[INFO] cloning repository https://github.com/take44444/generic-harness
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/take44444/generic-harness" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftake44444%2Fgeneric-harness", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftake44444%2Fgeneric-harness'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 50acaaec9c596aed7f7290a9fe988cd03c670b97
[INFO] checking take44444/generic-harness against 36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6 for pr-160581
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftake44444%2Fgeneric-harness" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/take44444/generic-harness
[INFO] finished tweaking git repo https://github.com/take44444/generic-harness
[INFO] tweaked toml for git repo https://github.com/take44444/generic-harness written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/take44444/generic-harness on toolchain 36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/take44444/generic-harness 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" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 7ffae31354941d487d6030edb73462a455e89305f6216d0c7f89efb9df97c5e7
[INFO] running `Command { std: "docker" "start" "7ffae31354941d487d6030edb73462a455e89305f6216d0c7f89efb9df97c5e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ffae31354941d487d6030edb73462a455e89305f6216d0c7f89efb9df97c5e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7ffae31354941d487d6030edb73462a455e89305f6216d0c7f89efb9df97c5e7" "/opt/rustwide/cargo-home/bin/cargo" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ffae31354941d487d6030edb73462a455e89305f6216d0c7f89efb9df97c5e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7ffae31354941d487d6030edb73462a455e89305f6216d0c7f89efb9df97c5e7" "/opt/rustwide/cargo-home/bin/cargo" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: unused variable: `sess`
[INFO] [stdout]  --> src/session/handlers.rs:5:37
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(super) async fn submission_loop(sess: Arc<Session>) {
[INFO] [stdout]   |                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_sess`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `HarnessResult` is never used
[INFO] [stdout]  --> src/error.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub type HarnessResult<T> = std::result::Result<T, HarnessErr>;
[INFO] [stdout]   |          ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `HarnessErr` is never used
[INFO] [stdout]  --> src/error.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum HarnessErr {
[INFO] [stdout]   |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HarnessThread` is never constructed
[INFO] [stdout]  --> src/harness_thread.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct HarnessThread {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/harness_thread.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl HarnessThread {
[INFO] [stdout]    | ------------------ associated function in this implementation
[INFO] [stdout] 10 |     pub(crate) fn new(harness: Harness) -> Self {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `AdditionalContextKind` is never used
[INFO] [stdout]   --> src/protocol.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum AdditionalContextKind {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AdditionalContextEntry` is never constructed
[INFO] [stdout]   --> src/protocol.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct AdditionalContextEntry {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ReviewDecision` is never used
[INFO] [stdout]   --> src/protocol.rs:25:10
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub enum ReviewDecision {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ByteRange` is never constructed
[INFO] [stdout]   --> src/protocol.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct ByteRange {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TextElement` is never constructed
[INFO] [stdout]   --> src/protocol.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub struct TextElement {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `UserInput` is never used
[INFO] [stdout]   --> src/protocol.rs:62:10
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub enum UserInput {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RequestUserInputAnswer` is never constructed
[INFO] [stdout]   --> src/protocol.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub struct RequestUserInputAnswer {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RequestUserInputResponse` is never constructed
[INFO] [stdout]   --> src/protocol.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub struct RequestUserInputResponse {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Op` is never used
[INFO] [stdout]   --> src/protocol.rs:97:10
[INFO] [stdout]    |
[INFO] [stdout] 97 | pub enum Op {
[INFO] [stdout]    |          ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Harness` is never constructed
[INFO] [stdout]   --> src/session/mod.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Harness {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `SessionLoopTermination` is never used
[INFO] [stdout]   --> src/session/mod.rs:24:17
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub(crate) type SessionLoopTermination = Shared<BoxFuture<'static, ()>>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `spawn` and `shutdown_and_wait` are never used
[INFO] [stdout]   --> src/session/mod.rs:27:25
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl Harness {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 27 |     pub(crate) async fn spawn() -> HarnessResult<Self> {
[INFO] [stdout]    |                         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub async fn shutdown_and_wait(&self) -> HarnessResult<()> {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `session_loop_termination_from_handle` is never used
[INFO] [stdout]   --> src/session/mod.rs:52:15
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub(crate) fn session_loop_termination_from_handle(
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `submission_loop` is never used
[INFO] [stdout]  --> src/session/handlers.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(super) async fn submission_loop(sess: Arc<Session>) {
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Session` is never constructed
[INFO] [stdout]  --> src/session/session.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub(crate) struct Session {}
[INFO] [stdout]   |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/session/session.rs:9:25
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl Session {
[INFO] [stdout]   | ------------ associated function in this implementation
[INFO] [stdout] 9 |     pub(crate) async fn new() -> Arc<Self> {
[INFO] [stdout]   |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ThreadId` is never constructed
[INFO] [stdout]   --> src/thread_manager.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct ThreadId {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/thread_manager.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl ThreadId {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 17 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ThreadManager` is never constructed
[INFO] [stdout]   --> src/thread_manager.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct ThreadManager {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `start_thread` are never used
[INFO] [stdout]   --> src/thread_manager.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl ThreadManager {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] 37 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub async fn start_thread(&self) -> HarnessResult<Arc<HarnessThread>> {
[INFO] [stdout]    |                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sess`
[INFO] [stdout]  --> src/session/handlers.rs:5:37
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(super) async fn submission_loop(sess: Arc<Session>) {
[INFO] [stdout]   |                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_sess`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `HarnessResult` is never used
[INFO] [stdout]  --> src/error.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub type HarnessResult<T> = std::result::Result<T, HarnessErr>;
[INFO] [stdout]   |          ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `HarnessErr` is never used
[INFO] [stdout]  --> src/error.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum HarnessErr {
[INFO] [stdout]   |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HarnessThread` is never constructed
[INFO] [stdout]  --> src/harness_thread.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct HarnessThread {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/harness_thread.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl HarnessThread {
[INFO] [stdout]    | ------------------ associated function in this implementation
[INFO] [stdout] 10 |     pub(crate) fn new(harness: Harness) -> Self {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `AdditionalContextKind` is never used
[INFO] [stdout]   --> src/protocol.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum AdditionalContextKind {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AdditionalContextEntry` is never constructed
[INFO] [stdout]   --> src/protocol.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct AdditionalContextEntry {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ReviewDecision` is never used
[INFO] [stdout]   --> src/protocol.rs:25:10
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub enum ReviewDecision {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ByteRange` is never constructed
[INFO] [stdout]   --> src/protocol.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct ByteRange {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TextElement` is never constructed
[INFO] [stdout]   --> src/protocol.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub struct TextElement {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `UserInput` is never used
[INFO] [stdout]   --> src/protocol.rs:62:10
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub enum UserInput {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RequestUserInputAnswer` is never constructed
[INFO] [stdout]   --> src/protocol.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub struct RequestUserInputAnswer {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RequestUserInputResponse` is never constructed
[INFO] [stdout]   --> src/protocol.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub struct RequestUserInputResponse {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Op` is never used
[INFO] [stdout]   --> src/protocol.rs:97:10
[INFO] [stdout]    |
[INFO] [stdout] 97 | pub enum Op {
[INFO] [stdout]    |          ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Harness` is never constructed
[INFO] [stdout]   --> src/session/mod.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Harness {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `SessionLoopTermination` is never used
[INFO] [stdout]   --> src/session/mod.rs:24:17
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub(crate) type SessionLoopTermination = Shared<BoxFuture<'static, ()>>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `spawn` and `shutdown_and_wait` are never used
[INFO] [stdout]   --> src/session/mod.rs:27:25
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl Harness {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 27 |     pub(crate) async fn spawn() -> HarnessResult<Self> {
[INFO] [stdout]    |                         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub async fn shutdown_and_wait(&self) -> HarnessResult<()> {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `session_loop_termination_from_handle` is never used
[INFO] [stdout]   --> src/session/mod.rs:52:15
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub(crate) fn session_loop_termination_from_handle(
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `submission_loop` is never used
[INFO] [stdout]  --> src/session/handlers.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(super) async fn submission_loop(sess: Arc<Session>) {
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Session` is never constructed
[INFO] [stdout]  --> src/session/session.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub(crate) struct Session {}
[INFO] [stdout]   |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/session/session.rs:9:25
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl Session {
[INFO] [stdout]   | ------------ associated function in this implementation
[INFO] [stdout] 9 |     pub(crate) async fn new() -> Arc<Self> {
[INFO] [stdout]   |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ThreadId` is never constructed
[INFO] [stdout]   --> src/thread_manager.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct ThreadId {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/thread_manager.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl ThreadId {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 17 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ThreadManager` is never constructed
[INFO] [stdout]   --> src/thread_manager.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct ThreadManager {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `start_thread` are never used
[INFO] [stdout]   --> src/thread_manager.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl ThreadManager {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] 37 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub async fn start_thread(&self) -> HarnessResult<Arc<HarnessThread>> {
[INFO] [stdout]    |                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `Command { std: "docker" "inspect" "7ffae31354941d487d6030edb73462a455e89305f6216d0c7f89efb9df97c5e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ffae31354941d487d6030edb73462a455e89305f6216d0c7f89efb9df97c5e7", kill_on_drop: false }`
[INFO] [stdout] 7ffae31354941d487d6030edb73462a455e89305f6216d0c7f89efb9df97c5e7
