[INFO] fetching crate automl 0.2.7...
[INFO] checking automl-0.2.7 against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] extracting crate automl 0.2.7 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate automl 0.2.7 on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate automl 0.2.7
[INFO] finished tweaking crates.io crate automl 0.2.7
[INFO] tweaked toml for crates.io crate automl 0.2.7 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate automl 0.2.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71b76f0a3109638097fb2bd4e9d01d74417f648bd90bcf7d765833683b4cf29c
[INFO] running `Command { std: "docker" "start" "-a" "71b76f0a3109638097fb2bd4e9d01d74417f648bd90bcf7d765833683b4cf29c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71b76f0a3109638097fb2bd4e9d01d74417f648bd90bcf7d765833683b4cf29c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71b76f0a3109638097fb2bd4e9d01d74417f648bd90bcf7d765833683b4cf29c", kill_on_drop: false }`
[INFO] [stdout] 71b76f0a3109638097fb2bd4e9d01d74417f648bd90bcf7d765833683b4cf29c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4cdb255494caaf9910752e82295f2e13f6f75efcddfdb32149fdb0d6f718450
[INFO] running `Command { std: "docker" "start" "-a" "b4cdb255494caaf9910752e82295f2e13f6f75efcddfdb32149fdb0d6f718450", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.7
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling signal-hook v0.3.15
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking getrandom v0.2.9
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rustversion v1.0.12
[INFO] [stderr]     Checking mio v0.8.7
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking strum v0.23.0
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking crossterm v0.23.2
[INFO] [stderr]     Checking num-complex v0.4.3
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.163
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]    Compiling strum_macros v0.23.1
[INFO] [stderr]     Checking comfy-table v5.0.1
[INFO] [stderr]     Checking serde v1.0.163
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]     Checking smartcore v0.2.1
[INFO] [stderr]     Checking automl v0.2.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/lib.rs:726:49
[INFO] [stdout]     |
[INFO] [stdout] 726 |     fn pca_features(&self, x: DenseMatrix<f32>, n: usize) -> DenseMatrix<f32> {
[INFO] [stdout]     |                                                 ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/lib.rs:740:49
[INFO] [stdout]     |
[INFO] [stdout] 740 |     fn svd_features(&self, x: DenseMatrix<f32>, n: usize) -> DenseMatrix<f32> {
[INFO] [stdout]     |                                                 ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/lib.rs:726:49
[INFO] [stdout]     |
[INFO] [stdout] 726 |     fn pca_features(&self, x: DenseMatrix<f32>, n: usize) -> DenseMatrix<f32> {
[INFO] [stdout]     |                                                 ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/lib.rs:740:49
[INFO] [stdout]     |
[INFO] [stdout] 740 |     fn svd_features(&self, x: DenseMatrix<f32>, n: usize) -> DenseMatrix<f32> {
[INFO] [stdout]     |                                                 ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.18s
[INFO] running `Command { std: "docker" "inspect" "b4cdb255494caaf9910752e82295f2e13f6f75efcddfdb32149fdb0d6f718450", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4cdb255494caaf9910752e82295f2e13f6f75efcddfdb32149fdb0d6f718450", kill_on_drop: false }`
[INFO] [stdout] b4cdb255494caaf9910752e82295f2e13f6f75efcddfdb32149fdb0d6f718450
