[INFO] cloning repository https://github.com/gustaleitcor/chat_tcp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gustaleitcor/chat_tcp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgustaleitcor%2Fchat_tcp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgustaleitcor%2Fchat_tcp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a92bfcdf40e684c1aa2c6004477527d059371b8d
[INFO] checking gustaleitcor/chat_tcp against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgustaleitcor%2Fchat_tcp" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/gustaleitcor/chat_tcp
[INFO] finished tweaking git repo https://github.com/gustaleitcor/chat_tcp
[INFO] tweaked toml for git repo https://github.com/gustaleitcor/chat_tcp written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gustaleitcor/chat_tcp on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/gustaleitcor/chat_tcp 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d2097ee3a28f67ca806d8c5bed81eba824288baf38168728470e2fba2ccb497
[INFO] running `Command { std: "docker" "start" "-a" "1d2097ee3a28f67ca806d8c5bed81eba824288baf38168728470e2fba2ccb497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d2097ee3a28f67ca806d8c5bed81eba824288baf38168728470e2fba2ccb497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d2097ee3a28f67ca806d8c5bed81eba824288baf38168728470e2fba2ccb497", kill_on_drop: false }`
[INFO] [stdout] 1d2097ee3a28f67ca806d8c5bed81eba824288baf38168728470e2fba2ccb497
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c46429a051a6cfbcbefa78a7e3e8de5c90cac1dbee401d123fc3f33360544b72
[INFO] running `Command { std: "docker" "start" "-a" "c46429a051a6cfbcbefa78a7e3e8de5c90cac1dbee401d123fc3f33360544b72", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.5.6
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking chat_tcp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Receiver`
[INFO] [stdout]  --> src/client.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 |     sync::mpsc::{Receiver, Sender},
[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: `self` and `self`
[INFO] [stdout]   --> src/server.rs:9:14
[INFO] [stdout]    |
[INFO] [stdout]  9 |     client::{self, ClientWriter},
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] 10 |     message::{self, Message},
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `async_closure` has been stable since 1.85.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(async_closure)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `new_uninit` has been stable since 1.82.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(new_uninit)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/main.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | /     loop {
[INFO] [stdout] 57 | |         let message = server_receiver.recv().await.unwrap();
[INFO] [stdout] 58 | |         server_clone
[INFO] [stdout] 59 | |             .clone()
[INFO] [stdout] ...  |
[INFO] [stdout] 63 | |             .await;
[INFO] [stdout] 64 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 65 |
[INFO] [stdout] 66 |       incoming_thread.await.unwrap();
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `incoming_thread`
[INFO] [stdout]   --> src/main.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let incoming_thread = tokio::spawn(async move {
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_incoming_thread`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Receiver`
[INFO] [stdout]  --> src/client.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 |     sync::mpsc::{Receiver, Sender},
[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 `addr` is never read
[INFO] [stdout]   --> src/client.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct ClientWriter {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 11 |     addr: SocketAddr,
[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 imports: `self` and `self`
[INFO] [stdout]   --> src/server.rs:9:14
[INFO] [stdout]    |
[INFO] [stdout]  9 |     client::{self, ClientWriter},
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] 10 |     message::{self, Message},
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_addr` is never used
[INFO] [stdout]   --> src/client.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl ClientWriter {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn get_addr(&self) -> &SocketAddr {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/client.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct ClientReader<'a> {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 30 |     pub name: Box<MaybeUninit<&'a str>>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `adresser` is never read
[INFO] [stdout]  --> src/message.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Message {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 4 |     pub message: String,
[INFO] [stdout] 5 |     pub adresser: SocketAddr,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_clients` and `remove_client` are never used
[INFO] [stdout]   --> src/server.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl<'a> Server<'a> {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn get_clients(&self) -> &Arc<Mutex<Vec<ClientWriter>>> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn remove_client(&mut self, exit_client: Arc<Mutex<ClientWriter>>) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `async_closure` has been stable since 1.85.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(async_closure)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `new_uninit` has been stable since 1.82.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(new_uninit)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/main.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | /     loop {
[INFO] [stdout] 57 | |         let message = server_receiver.recv().await.unwrap();
[INFO] [stdout] 58 | |         server_clone
[INFO] [stdout] 59 | |             .clone()
[INFO] [stdout] ...  |
[INFO] [stdout] 63 | |             .await;
[INFO] [stdout] 64 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 65 |
[INFO] [stdout] 66 |       incoming_thread.await.unwrap();
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `incoming_thread`
[INFO] [stdout]   --> src/main.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let incoming_thread = tokio::spawn(async move {
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_incoming_thread`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `addr` is never read
[INFO] [stdout]   --> src/client.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct ClientWriter {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 11 |     addr: SocketAddr,
[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 `get_addr` is never used
[INFO] [stdout]   --> src/client.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl ClientWriter {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn get_addr(&self) -> &SocketAddr {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/client.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct ClientReader<'a> {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 30 |     pub name: Box<MaybeUninit<&'a str>>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `adresser` is never read
[INFO] [stdout]  --> src/message.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Message {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 4 |     pub message: String,
[INFO] [stdout] 5 |     pub adresser: SocketAddr,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_clients` and `remove_client` are never used
[INFO] [stdout]   --> src/server.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl<'a> Server<'a> {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn get_clients(&self) -> &Arc<Mutex<Vec<ClientWriter>>> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn remove_client(&mut self, exit_client: Arc<Mutex<ClientWriter>>) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.94s
[INFO] running `Command { std: "docker" "inspect" "c46429a051a6cfbcbefa78a7e3e8de5c90cac1dbee401d123fc3f33360544b72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c46429a051a6cfbcbefa78a7e3e8de5c90cac1dbee401d123fc3f33360544b72", kill_on_drop: false }`
[INFO] [stdout] c46429a051a6cfbcbefa78a7e3e8de5c90cac1dbee401d123fc3f33360544b72
