[INFO] fetching crate randomforest 0.2.0...
[INFO] testing randomforest-0.2.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate randomforest 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate randomforest 0.2.0
[INFO] finished tweaking crates.io crate randomforest 0.2.0
[INFO] tweaked toml for crates.io crate randomforest 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate randomforest 0.2.0 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 randomforest 0.2.0 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-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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] fdbd70b50e6ebcdb56fa5e002846ef611ab594991e04eba9345c6c650a155699
[INFO] running `Command { std: "docker" "start" "-a" "fdbd70b50e6ebcdb56fa5e002846ef611ab594991e04eba9345c6c650a155699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fdbd70b50e6ebcdb56fa5e002846ef611ab594991e04eba9345c6c650a155699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdbd70b50e6ebcdb56fa5e002846ef611ab594991e04eba9345c6c650a155699", kill_on_drop: false }`
[INFO] [stdout] fdbd70b50e6ebcdb56fa5e002846ef611ab594991e04eba9345c6c650a155699
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 95a6da6b11ed8c4c9ad9181a1a06a0d5c7d9e3da187322061b5170ecb38fd00b
[INFO] running `Command { std: "docker" "start" "-a" "95a6da6b11ed8c4c9ad9181a1a06a0d5c7d9e3da187322061b5170ecb38fd00b", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling libc v0.2.185
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling rand_core v0.10.1
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling cpufeatures v0.3.0
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling chacha20 v0.10.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling rayon v1.12.0
[INFO] [stderr]    Compiling rand v0.10.1
[INFO] [stderr]    Compiling randomforest v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.12s
[INFO] running `Command { std: "docker" "inspect" "95a6da6b11ed8c4c9ad9181a1a06a0d5c7d9e3da187322061b5170ecb38fd00b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95a6da6b11ed8c4c9ad9181a1a06a0d5c7d9e3da187322061b5170ecb38fd00b", kill_on_drop: false }`
[INFO] [stdout] 95a6da6b11ed8c4c9ad9181a1a06a0d5c7d9e3da187322061b5170ecb38fd00b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 1aa288d1658767eccf237a2986582bfe8ad7166ad28956d966b8b4268fb62bc6
[INFO] running `Command { std: "docker" "start" "-a" "1aa288d1658767eccf237a2986582bfe8ad7166ad28956d966b8b4268fb62bc6", kill_on_drop: false }`
[INFO] [stderr]    Compiling randomforest v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "1aa288d1658767eccf237a2986582bfe8ad7166ad28956d966b8b4268fb62bc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1aa288d1658767eccf237a2986582bfe8ad7166ad28956d966b8b4268fb62bc6", kill_on_drop: false }`
[INFO] [stdout] 1aa288d1658767eccf237a2986582bfe8ad7166ad28956d966b8b4268fb62bc6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] bae69e06e3380c0769c2934da41bbc2414f55af111b16a622d96bd72f2d09398
[INFO] running `Command { std: "docker" "start" "-a" "bae69e06e3380c0769c2934da41bbc2414f55af111b16a622d96bd72f2d09398", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/randomforest-b018c067da9c4bb2)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test criterion::tests::entropy_works ... ok
[INFO] [stdout] test criterion::tests::mse_works ... ok
[INFO] [stdout] test criterion::tests::gini_works ... ok
[INFO] [stdout] test decision_tree::tests::regression_works ... ok
[INFO] [stdout] test table::tests::error_check_works ... ok
[INFO] [stdout] test table::tests::filter_works ... ok
[INFO] [stdout] test table::tests::train_test_split_works ... ok
[INFO] [stdout] test random_forest::regressor::tests::regression_works ... ok
[INFO] [stdout] test random_forest::classifier::tests::classification_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests randomforest
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.83s; merged doctests compilation took 0.79s
[INFO] running `Command { std: "docker" "inspect" "bae69e06e3380c0769c2934da41bbc2414f55af111b16a622d96bd72f2d09398", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bae69e06e3380c0769c2934da41bbc2414f55af111b16a622d96bd72f2d09398", kill_on_drop: false }`
[INFO] [stdout] bae69e06e3380c0769c2934da41bbc2414f55af111b16a622d96bd72f2d09398
