[INFO] cloning repository https://github.com/meddle0x53/gen_poller
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/meddle0x53/gen_poller" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeddle0x53%2Fgen_poller", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeddle0x53%2Fgen_poller'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dcff1fdae886861e3a285870db275ddc0ad0ca7b
[INFO] testing meddle0x53/gen_poller against try#36577a2b3cb42b8f23dec84e9203116bad6051e8 for pr-150681-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeddle0x53%2Fgen_poller" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/meddle0x53/gen_poller
[INFO] finished tweaking git repo https://github.com/meddle0x53/gen_poller
[INFO] tweaked toml for git repo https://github.com/meddle0x53/gen_poller written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/meddle0x53/gen_poller on toolchain 36577a2b3cb42b8f23dec84e9203116bad6051e8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36577a2b3cb42b8f23dec84e9203116bad6051e8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/meddle0x53/gen_poller 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" "+36577a2b3cb42b8f23dec84e9203116bad6051e8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+36577a2b3cb42b8f23dec84e9203116bad6051e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dfac01cf00a784578675e23593c5bc7aaede9cecb010379bc65a1255fc4b77f1
[INFO] running `Command { std: "docker" "start" "-a" "dfac01cf00a784578675e23593c5bc7aaede9cecb010379bc65a1255fc4b77f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfac01cf00a784578675e23593c5bc7aaede9cecb010379bc65a1255fc4b77f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfac01cf00a784578675e23593c5bc7aaede9cecb010379bc65a1255fc4b77f1", kill_on_drop: false }`
[INFO] [stdout] dfac01cf00a784578675e23593c5bc7aaede9cecb010379bc65a1255fc4b77f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+36577a2b3cb42b8f23dec84e9203116bad6051e8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2ddc98cafb742c96ea7aa86182cc8c6757d469dfe0d100bc6d6f27e7ed15469
[INFO] running `Command { std: "docker" "start" "-a" "d2ddc98cafb742c96ea7aa86182cc8c6757d469dfe0d100bc6d6f27e7ed15469", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling smallvec v1.15.0
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling signal-hook-registry v1.4.5
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling socket2 v0.5.9
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling humantime v2.2.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tokio v1.44.2
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling humantime-serde v1.1.1
[INFO] [stderr]    Compiling gen_poller v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/workers/worker.rs:95:32
[INFO] [stdout]    |
[INFO] [stdout] 95 | ...                   if let ControlMessage::Shutdown = ctrl_msg {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Supervisor` is never constructed
[INFO] [stdout]   --> src/workers/supervisor.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Supervisor<W>
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/workers/supervisor.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | / impl<W> Supervisor<W>
[INFO] [stdout] 22 | | where
[INFO] [stdout] 23 | |     W: Worker,
[INFO] [stdout]    | |______________- associated items in this implementation
[INFO] [stdout] 24 |   {
[INFO] [stdout] 25 |       pub fn new() -> Self {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |       pub async fn send(&self, name: &str, msg: W::Message) {
[INFO] [stdout]    |                    ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |       pub async fn shutdown_all(&mut self) {
[INFO] [stdout]    |                    ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |       pub async fn wait_for_all(&mut self) {
[INFO] [stdout]    |                    ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |       pub async fn start_all(
[INFO] [stdout]    |                    ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 81 |       async fn build_worker(
[INFO] [stdout]    |                ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 95 |       fn insert_worker(&mut self, name: String, handle: WorkerHandle<W::Message>) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |       async fn monitor(supervisor: Arc<Mutex<Self>>, mut shutdown: watch::Receiver<()>) {
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `WorkerEnvelope` is never used
[INFO] [stdout]   --> src/workers/worker.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub enum WorkerEnvelope<M> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ControlMessage` is never used
[INFO] [stdout]   --> src/workers/worker.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub enum ControlMessage {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WorkerHandle` is never constructed
[INFO] [stdout]   --> src/workers/worker.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct WorkerHandle<Message> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Worker` is never used
[INFO] [stdout]   --> src/workers/worker.rs:29:11
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub trait Worker: Send + Sync + 'static {
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/workers/worker.rs:95:32
[INFO] [stdout]    |
[INFO] [stdout] 95 | ...                   if let ControlMessage::Shutdown = ctrl_msg {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RepoConfig` is never constructed
[INFO] [stdout]  --> src/config.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct RepoConfig {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PartialRepoConfig` is never constructed
[INFO] [stdout]   --> src/config.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct PartialRepoConfig {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `load_repo_configs` is never used
[INFO] [stdout]   --> src/config.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn load_repo_configs(path: &str) -> Result<Vec<RepoConfig>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PollingEvent` is never constructed
[INFO] [stdout]  --> src/workers/events.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct PollingEvent {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Hub` is never constructed
[INFO] [stdout]   --> src/workers/events.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Hub {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `subscribe`, and `publish` are never used
[INFO] [stdout]   --> src/workers/events.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Hub {
[INFO] [stdout]    | -------- associated items in this implementation
[INFO] [stdout] 16 |     pub fn new(buffer: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn subscribe(&self) -> broadcast::Receiver<PollingEvent> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn publish(&self, event: PollingEvent) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Supervisor` is never constructed
[INFO] [stdout]   --> src/workers/supervisor.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Supervisor<W>
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/workers/supervisor.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | / impl<W> Supervisor<W>
[INFO] [stdout] 22 | | where
[INFO] [stdout] 23 | |     W: Worker,
[INFO] [stdout]    | |______________- associated items in this implementation
[INFO] [stdout] 24 |   {
[INFO] [stdout] 25 |       pub fn new() -> Self {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |       pub async fn send(&self, name: &str, msg: W::Message) {
[INFO] [stdout]    |                    ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |       pub async fn shutdown_all(&mut self) {
[INFO] [stdout]    |                    ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |       pub async fn wait_for_all(&mut self) {
[INFO] [stdout]    |                    ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |       pub async fn start_all(
[INFO] [stdout]    |                    ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 81 |       async fn build_worker(
[INFO] [stdout]    |                ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 95 |       fn insert_worker(&mut self, name: String, handle: WorkerHandle<W::Message>) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |       async fn monitor(supervisor: Arc<Mutex<Self>>, mut shutdown: watch::Receiver<()>) {
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `WorkerEnvelope` is never used
[INFO] [stdout]   --> src/workers/worker.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub enum WorkerEnvelope<M> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ControlMessage` is never used
[INFO] [stdout]   --> src/workers/worker.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub enum ControlMessage {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WorkerHandle` is never constructed
[INFO] [stdout]   --> src/workers/worker.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct WorkerHandle<Message> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Worker` is never used
[INFO] [stdout]   --> src/workers/worker.rs:29:11
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub trait Worker: Send + Sync + 'static {
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `PollingHandlerFn` is never used
[INFO] [stdout]  --> src/subscribers.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub type PollingHandlerFn<T> = Arc<dyn Fn(&str, &str, &T) + Send + Sync>;
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `PollingHandlerFutureFn` is never used
[INFO] [stdout]   --> src/subscribers.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub type PollingHandlerFutureFn<T> = Arc<dyn Fn(&str, &str, &T) -> BoxFuture<'static, ()> + Send + Sync>;
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PollingHandler` is never used
[INFO] [stdout]   --> src/subscribers.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub enum PollingHandler<T> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `async_handler` is never used
[INFO] [stdout]   --> src/subscribers.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn async_handler<T, F, Fut>(handler: F) -> PollingHandlerFutureFn<T>
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `spawn_generic_subscriber` is never used
[INFO] [stdout]   --> src/subscribers.rs:26:14
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub async fn spawn_generic_subscriber<T>(
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 50.60s
[INFO] running `Command { std: "docker" "inspect" "d2ddc98cafb742c96ea7aa86182cc8c6757d469dfe0d100bc6d6f27e7ed15469", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2ddc98cafb742c96ea7aa86182cc8c6757d469dfe0d100bc6d6f27e7ed15469", kill_on_drop: false }`
[INFO] [stdout] d2ddc98cafb742c96ea7aa86182cc8c6757d469dfe0d100bc6d6f27e7ed15469
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+36577a2b3cb42b8f23dec84e9203116bad6051e8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bdce4c476f3c101dd2cfa6b977d0bc15db39520cf0460d2fad135c52d14469bf
[INFO] running `Command { std: "docker" "start" "-a" "bdce4c476f3c101dd2cfa6b977d0bc15db39520cf0460d2fad135c52d14469bf", kill_on_drop: false }`
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/workers/worker.rs:95:32
[INFO] [stdout]    |
[INFO] [stdout] 95 | ...                   if let ControlMessage::Shutdown = ctrl_msg {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Supervisor` is never constructed
[INFO] [stdout]   --> src/workers/supervisor.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Supervisor<W>
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/workers/supervisor.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | / impl<W> Supervisor<W>
[INFO] [stdout] 22 | | where
[INFO] [stdout] 23 | |     W: Worker,
[INFO] [stdout]    | |______________- associated items in this implementation
[INFO] [stdout] 24 |   {
[INFO] [stdout] 25 |       pub fn new() -> Self {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |       pub async fn send(&self, name: &str, msg: W::Message) {
[INFO] [stdout]    |                    ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |       pub async fn shutdown_all(&mut self) {
[INFO] [stdout]    |                    ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |       pub async fn wait_for_all(&mut self) {
[INFO] [stdout]    |                    ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |       pub async fn start_all(
[INFO] [stdout]    |                    ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 81 |       async fn build_worker(
[INFO] [stdout]    |                ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 95 |       fn insert_worker(&mut self, name: String, handle: WorkerHandle<W::Message>) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |       async fn monitor(supervisor: Arc<Mutex<Self>>, mut shutdown: watch::Receiver<()>) {
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `WorkerEnvelope` is never used
[INFO] [stdout]   --> src/workers/worker.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub enum WorkerEnvelope<M> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ControlMessage` is never used
[INFO] [stdout]   --> src/workers/worker.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub enum ControlMessage {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WorkerHandle` is never constructed
[INFO] [stdout]   --> src/workers/worker.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct WorkerHandle<Message> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Worker` is never used
[INFO] [stdout]   --> src/workers/worker.rs:29:11
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub trait Worker: Send + Sync + 'static {
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling gen_poller v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/workers/worker.rs:95:32
[INFO] [stdout]    |
[INFO] [stdout] 95 | ...                   if let ControlMessage::Shutdown = ctrl_msg {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RepoConfig` is never constructed
[INFO] [stdout]  --> src/config.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct RepoConfig {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PartialRepoConfig` is never constructed
[INFO] [stdout]   --> src/config.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct PartialRepoConfig {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `load_repo_configs` is never used
[INFO] [stdout]   --> src/config.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn load_repo_configs(path: &str) -> Result<Vec<RepoConfig>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PollingEvent` is never constructed
[INFO] [stdout]  --> src/workers/events.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct PollingEvent {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Hub` is never constructed
[INFO] [stdout]   --> src/workers/events.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Hub {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `subscribe`, and `publish` are never used
[INFO] [stdout]   --> src/workers/events.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Hub {
[INFO] [stdout]    | -------- associated items in this implementation
[INFO] [stdout] 16 |     pub fn new(buffer: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn subscribe(&self) -> broadcast::Receiver<PollingEvent> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn publish(&self, event: PollingEvent) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Supervisor` is never constructed
[INFO] [stdout]   --> src/workers/supervisor.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Supervisor<W>
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/workers/supervisor.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | / impl<W> Supervisor<W>
[INFO] [stdout] 22 | | where
[INFO] [stdout] 23 | |     W: Worker,
[INFO] [stdout]    | |______________- associated items in this implementation
[INFO] [stdout] 24 |   {
[INFO] [stdout] 25 |       pub fn new() -> Self {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |       pub async fn send(&self, name: &str, msg: W::Message) {
[INFO] [stdout]    |                    ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |       pub async fn shutdown_all(&mut self) {
[INFO] [stdout]    |                    ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |       pub async fn wait_for_all(&mut self) {
[INFO] [stdout]    |                    ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |       pub async fn start_all(
[INFO] [stdout]    |                    ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 81 |       async fn build_worker(
[INFO] [stdout]    |                ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 95 |       fn insert_worker(&mut self, name: String, handle: WorkerHandle<W::Message>) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |       async fn monitor(supervisor: Arc<Mutex<Self>>, mut shutdown: watch::Receiver<()>) {
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `WorkerEnvelope` is never used
[INFO] [stdout]   --> src/workers/worker.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub enum WorkerEnvelope<M> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ControlMessage` is never used
[INFO] [stdout]   --> src/workers/worker.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub enum ControlMessage {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WorkerHandle` is never constructed
[INFO] [stdout]   --> src/workers/worker.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct WorkerHandle<Message> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Worker` is never used
[INFO] [stdout]   --> src/workers/worker.rs:29:11
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub trait Worker: Send + Sync + 'static {
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `PollingHandlerFn` is never used
[INFO] [stdout]  --> src/subscribers.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub type PollingHandlerFn<T> = Arc<dyn Fn(&str, &str, &T) + Send + Sync>;
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `PollingHandlerFutureFn` is never used
[INFO] [stdout]   --> src/subscribers.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub type PollingHandlerFutureFn<T> = Arc<dyn Fn(&str, &str, &T) -> BoxFuture<'static, ()> + Send + Sync>;
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PollingHandler` is never used
[INFO] [stdout]   --> src/subscribers.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub enum PollingHandler<T> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `async_handler` is never used
[INFO] [stdout]   --> src/subscribers.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn async_handler<T, F, Fut>(handler: F) -> PollingHandlerFutureFn<T>
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `spawn_generic_subscriber` is never used
[INFO] [stdout]   --> src/subscribers.rs:26:14
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub async fn spawn_generic_subscriber<T>(
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::broadcast`
[INFO] [stdout]  --> tests/subscribers.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use tokio::sync::broadcast;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/subscribers.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut rx = hub.subscribe();
[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]   --> tests/subscribers.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let mut rx = hub.subscribe();
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/workers/worker.rs:95:32
[INFO] [stdout]    |
[INFO] [stdout] 95 | ...                   if let ControlMessage::Shutdown = ctrl_msg {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/workers/worker.rs:95:32
[INFO] [stdout]    |
[INFO] [stdout] 95 | ...                   if let ControlMessage::Shutdown = ctrl_msg {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]    --> src/workers/worker.rs:158:50
[INFO] [stdout]     |
[INFO] [stdout] 158 |         async fn poll(&mut self, _hub: Arc<Hub>, config: &HashMap<String, serde_json::Value>) {
[INFO] [stdout]     |                                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]    --> src/workers/worker.rs:158:50
[INFO] [stdout]     |
[INFO] [stdout] 158 |         async fn poll(&mut self, _hub: Arc<Hub>, config: &HashMap<String, serde_json::Value>) {
[INFO] [stdout]     |                                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hub`
[INFO] [stdout]    --> src/workers/worker.rs:176:13
[INFO] [stdout]     |
[INFO] [stdout] 176 |         let hub = Arc::new(Hub::new(32));
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_hub`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hub`
[INFO] [stdout]    --> src/workers/worker.rs:176:13
[INFO] [stdout]     |
[INFO] [stdout] 176 |         let hub = Arc::new(Hub::new(32));
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_hub`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `WorkerState` is more private than the item `worker::tests::DummyWorker::state`
[INFO] [stdout]    --> src/workers/worker.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |         pub state: Arc<WorkerState>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ field `worker::tests::DummyWorker::state` is reachable at visibility `pub(in crate::workers::worker)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `WorkerState` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/workers/worker.rs:131:5
[INFO] [stdout]     |
[INFO] [stdout] 131 |     struct WorkerState {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `WorkerState` is more private than the item `worker::tests::DummyWorker::state`
[INFO] [stdout]    --> src/workers/worker.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |         pub state: Arc<WorkerState>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ field `worker::tests::DummyWorker::state` is reachable at visibility `pub(in crate::workers::worker)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `WorkerState` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/workers/worker.rs:131:5
[INFO] [stdout]     |
[INFO] [stdout] 131 |     struct WorkerState {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RepoConfig` is never constructed
[INFO] [stdout]  --> src/config.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct RepoConfig {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PartialRepoConfig` is never constructed
[INFO] [stdout]   --> src/config.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct PartialRepoConfig {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `load_repo_configs` is never used
[INFO] [stdout]   --> src/config.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn load_repo_configs(path: &str) -> Result<Vec<RepoConfig>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `shutdown_all` and `wait_for_all` are never used
[INFO] [stdout]   --> src/workers/supervisor.rs:39:18
[INFO] [stdout]    |
[INFO] [stdout] 21 | / impl<W> Supervisor<W>
[INFO] [stdout] 22 | | where
[INFO] [stdout] 23 | |     W: Worker,
[INFO] [stdout]    | |______________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 39 |       pub async fn shutdown_all(&mut self) {
[INFO] [stdout]    |                    ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |       pub async fn wait_for_all(&mut self) {
[INFO] [stdout]    |                    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `hub` are never read
[INFO] [stdout]    --> src/workers/supervisor.rs:153:13
[INFO] [stdout]     |
[INFO] [stdout] 152 |     pub struct DummyWorker {
[INFO] [stdout]     |                ----------- fields in this struct
[INFO] [stdout] 153 |         pub name: String,
[INFO] [stdout]     |             ^^^^
[INFO] [stdout] 154 |         pub hub: Arc<Hub>,
[INFO] [stdout]     |             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `DummyWorker` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `build_count` and `has_crashed` are never read
[INFO] [stdout]    --> src/workers/supervisor.rs:166:13
[INFO] [stdout]     |
[INFO] [stdout] 162 |     pub struct DummyWorkerState {
[INFO] [stdout]     |                ---------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 166 |         pub build_count: AtomicUsize,
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout] 167 |         pub has_crashed: AtomicBool,
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]    --> src/workers/worker.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub struct DummyWorker {
[INFO] [stdout]     |                ----------- field in this struct
[INFO] [stdout] 124 |         pub name: String,
[INFO] [stdout]     |             ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `PollingHandlerFn` is never used
[INFO] [stdout]  --> src/subscribers.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub type PollingHandlerFn<T> = Arc<dyn Fn(&str, &str, &T) + Send + Sync>;
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `PollingHandlerFutureFn` is never used
[INFO] [stdout]   --> src/subscribers.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub type PollingHandlerFutureFn<T> = Arc<dyn Fn(&str, &str, &T) -> BoxFuture<'static, ()> + Send + Sync>;
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PollingHandler` is never used
[INFO] [stdout]   --> src/subscribers.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub enum PollingHandler<T> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `async_handler` is never used
[INFO] [stdout]   --> src/subscribers.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn async_handler<T, F, Fut>(handler: F) -> PollingHandlerFutureFn<T>
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `spawn_generic_subscriber` is never used
[INFO] [stdout]   --> src/subscribers.rs:26:14
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub async fn spawn_generic_subscriber<T>(
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `shutdown_all` and `wait_for_all` are never used
[INFO] [stdout]   --> src/workers/supervisor.rs:39:18
[INFO] [stdout]    |
[INFO] [stdout] 21 | / impl<W> Supervisor<W>
[INFO] [stdout] 22 | | where
[INFO] [stdout] 23 | |     W: Worker,
[INFO] [stdout]    | |______________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 39 |       pub async fn shutdown_all(&mut self) {
[INFO] [stdout]    |                    ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |       pub async fn wait_for_all(&mut self) {
[INFO] [stdout]    |                    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `hub` are never read
[INFO] [stdout]    --> src/workers/supervisor.rs:153:13
[INFO] [stdout]     |
[INFO] [stdout] 152 |     pub struct DummyWorker {
[INFO] [stdout]     |                ----------- fields in this struct
[INFO] [stdout] 153 |         pub name: String,
[INFO] [stdout]     |             ^^^^
[INFO] [stdout] 154 |         pub hub: Arc<Hub>,
[INFO] [stdout]     |             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `DummyWorker` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `build_count` and `has_crashed` are never read
[INFO] [stdout]    --> src/workers/supervisor.rs:166:13
[INFO] [stdout]     |
[INFO] [stdout] 162 |     pub struct DummyWorkerState {
[INFO] [stdout]     |                ---------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 166 |         pub build_count: AtomicUsize,
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout] 167 |         pub has_crashed: AtomicBool,
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]    --> src/workers/worker.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub struct DummyWorker {
[INFO] [stdout]     |                ----------- field in this struct
[INFO] [stdout] 124 |         pub name: String,
[INFO] [stdout]     |             ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.58s
[INFO] running `Command { std: "docker" "inspect" "bdce4c476f3c101dd2cfa6b977d0bc15db39520cf0460d2fad135c52d14469bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdce4c476f3c101dd2cfa6b977d0bc15db39520cf0460d2fad135c52d14469bf", kill_on_drop: false }`
[INFO] [stdout] bdce4c476f3c101dd2cfa6b977d0bc15db39520cf0460d2fad135c52d14469bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+36577a2b3cb42b8f23dec84e9203116bad6051e8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3fae26752fa3beae293f63dcd315a31c2a10e5beb1bd78e9233b18147b5bc2da
[INFO] running `Command { std: "docker" "start" "-a" "3fae26752fa3beae293f63dcd315a31c2a10e5beb1bd78e9233b18147b5bc2da", kill_on_drop: false }`
[INFO] [stderr] warning: irrefutable `if let` pattern
[INFO] [stderr]   --> src/workers/worker.rs:95:32
[INFO] [stderr]    |
[INFO] [stderr] 95 | ...                   if let ControlMessage::Shutdown = ctrl_msg {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stderr]    = help: consider replacing the `if let` with a `let`
[INFO] [stderr]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Supervisor` is never constructed
[INFO] [stderr]   --> src/workers/supervisor.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub struct Supervisor<W>
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated items are never used
[INFO] [stderr]   --> src/workers/supervisor.rs:25:12
[INFO] [stderr]    |
[INFO] [stderr] 21 | / impl<W> Supervisor<W>
[INFO] [stderr] 22 | | where
[INFO] [stderr] 23 | |     W: Worker,
[INFO] [stderr]    | |______________- associated items in this implementation
[INFO] [stderr] 24 |   {
[INFO] [stderr] 25 |       pub fn new() -> Self {
[INFO] [stderr]    |              ^^^
[INFO] [stderr] ...
[INFO] [stderr] 33 |       pub async fn send(&self, name: &str, msg: W::Message) {
[INFO] [stderr]    |                    ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 39 |       pub async fn shutdown_all(&mut self) {
[INFO] [stderr]    |                    ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 49 |       pub async fn wait_for_all(&mut self) {
[INFO] [stderr]    |                    ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 56 |       pub async fn start_all(
[INFO] [stderr]    |                    ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 81 |       async fn build_worker(
[INFO] [stderr]    |                ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 95 |       fn insert_worker(&mut self, name: String, handle: WorkerHandle<W::Message>) {
[INFO] [stderr]    |          ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 99 |       async fn monitor(supervisor: Arc<Mutex<Self>>, mut shutdown: watch::Receiver<()>) {
[INFO] [stderr]    |                ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `WorkerEnvelope` is never used
[INFO] [stderr]   --> src/workers/worker.rs:12:10
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub enum WorkerEnvelope<M> {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `ControlMessage` is never used
[INFO] [stderr]   --> src/workers/worker.rs:18:10
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub enum ControlMessage {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `WorkerHandle` is never constructed
[INFO] [stderr]   --> src/workers/worker.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub struct WorkerHandle<Message> {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Worker` is never used
[INFO] [stderr]   --> src/workers/worker.rs:29:11
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub trait Worker: Send + Sync + 'static {
[INFO] [stderr]    |           ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `config`
[INFO] [stderr]    --> src/workers/worker.rs:158:50
[INFO] [stderr]     |
[INFO] [stderr] 158 |         async fn poll(&mut self, _hub: Arc<Hub>, config: &HashMap<String, serde_json::Value>) {
[INFO] [stderr]     |                                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hub`
[INFO] [stderr]    --> src/workers/worker.rs:176:13
[INFO] [stderr]     |
[INFO] [stderr] 176 |         let hub = Arc::new(Hub::new(32));
[INFO] [stderr]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_hub`
[INFO] [stderr] 
[INFO] [stderr] warning: type `WorkerState` is more private than the item `worker::tests::DummyWorker::state`
[INFO] [stderr]    --> src/workers/worker.rs:126:9
[INFO] [stderr]     |
[INFO] [stderr] 126 |         pub state: Arc<WorkerState>,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ field `worker::tests::DummyWorker::state` is reachable at visibility `pub(in crate::workers::worker)`
[INFO] [stderr]     |
[INFO] [stderr] note: but type `WorkerState` is only usable at visibility `pub(self)`
[INFO] [stderr]    --> src/workers/worker.rs:131:5
[INFO] [stderr]     |
[INFO] [stderr] 131 |     struct WorkerState {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `shutdown_all` and `wait_for_all` are never used
[INFO] [stderr]   --> src/workers/supervisor.rs:39:18
[INFO] [stderr]    |
[INFO] [stderr] 21 | / impl<W> Supervisor<W>
[INFO] [stderr] 22 | | where
[INFO] [stderr] 23 | |     W: Worker,
[INFO] [stderr]    | |______________- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 39 |       pub async fn shutdown_all(&mut self) {
[INFO] [stderr]    |                    ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 49 |       pub async fn wait_for_all(&mut self) {
[INFO] [stderr]    |                    ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `name` and `hub` are never read
[INFO] [stderr]    --> src/workers/supervisor.rs:153:13
[INFO] [stderr]     |
[INFO] [stderr] 152 |     pub struct DummyWorker {
[INFO] [stderr]     |                ----------- fields in this struct
[INFO] [stderr] 153 |         pub name: String,
[INFO] [stderr]     |             ^^^^
[INFO] [stderr] 154 |         pub hub: Arc<Hub>,
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `DummyWorker` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `build_count` and `has_crashed` are never read
[INFO] [stderr]    --> src/workers/supervisor.rs:166:13
[INFO] [stderr]     |
[INFO] [stderr] 162 |     pub struct DummyWorkerState {
[INFO] [stderr]     |                ---------------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 166 |         pub build_count: AtomicUsize,
[INFO] [stderr]     |             ^^^^^^^^^^^
[INFO] [stderr] 167 |         pub has_crashed: AtomicBool,
[INFO] [stderr]     |             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `name` is never read
[INFO] [stderr]    --> src/workers/worker.rs:124:13
[INFO] [stderr]     |
[INFO] [stderr] 123 |     pub struct DummyWorker {
[INFO] [stderr]     |                ----------- field in this struct
[INFO] [stderr] 124 |         pub name: String,
[INFO] [stderr]     |             ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `gen_poller` (lib) generated 7 warnings
[INFO] [stderr] warning: `gen_poller` (lib test) generated 8 warnings (1 duplicate) (run `cargo fix --lib -p gen_poller --tests` to apply 2 suggestions)
[INFO] [stderr] warning: struct `RepoConfig` is never constructed
[INFO] [stderr]  --> src/config.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct RepoConfig {
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `PartialRepoConfig` is never constructed
[INFO] [stderr]   --> src/config.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub struct PartialRepoConfig {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `load_repo_configs` is never used
[INFO] [stderr]   --> src/config.rs:29:8
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub fn load_repo_configs(path: &str) -> Result<Vec<RepoConfig>> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `shutdown_all` and `wait_for_all` are never used
[INFO] [stderr]   --> src/workers/supervisor.rs:39:18
[INFO] [stderr]    |
[INFO] [stderr] 21 | / impl<W> Supervisor<W>
[INFO] [stderr] 22 | | where
[INFO] [stderr] 23 | |     W: Worker,
[INFO] [stderr]    | |______________- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 39 |       pub async fn shutdown_all(&mut self) {
[INFO] [stderr]    |                    ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 49 |       pub async fn wait_for_all(&mut self) {
[INFO] [stderr]    |                    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `PollingHandlerFn` is never used
[INFO] [stderr]  --> src/subscribers.rs:9:10
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub type PollingHandlerFn<T> = Arc<dyn Fn(&str, &str, &T) + Send + Sync>;
[INFO] [stderr]   |          ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `PollingHandlerFutureFn` is never used
[INFO] [stderr]   --> src/subscribers.rs:10:10
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub type PollingHandlerFutureFn<T> = Arc<dyn Fn(&str, &str, &T) -> BoxFuture<'static, ()> + Send + Sync>;
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `PollingHandler` is never used
[INFO] [stderr]   --> src/subscribers.rs:12:10
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub enum PollingHandler<T> {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `async_handler` is never used
[INFO] [stderr]   --> src/subscribers.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub fn async_handler<T, F, Fut>(handler: F) -> PollingHandlerFutureFn<T>
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `spawn_generic_subscriber` is never used
[INFO] [stderr]   --> src/subscribers.rs:26:14
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub async fn spawn_generic_subscriber<T>(
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `PollingEvent` is never constructed
[INFO] [stderr]  --> src/workers/events.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct PollingEvent {
[INFO] [stderr]   |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Hub` is never constructed
[INFO] [stderr]   --> src/workers/events.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub struct Hub {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `subscribe`, and `publish` are never used
[INFO] [stderr]   --> src/workers/events.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 15 | impl Hub {
[INFO] [stderr]    | -------- associated items in this implementation
[INFO] [stderr] 16 |     pub fn new(buffer: usize) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 21 |     pub fn subscribe(&self) -> broadcast::Receiver<PollingEvent> {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 25 |     pub fn publish(&self, event: PollingEvent) {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Supervisor` is never constructed
[INFO] [stderr]   --> src/workers/supervisor.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub struct Supervisor<W>
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio::sync::broadcast`
[INFO] [stderr]  --> tests/subscribers.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use tokio::sync::broadcast;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/subscribers.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let mut rx = hub.subscribe();
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/subscribers.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let mut rx = hub.subscribe();
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `gen_poller` (bin "gen_poller" test) generated 16 warnings (7 duplicates)
[INFO] [stderr] warning: `gen_poller` (bin "gen_poller") generated 18 warnings (14 duplicates)
[INFO] [stderr] warning: `gen_poller` (test "subscribers") generated 3 warnings (run `cargo fix --test "subscribers" -p gen_poller` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/gen_poller-33f78acc98fb0f9e)
[INFO] [stdout] running 9 tests
[INFO] [stdout] test workers::events::tests::test_publish_and_subscribe ... ok
[INFO] [stdout] test workers::worker::tests::test_worker_multiple_shutdowns ... ok
[INFO] [stdout] test workers::worker::tests::test_worker_handles_no_messages ... ok
[INFO] [stdout] test workers::events::tests::test_multiple_subscribers_receive_event ... ok
[INFO] [stdout] test workers::worker::tests::test_worker_handles_custom_messages ... ok
[INFO] [stdout] test workers::worker::tests::test_worker_shutdown_only ... ok
[INFO] [stdout] test workers::supervisor::tests::test_supervisor_starts_worker_and_sends_message ... ok
[INFO] [stdout] test workers::worker::tests::test_worker_poll_triggered ... ok
[INFO] [stderr] malloc_consolidate(): unaligned fastbin chunk detected
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/gen_poller-33f78acc98fb0f9e` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "3fae26752fa3beae293f63dcd315a31c2a10e5beb1bd78e9233b18147b5bc2da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fae26752fa3beae293f63dcd315a31c2a10e5beb1bd78e9233b18147b5bc2da", kill_on_drop: false }`
[INFO] [stdout] 3fae26752fa3beae293f63dcd315a31c2a10e5beb1bd78e9233b18147b5bc2da
