[INFO] cloning repository https://github.com/ymgyt/tokio-mini-redis-handson
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ymgyt/tokio-mini-redis-handson" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fymgyt%2Ftokio-mini-redis-handson", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fymgyt%2Ftokio-mini-redis-handson'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 055e792b048e97c81d21001eabb1c4492a3a8950
[INFO] testing ymgyt/tokio-mini-redis-handson against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fymgyt%2Ftokio-mini-redis-handson" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ymgyt/tokio-mini-redis-handson on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ymgyt/tokio-mini-redis-handson
[INFO] finished tweaking git repo https://github.com/ymgyt/tokio-mini-redis-handson
[INFO] tweaked toml for git repo https://github.com/ymgyt/tokio-mini-redis-handson written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/ymgyt/tokio-mini-redis-handson already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded atoi v0.3.2
[INFO] [stderr]   Downloaded tracing-attributes v0.1.9
[INFO] [stderr]   Downloaded tracing v0.1.18
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.10
[INFO] [stderr]   Downloaded tracing-core v0.1.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d873250ff4d4198823da75a8708897e6d6667f02f6daca9e8c8e047967218246
[INFO] running `Command { std: "docker" "start" "-a" "d873250ff4d4198823da75a8708897e6d6667f02f6daca9e8c8e047967218246", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d873250ff4d4198823da75a8708897e6d6667f02f6daca9e8c8e047967218246", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d873250ff4d4198823da75a8708897e6d6667f02f6daca9e8c8e047967218246", kill_on_drop: false }`
[INFO] [stdout] d873250ff4d4198823da75a8708897e6d6667f02f6daca9e8c8e047967218246
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30ed26d05cb30090826d395cbcbf1ad2d3fb822a91f8ffa6176c39cf186f59c2
[INFO] running `Command { std: "docker" "start" "-a" "30ed26d05cb30090826d395cbcbf1ad2d3fb822a91f8ffa6176c39cf186f59c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling arc-swap v0.4.7
[INFO] [stderr]    Compiling smallvec v1.4.1
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling pin-project-lite v0.1.7
[INFO] [stderr]    Compiling tracing-core v0.1.13
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling sharded-slab v0.0.9
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling tracing-log v0.1.1
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling signal-hook-registry v1.2.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling clap v2.33.2
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling atoi v0.3.2
[INFO] [stderr]    Compiling chrono v0.4.13
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling tracing-serde v0.1.1
[INFO] [stderr]    Compiling tracing-subscriber v0.2.10
[INFO] [stderr]    Compiling tracing-attributes v0.1.9
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling async-stream-impl v0.2.1
[INFO] [stderr]    Compiling structopt-derive v0.4.9
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling async-stream v0.2.1
[INFO] [stderr]    Compiling tracing v0.1.18
[INFO] [stderr]    Compiling structopt v0.3.16
[INFO] [stderr]    Compiling pin-project v0.4.23
[INFO] [stderr]    Compiling tracing-futures v0.2.4
[INFO] [stderr]    Compiling mini_redis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/server.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TcpStream`
[INFO] [stdout]  --> src/server.rs:3:31
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tokio::net::{TcpListener, TcpStream};
[INFO] [stdout]   |                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Semaphore`, `broadcast`, `mpsc`
[INFO] [stdout]  --> src/server.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio::sync::{broadcast, mpsc, Semaphore};
[INFO] [stdout]   |                   ^^^^^^^^^  ^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Duration`, `self`
[INFO] [stdout]  --> src/server.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio::time::{self, Duration};
[INFO] [stdout]   |                   ^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug`, `error`, `info`, `instrument`
[INFO] [stdout]  --> src/server.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tracing::{debug, error, info, instrument};
[INFO] [stdout]   |               ^^^^^  ^^^^^  ^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `listener`
[INFO] [stdout]  --> src/server.rs:8:18
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub async fn run(listener: TcpListener, shutdown: impl Future) -> crate::Result<()> {
[INFO] [stdout]   |                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_listener`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `shutdown`
[INFO] [stdout]  --> src/server.rs:8:41
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub async fn run(listener: TcpListener, shutdown: impl Future) -> crate::Result<()> {
[INFO] [stdout]   |                                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_shutdown`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.50s
[INFO] running `Command { std: "docker" "inspect" "30ed26d05cb30090826d395cbcbf1ad2d3fb822a91f8ffa6176c39cf186f59c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30ed26d05cb30090826d395cbcbf1ad2d3fb822a91f8ffa6176c39cf186f59c2", kill_on_drop: false }`
[INFO] [stdout] 30ed26d05cb30090826d395cbcbf1ad2d3fb822a91f8ffa6176c39cf186f59c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32facd7ce47cc9594513619450623113129d917cd82569ead51fe6c8370b7a31
[INFO] running `Command { std: "docker" "start" "-a" "32facd7ce47cc9594513619450623113129d917cd82569ead51fe6c8370b7a31", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/server.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TcpStream`
[INFO] [stdout]  --> src/server.rs:3:31
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tokio::net::{TcpListener, TcpStream};
[INFO] [stdout]   |                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mini_redis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Semaphore`, `broadcast`, `mpsc`
[INFO] [stdout]  --> src/server.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio::sync::{broadcast, mpsc, Semaphore};
[INFO] [stdout]   |                   ^^^^^^^^^  ^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Duration`, `self`
[INFO] [stdout]  --> src/server.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio::time::{self, Duration};
[INFO] [stdout]   |                   ^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug`, `error`, `info`, `instrument`
[INFO] [stdout]  --> src/server.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tracing::{debug, error, info, instrument};
[INFO] [stdout]   |               ^^^^^  ^^^^^  ^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `listener`
[INFO] [stdout]  --> src/server.rs:8:18
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub async fn run(listener: TcpListener, shutdown: impl Future) -> crate::Result<()> {
[INFO] [stdout]   |                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_listener`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `shutdown`
[INFO] [stdout]  --> src/server.rs:8:41
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub async fn run(listener: TcpListener, shutdown: impl Future) -> crate::Result<()> {
[INFO] [stdout]   |                                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_shutdown`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/server.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TcpStream`
[INFO] [stdout]  --> src/server.rs:3:31
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tokio::net::{TcpListener, TcpStream};
[INFO] [stdout]   |                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Semaphore`, `broadcast`, `mpsc`
[INFO] [stdout]  --> src/server.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio::sync::{broadcast, mpsc, Semaphore};
[INFO] [stdout]   |                   ^^^^^^^^^  ^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Duration`, `self`
[INFO] [stdout]  --> src/server.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio::time::{self, Duration};
[INFO] [stdout]   |                   ^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug`, `error`, `info`, `instrument`
[INFO] [stdout]  --> src/server.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tracing::{debug, error, info, instrument};
[INFO] [stdout]   |               ^^^^^  ^^^^^  ^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `listener`
[INFO] [stdout]  --> src/server.rs:8:18
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub async fn run(listener: TcpListener, shutdown: impl Future) -> crate::Result<()> {
[INFO] [stdout]   |                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_listener`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `shutdown`
[INFO] [stdout]  --> src/server.rs:8:41
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub async fn run(listener: TcpListener, shutdown: impl Future) -> crate::Result<()> {
[INFO] [stdout]   |                                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_shutdown`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "32facd7ce47cc9594513619450623113129d917cd82569ead51fe6c8370b7a31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32facd7ce47cc9594513619450623113129d917cd82569ead51fe6c8370b7a31", kill_on_drop: false }`
[INFO] [stdout] 32facd7ce47cc9594513619450623113129d917cd82569ead51fe6c8370b7a31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8da11affc175ef694c4f876025ba855348085359b093fd87a2484f8243083e44
[INFO] running `Command { std: "docker" "start" "-a" "8da11affc175ef694c4f876025ba855348085359b093fd87a2484f8243083e44", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `std::sync::Arc`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/server.rs:2:5
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 2 | use std::sync::Arc;
[INFO] [stdout] 
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] running 0 tests
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] warning: unused import: `TcpStream`
[INFO] [stdout] 
[INFO] [stderr]  --> src/server.rs:3:31
[INFO] [stderr]   |
[INFO] [stderr] 3 | use tokio::net::{TcpListener, TcpStream};
[INFO] [stderr]   |                               ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Semaphore`, `broadcast`, `mpsc`
[INFO] [stderr]  --> src/server.rs:4:19
[INFO] [stderr]   |
[INFO] [stderr] 4 | use tokio::sync::{broadcast, mpsc, Semaphore};
[INFO] [stderr]   |                   ^^^^^^^^^  ^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Duration`, `self`
[INFO] [stderr]  --> src/server.rs:5:19
[INFO] [stderr]   |
[INFO] [stderr] 5 | use tokio::time::{self, Duration};
[INFO] [stderr]   |                   ^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `debug`, `error`, `info`, `instrument`
[INFO] [stderr]  --> src/server.rs:6:15
[INFO] [stderr]   |
[INFO] [stderr] 6 | use tracing::{debug, error, info, instrument};
[INFO] [stderr]   |               ^^^^^  ^^^^^  ^^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `listener`
[INFO] [stderr]  --> src/server.rs:8:18
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub async fn run(listener: TcpListener, shutdown: impl Future) -> crate::Result<()> {
[INFO] [stderr]   |                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_listener`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `shutdown`
[INFO] [stderr]  --> src/server.rs:8:41
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub async fn run(listener: TcpListener, shutdown: impl Future) -> crate::Result<()> {
[INFO] [stderr]   |                                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_shutdown`
[INFO] [stderr] 
[INFO] [stderr] warning: `mini_redis` (lib) generated 7 warnings
[INFO] [stderr] warning: `mini_redis` (lib test) generated 7 warnings (7 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.25s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mini_redis-0a5aad2d65f95e54)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/server-4a0387a9b514be2c)
[INFO] [stderr]    Doc-tests mini_redis
[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" "8da11affc175ef694c4f876025ba855348085359b093fd87a2484f8243083e44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8da11affc175ef694c4f876025ba855348085359b093fd87a2484f8243083e44", kill_on_drop: false }`
[INFO] [stdout] 8da11affc175ef694c4f876025ba855348085359b093fd87a2484f8243083e44