[INFO] cloning repository https://github.com/rickard1117/yimu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rickard1117/yimu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frickard1117%2Fyimu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frickard1117%2Fyimu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 53951f489da9e1664008e849ab606b7dbe65253e
[INFO] testing rickard1117/yimu against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frickard1117%2Fyimu" "/workspace/builds/worker-90/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-90/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rickard1117/yimu on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rickard1117/yimu
[INFO] finished tweaking git repo https://github.com/rickard1117/yimu
[INFO] tweaked toml for git repo https://github.com/rickard1117/yimu written to /workspace/builds/worker-90/source/Cargo.toml
[INFO] crate git repo https://github.com/rickard1117/yimu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 341fabc73a41235dadd48e582420242cb4e762a636b0f484727a562e486beb38
[INFO] running `Command { std: "docker" "start" "-a" "341fabc73a41235dadd48e582420242cb4e762a636b0f484727a562e486beb38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "341fabc73a41235dadd48e582420242cb4e762a636b0f484727a562e486beb38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "341fabc73a41235dadd48e582420242cb4e762a636b0f484727a562e486beb38", kill_on_drop: false }`
[INFO] [stdout] 341fabc73a41235dadd48e582420242cb4e762a636b0f484727a562e486beb38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f55001d72cae7a07a474970cd39ccd63e7876b9cdd9a290853d2ff3c474b6221
[INFO] running `Command { std: "docker" "start" "-a" "f55001d72cae7a07a474970cd39ccd63e7876b9cdd9a290853d2ff3c474b6221", kill_on_drop: false }`
[INFO] [stderr]    Compiling tcp-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `data`
[INFO] [stdout]  --> src/buffer.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     data: [u8; BUFFER_SIZE],
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cap`
[INFO] [stdout]  --> src/buffer.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     cap: usize,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/buffer.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new() -> Buffer {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> src/buffer.rs:17:18
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub const fn len(&self) -> usize {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `capacity`
[INFO] [stdout]   --> src/buffer.rs:21:18
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub const fn capacity(&self) -> usize {
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `append`
[INFO] [stdout]   --> src/buffer.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn append(&mut self, slice: &[u8]) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `data`
[INFO] [stdout]   --> src/buffer.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn data(&self) -> &[u8] {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `FileUtil`
[INFO] [stdout]  --> src/file.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct FileUtil {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/file.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new(path: &String) -> FileUtil {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write`
[INFO] [stdout]   --> src/file.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn write(&mut self, data: &[u8]) -> std::io::Result<()> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `setOutput`
[INFO] [stdout]   --> src/logger.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn setOutput(f: fn(&String)) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TRACE`
[INFO] [stdout]   --> src/logger.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     TRACE = 1,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `WARN`
[INFO] [stdout]   --> src/logger.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     WARN,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ERROR`
[INFO] [stdout]   --> src/logger.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     ERROR,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FATAL`
[INFO] [stdout]   --> src/logger.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 |     FATAL,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `DefaultOutput` should have a snake case name
[INFO] [stdout]  --> src/logger.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn DefaultOutput(content: &String) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^ help: convert the identifier to snake case: `default_output`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `g_log_output` should have an upper case name
[INFO] [stdout]  --> src/logger.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | static mut g_log_output: fn(&String) = DefaultOutput;
[INFO] [stdout]   |            ^^^^^^^^^^^^ help: convert the identifier to upper case: `G_LOG_OUTPUT`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `g_log_level` should have an upper case name
[INFO] [stdout]  --> src/logger.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | static mut g_log_level: LogLevel = LogLevel::DEBUG;
[INFO] [stdout]   |            ^^^^^^^^^^^ help: convert the identifier to upper case: `G_LOG_LEVEL`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `setOutput` should have a snake case name
[INFO] [stdout]   --> src/logger.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn setOutput(f: fn(&String)) {
[INFO] [stdout]    |            ^^^^^^^^^ help: convert the identifier to snake case: `set_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `setLevel` should have a snake case name
[INFO] [stdout]   --> src/logger.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn setLevel(level: LogLevel) {
[INFO] [stdout]    |            ^^^^^^^^ help: convert the identifier to snake case: `set_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.50s
[INFO] running `Command { std: "docker" "inspect" "f55001d72cae7a07a474970cd39ccd63e7876b9cdd9a290853d2ff3c474b6221", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f55001d72cae7a07a474970cd39ccd63e7876b9cdd9a290853d2ff3c474b6221", kill_on_drop: false }`
[INFO] [stdout] f55001d72cae7a07a474970cd39ccd63e7876b9cdd9a290853d2ff3c474b6221
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a2b5d3183022a9a0c2938e451e22b730134be2c44881f7ebeeb9868968cfcce
[INFO] running `Command { std: "docker" "start" "-a" "6a2b5d3183022a9a0c2938e451e22b730134be2c44881f7ebeeb9868968cfcce", kill_on_drop: false }`
[INFO] [stderr]    Compiling tcp-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `data`
[INFO] [stdout]  --> src/buffer.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     data: [u8; BUFFER_SIZE],
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cap`
[INFO] [stdout]  --> src/buffer.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     cap: usize,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/buffer.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new() -> Buffer {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> src/buffer.rs:17:18
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub const fn len(&self) -> usize {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `capacity`
[INFO] [stdout]   --> src/buffer.rs:21:18
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub const fn capacity(&self) -> usize {
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `append`
[INFO] [stdout]   --> src/buffer.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn append(&mut self, slice: &[u8]) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `data`
[INFO] [stdout]   --> src/buffer.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn data(&self) -> &[u8] {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `FileUtil`
[INFO] [stdout]  --> src/file.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct FileUtil {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/file.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new(path: &String) -> FileUtil {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write`
[INFO] [stdout]   --> src/file.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn write(&mut self, data: &[u8]) -> std::io::Result<()> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `setOutput`
[INFO] [stdout]   --> src/logger.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn setOutput(f: fn(&String)) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TRACE`
[INFO] [stdout]   --> src/logger.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     TRACE = 1,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `WARN`
[INFO] [stdout]   --> src/logger.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     WARN,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ERROR`
[INFO] [stdout]   --> src/logger.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     ERROR,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FATAL`
[INFO] [stdout]   --> src/logger.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 |     FATAL,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `DefaultOutput` should have a snake case name
[INFO] [stdout]  --> src/logger.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn DefaultOutput(content: &String) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^ help: convert the identifier to snake case: `default_output`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `g_log_output` should have an upper case name
[INFO] [stdout]  --> src/logger.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | static mut g_log_output: fn(&String) = DefaultOutput;
[INFO] [stdout]   |            ^^^^^^^^^^^^ help: convert the identifier to upper case: `G_LOG_OUTPUT`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `g_log_level` should have an upper case name
[INFO] [stdout]  --> src/logger.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | static mut g_log_level: LogLevel = LogLevel::DEBUG;
[INFO] [stdout]   |            ^^^^^^^^^^^ help: convert the identifier to upper case: `G_LOG_LEVEL`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `setOutput` should have a snake case name
[INFO] [stdout]   --> src/logger.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn setOutput(f: fn(&String)) {
[INFO] [stdout]    |            ^^^^^^^^^ help: convert the identifier to snake case: `set_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `setLevel` should have a snake case name
[INFO] [stdout]   --> src/logger.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn setLevel(level: LogLevel) {
[INFO] [stdout]    |            ^^^^^^^^ help: convert the identifier to snake case: `set_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "6a2b5d3183022a9a0c2938e451e22b730134be2c44881f7ebeeb9868968cfcce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a2b5d3183022a9a0c2938e451e22b730134be2c44881f7ebeeb9868968cfcce", kill_on_drop: false }`
[INFO] [stdout] 6a2b5d3183022a9a0c2938e451e22b730134be2c44881f7ebeeb9868968cfcce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5b554077945b6779569fe9a650e50e007e5283af94d151448be72ebd1c35d3af
[INFO] running `Command { std: "docker" "start" "-a" "5b554077945b6779569fe9a650e50e007e5283af94d151448be72ebd1c35d3af", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `data`
[INFO] [stderr]  --> src/buffer.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     data: [u8; BUFFER_SIZE],
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `cap`
[INFO] [stderr]  --> src/buffer.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     cap: usize,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/buffer.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn new() -> Buffer {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `len`
[INFO] [stderr]   --> src/buffer.rs:17:18
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub const fn len(&self) -> usize {
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `capacity`
[INFO] [stderr]   --> src/buffer.rs:21:18
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub const fn capacity(&self) -> usize {
[INFO] [stderr]    |                  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `append`
[INFO] [stderr]   --> src/buffer.rs:25:12
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn append(&mut self, slice: &[u8]) {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `data`
[INFO] [stderr]   --> src/buffer.rs:39:12
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn data(&self) -> &[u8] {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `FileUtil`
[INFO] [stderr]  --> src/file.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct FileUtil {
[INFO] [stderr]   |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]  --> src/file.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn new(path: &String) -> FileUtil {
[INFO] [stderr]   |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write`
[INFO] [stderr]   --> src/file.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn write(&mut self, data: &[u8]) -> std::io::Result<()> {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `setOutput`
[INFO] [stderr]   --> src/logger.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn setOutput(f: fn(&String)) {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TRACE`
[INFO] [stderr]   --> src/logger.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     TRACE = 1,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `WARN`
[INFO] [stderr]   --> src/logger.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     WARN,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ERROR`
[INFO] [stderr]   --> src/logger.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     ERROR,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FATAL`
[INFO] [stderr]   --> src/logger.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 64 |     FATAL,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `DefaultOutput` should have a snake case name
[INFO] [stderr]  --> src/logger.rs:3:4
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn DefaultOutput(content: &String) {
[INFO] [stderr]   |    ^^^^^^^^^^^^^ help: convert the identifier to snake case: `default_output`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `g_log_output` should have an upper case name
[INFO] [stderr]  --> src/logger.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 | static mut g_log_output: fn(&String) = DefaultOutput;
[INFO] [stderr]   |            ^^^^^^^^^^^^ help: convert the identifier to upper case: `G_LOG_OUTPUT`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `g_log_level` should have an upper case name
[INFO] [stderr]  --> src/logger.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 | static mut g_log_level: LogLevel = LogLevel::DEBUG;
[INFO] [stderr]   |            ^^^^^^^^^^^ help: convert the identifier to upper case: `G_LOG_LEVEL`
[INFO] [stderr] 
[INFO] [stderr] warning: method `setOutput` should have a snake case name
[INFO] [stderr]   --> src/logger.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn setOutput(f: fn(&String)) {
[INFO] [stderr]    |            ^^^^^^^^^ help: convert the identifier to snake case: `set_output`
[INFO] [stderr] 
[INFO] [stderr] warning: method `setLevel` should have a snake case name
[INFO] [stderr]   --> src/logger.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn setLevel(level: LogLevel) {
[INFO] [stderr]    |            ^^^^^^^^ help: convert the identifier to snake case: `set_level`
[INFO] [stderr] 
[INFO] [stderr] warning: `tcp-server` (bin "tcp-server" test) generated 20 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tcp_server-f03dafe1a2566f7f)
[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" "5b554077945b6779569fe9a650e50e007e5283af94d151448be72ebd1c35d3af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b554077945b6779569fe9a650e50e007e5283af94d151448be72ebd1c35d3af", kill_on_drop: false }`
[INFO] [stdout] 5b554077945b6779569fe9a650e50e007e5283af94d151448be72ebd1c35d3af