[INFO] cloning repository https://github.com/leetie/Fe-chat-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/leetie/Fe-chat-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleetie%2FFe-chat-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleetie%2FFe-chat-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c86cdfc6d376ab13fd2b3ffe3413abbe68115f92
[INFO] testing leetie/Fe-chat-server against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleetie%2FFe-chat-server" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/leetie/Fe-chat-server on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/leetie/Fe-chat-server
[INFO] finished tweaking git repo https://github.com/leetie/Fe-chat-server
[INFO] tweaked toml for git repo https://github.com/leetie/Fe-chat-server written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/leetie/Fe-chat-server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49e30ff704cc2c2c8b688c596af5f8faf531e6cb8ebda1bcc3f4f4d58f5d1a9b
[INFO] running `Command { std: "docker" "start" "-a" "49e30ff704cc2c2c8b688c596af5f8faf531e6cb8ebda1bcc3f4f4d58f5d1a9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49e30ff704cc2c2c8b688c596af5f8faf531e6cb8ebda1bcc3f4f4d58f5d1a9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49e30ff704cc2c2c8b688c596af5f8faf531e6cb8ebda1bcc3f4f4d58f5d1a9b", kill_on_drop: false }`
[INFO] [stdout] 49e30ff704cc2c2c8b688c596af5f8faf531e6cb8ebda1bcc3f4f4d58f5d1a9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f051e886535d271c478641b84499030daa39068949f5b2b62574484190980ce
[INFO] running `Command { std: "docker" "start" "-a" "9f051e886535d271c478641b84499030daa39068949f5b2b62574484190980ce", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tcp-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `message`
[INFO] [stdout]  --> src/lib.rs:2:3
[INFO] [stdout]   |
[INFO] [stdout] 2 |   message: String,
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/bin/client.rs:1:35
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{BufRead, BufReader, Read, Write};
[INFO] [stdout]   |                                   ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/bin/main.rs:2:36
[INFO] [stdout]   |
[INFO] [stdout] 2 |     io::{self, BufRead, BufReader, Read, Write},
[INFO] [stdout]   |                                    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stream_tx_thread`
[INFO] [stdout]   --> src/bin/client.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 |   let stream_tx_thread = thread::spawn(move || loop {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream_tx_thread`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/bin/client.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 |   let mut stream = TcpStream::connect("0.0.0.0:2222").unwrap();
[INFO] [stdout]   |       ----^^^^^^
[INFO] [stdout]   |       |
[INFO] [stdout]   |       help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_message`
[INFO] [stdout]   --> src/bin/client.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn get_message() -> Result<String, std::io::Error> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/bin/client.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     msg_tx.send(b"Hello!\n");
[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: struct is never constructed: `Message`
[INFO] [stdout]   --> src/bin/main.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 97 | struct Message<'a> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Client`
[INFO] [stdout]    --> src/bin/main.rs:103:8
[INFO] [stdout]     |
[INFO] [stdout] 103 | struct Client {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `ClientConfig`
[INFO] [stdout]    --> src/bin/main.rs:109:8
[INFO] [stdout]     |
[INFO] [stdout] 109 | struct ClientConfig {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `DisplayColor`
[INFO] [stdout]    --> src/bin/main.rs:114:6
[INFO] [stdout]     |
[INFO] [stdout] 114 | enum DisplayColor {
[INFO] [stdout]     |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "9f051e886535d271c478641b84499030daa39068949f5b2b62574484190980ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f051e886535d271c478641b84499030daa39068949f5b2b62574484190980ce", kill_on_drop: false }`
[INFO] [stdout] 9f051e886535d271c478641b84499030daa39068949f5b2b62574484190980ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbcb293e6069e14175e6a84fa50e2829498ab8a598ef085bbb584d1a5cbb3f19
[INFO] running `Command { std: "docker" "start" "-a" "cbcb293e6069e14175e6a84fa50e2829498ab8a598ef085bbb584d1a5cbb3f19", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tcp-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `message`
[INFO] [stdout]  --> src/lib.rs:2:3
[INFO] [stdout]   |
[INFO] [stdout] 2 |   message: String,
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/bin/main.rs:2:36
[INFO] [stdout]   |
[INFO] [stdout] 2 |     io::{self, BufRead, BufReader, Read, Write},
[INFO] [stdout]   |                                    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/bin/client.rs:1:35
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{BufRead, BufReader, Read, Write};
[INFO] [stdout]   |                                   ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `message`
[INFO] [stdout]  --> src/lib.rs:2:3
[INFO] [stdout]   |
[INFO] [stdout] 2 |   message: String,
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stream_tx_thread`
[INFO] [stdout]   --> src/bin/client.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 |   let stream_tx_thread = thread::spawn(move || loop {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream_tx_thread`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/bin/client.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 |   let mut stream = TcpStream::connect("0.0.0.0:2222").unwrap();
[INFO] [stdout]   |       ----^^^^^^
[INFO] [stdout]   |       |
[INFO] [stdout]   |       help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_message`
[INFO] [stdout]   --> src/bin/client.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn get_message() -> Result<String, std::io::Error> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Message`
[INFO] [stdout]   --> src/bin/main.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 97 | struct Message<'a> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Client`
[INFO] [stdout]    --> src/bin/main.rs:103:8
[INFO] [stdout]     |
[INFO] [stdout] 103 | struct Client {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `ClientConfig`
[INFO] [stdout]    --> src/bin/main.rs:109:8
[INFO] [stdout]     |
[INFO] [stdout] 109 | struct ClientConfig {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `DisplayColor`
[INFO] [stdout]    --> src/bin/main.rs:114:6
[INFO] [stdout]     |
[INFO] [stdout] 114 | enum DisplayColor {
[INFO] [stdout]     |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/bin/client.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     msg_tx.send(b"Hello!\n");
[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: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.89s
[INFO] running `Command { std: "docker" "inspect" "cbcb293e6069e14175e6a84fa50e2829498ab8a598ef085bbb584d1a5cbb3f19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbcb293e6069e14175e6a84fa50e2829498ab8a598ef085bbb584d1a5cbb3f19", kill_on_drop: false }`
[INFO] [stdout] cbcb293e6069e14175e6a84fa50e2829498ab8a598ef085bbb584d1a5cbb3f19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fbe79b75ebcdec4f71e4f3d62197d19078c3ca73941840f9bfeaa2513cd710b2
[INFO] running `Command { std: "docker" "start" "-a" "fbe79b75ebcdec4f71e4f3d62197d19078c3ca73941840f9bfeaa2513cd710b2", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `message`
[INFO] [stderr]  --> src/lib.rs:2:3
[INFO] [stderr]   |
[INFO] [stderr] 2 |   message: String,
[INFO] [stderr]   |   ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tcp-server` (lib) generated 1 warning
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/bin/main.rs:2:36
[INFO] [stderr]   |
[INFO] [stderr] 2 |     io::{self, BufRead, BufReader, Read, Write},
[INFO] [stderr]   |                                    ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Message`
[INFO] [stderr]   --> src/bin/main.rs:97:8
[INFO] [stderr]    |
[INFO] [stderr] 97 | struct Message<'a> {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Client`
[INFO] [stderr]    --> src/bin/main.rs:103:8
[INFO] [stderr]     |
[INFO] [stderr] 103 | struct Client {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ClientConfig`
[INFO] [stderr]    --> src/bin/main.rs:109:8
[INFO] [stderr]     |
[INFO] [stderr] 109 | struct ClientConfig {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `DisplayColor`
[INFO] [stderr]    --> src/bin/main.rs:114:6
[INFO] [stderr]     |
[INFO] [stderr] 114 | enum DisplayColor {
[INFO] [stderr]     |      ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `tcp-server` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: `tcp-server` (bin "main" test) generated 5 warnings
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/bin/client.rs:1:35
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::{BufRead, BufReader, Read, Write};
[INFO] [stderr]   |                                   ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stream_tx_thread`
[INFO] [stderr]   --> src/bin/client.rs:11:7
[INFO] [stderr]    |
[INFO] [stderr] 11 |   let stream_tx_thread = thread::spawn(move || loop {
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream_tx_thread`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/bin/client.rs:7:7
[INFO] [stderr]   |
[INFO] [stderr] 7 |   let mut stream = TcpStream::connect("0.0.0.0:2222").unwrap();
[INFO] [stderr]   |       ----^^^^^^
[INFO] [stderr]   |       |
[INFO] [stderr]   |       help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_message`
[INFO] [stderr]   --> src/bin/client.rs:49:4
[INFO] [stderr]    |
[INFO] [stderr] 49 | fn get_message() -> Result<String, std::io::Error> {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/bin/client.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     msg_tx.send(b"Hello!\n");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `tcp-server` (bin "client" test) generated 5 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tcp_server-ae20969cf8080cdd)
[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]      Running unittests (/opt/rustwide/target/debug/deps/client-817e33fd903dc349)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/main-598434d063ad1184)
[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] [stderr]    Doc-tests tcp-server
[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] running `Command { std: "docker" "inspect" "fbe79b75ebcdec4f71e4f3d62197d19078c3ca73941840f9bfeaa2513cd710b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbe79b75ebcdec4f71e4f3d62197d19078c3ca73941840f9bfeaa2513cd710b2", kill_on_drop: false }`
[INFO] [stdout] fbe79b75ebcdec4f71e4f3d62197d19078c3ca73941840f9bfeaa2513cd710b2