[INFO] fetching crate linfa-ensemble 0.8.0...
[INFO] testing linfa-ensemble-0.8.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate linfa-ensemble 0.8.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate linfa-ensemble 0.8.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate linfa-ensemble 0.8.0
[INFO] tweaked toml for crates.io crate linfa-ensemble 0.8.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate linfa-ensemble 0.8.0 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] crate crates.io crate linfa-ensemble 0.8.0 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 8635901cd5f40b9ff260627c7fde2ee1b786e77dc6539f28842fda9a27c30591
[INFO] running `Command { std: "docker" "start" "-a" "8635901cd5f40b9ff260627c7fde2ee1b786e77dc6539f28842fda9a27c30591", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8635901cd5f40b9ff260627c7fde2ee1b786e77dc6539f28842fda9a27c30591", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8635901cd5f40b9ff260627c7fde2ee1b786e77dc6539f28842fda9a27c30591", kill_on_drop: false }`
[INFO] [stdout] 8635901cd5f40b9ff260627c7fde2ee1b786e77dc6539f28842fda9a27c30591
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c6927f0a7a364c5793eddfb87e340cb88389351219686f1a05cd6d44a451420a
[INFO] running `Command { std: "docker" "start" "-a" "c6927f0a7a364c5793eddfb87e340cb88389351219686f1a05cd6d44a451420a", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling linfa v0.8.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling ndarray v0.16.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling sprs v0.11.3
[INFO] [stderr]    Compiling ndarray-rand v0.15.0
[INFO] [stderr]    Compiling linfa-trees v0.8.0
[INFO] [stderr]    Compiling linfa-ensemble v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.60s
[INFO] running `Command { std: "docker" "inspect" "c6927f0a7a364c5793eddfb87e340cb88389351219686f1a05cd6d44a451420a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6927f0a7a364c5793eddfb87e340cb88389351219686f1a05cd6d44a451420a", kill_on_drop: false }`
[INFO] [stdout] c6927f0a7a364c5793eddfb87e340cb88389351219686f1a05cd6d44a451420a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 9336d559a8455c0716cf042507189782fa166ca3d30b9923369ad99a47ea972c
[INFO] running `Command { std: "docker" "start" "-a" "9336d559a8455c0716cf042507189782fa166ca3d30b9923369ad99a47ea972c", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling csv-core v0.1.12
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr]    Compiling csv v1.3.1
[INFO] [stderr]    Compiling ndarray-csv v0.5.3
[INFO] [stderr]    Compiling linfa-datasets v0.8.0
[INFO] [stderr]    Compiling linfa-ensemble v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 11.89s
[INFO] running `Command { std: "docker" "inspect" "9336d559a8455c0716cf042507189782fa166ca3d30b9923369ad99a47ea972c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9336d559a8455c0716cf042507189782fa166ca3d30b9923369ad99a47ea972c", kill_on_drop: false }`
[INFO] [stdout] 9336d559a8455c0716cf042507189782fa166ca3d30b9923369ad99a47ea972c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] beb43b5fbc1f5f70a9b8b16156f12897e5399b3ea2304b3bdcbfe372e74a7f0f
[INFO] running `Command { std: "docker" "start" "-a" "beb43b5fbc1f5f70a9b8b16156f12897e5399b3ea2304b3bdcbfe372e74a7f0f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/linfa_ensemble-f45a64be4c3037f3)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_ensemble_learner_accuracy_on_iris_dataset ... ok
[INFO] [stderr]    Doc-tests linfa_ensemble
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.39s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 20) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "beb43b5fbc1f5f70a9b8b16156f12897e5399b3ea2304b3bdcbfe372e74a7f0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "beb43b5fbc1f5f70a9b8b16156f12897e5399b3ea2304b3bdcbfe372e74a7f0f", kill_on_drop: false }`
[INFO] [stdout] beb43b5fbc1f5f70a9b8b16156f12897e5399b3ea2304b3bdcbfe372e74a7f0f