[INFO] fetching crate fksainetwork 0.2.0...
[INFO] testing fksainetwork-0.2.0 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate fksainetwork 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate fksainetwork 0.2.0
[INFO] finished tweaking crates.io crate fksainetwork 0.2.0
[INFO] tweaked toml for crates.io crate fksainetwork 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fksainetwork 0.2.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 24 packages to highest compatible versions
[INFO] [stderr]       Adding bincode v2.0.1 (available: v3.0.0)
[INFO] [stderr]       Adding bincode_derive v2.0.1 (available: v3.0.0)
[INFO] [stderr]       Adding rand v0.8.8 (available: v0.10.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] f5524191256caf10280f3f6ba85bf8101c72493af0368d02d987076c23edd3f0
[INFO] running `Command { std: "docker" "start" "f5524191256caf10280f3f6ba85bf8101c72493af0368d02d987076c23edd3f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5524191256caf10280f3f6ba85bf8101c72493af0368d02d987076c23edd3f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f5524191256caf10280f3f6ba85bf8101c72493af0368d02d987076c23edd3f0" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5524191256caf10280f3f6ba85bf8101c72493af0368d02d987076c23edd3f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f5524191256caf10280f3f6ba85bf8101c72493af0368d02d987076c23edd3f0" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling virtue v0.0.18
[INFO] [stderr]    Compiling unty v0.0.4
[INFO] [stderr]    Compiling bmp v0.5.0
[INFO] [stderr]    Compiling bincode_derive v2.0.1
[INFO] [stderr]    Compiling bincode v2.0.1
[INFO] [stderr]    Compiling fksainetwork v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::cmp::min`
[INFO] [stdout]  --> src/loss.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::min;
[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: `crate::util::max`
[INFO] [stdout]  --> src/loss.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::util::max;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:739:37
[INFO] [stdout]     |
[INFO] [stdout] 739 | ...                   let mut err_term_mat = &mut output_layer.error_terms[value_layer_idx];
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:740:37
[INFO] [stdout]     |
[INFO] [stdout] 740 | ...                   let mut derivative_mat = &output_layer.learning_val[value_layer_idx];
[INFO] [stdout]     |                           ----^^^^^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:741:37
[INFO] [stdout]     |
[INFO] [stdout] 741 | ...                   let mut raw_mat = &output_layer.raws[value_layer_idx];
[INFO] [stdout]     |                           ----^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:742:37
[INFO] [stdout]     |
[INFO] [stdout] 742 | ...                   let mut switch_mat = &output_layer.switch[value_layer_idx];
[INFO] [stdout]     |                           ----^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:743:37
[INFO] [stdout]     |
[INFO] [stdout] 743 | ...                   let mut pool_mat = &output_layer.pooleds[value_layer_idx];
[INFO] [stdout]     |                           ----^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:803:41
[INFO] [stdout]     |
[INFO] [stdout] 803 | ...                   let mut out = &mut output_layer.normalize_grad[value_layer_idx];
[INFO] [stdout]     |                           ----^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `error_total` is assigned to, but never used
[INFO] [stdout]    --> src/lib.rs:747:37
[INFO] [stdout]     |
[INFO] [stdout] 747 | ...                   let mut error_total = 0.0f32;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_error_total` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `error_total` is never read
[INFO] [stdout]    --> src/lib.rs:782:37
[INFO] [stdout]     |
[INFO] [stdout] 782 | ...                   error_total = 0.0;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 807 | ...                   error_total *= output_layer.normalize_data[value_layer_idx].0;
[INFO] [stdout]     |                       ------------------------------------------------------------- `error_total` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `error_total` is never read
[INFO] [stdout]    --> src/lib.rs:807:37
[INFO] [stdout]     |
[INFO] [stdout] 794 | / ...                                   error_total += (arr_len as f32 * err_term_mat.get(x, y) -
[INFO] [stdout] 795 | | ...                                       error_gamma -
[INFO] [stdout] 796 | | ...                                       raw_mat.get(x, y) * error_gamma_times_raw) *
[INFO] [stdout] 797 | | ...                                       std_inv_length_inv;
[INFO] [stdout]     | |____________________________________________________________- `error_total` is overwritten here before the previous value is read
[INFO] [stdout] ...
[INFO] [stdout] 807 |   ...                   error_total *= output_layer.normalize_data[value_layer_idx].0;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `error_total` is never read
[INFO] [stdout]    --> src/lib.rs:794:53
[INFO] [stdout]     |
[INFO] [stdout] 794 | / ...                   error_total += (arr_len as f32 * err_term_mat.get(x, y) -
[INFO] [stdout] 795 | | ...                       error_gamma -
[INFO] [stdout] 796 | | ...                       raw_mat.get(x, y) * error_gamma_times_raw) *
[INFO] [stdout] 797 | | ...                       std_inv_length_inv;
[INFO] [stdout]     | |____________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Matrix` is more private than the item `ConvolutionalNetwork::calculate`
[INFO] [stdout]    --> src/lib.rs:661:13
[INFO] [stdout]     |
[INFO] [stdout] 661 |             pub fn calculate(&mut self, inputs: &[&Matrix]) -> Vec<f32> {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `ConvolutionalNetwork::calculate` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `Matrix` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> src/util.rs:4:1
[INFO] [stdout]     |
[INFO] [stdout]   4 | pub(crate) struct Matrix {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Matrix` is more private than the item `ConvolutionalNetwork::learn`
[INFO] [stdout]    --> src/lib.rs:699:13
[INFO] [stdout]     |
[INFO] [stdout] 699 |             pub fn learn(&mut self, learning_rate: f32, inputs: &Vec<Vec<&Matrix>>, expecteds: &Vec<Vec<f32>>) {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `ConvolutionalNetwork::learn` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `Matrix` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> src/util.rs:4:1
[INFO] [stdout]     |
[INFO] [stdout]   4 | pub(crate) struct Matrix {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `loss` is never used
[INFO] [stdout]   --> src/loss.rs:14:19
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Loss {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 14 |     pub(crate) fn loss(&self, result: &[f32], expected: &[f32]) -> f32 {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 3.92s
[INFO] running `Command { std: "docker" "inspect" "f5524191256caf10280f3f6ba85bf8101c72493af0368d02d987076c23edd3f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f5524191256caf10280f3f6ba85bf8101c72493af0368d02d987076c23edd3f0" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `std::cmp::min`
[INFO] [stdout]  --> src/loss.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::min;
[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: `crate::util::max`
[INFO] [stdout]  --> src/loss.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::util::max;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:739:37
[INFO] [stdout]     |
[INFO] [stdout] 739 | ...                   let mut err_term_mat = &mut output_layer.error_terms[value_layer_idx];
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:740:37
[INFO] [stdout]     |
[INFO] [stdout] 740 | ...                   let mut derivative_mat = &output_layer.learning_val[value_layer_idx];
[INFO] [stdout]     |                           ----^^^^^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:741:37
[INFO] [stdout]     |
[INFO] [stdout] 741 | ...                   let mut raw_mat = &output_layer.raws[value_layer_idx];
[INFO] [stdout]     |                           ----^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:742:37
[INFO] [stdout]     |
[INFO] [stdout] 742 | ...                   let mut switch_mat = &output_layer.switch[value_layer_idx];
[INFO] [stdout]     |                           ----^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:743:37
[INFO] [stdout]     |
[INFO] [stdout] 743 | ...                   let mut pool_mat = &output_layer.pooleds[value_layer_idx];
[INFO] [stdout]     |                           ----^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:803:41
[INFO] [stdout]     |
[INFO] [stdout] 803 | ...                   let mut out = &mut output_layer.normalize_grad[value_layer_idx];
[INFO] [stdout]     |                           ----^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `error_total` is assigned to, but never used
[INFO] [stdout]    --> src/lib.rs:747:37
[INFO] [stdout]     |
[INFO] [stdout] 747 | ...                   let mut error_total = 0.0f32;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_error_total` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `error_total` is never read
[INFO] [stdout]    --> src/lib.rs:782:37
[INFO] [stdout]     |
[INFO] [stdout] 782 | ...                   error_total = 0.0;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 807 | ...                   error_total *= output_layer.normalize_data[value_layer_idx].0;
[INFO] [stdout]     |                       ------------------------------------------------------------- `error_total` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `error_total` is never read
[INFO] [stdout]    --> src/lib.rs:807:37
[INFO] [stdout]     |
[INFO] [stdout] 794 | / ...                                   error_total += (arr_len as f32 * err_term_mat.get(x, y) -
[INFO] [stdout] 795 | | ...                                       error_gamma -
[INFO] [stdout] 796 | | ...                                       raw_mat.get(x, y) * error_gamma_times_raw) *
[INFO] [stdout] 797 | | ...                                       std_inv_length_inv;
[INFO] [stdout]     | |____________________________________________________________- `error_total` is overwritten here before the previous value is read
[INFO] [stdout] ...
[INFO] [stdout] 807 |   ...                   error_total *= output_layer.normalize_data[value_layer_idx].0;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `error_total` is never read
[INFO] [stdout]    --> src/lib.rs:794:53
[INFO] [stdout]     |
[INFO] [stdout] 794 | / ...                   error_total += (arr_len as f32 * err_term_mat.get(x, y) -
[INFO] [stdout] 795 | | ...                       error_gamma -
[INFO] [stdout] 796 | | ...                       raw_mat.get(x, y) * error_gamma_times_raw) *
[INFO] [stdout] 797 | | ...                       std_inv_length_inv;
[INFO] [stdout]     | |____________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Matrix` is more private than the item `ConvolutionalNetwork::calculate`
[INFO] [stdout]    --> src/lib.rs:661:13
[INFO] [stdout]     |
[INFO] [stdout] 661 |             pub fn calculate(&mut self, inputs: &[&Matrix]) -> Vec<f32> {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `ConvolutionalNetwork::calculate` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `Matrix` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> src/util.rs:4:1
[INFO] [stdout]     |
[INFO] [stdout]   4 | pub(crate) struct Matrix {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Matrix` is more private than the item `ConvolutionalNetwork::learn`
[INFO] [stdout]    --> src/lib.rs:699:13
[INFO] [stdout]     |
[INFO] [stdout] 699 |             pub fn learn(&mut self, learning_rate: f32, inputs: &Vec<Vec<&Matrix>>, expecteds: &Vec<Vec<f32>>) {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `ConvolutionalNetwork::learn` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `Matrix` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> src/util.rs:4:1
[INFO] [stdout]     |
[INFO] [stdout]   4 | pub(crate) struct Matrix {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `loss` is never used
[INFO] [stdout]   --> src/loss.rs:14:19
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Loss {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 14 |     pub(crate) fn loss(&self, result: &[f32], expected: &[f32]) -> f32 {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling fksainetwork v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::activation::Activation`
[INFO] [stdout]  --> src/tests/dog_cat_face_test.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     use crate::activation::Activation;
[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: `crate::initialization::Initialization`
[INFO] [stdout]   --> src/tests/dog_cat_face_test.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     use crate::initialization::Initialization;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ConvolutionalNetwork`
[INFO] [stdout]   --> src/tests/dog_cat_face_test.rs:12:48
[INFO] [stdout]    |
[INFO] [stdout] 12 |     use crate::network::cnn::{cnn_network_bmp, ConvolutionalNetwork, load_cnn_network, save_cnn_network};
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::pooling::Pooling`
[INFO] [stdout]   --> src/tests/dog_cat_face_test.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     use crate::pooling::Pooling;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/tests/dog_cat_face_test.rs:148:20
[INFO] [stdout]     |
[INFO] [stdout] 148 |                 if (cur_error < prev_err) {
[INFO] [stdout]     |                    ^                    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 148 -                 if (cur_error < prev_err) {
[INFO] [stdout] 148 +                 if cur_error < prev_err {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/tests/dog_cat_face_test.rs:153:24
[INFO] [stdout]     |
[INFO] [stdout] 153 |                     if (chance == 0) {
[INFO] [stdout]     |                        ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 153 -                     if (chance == 0) {
[INFO] [stdout] 153 +                     if chance == 0 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::min`
[INFO] [stdout]  --> src/loss.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::min;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::util::max`
[INFO] [stdout]  --> src/loss.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::util::max;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/tests/dog_cat_face_test.rs:152:21
[INFO] [stdout]     |
[INFO] [stdout] 151 |                     break;
[INFO] [stdout]     |                     ----- any code following this expression is unreachable
[INFO] [stdout] 152 |                     chance -= 1;
[INFO] [stdout]     |                     ^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/tests/dog_cat_face_test.rs:116:17
[INFO] [stdout]     |
[INFO] [stdout] 116 |             let mut chance = 3;
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/tests/dog_cat_face_test.rs:117:17
[INFO] [stdout]     |
[INFO] [stdout] 117 |             let mut learning_rate = 0.01;
[INFO] [stdout]     |                 ----^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `chance`
[INFO] [stdout]    --> src/tests/dog_cat_face_test.rs:116:17
[INFO] [stdout]     |
[INFO] [stdout] 116 |             let mut chance = 3;
[INFO] [stdout]     |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_chance`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:739:37
[INFO] [stdout]     |
[INFO] [stdout] 739 | ...                   let mut err_term_mat = &mut output_layer.error_terms[value_layer_idx];
[INFO] [stdout]     |                           ----^^^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:740:37
[INFO] [stdout]     |
[INFO] [stdout] 740 | ...                   let mut derivative_mat = &output_layer.learning_val[value_layer_idx];
[INFO] [stdout]     |                           ----^^^^^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:741:37
[INFO] [stdout]     |
[INFO] [stdout] 741 | ...                   let mut raw_mat = &output_layer.raws[value_layer_idx];
[INFO] [stdout]     |                           ----^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:742:37
[INFO] [stdout]     |
[INFO] [stdout] 742 | ...                   let mut switch_mat = &output_layer.switch[value_layer_idx];
[INFO] [stdout]     |                           ----^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:743:37
[INFO] [stdout]     |
[INFO] [stdout] 743 | ...                   let mut pool_mat = &output_layer.pooleds[value_layer_idx];
[INFO] [stdout]     |                           ----^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:803:41
[INFO] [stdout]     |
[INFO] [stdout] 803 | ...                   let mut out = &mut output_layer.normalize_grad[value_layer_idx];
[INFO] [stdout]     |                           ----^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `error_total` is assigned to, but never used
[INFO] [stdout]    --> src/lib.rs:747:37
[INFO] [stdout]     |
[INFO] [stdout] 747 | ...                   let mut error_total = 0.0f32;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_error_total` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `error_total` is never read
[INFO] [stdout]    --> src/lib.rs:782:37
[INFO] [stdout]     |
[INFO] [stdout] 782 | ...                   error_total = 0.0;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 807 | ...                   error_total *= output_layer.normalize_data[value_layer_idx].0;
[INFO] [stdout]     |                       ------------------------------------------------------------- `error_total` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `error_total` is never read
[INFO] [stdout]    --> src/lib.rs:807:37
[INFO] [stdout]     |
[INFO] [stdout] 794 | / ...                                   error_total += (arr_len as f32 * err_term_mat.get(x, y) -
[INFO] [stdout] 795 | | ...                                       error_gamma -
[INFO] [stdout] 796 | | ...                                       raw_mat.get(x, y) * error_gamma_times_raw) *
[INFO] [stdout] 797 | | ...                                       std_inv_length_inv;
[INFO] [stdout]     | |____________________________________________________________- `error_total` is overwritten here before the previous value is read
[INFO] [stdout] ...
[INFO] [stdout] 807 |   ...                   error_total *= output_layer.normalize_data[value_layer_idx].0;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `error_total` is never read
[INFO] [stdout]    --> src/lib.rs:794:53
[INFO] [stdout]     |
[INFO] [stdout] 794 | / ...                   error_total += (arr_len as f32 * err_term_mat.get(x, y) -
[INFO] [stdout] 795 | | ...                       error_gamma -
[INFO] [stdout] 796 | | ...                       raw_mat.get(x, y) * error_gamma_times_raw) *
[INFO] [stdout] 797 | | ...                       std_inv_length_inv;
[INFO] [stdout]     | |____________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Matrix` is more private than the item `ConvolutionalNetwork::calculate`
[INFO] [stdout]    --> src/lib.rs:661:13
[INFO] [stdout]     |
[INFO] [stdout] 661 |             pub fn calculate(&mut self, inputs: &[&Matrix]) -> Vec<f32> {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `ConvolutionalNetwork::calculate` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `Matrix` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> src/util.rs:4:1
[INFO] [stdout]     |
[INFO] [stdout]   4 | pub(crate) struct Matrix {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Matrix` is more private than the item `ConvolutionalNetwork::learn`
[INFO] [stdout]    --> src/lib.rs:699:13
[INFO] [stdout]     |
[INFO] [stdout] 699 |             pub fn learn(&mut self, learning_rate: f32, inputs: &Vec<Vec<&Matrix>>, expecteds: &Vec<Vec<f32>>) {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `ConvolutionalNetwork::learn` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `Matrix` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> src/util.rs:4:1
[INFO] [stdout]     |
[INFO] [stdout]   4 | pub(crate) struct Matrix {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 1.75s
[INFO] running `Command { std: "docker" "inspect" "f5524191256caf10280f3f6ba85bf8101c72493af0368d02d987076c23edd3f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f5524191256caf10280f3f6ba85bf8101c72493af0368d02d987076c23edd3f0" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::cmp::min`
[INFO] [stderr]  --> src/loss.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::cmp::min;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::util::max`
[INFO] [stderr]  --> src/loss.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::util::max;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:739:37
[INFO] [stderr]     |
[INFO] [stderr] 739 | ...                   let mut err_term_mat = &mut output_layer.error_terms[value_layer_idx];
[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: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:740:37
[INFO] [stderr]     |
[INFO] [stderr] 740 | ...                   let mut derivative_mat = &output_layer.learning_val[value_layer_idx];
[INFO] [stderr]     |                           ----^^^^^^^^^^^^^^
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:741:37
[INFO] [stderr]     |
[INFO] [stderr] 741 | ...                   let mut raw_mat = &output_layer.raws[value_layer_idx];
[INFO] [stderr]     |                           ----^^^^^^^
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:742:37
[INFO] [stderr]     |
[INFO] [stderr] 742 | ...                   let mut switch_mat = &output_layer.switch[value_layer_idx];
[INFO] [stderr]     |                           ----^^^^^^^^^^
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:743:37
[INFO] [stderr]     |
[INFO] [stderr] 743 | ...                   let mut pool_mat = &output_layer.pooleds[value_layer_idx];
[INFO] [stderr]     |                           ----^^^^^^^^
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:803:41
[INFO] [stderr]     |
[INFO] [stderr] 803 | ...                   let mut out = &mut output_layer.normalize_grad[value_layer_idx];
[INFO] [stderr]     |                           ----^^^
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `error_total` is assigned to, but never used
[INFO] [stderr]    --> src/lib.rs:747:37
[INFO] [stderr]     |
[INFO] [stderr] 747 | ...                   let mut error_total = 0.0f32;
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_error_total` instead
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `error_total` is never read
[INFO] [stderr]    --> src/lib.rs:782:37
[INFO] [stderr]     |
[INFO] [stderr] 782 | ...                   error_total = 0.0;
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stderr] ...
[INFO] [stderr] 807 | ...                   error_total *= output_layer.normalize_data[value_layer_idx].0;
[INFO] [stderr]     |                       ------------------------------------------------------------- `error_total` is overwritten here before the previous value is read
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `error_total` is never read
[INFO] [stderr]    --> src/lib.rs:807:37
[INFO] [stderr]     |
[INFO] [stderr] 794 | / ...                                   error_total += (arr_len as f32 * err_term_mat.get(x, y) -
[INFO] [stderr] 795 | | ...                                       error_gamma -
[INFO] [stderr] 796 | | ...                                       raw_mat.get(x, y) * error_gamma_times_raw) *
[INFO] [stderr] 797 | | ...                                       std_inv_length_inv;
[INFO] [stderr]     | |____________________________________________________________- `error_total` is overwritten here before the previous value is read
[INFO] [stderr] ...
[INFO] [stderr] 807 |   ...                   error_total *= output_layer.normalize_data[value_layer_idx].0;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `error_total` is never read
[INFO] [stderr]    --> src/lib.rs:794:53
[INFO] [stderr]     |
[INFO] [stderr] 794 | / ...                   error_total += (arr_len as f32 * err_term_mat.get(x, y) -
[INFO] [stderr] 795 | | ...                       error_gamma -
[INFO] [stderr] 796 | | ...                       raw_mat.get(x, y) * error_gamma_times_raw) *
[INFO] [stderr] 797 | | ...                       std_inv_length_inv;
[INFO] [stderr]     | |____________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: type `Matrix` is more private than the item `ConvolutionalNetwork::calculate`
[INFO] [stderr]    --> src/lib.rs:661:13
[INFO] [stderr]     |
[INFO] [stderr] 661 |             pub fn calculate(&mut self, inputs: &[&Matrix]) -> Vec<f32> {
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `ConvolutionalNetwork::calculate` is reachable at visibility `pub`
[INFO] [stderr]     |
[INFO] [stderr] note: but type `Matrix` is only usable at visibility `pub(crate)`
[INFO] [stderr]    --> src/util.rs:4:1
[INFO] [stderr]     |
[INFO] [stderr]   4 | pub(crate) struct Matrix {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `Matrix` is more private than the item `ConvolutionalNetwork::learn`
[INFO] [stderr]    --> src/lib.rs:699:13
[INFO] [stderr]     |
[INFO] [stderr] 699 |             pub fn learn(&mut self, learning_rate: f32, inputs: &Vec<Vec<&Matrix>>, expecteds: &Vec<Vec<f32>>) {
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `ConvolutionalNetwork::learn` is reachable at visibility `pub`
[INFO] [stderr]     |
[INFO] [stderr] note: but type `Matrix` is only usable at visibility `pub(crate)`
[INFO] [stderr]    --> src/util.rs:4:1
[INFO] [stderr]     |
[INFO] [stderr]   4 | pub(crate) struct Matrix {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `loss` is never used
[INFO] [stderr]   --> src/loss.rs:14:19
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl Loss {
[INFO] [stderr]    | --------- method in this implementation
[INFO] [stderr] 14 |     pub(crate) fn loss(&self, result: &[f32], expected: &[f32]) -> f32 {
[INFO] [stderr]    |                   ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::activation::Activation`
[INFO] [stderr]  --> src/tests/dog_cat_face_test.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     use crate::activation::Activation;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::initialization::Initialization`
[INFO] [stderr]   --> src/tests/dog_cat_face_test.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     use crate::initialization::Initialization;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ConvolutionalNetwork`
[INFO] [stderr]   --> src/tests/dog_cat_face_test.rs:12:48
[INFO] [stderr]    |
[INFO] [stderr] 12 |     use crate::network::cnn::{cnn_network_bmp, ConvolutionalNetwork, load_cnn_network, save_cnn_network};
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::pooling::Pooling`
[INFO] [stderr]   --> src/tests/dog_cat_face_test.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     use crate::pooling::Pooling;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/tests/dog_cat_face_test.rs:148:20
[INFO] [stderr]     |
[INFO] [stderr] 148 |                 if (cur_error < prev_err) {
[INFO] [stderr]     |                    ^                    ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 148 -                 if (cur_error < prev_err) {
[INFO] [stderr] 148 +                 if cur_error < prev_err {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/tests/dog_cat_face_test.rs:153:24
[INFO] [stderr]     |
[INFO] [stderr] 153 |                     if (chance == 0) {
[INFO] [stderr]     |                        ^           ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 153 -                     if (chance == 0) {
[INFO] [stderr] 153 +                     if chance == 0 {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp::min`
[INFO] [stderr]  --> src/loss.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::cmp::min;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/tests/dog_cat_face_test.rs:152:21
[INFO] [stderr]     |
[INFO] [stderr] 151 |                     break;
[INFO] [stderr]     |                     ----- any code following this expression is unreachable
[INFO] [stderr] 152 |                     chance -= 1;
[INFO] [stderr]     |                     ^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/tests/dog_cat_face_test.rs:116:17
[INFO] [stderr]     |
[INFO] [stderr] 116 |             let mut chance = 3;
[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: variable does not need to be mutable
[INFO] [stderr]    --> src/tests/dog_cat_face_test.rs:117:17
[INFO] [stderr]     |
[INFO] [stderr] 117 |             let mut learning_rate = 0.01;
[INFO] [stderr]     |                 ----^^^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `chance`
[INFO] [stderr]    --> src/tests/dog_cat_face_test.rs:116:17
[INFO] [stderr]     |
[INFO] [stderr] 116 |             let mut chance = 3;
[INFO] [stderr]     |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_chance`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:739:37
[INFO] [stderr]     |
[INFO] [stderr] 739 | ...                   let mut err_term_mat = &mut output_layer.error_terms[value_layer_idx];
[INFO] [stderr]     |                           ----^^^^^^^^^^^^
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `error_total` is assigned to, but never used
[INFO] [stderr]    --> src/lib.rs:747:37
[INFO] [stderr]     |
[INFO] [stderr] 747 | ...                   let mut error_total = 0.0f32;
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_error_total` instead
[INFO] [stderr] 
[INFO] [stderr] warning: `fksainetwork` (lib) generated 15 warnings (run `cargo fix --lib -p fksainetwork` to apply 8 suggestions)
[INFO] [stderr] warning: `fksainetwork` (lib test) generated 24 warnings (11 duplicates) (run `cargo fix --lib -p fksainetwork --tests` to apply 11 suggestions)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/build/fksainetwork/03efc47e853ff5be/out/fksainetwork-03efc47e853ff5be)
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::dog_cat_face_test::image_recognition_test::main ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::dog_cat_face_test::image_recognition_test::main stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::dog_cat_face_test::image_recognition_test::main' (237) panicked at src/lib.rs:968:39:
[INFO] [stdout] Unable to read file: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5d55e15f0461 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x5d55e1605b9a - core[a373ad73a504971]::fmt::write
[INFO] [stdout]    2:     0x5d55e15f49fc - <alloc[2e1b2a31b91974c5]::vec::Vec<u8> as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x5d55e15cb696 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x5d55e15e8569 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stdout]    5:     0x5d55e157dee0 - test[aada8e7e76ba119b]::test_main_inner::{closure#0}
[INFO] [stdout]    6:     0x5d55e15e8722 - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x5d55e15cb742 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x5d55e15c4109 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x5d55e15cc34d - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stdout]   10:     0x5d55e16062cc - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stdout]   11:     0x5d55e16060a2 - core[a373ad73a504971]::result::unwrap_failed
[INFO] [stdout]   12:     0x5d55e1569034 - fksainetwork[97452a1f1730407e]::network::cnn::load_cnn_network
[INFO] [stdout]   13:     0x5d55e1564b82 - <fksainetwork[97452a1f1730407e]::tests::dog_cat_face_test::image_recognition_test::main::{closure#0} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   14:     0x5d55e157132b - test[aada8e7e76ba119b]::__rust_begin_short_backtrace::<core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>, fn() -> core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>>
[INFO] [stdout]   15:     0x5d55e157e505 - test[aada8e7e76ba119b]::run_test::{closure#0}
[INFO] [stdout]   16:     0x5d55e1577df4 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>
[INFO] [stdout]   17:     0x5d55e1581592 - <std[617be2ca0a6fd877]::thread::lifecycle::spawn_unchecked<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>::{closure#1} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   18:     0x5d55e15ef9af - <std[617be2ca0a6fd877]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   19:     0x746c4f001dfa - <unknown>
[INFO] [stdout]   20:     0x746c4f0953d4 - clone
[INFO] [stdout]   21:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::dog_cat_face_test::image_recognition_test::main
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f5524191256caf10280f3f6ba85bf8101c72493af0368d02d987076c23edd3f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5524191256caf10280f3f6ba85bf8101c72493af0368d02d987076c23edd3f0", kill_on_drop: false }`
[INFO] [stdout] f5524191256caf10280f3f6ba85bf8101c72493af0368d02d987076c23edd3f0
