[INFO] updating cached repository elbaro/perceptron
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/elbaro/perceptron
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/elbaro/perceptron" "work/ex/clippy-test-run/sources/stable/gh/elbaro/perceptron"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/elbaro/perceptron'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/elbaro/perceptron" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/elbaro/perceptron"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/elbaro/perceptron'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5e07791c29e368b18d8b4f2be7140692c7624f5b
[INFO] sha for GitHub repo elbaro/perceptron: 5e07791c29e368b18d8b4f2be7140692c7624f5b
[INFO] validating manifest of elbaro/perceptron on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of elbaro/perceptron on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing elbaro/perceptron
[INFO] finished frobbing elbaro/perceptron
[INFO] frobbed toml for elbaro/perceptron written to work/ex/clippy-test-run/sources/stable/gh/elbaro/perceptron/Cargo.toml
[INFO] started frobbing elbaro/perceptron
[INFO] finished frobbing elbaro/perceptron
[INFO] frobbed toml for elbaro/perceptron written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/elbaro/perceptron/Cargo.toml
[INFO] crate elbaro/perceptron has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting elbaro/perceptron against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/elbaro/perceptron:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e618637f70fc7795f34f494a8409df1579df89b5fc19817eedb2cc71a78f17da
[INFO] running `"docker" "start" "-a" "e618637f70fc7795f34f494a8409df1579df89b5fc19817eedb2cc71a78f17da"`
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]     Checking sample v0.9.1
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking rosc v0.1.5
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking x11-dl v2.18.3
[INFO] [stderr]    Compiling syn v0.15.18
[INFO] [stderr]    Compiling glutin v0.17.0
[INFO] [stderr]    Compiling glium v0.22.0
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking cpal v0.8.2
[INFO] [stderr]     Checking noise v0.4.1
[INFO] [stderr]    Compiling phf_codegen v0.7.23
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking rusttype v0.5.2
[INFO] [stderr]     Checking daggy v0.5.0
[INFO] [stderr]     Checking daggy v0.6.0
[INFO] [stderr]    Compiling palette v0.2.1
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking wayland-client v0.20.12
[INFO] [stderr]     Checking pennereq v0.2.0
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]     Checking wayland-protocols v0.20.12
[INFO] [stderr]     Checking smithay-client-toolkit v0.2.6
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking winit v0.16.2
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking pistoncore-input v0.21.0
[INFO] [stderr]     Checking serde_json v1.0.32
[INFO] [stderr]     Checking toml v0.4.8
[INFO] [stderr]     Checking conrod v0.61.1
[INFO] [stderr]     Checking nannou v0.8.0
[INFO] [stderr]     Checking svm v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: casting i8 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:79:48
[INFO] [stderr]    |
[INFO] [stderr] 79 |                 model.l.w.x += learning_rate * sample.label as f32 * sample.point.x;
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^^^ help: try: `f32::from(sample.label)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i8 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:80:48
[INFO] [stderr]    |
[INFO] [stderr] 80 |                 model.l.w.y += learning_rate * sample.label as f32 * sample.point.y;
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^^^ help: try: `f32::from(sample.label)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i8 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:81:46
[INFO] [stderr]    |
[INFO] [stderr] 81 |                 model.l.b += learning_rate * sample.label as f32 * 1.0;
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^^^^ help: try: `f32::from(sample.label)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i8 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:79:48
[INFO] [stderr]    |
[INFO] [stderr] 79 |                 model.l.w.x += learning_rate * sample.label as f32 * sample.point.x;
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^^^ help: try: `f32::from(sample.label)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i8 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:80:48
[INFO] [stderr]    |
[INFO] [stderr] 80 |                 model.l.w.y += learning_rate * sample.label as f32 * sample.point.y;
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^^^ help: try: `f32::from(sample.label)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i8 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:81:46
[INFO] [stderr]    |
[INFO] [stderr] 81 |                 model.l.b += learning_rate * sample.label as f32 * 1.0;
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^^^^ help: try: `f32::from(sample.label)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 01s
[INFO] running `"docker" "inspect" "e618637f70fc7795f34f494a8409df1579df89b5fc19817eedb2cc71a78f17da"`
[INFO] running `"docker" "rm" "-f" "e618637f70fc7795f34f494a8409df1579df89b5fc19817eedb2cc71a78f17da"`
[INFO] [stdout] e618637f70fc7795f34f494a8409df1579df89b5fc19817eedb2cc71a78f17da