[INFO] cloning repository https://github.com/zhiyuHD/rusium-async
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zhiyuHD/rusium-async" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FzhiyuHD%2Frusium-async", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FzhiyuHD%2Frusium-async'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f2bd636d0efdd324c4a10332f90da663cafb9375
[INFO] checking zhiyuHD/rusium-async against 5c543b0b8c73c7b72bc8284ced4fb22ead15734d for pr-160186
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FzhiyuHD%2Frusium-async" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/zhiyuHD/rusium-async
[INFO] finished tweaking git repo https://github.com/zhiyuHD/rusium-async
[INFO] tweaked toml for git repo https://github.com/zhiyuHD/rusium-async written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zhiyuHD/rusium-async on toolchain 5c543b0b8c73c7b72bc8284ced4fb22ead15734d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/zhiyuHD/rusium-async 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" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pyo3-ffi v0.29.0
[INFO] [stderr]   Downloaded pyo3-macros v0.29.0
[INFO] [stderr]   Downloaded crossbeam v0.8.4
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.29.0
[INFO] [stderr]   Downloaded pyo3-build-config v0.29.0
[INFO] [stderr]   Downloaded pyo3 v0.29.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] c430db0b5483db44e5e69902d5b25af546bb32698fcdbae265296d82f28584e2
[INFO] running `Command { std: "docker" "start" "c430db0b5483db44e5e69902d5b25af546bb32698fcdbae265296d82f28584e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c430db0b5483db44e5e69902d5b25af546bb32698fcdbae265296d82f28584e2", 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" "c430db0b5483db44e5e69902d5b25af546bb32698fcdbae265296d82f28584e2" "/opt/rustwide/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c430db0b5483db44e5e69902d5b25af546bb32698fcdbae265296d82f28584e2", 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" "c430db0b5483db44e5e69902d5b25af546bb32698fcdbae265296d82f28584e2" "/opt/rustwide/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.13.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.46
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-queue v0.3.12
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
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[INFO] [stderr]    Compiling pyo3-build-config v0.29.0
[INFO] [stderr]    Compiling syn v2.0.118
[INFO] [stderr]    Compiling pyo3-ffi v0.29.0
[INFO] [stderr]    Compiling pyo3 v0.29.0
[INFO] [stderr]    Compiling pyo3-macros-backend v0.29.0
[INFO] [stderr]    Compiling pyo3-macros v0.29.0
[INFO] [stderr]     Checking rusium-async v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `err_str`
[INFO] [stdout]   --> src/python/run.rs:60:29
[INFO] [stdout]    |
[INFO] [stdout] 60 |                         let err_str: String = Python::try_attach(|py2| {
[INFO] [stdout]    |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_err_str`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `task_id`
[INFO] [stdout]   --> src/python/run.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let task_id = runtime::with_runtime(|rt| rt.current_task_id);
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_task_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `task_id`
[INFO] [stdout]   --> src/python/sleep.rs:50:21
[INFO] [stdout]    |
[INFO] [stdout] 50 |                 let task_id = rt.current_task_id;
[INFO] [stdout]    |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_task_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `remaining`
[INFO] [stdout]   --> src/python/sleep.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |         let remaining = (self.deadline - now).as_secs_f64();
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remaining`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err_str`
[INFO] [stdout]   --> src/python/run.rs:60:29
[INFO] [stdout]    |
[INFO] [stdout] 60 |                         let err_str: String = Python::try_attach(|py2| {
[INFO] [stdout]    |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_err_str`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `task_id`
[INFO] [stdout]   --> src/python/run.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let task_id = runtime::with_runtime(|rt| rt.current_task_id);
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_task_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `task_id`
[INFO] [stdout]   --> src/python/sleep.rs:50:21
[INFO] [stdout]    |
[INFO] [stdout] 50 |                 let task_id = rt.current_task_id;
[INFO] [stdout]    |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_task_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `remaining`
[INFO] [stdout]   --> src/python/sleep.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |         let remaining = (self.deadline - now).as_secs_f64();
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remaining`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/python/loop_full.rs:260:17
[INFO] [stdout]     |
[INFO] [stdout] 260 |             let mut guard = inner.lock().unwrap();
[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: methods `is_empty` and `len` are never used
[INFO] [stdout]   --> src/runtime/timer.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl TimerWheel {
[INFO] [stdout]    | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 72 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `loop_time` is never used
[INFO] [stdout]    --> src/runtime/loop_.rs:172:12
[INFO] [stdout]     |
[INFO] [stdout]  73 | impl SharedCore {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 172 |     pub fn loop_time(&self) -> f64 {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fd` is never read
[INFO] [stdout]  --> src/io/mod.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct TcpStream {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 7 |     pub(crate) fd: OwnedFd,
[INFO] [stdout]   |                ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_parts` is never used
[INFO] [stdout]    --> src/python/tcp.rs:288:8
[INFO] [stdout]     |
[INFO] [stdout] 287 | impl AcceptAwaitable {
[INFO] [stdout]     | -------------------- associated function in this implementation
[INFO] [stdout] 288 |     fn from_parts(rx: SharedRx<(Vec<u8>, String)>) -> Self {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `rx` and `done` are never read
[INFO] [stdout]    --> src/python/tcp.rs:302:5
[INFO] [stdout]     |
[INFO] [stdout] 301 | struct AcceptIter {
[INFO] [stdout]     |        ---------- fields in this struct
[INFO] [stdout] 302 |     rx: SharedRx<(Vec<u8>, String)>,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 303 |     done: bool,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `shutdown` is never read
[INFO] [stdout]    --> src/python/tcp.rs:330:5
[INFO] [stdout]     |
[INFO] [stdout] 328 | pub struct PyTcpListener {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] 329 |     addr: String,
[INFO] [stdout] 330 |     shutdown: Arc<Mutex<Sender<()>>>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `thread_pool` is never read
[INFO] [stdout]   --> src/python/loop_full.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub struct PyEventLoop {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 91 |     thread_pool: Arc<Mutex<Option<Arc<TaskScheduler>>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/python/loop_full.rs:260:17
[INFO] [stdout]     |
[INFO] [stdout] 260 |             let mut guard = inner.lock().unwrap();
[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: methods `is_empty` and `len` are never used
[INFO] [stdout]   --> src/runtime/timer.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl TimerWheel {
[INFO] [stdout]    | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 72 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `loop_time` is never used
[INFO] [stdout]    --> src/runtime/loop_.rs:172:12
[INFO] [stdout]     |
[INFO] [stdout]  73 | impl SharedCore {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 172 |     pub fn loop_time(&self) -> f64 {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fd` is never read
[INFO] [stdout]  --> src/io/mod.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct TcpStream {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 7 |     pub(crate) fd: OwnedFd,
[INFO] [stdout]   |                ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_parts` is never used
[INFO] [stdout]    --> src/python/tcp.rs:288:8
[INFO] [stdout]     |
[INFO] [stdout] 287 | impl AcceptAwaitable {
[INFO] [stdout]     | -------------------- associated function in this implementation
[INFO] [stdout] 288 |     fn from_parts(rx: SharedRx<(Vec<u8>, String)>) -> Self {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `rx` and `done` are never read
[INFO] [stdout]    --> src/python/tcp.rs:302:5
[INFO] [stdout]     |
[INFO] [stdout] 301 | struct AcceptIter {
[INFO] [stdout]     |        ---------- fields in this struct
[INFO] [stdout] 302 |     rx: SharedRx<(Vec<u8>, String)>,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 303 |     done: bool,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `shutdown` is never read
[INFO] [stdout]    --> src/python/tcp.rs:330:5
[INFO] [stdout]     |
[INFO] [stdout] 328 | pub struct PyTcpListener {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] 329 |     addr: String,
[INFO] [stdout] 330 |     shutdown: Arc<Mutex<Sender<()>>>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `thread_pool` is never read
[INFO] [stdout]   --> src/python/loop_full.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub struct PyEventLoop {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 91 |     thread_pool: Arc<Mutex<Option<Arc<TaskScheduler>>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `crossbeam`
[INFO] [stderr]  --> Cargo.toml:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | crossbeam = "0.8"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `crossbeam`
[INFO] [stderr] warning: `rusium-async` (manifest) generated 1 warning
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.06s
[INFO] running `Command { std: "docker" "inspect" "c430db0b5483db44e5e69902d5b25af546bb32698fcdbae265296d82f28584e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c430db0b5483db44e5e69902d5b25af546bb32698fcdbae265296d82f28584e2", kill_on_drop: false }`
[INFO] [stdout] c430db0b5483db44e5e69902d5b25af546bb32698fcdbae265296d82f28584e2
