[INFO] fetching crate flare-core 0.1.1...
[INFO] building flare-core-0.1.1 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate flare-core 0.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate flare-core 0.1.1
[INFO] finished tweaking crates.io crate flare-core 0.1.1
[INFO] tweaked toml for crates.io crate flare-core 0.1.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate flare-core 0.1.1 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate flare-core 0.1.1 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `DateTime`
[INFO] [stdout]  --> src/logs/rotate.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | use chrono::{DateTime, Local};
[INFO] [stdout]   |              ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `LogConfigBuilder`, `LogConfig`, `LoggerBuilder`, and `Logger`
[INFO] [stdout]  --> src/logs/mod.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use rotate::{Logger, LogConfig, LoggerBuilder, LogConfigBuilder};
[INFO] [stdout]   |                  ^^^^^^  ^^^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `INIT_ROTATE_CHECK` is never used
[INFO] [stdout]   --> src/logs/rotate.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | static INIT_ROTATE_CHECK: Once = Once::new();
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LogConfig` is never constructed
[INFO] [stdout]   --> src/logs/rotate.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct LogConfig {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `builder` and `get_level` are never used
[INFO] [stdout]   --> src/logs/rotate.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 54 | impl LogConfig {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 55 |     pub fn builder() -> LogConfigBuilder {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     fn get_level(&self) -> LevelFilter {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Logger` is never constructed
[INFO] [stdout]   --> src/logs/rotate.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub struct Logger;
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `init`, `get_log_file`, `rotate_logs`, `cleanup_old_logs`, `compress_file`, and `check_rotate` are never used
[INFO] [stdout]    --> src/logs/rotate.rs:74:12
[INFO] [stdout]     |
[INFO] [stdout]  73 | impl Logger {
[INFO] [stdout]     | ----------- associated functions in this implementation
[INFO] [stdout]  74 |     pub fn init(config: Option<LogConfig>) -> std::io::Result<()> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 120 |     fn get_log_file(config: &LogConfig) -> std::io::Result<File> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 142 |     fn rotate_logs(config: &LogConfig, current_file: &str) -> std::io::Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 167 |     fn cleanup_old_logs(config: &LogConfig) -> std::io::Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 185 |     fn compress_file(path: &PathBuf) -> std::io::Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 201 |     pub fn check_rotate() {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LoggerBuilder` is never constructed
[INFO] [stdout]    --> src/logs/rotate.rs:227:12
[INFO] [stdout]     |
[INFO] [stdout] 227 | pub struct LoggerBuilder {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `from_config`, and `build` are never used
[INFO] [stdout]    --> src/logs/rotate.rs:232:12
[INFO] [stdout]     |
[INFO] [stdout] 231 | impl LoggerBuilder {
[INFO] [stdout]     | ------------------ associated items in this implementation
[INFO] [stdout] 232 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 238 |     pub fn from_config(config: LogConfig) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 242 |     pub fn build(self) -> std::io::Result<()> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LogConfigBuilder` is never constructed
[INFO] [stdout]    --> src/logs/rotate.rs:247:12
[INFO] [stdout]     |
[INFO] [stdout] 247 | pub struct LogConfigBuilder {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/logs/rotate.rs:252:12
[INFO] [stdout]     |
[INFO] [stdout] 251 | impl LogConfigBuilder {
[INFO] [stdout]     | --------------------- associated items in this implementation
[INFO] [stdout] 252 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 258 |     pub fn output_dir<P: Into<PathBuf>>(mut self, path: P) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 263 |     pub fn file_prefix<S: Into<String>>(mut self, prefix: S) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 268 |     pub fn level(mut self, level: u8) -> Self {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 273 |     pub fn max_size(mut self, size: u64) -> Self {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 278 |     pub fn max_backups(mut self, count: u32) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 283 |     pub fn max_age(mut self, days: u32) -> Self {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 288 |     pub fn compress(mut self, enable: bool) -> Self {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 293 |     pub fn time_format<S: Into<String>>(mut self, format: S) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 298 |     pub fn console_output(mut self, enable: bool) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 303 |     pub fn build(self) -> LogConfig {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 53.55s
[INFO] running `Command { std: "docker" "inspect" "855629b0e231afa71809588d41018ced56acd8b20aef593c82c783a2c6937f4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "855629b0e231afa71809588d41018ced56acd8b20aef593c82c783a2c6937f4e", kill_on_drop: false }`
[INFO] [stdout] 855629b0e231afa71809588d41018ced56acd8b20aef593c82c783a2c6937f4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34fb01024b903bd177b9a90d2068192774a0ad81f8fb4ed3fc3fcde650128a25
[INFO] running `Command { std: "docker" "start" "-a" "34fb01024b903bd177b9a90d2068192774a0ad81f8fb4ed3fc3fcde650128a25", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `DateTime`
[INFO] [stdout]  --> src/logs/rotate.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | use chrono::{DateTime, Local};
[INFO] [stdout]   |              ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `LogConfigBuilder`, `LogConfig`, `LoggerBuilder`, and `Logger`
[INFO] [stdout]  --> src/logs/mod.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use rotate::{Logger, LogConfig, LoggerBuilder, LogConfigBuilder};
[INFO] [stdout]   |                  ^^^^^^  ^^^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling flare-core v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: static `INIT_ROTATE_CHECK` is never used
[INFO] [stdout]   --> src/logs/rotate.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | static INIT_ROTATE_CHECK: Once = Once::new();
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LogConfig` is never constructed
[INFO] [stdout]   --> src/logs/rotate.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct LogConfig {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `builder` and `get_level` are never used
[INFO] [stdout]   --> src/logs/rotate.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 54 | impl LogConfig {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 55 |     pub fn builder() -> LogConfigBuilder {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     fn get_level(&self) -> LevelFilter {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Logger` is never constructed
[INFO] [stdout]   --> src/logs/rotate.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub struct Logger;
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `init`, `get_log_file`, `rotate_logs`, `cleanup_old_logs`, `compress_file`, and `check_rotate` are never used
[INFO] [stdout]    --> src/logs/rotate.rs:74:12
[INFO] [stdout]     |
[INFO] [stdout]  73 | impl Logger {
[INFO] [stdout]     | ----------- associated functions in this implementation
[INFO] [stdout]  74 |     pub fn init(config: Option<LogConfig>) -> std::io::Result<()> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 120 |     fn get_log_file(config: &LogConfig) -> std::io::Result<File> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 142 |     fn rotate_logs(config: &LogConfig, current_file: &str) -> std::io::Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 167 |     fn cleanup_old_logs(config: &LogConfig) -> std::io::Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 185 |     fn compress_file(path: &PathBuf) -> std::io::Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 201 |     pub fn check_rotate() {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LoggerBuilder` is never constructed
[INFO] [stdout]    --> src/logs/rotate.rs:227:12
[INFO] [stdout]     |
[INFO] [stdout] 227 | pub struct LoggerBuilder {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `from_config`, and `build` are never used
[INFO] [stdout]    --> src/logs/rotate.rs:232:12
[INFO] [stdout]     |
[INFO] [stdout] 231 | impl LoggerBuilder {
[INFO] [stdout]     | ------------------ associated items in this implementation
[INFO] [stdout] 232 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 238 |     pub fn from_config(config: LogConfig) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 242 |     pub fn build(self) -> std::io::Result<()> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LogConfigBuilder` is never constructed
[INFO] [stdout]    --> src/logs/rotate.rs:247:12
[INFO] [stdout]     |
[INFO] [stdout] 247 | pub struct LogConfigBuilder {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/logs/rotate.rs:252:12
[INFO] [stdout]     |
[INFO] [stdout] 251 | impl LogConfigBuilder {
[INFO] [stdout]     | --------------------- associated items in this implementation
[INFO] [stdout] 252 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 258 |     pub fn output_dir<P: Into<PathBuf>>(mut self, path: P) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 263 |     pub fn file_prefix<S: Into<String>>(mut self, prefix: S) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 268 |     pub fn level(mut self, level: u8) -> Self {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 273 |     pub fn max_size(mut self, size: u64) -> Self {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 278 |     pub fn max_backups(mut self, count: u32) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 283 |     pub fn max_age(mut self, days: u32) -> Self {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 288 |     pub fn compress(mut self, enable: bool) -> Self {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 293 |     pub fn time_format<S: Into<String>>(mut self, format: S) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 298 |     pub fn console_output(mut self, enable: bool) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 303 |     pub fn build(self) -> LogConfig {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DateTime`
[INFO] [stdout]  --> src/logs/rotate.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | use chrono::{DateTime, Local};
[INFO] [stdout]   |              ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `LogConfigBuilder`, `LogConfig`, `LoggerBuilder`, and `Logger`
[INFO] [stdout]  --> src/logs/mod.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use rotate::{Logger, LogConfig, LoggerBuilder, LogConfigBuilder};
[INFO] [stdout]   |                  ^^^^^^  ^^^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `INIT_ROTATE_CHECK` is never used
[INFO] [stdout]   --> src/logs/rotate.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | static INIT_ROTATE_CHECK: Once = Once::new();
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LogConfig` is never constructed
[INFO] [stdout]   --> src/logs/rotate.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct LogConfig {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `builder` and `get_level` are never used
[INFO] [stdout]   --> src/logs/rotate.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 54 | impl LogConfig {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 55 |     pub fn builder() -> LogConfigBuilder {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     fn get_level(&self) -> LevelFilter {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Logger` is never constructed
[INFO] [stdout]   --> src/logs/rotate.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub struct Logger;
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `init`, `get_log_file`, `rotate_logs`, `cleanup_old_logs`, `compress_file`, and `check_rotate` are never used
[INFO] [stdout]    --> src/logs/rotate.rs:74:12
[INFO] [stdout]     |
[INFO] [stdout]  73 | impl Logger {
[INFO] [stdout]     | ----------- associated functions in this implementation
[INFO] [stdout]  74 |     pub fn init(config: Option<LogConfig>) -> std::io::Result<()> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 120 |     fn get_log_file(config: &LogConfig) -> std::io::Result<File> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 142 |     fn rotate_logs(config: &LogConfig, current_file: &str) -> std::io::Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 167 |     fn cleanup_old_logs(config: &LogConfig) -> std::io::Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 185 |     fn compress_file(path: &PathBuf) -> std::io::Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 201 |     pub fn check_rotate() {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LoggerBuilder` is never constructed
[INFO] [stdout]    --> src/logs/rotate.rs:227:12
[INFO] [stdout]     |
[INFO] [stdout] 227 | pub struct LoggerBuilder {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `from_config`, and `build` are never used
[INFO] [stdout]    --> src/logs/rotate.rs:232:12
[INFO] [stdout]     |
[INFO] [stdout] 231 | impl LoggerBuilder {
[INFO] [stdout]     | ------------------ associated items in this implementation
[INFO] [stdout] 232 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 238 |     pub fn from_config(config: LogConfig) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 242 |     pub fn build(self) -> std::io::Result<()> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LogConfigBuilder` is never constructed
[INFO] [stdout]    --> src/logs/rotate.rs:247:12
[INFO] [stdout]     |
[INFO] [stdout] 247 | pub struct LogConfigBuilder {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/logs/rotate.rs:252:12
[INFO] [stdout]     |
[INFO] [stdout] 251 | impl LogConfigBuilder {
[INFO] [stdout]     | --------------------- associated items in this implementation
[INFO] [stdout] 252 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 258 |     pub fn output_dir<P: Into<PathBuf>>(mut self, path: P) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 263 |     pub fn file_prefix<S: Into<String>>(mut self, prefix: S) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 268 |     pub fn level(mut self, level: u8) -> Self {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 273 |     pub fn max_size(mut self, size: u64) -> Self {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 278 |     pub fn max_backups(mut self, count: u32) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 283 |     pub fn max_age(mut self, days: u32) -> Self {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 288 |     pub fn compress(mut self, enable: bool) -> Self {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 293 |     pub fn time_format<S: Into<String>>(mut self, format: S) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 298 |     pub fn console_output(mut self, enable: bool) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 303 |     pub fn build(self) -> LogConfig {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "34fb01024b903bd177b9a90d2068192774a0ad81f8fb4ed3fc3fcde650128a25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34fb01024b903bd177b9a90d2068192774a0ad81f8fb4ed3fc3fcde650128a25", kill_on_drop: false }`
[INFO] [stdout] 34fb01024b903bd177b9a90d2068192774a0ad81f8fb4ed3fc3fcde650128a25
