[INFO] cloning repository https://github.com/sivese/rs-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sivese/rs-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsivese%2Frs-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsivese%2Frs-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f5908492668dd3ef4da1ee08beb73c612e9e7db2
[INFO] testing sivese/rs-server against master#61223975d46f794466efa832bc7562b9707ecc46+rustflags=-Copt-level=3 for pr-121282
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsivese%2Frs-server" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sivese/rs-server on toolchain 61223975d46f794466efa832bc7562b9707ecc46
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sivese/rs-server
[INFO] finished tweaking git repo https://github.com/sivese/rs-server
[INFO] tweaked toml for git repo https://github.com/sivese/rs-server written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sivese/rs-server 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" "+61223975d46f794466efa832bc7562b9707ecc46" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a728db029e2e72331fc7ccdf930cb5891f2e955da9ddfee2747a04e01f66a9ea
[INFO] running `Command { std: "docker" "start" "-a" "a728db029e2e72331fc7ccdf930cb5891f2e955da9ddfee2747a04e01f66a9ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a728db029e2e72331fc7ccdf930cb5891f2e955da9ddfee2747a04e01f66a9ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a728db029e2e72331fc7ccdf930cb5891f2e955da9ddfee2747a04e01f66a9ea", kill_on_drop: false }`
[INFO] [stdout] a728db029e2e72331fc7ccdf930cb5891f2e955da9ddfee2747a04e01f66a9ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Copt-level=3" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aec41a26f475e5450e8972bde7a560fc32519e449d3d1fdb131d2fbbfc7e161e
[INFO] running `Command { std: "docker" "start" "-a" "aec41a26f475e5450e8972bde7a560fc32519e449d3d1fdb131d2fbbfc7e161e", kill_on_drop: false }`
[INFO] [stderr]    Compiling server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::thread::pool::ThreadPool`
[INFO] [stdout]  --> src/svr/server.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::thread::pool::ThreadPool;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::TcpListener`
[INFO] [stdout]   --> src/svr/server.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::net::TcpListener;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> src/svr/server.rs:23:18
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let (status, file) = if buffer.starts_with(get) {
[INFO] [stdout]    |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Server` is never constructed
[INFO] [stdout]  --> src/svr/server.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Server{
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_connection` is never used
[INFO] [stdout]   --> src/svr/server.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn handle_connection(mut stream : TcpStream) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ThreadPool` is never constructed
[INFO] [stdout]  --> src/thread/pool.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct ThreadPool {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Job` is never used
[INFO] [stdout]   --> src/thread/pool.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 12 | type Job = Box<dyn FnOnce() + Send + 'static>;
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `execute` are never used
[INFO] [stdout]   --> src/thread/pool.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl ThreadPool {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 15 |     pub fn new(size : usize) -> ThreadPool {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn execute<F>(&self, f : F)  where F : FnOnce() + Send + 'static, {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Worker` is never constructed
[INFO] [stdout]   --> src/thread/pool.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | struct Worker {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/thread/pool.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl Worker {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 41 |     fn new(id : usize, receiver : Arc<Mutex<mpsc::Receiver<Job>>>) -> Worker {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: path statement drops value
[INFO] [stdout]   --> src/thread/pool.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 job;
[INFO] [stdout]    |                 ^^^^ help: use `drop` to clarify the intent: `drop(job);`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(path_statements)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused boxed `FnOnce` trait object that must be used
[INFO] [stdout]   --> src/thread/pool.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 job;
[INFO] [stdout]    |                 ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: closures are lazy and do nothing unless called
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "aec41a26f475e5450e8972bde7a560fc32519e449d3d1fdb131d2fbbfc7e161e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aec41a26f475e5450e8972bde7a560fc32519e449d3d1fdb131d2fbbfc7e161e", kill_on_drop: false }`
[INFO] [stdout] aec41a26f475e5450e8972bde7a560fc32519e449d3d1fdb131d2fbbfc7e161e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Copt-level=3" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e47fdeca88a3e945e62dfd1416cf2113c34fd70a6dc221b5993bf14982067e97
[INFO] running `Command { std: "docker" "start" "-a" "e47fdeca88a3e945e62dfd1416cf2113c34fd70a6dc221b5993bf14982067e97", kill_on_drop: false }`
[INFO] [stderr]    Compiling server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> src/svr/server.rs:23:18
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let (status, file) = if buffer.starts_with(get) {
[INFO] [stdout]    |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pool`
[INFO] [stdout]   --> src/svr/server.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let pool = ThreadPool::new(4);
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_pool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Server` is never constructed
[INFO] [stdout]  --> src/svr/server.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Server{
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `threads` and `sender` are never read
[INFO] [stdout]  --> src/thread/pool.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct ThreadPool {
[INFO] [stdout]   |            ---------- fields in this struct
[INFO] [stdout] 8 |     threads : Vec<Worker>,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 9 |     sender : mpsc::Sender<Job>
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `execute` is never used
[INFO] [stdout]   --> src/thread/pool.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl ThreadPool {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn execute<F>(&self, f : F)  where F : FnOnce() + Send + 'static, {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `thread` are never read
[INFO] [stdout]   --> src/thread/pool.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | struct Worker {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 36 |     id : usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 37 |     thread : thread::JoinHandle<()>
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: path statement drops value
[INFO] [stdout]   --> src/thread/pool.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 job;
[INFO] [stdout]    |                 ^^^^ help: use `drop` to clarify the intent: `drop(job);`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(path_statements)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused boxed `FnOnce` trait object that must be used
[INFO] [stdout]   --> src/thread/pool.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 job;
[INFO] [stdout]    |                 ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: closures are lazy and do nothing unless called
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "e47fdeca88a3e945e62dfd1416cf2113c34fd70a6dc221b5993bf14982067e97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e47fdeca88a3e945e62dfd1416cf2113c34fd70a6dc221b5993bf14982067e97", kill_on_drop: false }`
[INFO] [stdout] e47fdeca88a3e945e62dfd1416cf2113c34fd70a6dc221b5993bf14982067e97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Copt-level=3" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a2f3ccb228f1e8347d85a22788de28669eaaff8ec4eb1d7569f406b65f6b147d
[INFO] running `Command { std: "docker" "start" "-a" "a2f3ccb228f1e8347d85a22788de28669eaaff8ec4eb1d7569f406b65f6b147d", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]   --> src/svr/server.rs:23:18
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let (status, file) = if buffer.starts_with(get) {
[INFO] [stderr]    |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pool`
[INFO] [stderr]   --> src/svr/server.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 |     let pool = ThreadPool::new(4);
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_pool`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Server` is never constructed
[INFO] [stderr]  --> src/svr/server.rs:2:8
[INFO] [stderr]   |
[INFO] [stderr] 2 | struct Server{
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `threads` and `sender` are never read
[INFO] [stderr]  --> src/thread/pool.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct ThreadPool {
[INFO] [stderr]   |            ---------- fields in this struct
[INFO] [stderr] 8 |     threads : Vec<Worker>,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 9 |     sender : mpsc::Sender<Job>
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `execute` is never used
[INFO] [stderr]   --> src/thread/pool.rs:29:12
[INFO] [stderr]    |
[INFO] [stderr] 14 | impl ThreadPool {
[INFO] [stderr]    | --------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 29 |     pub fn execute<F>(&self, f : F)  where F : FnOnce() + Send + 'static, {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `id` and `thread` are never read
[INFO] [stderr]   --> src/thread/pool.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 35 | struct Worker {
[INFO] [stderr]    |        ------ fields in this struct
[INFO] [stderr] 36 |     id : usize,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 37 |     thread : thread::JoinHandle<()>
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: path statement drops value
[INFO] [stderr]   --> src/thread/pool.rs:45:17
[INFO] [stderr]    |
[INFO] [stderr] 45 |                 job;
[INFO] [stderr]    |                 ^^^^ help: use `drop` to clarify the intent: `drop(job);`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(path_statements)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused boxed `FnOnce` trait object that must be used
[INFO] [stderr]   --> src/thread/pool.rs:45:17
[INFO] [stderr]    |
[INFO] [stderr] 45 |                 job;
[INFO] [stderr]    |                 ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: closures are lazy and do nothing unless called
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `server` (bin "server" test) generated 8 warnings (run `cargo fix --bin "server" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/server-c0d1a27390271d47)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test svr::server::server_test has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "a2f3ccb228f1e8347d85a22788de28669eaaff8ec4eb1d7569f406b65f6b147d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2f3ccb228f1e8347d85a22788de28669eaaff8ec4eb1d7569f406b65f6b147d", kill_on_drop: false }`
[INFO] [stdout] a2f3ccb228f1e8347d85a22788de28669eaaff8ec4eb1d7569f406b65f6b147d