[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] testing nirshahar/SVM against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnirshahar%2FSVM" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [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-1-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/nirshahar/SVM on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/nirshahar/SVM 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded svg v0.9.0 [INFO] [stderr] Downloaded matrixmultiply v0.2.4 [INFO] [stderr] Downloaded rand_distr v0.4.0 [INFO] [stderr] Downloaded ndarray v0.14.0 [INFO] [stderr] Downloaded libm v0.2.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e5237dce4536af3797c6e370ad30410d83880ceb8123647bf4f2faea08df28bf [INFO] running `Command { std: "docker" "start" "-a" "e5237dce4536af3797c6e370ad30410d83880ceb8123647bf4f2faea08df28bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e5237dce4536af3797c6e370ad30410d83880ceb8123647bf4f2faea08df28bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e5237dce4536af3797c6e370ad30410d83880ceb8123647bf4f2faea08df28bf", kill_on_drop: false }` [INFO] [stdout] e5237dce4536af3797c6e370ad30410d83880ceb8123647bf4f2faea08df28bf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 4f1b1a2c8baeb6ae10b5ad3d9fd9acf72ea09cee95358ae200118351563185d7 [INFO] running `Command { std: "docker" "start" "-a" "4f1b1a2c8baeb6ae10b5ad3d9fd9acf72ea09cee95358ae200118351563185d7", kill_on_drop: false }` [INFO] [stderr] Compiling libm v0.2.1 [INFO] [stderr] Compiling libc v0.2.86 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling rawpointer v0.2.1 [INFO] [stderr] Compiling ndarray v0.14.0 [INFO] [stderr] Compiling svg v0.9.0 [INFO] [stderr] Compiling matrixmultiply v0.2.4 [INFO] [stderr] Compiling rand_core v0.6.2 [INFO] [stderr] Compiling rand_chacha v0.3.0 [INFO] [stderr] Compiling num-complex v0.3.1 [INFO] [stderr] Compiling rand v0.8.3 [INFO] [stderr] Compiling rand_distr v0.4.0 [INFO] [stderr] Compiling svm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Shape` and `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: function `proj_gd` is never used [INFO] [stdout] --> src/main.rs:93:4 [INFO] [stdout] | [INFO] [stdout] 93 | fn proj_gd

( [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Model` is never constructed [INFO] [stdout] --> src/kernel.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct Model<'a, K> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `dual_grad_at_data_point` is never used [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 `dual_grad_with_kernel` is never used [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 `learn_model` is never used [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 `square_kernel` is never used [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 `rbf_kernel` is never used [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: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/kernel.rs:40:86 [INFO] [stdout] | [INFO] [stdout] 40 | fn learn_model, ArrayView1<'_, f32>) -> f32>(data_points: &[DataPoint], kernel: K) -> Model { [INFO] [stdout] | ^^^^^^^^^^^^ -------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 40 | fn learn_model, ArrayView1<'_, f32>) -> f32>(data_points: &[DataPoint], kernel: K) -> Model<'_, K> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.00s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: svg v0.9.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4` [INFO] running `Command { std: "docker" "inspect" "4f1b1a2c8baeb6ae10b5ad3d9fd9acf72ea09cee95358ae200118351563185d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4f1b1a2c8baeb6ae10b5ad3d9fd9acf72ea09cee95358ae200118351563185d7", kill_on_drop: false }` [INFO] [stdout] 4f1b1a2c8baeb6ae10b5ad3d9fd9acf72ea09cee95358ae200118351563185d7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 2774b169a4176802ec0b8deb1950bf35ff75e898dd1cd3cda586fd1b8b29f5c3 [INFO] running `Command { std: "docker" "start" "-a" "2774b169a4176802ec0b8deb1950bf35ff75e898dd1cd3cda586fd1b8b29f5c3", kill_on_drop: false }` [INFO] [stderr] Compiling svm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Shape` and `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: function `proj_gd` is never used [INFO] [stdout] --> src/main.rs:93:4 [INFO] [stdout] | [INFO] [stdout] 93 | fn proj_gd

( [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Model` is never constructed [INFO] [stdout] --> src/kernel.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct Model<'a, K> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `dual_grad_at_data_point` is never used [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 `dual_grad_with_kernel` is never used [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 `learn_model` is never used [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 `square_kernel` is never used [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 `rbf_kernel` is never used [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: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/kernel.rs:40:86 [INFO] [stdout] | [INFO] [stdout] 40 | fn learn_model, ArrayView1<'_, f32>) -> f32>(data_points: &[DataPoint], kernel: K) -> Model { [INFO] [stdout] | ^^^^^^^^^^^^ -------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 40 | fn learn_model, ArrayView1<'_, f32>) -> f32>(data_points: &[DataPoint], kernel: K) -> Model<'_, K> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.60s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: svg v0.9.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4` [INFO] running `Command { std: "docker" "inspect" "2774b169a4176802ec0b8deb1950bf35ff75e898dd1cd3cda586fd1b8b29f5c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2774b169a4176802ec0b8deb1950bf35ff75e898dd1cd3cda586fd1b8b29f5c3", kill_on_drop: false }` [INFO] [stdout] 2774b169a4176802ec0b8deb1950bf35ff75e898dd1cd3cda586fd1b8b29f5c3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] bbcba635bfa1c684bcbfc0b2b8769db2704118e8b3b332981d9d8eeaf0c3b905 [INFO] running `Command { std: "docker" "start" "-a" "bbcba635bfa1c684bcbfc0b2b8769db2704118e8b3b332981d9d8eeaf0c3b905", kill_on_drop: false }` [INFO] [stderr] warning: unused imports: `Shape` and `array` [INFO] [stderr] --> src/kernel.rs:1:15 [INFO] [stderr] | [INFO] [stderr] 1 | use ndarray::{array, Array1, ArrayView1, Shape}; [INFO] [stderr] | ^^^^^ ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `data_points` [INFO] [stderr] --> src/kernel.rs:40:73 [INFO] [stderr] | [INFO] [stderr] 40 | fn learn_model, ArrayView1<'_, f32>) -> f32>(data_points: &[DataPoint], kernel: K) -> Model { [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_data_points` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `kernel` [INFO] [stderr] --> src/kernel.rs:40:100 [INFO] [stderr] | [INFO] [stderr] 40 | fn learn_model, ArrayView1<'_, f32>) -> f32>(data_points: &[DataPoint], kernel: K) -> Model { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_kernel` [INFO] [stderr] [INFO] [stderr] warning: function `proj_gd` is never used [INFO] [stderr] --> src/main.rs:93:4 [INFO] [stderr] | [INFO] [stderr] 93 | fn proj_gd

( [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct `Model` is never constructed [INFO] [stderr] --> src/kernel.rs:5:8 [INFO] [stderr] | [INFO] [stderr] 5 | struct Model<'a, K> { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `dual_grad_at_data_point` is never used [INFO] [stderr] --> src/kernel.rs:10:4 [INFO] [stderr] | [INFO] [stderr] 10 | fn dual_grad_at_data_point( [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `dual_grad_with_kernel` is never used [INFO] [stderr] --> src/kernel.rs:29:4 [INFO] [stderr] | [INFO] [stderr] 29 | fn dual_grad_with_kernel( [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `learn_model` is never used [INFO] [stderr] --> src/kernel.rs:40:4 [INFO] [stderr] | [INFO] [stderr] 40 | fn learn_model, ArrayView1<'_, f32>) -> f32>(data_points: &[DataPoint], kernel: K) -> Model { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `square_kernel` is never used [INFO] [stderr] --> src/kernel.rs:44:4 [INFO] [stderr] | [INFO] [stderr] 44 | fn square_kernel(x1: ArrayView1<'_, f32>, x2: ArrayView1<'_, f32>, r: i32) -> f32 { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `rbf_kernel` is never used [INFO] [stderr] --> src/kernel.rs:48:4 [INFO] [stderr] | [INFO] [stderr] 48 | fn rbf_kernel(x1: ArrayView1<'_, f32>, x2: ArrayView1<'_, f32>, sigma: f32) -> f32 { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stderr] --> src/kernel.rs:40:86 [INFO] [stderr] | [INFO] [stderr] 40 | fn learn_model, ArrayView1<'_, f32>) -> f32>(data_points: &[DataPoint], kernel: K) -> Model { [INFO] [stderr] | ^^^^^^^^^^^^ -------- the lifetime gets resolved as `'_` [INFO] [stderr] | | [INFO] [stderr] | this lifetime flows to the output [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stderr] | [INFO] [stderr] 40 | fn learn_model, ArrayView1<'_, f32>) -> f32>(data_points: &[DataPoint], kernel: K) -> Model<'_, K> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `svm` (bin "svm" test) generated 11 warnings (run `cargo fix --bin "svm" --tests` to apply 2 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: svg v0.9.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4` [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/svm-56bc06cb9c6105cc) [INFO] [stdout] [INFO] [stdout] running 0 tests [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] running `Command { std: "docker" "inspect" "bbcba635bfa1c684bcbfc0b2b8769db2704118e8b3b332981d9d8eeaf0c3b905", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bbcba635bfa1c684bcbfc0b2b8769db2704118e8b3b332981d9d8eeaf0c3b905", kill_on_drop: false }` [INFO] [stdout] bbcba635bfa1c684bcbfc0b2b8769db2704118e8b3b332981d9d8eeaf0c3b905