[INFO] cloning repository https://github.com/colin-riddell/simple-rust-nn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/colin-riddell/simple-rust-nn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolin-riddell%2Fsimple-rust-nn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolin-riddell%2Fsimple-rust-nn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 941d6356e5ace82d2283c77c983f4dd4271eda53
[INFO] testing colin-riddell/simple-rust-nn against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolin-riddell%2Fsimple-rust-nn" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/colin-riddell/simple-rust-nn
[INFO] finished tweaking git repo https://github.com/colin-riddell/simple-rust-nn
[INFO] tweaked toml for git repo https://github.com/colin-riddell/simple-rust-nn written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/colin-riddell/simple-rust-nn on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/colin-riddell/simple-rust-nn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "0021d9251d63a1c022b5c2233b7566eec76b5fce5771279db0f1d7bbed3c4d9e", kill_on_drop: false }`
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[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling weezl v0.1.5
[INFO] [stderr]    Compiling serde v1.0.188
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[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling syn v2.0.32
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling bitflags v1.3.2
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[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling gif v0.11.3
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling bytemuck v1.7.2
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling tiff v0.6.1
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling rust-neural-network v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand::*`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::*;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize` and `Serialize`
[INFO] [stdout]  --> src/main.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde::{Serialize, Deserialize};
[INFO] [stdout]   |             ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::*`
[INFO] [stdout]  --> src/network/Network.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fs::*;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::*`
[INFO] [stdout]  --> src/images/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fs::*;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::*`
[INFO] [stdout]  --> src/mnist.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::*;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize` and `Serialize`
[INFO] [stdout]  --> src/mnist.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde::{Serialize, Deserialize};
[INFO] [stdout]   |             ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/mnist.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils::random_f64`
[INFO] [stdout]  --> src/mnist.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::utils::random_f64;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/mnist.rs:85:11
[INFO] [stdout]    |
[INFO] [stdout] 85 |         if(train_data.len() != train_labels.len()){
[INFO] [stdout]    |           ^                                      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 85 -         if(train_data.len() != train_labels.len()){
[INFO] [stdout] 85 +         if train_data.len() != train_labels.len() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/mnist2.rs:37:7
[INFO] [stdout]    |
[INFO] [stdout] 37 |     if(train_data.len() != train_labels.len()){
[INFO] [stdout]    |       ^                                      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 37 -     if(train_data.len() != train_labels.len()){
[INFO] [stdout] 37 +     if train_data.len() != train_labels.len() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `simple_problem::train_simple_problem`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use simple_problem::train_simple_problem;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand`
[INFO] [stdout]  --> src/network/Network.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::*;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `image`
[INFO] [stdout]  --> src/network/Network.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use image::*;
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `current_rate` is assigned to, but never used
[INFO] [stdout]    --> src/network/Network.rs:120:17
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let mut current_rate = rate;
[INFO] [stdout]     |                 ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_current_rate` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hidden_val`
[INFO] [stdout]    --> src/network/Network.rs:145:34
[INFO] [stdout]     |
[INFO] [stdout] 145 |                 for (i, (neuron, hidden_val)) in self.hidden_layer.neurons.iter_mut().zip(hidden_output.iter()).enumerate() {
[INFO] [stdout]     |                                  ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hidden_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/network/Network.rs:125:21
[INFO] [stdout]     |
[INFO] [stdout] 125 |                 let mut output_preds = self.output_layer.predict(&hidden_output);
[INFO] [stdout]     |                     ----^^^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `out_of_range_images`
[INFO] [stdout]   --> src/images/mod.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let out_of_range_images: Vec<String> = vec![];
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_out_of_range_images`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `non_8_bit_images`
[INFO] [stdout]   --> src/images/mod.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let non_8_bit_images: Vec<String> = vec![];
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_non_8_bit_images`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/mnist.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let mut network = Network::new(IMG_WIDTH * IMG_HEIGHT, 10, 2);
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/mnist.rs:109:18
[INFO] [stdout]     |
[INFO] [stdout] 109 |             for (index, file) in zero_test_files.iter().enumerate() {
[INFO] [stdout]     |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LEARNING_RATE_DECAY` is never used
[INFO] [stdout]   --> src/network/Network.rs:32:7
[INFO] [stdout]    |
[INFO] [stdout] 32 | const LEARNING_RATE_DECAY: f64 = 0.995;  // Adjust as needed
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MOMENTUM` is never used
[INFO] [stdout]   --> src/network/Network.rs:33:7
[INFO] [stdout]    |
[INFO] [stdout] 33 | const MOMENTUM: f64 = 0.9;  // Adjust as needed
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `L2_REG` is never used
[INFO] [stdout]   --> src/network/Network.rs:34:7
[INFO] [stdout]    |
[INFO] [stdout] 34 | const L2_REG: f64 = 0.00001;  // L2 regularization strength
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `to_string`, `from_string`, `save`, and `train` are never used
[INFO] [stdout]    --> src/network/Network.rs:85:12
[INFO] [stdout]     |
[INFO] [stdout] 78  | impl Network {
[INFO] [stdout]     | ------------ associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 85  |     pub fn to_string(&self) -> String {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90  |     pub fn from_string(s: &str) -> Network {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 95  |     pub fn save(&mut self, filename: &str){
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |     pub fn train(&mut self, inputs: &Vec<Vec<f64>>, outputs: &Vec<Vec<f64>>, rate: f64, epochs: usize) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_within_range` is never used
[INFO] [stdout]   --> src/images/mod.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn is_within_range(img: &GrayImage) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_8_bit_grayscale` is never used
[INFO] [stdout]   --> src/images/mod.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn is_8_bit_grayscale(img_path: &std::path::Path) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_image` is never used
[INFO] [stdout]   --> src/images/mod.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn check_image() {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_f64` is never used
[INFO] [stdout]  --> src/utils.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn random_f64() -> f64 {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_files` is never used
[INFO] [stdout]   --> src/utils.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn get_files(dir: &str) -> Vec<String> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vectorized_result` is never used
[INFO] [stdout]   --> src/mnist.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn vectorized_result(label: usize) -> Vec<f64> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `train`, `save`, and `test_one` are never used
[INFO] [stdout]   --> src/mnist.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub trait TrainableCharacterModel {
[INFO] [stdout]    |           ----------------------- methods in this trait
[INFO] [stdout] 30 |     fn train(&mut self);
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 31 |     fn save(&mut self, filename: &str);
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 32 |     fn load(&mut self, filename: &str);
[INFO] [stdout] 33 |     fn test_one(&mut self, letter: &str);
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encode_letter` is never used
[INFO] [stdout]    --> src/mnist.rs:190:4
[INFO] [stdout]     |
[INFO] [stdout] 190 | fn encode_letter(c: &str) -> Option<Vec<f64>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_mnist_letter_testing` is never used
[INFO] [stdout]    --> src/mnist.rs:209:4
[INFO] [stdout]     |
[INFO] [stdout] 209 | fn get_mnist_letter_testing(letter: &str)-> Vec<String>{
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_mnist_letter_training` is never used
[INFO] [stdout]    --> src/mnist.rs:214:4
[INFO] [stdout]     |
[INFO] [stdout] 214 | fn get_mnist_letter_training(letter: &str)-> Vec<String>{
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `train_simple_problem` is never used
[INFO] [stdout]  --> src/simple_problem.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn train_simple_problem() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `IMG_WIDTH` is never used
[INFO] [stdout]  --> src/mnist2.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const IMG_WIDTH: usize = 28;
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `IMG_HEIGHT` is never used
[INFO] [stdout]  --> src/mnist2.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const IMG_HEIGHT: usize = 28;
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `train_and_test` is never used
[INFO] [stdout]   --> src/mnist2.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn train_and_test() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `image_to_vector` is never used
[INFO] [stdout]   --> src/mnist2.rs:74:4
[INFO] [stdout]    |
[INFO] [stdout] 74 | fn image_to_vector(img: &GrayImage) -> Vec<f64> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vectorized_result` is never used
[INFO] [stdout]   --> src/mnist2.rs:78:4
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn vectorized_result(label: usize) -> Vec<f64> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `mnistModel` should have a snake case name
[INFO] [stdout]   --> src/main.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut mnistModel = FullMnist::new();
[INFO] [stdout]    |             ^^^^^^^^^^ help: convert the identifier to snake case: `mnist_model`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Network` should have a snake case name
[INFO] [stdout]  --> src/network/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod Network;
[INFO] [stdout]   |         ^^^^^^^ help: convert the identifier to snake case: `network`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/images/mod.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |         if pixel[0] < 0 || pixel[0] > 255 {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/images/mod.rs:30:28
[INFO] [stdout]    |
[INFO] [stdout] 30 |         if pixel[0] < 0 || pixel[0] > 255 {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 49.42s
[INFO] running `Command { std: "docker" "inspect" "2eb6ff2d1e55f63b11c5f2f86e59529f202842c7bef606a4d9c88ed63601fa88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eb6ff2d1e55f63b11c5f2f86e59529f202842c7bef606a4d9c88ed63601fa88", kill_on_drop: false }`
[INFO] [stdout] 2eb6ff2d1e55f63b11c5f2f86e59529f202842c7bef606a4d9c88ed63601fa88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 0387c150195a0c26726a920eac50e05996d9f349eed61bd98020e564d5de36ad
[INFO] running `Command { std: "docker" "start" "-a" "0387c150195a0c26726a920eac50e05996d9f349eed61bd98020e564d5de36ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-neural-network v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand::*`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::*;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize` and `Serialize`
[INFO] [stdout]  --> src/main.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde::{Serialize, Deserialize};
[INFO] [stdout]   |             ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::*`
[INFO] [stdout]  --> src/network/Network.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fs::*;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::*`
[INFO] [stdout]  --> src/images/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fs::*;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::*`
[INFO] [stdout]  --> src/mnist.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::*;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize` and `Serialize`
[INFO] [stdout]  --> src/mnist.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde::{Serialize, Deserialize};
[INFO] [stdout]   |             ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/mnist.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils::random_f64`
[INFO] [stdout]  --> src/mnist.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::utils::random_f64;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/mnist.rs:85:11
[INFO] [stdout]    |
[INFO] [stdout] 85 |         if(train_data.len() != train_labels.len()){
[INFO] [stdout]    |           ^                                      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 85 -         if(train_data.len() != train_labels.len()){
[INFO] [stdout] 85 +         if train_data.len() != train_labels.len() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/mnist2.rs:37:7
[INFO] [stdout]    |
[INFO] [stdout] 37 |     if(train_data.len() != train_labels.len()){
[INFO] [stdout]    |       ^                                      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 37 -     if(train_data.len() != train_labels.len()){
[INFO] [stdout] 37 +     if train_data.len() != train_labels.len() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `simple_problem::train_simple_problem`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use simple_problem::train_simple_problem;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand`
[INFO] [stdout]  --> src/network/Network.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::*;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `image`
[INFO] [stdout]  --> src/network/Network.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use image::*;
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `current_rate` is assigned to, but never used
[INFO] [stdout]    --> src/network/Network.rs:120:17
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let mut current_rate = rate;
[INFO] [stdout]     |                 ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_current_rate` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hidden_val`
[INFO] [stdout]    --> src/network/Network.rs:145:34
[INFO] [stdout]     |
[INFO] [stdout] 145 |                 for (i, (neuron, hidden_val)) in self.hidden_layer.neurons.iter_mut().zip(hidden_output.iter()).enumerate() {
[INFO] [stdout]     |                                  ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hidden_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/network/Network.rs:125:21
[INFO] [stdout]     |
[INFO] [stdout] 125 |                 let mut output_preds = self.output_layer.predict(&hidden_output);
[INFO] [stdout]     |                     ----^^^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `out_of_range_images`
[INFO] [stdout]   --> src/images/mod.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let out_of_range_images: Vec<String> = vec![];
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_out_of_range_images`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `non_8_bit_images`
[INFO] [stdout]   --> src/images/mod.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let non_8_bit_images: Vec<String> = vec![];
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_non_8_bit_images`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/mnist.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let mut network = Network::new(IMG_WIDTH * IMG_HEIGHT, 10, 2);
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/mnist.rs:109:18
[INFO] [stdout]     |
[INFO] [stdout] 109 |             for (index, file) in zero_test_files.iter().enumerate() {
[INFO] [stdout]     |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LEARNING_RATE_DECAY` is never used
[INFO] [stdout]   --> src/network/Network.rs:32:7
[INFO] [stdout]    |
[INFO] [stdout] 32 | const LEARNING_RATE_DECAY: f64 = 0.995;  // Adjust as needed
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MOMENTUM` is never used
[INFO] [stdout]   --> src/network/Network.rs:33:7
[INFO] [stdout]    |
[INFO] [stdout] 33 | const MOMENTUM: f64 = 0.9;  // Adjust as needed
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `L2_REG` is never used
[INFO] [stdout]   --> src/network/Network.rs:34:7
[INFO] [stdout]    |
[INFO] [stdout] 34 | const L2_REG: f64 = 0.00001;  // L2 regularization strength
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `to_string`, `from_string`, `save`, and `train` are never used
[INFO] [stdout]    --> src/network/Network.rs:85:12
[INFO] [stdout]     |
[INFO] [stdout] 78  | impl Network {
[INFO] [stdout]     | ------------ associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 85  |     pub fn to_string(&self) -> String {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90  |     pub fn from_string(s: &str) -> Network {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 95  |     pub fn save(&mut self, filename: &str){
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |     pub fn train(&mut self, inputs: &Vec<Vec<f64>>, outputs: &Vec<Vec<f64>>, rate: f64, epochs: usize) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_within_range` is never used
[INFO] [stdout]   --> src/images/mod.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn is_within_range(img: &GrayImage) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_8_bit_grayscale` is never used
[INFO] [stdout]   --> src/images/mod.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn is_8_bit_grayscale(img_path: &std::path::Path) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_image` is never used
[INFO] [stdout]   --> src/images/mod.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn check_image() {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_f64` is never used
[INFO] [stdout]  --> src/utils.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn random_f64() -> f64 {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_files` is never used
[INFO] [stdout]   --> src/utils.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn get_files(dir: &str) -> Vec<String> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vectorized_result` is never used
[INFO] [stdout]   --> src/mnist.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn vectorized_result(label: usize) -> Vec<f64> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `train`, `save`, and `test_one` are never used
[INFO] [stdout]   --> src/mnist.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub trait TrainableCharacterModel {
[INFO] [stdout]    |           ----------------------- methods in this trait
[INFO] [stdout] 30 |     fn train(&mut self);
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 31 |     fn save(&mut self, filename: &str);
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 32 |     fn load(&mut self, filename: &str);
[INFO] [stdout] 33 |     fn test_one(&mut self, letter: &str);
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encode_letter` is never used
[INFO] [stdout]    --> src/mnist.rs:190:4
[INFO] [stdout]     |
[INFO] [stdout] 190 | fn encode_letter(c: &str) -> Option<Vec<f64>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_mnist_letter_testing` is never used
[INFO] [stdout]    --> src/mnist.rs:209:4
[INFO] [stdout]     |
[INFO] [stdout] 209 | fn get_mnist_letter_testing(letter: &str)-> Vec<String>{
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_mnist_letter_training` is never used
[INFO] [stdout]    --> src/mnist.rs:214:4
[INFO] [stdout]     |
[INFO] [stdout] 214 | fn get_mnist_letter_training(letter: &str)-> Vec<String>{
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `train_simple_problem` is never used
[INFO] [stdout]  --> src/simple_problem.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn train_simple_problem() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `IMG_WIDTH` is never used
[INFO] [stdout]  --> src/mnist2.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const IMG_WIDTH: usize = 28;
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `IMG_HEIGHT` is never used
[INFO] [stdout]  --> src/mnist2.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const IMG_HEIGHT: usize = 28;
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `train_and_test` is never used
[INFO] [stdout]   --> src/mnist2.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn train_and_test() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `image_to_vector` is never used
[INFO] [stdout]   --> src/mnist2.rs:74:4
[INFO] [stdout]    |
[INFO] [stdout] 74 | fn image_to_vector(img: &GrayImage) -> Vec<f64> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vectorized_result` is never used
[INFO] [stdout]   --> src/mnist2.rs:78:4
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn vectorized_result(label: usize) -> Vec<f64> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `mnistModel` should have a snake case name
[INFO] [stdout]   --> src/main.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut mnistModel = FullMnist::new();
[INFO] [stdout]    |             ^^^^^^^^^^ help: convert the identifier to snake case: `mnist_model`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Network` should have a snake case name
[INFO] [stdout]  --> src/network/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod Network;
[INFO] [stdout]   |         ^^^^^^^ help: convert the identifier to snake case: `network`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/images/mod.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |         if pixel[0] < 0 || pixel[0] > 255 {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/images/mod.rs:30:28
[INFO] [stdout]    |
[INFO] [stdout] 30 |         if pixel[0] < 0 || pixel[0] > 255 {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "0387c150195a0c26726a920eac50e05996d9f349eed61bd98020e564d5de36ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0387c150195a0c26726a920eac50e05996d9f349eed61bd98020e564d5de36ad", kill_on_drop: false }`
[INFO] [stdout] 0387c150195a0c26726a920eac50e05996d9f349eed61bd98020e564d5de36ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] b0d7af3eea3ceca21fe3b99b9ec104ac558eeff00a5790c2b24ec609d93d0166
[INFO] running `Command { std: "docker" "start" "-a" "b0d7af3eea3ceca21fe3b99b9ec104ac558eeff00a5790c2b24ec609d93d0166", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `rand::*`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use rand::*;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Deserialize` and `Serialize`
[INFO] [stderr]  --> src/main.rs:2:13
[INFO] [stderr]   |
[INFO] [stderr] 2 | use serde::{Serialize, Deserialize};
[INFO] [stderr]   |             ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::*`
[INFO] [stderr]  --> src/network/Network.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::fs::*;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::*`
[INFO] [stderr]  --> src/images/mod.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::fs::*;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::*`
[INFO] [stderr]  --> src/mnist.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rand::*;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Deserialize` and `Serialize`
[INFO] [stderr]  --> src/mnist.rs:4:13
[INFO] [stderr]   |
[INFO] [stderr] 4 | use serde::{Serialize, Deserialize};
[INFO] [stderr]   |             ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]  --> src/mnist.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::Write;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::utils::random_f64`
[INFO] [stderr]  --> src/mnist.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use crate::utils::random_f64;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/mnist.rs:85:11
[INFO] [stderr]    |
[INFO] [stderr] 85 |         if(train_data.len() != train_labels.len()){
[INFO] [stderr]    |           ^                                      ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 85 -         if(train_data.len() != train_labels.len()){
[INFO] [stderr] 85 +         if train_data.len() != train_labels.len() {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/mnist2.rs:37:7
[INFO] [stderr]    |
[INFO] [stderr] 37 |     if(train_data.len() != train_labels.len()){
[INFO] [stderr]    |       ^                                      ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 37 -     if(train_data.len() != train_labels.len()){
[INFO] [stderr] 37 +     if train_data.len() != train_labels.len() {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `simple_problem::train_simple_problem`
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use simple_problem::train_simple_problem;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand`
[INFO] [stderr]  --> src/network/Network.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use rand::*;
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `image`
[INFO] [stderr]  --> src/network/Network.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use image::*;
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `current_rate` is assigned to, but never used
[INFO] [stderr]    --> src/network/Network.rs:120:17
[INFO] [stderr]     |
[INFO] [stderr] 120 |         let mut current_rate = rate;
[INFO] [stderr]     |                 ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_current_rate` instead
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hidden_val`
[INFO] [stderr]    --> src/network/Network.rs:145:34
[INFO] [stderr]     |
[INFO] [stderr] 145 |                 for (i, (neuron, hidden_val)) in self.hidden_layer.neurons.iter_mut().zip(hidden_output.iter()).enumerate() {
[INFO] [stderr]     |                                  ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hidden_val`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/network/Network.rs:125:21
[INFO] [stderr]     |
[INFO] [stderr] 125 |                 let mut output_preds = self.output_layer.predict(&hidden_output);
[INFO] [stderr]     |                     ----^^^^^^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `out_of_range_images`
[INFO] [stderr]   --> src/images/mod.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |     let out_of_range_images: Vec<String> = vec![];
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_out_of_range_images`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `non_8_bit_images`
[INFO] [stderr]   --> src/images/mod.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 |     let non_8_bit_images: Vec<String> = vec![];
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_non_8_bit_images`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/mnist.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |         let mut network = Network::new(IMG_WIDTH * IMG_HEIGHT, 10, 2);
[INFO] [stderr]    |             ----^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]    --> src/mnist.rs:109:18
[INFO] [stderr]     |
[INFO] [stderr] 109 |             for (index, file) in zero_test_files.iter().enumerate() {
[INFO] [stderr]     |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `LEARNING_RATE_DECAY` is never used
[INFO] [stderr]   --> src/network/Network.rs:32:7
[INFO] [stderr]    |
[INFO] [stderr] 32 | const LEARNING_RATE_DECAY: f64 = 0.995;  // Adjust as needed
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `MOMENTUM` is never used
[INFO] [stderr]   --> src/network/Network.rs:33:7
[INFO] [stderr]    |
[INFO] [stderr] 33 | const MOMENTUM: f64 = 0.9;  // Adjust as needed
[INFO] [stderr]    |       ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `L2_REG` is never used
[INFO] [stderr]   --> src/network/Network.rs:34:7
[INFO] [stderr]    |
[INFO] [stderr] 34 | const L2_REG: f64 = 0.00001;  // L2 regularization strength
[INFO] [stderr]    |       ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `to_string`, `from_string`, `save`, and `train` are never used
[INFO] [stderr]    --> src/network/Network.rs:85:12
[INFO] [stderr]     |
[INFO] [stderr] 78  | impl Network {
[INFO] [stderr]     | ------------ associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 85  |     pub fn to_string(&self) -> String {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 90  |     pub fn from_string(s: &str) -> Network {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 95  |     pub fn save(&mut self, filename: &str){
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 119 |     pub fn train(&mut self, inputs: &Vec<Vec<f64>>, outputs: &Vec<Vec<f64>>, rate: f64, epochs: usize) {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `is_within_range` is never used
[INFO] [stderr]   --> src/images/mod.rs:28:4
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn is_within_range(img: &GrayImage) -> bool {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `is_8_bit_grayscale` is never used
[INFO] [stderr]   --> src/images/mod.rs:37:4
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn is_8_bit_grayscale(img_path: &std::path::Path) -> bool {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `check_image` is never used
[INFO] [stderr]   --> src/images/mod.rs:51:8
[INFO] [stderr]    |
[INFO] [stderr] 51 | pub fn check_image() {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `random_f64` is never used
[INFO] [stderr]  --> src/utils.rs:2:8
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub fn random_f64() -> f64 {
[INFO] [stderr]   |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_files` is never used
[INFO] [stderr]   --> src/utils.rs:20:8
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub fn get_files(dir: &str) -> Vec<String> {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `vectorized_result` is never used
[INFO] [stderr]   --> src/mnist.rs:17:4
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn vectorized_result(label: usize) -> Vec<f64> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `train`, `save`, and `test_one` are never used
[INFO] [stderr]   --> src/mnist.rs:30:8
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub trait TrainableCharacterModel {
[INFO] [stderr]    |           ----------------------- methods in this trait
[INFO] [stderr] 30 |     fn train(&mut self);
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 31 |     fn save(&mut self, filename: &str);
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 32 |     fn load(&mut self, filename: &str);
[INFO] [stderr] 33 |     fn test_one(&mut self, letter: &str);
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `encode_letter` is never used
[INFO] [stderr]    --> src/mnist.rs:190:4
[INFO] [stderr]     |
[INFO] [stderr] 190 | fn encode_letter(c: &str) -> Option<Vec<f64>> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_mnist_letter_testing` is never used
[INFO] [stderr]    --> src/mnist.rs:209:4
[INFO] [stderr]     |
[INFO] [stderr] 209 | fn get_mnist_letter_testing(letter: &str)-> Vec<String>{
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_mnist_letter_training` is never used
[INFO] [stderr]    --> src/mnist.rs:214:4
[INFO] [stderr]     |
[INFO] [stderr] 214 | fn get_mnist_letter_training(letter: &str)-> Vec<String>{
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `train_simple_problem` is never used
[INFO] [stderr]  --> src/simple_problem.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn train_simple_problem() {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `IMG_WIDTH` is never used
[INFO] [stderr]  --> src/mnist2.rs:7:7
[INFO] [stderr]   |
[INFO] [stderr] 7 | const IMG_WIDTH: usize = 28;
[INFO] [stderr]   |       ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `IMG_HEIGHT` is never used
[INFO] [stderr]  --> src/mnist2.rs:8:7
[INFO] [stderr]   |
[INFO] [stderr] 8 | const IMG_HEIGHT: usize = 28;
[INFO] [stderr]   |       ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `train_and_test` is never used
[INFO] [stderr]   --> src/mnist2.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub fn train_and_test() {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `image_to_vector` is never used
[INFO] [stderr]   --> src/mnist2.rs:74:4
[INFO] [stderr]    |
[INFO] [stderr] 74 | fn image_to_vector(img: &GrayImage) -> Vec<f64> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `vectorized_result` is never used
[INFO] [stderr]   --> src/mnist2.rs:78:4
[INFO] [stderr]    |
[INFO] [stderr] 78 | fn vectorized_result(label: usize) -> Vec<f64> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `mnistModel` should have a snake case name
[INFO] [stderr]   --> src/main.rs:18:13
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 18 |     let mut mnistModel = FullMnist::new();
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |             ^^^^^^^^^^ help: convert the identifier to snake case: `mnist_model`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: module `Network` should have a snake case name
[INFO] [stderr]  --> src/network/mod.rs:1:9
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub mod Network;
[INFO] [stderr]   |         ^^^^^^^ help: convert the identifier to snake case: `network`
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]   --> src/images/mod.rs:30:12
[INFO] [stderr]    |
[INFO] [stderr] 30 |         if pixel[0] < 0 || pixel[0] > 255 {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]   --> src/images/mod.rs:30:28
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 30 |         if pixel[0] < 0 || pixel[0] > 255 {
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-neural-network` (bin "rust-neural-network" test) generated 44 warnings (run `cargo fix --bin "rust-neural-network" --tests` to apply 13 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/rust_neural_network-99785960183eaab2)
[INFO] running `Command { std: "docker" "inspect" "b0d7af3eea3ceca21fe3b99b9ec104ac558eeff00a5790c2b24ec609d93d0166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0d7af3eea3ceca21fe3b99b9ec104ac558eeff00a5790c2b24ec609d93d0166", kill_on_drop: false }`
[INFO] [stdout] b0d7af3eea3ceca21fe3b99b9ec104ac558eeff00a5790c2b24ec609d93d0166