[INFO] fetching crate randomforest 0.1.6...
[INFO] testing randomforest-0.1.6 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate randomforest 0.1.6 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate randomforest 0.1.6 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb8ac35104948377232e22bf73ab90f3cc605f6209db4096a5bc1f2952a7b61d
[INFO] running `Command { std: "docker" "start" "-a" "bb8ac35104948377232e22bf73ab90f3cc605f6209db4096a5bc1f2952a7b61d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb8ac35104948377232e22bf73ab90f3cc605f6209db4096a5bc1f2952a7b61d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb8ac35104948377232e22bf73ab90f3cc605f6209db4096a5bc1f2952a7b61d", kill_on_drop: false }`
[INFO] [stdout] bb8ac35104948377232e22bf73ab90f3cc605f6209db4096a5bc1f2952a7b61d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70060d8e69de0efbe212dc2f54fd8befd357e2d88c2f3861700bf9ab082c7f8c
[INFO] running `Command { std: "docker" "start" "-a" "70060d8e69de0efbe212dc2f54fd8befd357e2d88c2f3861700bf9ab082c7f8c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling ordered-float v2.10.0
[INFO] [stderr]    Compiling randomforest v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.69s
[INFO] running `Command { std: "docker" "inspect" "70060d8e69de0efbe212dc2f54fd8befd357e2d88c2f3861700bf9ab082c7f8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70060d8e69de0efbe212dc2f54fd8befd357e2d88c2f3861700bf9ab082c7f8c", kill_on_drop: false }`
[INFO] [stdout] 70060d8e69de0efbe212dc2f54fd8befd357e2d88c2f3861700bf9ab082c7f8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be516e82d9711d2d7e9fdcdd551f3254b88af9b2ee342e479c53159200458d0d
[INFO] running `Command { std: "docker" "start" "-a" "be516e82d9711d2d7e9fdcdd551f3254b88af9b2ee342e479c53159200458d0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling randomforest v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.74s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/randomforest-9d5029c0deb4543d)
[INFO] running `Command { std: "docker" "inspect" "be516e82d9711d2d7e9fdcdd551f3254b88af9b2ee342e479c53159200458d0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be516e82d9711d2d7e9fdcdd551f3254b88af9b2ee342e479c53159200458d0d", kill_on_drop: false }`
[INFO] [stdout] be516e82d9711d2d7e9fdcdd551f3254b88af9b2ee342e479c53159200458d0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 11301905f4a9f7e0f4a9111c76064128578dc41b94646efb48cfb584c1e45e79
[INFO] running `Command { std: "docker" "start" "-a" "11301905f4a9f7e0f4a9111c76064128578dc41b94646efb48cfb584c1e45e79", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/randomforest-9d5029c0deb4543d)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test criterion::tests::mse_works ... ok
[INFO] [stdout] test criterion::tests::gini_works ... ok
[INFO] [stdout] test table::tests::error_check_works ... ok
[INFO] [stdout] test criterion::tests::entropy_works ... ok
[INFO] [stdout] test table::tests::filter_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::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 0.08s
[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 1.24s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "11301905f4a9f7e0f4a9111c76064128578dc41b94646efb48cfb584c1e45e79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11301905f4a9f7e0f4a9111c76064128578dc41b94646efb48cfb584c1e45e79", kill_on_drop: false }`
[INFO] [stdout] 11301905f4a9f7e0f4a9111c76064128578dc41b94646efb48cfb584c1e45e79