[INFO] fetching crate automl 0.2.4...
[INFO] testing automl-0.2.4 against 1.59.0 for beta-1.60-1
[INFO] extracting crate automl 0.2.4 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate automl 0.2.4 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate automl 0.2.4
[INFO] finished tweaking crates.io crate automl 0.2.4
[INFO] tweaked toml for crates.io crate automl 0.2.4 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate automl 0.2.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47a81f6a87cfe04a5009c878ab56a59986a3170be230b1674e1198e07ce1a858
[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" "47a81f6a87cfe04a5009c878ab56a59986a3170be230b1674e1198e07ce1a858", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47a81f6a87cfe04a5009c878ab56a59986a3170be230b1674e1198e07ce1a858", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47a81f6a87cfe04a5009c878ab56a59986a3170be230b1674e1198e07ce1a858", kill_on_drop: false }`
[INFO] [stdout] 47a81f6a87cfe04a5009c878ab56a59986a3170be230b1674e1198e07ce1a858
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7036d929e8c5556aeab20a25ba4fa279e3225d037d84c586f77472c8af42cf96
[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" "7036d929e8c5556aeab20a25ba4fa279e3225d037d84c586f77472c8af42cf96", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.33
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling signal-hook v0.3.10
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling strum v0.22.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling signal-hook-mio v0.2.1
[INFO] [stderr]    Compiling crossterm v0.22.1
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rand_distr v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling strum_macros v0.22.0
[INFO] [stderr]    Compiling num v0.3.1
[INFO] [stderr]    Compiling comfy-table v5.0.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling smartcore v0.2.0
[INFO] [stderr]    Compiling automl v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "7036d929e8c5556aeab20a25ba4fa279e3225d037d84c586f77472c8af42cf96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7036d929e8c5556aeab20a25ba4fa279e3225d037d84c586f77472c8af42cf96", kill_on_drop: false }`
[INFO] [stdout] 7036d929e8c5556aeab20a25ba4fa279e3225d037d84c586f77472c8af42cf96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 518c51157db5fdc52d86538b9bdeb3cfc14fa2c98de469c64a5f1d1f285bc1ff
[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" "518c51157db5fdc52d86538b9bdeb3cfc14fa2c98de469c64a5f1d1f285bc1ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling automl v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.67s
[INFO] running `Command { std: "docker" "inspect" "518c51157db5fdc52d86538b9bdeb3cfc14fa2c98de469c64a5f1d1f285bc1ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "518c51157db5fdc52d86538b9bdeb3cfc14fa2c98de469c64a5f1d1f285bc1ff", kill_on_drop: false }`
[INFO] [stdout] 518c51157db5fdc52d86538b9bdeb3cfc14fa2c98de469c64a5f1d1f285bc1ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c8c3775cb1a3448c8b0fa34bd5789ab27e9be2f78eaad5221ae4607ae5d544d7
[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" "c8c3775cb1a3448c8b0fa34bd5789ab27e9be2f78eaad5221ae4607ae5d544d7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/automl-2dd83d3f811be9f5)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/classification.rs (/opt/rustwide/target/debug/deps/classification-5ac5f3d731e32b95)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test classification_tests::test_step_by_step has been running for over 60 seconds
[INFO] [stdout] test classification_tests::test_step_by_step ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 68.79s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/regression.rs (/opt/rustwide/target/debug/deps/regression-44ce066c71385bea)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test regression_tests::test_step_by_step ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.37s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests automl
[INFO] [stdout] 
[INFO] [stdout] running 31 tests
[INFO] [stdout] test src/lib.rs - SupervisedModel::predict_from_vec (line 413) - compile ... ok
[INFO] [stdout] test src/lib.rs - SupervisedModel::train (line 217) - compile ... ok
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name automl --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern automl=/opt/rustwide/target/debug/deps/libautoml-93bb37c9568f3c72.rlib --extern bincode=/opt/rustwide/target/debug/deps/libbincode-2a70a085ab4adf9e.rlib --extern comfy_table=/opt/rustwide/target/debug/deps/libcomfy_table-d88f3c4c7c2d99df.rlib --extern humantime=/opt/rustwide/target/debug/deps/libhumantime-04fb9a4c47e8e51e.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-05bbdb40dd0adff7.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-56ac0a6a2d4363c3.rlib --extern smartcore=/opt/rustwide/target/debug/deps/libsmartcore-0ab83c7ed38a069b.rlib -C embed-bitcode=no --cfg 'feature="comfy-table"' --cfg 'feature="default"' --cfg 'feature="display"' --cfg 'feature="humantime"' --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "c8c3775cb1a3448c8b0fa34bd5789ab27e9be2f78eaad5221ae4607ae5d544d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8c3775cb1a3448c8b0fa34bd5789ab27e9be2f78eaad5221ae4607ae5d544d7", kill_on_drop: false }`
[INFO] [stdout] c8c3775cb1a3448c8b0fa34bd5789ab27e9be2f78eaad5221ae4607ae5d544d7