[INFO] cloning repository https://github.com/sadhaoid/Rust-MyQQ
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sadhaoid/Rust-MyQQ" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsadhaoid%2FRust-MyQQ", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsadhaoid%2FRust-MyQQ'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 30ef172323ba03cce0da507eb3f6826754869fcc
[INFO] checking sadhaoid/Rust-MyQQ against try#6713fa75964eb229409a9c6f6f5c418423e313ff for pr-133502-22
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsadhaoid%2FRust-MyQQ" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sadhaoid/Rust-MyQQ
[INFO] finished tweaking git repo https://github.com/sadhaoid/Rust-MyQQ
[INFO] tweaked toml for git repo https://github.com/sadhaoid/Rust-MyQQ written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sadhaoid/Rust-MyQQ on toolchain 6713fa75964eb229409a9c6f6f5c418423e313ff
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6713fa75964eb229409a9c6f6f5c418423e313ff" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sadhaoid/Rust-MyQQ 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" "+6713fa75964eb229409a9c6f6f5c418423e313ff" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+6713fa75964eb229409a9c6f6f5c418423e313ff" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1aafea53686970952c74e1c2d6b2238a001878f06ad50593ed264b2eefc1603
[INFO] running `Command { std: "docker" "start" "-a" "a1aafea53686970952c74e1c2d6b2238a001878f06ad50593ed264b2eefc1603", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1aafea53686970952c74e1c2d6b2238a001878f06ad50593ed264b2eefc1603", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1aafea53686970952c74e1c2d6b2238a001878f06ad50593ed264b2eefc1603", kill_on_drop: false }`
[INFO] [stdout] a1aafea53686970952c74e1c2d6b2238a001878f06ad50593ed264b2eefc1603
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+6713fa75964eb229409a9c6f6f5c418423e313ff" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ca81f124a441c8dfaafa878fbedbb789c8ab55d72c6a65fce163ccd1fe9ff3e
[INFO] running `Command { std: "docker" "start" "-a" "5ca81f124a441c8dfaafa878fbedbb789c8ab55d72c6a65fce163ccd1fe9ff3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking socket2 v0.6.0
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking matchit v0.8.4
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking axum-core v0.5.5
[INFO] [stderr]     Checking tokio v1.47.1
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking serde_path_to_error v0.1.20
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking hyper v1.7.0
[INFO] [stderr]     Checking tower v0.5.2
[INFO] [stderr]     Checking hyper-util v0.1.17
[INFO] [stderr]     Checking axum v0.8.6
[INFO] [stderr]     Checking myQQ2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/client.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io;
[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: `AsyncReadExt`
[INFO] [stdout]  --> src/client.rs:3:34
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tokio::io::{AsyncBufReadExt, AsyncReadExt, AsyncWriteExt, BufReader, stdin};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Duration` and `sleep`
[INFO] [stdout]  --> src/client.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio::time::{Duration, sleep};
[INFO] [stdout]   |                   ^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stream`
[INFO] [stdout]  --> src/client.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tokio::{self, stream};
[INFO] [stdout]   |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `change_function`, `login_function`, and `send_function`
[INFO] [stdout]  --> src/client.rs:8:28
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::handle_client::{change_function, login_function, send_function};
[INFO] [stdout]   |                            ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::WriterPanicked`
[INFO] [stdout]  --> src/handle_client.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::WriterPanicked;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::LazyLock`
[INFO] [stdout]  --> src/handle_client.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::LazyLock;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AsyncBufReadExt`, `AsyncReadExt`, and `BufReader`
[INFO] [stdout]  --> src/handle_client.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tokio::io::{AsyncBufReadExt, AsyncReadExt, AsyncWriteExt, BufReader};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^                 ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::net::tcp::OwnedWriteHalf`
[INFO] [stdout]  --> src/handle_client.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio::net::tcp::OwnedWriteHalf;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::Mutex`
[INFO] [stdout]  --> src/handle_client.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio::sync::Mutex;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/client.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io;
[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: `AsyncReadExt`
[INFO] [stdout]  --> src/client.rs:3:34
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tokio::io::{AsyncBufReadExt, AsyncReadExt, AsyncWriteExt, BufReader, stdin};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Duration` and `sleep`
[INFO] [stdout]  --> src/client.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio::time::{Duration, sleep};
[INFO] [stdout]   |                   ^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stream`
[INFO] [stdout]  --> src/client.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tokio::{self, stream};
[INFO] [stdout]   |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `change_function`, `login_function`, and `send_function`
[INFO] [stdout]  --> src/client.rs:8:28
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::handle_client::{change_function, login_function, send_function};
[INFO] [stdout]   |                            ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::WriterPanicked`
[INFO] [stdout]  --> src/handle_client.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::WriterPanicked;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::LazyLock`
[INFO] [stdout]  --> src/handle_client.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::LazyLock;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AsyncBufReadExt`, `AsyncReadExt`, and `BufReader`
[INFO] [stdout]  --> src/handle_client.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tokio::io::{AsyncBufReadExt, AsyncReadExt, AsyncWriteExt, BufReader};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^                 ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::net::tcp::OwnedWriteHalf`
[INFO] [stdout]  --> src/handle_client.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio::net::tcp::OwnedWriteHalf;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::Mutex`
[INFO] [stdout]  --> src/handle_client.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio::sync::Mutex;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/client.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut stream: TcpStream = TcpStream::connect("127.0.0.1:8080").await?;
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/client.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let (mut reader, mut writer) = stream.into_split();
[INFO] [stdout]    |          ----^^^^^^
[INFO] [stdout]    |          |
[INFO] [stdout]    |          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/client.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut stream: TcpStream = TcpStream::connect("127.0.0.1:8080").await?;
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/client.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let (mut reader, mut writer) = stream.into_split();
[INFO] [stdout]    |          ----^^^^^^
[INFO] [stdout]    |          |
[INFO] [stdout]    |          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/handle_client.rs:88:42
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub async fn send_function(line: String, mut current_friend_id: String, current_id: String) {
[INFO] [stdout]    |                                          ----^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/handle_client.rs:88:42
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub async fn send_function(line: String, mut current_friend_id: String, current_id: String) {
[INFO] [stdout]    |                                          ----^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/server.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | /     loop {
[INFO] [stdout] 21 | |         //初始数据的处理
[INFO] [stdout] 22 | |         let (stream, _addr) = listener.accept().await?;
[INFO] [stdout] 23 | |         let (reader, mut writer) = stream.into_split();
[INFO] [stdout] ...  |
[INFO] [stdout] 40 | |         });
[INFO] [stdout] 41 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 42 |
[INFO] [stdout] 43 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/server.rs:27:17
[INFO] [stdout]    |
[INFO] [stdout] 27 |             let mut buf_reader: BufReader<tokio::net::tcp::OwnedReadHalf> = BufReader::new(reader);
[INFO] [stdout]    |                 ----^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/server.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 |             let mut current_id = String::new();
[INFO] [stdout]    |                 ----^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/server.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |             let mut current_friend_id = String::new();
[INFO] [stdout]    |                 ----^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/server.rs:23:22
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let (reader, mut writer) = stream.into_split();
[INFO] [stdout]    |                      ----^^^^^^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/server.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | /     loop {
[INFO] [stdout] 21 | |         //初始数据的处理
[INFO] [stdout] 22 | |         let (stream, _addr) = listener.accept().await?;
[INFO] [stdout] 23 | |         let (reader, mut writer) = stream.into_split();
[INFO] [stdout] ...  |
[INFO] [stdout] 40 | |         });
[INFO] [stdout] 41 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 42 |
[INFO] [stdout] 43 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/client.rs:47:21
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 Err(e) => {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/server.rs:27:17
[INFO] [stdout]    |
[INFO] [stdout] 27 |             let mut buf_reader: BufReader<tokio::net::tcp::OwnedReadHalf> = BufReader::new(reader);
[INFO] [stdout]    |                 ----^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/server.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 |             let mut current_id = String::new();
[INFO] [stdout]    |                 ----^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/server.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |             let mut current_friend_id = String::new();
[INFO] [stdout]    |                 ----^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/server.rs:23:22
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let (reader, mut writer) = stream.into_split();
[INFO] [stdout]    |                      ----^^^^^^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/client.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             buf_reader.read_line(&mut input).await;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 24 |             let _ = buf_reader.read_line(&mut input).await;
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/client.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |             writer.write_all(input.as_bytes()).await;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 27 |             let _ = writer.write_all(input.as_bytes()).await;
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/client.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |             writer.flush().await;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 28 |             let _ = writer.flush().await;
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/client.rs:47:21
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 Err(e) => {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/client.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             buf_reader.read_line(&mut input).await;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 24 |             let _ = buf_reader.read_line(&mut input).await;
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/client.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |             writer.write_all(input.as_bytes()).await;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 27 |             let _ = writer.write_all(input.as_bytes()).await;
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/client.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |             writer.flush().await;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 28 |             let _ = writer.flush().await;
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.55s
[INFO] running `Command { std: "docker" "inspect" "5ca81f124a441c8dfaafa878fbedbb789c8ab55d72c6a65fce163ccd1fe9ff3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ca81f124a441c8dfaafa878fbedbb789c8ab55d72c6a65fce163ccd1fe9ff3e", kill_on_drop: false }`
[INFO] [stdout] 5ca81f124a441c8dfaafa878fbedbb789c8ab55d72c6a65fce163ccd1fe9ff3e
