[INFO] fetching crate randomforest 0.1.6...
[INFO] testing randomforest-0.1.6 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate randomforest 0.1.6 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate randomforest 0.1.6 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate randomforest 0.1.6
[INFO] finished tweaking crates.io crate randomforest 0.1.6
[INFO] tweaked toml for crates.io crate randomforest 0.1.6 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d41ebe0f453cc6f18417ec611005c7bc307ef4ca6f6555cb6055d6855771225
[INFO] running `Command { std: "docker" "start" "-a" "0d41ebe0f453cc6f18417ec611005c7bc307ef4ca6f6555cb6055d6855771225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d41ebe0f453cc6f18417ec611005c7bc307ef4ca6f6555cb6055d6855771225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d41ebe0f453cc6f18417ec611005c7bc307ef4ca6f6555cb6055d6855771225", kill_on_drop: false }`
[INFO] [stdout] 0d41ebe0f453cc6f18417ec611005c7bc307ef4ca6f6555cb6055d6855771225
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53113b642bbeb2930bb25e0b88c1e157eb6943a50184dcc5e1fa9a4885447b48
[INFO] running `Command { std: "docker" "start" "-a" "53113b642bbeb2930bb25e0b88c1e157eb6943a50184dcc5e1fa9a4885447b48", kill_on_drop: false }`
[INFO] [stderr]    Compiling ordered-float v2.8.0
[INFO] [stderr]    Compiling randomforest v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "53113b642bbeb2930bb25e0b88c1e157eb6943a50184dcc5e1fa9a4885447b48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53113b642bbeb2930bb25e0b88c1e157eb6943a50184dcc5e1fa9a4885447b48", kill_on_drop: false }`
[INFO] [stdout] 53113b642bbeb2930bb25e0b88c1e157eb6943a50184dcc5e1fa9a4885447b48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 739479447b40c3a77f6751b9e0949b30d9198fc6a041b52b198022c454c88fd7
[INFO] running `Command { std: "docker" "start" "-a" "739479447b40c3a77f6751b9e0949b30d9198fc6a041b52b198022c454c88fd7", kill_on_drop: false }`
[INFO] [stderr]    Compiling randomforest v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.33s
[INFO] running `Command { std: "docker" "inspect" "739479447b40c3a77f6751b9e0949b30d9198fc6a041b52b198022c454c88fd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "739479447b40c3a77f6751b9e0949b30d9198fc6a041b52b198022c454c88fd7", kill_on_drop: false }`
[INFO] [stdout] 739479447b40c3a77f6751b9e0949b30d9198fc6a041b52b198022c454c88fd7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7b3d756db984c66983861de8f171068d786b5122a767b8686a2998b7a1d9865e
[INFO] running `Command { std: "docker" "start" "-a" "7b3d756db984c66983861de8f171068d786b5122a767b8686a2998b7a1d9865e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/randomforest-a84d05a3a96d77c6)
[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 table::tests::filter_works ... ok
[INFO] [stdout] test table::tests::error_check_works ... ok
[INFO] [stdout] test table::tests::train_test_split_works ... ok
[INFO] [stdout] test decision_tree::tests::regression_works ... ok
[INFO] [stdout] test random_forest::classifier::tests::classification_works ... ok
[INFO] [stdout] test random_forest::regressor::tests::regression_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[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 1.57s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7b3d756db984c66983861de8f171068d786b5122a767b8686a2998b7a1d9865e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b3d756db984c66983861de8f171068d786b5122a767b8686a2998b7a1d9865e", kill_on_drop: false }`
[INFO] [stdout] 7b3d756db984c66983861de8f171068d786b5122a767b8686a2998b7a1d9865e