[INFO] cloning repository https://github.com/nirshahar/SVM [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nirshahar/SVM" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnirshahar%2FSVM", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnirshahar%2FSVM'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7471a165f7c255befe27bc55a14fa68dbab86893 [INFO] checking nirshahar/SVM against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnirshahar%2FSVM" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nirshahar/SVM on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/nirshahar/SVM [INFO] finished tweaking git repo https://github.com/nirshahar/SVM [INFO] tweaked toml for git repo https://github.com/nirshahar/SVM written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/nirshahar/SVM already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e99ccbf1d4e543f57b80a1b59969e52fe8e099b02b2dbbb790c9f79817b7424a [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" "e99ccbf1d4e543f57b80a1b59969e52fe8e099b02b2dbbb790c9f79817b7424a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e99ccbf1d4e543f57b80a1b59969e52fe8e099b02b2dbbb790c9f79817b7424a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e99ccbf1d4e543f57b80a1b59969e52fe8e099b02b2dbbb790c9f79817b7424a", kill_on_drop: false }` [INFO] [stdout] e99ccbf1d4e543f57b80a1b59969e52fe8e099b02b2dbbb790c9f79817b7424a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0b87d7328cffd1450f6fb84ec9dda59544101f3f2daafa77b8b2cbd44a34e94e [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" "0b87d7328cffd1450f6fb84ec9dda59544101f3f2daafa77b8b2cbd44a34e94e", kill_on_drop: false }` [INFO] [stderr] Compiling libm v0.2.1 [INFO] [stderr] Compiling libc v0.2.86 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Compiling ndarray v0.14.0 [INFO] [stderr] Checking svg v0.9.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking matrixmultiply v0.2.4 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking num-complex v0.3.1 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking rand_distr v0.4.0 [INFO] [stderr] Checking svm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Shape`, `array` [INFO] [stdout] --> src/kernel.rs:1:15 [INFO] [stdout] | [INFO] [stdout] 1 | use ndarray::{array, Array1, ArrayView1, Shape}; [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Shape`, `array` [INFO] [stdout] --> src/kernel.rs:1:15 [INFO] [stdout] | [INFO] [stdout] 1 | use ndarray::{array, Array1, ArrayView1, Shape}; [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data_points` [INFO] [stdout] --> src/kernel.rs:40:73 [INFO] [stdout] | [INFO] [stdout] 40 | fn learn_model, ArrayView1<'_, f32>) -> f32>(data_points: &[DataPoint], kernel: K) -> Model { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_data_points` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `kernel` [INFO] [stdout] --> src/kernel.rs:40:100 [INFO] [stdout] | [INFO] [stdout] 40 | fn learn_model, ArrayView1<'_, f32>) -> f32>(data_points: &[DataPoint], kernel: K) -> Model { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_kernel` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Model` [INFO] [stdout] --> src/kernel.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct Model<'a, K> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `dual_grad_at_data_point` [INFO] [stdout] --> src/kernel.rs:10:4 [INFO] [stdout] | [INFO] [stdout] 10 | fn dual_grad_at_data_point( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `dual_grad_with_kernel` [INFO] [stdout] --> src/kernel.rs:29:4 [INFO] [stdout] | [INFO] [stdout] 29 | fn dual_grad_with_kernel( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `learn_model` [INFO] [stdout] --> src/kernel.rs:40:4 [INFO] [stdout] | [INFO] [stdout] 40 | fn learn_model, ArrayView1<'_, f32>) -> f32>(data_points: &[DataPoint], kernel: K) -> Model { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `square_kernel` [INFO] [stdout] --> src/kernel.rs:44:4 [INFO] [stdout] | [INFO] [stdout] 44 | fn square_kernel(x1: ArrayView1<'_, f32>, x2: ArrayView1<'_, f32>, r: i32) -> f32 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `rbf_kernel` [INFO] [stdout] --> src/kernel.rs:48:4 [INFO] [stdout] | [INFO] [stdout] 48 | fn rbf_kernel(x1: ArrayView1<'_, f32>, x2: ArrayView1<'_, f32>, sigma: f32) -> f32 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `proj_gd` [INFO] [stdout] --> src/main.rs:93:4 [INFO] [stdout] | [INFO] [stdout] 93 | fn proj_gd

( [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data_points` [INFO] [stdout] --> src/kernel.rs:40:73 [INFO] [stdout] | [INFO] [stdout] 40 | fn learn_model, ArrayView1<'_, f32>) -> f32>(data_points: &[DataPoint], kernel: K) -> Model { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_data_points` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `kernel` [INFO] [stdout] --> src/kernel.rs:40:100 [INFO] [stdout] | [INFO] [stdout] 40 | fn learn_model, ArrayView1<'_, f32>) -> f32>(data_points: &[DataPoint], kernel: K) -> Model { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_kernel` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Model` [INFO] [stdout] --> src/kernel.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct Model<'a, K> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `dual_grad_at_data_point` [INFO] [stdout] --> src/kernel.rs:10:4 [INFO] [stdout] | [INFO] [stdout] 10 | fn dual_grad_at_data_point( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `dual_grad_with_kernel` [INFO] [stdout] --> src/kernel.rs:29:4 [INFO] [stdout] | [INFO] [stdout] 29 | fn dual_grad_with_kernel( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `learn_model` [INFO] [stdout] --> src/kernel.rs:40:4 [INFO] [stdout] | [INFO] [stdout] 40 | fn learn_model, ArrayView1<'_, f32>) -> f32>(data_points: &[DataPoint], kernel: K) -> Model { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `square_kernel` [INFO] [stdout] --> src/kernel.rs:44:4 [INFO] [stdout] | [INFO] [stdout] 44 | fn square_kernel(x1: ArrayView1<'_, f32>, x2: ArrayView1<'_, f32>, r: i32) -> f32 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `rbf_kernel` [INFO] [stdout] --> src/kernel.rs:48:4 [INFO] [stdout] | [INFO] [stdout] 48 | fn rbf_kernel(x1: ArrayView1<'_, f32>, x2: ArrayView1<'_, f32>, sigma: f32) -> f32 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `proj_gd` [INFO] [stdout] --> src/main.rs:93:4 [INFO] [stdout] | [INFO] [stdout] 93 | fn proj_gd

( [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 18.02s [INFO] running `Command { std: "docker" "inspect" "0b87d7328cffd1450f6fb84ec9dda59544101f3f2daafa77b8b2cbd44a34e94e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b87d7328cffd1450f6fb84ec9dda59544101f3f2daafa77b8b2cbd44a34e94e", kill_on_drop: false }` [INFO] [stdout] 0b87d7328cffd1450f6fb84ec9dda59544101f3f2daafa77b8b2cbd44a34e94e