[INFO] cloning repository https://github.com/Yarten/rs_syslog_viewer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Yarten/rs_syslog_viewer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYarten%2Frs_syslog_viewer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYarten%2Frs_syslog_viewer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ad13690939c964eec5dd654eebcce53196db0f6
[INFO] checking Yarten/rs_syslog_viewer against try#b98202ad067d72e45cec8be3d5c15d86ef0fd086 for pr-155193
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYarten%2Frs_syslog_viewer" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Yarten/rs_syslog_viewer
[INFO] finished tweaking git repo https://github.com/Yarten/rs_syslog_viewer
[INFO] tweaked toml for git repo https://github.com/Yarten/rs_syslog_viewer written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Yarten/rs_syslog_viewer on toolchain b98202ad067d72e45cec8be3d5c15d86ef0fd086
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b98202ad067d72e45cec8be3d5c15d86ef0fd086" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Yarten/rs_syslog_viewer 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" "+b98202ad067d72e45cec8be3d5c15d86ef0fd086" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]   Downloaded deranged v0.5.6
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[INFO] [stdout] 00c3cb630ff946abd60b0961cb879b51da3fabd33ceffe5b1ea75da59079d45f
[INFO] running `Command { std: "docker" "start" "-a" "00c3cb630ff946abd60b0961cb879b51da3fabd33ceffe5b1ea75da59079d45f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00c3cb630ff946abd60b0961cb879b51da3fabd33ceffe5b1ea75da59079d45f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00c3cb630ff946abd60b0961cb879b51da3fabd33ceffe5b1ea75da59079d45f", kill_on_drop: false }`
[INFO] [stdout] 00c3cb630ff946abd60b0961cb879b51da3fabd33ceffe5b1ea75da59079d45f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+b98202ad067d72e45cec8be3d5c15d86ef0fd086" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46bdf53fa1faf74d6303e5ef39f87bdb09ab4b6a9d153fff7cf48c0e9b9c80bb
[INFO] running `Command { std: "docker" "start" "-a" "46bdf53fa1faf74d6303e5ef39f87bdb09ab4b6a9d153fff7cf48c0e9b9c80bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.105
[INFO] [stderr]    Compiling quote v1.0.43
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[INFO] [stderr]    Compiling derive_more-impl v2.1.1
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[INFO] [stderr]    Compiling tokio-macros v2.6.0
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[INFO] [stderr]     Checking rs_syslog_viewer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/app/page/debug_page.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 |   text::{self, Span},
[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: `Styled`
[INFO] [stdout]   --> src/app/page/help_page.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 |   style::{Styled, Stylize},
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/app/time_matcher.rs:219:43
[INFO] [stdout]     |
[INFO] [stdout] 219 |           None => return Err(String::from(("Wrong format: empty definition !"))),
[INFO] [stdout]     |                                           ^                                  ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 219 -           None => return Err(String::from(("Wrong format: empty definition !"))),
[INFO] [stdout] 219 +           None => return Err(String::from("Wrong format: empty definition !" )),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MetadataEvent`
[INFO] [stdout]  --> src/file/head_reader.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 |   watcher::{ChangedEvent, MetadataEvent},
[INFO] [stdout]   |                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/file/head_reader.rs:116:18
[INFO] [stdout]     |
[INFO] [stdout] 116 |               if (event.send(&tx).await) {
[INFO] [stdout]     |                  ^                     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 116 -               if (event.send(&tx).await) {
[INFO] [stdout] 116 +               if event.send(&tx).await {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MetadataEvent`
[INFO] [stdout]  --> src/file/reader.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |   watcher::{MetadataEvent, Watcher},
[INFO] [stdout]   |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow`
[INFO] [stdout]  --> src/file/reader.rs:7:24
[INFO] [stdout]   |
[INFO] [stdout] 7 | use ::anyhow::{Result, anyhow};
[INFO] [stdout]   |                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/file/tail_reader.rs:198:18
[INFO] [stdout]     |
[INFO] [stdout] 198 |               if (event.send(&tx).await) {
[INFO] [stdout]     |                  ^                     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 198 -               if (event.send(&tx).await) {
[INFO] [stdout] 198 +               if event.send(&tx).await {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/file/watcher.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |   io::{self},
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `collections::BTreeMap`
[INFO] [stdout]  --> src/log/data_board.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{collections::BTreeMap, path::PathBuf};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::log::LogLine`
[INFO] [stdout]  --> src/log/iterator.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::log::LogLine;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/app/page/debug_page.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 |   text::{self, Span},
[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: `Styled`
[INFO] [stdout]   --> src/app/page/help_page.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 |   style::{Styled, Stylize},
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/app/time_matcher.rs:219:43
[INFO] [stdout]     |
[INFO] [stdout] 219 |           None => return Err(String::from(("Wrong format: empty definition !"))),
[INFO] [stdout]     |                                           ^                                  ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 219 -           None => return Err(String::from(("Wrong format: empty definition !"))),
[INFO] [stdout] 219 +           None => return Err(String::from("Wrong format: empty definition !" )),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MetadataEvent`
[INFO] [stdout]  --> src/file/head_reader.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 |   watcher::{ChangedEvent, MetadataEvent},
[INFO] [stdout]   |                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/file/head_reader.rs:116:18
[INFO] [stdout]     |
[INFO] [stdout] 116 |               if (event.send(&tx).await) {
[INFO] [stdout]     |                  ^                     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 116 -               if (event.send(&tx).await) {
[INFO] [stdout] 116 +               if event.send(&tx).await {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MetadataEvent`
[INFO] [stdout]  --> src/file/reader.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |   watcher::{MetadataEvent, Watcher},
[INFO] [stdout]   |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow`
[INFO] [stdout]  --> src/file/reader.rs:7:24
[INFO] [stdout]   |
[INFO] [stdout] 7 | use ::anyhow::{Result, anyhow};
[INFO] [stdout]   |                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/file/tail_reader.rs:198:18
[INFO] [stdout]     |
[INFO] [stdout] 198 |               if (event.send(&tx).await) {
[INFO] [stdout]     |                  ^                     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 198 -               if (event.send(&tx).await) {
[INFO] [stdout] 198 +               if event.send(&tx).await {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/file/watcher.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |   io::{self},
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `collections::BTreeMap`
[INFO] [stdout]  --> src/log/data_board.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{collections::BTreeMap, path::PathBuf};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::DerefMut`
[INFO] [stdout]    --> src/log/data_board.rs:126:7
[INFO] [stdout]     |
[INFO] [stdout] 126 |   use std::ops::DerefMut;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::log::LogLine`
[INFO] [stdout]  --> src/log/iterator.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::log::LogLine;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncBufReadExt`
[INFO] [stdout]   --> src/file/reader.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |   io::{AsyncBufReadExt, AsyncReadExt, AsyncSeekExt},
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncBufReadExt`
[INFO] [stdout]   --> src/file/reader.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |   io::{AsyncBufReadExt, AsyncReadExt, AsyncSeekExt},
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/app/page/help_page.rs:21:50
[INFO] [stdout]    |
[INFO] [stdout] 21 |   fn render(&self, area: Rect, buf: &mut Buffer, state: &PageState) {
[INFO] [stdout]    |                                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/app/page/help_page.rs:21:50
[INFO] [stdout]    |
[INFO] [stdout] 21 |   fn render(&self, area: Rect, buf: &mut Buffer, state: &PageState) {
[INFO] [stdout]    |                                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Then` is never used
[INFO] [stdout]  --> src/app/then.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Then {
[INFO] [stdout]   |           ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `file` is never read
[INFO] [stdout]   --> src/file/head_reader.rs:19:3
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct HeadReader {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 19 |   file: File,
[INFO] [stdout]    |   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `file` is never read
[INFO] [stdout]   --> src/file/tail_reader.rs:19:3
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct TailReader {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 19 |   file: File,
[INFO] [stdout]    |   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_empty` is never used
[INFO] [stdout]   --> src/log/log_file_content.rs:49:6
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl Chunk {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 49 |   fn is_empty(&self) -> bool {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> src/file/reader.rs:186:3
[INFO] [stdout]     |
[INFO] [stdout] 186 |   async fn start(&mut self) -> Result<()>;
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout]     = note: `#[warn(async_fn_in_trait)]` on by default
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 186 -   async fn start(&mut self) -> Result<()>;
[INFO] [stdout] 186 +   fn start(&mut self) -> impl std::future::Future<Output = Result<()>> + Send;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> src/file/reader.rs:189:3
[INFO] [stdout]     |
[INFO] [stdout] 189 |   async fn stop(&mut self) -> Result<()>;
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 189 -   async fn stop(&mut self) -> Result<()>;
[INFO] [stdout] 189 +   fn stop(&mut self) -> impl std::future::Future<Output = Result<()>> + Send;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> src/file/reader.rs:192:3
[INFO] [stdout]     |
[INFO] [stdout] 192 |   async fn changed(&mut self) -> Option<Vec<Event>>;
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 192 -   async fn changed(&mut self) -> Option<Vec<Event>>;
[INFO] [stdout] 192 +   fn changed(&mut self) -> impl std::future::Future<Output = Option<Vec<Event>>> + Send;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> src/file/reader.rs:199:3
[INFO] [stdout]     |
[INFO] [stdout] 199 |   async fn open(path: &Path, config: Config) -> Result<Self>;
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 199 -   async fn open(path: &Path, config: Config) -> Result<Self>;
[INFO] [stdout] 199 +   fn open(path: &Path, config: Config) -> impl std::future::Future<Output = Result<Self>> + Send;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Then` is never used
[INFO] [stdout]  --> src/app/then.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Then {
[INFO] [stdout]   |           ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `file` is never read
[INFO] [stdout]   --> src/file/head_reader.rs:19:3
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct HeadReader {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 19 |   file: File,
[INFO] [stdout]    |   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `file` is never read
[INFO] [stdout]   --> src/file/tail_reader.rs:19:3
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct TailReader {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 19 |   file: File,
[INFO] [stdout]    |   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_empty` is never used
[INFO] [stdout]   --> src/log/log_file_content.rs:49:6
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl Chunk {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 49 |   fn is_empty(&self) -> bool {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> src/file/reader.rs:186:3
[INFO] [stdout]     |
[INFO] [stdout] 186 |   async fn start(&mut self) -> Result<()>;
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout]     = note: `#[warn(async_fn_in_trait)]` on by default
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 186 -   async fn start(&mut self) -> Result<()>;
[INFO] [stdout] 186 +   fn start(&mut self) -> impl std::future::Future<Output = Result<()>> + Send;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> src/file/reader.rs:189:3
[INFO] [stdout]     |
[INFO] [stdout] 189 |   async fn stop(&mut self) -> Result<()>;
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 189 -   async fn stop(&mut self) -> Result<()>;
[INFO] [stdout] 189 +   fn stop(&mut self) -> impl std::future::Future<Output = Result<()>> + Send;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> src/file/reader.rs:192:3
[INFO] [stdout]     |
[INFO] [stdout] 192 |   async fn changed(&mut self) -> Option<Vec<Event>>;
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 192 -   async fn changed(&mut self) -> Option<Vec<Event>>;
[INFO] [stdout] 192 +   fn changed(&mut self) -> impl std::future::Future<Output = Option<Vec<Event>>> + Send;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> src/file/reader.rs:199:3
[INFO] [stdout]     |
[INFO] [stdout] 199 |   async fn open(path: &Path, config: Config) -> Result<Self>;
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 199 -   async fn open(path: &Path, config: Config) -> Result<Self>;
[INFO] [stdout] 199 +   fn open(path: &Path, config: Config) -> impl std::future::Future<Output = Result<Self>> + Send;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Event`
[INFO] [stdout]  --> tests/test_log_file.rs:1:40
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rs_syslog_viewer::log::{DataBoard, Event, LogFile, LogLine};
[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: `HashSet`
[INFO] [stdout]  --> tests/test_log_file.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{BTreeSet, HashSet};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Index`
[INFO] [stdout]  --> tests/test_rotated_log.rs:2:48
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rs_syslog_viewer::log::{Config, DataBoard, Index, IterNextNth, LogLine, RotatedLog};
[INFO] [stdout]   |                                                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `collect_mut_lines` is never used
[INFO] [stdout]   --> tests/common/mod.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn collect_mut_lines<'a, I>(i: impl Iterator<Item = (I, &'a mut LogLine)>) -> Vec<LogLine> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_all_files_as_lines` is never used
[INFO] [stdout]   --> tests/common/mod.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn read_all_files_as_lines(root: &Path, name: &str) -> Option<Vec<LogLine>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/generate_test_data2.rs:68:7
[INFO] [stdout]    |
[INFO] [stdout] 68 |   let mut tags = vec![
[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/bin/generate_test_data2.rs:68:7
[INFO] [stdout]    |
[INFO] [stdout] 68 |   let mut tags = vec![
[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: function `all_tags` is never used
[INFO] [stdout]   --> tests/common/mod.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn all_tags(content: &Vec<LogLine>) -> BTreeSet<String> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `collect_lines` is never used
[INFO] [stdout]   --> tests/common/mod.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn collect_lines<'a, I>(i: impl Iterator<Item = (I, &'a LogLine)>) -> Vec<LogLine> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `collect_mut_lines` is never used
[INFO] [stdout]   --> tests/common/mod.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn collect_mut_lines<'a, I>(i: impl Iterator<Item = (I, &'a mut LogLine)>) -> Vec<LogLine> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_all_files_as_lines` is never used
[INFO] [stdout]   --> tests/common/mod.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn read_all_files_as_lines(root: &Path, name: &str) -> Option<Vec<LogLine>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> tests/test_log_hub.rs:30:7
[INFO] [stdout]    |
[INFO] [stdout] 30 |   for i in 0..5 {
[INFO] [stdout]    |       ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_test_log` is never used
[INFO] [stdout]   --> tests/common/mod.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn get_test_log() -> PathBuf {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `all_tags` is never used
[INFO] [stdout]   --> tests/common/mod.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn all_tags(content: &Vec<LogLine>) -> BTreeSet<String> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `collect_lines` is never used
[INFO] [stdout]   --> tests/common/mod.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn collect_lines<'a, I>(i: impl Iterator<Item = (I, &'a LogLine)>) -> Vec<LogLine> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/test_rotated_log.rs:109:11
[INFO] [stdout]     |
[INFO] [stdout] 109 |       let mut tags = data_board.get_tags_mut();
[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: function `postfix` is never used
[INFO] [stdout]   --> tests/test_rotated_log.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn postfix(log_path: &Path, n: i32) -> PathBuf {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.29s
[INFO] running `Command { std: "docker" "inspect" "46bdf53fa1faf74d6303e5ef39f87bdb09ab4b6a9d153fff7cf48c0e9b9c80bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46bdf53fa1faf74d6303e5ef39f87bdb09ab4b6a9d153fff7cf48c0e9b9c80bb", kill_on_drop: false }`
[INFO] [stdout] 46bdf53fa1faf74d6303e5ef39f87bdb09ab4b6a9d153fff7cf48c0e9b9c80bb
