[INFO] cloning repository https://github.com/suhanyujie/rs-web-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/suhanyujie/rs-web-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuhanyujie%2Frs-web-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuhanyujie%2Frs-web-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 027f59dbdb2bfca85788eb82247f4cbde8330f58
[INFO] checking suhanyujie/rs-web-server against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuhanyujie%2Frs-web-server" "/workspace/builds/worker-25/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-25/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/suhanyujie/rs-web-server on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/suhanyujie/rs-web-server
[INFO] finished tweaking git repo https://github.com/suhanyujie/rs-web-server
[INFO] tweaked toml for git repo https://github.com/suhanyujie/rs-web-server written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] crate git repo https://github.com/suhanyujie/rs-web-server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f29370b123a0b5739249739a2dfe31b47fff92943f05de4acfaf85fd9298f83
[INFO] running `Command { std: "docker" "start" "-a" "4f29370b123a0b5739249739a2dfe31b47fff92943f05de4acfaf85fd9298f83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f29370b123a0b5739249739a2dfe31b47fff92943f05de4acfaf85fd9298f83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f29370b123a0b5739249739a2dfe31b47fff92943f05de4acfaf85fd9298f83", kill_on_drop: false }`
[INFO] [stdout] 4f29370b123a0b5739249739a2dfe31b47fff92943f05de4acfaf85fd9298f83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e120c7eecb51215ac7482ba2270d6b12cb8c075da22394a4de9ff65ebfdd8d6
[INFO] running `Command { std: "docker" "start" "-a" "7e120c7eecb51215ac7482ba2270d6b12cb8c075da22394a4de9ff65ebfdd8d6", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking chrono v0.4.18
[INFO] [stderr]     Checking ctrlc v3.1.6
[INFO] [stderr]     Checking web-server v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/interface/irequest.rs (2 fixes)
[INFO] [stderr]        Fixed src/znet/request.rs (1 fix)
[INFO] [stderr]        Fixed src/znet/connection.rs (12 fixes)
[INFO] [stderr]        Fixed src/thread_pool/lib.rs (1 fix)
[INFO] [stderr]        Fixed src/znet/server.rs (3 fixes)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/znet/connection.rs:86:17
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 (buff, cnt) => {
[INFO] [stdout]    |                 ----------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 86 |                 _ => {
[INFO] [stdout]    |                 ^ unreachable pattern
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `req_data` is never read
[INFO] [stdout]   --> src/znet/connection.rs:76:17
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let mut req_data: Vec<u8> = vec![];
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `handle_connection`
[INFO] [stdout]   --> src/znet/server.rs:82:4
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn handle_connection(mut stream: TcpStream) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/znet/connection.rs:86:17
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 (buff, cnt) => {
[INFO] [stdout]    |                 ----------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 86 |                 _ => {
[INFO] [stdout]    |                 ^ unreachable pattern
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `req_data` is never read
[INFO] [stdout]   --> src/znet/connection.rs:76:17
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let mut req_data: Vec<u8> = vec![];
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `packed_data` is assigned to, but never used
[INFO] [stdout]   --> src/znet/datapack.rs:84:13
[INFO] [stdout]    |
[INFO] [stdout] 84 |         let packed_data: Vec<u8>;
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_packed_data` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `packed_data` is never read
[INFO] [stdout]   --> src/znet/datapack.rs:87:17
[INFO] [stdout]    |
[INFO] [stdout] 87 |                 packed_data = bytes1.clone();
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating src/bin/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/client.rs from 2018 edition to 2021
[INFO] [stdout] warning: function is never used: `handle_connection`
[INFO] [stdout]   --> src/znet/server.rs:82:4
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn handle_connection(mut stream: TcpStream) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]        Fixed src/bin/main.rs (4 fixes)
[INFO] [stdout] warning: function is never used: `server`
[INFO] [stdout]   --> src/bin/main.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn server() {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `handle_connection`
[INFO] [stdout]   --> src/bin/main.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn handle_connection(stream: TcpStream) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]        Fixed src/bin/client.rs (2 fixes)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/bin/client.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | /     loop {
[INFO] [stdout] 14 | |         let content = String::from("hello...he");
[INFO] [stdout] 15 | |         println!("client sending content is: {}", &content);
[INFO] [stdout] 16 | |         stream.write(content.as_bytes())?;
[INFO] [stdout] ...  |
[INFO] [stdout] 27 | |         std::thread::sleep(std::time::Duration::from_secs(3))
[INFO] [stdout] 28 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 29 |       
[INFO] [stdout] 30 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> src/bin/client.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     client();
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `server`
[INFO] [stdout]   --> src/bin/main.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn server() {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `handle_connection`
[INFO] [stdout]   --> src/bin/main.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn handle_connection(stream: TcpStream) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/bin/client.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | /     loop {
[INFO] [stdout] 14 | |         let content = String::from("hello...he");
[INFO] [stdout] 15 | |         println!("client sending content is: {}", &content);
[INFO] [stdout] 16 | |         stream.write(content.as_bytes())?;
[INFO] [stdout] ...  |
[INFO] [stdout] 27 | |         std::thread::sleep(std::time::Duration::from_secs(3))
[INFO] [stdout] 28 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 29 |       
[INFO] [stdout] 30 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> src/bin/client.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     client();
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.60s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking web-server v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/znet/connection.rs:86:17
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 (buff, cnt) => {
[INFO] [stdout]    |                 ----------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 86 |                 _ => {
[INFO] [stdout]    |                 ^ unreachable pattern
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `req_data` is never read
[INFO] [stdout]   --> src/znet/connection.rs:76:17
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let mut req_data: Vec<u8> = vec![];
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `packed_data` is assigned to, but never used
[INFO] [stdout]   --> src/znet/datapack.rs:84:13
[INFO] [stdout]    |
[INFO] [stdout] 84 |         let packed_data: Vec<u8>;
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_packed_data` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `packed_data` is never read
[INFO] [stdout]   --> src/znet/datapack.rs:87:17
[INFO] [stdout]    |
[INFO] [stdout] 87 |                 packed_data = bytes1.clone();
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/znet/connection.rs:86:17
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 (buff, cnt) => {
[INFO] [stdout]    |                 ----------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 86 |                 _ => {
[INFO] [stdout]    |                 ^ unreachable pattern
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `req_data` is never read
[INFO] [stdout]   --> src/znet/connection.rs:76:17
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let mut req_data: Vec<u8> = vec![];
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `handle_connection`
[INFO] [stdout]   --> src/znet/server.rs:82:4
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn handle_connection(mut stream: TcpStream) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `handle_connection`
[INFO] [stdout]   --> src/znet/server.rs:82:4
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn handle_connection(mut stream: TcpStream) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/bin/client.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | /     loop {
[INFO] [stdout] 14 | |         let content = String::from("hello...he");
[INFO] [stdout] 15 | |         println!("client sending content is: {}", &content);
[INFO] [stdout] 16 | |         stream.write(content.as_bytes())?;
[INFO] [stdout] ...  |
[INFO] [stdout] 27 | |         std::thread::sleep(std::time::Duration::from_secs(3))
[INFO] [stdout] 28 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 29 |       
[INFO] [stdout] 30 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> src/bin/client.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     client();
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `server`
[INFO] [stdout]   --> src/bin/main.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn server() {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `handle_connection`
[INFO] [stdout]   --> src/bin/main.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn handle_connection(stream: TcpStream) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `server`
[INFO] [stdout]   --> src/bin/main.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn server() {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `handle_connection`
[INFO] [stdout]   --> src/bin/main.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn handle_connection(stream: TcpStream) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/bin/client.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | /     loop {
[INFO] [stdout] 14 | |         let content = String::from("hello...he");
[INFO] [stdout] 15 | |         println!("client sending content is: {}", &content);
[INFO] [stdout] 16 | |         stream.write(content.as_bytes())?;
[INFO] [stdout] ...  |
[INFO] [stdout] 27 | |         std::thread::sleep(std::time::Duration::from_secs(3))
[INFO] [stdout] 28 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 29 |       
[INFO] [stdout] 30 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> src/bin/client.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     client();
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "7e120c7eecb51215ac7482ba2270d6b12cb8c075da22394a4de9ff65ebfdd8d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e120c7eecb51215ac7482ba2270d6b12cb8c075da22394a4de9ff65ebfdd8d6", kill_on_drop: false }`
[INFO] [stdout] 7e120c7eecb51215ac7482ba2270d6b12cb8c075da22394a4de9ff65ebfdd8d6