[INFO] cloning repository https://github.com/Azu-kitsu/Pure-Rust-AI
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Azu-kitsu/Pure-Rust-AI" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAzu-kitsu%2FPure-Rust-AI", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAzu-kitsu%2FPure-Rust-AI'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bb07903106564ee3ddb08804cda22a662f5c8bea
[INFO] checking Azu-kitsu/Pure-Rust-AI/bb07903106564ee3ddb08804cda22a662f5c8bea against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAzu-kitsu%2FPure-Rust-AI" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Azu-kitsu/Pure-Rust-AI on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Azu-kitsu/Pure-Rust-AI
[INFO] finished tweaking git repo https://github.com/Azu-kitsu/Pure-Rust-AI
[INFO] tweaked toml for git repo https://github.com/Azu-kitsu/Pure-Rust-AI written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Azu-kitsu/Pure-Rust-AI 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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_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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 521b8f885d21433f8eed754c00e24c9fdf185036636c5ff025972a1374bf7904
[INFO] running `Command { std: "docker" "start" "-a" "521b8f885d21433f8eed754c00e24c9fdf185036636c5ff025972a1374bf7904", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "521b8f885d21433f8eed754c00e24c9fdf185036636c5ff025972a1374bf7904", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "521b8f885d21433f8eed754c00e24c9fdf185036636c5ff025972a1374bf7904", kill_on_drop: false }`
[INFO] [stdout] 521b8f885d21433f8eed754c00e24c9fdf185036636c5ff025972a1374bf7904
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 558a6639e97e51ddec3bfe6d343ab3a19fbaab7a88948b17642a57cf2b5e4bde
[INFO] running `Command { std: "docker" "start" "-a" "558a6639e97e51ddec3bfe6d343ab3a19fbaab7a88948b17642a57cf2b5e4bde", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking serde_json v1.0.81
[INFO] [stderr]     Checking ai_learning_redo_3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `thread`
[INFO] [stdout]  --> src/main.rs:3:51
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{fmt, ops::Range, fs, io::{Read, Write}, thread, time::Instant}; //display, arguments as ranges, arguments as paths, read-file, ...
[INFO] [stdout]   |                                                   ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread`
[INFO] [stdout]  --> src/main.rs:3:51
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{fmt, ops::Range, fs, io::{Read, Write}, thread, time::Instant}; //display, arguments as ranges, arguments as paths, read-file, ...
[INFO] [stdout]   |                                                   ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `batch_num`
[INFO] [stdout]   --> src/main.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let batch_num = until / batch_size;
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_batch_num`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `batch_num`
[INFO] [stdout]   --> src/main.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let batch_num = until / batch_size;
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_batch_num`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bits`
[INFO] [stdout]   --> src/main.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let bits = batch_size / threads;
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_bits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bits`
[INFO] [stdout]   --> src/main.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let bits = batch_size / threads;
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_bits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:475:13
[INFO] [stdout]     |
[INFO] [stdout] 475 |             _ => {
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/main.rs:475:13
[INFO] [stdout]     |
[INFO] [stdout] 402 |             0 => {
[INFO] [stdout]     |             - matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 410 |             1 => {
[INFO] [stdout]     |             - matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 436 |             2.. => {   //the general case   
[INFO] [stdout]     |             --- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 475 |             _ => {
[INFO] [stdout]     |             ^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_batch` is never used
[INFO] [stdout]    --> src/main.rs:105:4
[INFO] [stdout]     |
[INFO] [stdout] 105 | fn calculate_batch(batch: Vec<Matrix>, labels: Vec<u8>, network: &mut Network) -> Vec<Derivatives> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:475:13
[INFO] [stdout]     |
[INFO] [stdout] 475 |             _ => {
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/main.rs:475:13
[INFO] [stdout]     |
[INFO] [stdout] 402 |             0 => {
[INFO] [stdout]     |             - matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 410 |             1 => {
[INFO] [stdout]     |             - matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 436 |             2.. => {   //the general case   
[INFO] [stdout]     |             --- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 475 |             _ => {
[INFO] [stdout]     |             ^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_batch` is never used
[INFO] [stdout]    --> src/main.rs:105:4
[INFO] [stdout]     |
[INFO] [stdout] 105 | fn calculate_batch(batch: Vec<Matrix>, labels: Vec<u8>, network: &mut Network) -> Vec<Derivatives> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `average_derivatives` is never used
[INFO] [stdout]    --> src/main.rs:122:4
[INFO] [stdout]     |
[INFO] [stdout] 122 | fn average_derivatives(derivs: Vec<Derivatives>) -> Derivatives {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `save_network` is never used
[INFO] [stdout]    --> src/main.rs:136:4
[INFO] [stdout]     |
[INFO] [stdout] 136 | fn save_network(name: &str, network: &Network) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sigmoid_derivative` is never used
[INFO] [stdout]    --> src/main.rs:192:4
[INFO] [stdout]     |
[INFO] [stdout] 192 | fn sigmoid_derivative(a: f64) -> f64 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gen_rands` is never used
[INFO] [stdout]    --> src/main.rs:197:4
[INFO] [stdout]     |
[INFO] [stdout] 197 | fn gen_rands(range: Range<f64>, n: usize) -> Vec<f64> { //the range to generate in and the number of elements it should generate
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rac` is never constructed
[INFO] [stdout]    --> src/main.rs:205:8
[INFO] [stdout]     |
[INFO] [stdout] 205 | struct Rac(usize, usize);
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new`, `add`, and `apply_division` are never used
[INFO] [stdout]    --> src/main.rs:215:8
[INFO] [stdout]     |
[INFO] [stdout] 214 | impl Derivatives {
[INFO] [stdout]     | ---------------- associated functions in this implementation
[INFO] [stdout] 215 |     fn new(n: usize) -> Derivatives {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 223 |     fn add(a: Derivatives, b: Derivatives) -> Derivatives {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 250 |     fn apply_division(a: Derivatives, div: f64) -> Derivatives {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `divide` is never used
[INFO] [stdout]    --> src/main.rs:296:4
[INFO] [stdout]     |
[INFO] [stdout] 296 | fn divide(a: f64, b: f64) -> f64 {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `clone` are never used
[INFO] [stdout]    --> src/main.rs:314:8
[INFO] [stdout]     |
[INFO] [stdout] 313 | impl Layer {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout] 314 |     fn new(prev_layer_row: usize, layer_row: usize, layer_col: usize) -> Layer {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 335 |     fn clone(&self) -> Layer {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `clone`, `calculate_derivatives`, and `update` are never used
[INFO] [stdout]    --> src/main.rs:344:8
[INFO] [stdout]     |
[INFO] [stdout] 343 | impl Network {
[INFO] [stdout]     | ------------ associated items in this implementation
[INFO] [stdout] 344 |     fn new(all_row: Vec<usize>) -> Network {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 385 |     fn clone(&self) -> Network {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 394 |     fn calculate_derivatives(&self, expected: Matrix) -> Derivatives {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 482 |     fn update(&mut self, derivative: Derivatives) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/matrix.rs:16:12
[INFO] [stdout]     |
[INFO] [stdout] 12  | impl Matrix {
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 16  |     pub fn new_empty(row: usize, col: usize) -> Matrix {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29  |     pub fn sub(a: &Matrix, b: &Matrix) -> Matrix {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 47  |     pub fn hadamard_product(a: &Matrix, b: &Matrix) -> Matrix {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76  |     pub fn transpose(&self) -> Matrix {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 101 |     pub fn flatten(&self) -> Matrix {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |     pub fn add_scalar(&self, scalar: f64) -> Matrix {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 113 |     pub fn scale(&self, scalar: f64) -> Matrix {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 117 |     pub fn apply(&mut self, f: &dyn Fn(f64) -> f64) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 133 |     pub fn apply_new_2(&self, p: f64, f: &dyn Fn(f64, f64) -> f64) -> Matrix {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 142 |     pub fn resize(&mut self, row: usize, col: usize) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `L` should have a snake case name
[INFO] [stdout]    --> src/main.rs:395:13
[INFO] [stdout]     |
[INFO] [stdout] 395 |         let L: usize = self.h_o.len() - 1;
[INFO] [stdout]     |             ^ help: convert the identifier to snake case: `l`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `dzL` should have a snake case name
[INFO] [stdout]    --> src/main.rs:403:21
[INFO] [stdout]     |
[INFO] [stdout] 403 |                 let dzL: Matrix = Matrix::sub(&self.h_o[L].main.apply_new(&sigmoid), &expected);
[INFO] [stdout]     |                     ^^^ help: convert the identifier to snake case: `dz_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `dwL` should have a snake case name
[INFO] [stdout]    --> src/main.rs:404:21
[INFO] [stdout]     |
[INFO] [stdout] 404 |                 let dwL: Matrix = dzL.multiply(&self.input.apply_new(&sigmoid).transpose());
[INFO] [stdout]     |                     ^^^ help: convert the identifier to snake case: `dw_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `dbL` should have a snake case name
[INFO] [stdout]    --> src/main.rs:405:21
[INFO] [stdout]     |
[INFO] [stdout] 405 |                 let dbL: Matrix = dzL.clone();
[INFO] [stdout]     |                     ^^^ help: convert the identifier to snake case: `db_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `average_derivatives` is never used
[INFO] [stdout]    --> src/main.rs:122:4
[INFO] [stdout]     |
[INFO] [stdout] 122 | fn average_derivatives(derivs: Vec<Derivatives>) -> Derivatives {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `save_network` is never used
[INFO] [stdout]    --> src/main.rs:136:4
[INFO] [stdout]     |
[INFO] [stdout] 136 | fn save_network(name: &str, network: &Network) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `dzL` should have a snake case name
[INFO] [stdout]    --> src/main.rs:411:21
[INFO] [stdout]     |
[INFO] [stdout] 411 |                 let dzL: Matrix = Matrix::sub(&self.h_o[L].main.apply_new(&sigmoid), &expected);
[INFO] [stdout]     |                     ^^^ help: convert the identifier to snake case: `dz_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `dwL` should have a snake case name
[INFO] [stdout]    --> src/main.rs:414:21
[INFO] [stdout]     |
[INFO] [stdout] 414 |                 let dwL: Matrix = dzL.multiply(&self.h_o[L-1].main.apply_new(&sigmoid).transpose()); //
[INFO] [stdout]     |                     ^^^ help: convert the identifier to snake case: `dw_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sigmoid_derivative` is never used
[INFO] [stdout]    --> src/main.rs:192:4
[INFO] [stdout]     |
[INFO] [stdout] 192 | fn sigmoid_derivative(a: f64) -> f64 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `dbL` should have a snake case name
[INFO] [stdout]    --> src/main.rs:415:21
[INFO] [stdout]     |
[INFO] [stdout] 415 |                 let dbL: Matrix = dzL.clone();
[INFO] [stdout]     |                     ^^^ help: convert the identifier to snake case: `db_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `dzL` should have a snake case name
[INFO] [stdout]    --> src/main.rs:437:21
[INFO] [stdout]     |
[INFO] [stdout] 437 |                 let dzL: Matrix = Matrix::sub(&self.h_o[L].main.apply_new(&sigmoid), &expected);
[INFO] [stdout]     |                     ^^^ help: convert the identifier to snake case: `dz_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gen_rands` is never used
[INFO] [stdout]    --> src/main.rs:197:4
[INFO] [stdout]     |
[INFO] [stdout] 197 | fn gen_rands(range: Range<f64>, n: usize) -> Vec<f64> { //the range to generate in and the number of elements it should generate
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `dwL` should have a snake case name
[INFO] [stdout]    --> src/main.rs:439:21
[INFO] [stdout]     |
[INFO] [stdout] 439 |                 let dwL: Matrix = dzL.multiply(&self.h_o[L-1].main.apply_new(&sigmoid).transpose());
[INFO] [stdout]     |                     ^^^ help: convert the identifier to snake case: `dw_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rac` is never constructed
[INFO] [stdout]    --> src/main.rs:205:8
[INFO] [stdout]     |
[INFO] [stdout] 205 | struct Rac(usize, usize);
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `dbL` should have a snake case name
[INFO] [stdout]    --> src/main.rs:440:21
[INFO] [stdout]     |
[INFO] [stdout] 440 |                 let dbL: Matrix = dzL.clone();
[INFO] [stdout]     |                     ^^^ help: convert the identifier to snake case: `db_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new`, `add`, and `apply_division` are never used
[INFO] [stdout]    --> src/main.rs:215:8
[INFO] [stdout]     |
[INFO] [stdout] 214 | impl Derivatives {
[INFO] [stdout]     | ---------------- associated functions in this implementation
[INFO] [stdout] 215 |     fn new(n: usize) -> Derivatives {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 223 |     fn add(a: Derivatives, b: Derivatives) -> Derivatives {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 250 |     fn apply_division(a: Derivatives, div: f64) -> Derivatives {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `divide` is never used
[INFO] [stdout]    --> src/main.rs:296:4
[INFO] [stdout]     |
[INFO] [stdout] 296 | fn divide(a: f64, b: f64) -> f64 {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `clone` are never used
[INFO] [stdout]    --> src/main.rs:314:8
[INFO] [stdout]     |
[INFO] [stdout] 313 | impl Layer {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout] 314 |     fn new(prev_layer_row: usize, layer_row: usize, layer_col: usize) -> Layer {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 335 |     fn clone(&self) -> Layer {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `clone`, `calculate_derivatives`, and `update` are never used
[INFO] [stdout]    --> src/main.rs:344:8
[INFO] [stdout]     |
[INFO] [stdout] 343 | impl Network {
[INFO] [stdout]     | ------------ associated items in this implementation
[INFO] [stdout] 344 |     fn new(all_row: Vec<usize>) -> Network {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 385 |     fn clone(&self) -> Network {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 394 |     fn calculate_derivatives(&self, expected: Matrix) -> Derivatives {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 482 |     fn update(&mut self, derivative: Derivatives) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/matrix.rs:16:12
[INFO] [stdout]     |
[INFO] [stdout] 12  | impl Matrix {
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 16  |     pub fn new_empty(row: usize, col: usize) -> Matrix {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29  |     pub fn sub(a: &Matrix, b: &Matrix) -> Matrix {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 47  |     pub fn hadamard_product(a: &Matrix, b: &Matrix) -> Matrix {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76  |     pub fn transpose(&self) -> Matrix {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 101 |     pub fn flatten(&self) -> Matrix {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |     pub fn add_scalar(&self, scalar: f64) -> Matrix {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 113 |     pub fn scale(&self, scalar: f64) -> Matrix {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 117 |     pub fn apply(&mut self, f: &dyn Fn(f64) -> f64) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 133 |     pub fn apply_new_2(&self, p: f64, f: &dyn Fn(f64, f64) -> f64) -> Matrix {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 142 |     pub fn resize(&mut self, row: usize, col: usize) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `L` should have a snake case name
[INFO] [stdout]    --> src/main.rs:395:13
[INFO] [stdout]     |
[INFO] [stdout] 395 |         let L: usize = self.h_o.len() - 1;
[INFO] [stdout]     |             ^ help: convert the identifier to snake case: `l`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `dzL` should have a snake case name
[INFO] [stdout]    --> src/main.rs:403:21
[INFO] [stdout]     |
[INFO] [stdout] 403 |                 let dzL: Matrix = Matrix::sub(&self.h_o[L].main.apply_new(&sigmoid), &expected);
[INFO] [stdout]     |                     ^^^ help: convert the identifier to snake case: `dz_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `dwL` should have a snake case name
[INFO] [stdout]    --> src/main.rs:404:21
[INFO] [stdout]     |
[INFO] [stdout] 404 |                 let dwL: Matrix = dzL.multiply(&self.input.apply_new(&sigmoid).transpose());
[INFO] [stdout]     |                     ^^^ help: convert the identifier to snake case: `dw_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `dbL` should have a snake case name
[INFO] [stdout]    --> src/main.rs:405:21
[INFO] [stdout]     |
[INFO] [stdout] 405 |                 let dbL: Matrix = dzL.clone();
[INFO] [stdout]     |                     ^^^ help: convert the identifier to snake case: `db_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `dzL` should have a snake case name
[INFO] [stdout]    --> src/main.rs:411:21
[INFO] [stdout]     |
[INFO] [stdout] 411 |                 let dzL: Matrix = Matrix::sub(&self.h_o[L].main.apply_new(&sigmoid), &expected);
[INFO] [stdout]     |                     ^^^ help: convert the identifier to snake case: `dz_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `dwL` should have a snake case name
[INFO] [stdout]    --> src/main.rs:414:21
[INFO] [stdout]     |
[INFO] [stdout] 414 |                 let dwL: Matrix = dzL.multiply(&self.h_o[L-1].main.apply_new(&sigmoid).transpose()); //
[INFO] [stdout]     |                     ^^^ help: convert the identifier to snake case: `dw_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `dbL` should have a snake case name
[INFO] [stdout]    --> src/main.rs:415:21
[INFO] [stdout]     |
[INFO] [stdout] 415 |                 let dbL: Matrix = dzL.clone();
[INFO] [stdout]     |                     ^^^ help: convert the identifier to snake case: `db_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `dzL` should have a snake case name
[INFO] [stdout]    --> src/main.rs:437:21
[INFO] [stdout]     |
[INFO] [stdout] 437 |                 let dzL: Matrix = Matrix::sub(&self.h_o[L].main.apply_new(&sigmoid), &expected);
[INFO] [stdout]     |                     ^^^ help: convert the identifier to snake case: `dz_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `dwL` should have a snake case name
[INFO] [stdout]    --> src/main.rs:439:21
[INFO] [stdout]     |
[INFO] [stdout] 439 |                 let dwL: Matrix = dzL.multiply(&self.h_o[L-1].main.apply_new(&sigmoid).transpose());
[INFO] [stdout]     |                     ^^^ help: convert the identifier to snake case: `dw_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `dbL` should have a snake case name
[INFO] [stdout]    --> src/main.rs:440:21
[INFO] [stdout]     |
[INFO] [stdout] 440 |                 let dbL: Matrix = dzL.clone();
[INFO] [stdout]     |                     ^^^ help: convert the identifier to snake case: `db_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:501:9
[INFO] [stdout]     |
[INFO] [stdout] 501 |         write!(f, "sigmoid input: {}", self.input.apply_new(&sigmoid));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:503:13
[INFO] [stdout]     |
[INFO] [stdout] 503 |             write!(f, "\x1B[{}A\x1B[{}C{id}:{}\x1B[u\x1B[{}C", self.input.row, w, hidden.main, w);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:505:9
[INFO] [stdout]     |
[INFO] [stdout] 505 |         write!(f, "\x1B[{}B\n", self.input.row);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:507:9
[INFO] [stdout]     |
[INFO] [stdout] 507 |         write!(f, "Biases:\n");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:509:13
[INFO] [stdout]     |
[INFO] [stdout] 509 |             write!(f, "{}", bias.bias);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:512:9
[INFO] [stdout]     |
[INFO] [stdout] 512 |         write!(f, "Weights:\n");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:514:13
[INFO] [stdout]     |
[INFO] [stdout] 514 |             write!(f, "{}", weight.weights);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/matrix.rs:178:9
[INFO] [stdout]     |
[INFO] [stdout] 178 |         write!(f, "\x1B[s");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/matrix.rs:179:9
[INFO] [stdout]     |
[INFO] [stdout] 179 |         write!(f, "----{{matrix begin}}----");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/matrix.rs:181:13
[INFO] [stdout]     |
[INFO] [stdout] 181 |             write!(f, "\n\x1B[u\x1B[{}B", row+1);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/matrix.rs:183:17
[INFO] [stdout]     |
[INFO] [stdout] 183 |                 write!(f, "{} ", self.entries[c]);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/matrix.rs:187:9
[INFO] [stdout]     |
[INFO] [stdout] 187 |         write!(f, "\n\x1B[u\x1B[{}B----{{matrix end}}---- rows: {}, columns: {}\n", self.row + 1, self.row, self.col);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:501:9
[INFO] [stdout]     |
[INFO] [stdout] 501 |         write!(f, "sigmoid input: {}", self.input.apply_new(&sigmoid));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:503:13
[INFO] [stdout]     |
[INFO] [stdout] 503 |             write!(f, "\x1B[{}A\x1B[{}C{id}:{}\x1B[u\x1B[{}C", self.input.row, w, hidden.main, w);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:505:9
[INFO] [stdout]     |
[INFO] [stdout] 505 |         write!(f, "\x1B[{}B\n", self.input.row);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:507:9
[INFO] [stdout]     |
[INFO] [stdout] 507 |         write!(f, "Biases:\n");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:509:13
[INFO] [stdout]     |
[INFO] [stdout] 509 |             write!(f, "{}", bias.bias);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:512:9
[INFO] [stdout]     |
[INFO] [stdout] 512 |         write!(f, "Weights:\n");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:514:13
[INFO] [stdout]     |
[INFO] [stdout] 514 |             write!(f, "{}", weight.weights);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/matrix.rs:178:9
[INFO] [stdout]     |
[INFO] [stdout] 178 |         write!(f, "\x1B[s");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/matrix.rs:179:9
[INFO] [stdout]     |
[INFO] [stdout] 179 |         write!(f, "----{{matrix begin}}----");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/matrix.rs:181:13
[INFO] [stdout]     |
[INFO] [stdout] 181 |             write!(f, "\n\x1B[u\x1B[{}B", row+1);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/matrix.rs:183:17
[INFO] [stdout]     |
[INFO] [stdout] 183 |                 write!(f, "{} ", self.entries[c]);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/matrix.rs:187:9
[INFO] [stdout]     |
[INFO] [stdout] 187 |         write!(f, "\n\x1B[u\x1B[{}B----{{matrix end}}---- rows: {}, columns: {}\n", self.row + 1, self.row, self.col);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 37 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 37 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.53s
[INFO] running `Command { std: "docker" "inspect" "558a6639e97e51ddec3bfe6d343ab3a19fbaab7a88948b17642a57cf2b5e4bde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "558a6639e97e51ddec3bfe6d343ab3a19fbaab7a88948b17642a57cf2b5e4bde", kill_on_drop: false }`
[INFO] [stdout] 558a6639e97e51ddec3bfe6d343ab3a19fbaab7a88948b17642a57cf2b5e4bde