[INFO] fetching crate hammer-and-sample 0.3.1...
[INFO] testing hammer-and-sample-0.3.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate hammer-and-sample 0.3.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate hammer-and-sample 0.3.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate hammer-and-sample 0.3.1
[INFO] tweaked toml for crates.io crate hammer-and-sample 0.3.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate hammer-and-sample 0.3.1 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate hammer-and-sample 0.3.1 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-2025-09-21" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1c5837ff87a9144b7d55914c3b9a5c74eb3dc23e9648c6d4ff8a9091fe82877
[INFO] running `Command { std: "docker" "start" "-a" "a1c5837ff87a9144b7d55914c3b9a5c74eb3dc23e9648c6d4ff8a9091fe82877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1c5837ff87a9144b7d55914c3b9a5c74eb3dc23e9648c6d4ff8a9091fe82877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1c5837ff87a9144b7d55914c3b9a5c74eb3dc23e9648c6d4ff8a9091fe82877", kill_on_drop: false }`
[INFO] [stdout] a1c5837ff87a9144b7d55914c3b9a5c74eb3dc23e9648c6d4ff8a9091fe82877
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b81f293b48697a4ee51978a9a8182f93f62500af19f69a87afc3d9aa91bab0da
[INFO] running `Command { std: "docker" "start" "-a" "b81f293b48697a4ee51978a9a8182f93f62500af19f69a87afc3d9aa91bab0da", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.18
[INFO] [stderr]    Compiling rand_core v0.9.1
[INFO] [stderr]    Compiling rand v0.9.0
[INFO] [stderr]    Compiling hammer-and-sample v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.80s
[INFO] running `Command { std: "docker" "inspect" "b81f293b48697a4ee51978a9a8182f93f62500af19f69a87afc3d9aa91bab0da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b81f293b48697a4ee51978a9a8182f93f62500af19f69a87afc3d9aa91bab0da", kill_on_drop: false }`
[INFO] [stdout] b81f293b48697a4ee51978a9a8182f93f62500af19f69a87afc3d9aa91bab0da
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc4e302cb3d032b9e007a9a37d406c55d9608f7cb248504076c9d828239d6bae
[INFO] running `Command { std: "docker" "start" "-a" "bc4e302cb3d032b9e007a9a37d406c55d9608f7cb248504076c9d828239d6bae", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rand_core v0.9.1
[INFO] [stderr]    Compiling rand v0.9.0
[INFO] [stderr]    Compiling rand_pcg v0.9.0
[INFO] [stderr]    Compiling hammer-and-sample v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rand_distr v0.5.0
[INFO] [stdout] error[E0432]: unresolved import `hammer_and_sample::Parallel`
[INFO] [stdout]    --> tests/hierarchical.rs:5:69
[INFO] [stdout]     |
[INFO] [stdout]   5 | use hammer_and_sample::{auto_corr_time, sample, MinChainLen, Model, Parallel};
[INFO] [stdout]     |                                                                     ^^^^^^^^ no `Parallel` in the root
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:450:12
[INFO] [stdout]     |
[INFO] [stdout] 448 | #[cfg(feature = "rayon")]
[INFO] [stdout]     |       ----------------- the item is gated behind the `rayon` feature
[INFO] [stdout] 449 | /// Parallel execution strategy which updates walkers using Rayon's thread pool
[INFO] [stdout] 450 | pub struct Parallel;
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hammer-and-sample` (test "hierarchical") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "bc4e302cb3d032b9e007a9a37d406c55d9608f7cb248504076c9d828239d6bae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc4e302cb3d032b9e007a9a37d406c55d9608f7cb248504076c9d828239d6bae", kill_on_drop: false }`
[INFO] [stdout] bc4e302cb3d032b9e007a9a37d406c55d9608f7cb248504076c9d828239d6bae