[INFO] cloning repository https://github.com/raja-dettex/minimal-runtime
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/raja-dettex/minimal-runtime" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraja-dettex%2Fminimal-runtime", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraja-dettex%2Fminimal-runtime'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a8d46656bda0cba20768d0e37328f48f4b6dd228
[INFO] checking raja-dettex/minimal-runtime against try#18c1d185ac7a6a3bf399296b35e4b2736809a756 for pr-146972
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraja-dettex%2Fminimal-runtime" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/raja-dettex/minimal-runtime
[INFO] finished tweaking git repo https://github.com/raja-dettex/minimal-runtime
[INFO] tweaked toml for git repo https://github.com/raja-dettex/minimal-runtime written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/raja-dettex/minimal-runtime on toolchain 18c1d185ac7a6a3bf399296b35e4b2736809a756
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/raja-dettex/minimal-runtime 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" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking raja-dettex/minimal-runtime against try#18c1d185ac7a6a3bf399296b35e4b2736809a756 for pr-146972
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraja-dettex%2Fminimal-runtime" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/raja-dettex/minimal-runtime
[INFO] finished tweaking git repo https://github.com/raja-dettex/minimal-runtime
[INFO] tweaked toml for git repo https://github.com/raja-dettex/minimal-runtime written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/raja-dettex/minimal-runtime on toolchain 18c1d185ac7a6a3bf399296b35e4b2736809a756
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/raja-dettex/minimal-runtime 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" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5cfc3aafd2621bf0397bf07ad54ad19fb151cb74a4da222f7636f3f9576d73c
[INFO] running `Command { std: "docker" "start" "-a" "a5cfc3aafd2621bf0397bf07ad54ad19fb151cb74a4da222f7636f3f9576d73c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5cfc3aafd2621bf0397bf07ad54ad19fb151cb74a4da222f7636f3f9576d73c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5cfc3aafd2621bf0397bf07ad54ad19fb151cb74a4da222f7636f3f9576d73c", kill_on_drop: false }`
[INFO] [stdout] a5cfc3aafd2621bf0397bf07ad54ad19fb151cb74a4da222f7636f3f9576d73c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 354f5d72b9bf96164aef0c8a48b46b1c7c153f859e0f1c18ed4b39008adeeddf
[INFO] running `Command { std: "docker" "start" "-a" "354f5d72b9bf96164aef0c8a48b46b1c7c153f859e0f1c18ed4b39008adeeddf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]     Checking minimal-runtime v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `epoll_ctl` and `epoll_event`
[INFO] [stdout]  --> src/reactor.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use libc::{epoll_ctl, epoll_event, epoll_wait};
[INFO] [stdout]   |            ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/executor.rs:3:53
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{reactor::{Event, Reactor}, task_queue::{self, Task, TaskQueue}, waker::TaskWaker};
[INFO] [stdout]   |                                                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mpsc`
[INFO] [stdout]  --> src/async_runtime_test.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::{mpsc, Arc, Mutex};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/main.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub mod async_runtime_test;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> src/async_runtime_test.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/main.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub mod async_runtime_test;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::Iterator`
[INFO] [stdout]  --> src/async_runtime_test.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/main.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub mod async_runtime_test;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/async_runtime_test.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::executor::{self, Executor};
[INFO] [stdout]    |                       ^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/main.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub mod async_runtime_test;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/reactor.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let mut reactor = Self {
[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[E0133]: call to unsafe function `std::rc::Rc::<T>::from_raw` is unsafe and requires unsafe block
[INFO] [stdout]   --> src/waker.rs:19:49
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let waker = std::mem::ManuallyDrop::new(Rc::from_raw(ptr as *const TaskWaker));
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]   --> src/waker.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     unsafe fn clone(ptr: *const ()) -> RawWaker {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unsafe_op_in_unsafe_fn)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0133]: call to unsafe function `std::rc::Rc::<T>::from_raw` is unsafe and requires unsafe block
[INFO] [stdout]   --> src/waker.rs:27:21
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let waker = Rc::from_raw(ptr as *const TaskWaker);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]   --> src/waker.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     unsafe fn wake(ptr: *const ()) {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0133]: call to unsafe function `std::rc::Rc::<T>::from_raw` is unsafe and requires unsafe block
[INFO] [stdout]   --> src/waker.rs:32:21
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let waker = Rc::from_raw(ptr as *const TaskWaker);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]   --> src/waker.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     unsafe fn wake_by_ref(ptr : *const ()) {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0133]: call to unsafe function `std::rc::Rc::<T>::from_raw` is unsafe and requires unsafe block
[INFO] [stdout]   --> src/waker.rs:37:14
[INFO] [stdout]    |
[INFO] [stdout] 37 |         drop(Rc::from_raw(ptr as *const TaskWaker));
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]   --> src/waker.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     unsafe fn drop(ptr: *const ()) {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/async_runtime_test.rs:138:10
[INFO] [stdout]     |
[INFO] [stdout] 138 |     let (mut reader, mut writer) = UnixStream::pair()?;
[INFO] [stdout]     |          ----^^^^^^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `waker` is never read
[INFO] [stdout]   --> src/async_runtime_test.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub struct TimerTask { 
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 48 |     waker: Arc<Mutex<Option<Waker>>>
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/waker.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         waker.sender.send(Rc::clone(&waker.task));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let _ = waker.sender.send(Rc::clone(&waker.task));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/waker.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         waker.sender.send(Rc::clone(&waker.task));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let _ = waker.sender.send(Rc::clone(&waker.task));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0133`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `epoll_ctl` and `epoll_event`
[INFO] [stdout]  --> src/reactor.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use libc::{epoll_ctl, epoll_event, epoll_wait};
[INFO] [stdout]   |            ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/executor.rs:3:53
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{reactor::{Event, Reactor}, task_queue::{self, Task, TaskQueue}, waker::TaskWaker};
[INFO] [stdout]   |                                                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/async_runtime_test.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::executor::{self, Executor};
[INFO] [stdout]    |                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.74s
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/reactor.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let mut reactor = Self {
[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[E0133]: call to unsafe function `std::rc::Rc::<T>::from_raw` is unsafe and requires unsafe block
[INFO] [stdout]   --> src/waker.rs:19:49
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let waker = std::mem::ManuallyDrop::new(Rc::from_raw(ptr as *const TaskWaker));
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]   --> src/waker.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     unsafe fn clone(ptr: *const ()) -> RawWaker {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unsafe_op_in_unsafe_fn)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0133]: call to unsafe function `std::rc::Rc::<T>::from_raw` is unsafe and requires unsafe block
[INFO] [stdout]   --> src/waker.rs:27:21
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let waker = Rc::from_raw(ptr as *const TaskWaker);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]   --> src/waker.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     unsafe fn wake(ptr: *const ()) {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0133]: call to unsafe function `std::rc::Rc::<T>::from_raw` is unsafe and requires unsafe block
[INFO] [stdout]   --> src/waker.rs:32:21
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let waker = Rc::from_raw(ptr as *const TaskWaker);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]   --> src/waker.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     unsafe fn wake_by_ref(ptr : *const ()) {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0133]: call to unsafe function `std::rc::Rc::<T>::from_raw` is unsafe and requires unsafe block
[INFO] [stdout]   --> src/waker.rs:37:14
[INFO] [stdout]    |
[INFO] [stdout] 37 |         drop(Rc::from_raw(ptr as *const TaskWaker));
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]   --> src/waker.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     unsafe fn drop(ptr: *const ()) {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/async_runtime_test.rs:138:10
[INFO] [stdout]     |
[INFO] [stdout] 138 |     let (mut reader, mut writer) = UnixStream::pair()?;
[INFO] [stdout]     |          ----^^^^^^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rx`
[INFO] [stdout]    --> src/async_runtime_test.rs:174:14
[INFO] [stdout]     |
[INFO] [stdout] 174 |     let (tx, rx) : (mpsc::Sender<Box<dyn FnOnce(&mut Executor) + Send>>, mpsc::Receiver<_>) = mpsc::channel();
[INFO] [stdout]     |              ^^ help: if this is intentional, prefix it with an underscore: `_rx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `waker` is never read
[INFO] [stdout]   --> src/async_runtime_test.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub struct TimerTask { 
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 48 |     waker: Arc<Mutex<Option<Waker>>>
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/waker.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         waker.sender.send(Rc::clone(&waker.task));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let _ = waker.sender.send(Rc::clone(&waker.task));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/waker.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         waker.sender.send(Rc::clone(&waker.task));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let _ = waker.sender.send(Rc::clone(&waker.task));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0133`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "354f5d72b9bf96164aef0c8a48b46b1c7c153f859e0f1c18ed4b39008adeeddf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "354f5d72b9bf96164aef0c8a48b46b1c7c153f859e0f1c18ed4b39008adeeddf", kill_on_drop: false }`
[INFO] [stdout] 354f5d72b9bf96164aef0c8a48b46b1c7c153f859e0f1c18ed4b39008adeeddf
