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[INFO] [stdout] warning: unused import: `chapter01::cli::interactive_mode`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use chapter01::cli::interactive_mode;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `interactive_mode` is never used
[INFO] [stdout]  --> src/chapter01/cli.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn interactive_mode() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_chapter01` is never used
[INFO] [stdout]  --> src/chapter01/perceptron.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn run_chapter01() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `perceptron` is never used
[INFO] [stdout]   --> src/chapter01/perceptron.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn perceptron(x: &Array1<f64>, w: &Array1<f64>, b: f64) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `step_function` is never used
[INFO] [stdout]   --> src/chapter01/perceptron.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn step_function(x: f64) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `and_gate` is never used
[INFO] [stdout]   --> src/chapter01/perceptron.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn and_gate(x1: f64, x2: f64) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `nand_gate` is never used
[INFO] [stdout]   --> src/chapter01/perceptron.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn nand_gate(x1: f64, x2: f64) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `or_gate` is never used
[INFO] [stdout]   --> src/chapter01/perceptron.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn or_gate(x1: f64, x2: f64) -> f64 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `xor_gate` is never used
[INFO] [stdout]   --> src/chapter01/perceptron.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn xor_gate(x1: f64, x2: f64) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sigmoid_matrix` is never used
[INFO] [stdout]   --> src/chapter02/activation.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn sigmoid_matrix(x: &Matrix) -> Matrix {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `softmax_matrix` is never used
[INFO] [stdout]   --> src/chapter02/activation.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn softmax_matrix(x: &Matrix) -> Matrix {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mean_squared_error` is never used
[INFO] [stdout]  --> src/chapter02/loss.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn mean_squared_error(y: &Array2<f64>, t: &Array2<f64>) -> f64 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cross_entropy_error_optimized` is never used
[INFO] [stdout]   --> src/chapter02/loss.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn cross_entropy_error_optimized(y: &Array2<f64>, t: &Array2<f64>) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Matrix` is never constructed
[INFO] [stdout]  --> src/chapter02/matrix.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Matrix {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `from_vec`, `dot`, `add`, `map`, and `shape` are never used
[INFO] [stdout]   --> src/chapter02/matrix.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Matrix {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 10 |     pub fn new(rows: usize, cols: usize, val: f64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn from_vec(data: Vec<Vec<f64>>) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn dot(&self, other: &Matrix) -> Matrix {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn add(&self, other: &Matrix) -> Matrix {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |     pub fn map<F>(&self, func: F) -> Matrix
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |     pub fn shape(&self) -> (usize, usize) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SimpleNetMatrix` is never constructed
[INFO] [stdout]   --> src/chapter02/network.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct SimpleNetMatrix {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `predict` are never used
[INFO] [stdout]   --> src/chapter02/network.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl SimpleNetMatrix {
[INFO] [stdout]    | -------------------- associated items in this implementation
[INFO] [stdout] 45 |     pub fn new(input_size: usize, hidden_size: usize, output_size: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     pub fn predict(&self, x: &Matrix) -> Matrix {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stdout]  --> examples/plot_data_visualization.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::{Rng, thread_rng};
[INFO] [stdout]   |                 ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stdout]   --> examples/plot_data_visualization.rs:35:19
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let mut rng = thread_rng();
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stdout]   --> examples/plot_data_visualization.rs:98:19
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let mut rng = thread_rng();
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stdout]    --> examples/plot_data_visualization.rs:160:19
[INFO] [stdout]     |
[INFO] [stdout] 160 |     let mut rng = thread_rng();
[INFO] [stdout]     |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stdout]    --> examples/plot_data_visualization.rs:227:23
[INFO] [stdout]     |
[INFO] [stdout] 227 |         let mut rng = thread_rng();
[INFO] [stdout]     |                       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stdout]    --> examples/plot_data_visualization.rs:251:23
[INFO] [stdout]     |
[INFO] [stdout] 251 |         let mut rng = thread_rng();
[INFO] [stdout]     |                       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stdout]    --> examples/plot_data_visualization.rs:275:23
[INFO] [stdout]     |
[INFO] [stdout] 275 |         let mut rng = thread_rng();
[INFO] [stdout]     |                       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stdout]    --> examples/plot_data_visualization.rs:305:23
[INFO] [stdout]     |
[INFO] [stdout] 305 |         let mut rng = thread_rng();
[INFO] [stdout]     |                       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `test_labels`
[INFO] [stdout]   --> examples/simple_mnist.rs:14:23
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let (test_images, test_labels) = MnistDataset::load_test_normalized()?;
[INFO] [stdout]    |                       ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_labels`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `small_labels`
[INFO] [stdout]   --> examples/simple_mnist.rs:19:24
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let (small_images, small_labels) = MnistDataset::load_small_subset()?;
[INFO] [stdout]    |                        ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_small_labels`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Array2`
[INFO] [stdout]  --> benches/network_benchmark.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ndarray::{Array2, Array};
[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 import: `Rng`
[INFO] [stdout]  --> examples/plot_data_visualization.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::{Rng, thread_rng};
[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 import: `chapter01::cli::interactive_mode`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use chapter01::cli::interactive_mode;
[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: `i`
[INFO] [stdout]    --> examples/all_plots.rs:313:10
[INFO] [stdout]     |
[INFO] [stdout] 313 |     for (i, &w1) in w_range.iter().enumerate() {
[INFO] [stdout]     |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]    --> examples/all_plots.rs:314:14
[INFO] [stdout]     |
[INFO] [stdout] 314 |         for (j, &w2) in w_range.iter().enumerate() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Array2`
[INFO] [stdout]  --> benches/activation_benchmark.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ndarray::{Array2, Array};
[INFO] [stdout]   |               ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `interactive_mode` is never used
[INFO] [stdout]  --> src/chapter01/cli.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn interactive_mode() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_chapter01` is never used
[INFO] [stdout]  --> src/chapter01/perceptron.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn run_chapter01() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `perceptron` is never used
[INFO] [stdout]   --> src/chapter01/perceptron.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn perceptron(x: &Array1<f64>, w: &Array1<f64>, b: f64) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 39.23s
[INFO] running `Command { std: "docker" "inspect" "f36cc322293820faf8d13aeea84f8b242e648972d5d716fcb1484d2686d59ee1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f36cc322293820faf8d13aeea84f8b242e648972d5d716fcb1484d2686d59ee1", kill_on_drop: false }`
[INFO] [stdout] f36cc322293820faf8d13aeea84f8b242e648972d5d716fcb1484d2686d59ee1