Self::Item>, Self::Error> {
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/server.rs:41:40
[INFO] [stdout]    |
[INFO] [stdout] 41 |   fn encode(&mut self, packet: Packet, mut buf: &mut BytesMut) -> Result<(), Self::Error> {
[INFO] [stdout]    |                                        ----^^^
[INFO] [stdout]    |                                        |
[INFO] [stdout]    |                                        help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.85s
[INFO] running `Command { std: "docker" "inspect" "be7b1355d03409062e347dc7538c247150f638ed36f80261d91f151e8c3141b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be7b1355d03409062e347dc7538c247150f638ed36f80261d91f151e8c3141b2", kill_on_drop: false }`
[INFO] [stdout] be7b1355d03409062e347dc7538c247150f638ed36f80261d91f151e8c3141b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2a2eb95fa05a3ead6faea9d7d5796e06bb682d508457c72fa68ee84604a288f
[INFO] running `Command { std: "docker" "start" "-a" "c2a2eb95fa05a3ead6faea9d7d5796e06bb682d508457c72fa68ee84604a288f", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (tokio-util) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: unused manifest key: dependencies.tokio-util.verssion
[INFO] [stderr]    Compiling kusa-rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Stream`, `self as stream`
[INFO] [stdout]  --> src/server.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio_stream::{self as stream, StreamExt, Stream};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `packet`
[INFO] [stdout]   --> src/server.rs:74:18
[INFO] [stdout]    |
[INFO] [stdout] 74 |   while let Some(packet) = framed.next().await {
[INFO] [stdout]    |                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `packet`
[INFO] [stdout]   --> src/server.rs:41:24
[INFO] [stdout]    |
[INFO] [stdout] 41 |   fn encode(&mut self, packet: Packet, mut buf: &mut BytesMut) -> Result<(), Self::Error> {
[INFO] [stdout]    |                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> src/server.rs:41:44
[INFO] [stdout]    |
[INFO] [stdout] 41 |   fn encode(&mut self, packet: Packet, mut buf: &mut BytesMut) -> Result<(), Self::Error> {
[INFO] [stdout]    |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `src`
[INFO] [stdout]   --> src/server.rs:49:24
[INFO] [stdout]    |
[INFO] [stdout] 49 |   fn decode(&mut self, src: &mut BytesMut) -> Result<Option<Self::Item>, Self::Error> {
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/server.rs:41:40
[INFO] [stdout]    |
[INFO] [stdout] 41 |   fn encode(&mut self, packet: Packet, mut buf: &mut BytesMut) -> Result<(), Self::Error> {
[INFO] [stdout]    |                                        ----^^^
[INFO] [stdout]    |                                        |
[INFO] [stdout]    |                                        help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Stream`, `self as stream`
[INFO] [stdout]  --> src/server.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio_stream::{self as stream, StreamExt, Stream};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `main`
[INFO] [stdout]  --> tests/integration_test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use main;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::Shutdown`
[INFO] [stdout]  --> tests/integration_test.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::net::Shutdown;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `packet`
[INFO] [stdout]   --> src/server.rs:74:18
[INFO] [stdout]    |
[INFO] [stdout] 74 |   while let Some(packet) = framed.next().await {
[INFO] [stdout]    |                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `packet`
[INFO] [stdout]   --> src/server.rs:41:24
[INFO] [stdout]    |
[INFO] [stdout] 41 |   fn encode(&mut self, packet: Packet, mut buf: &mut BytesMut) -> Result<(), Self::Error> {
[INFO] [stdout]    |                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> src/server.rs:41:44
[INFO] [stdout]    |
[INFO] [stdout] 41 |   fn encode(&mut self, packet: Packet, mut buf: &mut BytesMut) -> Result<(), Self::Error> {
[INFO] [stdout]    |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `src`
[INFO] [stdout]   --> src/server.rs:49:24
[INFO] [stdout]    |
[INFO] [stdout] 49 |   fn decode(&mut self, src: &mut BytesMut) -> Result<Option<Self::Item>, Self::Error> {
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/server.rs:41:40
[INFO] [stdout]    |
[INFO] [stdout] 41 |   fn encode(&mut self, packet: Packet, mut buf: &mut BytesMut) -> Result<(), Self::Error> {
[INFO] [stdout]    |                                        ----^^^
[INFO] [stdout]    |                                        |
[INFO] [stdout]    |                                        help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "c2a2eb95fa05a3ead6faea9d7d5796e06bb682d508457c72fa68ee84604a288f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2a2eb95fa05a3ead6faea9d7d5796e06bb682d508457c72fa68ee84604a288f", kill_on_drop: false }`
[INFO] [stdout] c2a2eb95fa05a3ead6faea9d7d5796e06bb682d508457c72fa68ee84604a288f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a8de3ccec1a5a9682b603fa7fb2c771ca33a9084546e822ad2a5b33e063f60f4
[INFO] running `Command { std: "docker" "start" "-a" "a8de3ccec1a5a9682b603fa7fb2c771ca33a9084546e822ad2a5b33e063f60f4", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (tokio-util) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: unused manifest key: dependencies.tokio-util.verssion
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Stream`, `self as stream`
[INFO] [stderr]  --> src/server.rs:5:20
[INFO] [stderr]   |
[INFO] [stderr] 5 | use tokio_stream::{self as stream, StreamExt, Stream};
[INFO] [stderr]   |                    ^^^^^^^^^^^^^^             ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `packet`
[INFO] [stderr]   --> src/server.rs:74:18
[INFO] [stderr]    |
[INFO] [stderr] 74 |   while let Some(packet) = framed.next().await {
[INFO] [stderr]    |                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `packet`
[INFO] [stderr]   --> src/server.rs:41:24
[INFO] [stderr]    |
[INFO] [stderr] 41 |   fn encode(&mut self, packet: Packet, mut buf: &mut BytesMut) -> Result<(), Self::Error> {
[INFO] [stderr]    |                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]   --> src/server.rs:41:44
[INFO] [stderr]    |
[INFO] [stderr] 41 |   fn encode(&mut self, packet: Packet, mut buf: &mut BytesMut) -> Result<(), Self::Error> {
[INFO] [stderr]    |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `src`
[INFO] [stderr]   --> src/server.rs:49:24
[INFO] [stderr]    |
[INFO] [stderr] 49 |   fn decode(&mut self, src: &mut BytesMut) -> Result<Option<Self::Item>, Self::Error> {
[INFO] [stderr]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/server.rs:41:40
[INFO] [stderr]    |
[INFO] [stderr] 41 |   fn encode(&mut self, packet: Packet, mut buf: &mut BytesMut) -> Result<(), Self::Error> {
[INFO] [stderr]    |                                        ----^^^
[INFO] [stderr]    |                                        |
[INFO] [stderr]    |                                        help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `main`
[INFO] [stderr]  --> tests/integration_test.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use main;
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::net::Shutdown`
[INFO] [stderr]  --> tests/integration_test.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::net::Shutdown;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Stream`, `self as stream`
[INFO] [stderr]  --> src/server.rs:5:20
[INFO] [stderr]   |
[INFO] [stderr] 5 | use tokio_stream::{self as stream, StreamExt, Stream};
[INFO] [stderr]   |                    ^^^^^^^^^^^^^^             ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `packet`
[INFO] [stderr]   --> src/server.rs:74:18
[INFO] [stderr]    |
[INFO] [stderr] 74 |   while let Some(packet) = framed.next().await {
[INFO] [stderr]    |                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `packet`
[INFO] [stderr]   --> src/server.rs:41:24
[INFO] [stderr]    |
[INFO] [stderr] 41 |   fn encode(&mut self, packet: Packet, mut buf: &mut BytesMut) -> Result<(), Self::Error> {
[INFO] [stderr]    |                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]   --> src/server.rs:41:44
[INFO] [stderr]    |
[INFO] [stderr] 41 |   fn encode(&mut self, packet: Packet, mut buf: &mut BytesMut) -> Result<(), Self::Error> {
[INFO] [stderr]    |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `src`
[INFO] [stderr]   --> src/server.rs:49:24
[INFO] [stderr]    |
[INFO] [stderr] 49 |   fn decode(&mut self, src: &mut BytesMut) -> Result<Option<Self::Item>, Self::Error> {
[INFO] [stderr]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/server.rs:41:40
[INFO] [stderr]    |
[INFO] [stderr] 41 |   fn encode(&mut self, packet: Packet, mut buf: &mut BytesMut) -> Result<(), Self::Error> {
[INFO] [stderr]    |                                        ----^^^
[INFO] [stderr]    |                                        |
[INFO] [stderr]    |                                        help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/kusa_rs-5d2e0cac95ba7291)
[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] [stderr]      Running tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-8c84212948be081c)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test it_answer_ping_with_pong ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a8de3ccec1a5a9682b603fa7fb2c771ca33a9084546e822ad2a5b33e063f60f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8de3ccec1a5a9682b603fa7fb2c771ca33a9084546e822ad2a5b33e063f60f4", kill_on_drop: false }`
[INFO] [stdout] a8de3ccec1a5a9682b603fa7fb2c771ca33a9084546e822ad2a5b33e063f60f4
