[INFO] cloning repository https://github.com/yuunamaniaiiidx/coto
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yuunamaniaiiidx/coto" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuunamaniaiiidx%2Fcoto", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuunamaniaiiidx%2Fcoto'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 79e0afa0c35d345ab02b0879e91330f1c82ef778
[INFO] testing yuunamaniaiiidx/coto against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuunamaniaiiidx%2Fcoto" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/yuunamaniaiiidx/coto
[INFO] finished tweaking git repo https://github.com/yuunamaniaiiidx/coto
[INFO] tweaked toml for git repo https://github.com/yuunamaniaiiidx/coto written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/yuunamaniaiiidx/coto on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/yuunamaniaiiidx/coto 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" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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_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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5a730ce15ed6304550cfa87a92d6bc735950a20af98f65c061ba64828c6e561
[INFO] running `Command { std: "docker" "start" "-a" "f5a730ce15ed6304550cfa87a92d6bc735950a20af98f65c061ba64828c6e561", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5a730ce15ed6304550cfa87a92d6bc735950a20af98f65c061ba64828c6e561", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5a730ce15ed6304550cfa87a92d6bc735950a20af98f65c061ba64828c6e561", kill_on_drop: false }`
[INFO] [stdout] f5a730ce15ed6304550cfa87a92d6bc735950a20af98f65c061ba64828c6e561
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce0eb01bd69fd639b3f326485d45a994f98f73f2beb69f7b7dbe0b15ac324121
[INFO] running `Command { std: "docker" "start" "-a" "ce0eb01bd69fd639b3f326485d45a994f98f73f2beb69f7b7dbe0b15ac324121", kill_on_drop: false }`
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[INFO] [stderr]    Compiling miclow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `AsyncBufReadExt`, `BufReader as TokioBufReader`, and `stdin`
[INFO] [stdout]  --> src/miclow.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tokio::io::{AsyncBufReadExt, AsyncWriteExt, BufReader as TokioBufReader, stdin};
[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: `async_trait::async_trait`
[INFO] [stdout]   --> src/miclow.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use async_trait::async_trait;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::Stdio`
[INFO] [stdout]   --> src/miclow.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::process::Stdio;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `InputBufferManager` and `StreamOutcome`
[INFO] [stdout]   --> src/miclow.rs:12:21
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::buffer::{InputBufferManager, StreamOutcome};
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ExecutorEventReceiver`
[INFO] [stdout]   --> src/miclow.rs:14:73
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::executor_event_channel::{ExecutorEvent, ExecutorEventSender, ExecutorEventReceiver, ExecutorEventChannel};
[INFO] [stdout]    |                                                                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `InputReceiver`, `InputSender`, and `StdinProtocol`
[INFO] [stdout]   --> src/miclow.rs:15:42
[INFO] [stdout]    |
[INFO] [stdout] 15 | ...l, InputSender, InputReceiver, InputDataMessage, TopicMessage, SystemResponseMessage, ReturnMessage, FunctionMessage, StdinProtocol};
[INFO] [stdout]    |       ^^^^^^^^^^^  ^^^^^^^^^^^^^                                                                                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SystemResponseSender`
[INFO] [stdout]   --> src/miclow.rs:16:61
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crate::system_response_channel::{SystemResponseChannel, SystemResponseSender, SystemResponseEvent, SystemResponseStatus};
[INFO] [stdout]    |                                                             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ShutdownSender`
[INFO] [stdout]   --> src/miclow.rs:17:48
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::shutdown_channel::{ShutdownChannel, ShutdownSender};
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SystemControlCommand`
[INFO] [stdout]   --> src/miclow.rs:19:37
[INFO] [stdout]    |
[INFO] [stdout] 19 | use crate::system_control_command::{SystemControlCommand, system_control_command_to_handler};
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::task_backend_handle::TaskBackendHandle`
[INFO] [stdout]   --> src/miclow.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use crate::task_backend_handle::TaskBackendHandle;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Signal` and `kill`
[INFO] [stdout]   --> src/miclow.rs:33:24
[INFO] [stdout]    |
[INFO] [stdout] 33 | use nix::sys::signal::{kill, Signal};
[INFO] [stdout]    |                        ^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nix::unistd::Pid`
[INFO] [stdout]   --> src/miclow.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | use nix::unistd::Pid;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncWriteExt`
[INFO] [stdout]  --> src/miclow.rs:6:34
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tokio::io::{AsyncBufReadExt, AsyncWriteExt, BufReader as TokioBufReader, stdin};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AsyncBufReadExt`, `BufReader as TokioBufReader`, and `stdin`
[INFO] [stdout]  --> src/miclow.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tokio::io::{AsyncBufReadExt, AsyncWriteExt, BufReader as TokioBufReader, stdin};
[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: `async_trait::async_trait`
[INFO] [stdout]   --> src/miclow.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use async_trait::async_trait;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::Stdio`
[INFO] [stdout]   --> src/miclow.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::process::Stdio;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `InputBufferManager` and `StreamOutcome`
[INFO] [stdout]   --> src/miclow.rs:12:21
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::buffer::{InputBufferManager, StreamOutcome};
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ExecutorEventReceiver`
[INFO] [stdout]   --> src/miclow.rs:14:73
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::executor_event_channel::{ExecutorEvent, ExecutorEventSender, ExecutorEventReceiver, ExecutorEventChannel};
[INFO] [stdout]    |                                                                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `InputReceiver`, `InputSender`, and `StdinProtocol`
[INFO] [stdout]   --> src/miclow.rs:15:42
[INFO] [stdout]    |
[INFO] [stdout] 15 | ...l, InputSender, InputReceiver, InputDataMessage, TopicMessage, SystemResponseMessage, ReturnMessage, FunctionMessage, StdinProtocol};
[INFO] [stdout]    |       ^^^^^^^^^^^  ^^^^^^^^^^^^^                                                                                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SystemResponseSender`
[INFO] [stdout]   --> src/miclow.rs:16:61
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crate::system_response_channel::{SystemResponseChannel, SystemResponseSender, SystemResponseEvent, SystemResponseStatus};
[INFO] [stdout]    |                                                             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ShutdownSender`
[INFO] [stdout]   --> src/miclow.rs:17:48
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::shutdown_channel::{ShutdownChannel, ShutdownSender};
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SystemControlCommand`
[INFO] [stdout]   --> src/miclow.rs:19:37
[INFO] [stdout]    |
[INFO] [stdout] 19 | use crate::system_control_command::{SystemControlCommand, system_control_command_to_handler};
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::task_backend_handle::TaskBackendHandle`
[INFO] [stdout]   --> src/miclow.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use crate::task_backend_handle::TaskBackendHandle;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Signal` and `kill`
[INFO] [stdout]   --> src/miclow.rs:33:24
[INFO] [stdout]    |
[INFO] [stdout] 33 | use nix::sys::signal::{kill, Signal};
[INFO] [stdout]    |                        ^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nix::unistd::Pid`
[INFO] [stdout]   --> src/miclow.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | use nix::unistd::Pid;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     exit(0);
[INFO] [stdout]    |     ------- any code following this expression is unreachable
[INFO] [stdout] 53 |     Ok(())
[INFO] [stdout]    |     ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncWriteExt`
[INFO] [stdout]  --> src/miclow.rs:6:34
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tokio::io::{AsyncBufReadExt, AsyncWriteExt, BufReader as TokioBufReader, stdin};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `topic` and `data` are never used
[INFO] [stdout]   --> src/system_response_channel.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl SystemResponseEvent {
[INFO] [stdout]    | ------------------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn topic(&self) -> &str {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn data(&self) -> Option<&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: field `event_sender` is never read
[INFO] [stdout]  --> src/task_backend_handle.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct TaskBackendHandle {
[INFO] [stdout]   |            ----------------- field in this struct
[INFO] [stdout] 7 |     pub event_receiver: ExecutorEventReceiver,
[INFO] [stdout] 8 |     pub event_sender: ExecutorEventSender,
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `input_sender` is never read
[INFO] [stdout]  --> src/running_task.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct RunningTask {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 9 |     pub input_sender: InputSender,
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `RunningTask` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `shutdown_all` is never used
[INFO] [stdout]   --> src/background_task_manager.rs:17:18
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl BackgroundTaskManager {
[INFO] [stdout]    | -------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub async fn shutdown_all(&mut self, timeout: std::time::Duration) {
[INFO] [stdout]    |                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `unregister_task_by_name` and `stop_task_by_task_id` are never used
[INFO] [stdout]    --> src/miclow.rs:498:18
[INFO] [stdout]     |
[INFO] [stdout] 447 | impl TaskExecutor {
[INFO] [stdout]     | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 498 |     pub async fn unregister_task_by_name(&self, task_name: &str) -> Option<RunningTask> {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 512 |     pub async fn stop_task_by_task_id(&self, task_id: &TaskId) -> Result<()> {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `remove_task` and `has_active_buffers` are never used
[INFO] [stdout]   --> src/buffer.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 54 | impl InputBufferManager {
[INFO] [stdout]    | ----------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 80 |     pub fn remove_task(&mut self, task_id: &str) -> Option<TopicInputBuffer> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |     pub fn has_active_buffers(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `task_id` is never read
[INFO] [stdout]   --> src/logging.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct LogEvent {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub task_id: Option<String>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LogEvent` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `task_id` is never read
[INFO] [stdout]   --> src/logging.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub struct UserLogEvent {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 81 |     pub task_id: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UserLogEvent` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3m 24s
[INFO] running `Command { std: "docker" "inspect" "ce0eb01bd69fd639b3f326485d45a994f98f73f2beb69f7b7dbe0b15ac324121", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce0eb01bd69fd639b3f326485d45a994f98f73f2beb69f7b7dbe0b15ac324121", kill_on_drop: false }`
[INFO] [stdout] ce0eb01bd69fd639b3f326485d45a994f98f73f2beb69f7b7dbe0b15ac324121
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bdfc3b02527267e926e81d07e07ca40cb53feb964d8dd31acf9167e48299e32d
[INFO] running `Command { std: "docker" "start" "-a" "bdfc3b02527267e926e81d07e07ca40cb53feb964d8dd31acf9167e48299e32d", kill_on_drop: false }`
[INFO] [stdout] warning: unused imports: `AsyncBufReadExt`, `BufReader as TokioBufReader`, and `stdin`
[INFO] [stdout]  --> src/miclow.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tokio::io::{AsyncBufReadExt, AsyncWriteExt, BufReader as TokioBufReader, stdin};
[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: `async_trait::async_trait`
[INFO] [stdout]   --> src/miclow.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use async_trait::async_trait;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::Stdio`
[INFO] [stdout]   --> src/miclow.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::process::Stdio;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `InputBufferManager` and `StreamOutcome`
[INFO] [stdout]   --> src/miclow.rs:12:21
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::buffer::{InputBufferManager, StreamOutcome};
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ExecutorEventReceiver`
[INFO] [stdout]   --> src/miclow.rs:14:73
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::executor_event_channel::{ExecutorEvent, ExecutorEventSender, ExecutorEventReceiver, ExecutorEventChannel};
[INFO] [stdout]    |                                                                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `InputReceiver`, `InputSender`, and `StdinProtocol`
[INFO] [stdout]   --> src/miclow.rs:15:42
[INFO] [stdout]    |
[INFO] [stdout] 15 | ...l, InputSender, InputReceiver, InputDataMessage, TopicMessage, SystemResponseMessage, ReturnMessage, FunctionMessage, StdinProtocol};
[INFO] [stdout]    |       ^^^^^^^^^^^  ^^^^^^^^^^^^^                                                                                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SystemResponseSender`
[INFO] [stdout]   --> src/miclow.rs:16:61
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crate::system_response_channel::{SystemResponseChannel, SystemResponseSender, SystemResponseEvent, SystemResponseStatus};
[INFO] [stdout]    |                                                             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ShutdownSender`
[INFO] [stdout]   --> src/miclow.rs:17:48
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::shutdown_channel::{ShutdownChannel, ShutdownSender};
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SystemControlCommand`
[INFO] [stdout]   --> src/miclow.rs:19:37
[INFO] [stdout]    |
[INFO] [stdout] 19 | use crate::system_control_command::{SystemControlCommand, system_control_command_to_handler};
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::task_backend_handle::TaskBackendHandle`
[INFO] [stdout]   --> src/miclow.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use crate::task_backend_handle::TaskBackendHandle;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Signal` and `kill`
[INFO] [stdout]   --> src/miclow.rs:33:24
[INFO] [stdout]    |
[INFO] [stdout] 33 | use nix::sys::signal::{kill, Signal};
[INFO] [stdout]    |                        ^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nix::unistd::Pid`
[INFO] [stdout]   --> src/miclow.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | use nix::unistd::Pid;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncWriteExt`
[INFO] [stdout]  --> src/miclow.rs:6:34
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tokio::io::{AsyncBufReadExt, AsyncWriteExt, BufReader as TokioBufReader, stdin};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling miclow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `AsyncBufReadExt`, `BufReader as TokioBufReader`, and `stdin`
[INFO] [stdout]  --> src/miclow.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tokio::io::{AsyncBufReadExt, AsyncWriteExt, BufReader as TokioBufReader, stdin};
[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: `async_trait::async_trait`
[INFO] [stdout]   --> src/miclow.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use async_trait::async_trait;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::Stdio`
[INFO] [stdout]   --> src/miclow.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::process::Stdio;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `InputBufferManager` and `StreamOutcome`
[INFO] [stdout]   --> src/miclow.rs:12:21
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::buffer::{InputBufferManager, StreamOutcome};
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ExecutorEventReceiver`
[INFO] [stdout]   --> src/miclow.rs:14:73
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::executor_event_channel::{ExecutorEvent, ExecutorEventSender, ExecutorEventReceiver, ExecutorEventChannel};
[INFO] [stdout]    |                                                                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `InputReceiver`, `InputSender`, and `StdinProtocol`
[INFO] [stdout]   --> src/miclow.rs:15:42
[INFO] [stdout]    |
[INFO] [stdout] 15 | ...l, InputSender, InputReceiver, InputDataMessage, TopicMessage, SystemResponseMessage, ReturnMessage, FunctionMessage, StdinProtocol};
[INFO] [stdout]    |       ^^^^^^^^^^^  ^^^^^^^^^^^^^                                                                                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SystemResponseSender`
[INFO] [stdout]   --> src/miclow.rs:16:61
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crate::system_response_channel::{SystemResponseChannel, SystemResponseSender, SystemResponseEvent, SystemResponseStatus};
[INFO] [stdout]    |                                                             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ShutdownSender`
[INFO] [stdout]   --> src/miclow.rs:17:48
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::shutdown_channel::{ShutdownChannel, ShutdownSender};
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SystemControlCommand`
[INFO] [stdout]   --> src/miclow.rs:19:37
[INFO] [stdout]    |
[INFO] [stdout] 19 | use crate::system_control_command::{SystemControlCommand, system_control_command_to_handler};
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::task_backend_handle::TaskBackendHandle`
[INFO] [stdout]   --> src/miclow.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use crate::task_backend_handle::TaskBackendHandle;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Signal` and `kill`
[INFO] [stdout]   --> src/miclow.rs:33:24
[INFO] [stdout]    |
[INFO] [stdout] 33 | use nix::sys::signal::{kill, Signal};
[INFO] [stdout]    |                        ^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nix::unistd::Pid`
[INFO] [stdout]   --> src/miclow.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | use nix::unistd::Pid;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AsyncBufReadExt`, `BufReader as TokioBufReader`, and `stdin`
[INFO] [stdout]  --> src/miclow.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tokio::io::{AsyncBufReadExt, AsyncWriteExt, BufReader as TokioBufReader, stdin};
[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: `async_trait::async_trait`
[INFO] [stdout]   --> src/miclow.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use async_trait::async_trait;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::Stdio`
[INFO] [stdout]   --> src/miclow.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::process::Stdio;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `InputBufferManager` and `StreamOutcome`
[INFO] [stdout]   --> src/miclow.rs:12:21
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::buffer::{InputBufferManager, StreamOutcome};
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ExecutorEventReceiver`
[INFO] [stdout]   --> src/miclow.rs:14:73
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::executor_event_channel::{ExecutorEvent, ExecutorEventSender, ExecutorEventReceiver, ExecutorEventChannel};
[INFO] [stdout]    |                                                                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `InputReceiver`, `InputSender`, and `StdinProtocol`
[INFO] [stdout]   --> src/miclow.rs:15:42
[INFO] [stdout]    |
[INFO] [stdout] 15 | ...l, InputSender, InputReceiver, InputDataMessage, TopicMessage, SystemResponseMessage, ReturnMessage, FunctionMessage, StdinProtocol};
[INFO] [stdout]    |       ^^^^^^^^^^^  ^^^^^^^^^^^^^                                                                                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SystemResponseSender`
[INFO] [stdout]   --> src/miclow.rs:16:61
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crate::system_response_channel::{SystemResponseChannel, SystemResponseSender, SystemResponseEvent, SystemResponseStatus};
[INFO] [stdout]    |                                                             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ShutdownSender`
[INFO] [stdout]   --> src/miclow.rs:17:48
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::shutdown_channel::{ShutdownChannel, ShutdownSender};
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SystemControlCommand`
[INFO] [stdout]   --> src/miclow.rs:19:37
[INFO] [stdout]    |
[INFO] [stdout] 19 | use crate::system_control_command::{SystemControlCommand, system_control_command_to_handler};
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::task_backend_handle::TaskBackendHandle`
[INFO] [stdout]   --> src/miclow.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use crate::task_backend_handle::TaskBackendHandle;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Signal` and `kill`
[INFO] [stdout]   --> src/miclow.rs:33:24
[INFO] [stdout]    |
[INFO] [stdout] 33 | use nix::sys::signal::{kill, Signal};
[INFO] [stdout]    |                        ^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nix::unistd::Pid`
[INFO] [stdout]   --> src/miclow.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | use nix::unistd::Pid;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     exit(0);
[INFO] [stdout]    |     ------- any code following this expression is unreachable
[INFO] [stdout] 53 |     Ok(())
[INFO] [stdout]    |     ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncWriteExt`
[INFO] [stdout]  --> src/miclow.rs:6:34
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tokio::io::{AsyncBufReadExt, AsyncWriteExt, BufReader as TokioBufReader, stdin};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncWriteExt`
[INFO] [stdout]  --> src/miclow.rs:6:34
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tokio::io::{AsyncBufReadExt, AsyncWriteExt, BufReader as TokioBufReader, stdin};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `topic` and `data` are never used
[INFO] [stdout]   --> src/system_response_channel.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl SystemResponseEvent {
[INFO] [stdout]    | ------------------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn topic(&self) -> &str {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn data(&self) -> Option<&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: field `event_sender` is never read
[INFO] [stdout]  --> src/task_backend_handle.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct TaskBackendHandle {
[INFO] [stdout]   |            ----------------- field in this struct
[INFO] [stdout] 7 |     pub event_receiver: ExecutorEventReceiver,
[INFO] [stdout] 8 |     pub event_sender: ExecutorEventSender,
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `input_sender` is never read
[INFO] [stdout]  --> src/running_task.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct RunningTask {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 9 |     pub input_sender: InputSender,
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `RunningTask` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `shutdown_all` is never used
[INFO] [stdout]   --> src/background_task_manager.rs:17:18
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl BackgroundTaskManager {
[INFO] [stdout]    | -------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub async fn shutdown_all(&mut self, timeout: std::time::Duration) {
[INFO] [stdout]    |                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `unregister_task_by_name` and `stop_task_by_task_id` are never used
[INFO] [stdout]    --> src/miclow.rs:498:18
[INFO] [stdout]     |
[INFO] [stdout] 447 | impl TaskExecutor {
[INFO] [stdout]     | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 498 |     pub async fn unregister_task_by_name(&self, task_name: &str) -> Option<RunningTask> {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 512 |     pub async fn stop_task_by_task_id(&self, task_id: &TaskId) -> Result<()> {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `has_active_buffers` is never used
[INFO] [stdout]   --> src/buffer.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 54 | impl InputBufferManager {
[INFO] [stdout]    | ----------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 84 |     pub fn has_active_buffers(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `task_id` is never read
[INFO] [stdout]   --> src/logging.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct LogEvent {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub task_id: Option<String>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LogEvent` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `task_id` is never read
[INFO] [stdout]   --> src/logging.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub struct UserLogEvent {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 81 |     pub task_id: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UserLogEvent` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.08s
[INFO] running `Command { std: "docker" "inspect" "bdfc3b02527267e926e81d07e07ca40cb53feb964d8dd31acf9167e48299e32d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdfc3b02527267e926e81d07e07ca40cb53feb964d8dd31acf9167e48299e32d", kill_on_drop: false }`
[INFO] [stdout] bdfc3b02527267e926e81d07e07ca40cb53feb964d8dd31acf9167e48299e32d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dde03d743a3cfa7d3999b88a1cf521448702f25c82a9fdc1007fa9893038bd9d
[INFO] running `Command { std: "docker" "start" "-a" "dde03d743a3cfa7d3999b88a1cf521448702f25c82a9fdc1007fa9893038bd9d", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `AsyncBufReadExt`, `BufReader as TokioBufReader`, and `stdin`
[INFO] [stderr]  --> src/miclow.rs:6:17
[INFO] [stderr]   |
[INFO] [stderr] 6 | use tokio::io::{AsyncBufReadExt, AsyncWriteExt, BufReader as TokioBufReader, stdin};
[INFO] [stderr]   |                 ^^^^^^^^^^^^^^^                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `async_trait::async_trait`
[INFO] [stderr]   --> src/miclow.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use async_trait::async_trait;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::process::Stdio`
[INFO] [stderr]   --> src/miclow.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::process::Stdio;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `InputBufferManager` and `StreamOutcome`
[INFO] [stderr]   --> src/miclow.rs:12:21
[INFO] [stderr]    |
[INFO] [stderr] 12 | use crate::buffer::{InputBufferManager, StreamOutcome};
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ExecutorEventReceiver`
[INFO] [stderr]   --> src/miclow.rs:14:73
[INFO] [stderr]    |
[INFO] [stderr] 14 | use crate::executor_event_channel::{ExecutorEvent, ExecutorEventSender, ExecutorEventReceiver, ExecutorEventChannel};
[INFO] [stderr]    |                                                                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `InputReceiver`, `InputSender`, and `StdinProtocol`
[INFO] [stderr]   --> src/miclow.rs:15:42
[INFO] [stderr]    |
[INFO] [stderr] 15 | ...l, InputSender, InputReceiver, InputDataMessage, TopicMessage, SystemResponseMessage, ReturnMessage, FunctionMessage, StdinProtocol};
[INFO] [stderr]    |       ^^^^^^^^^^^  ^^^^^^^^^^^^^                                                                                         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SystemResponseSender`
[INFO] [stderr]   --> src/miclow.rs:16:61
[INFO] [stderr]    |
[INFO] [stderr] 16 | use crate::system_response_channel::{SystemResponseChannel, SystemResponseSender, SystemResponseEvent, SystemResponseStatus};
[INFO] [stderr]    |                                                             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ShutdownSender`
[INFO] [stderr]   --> src/miclow.rs:17:48
[INFO] [stderr]    |
[INFO] [stderr] 17 | use crate::shutdown_channel::{ShutdownChannel, ShutdownSender};
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SystemControlCommand`
[INFO] [stderr]   --> src/miclow.rs:19:37
[INFO] [stderr]    |
[INFO] [stderr] 19 | use crate::system_control_command::{SystemControlCommand, system_control_command_to_handler};
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::task_backend_handle::TaskBackendHandle`
[INFO] [stderr]   --> src/miclow.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | use crate::task_backend_handle::TaskBackendHandle;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Signal` and `kill`
[INFO] [stderr]   --> src/miclow.rs:33:24
[INFO] [stderr]    |
[INFO] [stderr] 33 | use nix::sys::signal::{kill, Signal};
[INFO] [stderr]    |                        ^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `nix::unistd::Pid`
[INFO] [stderr]   --> src/miclow.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 | use nix::unistd::Pid;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `AsyncWriteExt`
[INFO] [stderr]  --> src/miclow.rs:6:34
[INFO] [stderr]   |
[INFO] [stderr] 6 | use tokio::io::{AsyncBufReadExt, AsyncWriteExt, BufReader as TokioBufReader, stdin};
[INFO] [stderr]   |                                  ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `miclow` (lib) generated 13 warnings (run `cargo fix --lib -p miclow` to apply 12 suggestions)
[INFO] [stderr] warning: `miclow` (lib test) generated 13 warnings (13 duplicates)
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/main.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     exit(0);
[INFO] [stderr]    |     ------- any code following this expression is unreachable
[INFO] [stderr] 53 |     Ok(())
[INFO] [stderr]    |     ^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `topic` and `data` are never used
[INFO] [stderr]   --> src/system_response_channel.rs:42:12
[INFO] [stderr]    |
[INFO] [stderr] 33 | impl SystemResponseEvent {
[INFO] [stderr]    | ------------------------ methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 42 |     pub fn topic(&self) -> &str {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 49 |     pub fn data(&self) -> Option<&String> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `event_sender` is never read
[INFO] [stderr]  --> src/task_backend_handle.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct TaskBackendHandle {
[INFO] [stderr]   |            ----------------- field in this struct
[INFO] [stderr] 7 |     pub event_receiver: ExecutorEventReceiver,
[INFO] [stderr] 8 |     pub event_sender: ExecutorEventSender,
[INFO] [stderr]   |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `input_sender` is never read
[INFO] [stderr]  --> src/running_task.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct RunningTask {
[INFO] [stderr]   |            ----------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 9 |     pub input_sender: InputSender,
[INFO] [stderr]   |         ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `RunningTask` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: method `shutdown_all` is never used
[INFO] [stderr]   --> src/background_task_manager.rs:17:18
[INFO] [stderr]    |
[INFO] [stderr]  8 | impl BackgroundTaskManager {
[INFO] [stderr]    | -------------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 17 |     pub async fn shutdown_all(&mut self, timeout: std::time::Duration) {
[INFO] [stderr]    |                  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `unregister_task_by_name` and `stop_task_by_task_id` are never used
[INFO] [stderr]    --> src/miclow.rs:498:18
[INFO] [stderr]     |
[INFO] [stderr] 447 | impl TaskExecutor {
[INFO] [stderr]     | ----------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 498 |     pub async fn unregister_task_by_name(&self, task_name: &str) -> Option<RunningTask> {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 512 |     pub async fn stop_task_by_task_id(&self, task_id: &TaskId) -> Result<()> {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `has_active_buffers` is never used
[INFO] [stderr]   --> src/buffer.rs:84:12
[INFO] [stderr]    |
[INFO] [stderr] 54 | impl InputBufferManager {
[INFO] [stderr]    | ----------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 84 |     pub fn has_active_buffers(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `task_id` is never read
[INFO] [stderr]   --> src/logging.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub struct LogEvent {
[INFO] [stderr]    |            -------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 15 |     pub task_id: Option<String>,
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `LogEvent` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `task_id` is never read
[INFO] [stderr]   --> src/logging.rs:81:9
[INFO] [stderr]    |
[INFO] [stderr] 80 | pub struct UserLogEvent {
[INFO] [stderr]    |            ------------ field in this struct
[INFO] [stderr] 81 |     pub task_id: String,
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `UserLogEvent` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `miclow` (bin "miclow" test) generated 22 warnings (13 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/miclow-9cb98e76f20ea65c)
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test buffer::tests::consume_stream_line_end_when_not_active_returns_plain ... ok
[INFO] [stdout] test buffer::tests::input_buffer_manager_basic_operations ... ok
[INFO] [stdout] test buffer::tests::consume_stream_line_error_on_unterminated_topic ... ok
[INFO] [stdout] test buffer::tests::consume_stream_line_mismatched_end_keeps_buffering ... ok
[INFO] [stdout] test buffer::tests::consume_stream_line_multiline_start_then_end_emits_aggregated ... ok
[INFO] [stdout] test buffer::tests::consume_stream_line_plain_for_not_special_when_not_active ... ok
[INFO] [stdout] test buffer::tests::escaped_quotes_in_key ... ok
[INFO] [stdout] test buffer::tests::flush_unfinished_emits_buffered_raw_text ... ok
[INFO] [stdout] test buffer::tests::input_buffer_manager_flush_unfinished ... ok
[INFO] [stdout] test buffer::tests::input_buffer_manager_multiple_tasks ... ok
[INFO] [stdout] test buffer::tests::consume_stream_line_emits_single_line_when_not_active ... ok
[INFO] [stdout] test buffer::tests::leading_whitespace_is_error_for_special_lines ... ok
[INFO] [stdout] test buffer::tests::multiline_basic ... ok
[INFO] [stdout] test buffer::tests::multiline_end_with_extra_chars_is_error ... ok
[INFO] [stdout] test buffer::tests::multiline_no_normalization_and_trailing_empty_line ... ok
[INFO] [stdout] test buffer::tests::nested_marker_should_not_start_new_buffer ... ok
[INFO] [stdout] test buffer::tests::quoted_value_is_preserved ... ok
[INFO] [stdout] test buffer::tests::single_line_parsing ... ok
[INFO] [stdout] test buffer::tests::spaces_rules_and_empty_value ... ok
[INFO] [stdout] test buffer::tests::strip_crlf_trims_line_endings ... ok
[INFO] [stdout] test buffer::tests::input_buffer_manager_remove_task ... ok
[INFO] [stdout] test config::tests::test_load_functions_from_include ... ok
[INFO] [stdout] test buffer::tests::unexpected_end_emits_error_path_assumed_at_call_site ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/miclow-56cff4f001284b35)
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test buffer::tests::consume_stream_line_end_when_not_active_returns_plain ... ok
[INFO] [stdout] test buffer::tests::consume_stream_line_error_on_unterminated_topic ... ok
[INFO] [stdout] test buffer::tests::consume_stream_line_mismatched_end_keeps_buffering ... ok
[INFO] [stdout] test buffer::tests::consume_stream_line_emits_single_line_when_not_active ... ok
[INFO] [stdout] test buffer::tests::consume_stream_line_multiline_start_then_end_emits_aggregated ... ok
[INFO] [stdout] test buffer::tests::escaped_quotes_in_key ... ok
[INFO] [stdout] test buffer::tests::flush_unfinished_emits_buffered_raw_text ... ok
[INFO] [stdout] test buffer::tests::consume_stream_line_plain_for_not_special_when_not_active ... ok
[INFO] [stdout] test buffer::tests::input_buffer_manager_basic_operations ... ok
[INFO] [stdout] test buffer::tests::input_buffer_manager_flush_unfinished ... ok
[INFO] [stdout] test buffer::tests::input_buffer_manager_multiple_tasks ... ok
[INFO] [stdout] test buffer::tests::input_buffer_manager_remove_task ... ok
[INFO] [stdout] test buffer::tests::leading_whitespace_is_error_for_special_lines ... ok
[INFO] [stdout] test buffer::tests::multiline_basic ... ok
[INFO] [stdout] test buffer::tests::multiline_end_with_extra_chars_is_error ... ok
[INFO] [stdout] test buffer::tests::nested_marker_should_not_start_new_buffer ... ok
[INFO] [stdout] test buffer::tests::multiline_no_normalization_and_trailing_empty_line ... ok
[INFO] [stdout] test buffer::tests::single_line_parsing ... ok
[INFO] [stdout] test buffer::tests::spaces_rules_and_empty_value ... ok
[INFO] [stdout] test buffer::tests::strip_crlf_trims_line_endings ... ok
[INFO] [stdout] test buffer::tests::unexpected_end_emits_error_path_assumed_at_call_site ... ok
[INFO] [stdout] test config::tests::test_load_functions_from_include ... ok
[INFO] [stdout] test buffer::tests::quoted_value_is_preserved ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests miclow
[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" "dde03d743a3cfa7d3999b88a1cf521448702f25c82a9fdc1007fa9893038bd9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dde03d743a3cfa7d3999b88a1cf521448702f25c82a9fdc1007fa9893038bd9d", kill_on_drop: false }`
[INFO] [stdout] dde03d743a3cfa7d3999b88a1cf521448702f25c82a9fdc1007fa9893038bd9d
