[INFO] fetching crate threader 0.0.4... [INFO] testing threader-0.0.4 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate threader 0.0.4 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate threader 0.0.4 [INFO] finished tweaking crates.io crate threader 0.0.4 [INFO] tweaked toml for crates.io crate threader 0.0.4 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate threader 0.0.4 on toolchain beta-2025-10-28 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 66 packages to latest compatible versions [INFO] [stderr] Adding crossbeam v0.7.3 (available: v0.8.4) [INFO] [stderr] Adding mio v0.6.23 (available: v1.1.0) [INFO] [stderr] Adding parking_lot v0.9.0 (available: v0.12.5) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5a72a54c633a63a206cd45a35c14b995237530a9d9fc2282d55657b6a2c5973c [INFO] running `Command { std: "docker" "start" "-a" "5a72a54c633a63a206cd45a35c14b995237530a9d9fc2282d55657b6a2c5973c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5a72a54c633a63a206cd45a35c14b995237530a9d9fc2282d55657b6a2c5973c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a72a54c633a63a206cd45a35c14b995237530a9d9fc2282d55657b6a2c5973c", kill_on_drop: false }` [INFO] [stdout] 5a72a54c633a63a206cd45a35c14b995237530a9d9fc2282d55657b6a2c5973c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ad1ab249db49de861e0581dce72ed90e7ed21ca3804ab37c233f5e5f0e7a25ea [INFO] running `Command { std: "docker" "start" "-a" "ad1ab249db49de861e0581dce72ed90e7ed21ca3804ab37c233f5e5f0e7a25ea", kill_on_drop: false }` [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling libc v0.2.177 [INFO] [stderr] Compiling proc-macro2 v1.0.103 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling quote v1.0.41 [INFO] [stderr] Compiling unicode-ident v1.0.22 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling slab v0.4.11 [INFO] [stderr] Compiling futures-core v0.3.31 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling futures-sink v0.3.31 [INFO] [stderr] Compiling smallvec v0.6.14 [INFO] [stderr] Compiling lock_api v0.3.4 [INFO] [stderr] Compiling log v0.4.28 [INFO] [stderr] Compiling futures-channel v0.3.31 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling once_cell v1.21.3 [INFO] [stderr] Compiling crossbeam-channel v0.4.4 [INFO] [stderr] Compiling crossbeam-queue v0.2.3 [INFO] [stderr] Compiling parking_lot_core v0.6.3 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling crossbeam-deque v0.7.4 [INFO] [stderr] Compiling crossbeam v0.7.3 [INFO] [stderr] Compiling syn v2.0.108 [INFO] [stderr] Compiling net2 v0.2.39 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling num_cpus v1.17.0 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling futures-executor v0.3.31 [INFO] [stderr] Compiling futures v0.3.31 [INFO] [stderr] Compiling threader v0.0.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `ptr` [INFO] [stdout] --> src/thread_pool/task/raw.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | ptr, [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: `InvalidGuard` [INFO] [stdout] --> src/thread_pool/task/mod.rs:6:19 [INFO] [stdout] | [INFO] [stdout] 6 | use raw::{Header, InvalidGuard, RawTask}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `release` [INFO] [stdout] --> src/utils/debug_utils.rs:32:11 [INFO] [stdout] | [INFO] [stdout] 32 | #[cfg(not(release))] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(release)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(release)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `release` [INFO] [stdout] --> src/utils/debug_utils.rs:38:7 [INFO] [stdout] | [INFO] [stdout] 38 | #[cfg(release)] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(release)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(release)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/thread_pool/task/raw.rs:181:10 [INFO] [stdout] | [INFO] [stdout] 181 | .compare_and_swap(UNLOCKED, LOCKED, Ordering::AcqRel) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/thread_pool/worker.rs:57:14 [INFO] [stdout] | [INFO] [stdout] 57 | .compare_and_swap(RUNNING, IDLE, Ordering::AcqRel) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/utils/thread_parker.rs:127:14 [INFO] [stdout] | [INFO] [stdout] 127 | .compare_and_swap(false, true, Ordering::Release); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `try_clone` is never used [INFO] [stdout] --> src/net/tcp.rs:102:8 [INFO] [stdout] | [INFO] [stdout] 71 | impl TcpStream { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 102 | fn try_clone(&self) -> io::Result { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `count` is never read [INFO] [stdout] --> src/thread_pool/mod.rs:45:5 [INFO] [stdout] | [INFO] [stdout] 43 | pub struct ThreadPool { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 44 | workers: Vec<(JoinHandle<()>, Arc)>, [INFO] [stdout] 45 | count: usize, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `InvalidGuard` is never constructed [INFO] [stdout] --> src/thread_pool/task/raw.rs:76:19 [INFO] [stdout] | [INFO] [stdout] 76 | pub(crate) struct InvalidGuard; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.38s [INFO] running `Command { std: "docker" "inspect" "ad1ab249db49de861e0581dce72ed90e7ed21ca3804ab37c233f5e5f0e7a25ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad1ab249db49de861e0581dce72ed90e7ed21ca3804ab37c233f5e5f0e7a25ea", kill_on_drop: false }` [INFO] [stdout] ad1ab249db49de861e0581dce72ed90e7ed21ca3804ab37c233f5e5f0e7a25ea [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4e6476a4bfc6a173e39c47d53a536b8c79e0f4c41abc5734bc5b4a4cb3968a83 [INFO] running `Command { std: "docker" "start" "-a" "4e6476a4bfc6a173e39c47d53a536b8c79e0f4c41abc5734bc5b4a4cb3968a83", kill_on_drop: false }` [INFO] [stderr] Compiling serde_json v1.0.145 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stdout] warning: unused import: `ptr` [INFO] [stdout] --> src/thread_pool/task/raw.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | ptr, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling thread-id v3.3.0 [INFO] [stderr] Compiling lazy_static v0.2.11 [INFO] [stdout] warning: unused import: `InvalidGuard` [INFO] [stdout] --> src/thread_pool/task/mod.rs:6:19 [INFO] [stdout] | [INFO] [stdout] 6 | use raw::{Header, InvalidGuard, RawTask}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `release` [INFO] [stdout] --> src/utils/debug_utils.rs:32:11 [INFO] [stdout] | [INFO] [stdout] 32 | #[cfg(not(release))] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(release)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(release)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `release` [INFO] [stdout] --> src/utils/debug_utils.rs:38:7 [INFO] [stdout] | [INFO] [stdout] 38 | #[cfg(release)] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(release)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(release)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/thread_pool/task/raw.rs:181:10 [INFO] [stdout] | [INFO] [stdout] 181 | .compare_and_swap(UNLOCKED, LOCKED, Ordering::AcqRel) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/thread_pool/worker.rs:57:14 [INFO] [stdout] | [INFO] [stdout] 57 | .compare_and_swap(RUNNING, IDLE, Ordering::AcqRel) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/utils/thread_parker.rs:127:14 [INFO] [stdout] | [INFO] [stdout] 127 | .compare_and_swap(false, true, Ordering::Release); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `try_clone` is never used [INFO] [stdout] --> src/net/tcp.rs:102:8 [INFO] [stdout] | [INFO] [stdout] 71 | impl TcpStream { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 102 | fn try_clone(&self) -> io::Result { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `count` is never read [INFO] [stdout] --> src/thread_pool/mod.rs:45:5 [INFO] [stdout] | [INFO] [stdout] 43 | pub struct ThreadPool { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 44 | workers: Vec<(JoinHandle<()>, Arc)>, [INFO] [stdout] 45 | count: usize, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `InvalidGuard` is never constructed [INFO] [stdout] --> src/thread_pool/task/raw.rs:76:19 [INFO] [stdout] | [INFO] [stdout] 76 | pub(crate) struct InvalidGuard; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling flame v0.2.2 [INFO] [stderr] Compiling threader v0.0.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `ptr` [INFO] [stdout] --> src/thread_pool/task/raw.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | ptr, [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: `InvalidGuard` [INFO] [stdout] --> src/thread_pool/task/mod.rs:6:19 [INFO] [stdout] | [INFO] [stdout] 6 | use raw::{Header, InvalidGuard, RawTask}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `release` [INFO] [stdout] --> src/utils/debug_utils.rs:32:11 [INFO] [stdout] | [INFO] [stdout] 32 | #[cfg(not(release))] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(release)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(release)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `release` [INFO] [stdout] --> src/utils/debug_utils.rs:38:7 [INFO] [stdout] | [INFO] [stdout] 38 | #[cfg(release)] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(release)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(release)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/thread_pool/task/raw.rs:181:10 [INFO] [stdout] | [INFO] [stdout] 181 | .compare_and_swap(UNLOCKED, LOCKED, Ordering::AcqRel) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/thread_pool/worker.rs:57:14 [INFO] [stdout] | [INFO] [stdout] 57 | .compare_and_swap(RUNNING, IDLE, Ordering::AcqRel) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/utils/thread_parker.rs:127:14 [INFO] [stdout] | [INFO] [stdout] 127 | .compare_and_swap(false, true, Ordering::Release); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/thread_pool/mod.rs:252:21 [INFO] [stdout] | [INFO] [stdout] 252 | fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll { [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: method `try_clone` is never used [INFO] [stdout] --> src/net/tcp.rs:102:8 [INFO] [stdout] | [INFO] [stdout] 71 | impl TcpStream { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 102 | fn try_clone(&self) -> io::Result { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `count` is never read [INFO] [stdout] --> src/thread_pool/mod.rs:45:5 [INFO] [stdout] | [INFO] [stdout] 43 | pub struct ThreadPool { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 44 | workers: Vec<(JoinHandle<()>, Arc)>, [INFO] [stdout] 45 | count: usize, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `InvalidGuard` is never constructed [INFO] [stdout] --> src/thread_pool/task/raw.rs:76:19 [INFO] [stdout] | [INFO] [stdout] 76 | pub(crate) struct InvalidGuard; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 8.03s [INFO] running `Command { std: "docker" "inspect" "4e6476a4bfc6a173e39c47d53a536b8c79e0f4c41abc5734bc5b4a4cb3968a83", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e6476a4bfc6a173e39c47d53a536b8c79e0f4c41abc5734bc5b4a4cb3968a83", kill_on_drop: false }` [INFO] [stdout] 4e6476a4bfc6a173e39c47d53a536b8c79e0f4c41abc5734bc5b4a4cb3968a83 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a970731dfee54375edd004b0a855b90ddbd62610d23160e990d349a1eb2a2098 [INFO] running `Command { std: "docker" "start" "-a" "a970731dfee54375edd004b0a855b90ddbd62610d23160e990d349a1eb2a2098", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `ptr` [INFO] [stderr] --> src/thread_pool/task/raw.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | ptr, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `InvalidGuard` [INFO] [stderr] --> src/thread_pool/task/mod.rs:6:19 [INFO] [stderr] | [INFO] [stderr] 6 | use raw::{Header, InvalidGuard, RawTask}; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unexpected `cfg` condition name: `release` [INFO] [stderr] --> src/utils/debug_utils.rs:32:11 [INFO] [stderr] | [INFO] [stderr] 32 | #[cfg(not(release))] [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stderr] = help: consider using a Cargo feature instead [INFO] [stderr] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stderr] [lints.rust] [INFO] [stderr] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(release)'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(release)");` to the top of the `build.rs` [INFO] [stderr] = note: see for more information about checking conditional configuration [INFO] [stderr] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unexpected `cfg` condition name: `release` [INFO] [stderr] --> src/utils/debug_utils.rs:38:7 [INFO] [stderr] | [INFO] [stderr] 38 | #[cfg(release)] [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: consider using a Cargo feature instead [INFO] [stderr] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stderr] [lints.rust] [INFO] [stderr] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(release)'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(release)");` to the top of the `build.rs` [INFO] [stderr] = note: see for more information about checking conditional configuration [INFO] [stderr] [INFO] [stderr] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stderr] --> src/thread_pool/task/raw.rs:181:10 [INFO] [stderr] | [INFO] [stderr] 181 | .compare_and_swap(UNLOCKED, LOCKED, Ordering::AcqRel) [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stderr] --> src/thread_pool/worker.rs:57:14 [INFO] [stderr] | [INFO] [stderr] 57 | .compare_and_swap(RUNNING, IDLE, Ordering::AcqRel) [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated method `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stderr] --> src/utils/thread_parker.rs:127:14 [INFO] [stderr] | [INFO] [stderr] 127 | .compare_and_swap(false, true, Ordering::Release); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method `try_clone` is never used [INFO] [stderr] --> src/net/tcp.rs:102:8 [INFO] [stderr] | [INFO] [stderr] 71 | impl TcpStream { [INFO] [stderr] | -------------- method in this implementation [INFO] [stderr] ... [INFO] [stderr] 102 | fn try_clone(&self) -> io::Result { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: field `count` is never read [INFO] [stderr] --> src/thread_pool/mod.rs:45:5 [INFO] [stderr] | [INFO] [stderr] 43 | pub struct ThreadPool { [INFO] [stderr] | ---------- field in this struct [INFO] [stderr] 44 | workers: Vec<(JoinHandle<()>, Arc)>, [INFO] [stderr] 45 | count: usize, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `InvalidGuard` is never constructed [INFO] [stderr] --> src/thread_pool/task/raw.rs:76:19 [INFO] [stderr] | [INFO] [stderr] 76 | pub(crate) struct InvalidGuard; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/thread_pool/mod.rs:252:21 [INFO] [stderr] | [INFO] [stderr] 252 | fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `threader` (lib) generated 10 warnings (run `cargo fix --lib -p threader` to apply 2 suggestions) [INFO] [stderr] warning: `threader` (lib test) generated 11 warnings (10 duplicates) (run `cargo fix --lib -p threader --tests` to apply 1 suggestion) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/threader-e4e0062d8f0b6cfd) [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test net::tcp::tests::connect_test ... ignored [INFO] [stdout] test thread_pool::tests::bad_future ... ignored [INFO] [stdout] test thread_pool::tests::time_threader ... ignored [INFO] [stdout] test net::tcp::tests::listener_stream_connect ... ok [INFO] [stdout] test thread_pool::tests::custom_thread_count ... ok [INFO] [stdout] test net::tcp::tests::connect_invalid_port ... ok [INFO] [stdout] test thread_pool::tests::zero_threads - should panic ... ok [INFO] [stdout] test thread_pool::tests::simple ... ok [INFO] [stdout] test thread_pool::tests::reschedule ... ok [INFO] [stderr] Doc-tests threader [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out; finished in 4.03s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test src/utils/thread_parker.rs - utils::thread_parker::ThreadParker (line 22) ... ok [INFO] [stdout] test src/utils/debug_utils.rs - utils::debug_utils::debug_unreachable (line 8) ... ok [INFO] [stdout] test src/utils/thread_parker.rs - utils::thread_parker::ThreadParker::unparker (line 70) ... ok [INFO] [stdout] test src/thread_pool/mod.rs - thread_pool::ThreadPool::with_threads (line 79) ... ok [INFO] [stdout] test src/thread_pool/mod.rs - thread_pool::ThreadPool::new (line 57) ... ok [INFO] [stdout] test src/thread_pool/mod.rs - thread_pool::ThreadPool (line 23) ... ok [INFO] [stdout] test src/utils/thread_parker.rs - utils::thread_parker::ThreadParker::new (line 38) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.69s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "a970731dfee54375edd004b0a855b90ddbd62610d23160e990d349a1eb2a2098", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a970731dfee54375edd004b0a855b90ddbd62610d23160e990d349a1eb2a2098", kill_on_drop: false }` [INFO] [stdout] a970731dfee54375edd004b0a855b90ddbd62610d23160e990d349a1eb2a2098