[INFO] cloning repository https://github.com/MrLeaw/rust-deep-learning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MrLeaw/rust-deep-learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMrLeaw%2Frust-deep-learning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMrLeaw%2Frust-deep-learning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 906b096aff71cefa2c0fcea25446d76d16c25ad0
[INFO] testing MrLeaw/rust-deep-learning against 1.90.0 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMrLeaw%2Frust-deep-learning" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/MrLeaw/rust-deep-learning
[INFO] finished tweaking git repo https://github.com/MrLeaw/rust-deep-learning
[INFO] tweaked toml for git repo https://github.com/MrLeaw/rust-deep-learning written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MrLeaw/rust-deep-learning on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/MrLeaw/rust-deep-learning 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded console v0.15.10
[INFO] [stderr]   Downloaded indicatif v0.17.9
[INFO] [stderr]   Downloaded portable-atomic v1.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cce6ea8666f54e8f1b187b2c468b4a3fffca5e5498d6b8425a4b8cddc6f233ef
[INFO] running `Command { std: "docker" "start" "-a" "cce6ea8666f54e8f1b187b2c468b4a3fffca5e5498d6b8425a4b8cddc6f233ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cce6ea8666f54e8f1b187b2c468b4a3fffca5e5498d6b8425a4b8cddc6f233ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cce6ea8666f54e8f1b187b2c468b4a3fffca5e5498d6b8425a4b8cddc6f233ef", kill_on_drop: false }`
[INFO] [stdout] cce6ea8666f54e8f1b187b2c468b4a3fffca5e5498d6b8425a4b8cddc6f233ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3608fb7e1b162c718a46e5f0bffe5a3a9c886aa38e4b65d739b83663e22d0c4d
[INFO] running `Command { std: "docker" "start" "-a" "3608fb7e1b162c718a46e5f0bffe5a3a9c886aa38e4b65d739b83663e22d0c4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling portable-atomic v1.10.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.85
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling console v0.15.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling indicatif v0.17.9
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling deep-learning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `estimator_index`
[INFO] [stdout]   --> src/gradient_boosting_machine.rs:52:17
[INFO] [stdout]    |
[INFO] [stdout] 52 |             for estimator_index in 0..self.n_estimators {
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_estimator_index`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `activation`
[INFO] [stdout]    --> src/fully_connected_neural_network.rs:148:42
[INFO] [stdout]     |
[INFO] [stdout] 148 |     fn forward(&self, inputs: &Vec<f64>, activation: &Activation) -> f64 {
[INFO] [stdout]     |                                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_activation`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/fully_connected_neural_network.rs:285:13
[INFO] [stdout]     |
[INFO] [stdout] 285 |         let mut output_layer_inputs = layer_outputs.last().unwrap_or(&inputs).clone();
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `kernel_linear` is never used
[INFO] [stdout]    --> src/support_vector_machine.rs:206:8
[INFO] [stdout]     |
[INFO] [stdout]  12 | impl SupportVectorMachine {
[INFO] [stdout]     | ------------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 206 |     fn kernel_linear(x1: &Vec<f64>, x2: &Vec<f64>) -> f64 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `standardize` is never used
[INFO] [stdout]    --> src/support_vector_machine.rs:246:4
[INFO] [stdout]     |
[INFO] [stdout] 246 | fn standardize(data: &mut Vec<Vec<f64>>) {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `convert_y` is never used
[INFO] [stdout]    --> src/support_vector_machine.rs:280:4
[INFO] [stdout]     |
[INFO] [stdout] 280 | fn convert_y(y: Vec<f64>) -> Vec<f64> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sigmoid` is never used
[INFO] [stdout]  --> src/fully_connected_neural_network.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn sigmoid(x: f64) -> f64 {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `relu` is never used
[INFO] [stdout]  --> src/fully_connected_neural_network.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn relu(x: f64) -> f64 {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `linear` is never used
[INFO] [stdout]   --> src/fully_connected_neural_network.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn linear(x: f64) -> f64 {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `leaky_relu` is never used
[INFO] [stdout]   --> src/fully_connected_neural_network.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn leaky_relu(x: f64) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `softmax` is never used
[INFO] [stdout]   --> src/fully_connected_neural_network.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn softmax(x: Vec<f64>) -> Vec<f64> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Activation` is never used
[INFO] [stdout]   --> src/fully_connected_neural_network.rs:34:6
[INFO] [stdout]    |
[INFO] [stdout] 34 | enum Activation {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ModelBuilder` is never constructed
[INFO] [stdout]   --> src/fully_connected_neural_network.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | struct ModelBuilder {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `input_nodes`, `hidden_layer`, `output_nodes`, and `build` are never used
[INFO] [stdout]   --> src/fully_connected_neural_network.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | impl ModelBuilder {
[INFO] [stdout]    | ----------------- associated items in this implementation
[INFO] [stdout] 49 |     pub fn new() -> ModelBuilder {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn input_nodes(&mut self, num_input_nodes: usize) -> &mut Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     pub fn hidden_layer(&mut self, num_nodes: usize, activation: Activation) -> &mut Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |     pub fn output_nodes(&mut self, num_output_nodes: usize, activation: Activation) -> &mut Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     pub fn build(&self) -> NeuralNetwork {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `activate`, `activate_vector`, and `derivative` are never used
[INFO] [stdout]    --> src/fully_connected_neural_network.rs:83:8
[INFO] [stdout]     |
[INFO] [stdout]  82 | impl Activation {
[INFO] [stdout]     | --------------- methods in this implementation
[INFO] [stdout]  83 |     fn activate(&self, x: f64) -> f64 {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  93 |     fn activate_vector(&self, x: Vec<f64>) -> Vec<f64> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |     fn derivative(&self, x: f64) -> f64 {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]    --> src/fully_connected_neural_network.rs:124:8
[INFO] [stdout]     |
[INFO] [stdout] 124 | struct Node {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `forward` are never used
[INFO] [stdout]    --> src/fully_connected_neural_network.rs:141:8
[INFO] [stdout]     |
[INFO] [stdout] 140 | impl Node {
[INFO] [stdout]     | --------- associated items in this implementation
[INFO] [stdout] 141 |     fn new(num_weights: usize) -> Node {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 148 |     fn forward(&self, inputs: &Vec<f64>, activation: &Activation) -> f64 {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NeuralNetwork` is never constructed
[INFO] [stdout]    --> src/fully_connected_neural_network.rs:170:8
[INFO] [stdout]     |
[INFO] [stdout] 170 | struct NeuralNetwork {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/fully_connected_neural_network.rs:185:8
[INFO] [stdout]     |
[INFO] [stdout] 184 | impl NeuralNetwork {
[INFO] [stdout]     | ------------------ associated items in this implementation
[INFO] [stdout] 185 |     fn new(
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 213 |     pub fn predict(&self, inputs: Vec<Vec<f64>>) -> Vec<Vec<f64>> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 217 |     pub fn predict_one(&self, inputs: Vec<f64>) -> Vec<f64> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 222 |     fn forward(&self, inputs: &Vec<f64>) -> Vec<f64> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 240 |     fn train(&mut self, train_x: Vec<Vec<f64>>, train_y: Vec<Vec<f64>>, lr: f64, iters: u64) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 258 |     fn mse(&self, x_train: Vec<Vec<f64>>, y_train: Vec<f64>) -> f64 {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 271 |     fn train_iter(&mut self, inputs: &Vec<f64>, targets: &Vec<f64>, lr: f64) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `normalize_x_y` is never used
[INFO] [stdout]    --> src/fully_connected_neural_network.rs:366:4
[INFO] [stdout]     |
[INFO] [stdout] 366 | fn normalize_x_y(x: &mut Vec<Vec<f64>>, y: &mut Vec<f64>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `normalize_column` is never used
[INFO] [stdout]    --> src/fully_connected_neural_network.rs:378:4
[INFO] [stdout]     |
[INFO] [stdout] 378 | fn normalize_column(column: &mut Vec<f64>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `transpose` is never used
[INFO] [stdout]    --> src/fully_connected_neural_network.rs:386:4
[INFO] [stdout]     |
[INFO] [stdout] 386 | fn transpose(x: &Vec<Vec<f64>>) -> Vec<Vec<f64>> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_logistic_regression_iris` is never used
[INFO] [stdout]    --> src/main.rs:183:4
[INFO] [stdout]     |
[INFO] [stdout] 183 | fn run_logistic_regression_iris() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.35s
[INFO] running `Command { std: "docker" "inspect" "3608fb7e1b162c718a46e5f0bffe5a3a9c886aa38e4b65d739b83663e22d0c4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3608fb7e1b162c718a46e5f0bffe5a3a9c886aa38e4b65d739b83663e22d0c4d", kill_on_drop: false }`
[INFO] [stdout] 3608fb7e1b162c718a46e5f0bffe5a3a9c886aa38e4b65d739b83663e22d0c4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20dc3ee8651d4f8c759f0c5c0538f5f927d44643b9e228d11ec425df4855a619
[INFO] running `Command { std: "docker" "start" "-a" "20dc3ee8651d4f8c759f0c5c0538f5f927d44643b9e228d11ec425df4855a619", kill_on_drop: false }`
[INFO] [stderr]    Compiling deep-learning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `estimator_index`
[INFO] [stdout]   --> src/gradient_boosting_machine.rs:52:17
[INFO] [stdout]    |
[INFO] [stdout] 52 |             for estimator_index in 0..self.n_estimators {
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_estimator_index`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `activation`
[INFO] [stdout]    --> src/fully_connected_neural_network.rs:148:42
[INFO] [stdout]     |
[INFO] [stdout] 148 |     fn forward(&self, inputs: &Vec<f64>, activation: &Activation) -> f64 {
[INFO] [stdout]     |                                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_activation`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/fully_connected_neural_network.rs:285:13
[INFO] [stdout]     |
[INFO] [stdout] 285 |         let mut output_layer_inputs = layer_outputs.last().unwrap_or(&inputs).clone();
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `kernel_linear` is never used
[INFO] [stdout]    --> src/support_vector_machine.rs:206:8
[INFO] [stdout]     |
[INFO] [stdout]  12 | impl SupportVectorMachine {
[INFO] [stdout]     | ------------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 206 |     fn kernel_linear(x1: &Vec<f64>, x2: &Vec<f64>) -> f64 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `standardize` is never used
[INFO] [stdout]    --> src/support_vector_machine.rs:246:4
[INFO] [stdout]     |
[INFO] [stdout] 246 | fn standardize(data: &mut Vec<Vec<f64>>) {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `convert_y` is never used
[INFO] [stdout]    --> src/support_vector_machine.rs:280:4
[INFO] [stdout]     |
[INFO] [stdout] 280 | fn convert_y(y: Vec<f64>) -> Vec<f64> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sigmoid` is never used
[INFO] [stdout]  --> src/fully_connected_neural_network.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn sigmoid(x: f64) -> f64 {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `relu` is never used
[INFO] [stdout]  --> src/fully_connected_neural_network.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn relu(x: f64) -> f64 {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `linear` is never used
[INFO] [stdout]   --> src/fully_connected_neural_network.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn linear(x: f64) -> f64 {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `leaky_relu` is never used
[INFO] [stdout]   --> src/fully_connected_neural_network.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn leaky_relu(x: f64) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `softmax` is never used
[INFO] [stdout]   --> src/fully_connected_neural_network.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn softmax(x: Vec<f64>) -> Vec<f64> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Activation` is never used
[INFO] [stdout]   --> src/fully_connected_neural_network.rs:34:6
[INFO] [stdout]    |
[INFO] [stdout] 34 | enum Activation {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ModelBuilder` is never constructed
[INFO] [stdout]   --> src/fully_connected_neural_network.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | struct ModelBuilder {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `input_nodes`, `hidden_layer`, `output_nodes`, and `build` are never used
[INFO] [stdout]   --> src/fully_connected_neural_network.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | impl ModelBuilder {
[INFO] [stdout]    | ----------------- associated items in this implementation
[INFO] [stdout] 49 |     pub fn new() -> ModelBuilder {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn input_nodes(&mut self, num_input_nodes: usize) -> &mut Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     pub fn hidden_layer(&mut self, num_nodes: usize, activation: Activation) -> &mut Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |     pub fn output_nodes(&mut self, num_output_nodes: usize, activation: Activation) -> &mut Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     pub fn build(&self) -> NeuralNetwork {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `activate`, `activate_vector`, and `derivative` are never used
[INFO] [stdout]    --> src/fully_connected_neural_network.rs:83:8
[INFO] [stdout]     |
[INFO] [stdout]  82 | impl Activation {
[INFO] [stdout]     | --------------- methods in this implementation
[INFO] [stdout]  83 |     fn activate(&self, x: f64) -> f64 {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  93 |     fn activate_vector(&self, x: Vec<f64>) -> Vec<f64> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |     fn derivative(&self, x: f64) -> f64 {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]    --> src/fully_connected_neural_network.rs:124:8
[INFO] [stdout]     |
[INFO] [stdout] 124 | struct Node {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `forward` are never used
[INFO] [stdout]    --> src/fully_connected_neural_network.rs:141:8
[INFO] [stdout]     |
[INFO] [stdout] 140 | impl Node {
[INFO] [stdout]     | --------- associated items in this implementation
[INFO] [stdout] 141 |     fn new(num_weights: usize) -> Node {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 148 |     fn forward(&self, inputs: &Vec<f64>, activation: &Activation) -> f64 {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NeuralNetwork` is never constructed
[INFO] [stdout]    --> src/fully_connected_neural_network.rs:170:8
[INFO] [stdout]     |
[INFO] [stdout] 170 | struct NeuralNetwork {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/fully_connected_neural_network.rs:185:8
[INFO] [stdout]     |
[INFO] [stdout] 184 | impl NeuralNetwork {
[INFO] [stdout]     | ------------------ associated items in this implementation
[INFO] [stdout] 185 |     fn new(
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 213 |     pub fn predict(&self, inputs: Vec<Vec<f64>>) -> Vec<Vec<f64>> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 217 |     pub fn predict_one(&self, inputs: Vec<f64>) -> Vec<f64> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 222 |     fn forward(&self, inputs: &Vec<f64>) -> Vec<f64> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 240 |     fn train(&mut self, train_x: Vec<Vec<f64>>, train_y: Vec<Vec<f64>>, lr: f64, iters: u64) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 258 |     fn mse(&self, x_train: Vec<Vec<f64>>, y_train: Vec<f64>) -> f64 {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 271 |     fn train_iter(&mut self, inputs: &Vec<f64>, targets: &Vec<f64>, lr: f64) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `normalize_x_y` is never used
[INFO] [stdout]    --> src/fully_connected_neural_network.rs:366:4
[INFO] [stdout]     |
[INFO] [stdout] 366 | fn normalize_x_y(x: &mut Vec<Vec<f64>>, y: &mut Vec<f64>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `normalize_column` is never used
[INFO] [stdout]    --> src/fully_connected_neural_network.rs:378:4
[INFO] [stdout]     |
[INFO] [stdout] 378 | fn normalize_column(column: &mut Vec<f64>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `transpose` is never used
[INFO] [stdout]    --> src/fully_connected_neural_network.rs:386:4
[INFO] [stdout]     |
[INFO] [stdout] 386 | fn transpose(x: &Vec<Vec<f64>>) -> Vec<Vec<f64>> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `load_iris_dataset`
[INFO] [stdout]    --> src/gradient_boosting_machine.rs:149:55
[INFO] [stdout]     |
[INFO] [stdout] 149 |     use crate::datasets::{load_breast_cancer_dataset, load_iris_dataset, train_test_split};
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entr`
[INFO] [stdout]    --> src/decision_tree.rs:391:13
[INFO] [stdout]     |
[INFO] [stdout] 391 |         let entr = entropy(&data);
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_entr`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `score`
[INFO] [stdout]    --> src/decision_tree.rs:410:17
[INFO] [stdout]     |
[INFO] [stdout] 410 |             let score = information_gain(&y, &val, 2.5);
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_score`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `estimator_index`
[INFO] [stdout]   --> src/gradient_boosting_machine.rs:52:17
[INFO] [stdout]    |
[INFO] [stdout] 52 |             for estimator_index in 0..self.n_estimators {
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_estimator_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_logistic_regression_iris` is never used
[INFO] [stdout]    --> src/main.rs:183:4
[INFO] [stdout]     |
[INFO] [stdout] 183 | fn run_logistic_regression_iris() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `activation`
[INFO] [stdout]    --> src/fully_connected_neural_network.rs:148:42
[INFO] [stdout]     |
[INFO] [stdout] 148 |     fn forward(&self, inputs: &Vec<f64>, activation: &Activation) -> f64 {
[INFO] [stdout]     |                                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_activation`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/fully_connected_neural_network.rs:285:13
[INFO] [stdout]     |
[INFO] [stdout] 285 |         let mut output_layer_inputs = layer_outputs.last().unwrap_or(&inputs).clone();
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `kernel_linear` is never used
[INFO] [stdout]    --> src/support_vector_machine.rs:206:8
[INFO] [stdout]     |
[INFO] [stdout]  12 | impl SupportVectorMachine {
[INFO] [stdout]     | ------------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 206 |     fn kernel_linear(x1: &Vec<f64>, x2: &Vec<f64>) -> f64 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Linear`, `LeakyRelu`, and `Softmax` are never constructed
[INFO] [stdout]   --> src/fully_connected_neural_network.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | enum Activation {
[INFO] [stdout]    |      ---------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 37 |     Linear,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 38 |     LeakyRelu,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 39 |     Softmax,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Activation` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:395:13
[INFO] [stdout]     |
[INFO] [stdout] 395 |         let X = vec![
[INFO] [stdout]     |             ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `Command { std: "docker" "inspect" "20dc3ee8651d4f8c759f0c5c0538f5f927d44643b9e228d11ec425df4855a619", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20dc3ee8651d4f8c759f0c5c0538f5f927d44643b9e228d11ec425df4855a619", kill_on_drop: false }`
[INFO] [stdout] 20dc3ee8651d4f8c759f0c5c0538f5f927d44643b9e228d11ec425df4855a619
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 24d1e16f2ebf7430ae2818e70b3dd40f4fabc4d9e4cd588c26931a1b7ae84134
[INFO] running `Command { std: "docker" "start" "-a" "24d1e16f2ebf7430ae2818e70b3dd40f4fabc4d9e4cd588c26931a1b7ae84134", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `estimator_index`
[INFO] [stderr]   --> src/gradient_boosting_machine.rs:52:17
[INFO] [stderr]    |
[INFO] [stderr] 52 |             for estimator_index in 0..self.n_estimators {
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_estimator_index`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `activation`
[INFO] [stderr]    --> src/fully_connected_neural_network.rs:148:42
[INFO] [stderr]     |
[INFO] [stderr] 148 |     fn forward(&self, inputs: &Vec<f64>, activation: &Activation) -> f64 {
[INFO] [stderr]     |                                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_activation`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/fully_connected_neural_network.rs:285:13
[INFO] [stderr]     |
[INFO] [stderr] 285 |         let mut output_layer_inputs = layer_outputs.last().unwrap_or(&inputs).clone();
[INFO] [stderr]     |             ----^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `kernel_linear` is never used
[INFO] [stderr]    --> src/support_vector_machine.rs:206:8
[INFO] [stderr]     |
[INFO] [stderr]  12 | impl SupportVectorMachine {
[INFO] [stderr]     | ------------------------- associated function in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 206 |     fn kernel_linear(x1: &Vec<f64>, x2: &Vec<f64>) -> f64 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `standardize` is never used
[INFO] [stderr]    --> src/support_vector_machine.rs:246:4
[INFO] [stderr]     |
[INFO] [stderr] 246 | fn standardize(data: &mut Vec<Vec<f64>>) {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `convert_y` is never used
[INFO] [stderr]    --> src/support_vector_machine.rs:280:4
[INFO] [stderr]     |
[INFO] [stderr] 280 | fn convert_y(y: Vec<f64>) -> Vec<f64> {
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `sigmoid` is never used
[INFO] [stderr]  --> src/fully_connected_neural_network.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn sigmoid(x: f64) -> f64 {
[INFO] [stderr]   |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `relu` is never used
[INFO] [stderr]  --> src/fully_connected_neural_network.rs:8:4
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn relu(x: f64) -> f64 {
[INFO] [stderr]   |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `linear` is never used
[INFO] [stderr]   --> src/fully_connected_neural_network.rs:16:4
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn linear(x: f64) -> f64 {
[INFO] [stderr]    |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `leaky_relu` is never used
[INFO] [stderr]   --> src/fully_connected_neural_network.rs:20:4
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn leaky_relu(x: f64) -> f64 {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `softmax` is never used
[INFO] [stderr]   --> src/fully_connected_neural_network.rs:28:4
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn softmax(x: Vec<f64>) -> Vec<f64> {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Activation` is never used
[INFO] [stderr]   --> src/fully_connected_neural_network.rs:34:6
[INFO] [stderr]    |
[INFO] [stderr] 34 | enum Activation {
[INFO] [stderr]    |      ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ModelBuilder` is never constructed
[INFO] [stderr]   --> src/fully_connected_neural_network.rs:42:8
[INFO] [stderr]    |
[INFO] [stderr] 42 | struct ModelBuilder {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `input_nodes`, `hidden_layer`, `output_nodes`, and `build` are never used
[INFO] [stderr]   --> src/fully_connected_neural_network.rs:49:12
[INFO] [stderr]    |
[INFO] [stderr] 48 | impl ModelBuilder {
[INFO] [stderr]    | ----------------- associated items in this implementation
[INFO] [stderr] 49 |     pub fn new() -> ModelBuilder {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 57 |     pub fn input_nodes(&mut self, num_input_nodes: usize) -> &mut Self {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 62 |     pub fn hidden_layer(&mut self, num_nodes: usize, activation: Activation) -> &mut Self {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 67 |     pub fn output_nodes(&mut self, num_output_nodes: usize, activation: Activation) -> &mut Self {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 72 |     pub fn build(&self) -> NeuralNetwork {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `activate`, `activate_vector`, and `derivative` are never used
[INFO] [stderr]    --> src/fully_connected_neural_network.rs:83:8
[INFO] [stderr]     |
[INFO] [stderr]  82 | impl Activation {
[INFO] [stderr]     | --------------- methods in this implementation
[INFO] [stderr]  83 |     fn activate(&self, x: f64) -> f64 {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  93 |     fn activate_vector(&self, x: Vec<f64>) -> Vec<f64> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 100 |     fn derivative(&self, x: f64) -> f64 {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Node` is never constructed
[INFO] [stderr]    --> src/fully_connected_neural_network.rs:124:8
[INFO] [stderr]     |
[INFO] [stderr] 124 | struct Node {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new` and `forward` are never used
[INFO] [stderr]    --> src/fully_connected_neural_network.rs:141:8
[INFO] [stderr]     |
[INFO] [stderr] 140 | impl Node {
[INFO] [stderr]     | --------- associated items in this implementation
[INFO] [stderr] 141 |     fn new(num_weights: usize) -> Node {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 148 |     fn forward(&self, inputs: &Vec<f64>, activation: &Activation) -> f64 {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `NeuralNetwork` is never constructed
[INFO] [stderr]    --> src/fully_connected_neural_network.rs:170:8
[INFO] [stderr]     |
[INFO] [stderr] 170 | struct NeuralNetwork {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated items are never used
[INFO] [stderr]    --> src/fully_connected_neural_network.rs:185:8
[INFO] [stderr]     |
[INFO] [stderr] 184 | impl NeuralNetwork {
[INFO] [stderr]     | ------------------ associated items in this implementation
[INFO] [stderr] 185 |     fn new(
[INFO] [stderr]     |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 213 |     pub fn predict(&self, inputs: Vec<Vec<f64>>) -> Vec<Vec<f64>> {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 217 |     pub fn predict_one(&self, inputs: Vec<f64>) -> Vec<f64> {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 222 |     fn forward(&self, inputs: &Vec<f64>) -> Vec<f64> {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 240 |     fn train(&mut self, train_x: Vec<Vec<f64>>, train_y: Vec<Vec<f64>>, lr: f64, iters: u64) {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 258 |     fn mse(&self, x_train: Vec<Vec<f64>>, y_train: Vec<f64>) -> f64 {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 271 |     fn train_iter(&mut self, inputs: &Vec<f64>, targets: &Vec<f64>, lr: f64) {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `normalize_x_y` is never used
[INFO] [stderr]    --> src/fully_connected_neural_network.rs:366:4
[INFO] [stderr]     |
[INFO] [stderr] 366 | fn normalize_x_y(x: &mut Vec<Vec<f64>>, y: &mut Vec<f64>) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `normalize_column` is never used
[INFO] [stderr]    --> src/fully_connected_neural_network.rs:378:4
[INFO] [stderr]     |
[INFO] [stderr] 378 | fn normalize_column(column: &mut Vec<f64>) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `transpose` is never used
[INFO] [stderr]    --> src/fully_connected_neural_network.rs:386:4
[INFO] [stderr]     |
[INFO] [stderr] 386 | fn transpose(x: &Vec<Vec<f64>>) -> Vec<Vec<f64>> {
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `deep-learning` (lib) generated 22 warnings (run `cargo fix --lib -p deep-learning` to apply 1 suggestion)
[INFO] [stderr] warning: function `run_logistic_regression_iris` is never used
[INFO] [stderr]    --> src/main.rs:183:4
[INFO] [stderr]     |
[INFO] [stderr] 183 | fn run_logistic_regression_iris() {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `load_iris_dataset`
[INFO] [stderr]    --> src/gradient_boosting_machine.rs:149:55
[INFO] [stderr]     |
[INFO] [stderr] 149 |     use crate::datasets::{load_breast_cancer_dataset, load_iris_dataset, train_test_split};
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `entr`
[INFO] [stderr]    --> src/decision_tree.rs:391:13
[INFO] [stderr]     |
[INFO] [stderr] 391 |         let entr = entropy(&data);
[INFO] [stderr]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_entr`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `score`
[INFO] [stderr]    --> src/decision_tree.rs:410:17
[INFO] [stderr]     |
[INFO] [stderr] 410 |             let score = information_gain(&y, &val, 2.5);
[INFO] [stderr]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_score`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `estimator_index`
[INFO] [stderr]   --> src/gradient_boosting_machine.rs:52:17
[INFO] [stderr]    |
[INFO] [stderr] 52 |             for estimator_index in 0..self.n_estimators {
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_estimator_index`
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Linear`, `LeakyRelu`, and `Softmax` are never constructed
[INFO] [stderr]   --> src/fully_connected_neural_network.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 34 | enum Activation {
[INFO] [stderr]    |      ---------- variants in this enum
[INFO] [stderr] ...
[INFO] [stderr] 37 |     Linear,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 38 |     LeakyRelu,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 39 |     Softmax,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Activation` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X` should have a snake case name
[INFO] [stderr]    --> src/decision_tree.rs:395:13
[INFO] [stderr]     |
[INFO] [stderr] 395 |         let X = vec![
[INFO] [stderr]     |             ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `deep-learning` (bin "deep-learning" test) generated 1 warning
[INFO] [stderr] warning: `deep-learning` (lib test) generated 9 warnings (3 duplicates) (run `cargo fix --lib -p deep-learning --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/deep_learning-d2732c087053ef79)
[INFO] [stdout] 
[INFO] [stdout] running 41 tests
[INFO] [stdout] test decision_tree::tests::test_entropy ... ok
[INFO] [stdout] test fully_connected_neural_network::tests::test_activation ... ok
[INFO] [stdout] test decision_tree::tests::test_information_gain ... ok
[INFO] [stdout] test fully_connected_neural_network::tests::test_neural_network_forward ... ok
[INFO] [stdout] test fully_connected_neural_network::tests::test_mismatched_targets - should panic ... ok
[INFO] [stdout] test fully_connected_neural_network::tests::test_mismatched_output_nodes - should panic ... ok
[INFO] [stdout] test fully_connected_neural_network::tests::test_relu ... ok
[INFO] [stdout] test fully_connected_neural_network::tests::test_sigmoid ... ok
[INFO] [stdout] test gaussian_naive_bayes::tests::test_gnb ... ok
[INFO] [stdout] test fully_connected_neural_network::tests::test_node_forward ... FAILED
[INFO] [stdout] test k_nearest_neighbors::tests::test_k_nearest_neighbors ... ok
[INFO] [stdout] test linear_regression::tests::test_linear_regression - should panic ... ok
[INFO] [stdout] test linear_regression::tests::test_linear_regression_non_singular ... ok
[INFO] [stdout] test logistic_regression::tests::test_logistic_regression ... ok
[INFO] [stdout] test decision_tree::tests::test_information_gain_real_data ... ok
[INFO] [stdout] test fully_connected_neural_network::tests::test_neural_network_train ... ok
[INFO] [stdout] test stochastic_gradient_descent::tests::test_sgd ... ok
[INFO] [stdout] test support_vector_machine::tests::test_kernel_linear ... ok
[INFO] [stdout] test support_vector_machine::tests::test_kernel_polynomial ... ok
[INFO] [stdout] test support_vector_machine::tests::test_kernel_rbf ... ok
[INFO] [stdout] test support_vector_machine::tests::test_kernel_sigmoid ... ok
[INFO] [stdout] test support_vector_machine::tests::test_standardize_edge_case_single_feature ... ok
[INFO] [stdout] test support_vector_machine::tests::test_standardize_empty_data ... ok
[INFO] [stdout] test support_vector_machine::tests::test_standardize_no_variance ... ok
[INFO] [stdout] test support_vector_machine::tests::test_standardize_simple_case ... ok
[INFO] [stdout] test support_vector_machine::tests::test_standardize_single_sample ... ok
[INFO] [stdout] test support_vector_machine::tests::test_standardize_with_constant_feature ... ok
[INFO] [stdout] test decision_tree::tests::test_best_criteria_real_data ... ok
[INFO] [stdout] test random_forest::tests::test_random_forest ... ok
[INFO] [stdout] test utils::tests::test_dot_product ... ok
[INFO] [stdout] test utils::tests::test_identity_matrix ... ok
[INFO] [stdout] test utils::tests::test_invert_matrix ... ok
[INFO] [stdout] test utils::tests::test_matrix_multiply ... ok
[INFO] [stdout] test utils::tests::test_transpose ... ok
[INFO] [stdout] test support_vector_machine::tests::test_support_vector_machine_nonlinear_kernels ... FAILED
[INFO] [stdout] test decision_tree::tests::test_decision_tree ... ok
[INFO] [stdout] test logistic_regression::tests::test_logistic_regression_2 ... ok
[INFO] [stdout] test support_vector_machine::tests::test_support_vector_machine ... ok
[INFO] [stdout] test gradient_boosting_machine::tests::test_gradient_boosting_machine ... ok
[INFO] [stdout] test fully_connected_neural_network::tests::multiple_hidden_layers has been running for over 60 seconds
[INFO] [stdout] test fully_connected_neural_network::tests::test_ms_error has been running for over 60 seconds
[INFO] [stdout] test fully_connected_neural_network::tests::multiple_hidden_layers ... ok
[INFO] [stdout] test fully_connected_neural_network::tests::test_ms_error ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- fully_connected_neural_network::tests::test_node_forward stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'fully_connected_neural_network::tests::test_node_forward' panicked at src/fully_connected_neural_network.rs:428:9:
[INFO] [stdout] assertion failed: output >= 0.0 && output <= 1.0
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5aed5c9eb2a2 - std::backtrace_rs::backtrace::libunwind::trace::h2d45396358f41939
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5aed5c9eb2a2 - std::backtrace_rs::backtrace::trace_unsynchronized::hffcefc0b67f1d6e2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5aed5c9eb2a2 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5aed5c9eb2a2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hdcfcb6d4c8489523
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5aed5ca12c83 - core::fmt::rt::Argument::fmt::h2c56b3114963061a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5aed5ca12c83 - core::fmt::write::h8a494366950f23bb
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5aed5c9e81c3 - std::io::default_write_fmt::h7b8824096454f323
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5aed5c9e81c3 - std::io::Write::write_fmt::h4e71294925c334d0
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5aed5c9eb0f2 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5aed5c9ec819 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5aed5c9ec64e - std::panicking::default_hook::h2c66fc99e962531d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x5aed5c97b8d4 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb6bd65493727d71a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x5aed5c97b8d4 - test::test_main_with_exit_callback::{{closure}}::h60217ec76a0ece4a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5aed5c9ed1ee - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h318e4efb8c1a5689
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x5aed5c9ed1ee - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x5aed5c9ecf86 - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:699:13
[INFO] [stdout]   16:     0x5aed5c9eb799 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5aed5c9ecc4d - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x5aed5ca108b0 - core::panicking::panic_fmt::h62f63d096dd276af
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5aed5ca1093c - core::panicking::panic::h89a5f2df32b0508a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:145:5
[INFO] [stdout]   20:     0x5aed5c8ec40f - deep_learning::fully_connected_neural_network::tests::test_node_forward::hb637204e545a6b54
[INFO] [stdout]                                at /opt/rustwide/workdir/src/fully_connected_neural_network.rs:428:9
[INFO] [stdout]   21:     0x5aed5c8ec2b7 - deep_learning::fully_connected_neural_network::tests::test_node_forward::{{closure}}::ha8abef241f1303cf
[INFO] [stdout]                                at /opt/rustwide/workdir/src/fully_connected_neural_network.rs:423:27
[INFO] [stdout]   22:     0x5aed5c8efbc6 - core::ops::function::FnOnce::call_once::h69c3a474389ba563
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   23:     0x5aed5c98113b - core::ops::function::FnOnce::call_once::h1f9474f1347fff52
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   24:     0x5aed5c98113b - test::__rust_begin_short_backtrace::ha52ab26e77157f03
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:648:18
[INFO] [stdout]   25:     0x5aed5c980275 - test::run_test_in_process::{{closure}}::h229c1a11a50b261f
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:74
[INFO] [stdout]   26:     0x5aed5c980275 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h78821afbf97b39a9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x5aed5c980275 - std::panicking::catch_unwind::do_call::h53abf3ed5bd32ba3
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   28:     0x5aed5c980275 - std::panicking::catch_unwind::h6deb5fe1e91873c9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   29:     0x5aed5c980275 - std::panic::catch_unwind::hea0829b6b565654b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x5aed5c980275 - test::run_test_in_process::hdc44dfecea3db21b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:27
[INFO] [stdout]   31:     0x5aed5c980275 - test::run_test::{{closure}}::h0364ba59bf23f652
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:592:43
[INFO] [stdout]   32:     0x5aed5c943e74 - test::run_test::{{closure}}::h32730b304eec05da
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:622:41
[INFO] [stdout]   33:     0x5aed5c943e74 - std::sys::backtrace::__rust_begin_short_backtrace::h177cb952fc54ad2c
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   34:     0x5aed5c94784a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h119d903520007597
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   35:     0x5aed5c94784a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hab88401d606702a6
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x5aed5c94784a - std::panicking::catch_unwind::do_call::h163fe12cca9901c2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   37:     0x5aed5c94784a - std::panicking::catch_unwind::he81557d0e17cc1bc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   38:     0x5aed5c94784a - std::panic::catch_unwind::hc2b8e79c20593955
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5aed5c94784a - std::thread::Builder::spawn_unchecked_::{{closure}}::hfa6b4978e07815cc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   40:     0x5aed5c94784a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hddcd7484a13fd793
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   41:     0x5aed5c9f016f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5924238c754de3b8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   42:     0x5aed5c9f016f - std::sys::pal::unix::thread::Thread::new::thread_start::hb6e99e73da4d28f8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/pal/unix/thread.rs:107:17
[INFO] [stdout]   43:     0x710ac87f1aa4 - <unknown>
[INFO] [stdout]   44:     0x710ac887ea34 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- support_vector_machine::tests::test_support_vector_machine_nonlinear_kernels stdout ----
[INFO] [stdout] [[-0.9006811702978099, 1.0190043519716065, -1.3402265266227635, -1.3154442950077407], [-1.1430169111851116, -0.1319794793216258, -1.3402265266227635, -1.3154442950077407], [-1.3853526520724144, 0.3284140531956675, -1.3970639535363667, -1.3154442950077407], [-1.5065205225160663, 0.09821728693702086, -1.2833890997091604, -1.3154442950077407], [-1.0218490407414607, 1.2492011182302531, -1.3402265266227635, -1.3154442950077407], [-0.5371775589668552, 1.939791417006192, -1.169714245881954, -1.052179926427139], [-1.5065205225160663, 0.7888075857129598, -1.3402265266227635, -1.18381211071744], [-1.0218490407414607, 0.7888075857129598, -1.2833890997091604, -1.3154442950077407], [-1.748856263403368, -0.36217624558027245, -1.3402265266227635, -1.3154442950077407], [-1.1430169111851116, 0.09821728693702086, -1.2833890997091604, -1.4470764792980415], [-0.5371775589668552, 1.4793978844888998, -1.2833890997091604, -1.3154442950077407], [-1.2641847816287635, 0.7888075857129598, -1.2265516727955572, -1.3154442950077407], [-1.2641847816287635, -0.1319794793216258, -1.3402265266227635, -1.4470764792980415], [-1.87002413384702, -0.1319794793216258, -1.5107388073635728, -1.4470764792980415], [-0.052506077192250644, 2.169988183264839, -1.4539013804499696, -1.3154442950077407], [-0.1736739476359015, 3.0907752482994253, -1.2833890997091604, -1.052179926427139], [-0.5371775589668552, 1.939791417006192, -1.3970639535363667, -1.052179926427139], [-0.9006811702978099, 1.0190043519716065, -1.3402265266227635, -1.18381211071744], [-0.1736739476359015, 1.7095946507475455, -1.169714245881954, -1.18381211071744], [-0.9006811702978099, 1.7095946507475455, -1.2833890997091604, -1.18381211071744], [-0.5371775589668552, 0.7888075857129598, -1.169714245881954, -1.3154442950077407], [-0.9006811702978099, 1.4793978844888998, -1.2833890997091604, -1.052179926427139], [-1.5065205225160663, 1.2492011182302531, -1.567576234277176, -1.3154442950077407], [-0.9006811702978099, 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[INFO] [stdout] Iteration 0alpha sum: 0.05718023391334317, bias: 0.9763365274011727, error: 1.990028717416621, metric: 1.057992832518199
[INFO] [stdout] Iteration 1alpha sum: 0.05718943448471233, bias: 0.9756072350289104, error: 1.9898066009892772, metric: 0.060563979278944795
[INFO] [stdout] Iteration 2alpha sum: 0.05719863505608149, bias: 0.9756072350289104, error: 1.9897974004187016, metric: 0.058749308307153476
[INFO] [stdout] Iteration 3alpha sum: 0.05720783562745064, bias: 0.9756072350289104, error: 1.9897881998481264, metric: 0.0587677094498918
[INFO] [stdout] Iteration 4alpha sum: 0.0572170361988198, bias: 0.9756072350289104, error: 1.9897789992775508, metric: 0.058786110592630114
[INFO] [stdout] Iteration 5alpha sum: 0.05722623677018896, bias: 0.9756072350289104, error: 1.9897697987069753, metric: 0.05880451173536844
[INFO] [stdout] Iteration 6alpha sum: 0.05723543734155812, bias: 0.9756072350289104, error: 1.9897605981364, metric: 0.05882291287810675
[INFO] [stdout] Iteration 7alpha sum: 0.05724463791292728, bias: 0.9756072350289104, error: 1.9897513975658245, metric: 0.05884131402084507
[INFO] [stdout] Early stopping triggered after 8 iterations.
[INFO] [stdout] Accuracy: 0.6
[INFO] [stdout] 
[INFO] [stdout] thread 'support_vector_machine::tests::test_support_vector_machine_nonlinear_kernels' panicked at src/support_vector_machine.rs:487:13:
[INFO] [stdout] assertion failed: accuracy > 0.7
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5aed5c9eb2a2 - std::backtrace_rs::backtrace::libunwind::trace::h2d45396358f41939
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5aed5c9eb2a2 - std::backtrace_rs::backtrace::trace_unsynchronized::hffcefc0b67f1d6e2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5aed5c9eb2a2 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5aed5c9eb2a2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hdcfcb6d4c8489523
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5aed5ca12c83 - core::fmt::rt::Argument::fmt::h2c56b3114963061a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5aed5ca12c83 - core::fmt::write::h8a494366950f23bb
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5aed5c9e81c3 - std::io::default_write_fmt::h7b8824096454f323
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5aed5c9e81c3 - std::io::Write::write_fmt::h4e71294925c334d0
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5aed5c9eb0f2 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5aed5c9ec819 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5aed5c9ec64e - std::panicking::default_hook::h2c66fc99e962531d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x5aed5c97b8d4 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb6bd65493727d71a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x5aed5c97b8d4 - test::test_main_with_exit_callback::{{closure}}::h60217ec76a0ece4a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5aed5c9ed1ee - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h318e4efb8c1a5689
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x5aed5c9ed1ee - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x5aed5c9ecf86 - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:699:13
[INFO] [stdout]   16:     0x5aed5c9eb799 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5aed5c9ecc4d - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x5aed5ca108b0 - core::panicking::panic_fmt::h62f63d096dd276af
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5aed5ca1093c - core::panicking::panic::h89a5f2df32b0508a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:145:5
[INFO] [stdout]   20:     0x5aed5c8cd252 - deep_learning::support_vector_machine::tests::test_support_vector_machine_nonlinear_kernels::hc1e6fb304c698a46
[INFO] [stdout]                                at /opt/rustwide/workdir/src/support_vector_machine.rs:487:13
[INFO] [stdout]   21:     0x5aed5c8cc947 - deep_learning::support_vector_machine::tests::test_support_vector_machine_nonlinear_kernels::{{closure}}::h7f89cf79270b2d80
[INFO] [stdout]                                at /opt/rustwide/workdir/src/support_vector_machine.rs:462:55
[INFO] [stdout]   22:     0x5aed5c8ef9b6 - core::ops::function::FnOnce::call_once::h4cd934ecb0ce39b7
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   23:     0x5aed5c98113b - core::ops::function::FnOnce::call_once::h1f9474f1347fff52
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   24:     0x5aed5c98113b - test::__rust_begin_short_backtrace::ha52ab26e77157f03
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:648:18
[INFO] [stdout]   25:     0x5aed5c980275 - test::run_test_in_process::{{closure}}::h229c1a11a50b261f
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:74
[INFO] [stdout]   26:     0x5aed5c980275 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h78821afbf97b39a9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x5aed5c980275 - std::panicking::catch_unwind::do_call::h53abf3ed5bd32ba3
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   28:     0x5aed5c980275 - std::panicking::catch_unwind::h6deb5fe1e91873c9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   29:     0x5aed5c980275 - std::panic::catch_unwind::hea0829b6b565654b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x5aed5c980275 - test::run_test_in_process::hdc44dfecea3db21b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:27
[INFO] [stdout]   31:     0x5aed5c980275 - test::run_test::{{closure}}::h0364ba59bf23f652
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:592:43
[INFO] [stdout]   32:     0x5aed5c943e74 - test::run_test::{{closure}}::h32730b304eec05da
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:622:41
[INFO] [stdout]   33:     0x5aed5c943e74 - std::sys::backtrace::__rust_begin_short_backtrace::h177cb952fc54ad2c
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   34:     0x5aed5c94784a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h119d903520007597
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   35:     0x5aed5c94784a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hab88401d606702a6
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x5aed5c94784a - std::panicking::catch_unwind::do_call::h163fe12cca9901c2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   37:     0x5aed5c94784a - std::panicking::catch_unwind::he81557d0e17cc1bc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   38:     0x5aed5c94784a - std::panic::catch_unwind::hc2b8e79c20593955
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5aed5c94784a - std::thread::Builder::spawn_unchecked_::{{closure}}::hfa6b4978e07815cc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   40:     0x5aed5c94784a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hddcd7484a13fd793
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   41:     0x5aed5c9f016f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5924238c754de3b8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   42:     0x5aed5c9f016f - std::sys::pal::unix::thread::Thread::new::thread_start::hb6e99e73da4d28f8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/pal/unix/thread.rs:107:17
[INFO] [stdout]   43:     0x710ac87f1aa4 - <unknown>
[INFO] [stdout]   44:     0x710ac887ea34 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- fully_connected_neural_network::tests::test_ms_error stdout ----
[INFO] [stdout] 0.3142659606206001
[INFO] [stdout] 
[INFO] [stdout] thread 'fully_connected_neural_network::tests::test_ms_error' panicked at src/fully_connected_neural_network.rs:472:9:
[INFO] [stdout] assertion failed: mse < 0.08
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5aed5c9eb2a2 - std::backtrace_rs::backtrace::libunwind::trace::h2d45396358f41939
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5aed5c9eb2a2 - std::backtrace_rs::backtrace::trace_unsynchronized::hffcefc0b67f1d6e2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5aed5c9eb2a2 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5aed5c9eb2a2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hdcfcb6d4c8489523
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5aed5ca12c83 - core::fmt::rt::Argument::fmt::h2c56b3114963061a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5aed5ca12c83 - core::fmt::write::h8a494366950f23bb
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5aed5c9e81c3 - std::io::default_write_fmt::h7b8824096454f323
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5aed5c9e81c3 - std::io::Write::write_fmt::h4e71294925c334d0
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5aed5c9eb0f2 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5aed5c9ec819 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5aed5c9ec64e - std::panicking::default_hook::h2c66fc99e962531d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x5aed5c97b8d4 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb6bd65493727d71a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x5aed5c97b8d4 - test::test_main_with_exit_callback::{{closure}}::h60217ec76a0ece4a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5aed5c9ed1ee - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h318e4efb8c1a5689
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x5aed5c9ed1ee - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x5aed5c9ecf86 - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:699:13
[INFO] [stdout]   16:     0x5aed5c9eb799 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5aed5c9ecc4d - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x5aed5ca108b0 - core::panicking::panic_fmt::h62f63d096dd276af
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5aed5ca1093c - core::panicking::panic::h89a5f2df32b0508a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:145:5
[INFO] [stdout]   20:     0x5aed5c8ed38d - deep_learning::fully_connected_neural_network::tests::test_ms_error::h4647f03a47c02a4f
[INFO] [stdout]                                at /opt/rustwide/workdir/src/fully_connected_neural_network.rs:472:9
[INFO] [stdout]   21:     0x5aed5c8ecde7 - deep_learning::fully_connected_neural_network::tests::test_ms_error::{{closure}}::h3135dc97b5adee17
[INFO] [stdout]                                at /opt/rustwide/workdir/src/fully_connected_neural_network.rs:458:23
[INFO] [stdout]   22:     0x5aed5c8ef976 - core::ops::function::FnOnce::call_once::h48507bae5f1fbeac
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   23:     0x5aed5c98113b - core::ops::function::FnOnce::call_once::h1f9474f1347fff52
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   24:     0x5aed5c98113b - test::__rust_begin_short_backtrace::ha52ab26e77157f03
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:648:18
[INFO] [stdout]   25:     0x5aed5c980275 - test::run_test_in_process::{{closure}}::h229c1a11a50b261f
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:74
[INFO] [stdout]   26:     0x5aed5c980275 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h78821afbf97b39a9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x5aed5c980275 - std::panicking::catch_unwind::do_call::h53abf3ed5bd32ba3
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   28:     0x5aed5c980275 - std::panicking::catch_unwind::h6deb5fe1e91873c9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   29:     0x5aed5c980275 - std::panic::catch_unwind::hea0829b6b565654b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x5aed5c980275 - test::run_test_in_process::hdc44dfecea3db21b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:27
[INFO] [stdout]   31:     0x5aed5c980275 - test::run_test::{{closure}}::h0364ba59bf23f652
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:592:43
[INFO] [stdout]   32:     0x5aed5c943e74 - test::run_test::{{closure}}::h32730b304eec05da
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:622:41
[INFO] [stdout]   33:     0x5aed5c943e74 - std::sys::backtrace::__rust_begin_short_backtrace::h177cb952fc54ad2c
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   34:     0x5aed5c94784a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h119d903520007597
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   35:     0x5aed5c94784a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hab88401d606702a6
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x5aed5c94784a - std::panicking::catch_unwind::do_call::h163fe12cca9901c2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   37:     0x5aed5c94784a - std::panicking::catch_unwind::he81557d0e17cc1bc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   38:     0x5aed5c94784a - std::panic::catch_unwind::hc2b8e79c20593955
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5aed5c94784a - std::thread::Builder::spawn_unchecked_::{{closure}}::hfa6b4978e07815cc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   40:     0x5aed5c94784a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hddcd7484a13fd793
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   41:     0x5aed5c9f016f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5924238c754de3b8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   42:     0x5aed5c9f016f - std::sys::pal::unix::thread::Thread::new::thread_start::hb6e99e73da4d28f8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/pal/unix/thread.rs:107:17
[INFO] [stdout]   43:     0x710ac87f1aa4 - <unknown>
[INFO] [stdout]   44:     0x710ac887ea34 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     fully_connected_neural_network::tests::test_ms_error
[INFO] [stdout]     fully_connected_neural_network::tests::test_node_forward
[INFO] [stdout]     support_vector_machine::tests::test_support_vector_machine_nonlinear_kernels
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 38 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 69.68s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "24d1e16f2ebf7430ae2818e70b3dd40f4fabc4d9e4cd588c26931a1b7ae84134", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24d1e16f2ebf7430ae2818e70b3dd40f4fabc4d9e4cd588c26931a1b7ae84134", kill_on_drop: false }`
[INFO] [stdout] 24d1e16f2ebf7430ae2818e70b3dd40f4fabc4d9e4cd588c26931a1b7ae84134
