[INFO] cloning repository https://github.com/MilanR312/async_executor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MilanR312/async_executor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMilanR312%2Fasync_executor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMilanR312%2Fasync_executor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dfd1692257f83fe0238178810556595c4097e47b
[INFO] building MilanR312/async_executor against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMilanR312%2Fasync_executor" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MilanR312/async_executor on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MilanR312/async_executor
[INFO] finished tweaking git repo https://github.com/MilanR312/async_executor
[INFO] tweaked toml for git repo https://github.com/MilanR312/async_executor written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/MilanR312/async_executor 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 498004537a9ab9e29072181e4546302d80fa3c1d8e2fa8479313c2b42c122f32
[INFO] running `Command { std: "docker" "start" "-a" "498004537a9ab9e29072181e4546302d80fa3c1d8e2fa8479313c2b42c122f32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "498004537a9ab9e29072181e4546302d80fa3c1d8e2fa8479313c2b42c122f32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "498004537a9ab9e29072181e4546302d80fa3c1d8e2fa8479313c2b42c122f32", kill_on_drop: false }`
[INFO] [stdout] 498004537a9ab9e29072181e4546302d80fa3c1d8e2fa8479313c2b42c122f32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f748f607f189d9947504668b64d01e1ddee2b2acb0fa3e56ca1c3c7317d44e51
[INFO] running `Command { std: "docker" "start" "-a" "f748f607f189d9947504668b64d01e1ddee2b2acb0fa3e56ca1c3c7317d44e51", kill_on_drop: false }`
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling async_executor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `future::Future` and `task::Poll`
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | use core::{future::Future, task::Poll};
[INFO] [stdout]   |            ^^^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `executor::Executor`
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use executor::Executor;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LocalWaker`
[INFO] [stdout]  --> src/executor.rs:1:51
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::{future::Future, task::{ContextBuilder, LocalWaker, Poll, Waker}};
[INFO] [stdout]   |                                                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `waker`
[INFO] [stdout]  --> src/executor.rs:5:58
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::{mpsc::Channel, task::{Task, TaskId}, waker::{waker, TaskWaker}};
[INFO] [stdout]   |                                                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `marker::PhantomData`
[INFO] [stdout]  --> src/mpsc.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::{marker::PhantomData, ptr::NonNull, cell::RefCell};
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pin`
[INFO] [stdout]  --> src/task.rs:1:46
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::{fmt::Debug, future::Future, pin::{pin, Pin}, sync::atomic::AtomicU64, task::{Context, Poll}};
[INFO] [stdout]   |                                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Task`
[INFO] [stdout]  --> src/waker.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     task::{Task, TaskId},
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `noop_waker` has been stable since 1.85.0-nightly and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(noop_waker)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/executor.rs:56:29
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 Poll::Ready(x) => {
[INFO] [stdout]    |                             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `waker`
[INFO] [stdout]   --> src/waker.rs:35:42
[INFO] [stdout]    |
[INFO] [stdout] 35 |     unsafe fn drop_waker<const N: usize>(waker: *const ()) {
[INFO] [stdout]    |                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_waker`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `wake_task` is never used
[INFO] [stdout]   --> src/waker.rs:59:19
[INFO] [stdout]    |
[INFO] [stdout] 54 | impl<const N: usize> TaskWaker<N> {
[INFO] [stdout]    | --------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub(crate) fn wake_task(&self) {
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/waker.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         waker.scheduler.send(waker.task_id);
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let _ = waker.scheduler.send(waker.task_id);
[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.scheduler.send(waker.task_id);
[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.scheduler.send(waker.task_id);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "f748f607f189d9947504668b64d01e1ddee2b2acb0fa3e56ca1c3c7317d44e51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f748f607f189d9947504668b64d01e1ddee2b2acb0fa3e56ca1c3c7317d44e51", kill_on_drop: false }`
[INFO] [stdout] f748f607f189d9947504668b64d01e1ddee2b2acb0fa3e56ca1c3c7317d44e51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09d9b5c48fed74c3f77b10010614d9482b21d5e1c42b3d93757a874bad3f02c2
[INFO] running `Command { std: "docker" "start" "-a" "09d9b5c48fed74c3f77b10010614d9482b21d5e1c42b3d93757a874bad3f02c2", kill_on_drop: false }`
[INFO] [stdout] warning: unused imports: `future::Future` and `task::Poll`
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | use core::{future::Future, task::Poll};
[INFO] [stdout]   |            ^^^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `executor::Executor`
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use executor::Executor;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LocalWaker`
[INFO] [stdout]  --> src/executor.rs:1:51
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::{future::Future, task::{ContextBuilder, LocalWaker, Poll, Waker}};
[INFO] [stdout]   |                                                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `waker`
[INFO] [stdout]  --> src/executor.rs:5:58
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::{mpsc::Channel, task::{Task, TaskId}, waker::{waker, TaskWaker}};
[INFO] [stdout]   |                                                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `marker::PhantomData`
[INFO] [stdout]  --> src/mpsc.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::{marker::PhantomData, ptr::NonNull, cell::RefCell};
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pin`
[INFO] [stdout]  --> src/task.rs:1:46
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::{fmt::Debug, future::Future, pin::{pin, Pin}, sync::atomic::AtomicU64, task::{Context, Poll}};
[INFO] [stdout]   |                                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Task`
[INFO] [stdout]  --> src/waker.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     task::{Task, TaskId},
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `noop_waker` has been stable since 1.85.0-nightly and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(noop_waker)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/executor.rs:56:29
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 Poll::Ready(x) => {
[INFO] [stdout]    |                             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `waker`
[INFO] [stdout]   --> src/waker.rs:35:42
[INFO] [stdout]    |
[INFO] [stdout] 35 |     unsafe fn drop_waker<const N: usize>(waker: *const ()) {
[INFO] [stdout]    |                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_waker`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `wake_task` is never used
[INFO] [stdout]   --> src/waker.rs:59:19
[INFO] [stdout]    |
[INFO] [stdout] 54 | impl<const N: usize> TaskWaker<N> {
[INFO] [stdout]    | --------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub(crate) fn wake_task(&self) {
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/waker.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         waker.scheduler.send(waker.task_id);
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let _ = waker.scheduler.send(waker.task_id);
[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.scheduler.send(waker.task_id);
[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.scheduler.send(waker.task_id);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling async_executor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `future::Future` and `task::Poll`
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | use core::{future::Future, task::Poll};
[INFO] [stdout]   |            ^^^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `executor::Executor`
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use executor::Executor;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LocalWaker`
[INFO] [stdout]  --> src/executor.rs:1:51
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::{future::Future, task::{ContextBuilder, LocalWaker, Poll, Waker}};
[INFO] [stdout]   |                                                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `waker`
[INFO] [stdout]  --> src/executor.rs:5:58
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::{mpsc::Channel, task::{Task, TaskId}, waker::{waker, TaskWaker}};
[INFO] [stdout]   |                                                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `marker::PhantomData`
[INFO] [stdout]  --> src/mpsc.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::{marker::PhantomData, ptr::NonNull, cell::RefCell};
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pin`
[INFO] [stdout]  --> src/task.rs:1:46
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::{fmt::Debug, future::Future, pin::{pin, Pin}, sync::atomic::AtomicU64, task::{Context, Poll}};
[INFO] [stdout]   |                                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Task`
[INFO] [stdout]  --> src/waker.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     task::{Task, TaskId},
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `noop_waker` has been stable since 1.85.0-nightly and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(noop_waker)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> tests/sleep.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     for i in 0..5 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/executor.rs:56:29
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 Poll::Ready(x) => {
[INFO] [stdout]    |                             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `waker`
[INFO] [stdout]   --> src/waker.rs:35:42
[INFO] [stdout]    |
[INFO] [stdout] 35 |     unsafe fn drop_waker<const N: usize>(waker: *const ()) {
[INFO] [stdout]    |                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_waker`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `wake_task` is never used
[INFO] [stdout]   --> src/waker.rs:59:19
[INFO] [stdout]    |
[INFO] [stdout] 54 | impl<const N: usize> TaskWaker<N> {
[INFO] [stdout]    | --------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub(crate) fn wake_task(&self) {
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/waker.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         waker.scheduler.send(waker.task_id);
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let _ = waker.scheduler.send(waker.task_id);
[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.scheduler.send(waker.task_id);
[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.scheduler.send(waker.task_id);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "09d9b5c48fed74c3f77b10010614d9482b21d5e1c42b3d93757a874bad3f02c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09d9b5c48fed74c3f77b10010614d9482b21d5e1c42b3d93757a874bad3f02c2", kill_on_drop: false }`
[INFO] [stdout] 09d9b5c48fed74c3f77b10010614d9482b21d5e1c42b3d93757a874bad3f02c2