[INFO] fetching crate linfa-trees 0.4.0...
[INFO] testing linfa-trees-0.4.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate linfa-trees 0.4.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate linfa-trees 0.4.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate linfa-trees 0.4.0
[INFO] finished tweaking crates.io crate linfa-trees 0.4.0
[INFO] tweaked toml for crates.io crate linfa-trees 0.4.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate linfa-trees 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d18ec42d40420a5779aad126bfb2d123c2290510e59f78bbdc4742e5437328a
[INFO] running `Command { std: "docker" "start" "-a" "6d18ec42d40420a5779aad126bfb2d123c2290510e59f78bbdc4742e5437328a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d18ec42d40420a5779aad126bfb2d123c2290510e59f78bbdc4742e5437328a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d18ec42d40420a5779aad126bfb2d123c2290510e59f78bbdc4742e5437328a", kill_on_drop: false }`
[INFO] [stdout] 6d18ec42d40420a5779aad126bfb2d123c2290510e59f78bbdc4742e5437328a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d4ad969692ec80eb8ec23a99f9ba78487abb113c7e82ea368a88efc36f10beb
[INFO] running `Command { std: "docker" "start" "-a" "3d4ad969692ec80eb8ec23a99f9ba78487abb113c7e82ea368a88efc36f10beb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]    Compiling ndarray v0.14.0
[INFO] [stderr]    Compiling linfa v0.4.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling matrixmultiply v0.2.4
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling rand_distr v0.4.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling ndarray-rand v0.13.0
[INFO] [stderr]    Compiling linfa-trees v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.90s
[INFO] running `Command { std: "docker" "inspect" "3d4ad969692ec80eb8ec23a99f9ba78487abb113c7e82ea368a88efc36f10beb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d4ad969692ec80eb8ec23a99f9ba78487abb113c7e82ea368a88efc36f10beb", kill_on_drop: false }`
[INFO] [stdout] 3d4ad969692ec80eb8ec23a99f9ba78487abb113c7e82ea368a88efc36f10beb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b7729df49998b6e658d0ebe7353fd299e4fbd8540ef330e104a801126f2344b
[INFO] running `Command { std: "docker" "start" "-a" "2b7729df49998b6e658d0ebe7353fd299e4fbd8540ef330e104a801126f2344b", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling plotters-backend v0.3.0
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling cast v0.2.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling plotters-svg v0.3.0
[INFO] [stderr]    Compiling plotters v0.3.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling regex v1.4.6
[INFO] [stderr]    Compiling bstr v0.2.15
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling ndarray-csv v0.5.0
[INFO] [stderr]    Compiling criterion v0.3.4
[INFO] [stderr]    Compiling linfa-datasets v0.4.0
[INFO] [stderr]    Compiling linfa-trees v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 37.55s
[INFO] running `Command { std: "docker" "inspect" "2b7729df49998b6e658d0ebe7353fd299e4fbd8540ef330e104a801126f2344b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b7729df49998b6e658d0ebe7353fd299e4fbd8540ef330e104a801126f2344b", kill_on_drop: false }`
[INFO] [stdout] 2b7729df49998b6e658d0ebe7353fd299e4fbd8540ef330e104a801126f2344b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1ad0b6fbbd7c2e08cfc256a42ae479e74c7bf68c05d49ad397d2d9988b6ccb64
[INFO] running `Command { std: "docker" "start" "-a" "1ad0b6fbbd7c2e08cfc256a42ae479e74c7bf68c05d49ad397d2d9988b6ccb64", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/linfa_trees-b69201ada751c9ae)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[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::prediction_for_rows_example ... ok
[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::single_feature_random_noise_binary ... ok
[INFO] [stdout] test decision_trees::algorithm::tests::toy_dataset ... 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 1.47s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests linfa-trees
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[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 464) ... ok
[INFO] [stdout] test src/decision_trees/hyperparameters.rs - decision_trees::hyperparameters::DecisionTreeParams (line 35) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.69s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1ad0b6fbbd7c2e08cfc256a42ae479e74c7bf68c05d49ad397d2d9988b6ccb64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ad0b6fbbd7c2e08cfc256a42ae479e74c7bf68c05d49ad397d2d9988b6ccb64", kill_on_drop: false }`
[INFO] [stdout] 1ad0b6fbbd7c2e08cfc256a42ae479e74c7bf68c05d49ad397d2d9988b6ccb64
