[INFO] fetching crate linfa-trees 0.4.0...
[INFO] testing linfa-trees-0.4.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate linfa-trees 0.4.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate linfa-trees 0.4.0 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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-11/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7dad66f116f540e5977ed6d173c9f8d420598a3e5fc107a12b1f30334e8c48f4
[INFO] running `Command { std: "docker" "start" "-a" "7dad66f116f540e5977ed6d173c9f8d420598a3e5fc107a12b1f30334e8c48f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7dad66f116f540e5977ed6d173c9f8d420598a3e5fc107a12b1f30334e8c48f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dad66f116f540e5977ed6d173c9f8d420598a3e5fc107a12b1f30334e8c48f4", kill_on_drop: false }`
[INFO] [stdout] 7dad66f116f540e5977ed6d173c9f8d420598a3e5fc107a12b1f30334e8c48f4
[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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0fdce9b46e3e6ae276fa149f8f2e9ee88660dd28bfcbf97bb8cf8dfedb246988
[INFO] running `Command { std: "docker" "start" "-a" "0fdce9b46e3e6ae276fa149f8f2e9ee88660dd28bfcbf97bb8cf8dfedb246988", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]    Compiling ndarray v0.14.0
[INFO] [stderr]    Compiling linfa v0.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling matrixmultiply v0.2.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling rand_distr v0.4.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling ndarray-rand v0.13.0
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling linfa-trees v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.93s
[INFO] running `Command { std: "docker" "inspect" "0fdce9b46e3e6ae276fa149f8f2e9ee88660dd28bfcbf97bb8cf8dfedb246988", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fdce9b46e3e6ae276fa149f8f2e9ee88660dd28bfcbf97bb8cf8dfedb246988", kill_on_drop: false }`
[INFO] [stdout] 0fdce9b46e3e6ae276fa149f8f2e9ee88660dd28bfcbf97bb8cf8dfedb246988
[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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8381f0a4892bff6494ed162e5b044f9903257228c68b81ef46865d5871f337a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a8381f0a4892bff6494ed162e5b044f9903257228c68b81ef46865d5871f337a", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling plotters v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling cast v0.2.5
[INFO] [stderr]    Compiling flate2 v1.0.20
[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 csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[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 34.85s
[INFO] running `Command { std: "docker" "inspect" "a8381f0a4892bff6494ed162e5b044f9903257228c68b81ef46865d5871f337a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8381f0a4892bff6494ed162e5b044f9903257228c68b81ef46865d5871f337a", kill_on_drop: false }`
[INFO] [stdout] a8381f0a4892bff6494ed162e5b044f9903257228c68b81ef46865d5871f337a
[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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 594145bfe06494accbe827b653a4a3f63c1c4ba0bcb9a9f44579163485c70c59
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "594145bfe06494accbe827b653a4a3f63c1c4ba0bcb9a9f44579163485c70c59", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/linfa_trees-05577c311f077cfe)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test decision_trees::algorithm::tests::perfectly_separable_small ... ok
[INFO] [stdout] test decision_trees::algorithm::tests::prediction_for_rows_example ... ok
[INFO] [stdout] test decision_trees::algorithm::tests::single_feature_random_noise_binary ... 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::toy_dataset ... ok
[INFO] [stdout] test decision_trees::algorithm::tests::panic_min_impurity_decrease ... ok
[INFO] [stdout] test decision_trees::algorithm::tests::entropy_example ... 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 1.35s
[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 2.23s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "594145bfe06494accbe827b653a4a3f63c1c4ba0bcb9a9f44579163485c70c59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "594145bfe06494accbe827b653a4a3f63c1c4ba0bcb9a9f44579163485c70c59", kill_on_drop: false }`
[INFO] [stdout] 594145bfe06494accbe827b653a4a3f63c1c4ba0bcb9a9f44579163485c70c59