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[INFO] [stdout] 18896afd6745f485b5be1c9f0418a0b5decfdcc1
[INFO] testing Mikndesu/O-reilly-Deep-Learning against beta-2026-03-05 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMikndesu%2FO-reilly-Deep-Learning" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
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[INFO] crate git repo https://github.com/Mikndesu/O-reilly-Deep-Learning already has a lockfile, it will not be regenerated
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[INFO] [stderr]    Compiling multi_layer_net v0.1.0 (/opt/rustwide/workdir/multi_layer_net)
[INFO] [stdout] warning: unused variable: `train_flg`
[INFO] [stdout]   --> multi_layer_net/src/layers/affine_layer.rs:14:50
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn forwards(&mut self, x: &na::DMatrix<f64>, train_flg: bool) -> na::DMatrix<f64> {
[INFO] [stdout]    |                                                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_train_flg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `train_flg`
[INFO] [stdout]  --> multi_layer_net/src/layers/relu_layer.rs:8:50
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn forwards(&mut self, x: &na::DMatrix<f64>, train_flg: bool) -> na::DMatrix<f64> {
[INFO] [stdout]   |                                                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_train_flg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `train_flg`
[INFO] [stdout]  --> multi_layer_net/src/layers/sigmoid_layer.rs:8:50
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn forwards(&mut self, x: &na::DMatrix<f64>, train_flg: bool) -> na::DMatrix<f64> {
[INFO] [stdout]   |                                                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_train_flg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dout`
[INFO] [stdout]   --> multi_layer_net/src/layers/softmax_with_loss_layer.rs:23:29
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn backwards(&self, dout: f64) -> na::DMatrix<f64> {
[INFO] [stdout]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_dout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `broadcast_vector_rowwise` is never used
[INFO] [stdout]   --> multi_layer_net/src/lib.rs:24:15
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub(crate) fn broadcast_vector_rowwise<T: Scalar + Copy + Debug + rand_distr::num_traits::Zero>(
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `input_size`, `hidden_size_list`, and `output_size` are never read
[INFO] [stdout]   --> multi_layer_net/src/multi_layer_net_extended.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct MultiLayerNetExtended {
[INFO] [stdout]    |            --------------------- fields in this struct
[INFO] [stdout] 17 |     input_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 18 |     hidden_size_list: Vec<usize>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 19 |     output_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling oreilly_deep_learning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Ref`
[INFO] [stdout]  --> src/chapter5/two_layer_net.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 |     cell::{Ref, RefCell},
[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 imports: `DatasetType`, `load_label`, `load_normalised_image`, and `self`
[INFO] [stdout]  --> src/chapter5/two_layer_net.rs:7:20
[INFO] [stdout]   |
[INFO] [stdout] 7 | use mylib::mnist::{self, load_label, load_normalised_image, DatasetType};
[INFO] [stdout]   |                    ^^^^  ^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `dmatrix`
[INFO] [stdout]  --> src/chapter5/two_layer_net.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | use na::{dmatrix, DMatrix, Scalar};
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/chapter4/simple_net.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::Deref;
[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: `DMatrix`
[INFO] [stdout]  --> src/chapter4/simple_net.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use nalgebra::{DMatrix, DVector};
[INFO] [stdout]   |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DatasetType`, `load_label`, `load_normalised_image`, and `self`
[INFO] [stdout]  --> src/chapter4/two_layer_net.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use mylib::mnist::{self, load_label, load_normalised_image, DatasetType};
[INFO] [stdout]   |                    ^^^^  ^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `OMatrix`
[INFO] [stdout]  --> src/chapter4/main.rs:7:24
[INFO] [stdout]   |
[INFO] [stdout] 7 | use na::{DVector, Dyn, OMatrix};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `and` is never used
[INFO] [stdout]  --> src/chapter2/main.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn and(x1: f64, x2: f64) -> i32 {
[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 `nand` is never used
[INFO] [stdout]   --> src/chapter2/main.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn nand(x1: f64, x2: f64) -> i32 {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `or` is never used
[INFO] [stdout]   --> src/chapter2/main.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn or(x1: f64, x2: f64) -> i32 {
[INFO] [stdout]    |    ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `xor` is never used
[INFO] [stdout]   --> src/chapter2/main.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn xor(x1: f64, x2: f64) -> i32 {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `na::dmatrix`
[INFO] [stdout]  --> src/chapter6/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use na::dmatrix;
[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 imports: `IntoParallelRefIterator` and `ParallelBridge`
[INFO] [stdout]   --> src/chapter6/main.rs:13:30
[INFO] [stdout]    |
[INFO] [stdout] 13 |     IndexedParallelIterator, IntoParallelRefIterator, ParallelBridge, ParallelIterator,
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `multi_layer_net::multi_layer_net`
[INFO] [stdout]  --> src/chapter6/over_fit_decay_batch_norm.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use multi_layer_net::multi_layer_net;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sgd`
[INFO] [stdout]  --> src/chapter6/over_fit_decay_batch_norm.rs:9:17
[INFO] [stdout]   |
[INFO] [stdout] 9 |     optimiser::{sgd, sgd_ext},
[INFO] [stdout]   |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IntoFont`, `RED`, `WHITE`, `backend::BitMapBackend`, `chart::ChartBuilder`, `drawing::IntoDrawingArea`, and `series::LineSeries`
[INFO] [stdout]   --> src/chapter3/main.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout]  6 |     backend::BitMapBackend,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  7 |     chart::ChartBuilder,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  8 |     drawing::IntoDrawingArea,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  9 |     series::LineSeries,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 10 |     style::{IntoFont, RED, WHITE},
[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 `gradient_descent` is never used
[INFO] [stdout]   --> src/chapter4/main.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn gradient_descent(f: fn(&na::DVector<f64>) -> f64, init_x: na::DVector<f64>) -> na::DVector<f64> {
[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 `numerical_diff` is never used
[INFO] [stdout]   --> src/chapter4/main.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn numerical_diff(f: fn(f64) -> f64, x: f64) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `numerical_gradient` is never used
[INFO] [stdout]   --> src/chapter4/main.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn numerical_gradient(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sum_squared_error` is never used
[INFO] [stdout]   --> src/chapter4/main.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn sum_squared_error(y: na::DVector<f64>, t: na::DVector<u8>) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cross_entropy_error` is never used
[INFO] [stdout]   --> src/chapter4/main.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn cross_entropy_error(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cross_entropy_error_from_label` is never used
[INFO] [stdout]   --> src/chapter4/main.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn cross_entropy_error_from_label(y: na::OMatrix<f64, Dyn, na::Const<10>>, t: Label) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mini_batch` is never used
[INFO] [stdout]   --> src/chapter4/main.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn mini_batch() -> Vec<usize> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SimpleNet` is never constructed
[INFO] [stdout]  --> src/chapter4/simple_net.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct SimpleNet {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/chapter4/simple_net.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl SimpleNet {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 12 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn predict(&self, x: na::Vector2<f64>) -> na::Vector3<f64> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn softmax(&self, x: na::Vector3<f64>) -> na::DVector<f64> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn cross_entropy_error(&self, y: na::DVector<f64>, t: &na::DVector<u8>) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     fn loss(&self, x: na::Vector2<f64>, t: &na::DVector<u8>) -> f64 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     fn numerical_gradient(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     fn numerical_gradient_vec(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dout`
[INFO] [stdout]   --> src/chapter5/layers/softmax_with_loss_layer.rs:23:29
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn backwards(&self, dout: f64) -> na::DMatrix<f64> {
[INFO] [stdout]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_dout`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `train_img_label`
[INFO] [stdout]   --> src/chapter3/show_mnist.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let train_img_label = mnist::load_label(mnist::DatasetType::TestLabel, &dataset_dir);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_train_img_label`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Sigmoid` is never constructed
[INFO] [stdout]  --> src/chapter5/layers/sigmoid_layer.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Sigmoid {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/chapter5/layers/sigmoid_layer.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Sigmoid {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 22 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `numerical_gradient` is never used
[INFO] [stdout]    --> src/chapter5/two_layer_net.rs:185:12
[INFO] [stdout]     |
[INFO] [stdout] 116 | impl TwoLayerNet {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 185 |     pub fn numerical_gradient(&mut self, x: &na::DMatrix<f64>, t: &na::DMatrix<u8>) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Network` is never constructed
[INFO] [stdout]   --> src/chapter3/main.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Network {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/chapter3/main.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Network {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 23 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `step_function` is never used
[INFO] [stdout]   --> src/chapter3/main.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn step_function(x: na::RowDVector<f64>) -> na::RowDVector<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sigmoid` is never used
[INFO] [stdout]   --> src/chapter3/main.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn sigmoid(x: na::RowDVector<f64>) -> na::RowDVector<f64> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `relu` is never used
[INFO] [stdout]   --> src/chapter3/main.rs:56:4
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn relu(x: na::RowDVector<f64>) -> na::RowDVector<f64> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `softmax` is never used
[INFO] [stdout]   --> src/chapter3/main.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn softmax(x: na::RowDVector<f64>) -> RowDVector<f64> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `identity_fucntion` is never used
[INFO] [stdout]   --> src/chapter3/main.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn identity_fucntion(x: na::RowDVector<f64>) -> na::RowDVector<f64> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `forward` is never used
[INFO] [stdout]   --> src/chapter3/main.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn forward() {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `first_layer` is never used
[INFO] [stdout]   --> src/chapter3/main.rs:87:4
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn first_layer(x: na::RowVector2<f64>, network: &Network) -> na::RowVector3<f64> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `second_layer` is never used
[INFO] [stdout]   --> src/chapter3/main.rs:96:4
[INFO] [stdout]    |
[INFO] [stdout] 96 | fn second_layer(z1: na::RowVector3<f64>, network: &Network) -> na::RowVector2<f64> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `output_layer` is never used
[INFO] [stdout]    --> src/chapter3/main.rs:105:4
[INFO] [stdout]     |
[INFO] [stdout] 105 | fn output_layer(z2: na::RowVector2<f64>, network: &Network) -> na::RowDVector<f64> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `img_show` is never used
[INFO] [stdout]  --> src/chapter3/show_mnist.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn img_show() {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `save_img_from_matrix` is never used
[INFO] [stdout]   --> src/chapter3/show_mnist.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn save_img_from_matrix(matrix: na::OMatrix<u8, Const<28>, Const<28>>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IndexedParallelIterator`
[INFO] [stdout]   --> src/chapter6/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     IndexedParallelIterator, IntoParallelRefIterator, ParallelBridge, ParallelIterator,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ParallelIterator`
[INFO] [stdout]   --> src/chapter6/main.rs:13:71
[INFO] [stdout]    |
[INFO] [stdout] 13 |     IndexedParallelIterator, IntoParallelRefIterator, ParallelBridge, ParallelIterator,
[INFO] [stdout]    |                                                                       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AdaGrad` is never constructed
[INFO] [stdout]  --> src/chapter6/optimiser/ada_grad.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct AdaGrad {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `H` is never constructed
[INFO] [stdout]  --> src/chapter6/optimiser/ada_grad.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct H {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/chapter6/optimiser/ada_grad.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl H {
[INFO] [stdout]    | ------ associated function in this implementation
[INFO] [stdout] 15 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `update` are never used
[INFO] [stdout]   --> src/chapter6/optimiser/ada_grad.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl AdaGrad {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 29 |     pub fn new(lr: f64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn update(&mut self, params: &Rc<RefCell<Params>>, grads: &Grads) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Momentum` is never constructed
[INFO] [stdout]  --> src/chapter6/optimiser/momentum.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Momentum {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `V` is never constructed
[INFO] [stdout]   --> src/chapter6/optimiser/momentum.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct V {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `update` are never used
[INFO] [stdout]   --> src/chapter6/optimiser/momentum.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Momentum {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 16 |     pub fn new(lr: f64, momentum: f64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn update(&mut self, params: &Rc<RefCell<Params>>, grads: &Grads) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/chapter6/optimiser/momentum.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | impl V {
[INFO] [stdout]    | ------ associated function in this implementation
[INFO] [stdout] 61 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 58.76s
[INFO] running `Command { std: "docker" "inspect" "758812fd98b03da5070c2382fea5946ad014ecadca2168dac1ac68007efbf1d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "758812fd98b03da5070c2382fea5946ad014ecadca2168dac1ac68007efbf1d5", kill_on_drop: false }`
[INFO] [stdout] 758812fd98b03da5070c2382fea5946ad014ecadca2168dac1ac68007efbf1d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc7f800d38c48f2698c61a6403cafbaed1878321cbf09cfa9753c2f36744c9df
[INFO] running `Command { std: "docker" "start" "-a" "dc7f800d38c48f2698c61a6403cafbaed1878321cbf09cfa9753c2f36744c9df", kill_on_drop: false }`
[INFO] [stderr]    Compiling oreilly_deep_learning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `train_flg`
[INFO] [stdout]   --> multi_layer_net/src/layers/affine_layer.rs:14:50
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn forwards(&mut self, x: &na::DMatrix<f64>, train_flg: bool) -> na::DMatrix<f64> {
[INFO] [stdout]    |                                                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_train_flg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `train_flg`
[INFO] [stdout]  --> multi_layer_net/src/layers/relu_layer.rs:8:50
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn forwards(&mut self, x: &na::DMatrix<f64>, train_flg: bool) -> na::DMatrix<f64> {
[INFO] [stdout]   |                                                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_train_flg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `train_flg`
[INFO] [stdout]  --> multi_layer_net/src/layers/sigmoid_layer.rs:8:50
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn forwards(&mut self, x: &na::DMatrix<f64>, train_flg: bool) -> na::DMatrix<f64> {
[INFO] [stdout]   |                                                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_train_flg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dout`
[INFO] [stdout]   --> multi_layer_net/src/layers/softmax_with_loss_layer.rs:23:29
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn backwards(&self, dout: f64) -> na::DMatrix<f64> {
[INFO] [stdout]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_dout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `broadcast_vector_rowwise` is never used
[INFO] [stdout]   --> multi_layer_net/src/lib.rs:24:15
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub(crate) fn broadcast_vector_rowwise<T: Scalar + Copy + Debug + rand_distr::num_traits::Zero>(
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `input_size`, `hidden_size_list`, and `output_size` are never read
[INFO] [stdout]   --> multi_layer_net/src/multi_layer_net_extended.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct MultiLayerNetExtended {
[INFO] [stdout]    |            --------------------- fields in this struct
[INFO] [stdout] 17 |     input_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 18 |     hidden_size_list: Vec<usize>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 19 |     output_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/chapter4/simple_net.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::Deref;
[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: `DMatrix`
[INFO] [stdout]  --> src/chapter4/simple_net.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use nalgebra::{DMatrix, DVector};
[INFO] [stdout]   |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DatasetType`, `load_label`, `load_normalised_image`, and `self`
[INFO] [stdout]  --> src/chapter4/two_layer_net.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use mylib::mnist::{self, load_label, load_normalised_image, DatasetType};
[INFO] [stdout]   |                    ^^^^  ^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `OMatrix`
[INFO] [stdout]  --> src/chapter4/main.rs:7:24
[INFO] [stdout]   |
[INFO] [stdout] 7 | use na::{DVector, Dyn, OMatrix};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `na::dmatrix`
[INFO] [stdout]  --> src/chapter6/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use na::dmatrix;
[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: `ParallelBridge`
[INFO] [stdout]   --> src/chapter6/main.rs:13:55
[INFO] [stdout]    |
[INFO] [stdout] 13 |     IndexedParallelIterator, IntoParallelRefIterator, ParallelBridge, ParallelIterator,
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `multi_layer_net::multi_layer_net`
[INFO] [stdout]  --> src/chapter6/over_fit_decay_batch_norm.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use multi_layer_net::multi_layer_net;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sgd`
[INFO] [stdout]  --> src/chapter6/over_fit_decay_batch_norm.rs:9:17
[INFO] [stdout]   |
[INFO] [stdout] 9 |     optimiser::{sgd, sgd_ext},
[INFO] [stdout]   |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ref`
[INFO] [stdout]  --> src/chapter5/two_layer_net.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 |     cell::{Ref, RefCell},
[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 `broadcast_vector_rowwise` is never used
[INFO] [stdout]    --> src/chapter6/main.rs:113:8
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn broadcast_vector_rowwise<T: na::Scalar + Copy + rand_distr::num_traits::Zero>(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AdaGrad` is never constructed
[INFO] [stdout]  --> src/chapter6/optimiser/ada_grad.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct AdaGrad {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `H` is never constructed
[INFO] [stdout]  --> src/chapter6/optimiser/ada_grad.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct H {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/chapter6/optimiser/ada_grad.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl H {
[INFO] [stdout]    | ------ associated function in this implementation
[INFO] [stdout] 15 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `update` are never used
[INFO] [stdout]   --> src/chapter6/optimiser/ada_grad.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl AdaGrad {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 29 |     pub fn new(lr: f64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn update(&mut self, params: &Rc<RefCell<Params>>, grads: &Grads) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Momentum` is never constructed
[INFO] [stdout]  --> src/chapter6/optimiser/momentum.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Momentum {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `V` is never constructed
[INFO] [stdout]   --> src/chapter6/optimiser/momentum.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct V {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `update` are never used
[INFO] [stdout]   --> src/chapter6/optimiser/momentum.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Momentum {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 16 |     pub fn new(lr: f64, momentum: f64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn update(&mut self, params: &Rc<RefCell<Params>>, grads: &Grads) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/chapter6/optimiser/momentum.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | impl V {
[INFO] [stdout]    | ------ associated function in this implementation
[INFO] [stdout] 61 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `train_img_label`
[INFO] [stdout]   --> src/chapter3/show_mnist.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let train_img_label = mnist::load_label(mnist::DatasetType::TestLabel, &dataset_dir);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_train_img_label`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dout`
[INFO] [stdout]   --> src/chapter5/layers/softmax_with_loss_layer.rs:23:29
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn backwards(&self, dout: f64) -> na::DMatrix<f64> {
[INFO] [stdout]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_dout`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `softmax` is never used
[INFO] [stdout]   --> src/chapter3/main.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn softmax(x: na::RowDVector<f64>) -> RowDVector<f64> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `test_img`
[INFO] [stdout]    --> src/chapter5/two_layer_net.rs:225:9
[INFO] [stdout]     |
[INFO] [stdout] 225 |     let test_img = load_normalised_image(DatasetType::TestImg, &dataset_dir).flatten();
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_img`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `test_label`
[INFO] [stdout]    --> src/chapter5/two_layer_net.rs:226:9
[INFO] [stdout]     |
[INFO] [stdout] 226 |     let test_label = load_label(DatasetType::TestLabel, &dataset_dir).as_one_hot();
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_label`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/chapter5/two_layer_net.rs:302:9
[INFO] [stdout]     |
[INFO] [stdout] 302 |     let mut network = TwoLayerNet::new(784, 50, 10);
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `net`
[INFO] [stdout]    --> src/chapter4/simple_net.rs:129:9
[INFO] [stdout]     |
[INFO] [stdout] 129 |     let net = SimpleNet::new();
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_net`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sum_squared_error` is never used
[INFO] [stdout]   --> src/chapter4/main.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn sum_squared_error(y: na::DVector<f64>, t: na::DVector<u8>) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `numerical_gradient_vec` is never used
[INFO] [stdout]   --> src/chapter4/simple_net.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl SimpleNet {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 70 |     fn numerical_gradient_vec(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `funtion_2` is never used
[INFO] [stdout]    --> src/chapter4/simple_net.rs:126:8
[INFO] [stdout]     |
[INFO] [stdout] 126 |     fn funtion_2(x: &na::DVector<f64>) -> f64 {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.26s
[INFO] running `Command { std: "docker" "inspect" "dc7f800d38c48f2698c61a6403cafbaed1878321cbf09cfa9753c2f36744c9df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc7f800d38c48f2698c61a6403cafbaed1878321cbf09cfa9753c2f36744c9df", kill_on_drop: false }`
[INFO] [stdout] dc7f800d38c48f2698c61a6403cafbaed1878321cbf09cfa9753c2f36744c9df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1a239662c56b4730491cea42796690958eb4cd8f9b0df9cb9dbe5c69eb72486e
[INFO] running `Command { std: "docker" "start" "-a" "1a239662c56b4730491cea42796690958eb4cd8f9b0df9cb9dbe5c69eb72486e", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `train_flg`
[INFO] [stderr]   --> multi_layer_net/src/layers/affine_layer.rs:14:50
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn forwards(&mut self, x: &na::DMatrix<f64>, train_flg: bool) -> na::DMatrix<f64> {
[INFO] [stderr]    |                                                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_train_flg`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `train_flg`
[INFO] [stderr]  --> multi_layer_net/src/layers/relu_layer.rs:8:50
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn forwards(&mut self, x: &na::DMatrix<f64>, train_flg: bool) -> na::DMatrix<f64> {
[INFO] [stderr]   |                                                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_train_flg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `train_flg`
[INFO] [stderr]  --> multi_layer_net/src/layers/sigmoid_layer.rs:8:50
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn forwards(&mut self, x: &na::DMatrix<f64>, train_flg: bool) -> na::DMatrix<f64> {
[INFO] [stderr]   |                                                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_train_flg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dout`
[INFO] [stderr]   --> multi_layer_net/src/layers/softmax_with_loss_layer.rs:23:29
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn backwards(&self, dout: f64) -> na::DMatrix<f64> {
[INFO] [stderr]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_dout`
[INFO] [stderr] 
[INFO] [stderr] warning: function `broadcast_vector_rowwise` is never used
[INFO] [stderr]   --> multi_layer_net/src/lib.rs:24:15
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub(crate) fn broadcast_vector_rowwise<T: Scalar + Copy + Debug + rand_distr::num_traits::Zero>(
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `input_size`, `hidden_size_list`, and `output_size` are never read
[INFO] [stderr]   --> multi_layer_net/src/multi_layer_net_extended.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub struct MultiLayerNetExtended {
[INFO] [stderr]    |            --------------------- fields in this struct
[INFO] [stderr] 17 |     input_size: usize,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 18 |     hidden_size_list: Vec<usize>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 19 |     output_size: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `multi_layer_net` (lib) generated 6 warnings (run `cargo fix --lib -p multi_layer_net` to apply 4 suggestions)
[INFO] [stderr] warning: unused import: `na::dmatrix`
[INFO] [stderr]  --> src/chapter6/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use na::dmatrix;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ParallelBridge`
[INFO] [stderr]   --> src/chapter6/main.rs:13:55
[INFO] [stderr]    |
[INFO] [stderr] 13 |     IndexedParallelIterator, IntoParallelRefIterator, ParallelBridge, ParallelIterator,
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `multi_layer_net::multi_layer_net`
[INFO] [stderr]  --> src/chapter6/over_fit_decay_batch_norm.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use multi_layer_net::multi_layer_net;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sgd`
[INFO] [stderr]  --> src/chapter6/over_fit_decay_batch_norm.rs:9:17
[INFO] [stderr]   |
[INFO] [stderr] 9 |     optimiser::{sgd, sgd_ext},
[INFO] [stderr]   |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `broadcast_vector_rowwise` is never used
[INFO] [stderr]    --> src/chapter6/main.rs:113:8
[INFO] [stderr]     |
[INFO] [stderr] 113 |     fn broadcast_vector_rowwise<T: na::Scalar + Copy + rand_distr::num_traits::Zero>(
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `AdaGrad` is never constructed
[INFO] [stderr]  --> src/chapter6/optimiser/ada_grad.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | struct AdaGrad {
[INFO] [stderr]   |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `H` is never constructed
[INFO] [stderr]  --> src/chapter6/optimiser/ada_grad.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | struct H {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/chapter6/optimiser/ada_grad.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | impl H {
[INFO] [stderr]    | ------ associated function in this implementation
[INFO] [stderr] 15 |     fn new() -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new` and `update` are never used
[INFO] [stderr]   --> src/chapter6/optimiser/ada_grad.rs:29:12
[INFO] [stderr]    |
[INFO] [stderr] 28 | impl AdaGrad {
[INFO] [stderr]    | ------------ associated items in this implementation
[INFO] [stderr] 29 |     pub fn new(lr: f64) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 33 |     pub fn update(&mut self, params: &Rc<RefCell<Params>>, grads: &Grads) {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Momentum` is never constructed
[INFO] [stderr]  --> src/chapter6/optimiser/momentum.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | struct Momentum {
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `V` is never constructed
[INFO] [stderr]   --> src/chapter6/optimiser/momentum.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | struct V {
[INFO] [stderr]    |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new` and `update` are never used
[INFO] [stderr]   --> src/chapter6/optimiser/momentum.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 15 | impl Momentum {
[INFO] [stderr]    | ------------- associated items in this implementation
[INFO] [stderr] 16 |     pub fn new(lr: f64, momentum: f64) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 24 |     pub fn update(&mut self, params: &Rc<RefCell<Params>>, grads: &Grads) {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/chapter6/optimiser/momentum.rs:61:8
[INFO] [stderr]    |
[INFO] [stderr] 60 | impl V {
[INFO] [stderr]    | ------ associated function in this implementation
[INFO] [stderr] 61 |     fn new() -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `train_img_label`
[INFO] [stderr]   --> src/chapter3/show_mnist.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let train_img_label = mnist::load_label(mnist::DatasetType::TestLabel, &dataset_dir);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_train_img_label`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `softmax` is never used
[INFO] [stderr]   --> src/chapter3/main.rs:60:4
[INFO] [stderr]    |
[INFO] [stderr] 60 | fn softmax(x: na::RowDVector<f64>) -> RowDVector<f64> {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Deref`
[INFO] [stderr]  --> src/chapter4/simple_net.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ops::Deref;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `DMatrix`
[INFO] [stderr]  --> src/chapter4/simple_net.rs:3:16
[INFO] [stderr]   |
[INFO] [stderr] 3 | use nalgebra::{DMatrix, DVector};
[INFO] [stderr]   |                ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `DatasetType`, `load_label`, `load_normalised_image`, and `self`
[INFO] [stderr]  --> src/chapter4/two_layer_net.rs:1:20
[INFO] [stderr]   |
[INFO] [stderr] 1 | use mylib::mnist::{self, load_label, load_normalised_image, DatasetType};
[INFO] [stderr]   |                    ^^^^  ^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `OMatrix`
[INFO] [stderr]  --> src/chapter4/main.rs:7:24
[INFO] [stderr]   |
[INFO] [stderr] 7 | use na::{DVector, Dyn, OMatrix};
[INFO] [stderr]   |                        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `net`
[INFO] [stderr]    --> src/chapter4/simple_net.rs:129:9
[INFO] [stderr]     |
[INFO] [stderr] 129 |     let net = SimpleNet::new();
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_net`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `sum_squared_error` is never used
[INFO] [stderr]   --> src/chapter4/main.rs:45:4
[INFO] [stderr]    |
[INFO] [stderr] 45 | fn sum_squared_error(y: na::DVector<f64>, t: na::DVector<u8>) -> f64 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `numerical_gradient_vec` is never used
[INFO] [stderr]   --> src/chapter4/simple_net.rs:70:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl SimpleNet {
[INFO] [stderr]    | -------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 70 |     fn numerical_gradient_vec(
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `funtion_2` is never used
[INFO] [stderr]    --> src/chapter4/simple_net.rs:126:8
[INFO] [stderr]     |
[INFO] [stderr] 126 |     fn funtion_2(x: &na::DVector<f64>) -> f64 {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Ref`
[INFO] [stderr]  --> src/chapter5/two_layer_net.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 |     cell::{Ref, RefCell},
[INFO] [stderr]   |            ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dout`
[INFO] [stderr]   --> src/chapter5/layers/softmax_with_loss_layer.rs:23:29
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn backwards(&self, dout: f64) -> na::DMatrix<f64> {
[INFO] [stderr]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_dout`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `test_img`
[INFO] [stderr]    --> src/chapter5/two_layer_net.rs:225:9
[INFO] [stderr]     |
[INFO] [stderr] 225 |     let test_img = load_normalised_image(DatasetType::TestImg, &dataset_dir).flatten();
[INFO] [stderr]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_img`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `test_label`
[INFO] [stderr]    --> src/chapter5/two_layer_net.rs:226:9
[INFO] [stderr]     |
[INFO] [stderr] 226 |     let test_label = load_label(DatasetType::TestLabel, &dataset_dir).as_one_hot();
[INFO] [stderr]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_label`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/chapter5/two_layer_net.rs:302:9
[INFO] [stderr]     |
[INFO] [stderr] 302 |     let mut network = TwoLayerNet::new(784, 50, 10);
[INFO] [stderr]     |         ----^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `oreilly_deep_learning` (bin "oreilly_deep_learning_chapter6" test) generated 13 warnings (run `cargo fix --bin "oreilly_deep_learning_chapter6" -p oreilly_deep_learning --tests` to apply 4 suggestions)
[INFO] [stderr] warning: `oreilly_deep_learning` (bin "oreilly_deep_learning_chapter3" test) generated 2 warnings (run `cargo fix --bin "oreilly_deep_learning_chapter3" -p oreilly_deep_learning --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `oreilly_deep_learning` (bin "oreilly_deep_learning_chapter4" test) generated 8 warnings (run `cargo fix --bin "oreilly_deep_learning_chapter4" -p oreilly_deep_learning --tests` to apply 5 suggestions)
[INFO] [stderr] warning: `oreilly_deep_learning` (bin "oreilly_deep_learning_chapter5" test) generated 5 warnings (run `cargo fix --bin "oreilly_deep_learning_chapter5" -p oreilly_deep_learning --tests` to apply 5 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running unittests src/chapter2/main.rs (/opt/rustwide/target/debug/deps/oreilly_deep_learning_chapter2-92a4315edde4b2f1)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_or ... ok
[INFO] [stdout] test test_xor ... ok
[INFO] [stdout] test test_nand ... ok
[INFO] [stdout] test test_and ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/chapter3/main.rs (/opt/rustwide/target/debug/deps/oreilly_deep_learning_chapter3-96860954e2de3f3c)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test_forward ... ok
[INFO] [stdout] test show_mnist::test_img_show ... FAILED
[INFO] [stderr] 
[INFO] [stderr] thread 'test_step_function' (34) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/font-kit-0.11.0/src/loaders/freetype.rs:847:26:
[INFO] [stderr] unsafe precondition(s) violated: slice::from_raw_parts requires the pointer to be aligned and non-null, and the total size of the slice not to exceed `isize::MAX`
[INFO] [stderr] 
[INFO] [stderr] This indicates a bug in the program. This Undefined Behavior check is optional, and cannot be relied on for safety.
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5bf9dcc3f25a - std[b80a194dd3c418bb]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]    1:     0x5bf9dcc3f25a - std[b80a194dd3c418bb]::backtrace_rs::backtrace::trace_unsynchronized::<std[b80a194dd3c418bb]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]    2:     0x5bf9dcc3f25a - std[b80a194dd3c418bb]::sys::backtrace::_print_fmt
[INFO] [stderr]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]    3:     0x5bf9dcc3f25a - <<std[b80a194dd3c418bb]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[10b6fa85044e1869]::fmt::Display>::fmt
[INFO] [stderr]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]    4:     0x5bf9dcc572da - <core[10b6fa85044e1869]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]    5:     0x5bf9dcc572da - core[10b6fa85044e1869]::fmt::write
[INFO] [stderr]    6:     0x5bf9dcc44f82 - std[b80a194dd3c418bb]::io::default_write_fmt::<std[b80a194dd3c418bb]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/io/mod.rs:639:11
[INFO] [stderr]    7:     0x5bf9dcc44f82 - <std[b80a194dd3c418bb]::sys::stdio::unix::Stderr as std[b80a194dd3c418bb]::io::Write>::write_fmt
[INFO] [stderr]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]    8:     0x5bf9dcc1c09f - <std[b80a194dd3c418bb]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]    9:     0x5bf9dcc1c09f - std[b80a194dd3c418bb]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:292:27
[INFO] [stderr]   10:     0x5bf9dcc36e41 - std[b80a194dd3c418bb]::panicking::default_hook
[INFO] [stderr]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:319:9
[INFO] [stderr]   11:     0x5bf9dc5e1e3c - <alloc[dd269455e567d8e9]::boxed::Box<dyn for<'a, 'b> core[10b6fa85044e1869]::ops::function::Fn<(&'a std[b80a194dd3c418bb]::panic::PanicHookInfo<'b>,), Output = ()> + core[10b6fa85044e1869]::marker::Sync + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::Fn<(&std[b80a194dd3c418bb]::panic::PanicHookInfo,)>>::call
[INFO] [stderr]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2254:9
[INFO] [stderr]   12:     0x5bf9dc5e1e3c - test[826cbc6ef54ab466]::test_main_with_exit_callback::<test[826cbc6ef54ab466]::test_main::{closure#0}>::{closure#0}
[INFO] [stderr]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:145:21
[INFO] [stderr]   13:     0x5bf9dcc370f2 - <alloc[dd269455e567d8e9]::boxed::Box<dyn for<'a, 'b> core[10b6fa85044e1869]::ops::function::Fn<(&'a std[b80a194dd3c418bb]::panic::PanicHookInfo<'b>,), Output = ()> + core[10b6fa85044e1869]::marker::Sync + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::Fn<(&std[b80a194dd3c418bb]::panic::PanicHookInfo,)>>::call
[INFO] [stderr]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2254:9
[INFO] [stderr]   14:     0x5bf9dcc370f2 - std[b80a194dd3c418bb]::panicking::panic_with_hook
[INFO] [stderr]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:833:13
[INFO] [stderr]   15:     0x5bf9dcc1c18a - std[b80a194dd3c418bb]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:691:13
[INFO] [stderr]   16:     0x5bf9dcc13779 - std[b80a194dd3c418bb]::sys::backtrace::__rust_end_short_backtrace::<std[b80a194dd3c418bb]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]   17:     0x5bf9dcc1d0cd - __rustc[9698a3e60dd14283]::rust_begin_unwind
[INFO] [stderr]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:689:5
[INFO] [stderr]   18:     0x5bf9dcc579dd - core[10b6fa85044e1869]::panicking::panic_nounwind_fmt::runtime
[INFO] [stderr]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panicking.rs:122:22
[INFO] [stderr]   19:     0x5bf9dcc579dd - core[10b6fa85044e1869]::panicking::panic_nounwind_fmt
[INFO] [stderr]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/intrinsics/mod.rs:2447:9
[INFO] [stderr]   20:     0x5bf9dc651ca1 - core::slice::raw::from_raw_parts::precondition_check::h360e14b27f931798
[INFO] [stderr]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ub_checks.rs:73:21
[INFO] [stderr]   21:     0x5bf9dc651bd7 - core::slice::raw::from_raw_parts::h57bc6aea1fc87edd
[INFO] [stderr]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ub_checks.rs:78:17
[INFO] [stderr]   22:     0x5bf9dc648858 - font_kit::loaders::freetype::Font::rasterize_glyph::he56fbf6301666a97
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/font-kit-0.11.0/src/loaders/freetype.rs:847:26
[INFO] [stderr]   23:     0x5bf9dc5a375d - <plotters::style::font::ttf::FontDataInternal as plotters::style::font::FontData>::draw::h556904e5ed83ec98
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/plotters-0.3.5/src/style/font/ttf.rs:266:22
[INFO] [stderr]   24:     0x5bf9dc5b8293 - plotters::style::font::font_desc::FontDesc::draw::h5f8bdd0a1f1fd3ef
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/plotters-0.3.5/src/style/font/font_desc.rs:168:34
[INFO] [stderr]   25:     0x5bf9dc5bfd99 - <plotters::style::text::TextStyle as plotters_backend::text::BackendTextStyle>::draw::h93a3b067c87507ea
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/plotters-0.3.5/src/style/text.rs:322:19
[INFO] [stderr]   26:     0x5bf9dc5a0197 - plotters_backend::DrawingBackend::draw_text::h8f4188cc430a4279
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/plotters-backend-0.3.5/src/lib.rs:250:21
[INFO] [stderr]   27:     0x5bf9dc5ad03d - plotters::drawing::area::DrawingArea<DB,plotters::coord::Shift>::titled::{{closure}}::h4eacf7cca282c185
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/plotters-0.3.5/src/drawing/area.rs:496:15
[INFO] [stderr]   28:     0x5bf9dc5a9f8a - plotters::drawing::area::DrawingArea<DB,CT>::backend_ops::h0cb40c1b54ba3074
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/plotters-0.3.5/src/drawing/area.rs:282:13
[INFO] [stderr]   29:     0x5bf9dc5acc36 - plotters::drawing::area::DrawingArea<DB,plotters::coord::Shift>::titled::h847afc1d03e33afb
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/plotters-0.3.5/src/drawing/area.rs:495:14
[INFO] [stderr]   30:     0x5bf9dc5c320c - plotters::chart::builder::ChartBuilder<DB>::build_cartesian_2d::hd82a2ac23f6d954b
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/plotters-0.3.5/src/chart/builder.rs:332:41
[INFO] [stderr]   31:     0x5bf9dc5b0631 - oreilly_deep_learning_chapter3::test_step_function::hd35a9a30eba49ffe
[INFO] [stderr]                                at /opt/rustwide/workdir/src/chapter3/main.rs:127:10
[INFO] [stderr]   32:     0x5bf9dc5b0b17 - oreilly_deep_learning_chapter3::test_step_function::{{closure}}::hb21c2761de0c02c3
[INFO] [stderr]                                at /opt/rustwide/workdir/src/chapter3/main.rs:113:24
[INFO] [stderr]   33:     0x5bf9dc5b1e76 - core::ops::function::FnOnce::call_once::h54f33a778d9ede07
[INFO] [stderr]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   34:     0x5bf9dc5d5f1b - <fn() -> core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   35:     0x5bf9dc5d5f1b - test[826cbc6ef54ab466]::__rust_begin_short_backtrace::<core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>, fn() -> core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stderr]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:663:18
[INFO] [stderr]   36:     0x5bf9dc5e290b - test[826cbc6ef54ab466]::run_test_in_process::{closure#0}
[INFO] [stderr]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:686:74
[INFO] [stderr]   37:     0x5bf9dc5e290b - <core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stderr]   38:     0x5bf9dc5e290b - std[b80a194dd3c418bb]::panicking::catch_unwind::do_call::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>, core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stderr]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
[INFO] [stderr]   39:     0x5bf9dc5e290b - std[b80a194dd3c418bb]::panicking::catch_unwind::<core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>, core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>>
[INFO] [stderr]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:544:19
[INFO] [stderr]   40:     0x5bf9dc5e290b - std[b80a194dd3c418bb]::panic::catch_unwind::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>, core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stderr]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panic.rs:359:14
[INFO] [stderr]   41:     0x5bf9dc5e290b - test[826cbc6ef54ab466]::run_test_in_process
[INFO] [stderr]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:686:27
[INFO] [stderr]   42:     0x5bf9dc5e290b - test[826cbc6ef54ab466]::run_test::{closure#0}
[INFO] [stderr]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:607:43
[INFO] [stderr]   43:     0x5bf9dc5de024 - test[826cbc6ef54ab466]::run_test::{closure#1}
[INFO] [stderr]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:637:41
[INFO] [stderr]   44:     0x5bf9dc5de024 - std[b80a194dd3c418bb]::sys::backtrace::__rust_begin_short_backtrace::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>
[INFO] [stderr]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:166:18
[INFO] [stderr]   45:     0x5bf9dc5e5512 - std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stderr]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stderr]   46:     0x5bf9dc5e5512 - <core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stderr]   47:     0x5bf9dc5e5512 - std[b80a194dd3c418bb]::panicking::catch_unwind::do_call::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stderr]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
[INFO] [stderr]   48:     0x5bf9dc5e5512 - std[b80a194dd3c418bb]::panicking::catch_unwind::<(), core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stderr]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:544:19
[INFO] [stderr]   49:     0x5bf9dc5e5512 - std[b80a194dd3c418bb]::panic::catch_unwind::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stderr]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panic.rs:359:14
[INFO] [stderr]   50:     0x5bf9dc5e5512 - std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stderr]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stderr]   51:     0x5bf9dc5e5512 - <std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1} as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   52:     0x5bf9dcc3eb2f - <alloc[dd269455e567d8e9]::boxed::Box<dyn core[10b6fa85044e1869]::ops::function::FnOnce<(), Output = ()> + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2240:9
[INFO] [stderr]   53:     0x5bf9dcc3eb2f - <std[b80a194dd3c418bb]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stderr]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stderr]   54:     0x769669088aa4 - <unknown>
[INFO] [stderr]   55:     0x769669115a64 - clone
[INFO] [stderr]   56:                0x0 - <unknown>
[INFO] [stderr] thread caused non-unwinding panic. aborting.
[INFO] [stderr] error: test failed, to rerun pass `--bin oreilly_deep_learning_chapter3`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/oreilly_deep_learning_chapter3-96860954e2de3f3c` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "1a239662c56b4730491cea42796690958eb4cd8f9b0df9cb9dbe5c69eb72486e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a239662c56b4730491cea42796690958eb4cd8f9b0df9cb9dbe5c69eb72486e", kill_on_drop: false }`
[INFO] [stdout] 1a239662c56b4730491cea42796690958eb4cd8f9b0df9cb9dbe5c69eb72486e
