[INFO] cloning repository https://github.com/chinaxxren/learning [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chinaxxren/learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchinaxxren%2Flearning", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchinaxxren%2Flearning'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4d038113de5992f0338a1f95318a9787522def3c [INFO] testing chinaxxren/learning against beta-2025-04-13 for beta-1.87-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchinaxxren%2Flearning" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/chinaxxren/learning on toolchain beta-2025-04-13 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-04-13" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/chinaxxren/learning [INFO] finished tweaking git repo https://github.com/chinaxxren/learning [INFO] tweaked toml for git repo https://github.com/chinaxxren/learning written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/chinaxxren/learning 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" "+beta-2025-04-13" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7d7bdd7098e529e9b2b3ba8c32a0183192f9b090a3d80ec879a8da522b0210c2 [INFO] running `Command { std: "docker" "start" "-a" "7d7bdd7098e529e9b2b3ba8c32a0183192f9b090a3d80ec879a8da522b0210c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7d7bdd7098e529e9b2b3ba8c32a0183192f9b090a3d80ec879a8da522b0210c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7d7bdd7098e529e9b2b3ba8c32a0183192f9b090a3d80ec879a8da522b0210c2", kill_on_drop: false }` [INFO] [stdout] 7d7bdd7098e529e9b2b3ba8c32a0183192f9b090a3d80ec879a8da522b0210c2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4da659c61bfaf38640afa553c7bfa33aac9e46451b34fa4c453560522b83c67b [INFO] running `Command { std: "docker" "start" "-a" "4da659c61bfaf38640afa553c7bfa33aac9e46451b34fa4c453560522b83c67b", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Compiling pin-project-lite v0.2.15 [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Compiling proc-macro2 v1.0.89 [INFO] [stderr] Compiling unicode-ident v1.0.13 [INFO] [stderr] Compiling libc v0.2.161 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Compiling scopeguard v1.2.0 [INFO] [stderr] Compiling smallvec v1.13.2 [INFO] [stderr] Compiling bytes v1.8.0 [INFO] [stderr] Compiling rust_lib v0.1.0 (/opt/rustwide/workdir/rust-lib) [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Compiling futures-core v0.3.31 [INFO] [stderr] Compiling either v1.13.0 [INFO] [stderr] Compiling futures-io v0.3.31 [INFO] [stderr] Compiling parking v2.2.1 [INFO] [stderr] Compiling fastrand v2.1.1 [INFO] [stderr] Compiling rustix v0.38.39 [INFO] [stderr] Compiling linux-raw-sys v0.4.14 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling tracing-core v0.1.32 [INFO] [stderr] Compiling futures-sink v0.3.31 [INFO] [stderr] Compiling memchr v2.7.4 [INFO] [stderr] Compiling bitflags v2.6.0 [INFO] [stderr] Compiling async-task v4.7.1 [INFO] [stderr] Compiling futures-channel v0.3.31 [INFO] [stderr] Compiling futures-lite v2.4.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling futures-task v0.3.31 [INFO] [stderr] Compiling atomic-waker v1.1.2 [INFO] [stderr] Compiling value-bag v1.10.0 [INFO] [stderr] Compiling once_cell v1.20.2 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling piper v0.2.4 [INFO] [stderr] Compiling event-listener v2.5.3 [INFO] [stderr] Compiling tracing v0.1.40 [INFO] [stderr] Compiling rust-thread v0.1.0 (/opt/rustwide/workdir/rust-thread) [INFO] [stdout] warning: field `id` is never read [INFO] [stdout] --> rust-thread/src/main.rs:58:5 [INFO] [stdout] | [INFO] [stdout] 57 | struct Worker { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 58 | id: usize, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling log v0.4.22 [INFO] [stderr] Compiling rust-channel v0.1.0 (/opt/rustwide/workdir/rust-channel) [INFO] [stderr] Compiling crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling concurrent-queue v2.5.0 [INFO] [stdout] warning: method `try_recv` is never used [INFO] [stdout] --> rust-channel/src/main.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 13 | impl Receiver { [INFO] [stdout] | ------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 24 | fn try_recv(&self) -> Option { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling event-listener v5.3.1 [INFO] [stderr] Compiling async-executor v1.13.1 [INFO] [stderr] Compiling async-channel v1.9.0 [INFO] [stderr] Compiling crossbeam-deque v0.8.5 [INFO] [stderr] Compiling kv-log-macro v1.0.7 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling mio v1.0.2 [INFO] [stderr] Compiling socket2 v0.5.7 [INFO] [stderr] Compiling signal-hook-registry v1.4.2 [INFO] [stderr] Compiling event-listener-strategy v0.5.2 [INFO] [stderr] Compiling async-lock v3.4.0 [INFO] [stderr] Compiling async-channel v2.3.1 [INFO] [stderr] Compiling parking_lot v0.12.3 [INFO] [stderr] Compiling syn v2.0.87 [INFO] [stderr] Compiling blocking v1.6.1 [INFO] [stderr] Compiling rayon v1.10.0 [INFO] [stderr] Compiling tokio-macros v2.4.0 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling async-attributes v1.1.2 [INFO] [stderr] Compiling polling v3.7.3 [INFO] [stderr] Compiling tokio v1.41.0 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling async-io v2.3.4 [INFO] [stderr] Compiling async-global-executor v2.4.1 [INFO] [stderr] Compiling async-std v1.13.0 [INFO] [stderr] Compiling futures-executor v0.3.31 [INFO] [stderr] Compiling futures v0.3.31 [INFO] [stderr] Compiling tokio-util v0.7.12 [INFO] [stderr] Compiling rust_demo v0.1.0 (/opt/rustwide/workdir/rust-demo) [INFO] [stderr] Compiling rust_async v0.1.0 (/opt/rustwide/workdir/rust-async) [INFO] [stdout] warning: field `data` is never read [INFO] [stdout] --> rust-demo/mem/4_forget.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | struct NeedCleanup { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 5 | data: Vec, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::mem` [INFO] [stdout] --> rust-demo/mem/11_unlock.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::mem; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ptr` [INFO] [stdout] --> rust-demo/mem/11_unlock.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::ptr; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread::JoinHandle` [INFO] [stdout] --> rust-demo/mem/11_unlock.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::thread::JoinHandle; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Final` is never constructed [INFO] [stdout] --> rust-demo/mem/9_state.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 3 | enum State { [INFO] [stdout] | ----- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 6 | Final, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `data` is never read [INFO] [stdout] --> rust-demo/mem/9_state.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 10 | struct StateMachine { [INFO] [stdout] | ------------ field in this struct [INFO] [stdout] 11 | state: State, [INFO] [stdout] 12 | data: Vec, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> rust-demo/mem/11_unlock.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 15 | struct Node { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] ... [INFO] [stdout] 19 | value: T, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Duration` and `sleep` [INFO] [stdout] --> rust-async/src/demo/2_await.rs:2:19 [INFO] [stdout] | [INFO] [stdout] 2 | use tokio::time::{sleep, Duration}; [INFO] [stdout] | ^^^^^ ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `a` and `b` are never used [INFO] [stdout] --> rust-async/src/demo/9_test_pin.rs:27:8 [INFO] [stdout] | [INFO] [stdout] 12 | impl Test { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 27 | fn a(self: Pin<&Self>) -> &str { [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 31 | fn b(self: Pin<&Self>) -> &String { [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> rust-demo/mem/3_take_replace.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | let mut next = node.take_next(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::panic` [INFO] [stdout] --> rust-async/src/other/selectables.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use core::panic; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `new_executor_and_spawner` [INFO] [stdout] --> rust-async/src/other/main.rs:19:23 [INFO] [stdout] | [INFO] [stdout] 19 | use crate::executor::{new_executor_and_spawner}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `pin_utils::pin_mut` [INFO] [stdout] --> rust-async/src/other/main.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | use pin_utils::pin_mut; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> rust-async/src/other/concurrent_iter.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 32 | mut stream: Pin<&mut dyn Stream>>, [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `FutureExt` [INFO] [stdout] --> rust-async/src/other/main.rs:26:49 [INFO] [stdout] | [INFO] [stdout] 26 | use futures::{channel::mpsc, stream::StreamExt, FutureExt}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.93s [INFO] running `Command { std: "docker" "inspect" "4da659c61bfaf38640afa553c7bfa33aac9e46451b34fa4c453560522b83c67b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4da659c61bfaf38640afa553c7bfa33aac9e46451b34fa4c453560522b83c67b", kill_on_drop: false }` [INFO] [stdout] 4da659c61bfaf38640afa553c7bfa33aac9e46451b34fa4c453560522b83c67b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3714e48aa93eb59c6fe08c87378fc1ca854d333e3f6f347f466610894508529e [INFO] running `Command { std: "docker" "start" "-a" "3714e48aa93eb59c6fe08c87378fc1ca854d333e3f6f347f466610894508529e", kill_on_drop: false }` [INFO] [stderr] Compiling rust_lib v0.1.0 (/opt/rustwide/workdir/rust-lib) [INFO] [stderr] Compiling rust-channel v0.1.0 (/opt/rustwide/workdir/rust-channel) [INFO] [stderr] Compiling rust-thread v0.1.0 (/opt/rustwide/workdir/rust-thread) [INFO] [stderr] Compiling rust_demo v0.1.0 (/opt/rustwide/workdir/rust-demo) [INFO] [stderr] Compiling rust_async v0.1.0 (/opt/rustwide/workdir/rust-async) [INFO] [stdout] warning: method `try_recv` is never used [INFO] [stdout] --> rust-channel/src/main.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 13 | impl Receiver { [INFO] [stdout] | ------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 24 | fn try_recv(&self) -> Option { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> rust-demo/mem/3_take_replace.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | let mut next = node.take_next(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `id` is never read [INFO] [stdout] --> rust-thread/src/main.rs:58:5 [INFO] [stdout] | [INFO] [stdout] 57 | struct Worker { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 58 | id: usize, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `a` and `b` are never used [INFO] [stdout] --> rust-async/src/demo/9_test_pin.rs:27:8 [INFO] [stdout] | [INFO] [stdout] 12 | impl Test { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 27 | fn a(self: Pin<&Self>) -> &str { [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 31 | fn b(self: Pin<&Self>) -> &String { [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `data` is never read [INFO] [stdout] --> rust-demo/mem/4_forget.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | struct NeedCleanup { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 5 | data: Vec, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Final` is never constructed [INFO] [stdout] --> rust-demo/mem/9_state.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 3 | enum State { [INFO] [stdout] | ----- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 6 | Final, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `data` is never read [INFO] [stdout] --> rust-demo/mem/9_state.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 10 | struct StateMachine { [INFO] [stdout] | ------------ field in this struct [INFO] [stdout] 11 | state: State, [INFO] [stdout] 12 | data: Vec, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Duration` and `sleep` [INFO] [stdout] --> rust-async/src/demo/2_await.rs:2:19 [INFO] [stdout] | [INFO] [stdout] 2 | use tokio::time::{sleep, Duration}; [INFO] [stdout] | ^^^^^ ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tx1` [INFO] [stdout] --> rust-async/src/example/my_select.rs:31:10 [INFO] [stdout] | [INFO] [stdout] 31 | let (tx1, rx1) = oneshot::channel(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_tx1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tx2` [INFO] [stdout] --> rust-async/src/example/my_select.rs:32:10 [INFO] [stdout] | [INFO] [stdout] 32 | let (tx2, rx2) = oneshot::channel(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_tx2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `main` is never used [INFO] [stdout] --> rust-async/src/example/delay.rs:35:10 [INFO] [stdout] | [INFO] [stdout] 35 | async fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::panic` [INFO] [stdout] --> rust-async/src/other/selectables.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use core::panic; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `new_executor_and_spawner` [INFO] [stdout] --> rust-async/src/other/main.rs:19:23 [INFO] [stdout] | [INFO] [stdout] 19 | use crate::executor::{new_executor_and_spawner}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `pin_utils::pin_mut` [INFO] [stdout] --> rust-async/src/other/main.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | use pin_utils::pin_mut; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> rust-async/src/other/concurrent_iter.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 32 | mut stream: Pin<&mut dyn Stream>>, [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::mem` [INFO] [stdout] --> rust-demo/mem/11_unlock.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::mem; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ptr` [INFO] [stdout] --> rust-demo/mem/11_unlock.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::ptr; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread::JoinHandle` [INFO] [stdout] --> rust-demo/mem/11_unlock.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::thread::JoinHandle; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> rust-demo/mem/11_unlock.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 15 | struct Node { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] ... [INFO] [stdout] 19 | value: T, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `FutureExt` [INFO] [stdout] --> rust-async/src/other/main.rs:26:49 [INFO] [stdout] | [INFO] [stdout] 26 | use futures::{channel::mpsc, stream::StreamExt, FutureExt}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rust_async` (example "yield_now") [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2025-04-13-x86_64-unknown-linux-gnu/bin/rustc --crate-name yield_now --edition=2021 rust-async/src/example/yield_now.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=4d02fa76911ba56d -C extra-filename=-4438baae9f7bbc4b --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern async_std=/opt/rustwide/target/debug/deps/libasync_std-60d9780790f7da31.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-928f86835076a982.rlib --extern pin_utils=/opt/rustwide/target/debug/deps/libpin_utils-3860774ad9b215b5.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-2620772d008b2378.rlib --extern tokio_util=/opt/rustwide/target/debug/deps/libtokio_util-2cbd4b7cc0c6467b.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: linking with `cc` failed: exit status: 1 [INFO] [stdout] | [INFO] [stdout] = note: "cc" "-m64" "/tmp/rustc0WUtGt/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libasync_std-60d9780790f7da31.rlib,libasync_global_executor-96cde02f6baf3cd1.rlib,libblocking-1817db314fd3477d.rlib,libpiper-17667993a5b70989.rlib,libatomic_waker-06950c8c08d2b8fa.rlib,libasync_channel-0ffd0058566fe5c5.rlib,libasync_executor-731990fd86f1a931.rlib,libasync_task-05c57d1f836b6944.rlib,libonce_cell-2642703f88b7c2f4.rlib,libasync_io-3f0e0778428b38a5.rlib,libpolling-6a1c84bf5b1c0773.rlib,libtracing-47c2ea7e7a21d85a.rlib,libtracing_core-20c17a47f1e7af4e.rlib,libcfg_if-3e7fc4e38d4a72b5.rlib,librustix-74119a8a228ff068.rlib,libbitflags-c95e5b195a86a9bf.rlib,liblinux_raw_sys-5869c4e6c7c861d8.rlib,libfutures_lite-a4fb96c23152518c.rlib,libfastrand-95938f07ebb7e7bf.rlib,libasync_channel-09fa80b9094fd6f6.rlib,libevent_listener-0282a877755a83ef.rlib,libconcurrent_queue-cc59c96add4faa0c.rlib,libcrossbeam_utils-a8a58313e76b01fb.rlib,libasync_lock-b2d77c97e865eb7c.rlib,libevent_listener_strategy-06f6d981d8358a3a.rlib,libevent_listener-b482b6e1aca7834c.rlib,libparking-a9ae72c6c16ee980.rlib,libkv_log_macro-3aca23f50f9875bd.rlib,liblog-4f5667a7ef048d9f.rlib,libvalue_bag-48a1455d14f4fd84.rlib,libfutures-928f86835076a982.rlib,libfutures_executor-ec5ecae09da82513.rlib,libfutures_util-029c18eabf1b54f8.rlib,libmemchr-08f38e9718637002.rlib,libfutures_io-6a4719510b0746bc.rlib,libslab-33a512f5e5040868.rlib,libfutures_channel-2cfe504daaa5e1bd.rlib,libpin_project_lite-1fb34223a43983ad.rlib,libfutures_sink-ae1eb2d060de53a2.rlib,libfutures_task-e09ab7898221cb97.rlib,libpin_utils-3860774ad9b215b5.rlib,libfutures_core-3b920243fce8fec0.rlib}.rlib" "/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,libcfg_if-*,liblibc-*,liballoc-*,librustc_std_workspace_core-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/tmp/rustc0WUtGt/raw-dylibs" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/examples/waker-28f33884358b661f" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs" [INFO] [stdout] = note: some arguments are omitted. use `--verbose` to show all linker arguments [INFO] [stdout] = note: collect2: fatal error: ld terminated with signal 9 [Killed] [INFO] [stdout] compilation terminated. [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rust_async` (example "waker") due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "3714e48aa93eb59c6fe08c87378fc1ca854d333e3f6f347f466610894508529e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3714e48aa93eb59c6fe08c87378fc1ca854d333e3f6f347f466610894508529e", kill_on_drop: false }` [INFO] [stdout] 3714e48aa93eb59c6fe08c87378fc1ca854d333e3f6f347f466610894508529e