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[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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting oreilly_deep_learning v0.1.0 (/opt/rustwide/workdir)
[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] 
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