[INFO] fetching crate hakuban 0.8.5... [INFO] testing hakuban-0.8.5 against beta-2026-04-21 for beta-1.96-2 [INFO] extracting crate hakuban 0.8.5 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate hakuban 0.8.5 [INFO] removed 0 missing examples [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate hakuban 0.8.5 [INFO] tweaked toml for crates.io crate hakuban 0.8.5 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate hakuban 0.8.5 on toolchain beta-2026-04-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate hakuban 0.8.5 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ceb77feae13796fb69cd10d9bb34e8a12f0816c2d10b0a8c263e0b1a6ab31735 [INFO] running `Command { std: "docker" "start" "-a" "ceb77feae13796fb69cd10d9bb34e8a12f0816c2d10b0a8c263e0b1a6ab31735", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ceb77feae13796fb69cd10d9bb34e8a12f0816c2d10b0a8c263e0b1a6ab31735", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ceb77feae13796fb69cd10d9bb34e8a12f0816c2d10b0a8c263e0b1a6ab31735", kill_on_drop: false }` [INFO] [stdout] ceb77feae13796fb69cd10d9bb34e8a12f0816c2d10b0a8c263e0b1a6ab31735 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fac86271d9be47b97a29394d2032b232ddcd6b433d62b5e1a758bcbeedb258dd [INFO] running `Command { std: "docker" "start" "-a" "fac86271d9be47b97a29394d2032b232ddcd6b433d62b5e1a758bcbeedb258dd", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.106 [INFO] [stderr] Compiling quote v1.0.45 [INFO] [stderr] Compiling unicode-ident v1.0.24 [INFO] [stderr] Compiling libc v0.2.184 [INFO] [stderr] Compiling cfg-if v1.0.4 [INFO] [stderr] Compiling stable_deref_trait v1.2.1 [INFO] [stderr] Compiling find-msvc-tools v0.1.9 [INFO] [stderr] Compiling pkg-config v0.3.33 [INFO] [stderr] Compiling memchr v2.8.0 [INFO] [stderr] Compiling smallvec v1.15.1 [INFO] [stderr] Compiling typenum v1.19.0 [INFO] [stderr] Compiling litemap v0.8.2 [INFO] [stderr] Compiling getrandom v0.3.4 [INFO] [stderr] Compiling zerocopy v0.8.48 [INFO] [stderr] Compiling writeable v0.6.3 [INFO] [stderr] Compiling pin-project-lite v0.2.17 [INFO] [stderr] Compiling parking_lot_core v0.9.12 [INFO] [stderr] Compiling openssl v0.10.76 [INFO] [stderr] Compiling icu_properties_data v2.2.0 [INFO] [stderr] Compiling icu_normalizer_data v2.2.0 [INFO] [stderr] Compiling log v0.4.29 [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling thiserror v2.0.18 [INFO] [stderr] Compiling bitflags v2.11.0 [INFO] [stderr] Compiling futures-sink v0.3.32 [INFO] [stderr] Compiling cc v1.2.60 [INFO] [stderr] Compiling bytes v1.11.1 [INFO] [stderr] Compiling once_cell v1.21.4 [INFO] [stderr] Compiling futures-core v0.3.32 [INFO] [stderr] Compiling native-tls v0.2.18 [INFO] [stderr] Compiling lock_api v0.4.14 [INFO] [stderr] Compiling anstyle-parse v1.0.0 [INFO] [stderr] Compiling futures-channel v0.3.32 [INFO] [stderr] Compiling openssl-probe v0.2.1 [INFO] [stderr] Compiling futures-io v0.3.32 [INFO] [stderr] Compiling aho-corasick v1.1.4 [INFO] [stderr] Compiling is_terminal_polyfill v1.70.2 [INFO] [stderr] Compiling anstyle v1.0.14 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling slab v0.4.12 [INFO] [stderr] Compiling colorchoice v1.0.5 [INFO] [stderr] Compiling futures-task v0.3.32 [INFO] [stderr] Compiling regex-syntax v0.8.10 [INFO] [stderr] Compiling anstyle-query v1.1.5 [INFO] [stderr] Compiling itoa v1.0.18 [INFO] [stderr] Compiling anstream v1.0.0 [INFO] [stderr] Compiling getrandom v0.4.2 [INFO] [stderr] Compiling rust_decimal v1.41.0 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling rand_core v0.10.0 [INFO] [stderr] Compiling zmij v1.0.21 [INFO] [stderr] Compiling deranged v0.5.8 [INFO] [stderr] Compiling http v1.4.0 [INFO] [stderr] Compiling syn v2.0.117 [INFO] [stderr] Compiling num-conv v0.2.1 [INFO] [stderr] Compiling time-core v0.1.8 [INFO] [stderr] Compiling serde_json v1.0.149 [INFO] [stderr] Compiling virtue v0.0.18 [INFO] [stderr] Compiling percent-encoding v2.3.2 [INFO] [stderr] Compiling data-encoding v2.10.0 [INFO] [stderr] Compiling cpufeatures v0.3.0 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling arrayvec v0.7.6 [INFO] [stderr] Compiling clap_lex v1.1.0 [INFO] [stderr] Compiling chacha20 v0.10.0 [INFO] [stderr] Compiling form_urlencoded v1.2.2 [INFO] [stderr] Compiling openssl-sys v0.9.112 [INFO] [stderr] Compiling clap_builder v4.6.0 [INFO] [stderr] Compiling chrono v0.4.44 [INFO] [stderr] Compiling jiff v0.2.23 [INFO] [stderr] Compiling crypto-common v0.1.7 [INFO] [stderr] Compiling block-buffer v0.10.4 [INFO] [stderr] Compiling rand_core v0.9.5 [INFO] [stderr] Compiling errno v0.3.14 [INFO] [stderr] Compiling signal-hook-registry v1.4.8 [INFO] [stderr] Compiling digest v0.10.7 [INFO] [stderr] Compiling mio v1.2.0 [INFO] [stderr] Compiling socket2 v0.6.3 [INFO] [stderr] Compiling parking_lot v0.12.5 [INFO] [stderr] Compiling regex-automata v0.4.14 [INFO] [stderr] Compiling sha1 v0.10.6 [INFO] [stderr] Compiling bincode_derive v2.0.1 [INFO] [stderr] Compiling time v0.3.47 [INFO] [stderr] Compiling unty v0.0.4 [INFO] [stderr] Compiling winnow v0.7.15 [INFO] [stderr] Compiling atomic-waker v1.1.2 [INFO] [stderr] Compiling itertools v0.14.0 [INFO] [stderr] Compiling rand v0.10.1 [INFO] [stderr] Compiling hostname v0.4.2 [INFO] [stderr] Compiling drop_guard v0.3.0 [INFO] [stderr] Compiling bincode v2.0.1 [INFO] [stderr] Compiling regex v1.12.3 [INFO] [stderr] Compiling env_filter v1.0.1 [INFO] 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tinystr v0.8.3 [INFO] [stderr] Compiling potential_utf v0.1.5 [INFO] [stderr] Compiling icu_locale_core v2.2.0 [INFO] [stderr] Compiling icu_collections v2.2.0 [INFO] [stderr] Compiling icu_provider v2.2.0 [INFO] [stderr] Compiling duration-str v0.21.0 [INFO] [stderr] Compiling icu_properties v2.2.0 [INFO] [stderr] Compiling icu_normalizer v2.2.0 [INFO] [stderr] Compiling tungstenite v0.29.0 [INFO] [stderr] Compiling futures-executor v0.3.32 [INFO] [stderr] Compiling futures v0.3.32 [INFO] [stderr] Compiling idna_adapter v1.2.1 [INFO] [stderr] Compiling idna v1.1.0 [INFO] [stderr] Compiling url v2.5.8 [INFO] [stderr] Compiling tokio-native-tls v0.3.1 [INFO] [stderr] Compiling async-tungstenite v0.34.0 [INFO] [stderr] Compiling hakuban v0.8.5 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 08s [INFO] running `Command { std: "docker" "inspect" "fac86271d9be47b97a29394d2032b232ddcd6b433d62b5e1a758bcbeedb258dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fac86271d9be47b97a29394d2032b232ddcd6b433d62b5e1a758bcbeedb258dd", kill_on_drop: false }` [INFO] [stdout] fac86271d9be47b97a29394d2032b232ddcd6b433d62b5e1a758bcbeedb258dd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8284a4710f18c129219c01ade110fae17142cafa7ab0015422f38882373d95e5 [INFO] running `Command { std: "docker" "start" "-a" "8284a4710f18c129219c01ade110fae17142cafa7ab0015422f38882373d95e5", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.184 [INFO] [stderr] Compiling futures-core v0.3.32 [INFO] [stderr] Compiling getrandom v0.4.2 [INFO] [stderr] Compiling cfg_aliases v0.2.1 [INFO] [stderr] Compiling colored v3.1.1 [INFO] [stderr] Compiling permutations v0.1.1 [INFO] [stderr] Compiling futures-channel v0.3.32 [INFO] [stderr] Compiling nix v0.31.2 [INFO] [stderr] Compiling futures-util v0.3.32 [INFO] [stderr] Compiling errno v0.3.14 [INFO] [stderr] Compiling parking_lot_core v0.9.12 [INFO] [stderr] Compiling openssl-sys v0.9.112 [INFO] [stderr] Compiling getrandom v0.3.4 [INFO] [stderr] Compiling mio v1.2.0 [INFO] [stderr] Compiling socket2 v0.6.3 [INFO] [stderr] Compiling hostname v0.4.2 [INFO] [stderr] Compiling sysinfo v0.38.4 [INFO] [stderr] Compiling rand_core v0.9.5 [INFO] [stderr] Compiling parking_lot v0.12.5 [INFO] [stderr] Compiling signal-hook-registry v1.4.8 [INFO] [stderr] Compiling rand v0.10.1 [INFO] [stderr] Compiling rand_chacha v0.9.0 [INFO] [stderr] Compiling tokio v1.51.1 [INFO] [stderr] Compiling rand v0.9.3 [INFO] [stderr] Compiling futures-executor v0.3.32 [INFO] [stderr] Compiling futures v0.3.32 [INFO] [stderr] Compiling openssl v0.10.76 [INFO] [stderr] Compiling native-tls v0.2.18 [INFO] [stderr] Compiling tungstenite v0.29.0 [INFO] [stderr] Compiling tokio-native-tls v0.3.1 [INFO] [stderr] Compiling tokio-stream v0.1.18 [INFO] [stderr] Compiling async-tungstenite v0.34.0 [INFO] [stderr] Compiling tokio-test v0.4.5 [INFO] [stderr] Compiling hakuban v0.8.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Display` [INFO] [stdout] --> tests/common/shuffler.rs:4:15 [INFO] [stdout] | [INFO] [stdout] 4 | fmt::{Debug, Display}, [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: `Display` [INFO] [stdout] --> tests/common/shuffler.rs:4:15 [INFO] [stdout] | [INFO] [stdout] 4 | fmt::{Debug, Display}, [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 imports: `AtomicI64` and `AtomicU64` [INFO] [stdout] --> tests/basic.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | atomic::{AtomicI64, AtomicU64}, [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Display` [INFO] [stdout] --> tests/common/shuffler.rs:4:15 [INFO] [stdout] | [INFO] [stdout] 4 | fmt::{Debug, Display}, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Topology` is never used [INFO] [stdout] --> tests/common/network.rs:13:10 [INFO] [stdout] | [INFO] [stdout] 13 | pub enum Topology { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `setup_network` and `teardown_network` are never used [INFO] [stdout] --> tests/common/network.rs:20:15 [INFO] [stdout] | [INFO] [stdout] 19 | impl Topology { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] 20 | pub async fn setup_network(self, task_count: usize) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 78 | pub async fn teardown_network(routers: Vec>) -> std::io::Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `exit` is never used [INFO] [stdout] --> tests/common/router.rs:99:15 [INFO] [stdout] | [INFO] [stdout] 25 | impl Router { [INFO] [stdout] | ----------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 99 | pub async fn exit(self: Arc) -> std::io::Result<()> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `DynError` is never used [INFO] [stdout] --> tests/common/shuffler.rs:15:6 [INFO] [stdout] | [INFO] [stdout] 15 | type DynError = Box; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Shuffle` is never constructed [INFO] [stdout] --> tests/common/shuffler.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 17 | pub struct Shuffle { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Task` is never constructed [INFO] [stdout] --> tests/common/shuffler.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 26 | pub struct Task { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `task`, `setup`, `teardown`, and `run` are never used [INFO] [stdout] --> tests/common/shuffler.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 36 | impl Shuffle { [INFO] [stdout] | ---------------------------------------------------------------------------------------------- associated items in this implementation [INFO] [stdout] 37 | pub fn new(fuzzy_barrier_count: usize, variants: Vec) -> Shuffle { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 41 | pub fn task> + Send + Sync + 'static>( [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 50 | pub fn setup> + Send + Sync + 'static>( [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 58 | pub fn teardown> + Send + Sync + 'static>( [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 67 | pub async fn run(self, timeout: Duration) -> Result<(), Box> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `fuzzy_barrier` and `barrier` are never used [INFO] [stdout] --> tests/common/shuffler.rs:164:15 [INFO] [stdout] | [INFO] [stdout] 163 | impl Task { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] 164 | pub async fn fuzzy_barrier(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 178 | pub async fn barrier(&mut self) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `SingleRouter` and `TwoStackedRouters` are never constructed [INFO] [stdout] --> tests/common/network.rs:14:2 [INFO] [stdout] | [INFO] [stdout] 13 | pub enum Topology { [INFO] [stdout] | -------- variants in this enum [INFO] [stdout] 14 | SingleRouter, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 15 | TwoStackedRouters, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Topology` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `task_id`, `barriers`, `next_barrier`, `history`, and `tasks_count` are never read [INFO] [stdout] --> tests/common/shuffler.rs:28:2 [INFO] [stdout] | [INFO] [stdout] 26 | pub struct Task { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 27 | pub name: &'static str, [INFO] [stdout] 28 | task_id: usize, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 29 | standard_barrier: Arc, [INFO] [stdout] 30 | barriers: Arc>, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 31 | next_barrier: usize, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 32 | history: usize, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 33 | tasks_count: usize, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `fuzzy_barrier` is never used [INFO] [stdout] --> tests/common/shuffler.rs:164:15 [INFO] [stdout] | [INFO] [stdout] 163 | impl Task { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] 164 | pub async fn fuzzy_barrier(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 40.82s [INFO] running `Command { std: "docker" "inspect" "8284a4710f18c129219c01ade110fae17142cafa7ab0015422f38882373d95e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8284a4710f18c129219c01ade110fae17142cafa7ab0015422f38882373d95e5", kill_on_drop: false }` [INFO] [stdout] 8284a4710f18c129219c01ade110fae17142cafa7ab0015422f38882373d95e5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 182455b3bed1e54e4edc52b7305cc0ad95c0ac70735f9da4c64bf2b4a9d583c7 [INFO] running `Command { std: "docker" "start" "-a" "182455b3bed1e54e4edc52b7305cc0ad95c0ac70735f9da4c64bf2b4a9d583c7", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `Display` [INFO] [stderr] --> tests/common/shuffler.rs:4:15 [INFO] [stderr] | [INFO] [stderr] 4 | fmt::{Debug, Display}, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `AtomicI64` and `AtomicU64` [INFO] [stderr] --> tests/basic.rs:8:12 [INFO] [stderr] | [INFO] [stderr] 8 | atomic::{AtomicI64, AtomicU64}, [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variants `SingleRouter` and `TwoStackedRouters` are never constructed [INFO] [stderr] --> tests/common/network.rs:14:2 [INFO] [stderr] | [INFO] [stderr] 13 | pub enum Topology { [INFO] [stderr] | -------- variants in this enum [INFO] [stderr] 14 | SingleRouter, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] 15 | TwoStackedRouters, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Topology` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: fields `task_id`, `barriers`, `next_barrier`, `history`, and `tasks_count` are never read [INFO] [stderr] --> tests/common/shuffler.rs:28:2 [INFO] [stderr] | [INFO] [stderr] 26 | pub struct Task { [INFO] [stderr] | ---- fields in this struct [INFO] [stderr] 27 | pub name: &'static str, [INFO] [stderr] 28 | task_id: usize, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] 29 | standard_barrier: Arc, [INFO] [stderr] 30 | barriers: Arc>, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] 31 | next_barrier: usize, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] 32 | history: usize, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] 33 | tasks_count: usize, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method `fuzzy_barrier` is never used [INFO] [stderr] --> tests/common/shuffler.rs:164:15 [INFO] [stderr] | [INFO] [stderr] 163 | impl Task { [INFO] [stderr] | --------- method in this implementation [INFO] [stderr] 164 | pub async fn fuzzy_barrier(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: enum `Topology` is never used [INFO] [stderr] --> tests/common/network.rs:13:10 [INFO] [stderr] | [INFO] [stderr] 13 | pub enum Topology { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: associated items `setup_network` and `teardown_network` are never used [INFO] [stderr] --> tests/common/network.rs:20:15 [INFO] [stderr] | [INFO] [stderr] 19 | impl Topology { [INFO] [stderr] | ------------- associated items in this implementation [INFO] [stderr] 20 | pub async fn setup_network(self, task_count: usize) -> Vec> { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 78 | pub async fn teardown_network(routers: Vec>) -> std::io::Result<()> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method `exit` is never used [INFO] [stderr] --> tests/common/router.rs:99:15 [INFO] [stderr] | [INFO] [stderr] 25 | impl Router { [INFO] [stderr] | ----------- method in this implementation [INFO] [stderr] ... [INFO] [stderr] 99 | pub async fn exit(self: Arc) -> std::io::Result<()> { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: type alias `DynError` is never used [INFO] [stderr] --> tests/common/shuffler.rs:15:6 [INFO] [stderr] | [INFO] [stderr] 15 | type DynError = Box; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `Shuffle` is never constructed [INFO] [stderr] --> tests/common/shuffler.rs:17:12 [INFO] [stderr] | [INFO] [stderr] 17 | pub struct Shuffle { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `Task` is never constructed [INFO] [stderr] --> tests/common/shuffler.rs:26:12 [INFO] [stderr] | [INFO] [stderr] 26 | pub struct Task { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated items `new`, `task`, `setup`, `teardown`, and `run` are never used [INFO] [stderr] --> tests/common/shuffler.rs:37:9 [INFO] [stderr] | [INFO] [stderr] 36 | impl Shuffle { [INFO] [stderr] | ---------------------------------------------------------------------------------------------- associated items in this implementation [INFO] [stderr] 37 | pub fn new(fuzzy_barrier_count: usize, variants: Vec) -> Shuffle { [INFO] [stderr] | ^^^ [INFO] [stderr] ... [INFO] [stderr] 41 | pub fn task> + Send + Sync + 'static>( [INFO] [stderr] | ^^^^ [INFO] [stderr] ... [INFO] [stderr] 50 | pub fn setup> + Send + Sync + 'static>( [INFO] [stderr] | ^^^^^ [INFO] [stderr] ... [INFO] [stderr] 58 | pub fn teardown> + Send + Sync + 'static>( [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 67 | pub async fn run(self, timeout: Duration) -> Result<(), Box> { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: methods `fuzzy_barrier` and `barrier` are never used [INFO] [stderr] --> tests/common/shuffler.rs:164:15 [INFO] [stderr] | [INFO] [stderr] 163 | impl Task { [INFO] [stderr] | --------- methods in this implementation [INFO] [stderr] 164 | pub async fn fuzzy_barrier(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 178 | pub async fn barrier(&mut self) { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `hakuban` (test "basic") generated 2 warnings (run `cargo fix --test "basic" -p hakuban` to apply 2 suggestions) [INFO] [stderr] warning: `hakuban` (test "introspective") generated 4 warnings (1 duplicate) [INFO] [stderr] warning: `hakuban` (test "performance") generated 9 warnings (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/hakuban-9178a7b44a740c78) [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test connection::diff::tests::can_diff_and_patch_wiki_titles ... ignored [INFO] [stdout] test descriptor::tests::object_descriptor_can_be_serialized_and_deserialized_with_json ... ok [INFO] [stdout] test descriptor::tests::tag_descriptor_can_be_constructed_from_whatever_is_convertible_to_json ... ok [INFO] [stdout] test descriptor::tests::tag_descriptor_can_be_serialized_and_deserialized_with_json ... ok [INFO] [stdout] test connection::diff::tests::can_diff_and_patch_random_data_sets_of_varying_length ... ok [INFO] [stdout] test connection::diff::tests::can_diff_and_patch_data_sets_contstructed_by_copy_pasting_from_the_origin ... ok [INFO] [stdout] test connection::diff::tests::can_diff_and_patch_random_data_sets_of_fixed_length ... ok [INFO] [stdout] test connection::diff::tests::can_diff_and_patch_select_data_sets ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.26s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/hakuban-router.rs (/opt/rustwide/target/debug/deps/hakuban_router-80ab6e0cbecdf48f) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/basic.rs (/opt/rustwide/target/debug/deps/basic-5bbef2729c890768) [INFO] [stdout] [INFO] [stdout] running 25 tests [INFO] [stdout] test local_desynchronize_on_object_state_sink_drop ... ok [INFO] [stdout] test local_instant_object_state_sink_drop_panic ... ok [INFO] [stderr] error: test failed, to rerun pass `--test basic` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/deps/basic-5bbef2729c890768` (signal: 6, SIGABRT: process abort signal) [INFO] running `Command { std: "docker" "inspect" "182455b3bed1e54e4edc52b7305cc0ad95c0ac70735f9da4c64bf2b4a9d583c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "182455b3bed1e54e4edc52b7305cc0ad95c0ac70735f9da4c64bf2b4a9d583c7", kill_on_drop: false }` [INFO] [stdout] 182455b3bed1e54e4edc52b7305cc0ad95c0ac70735f9da4c64bf2b4a9d583c7