[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 1.91.0 for beta-1.92-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnirshahar%2FSVM" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-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-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nirshahar/SVM on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_core v0.6.2
[INFO] [stderr]   Downloaded rand v0.8.3
[INFO] [stderr]   Downloaded getrandom v0.2.2
[INFO] [stderr]   Downloaded matrixmultiply v0.2.4
[INFO] [stderr]   Downloaded libc v0.2.86
[INFO] [stderr]   Downloaded svg v0.9.0
[INFO] [stderr]   Downloaded rand_distr v0.4.0
[INFO] [stderr]   Downloaded ndarray v0.14.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 682db0ff67c5c9aee6beb8bc90d41f0cbea7b373071f92d5bd468fa37fe9dc76
[INFO] running `Command { std: "docker" "start" "-a" "682db0ff67c5c9aee6beb8bc90d41f0cbea7b373071f92d5bd468fa37fe9dc76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "682db0ff67c5c9aee6beb8bc90d41f0cbea7b373071f92d5bd468fa37fe9dc76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "682db0ff67c5c9aee6beb8bc90d41f0cbea7b373071f92d5bd468fa37fe9dc76", kill_on_drop: false }`
[INFO] [stdout] 682db0ff67c5c9aee6beb8bc90d41f0cbea7b373071f92d5bd468fa37fe9dc76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f1ebda7c03470acfd2c436cfe34e810923fb0616b7a53c6181aaba0afeb0357
[INFO] running `Command { std: "docker" "start" "-a" "0f1ebda7c03470acfd2c436cfe34e810923fb0616b7a53c6181aaba0afeb0357", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling ndarray v0.14.0
[INFO] [stderr]    Compiling svg v0.9.0
[INFO] [stderr]    Compiling matrixmultiply v0.2.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[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)]` (part of `#[warn(unused)]`) 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<K : Fn(ArrayView1<'_, f32>, ArrayView1<'_, f32>) -> f32>(data_points: &[DataPoint], kernel: K) -> Model<K> {
[INFO] [stdout]    |                                                                         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_data_points`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) 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<K : Fn(ArrayView1<'_, f32>, ArrayView1<'_, f32>) -> f32>(data_points: &[DataPoint], kernel: K) -> Model<K> {
[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<P>(
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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<K : Fn(ArrayView1<'_, f32>, ArrayView1<'_, f32>) -> f32>(data_points: &[DataPoint], kernel: K) -> Model<K> {
[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: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/kernel.rs:40:86
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn learn_model<K : Fn(ArrayView1<'_, f32>, ArrayView1<'_, f32>) -> f32>(data_points: &[DataPoint], kernel: K) -> Model<K> {
[INFO] [stdout]    |                                                                                      ^^^^^^^^^^^^                ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                                                                      |
[INFO] [stdout]    |                                                                                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn learn_model<K : Fn(ArrayView1<'_, f32>, 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 7.21s
[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 2`
[INFO] running `Command { std: "docker" "inspect" "0f1ebda7c03470acfd2c436cfe34e810923fb0616b7a53c6181aaba0afeb0357", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f1ebda7c03470acfd2c436cfe34e810923fb0616b7a53c6181aaba0afeb0357", kill_on_drop: false }`
[INFO] [stdout] 0f1ebda7c03470acfd2c436cfe34e810923fb0616b7a53c6181aaba0afeb0357
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d542b0bf8cfc281369dd5d480da10dc1ca4cf4b2a56d49346b0a03e1e998c540
[INFO] running `Command { std: "docker" "start" "-a" "d542b0bf8cfc281369dd5d480da10dc1ca4cf4b2a56d49346b0a03e1e998c540", 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)]` (part of `#[warn(unused)]`) 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<K : Fn(ArrayView1<'_, f32>, ArrayView1<'_, f32>) -> f32>(data_points: &[DataPoint], kernel: K) -> Model<K> {
[INFO] [stdout]    |                                                                         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_data_points`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) 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<K : Fn(ArrayView1<'_, f32>, ArrayView1<'_, f32>) -> f32>(data_points: &[DataPoint], kernel: K) -> Model<K> {
[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<P>(
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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<K : Fn(ArrayView1<'_, f32>, ArrayView1<'_, f32>) -> f32>(data_points: &[DataPoint], kernel: K) -> Model<K> {
[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: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/kernel.rs:40:86
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn learn_model<K : Fn(ArrayView1<'_, f32>, ArrayView1<'_, f32>) -> f32>(data_points: &[DataPoint], kernel: K) -> Model<K> {
[INFO] [stdout]    |                                                                                      ^^^^^^^^^^^^                ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                                                                      |
[INFO] [stdout]    |                                                                                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn learn_model<K : Fn(ArrayView1<'_, f32>, 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 0.42s
[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 2`
[INFO] running `Command { std: "docker" "inspect" "d542b0bf8cfc281369dd5d480da10dc1ca4cf4b2a56d49346b0a03e1e998c540", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d542b0bf8cfc281369dd5d480da10dc1ca4cf4b2a56d49346b0a03e1e998c540", kill_on_drop: false }`
[INFO] [stdout] d542b0bf8cfc281369dd5d480da10dc1ca4cf4b2a56d49346b0a03e1e998c540
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 01d1fb157cba4bbe21635581f5ce2a4c364472feb855b042e7fe1d3f5f3ae786
[INFO] running `Command { std: "docker" "start" "-a" "01d1fb157cba4bbe21635581f5ce2a4c364472feb855b042e7fe1d3f5f3ae786", 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)]` (part of `#[warn(unused)]`) 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<K : Fn(ArrayView1<'_, f32>, ArrayView1<'_, f32>) -> f32>(data_points: &[DataPoint], kernel: K) -> Model<K> {
[INFO] [stderr]    |                                                                         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_data_points`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) 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<K : Fn(ArrayView1<'_, f32>, ArrayView1<'_, f32>) -> f32>(data_points: &[DataPoint], kernel: K) -> Model<K> {
[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<P>(
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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<K : Fn(ArrayView1<'_, f32>, ArrayView1<'_, f32>) -> f32>(data_points: &[DataPoint], kernel: K) -> Model<K> {
[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: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/kernel.rs:40:86
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn learn_model<K : Fn(ArrayView1<'_, f32>, ArrayView1<'_, f32>) -> f32>(data_points: &[DataPoint], kernel: K) -> Model<K> {
[INFO] [stderr]    |                                                                                      ^^^^^^^^^^^^                ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                                                                                      |
[INFO] [stderr]    |                                                                                      the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn learn_model<K : Fn(ArrayView1<'_, f32>, 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 0.05s
[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 2`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/svm-93e02274bdbbf506)
[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" "01d1fb157cba4bbe21635581f5ce2a4c364472feb855b042e7fe1d3f5f3ae786", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01d1fb157cba4bbe21635581f5ce2a4c364472feb855b042e7fe1d3f5f3ae786", kill_on_drop: false }`
[INFO] [stdout] 01d1fb157cba4bbe21635581f5ce2a4c364472feb855b042e7fe1d3f5f3ae786
