[INFO] fetching crate linfa-trees 0.5.0...
[INFO] testing linfa-trees-0.5.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate linfa-trees 0.5.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate linfa-trees 0.5.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate linfa-trees 0.5.0
[INFO] finished tweaking crates.io crate linfa-trees 0.5.0
[INFO] tweaked toml for crates.io crate linfa-trees 0.5.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate linfa-trees 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", 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]  Downloading crates ...
[INFO] [stderr]   Downloaded half v1.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d6a9050e17e940e792136f82ad087102c40e42a57e6c97c86e049a4cb0b53a9
[INFO] running `Command { std: "docker" "start" "-a" "8d6a9050e17e940e792136f82ad087102c40e42a57e6c97c86e049a4cb0b53a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d6a9050e17e940e792136f82ad087102c40e42a57e6c97c86e049a4cb0b53a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d6a9050e17e940e792136f82ad087102c40e42a57e6c97c86e049a4cb0b53a9", kill_on_drop: false }`
[INFO] [stdout] 8d6a9050e17e940e792136f82ad087102c40e42a57e6c97c86e049a4cb0b53a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9da872b205d3e667b2e54d9d99aba0e8538b28c83291e1f565ca5647d69c6a47
[INFO] running `Command { std: "docker" "start" "-a" "9da872b205d3e667b2e54d9d99aba0e8538b28c83291e1f565ca5647d69c6a47", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling ppv-lite86 v0.2.14
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling linfa v0.5.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr]    Compiling rand_distr v0.4.2
[INFO] [stderr]    Compiling ndarray v0.15.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling ndarray-rand v0.14.0
[INFO] [stderr]    Compiling linfa-trees v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.27s
[INFO] running `Command { std: "docker" "inspect" "9da872b205d3e667b2e54d9d99aba0e8538b28c83291e1f565ca5647d69c6a47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9da872b205d3e667b2e54d9d99aba0e8538b28c83291e1f565ca5647d69c6a47", kill_on_drop: false }`
[INFO] [stdout] 9da872b205d3e667b2e54d9d99aba0e8538b28c83291e1f565ca5647d69c6a47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d122839faa483e72e3f6b1be6c72a0ba66a636b6b7ce833b843746f875d9120d
[INFO] running `Command { std: "docker" "start" "-a" "d122839faa483e72e3f6b1be6c72a0ba66a636b6b7ce833b843746f875d9120d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling half v1.8.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling flate2 v1.0.22
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling ndarray-csv v0.5.1
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling linfa-datasets v0.5.0
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling linfa-trees v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 17.61s
[INFO] running `Command { std: "docker" "inspect" "d122839faa483e72e3f6b1be6c72a0ba66a636b6b7ce833b843746f875d9120d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d122839faa483e72e3f6b1be6c72a0ba66a636b6b7ce833b843746f875d9120d", kill_on_drop: false }`
[INFO] [stdout] d122839faa483e72e3f6b1be6c72a0ba66a636b6b7ce833b843746f875d9120d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d92185c23098f2a75f7bf7c0b4b57f325517dc5e37345285c990f0d40167e6c5
[INFO] running `Command { std: "docker" "start" "-a" "d92185c23098f2a75f7bf7c0b4b57f325517dc5e37345285c990f0d40167e6c5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/linfa_trees-027ab8176e613b60)
[INFO] [stdout] running 9 tests
[INFO] [stdout] test decision_trees::algorithm::tests::perfectly_separable_small ... ok
[INFO] [stdout] test decision_trees::algorithm::tests::multilabel_four_uniform ... ok
[INFO] [stdout] test decision_trees::algorithm::tests::gini_impurity_example ... ok
[INFO] [stdout] test decision_trees::algorithm::tests::entropy_example ... ok
[INFO] [stdout] test decision_trees::algorithm::tests::single_feature_random_noise_binary ... ok
[INFO] [stdout] test decision_trees::algorithm::tests::toy_dataset ... ok
[INFO] [stdout] test decision_trees::algorithm::tests::prediction_for_rows_example ... ok
[INFO] [stdout] test decision_trees::algorithm::tests::panic_min_impurity_decrease - should panic ... ok
[INFO] [stdout] test decision_trees::algorithm::tests::check_max_depth ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.21s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests linfa-trees
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/decision_trees/hyperparams.rs - decision_trees::hyperparams::DecisionTreeValidParams (line 37) ... ok
[INFO] [stdout] test src/decision_trees/tikz.rs - decision_trees::tikz::Tikz (line 16) ... ok
[INFO] [stdout] test src/decision_trees/algorithm.rs - decision_trees::algorithm::DecisionTree (line 463) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.16s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d92185c23098f2a75f7bf7c0b4b57f325517dc5e37345285c990f0d40167e6c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d92185c23098f2a75f7bf7c0b4b57f325517dc5e37345285c990f0d40167e6c5", kill_on_drop: false }`
[INFO] [stdout] d92185c23098f2a75f7bf7c0b4b57f325517dc5e37345285c990f0d40167e6c5