[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] checking MilanR312/async_executor against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMilanR312%2Fasync_executor" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[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-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MilanR312/async_executor on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6490c7756115a3155ea4017cf400dd5a7886b8655abc3bc921ed131a0c8dcc1a
[INFO] running `Command { std: "docker" "start" "-a" "6490c7756115a3155ea4017cf400dd5a7886b8655abc3bc921ed131a0c8dcc1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6490c7756115a3155ea4017cf400dd5a7886b8655abc3bc921ed131a0c8dcc1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6490c7756115a3155ea4017cf400dd5a7886b8655abc3bc921ed131a0c8dcc1a", kill_on_drop: false }`
[INFO] [stdout] 6490c7756115a3155ea4017cf400dd5a7886b8655abc3bc921ed131a0c8dcc1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6a31021ddcbca4694006925ff0c580ac3156fa460660096d394ecb1b7e9ed4c
[INFO] running `Command { std: "docker" "start" "-a" "b6a31021ddcbca4694006925ff0c580ac3156fa460660096d394ecb1b7e9ed4c", kill_on_drop: false }`
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking heapless v0.8.0
[INFO] [stderr]     Checking async_executor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(local_waker)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` (part of `#[warn(unused)]`) 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 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] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(local_waker)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` (part of `#[warn(unused)]`) 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: 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `noop_waker` has been stable since 1.85.0 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: `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] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `async_executor` (lib test) due to 1 previous error; 10 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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)]` (part of `#[warn(unused)]`) 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] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `async_executor` (lib) due to 1 previous error; 10 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "b6a31021ddcbca4694006925ff0c580ac3156fa460660096d394ecb1b7e9ed4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6a31021ddcbca4694006925ff0c580ac3156fa460660096d394ecb1b7e9ed4c", kill_on_drop: false }`
[INFO] [stdout] b6a31021ddcbca4694006925ff0c580ac3156fa460660096d394ecb1b7e9ed4c
