[INFO] cloning repository https://github.com/henda233/tiny-multiplayer-framework
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/henda233/tiny-multiplayer-framework" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhenda233%2Ftiny-multiplayer-framework", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhenda233%2Ftiny-multiplayer-framework'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3399e5f8492f640b83c038c57d1ba16fe76aeec9
[INFO] testing henda233/tiny-multiplayer-framework against 1.97.0-beta.6 for beta-1.98-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhenda233%2Ftiny-multiplayer-framework" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/henda233/tiny-multiplayer-framework
[INFO] finished tweaking git repo https://github.com/henda233/tiny-multiplayer-framework
[INFO] tweaked toml for git repo https://github.com/henda233/tiny-multiplayer-framework written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/henda233/tiny-multiplayer-framework on toolchain 1.97.0-beta.6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/henda233/tiny-multiplayer-framework already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.97.0-beta.6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-macros v2.6.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 04f226ce1c86e81047c71ce4885d9b3067a90301740ce45b926210894d4fd0b4
[INFO] running `Command { std: "docker" "start" "04f226ce1c86e81047c71ce4885d9b3067a90301740ce45b926210894d4fd0b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04f226ce1c86e81047c71ce4885d9b3067a90301740ce45b926210894d4fd0b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "04f226ce1c86e81047c71ce4885d9b3067a90301740ce45b926210894d4fd0b4" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04f226ce1c86e81047c71ce4885d9b3067a90301740ce45b926210894d4fd0b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "04f226ce1c86e81047c71ce4885d9b3067a90301740ce45b926210894d4fd0b4" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling proc-macro2 v1.0.105
[INFO] [stderr]    Compiling quote v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling zmij v1.0.16
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling bytes v1.11.0
[INFO] [stderr]    Compiling itoa v1.0.17
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling socket2 v0.6.1
[INFO] [stderr]    Compiling mio v1.1.1
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tokio v1.49.0
[INFO] [stderr]    Compiling tiny-multiplayer-framework v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.04s
[INFO] running `Command { std: "docker" "inspect" "04f226ce1c86e81047c71ce4885d9b3067a90301740ce45b926210894d4fd0b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "04f226ce1c86e81047c71ce4885d9b3067a90301740ce45b926210894d4fd0b4" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling tiny-multiplayer-framework v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Deserialize` and `Serialize`
[INFO] [stdout]  --> examples/dynamic_args.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde::{Deserialize, Serialize};
[INFO] [stdout]   |             ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize` and `Serialize`
[INFO] [stdout]  --> examples/serialize.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde::{Deserialize, Serialize};
[INFO] [stdout]   |             ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json`
[INFO] [stdout]  --> examples/serialize.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde_json;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RwLock`
[INFO] [stdout]  --> examples/arc_mutex.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::{Arc,Mutex,RwLock};
[INFO] [stdout]   |                           ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `player::Position`
[INFO] [stdout]  --> examples/downcast.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     player::Position,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `total_user_count` is never read
[INFO] [stdout]  --> examples/arc_mutex.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct UserPool{
[INFO] [stdout]   |        -------- field in this struct
[INFO] [stdout] 6 |     users: Arc<Mutex<Vec<(String,String)>>>,
[INFO] [stdout] 7 |     total_user_count: i32,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Mutex`
[INFO] [stdout]  --> examples/arc_rwlock.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::{Arc,Mutex,RwLock};
[INFO] [stdout]   |                     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `is_server` is never read
[INFO] [stdout]  --> examples/mutex_struct.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct UserPool {
[INFO] [stdout]   |        -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 7 |     is_server: Mutex<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: unused import: `SocketAddr`
[INFO] [stdout]  --> examples/udp.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::net::{UdpSocket, SocketAddr};
[INFO] [stdout]   |                           ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `total_user_count` is never read
[INFO] [stdout]  --> examples/arc_rwlock.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct UserPool{
[INFO] [stdout]   |        -------- field in this struct
[INFO] [stdout] 6 |     users: Arc<RwLock<Vec<(String,String)>>>,
[INFO] [stdout] 7 |     total_user_count: i32,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> examples/tokio_async.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 |             for j in 1..=5 {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> examples/tokio_async.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     for i in 1..=3 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cur_users`
[INFO] [stdout]   --> examples/tokio_async.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let cur_users = user_pool.users.clone();
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cur_users`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ids` is never read
[INFO] [stdout]  --> examples/tokio_async.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct UserPool {
[INFO] [stdout]   |        -------- field in this struct
[INFO] [stdout] 4 |     users: Arc<Mutex<Vec<String>>>,
[INFO] [stdout] 5 |     ids: Arc<Mutex<Vec<i32>>>
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `into_any_mut` is never used
[INFO] [stdout]  --> examples/register.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | trait Entity {
[INFO] [stdout]   |       ------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 7 |     fn into_any_mut(&mut self) -> &mut dyn std::any::Any;
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.33s
[INFO] running `Command { std: "docker" "inspect" "04f226ce1c86e81047c71ce4885d9b3067a90301740ce45b926210894d4fd0b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "04f226ce1c86e81047c71ce4885d9b3067a90301740ce45b926210894d4fd0b4" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: field `is_server` is never read
[INFO] [stderr]  --> examples/mutex_struct.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | struct UserPool {
[INFO] [stderr]   |        -------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 7 |     is_server: Mutex<bool>
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Deserialize` and `Serialize`
[INFO] [stderr]  --> examples/serialize.rs:1:13
[INFO] [stderr]   |
[INFO] [stderr] 1 | use serde::{Deserialize, Serialize};
[INFO] [stderr]   |             ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde_json`
[INFO] [stderr]  --> examples/serialize.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use serde_json;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `RwLock`
[INFO] [stderr]  --> examples/arc_mutex.rs:1:27
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::sync::{Arc,Mutex,RwLock};
[INFO] [stderr]   |                           ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `total_user_count` is never read
[INFO] [stderr]  --> examples/arc_mutex.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct UserPool{
[INFO] [stderr]   |        -------- field in this struct
[INFO] [stderr] 6 |     users: Arc<Mutex<Vec<(String,String)>>>,
[INFO] [stderr] 7 |     total_user_count: i32,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]   --> examples/tokio_async.rs:25:17
[INFO] [stderr]    |
[INFO] [stderr] 25 |             for j in 1..=5 {
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> examples/tokio_async.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     for i in 1..=3 {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cur_users`
[INFO] [stderr]   --> examples/tokio_async.rs:23:13
[INFO] [stderr]    |
[INFO] [stderr] 23 |         let cur_users = user_pool.users.clone();
[INFO] [stderr]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cur_users`
[INFO] [stderr] 
[INFO] [stderr] warning: field `ids` is never read
[INFO] [stderr]  --> examples/tokio_async.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct UserPool {
[INFO] [stderr]   |        -------- field in this struct
[INFO] [stderr] 4 |     users: Arc<Mutex<Vec<String>>>,
[INFO] [stderr] 5 |     ids: Arc<Mutex<Vec<i32>>>
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Deserialize` and `Serialize`
[INFO] [stderr]  --> examples/dynamic_args.rs:3:13
[INFO] [stderr]   |
[INFO] [stderr] 3 | use serde::{Deserialize, Serialize};
[INFO] [stderr]   |             ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Mutex`
[INFO] [stderr]  --> examples/arc_rwlock.rs:1:21
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::sync::{Arc,Mutex,RwLock};
[INFO] [stderr]   |                     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `total_user_count` is never read
[INFO] [stderr]  --> examples/arc_rwlock.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct UserPool{
[INFO] [stderr]   |        -------- field in this struct
[INFO] [stderr] 6 |     users: Arc<RwLock<Vec<(String,String)>>>,
[INFO] [stderr] 7 |     total_user_count: i32,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `player::Position`
[INFO] [stderr]  --> examples/downcast.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     player::Position,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `into_any_mut` is never used
[INFO] [stderr]  --> examples/register.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | trait Entity {
[INFO] [stderr]   |       ------ method in this trait
[INFO] [stderr] ...
[INFO] [stderr] 7 |     fn into_any_mut(&mut self) -> &mut dyn std::any::Any;
[INFO] [stderr]   |        ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SocketAddr`
[INFO] [stderr]  --> examples/udp.rs:1:27
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::net::{UdpSocket, SocketAddr};
[INFO] [stderr]   |                           ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tiny-multiplayer-framework` (example "mutex_struct") generated 1 warning
[INFO] [stderr] warning: `tiny-multiplayer-framework` (example "serialize") generated 2 warnings (run `cargo fix --example "serialize" -p tiny-multiplayer-framework` to apply 2 suggestions)
[INFO] [stderr] warning: `tiny-multiplayer-framework` (example "arc_mutex") generated 2 warnings (run `cargo fix --example "arc_mutex" -p tiny-multiplayer-framework` to apply 1 suggestion)
[INFO] [stderr] warning: `tiny-multiplayer-framework` (example "tokio_async") generated 4 warnings (run `cargo fix --example "tokio_async" -p tiny-multiplayer-framework` to apply 3 suggestions)
[INFO] [stderr] warning: `tiny-multiplayer-framework` (example "dynamic_args") generated 1 warning (run `cargo fix --example "dynamic_args" -p tiny-multiplayer-framework` to apply 1 suggestion)
[INFO] [stderr] warning: `tiny-multiplayer-framework` (example "arc_rwlock") generated 2 warnings (run `cargo fix --example "arc_rwlock" -p tiny-multiplayer-framework` to apply 1 suggestion)
[INFO] [stderr] warning: `tiny-multiplayer-framework` (example "downcast") generated 1 warning (run `cargo fix --example "downcast" -p tiny-multiplayer-framework` to apply 1 suggestion)
[INFO] [stderr] warning: `tiny-multiplayer-framework` (example "register") generated 1 warning
[INFO] [stderr] warning: `tiny-multiplayer-framework` (example "udp") generated 1 warning (run `cargo fix --example "udp" -p tiny-multiplayer-framework` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tiny_multiplayer_framework-b0a112a5d5f5f2c0)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tiny_multiplayer_framework-ff101a8bc0525d50)
[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] [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]    Doc-tests tiny_multiplayer_framework
[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" "04f226ce1c86e81047c71ce4885d9b3067a90301740ce45b926210894d4fd0b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04f226ce1c86e81047c71ce4885d9b3067a90301740ce45b926210894d4fd0b4", kill_on_drop: false }`
[INFO] [stdout] 04f226ce1c86e81047c71ce4885d9b3067a90301740ce45b926210894d4fd0b4