[INFO] fetching crate automl 0.2.2...
[INFO] checking automl-0.2.2 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate automl 0.2.2 into /workspace/builds/worker-113/source
[INFO] validating manifest of crates.io crate automl 0.2.2 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate automl 0.2.2
[INFO] finished tweaking crates.io crate automl 0.2.2
[INFO] tweaked toml for crates.io crate automl 0.2.2 written to /workspace/builds/worker-113/source/Cargo.toml
[INFO] crate crates.io crate automl 0.2.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e58b5151c32a51ecdf8018a5d7999124748bef2cbbe154d2c6543df7c639cdce
[INFO] running `Command { std: "docker" "start" "-a" "e58b5151c32a51ecdf8018a5d7999124748bef2cbbe154d2c6543df7c639cdce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e58b5151c32a51ecdf8018a5d7999124748bef2cbbe154d2c6543df7c639cdce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e58b5151c32a51ecdf8018a5d7999124748bef2cbbe154d2c6543df7c639cdce", kill_on_drop: false }`
[INFO] [stdout] e58b5151c32a51ecdf8018a5d7999124748bef2cbbe154d2c6543df7c639cdce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e7f047ce402b68a896d22ab0cbe50466cab21f2af143284540b2b901949a4ec
[INFO] running `Command { std: "docker" "start" "-a" "6e7f047ce402b68a896d22ab0cbe50466cab21f2af143284540b2b901949a4ec", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling libm v0.2.1
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[INFO] [stderr]     Checking scopeguard v1.1.0
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[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]    Compiling signal-hook v0.3.10
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking smallvec v1.7.0
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[INFO] [stderr]     Checking polars-arrow v0.17.0
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[INFO] [stderr]     Checking polars-io v0.17.0
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[INFO] [stderr]     Checking polars v0.17.0
[INFO] [stderr]     Checking automl v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Classifier`
[INFO] [stdout]  --> examples/maximal_classification_example.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Classifier, Settings,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Regressor`
[INFO] [stdout]  --> examples/maximal_regression_example.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Regressor, Settings,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.52s
[INFO] running `Command { std: "docker" "inspect" "6e7f047ce402b68a896d22ab0cbe50466cab21f2af143284540b2b901949a4ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e7f047ce402b68a896d22ab0cbe50466cab21f2af143284540b2b901949a4ec", kill_on_drop: false }`
[INFO] [stdout] 6e7f047ce402b68a896d22ab0cbe50466cab21f2af143284540b2b901949a4ec