[INFO] cloning repository https://github.com/airuqixue/rust-nueralnetwork
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/airuqixue/rust-nueralnetwork" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fairuqixue%2Frust-nueralnetwork", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fairuqixue%2Frust-nueralnetwork'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3045c2e3eb69bf593270584e7b6a76cd0884d790
[INFO] building airuqixue/rust-nueralnetwork against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fairuqixue%2Frust-nueralnetwork" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/airuqixue/rust-nueralnetwork on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/airuqixue/rust-nueralnetwork
[INFO] finished tweaking git repo https://github.com/airuqixue/rust-nueralnetwork
[INFO] tweaked toml for git repo https://github.com/airuqixue/rust-nueralnetwork written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/airuqixue/rust-nueralnetwork 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ndarray-rand v0.13.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2877d8eaa29b57f66de26f07751c8d57a211a36675345cb86f2a9d736ff39454
[INFO] running `Command { std: "docker" "start" "-a" "2877d8eaa29b57f66de26f07751c8d57a211a36675345cb86f2a9d736ff39454", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2877d8eaa29b57f66de26f07751c8d57a211a36675345cb86f2a9d736ff39454", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2877d8eaa29b57f66de26f07751c8d57a211a36675345cb86f2a9d736ff39454", kill_on_drop: false }`
[INFO] [stdout] 2877d8eaa29b57f66de26f07751c8d57a211a36675345cb86f2a9d736ff39454
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d18a8fcfb047a542973454dd2212bbc16915d1336f7a7ce045857825ba63acf
[INFO] running `Command { std: "docker" "start" "-a" "0d18a8fcfb047a542973454dd2212bbc16915d1336f7a7ce045857825ba63acf", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling getrandom v0.2.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling ndarray v0.14.0
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling matrixmultiply v0.2.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rand_core v0.6.1
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.1
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling rand_distr v0.4.0
[INFO] [stderr]    Compiling ndarray-rand v0.13.0
[INFO] [stderr]    Compiling neuralnetwork v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand::prelude::*`
[INFO] [stdout]  --> src/dnn/neuralNetwork.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ArrayBase`
[INFO] [stdout]  --> src/dnn/neuralNetwork.rs:4:28
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ndarray::{Array,Array2,ArrayBase};
[INFO] [stdout]   |                            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/dnn/neuralNetwork.rs:106:10
[INFO] [stdout]     |
[INFO] [stdout] 106 |                 if(maxr > maxRatio){
[INFO] [stdout]     |                   ^               ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 106 -                 if(maxr > maxRatio){
[INFO] [stdout] 106 +                 if maxr > maxRatio {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/dnn/neuralNetwork.rs:139:12
[INFO] [stdout]     |
[INFO] [stdout] 139 |             let w = (&((1.0-eta*(lbda/(n as f64)))* &self.weights[i]) - &((eta/(mini_batch.len() as f64)) * &nabla_w[i]));
[INFO] [stdout]     |                     ^                                                                                                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 139 -             let w = (&((1.0-eta*(lbda/(n as f64)))* &self.weights[i]) - &((eta/(mini_batch.len() as f64)) * &nabla_w[i]));
[INFO] [stdout] 139 +             let w = &((1.0-eta*(lbda/(n as f64)))* &self.weights[i]) - &((eta/(mini_batch.len() as f64)) * &nabla_w[i]);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/dnn/neuralNetwork.rs:140:12
[INFO] [stdout]     |
[INFO] [stdout] 140 |             let b = (&self.biases[i] - &((eta/(mini_batch.len() as f64)) * &nabla_b[i]));
[INFO] [stdout]     |                     ^                                                                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 140 -             let b = (&self.biases[i] - &((eta/(mini_batch.len() as f64)) * &nabla_b[i]));
[INFO] [stdout] 140 +             let b = &self.biases[i] - &((eta/(mini_batch.len() as f64)) * &nabla_b[i]);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/dnn/neuralNetwork.rs:185:31
[INFO] [stdout]     |
[INFO] [stdout] 185 |         let mut delta:Array2<f64> = (&activations[activations.len()-1] - y);
[INFO] [stdout]     |                                     ^                                     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 185 -         let mut delta:Array2<f64> = (&activations[activations.len()-1] - y);
[INFO] [stdout] 185 +         let mut delta:Array2<f64> = &activations[activations.len()-1] - y;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/dnn/neuralNetwork.rs:249:12
[INFO] [stdout]     |
[INFO] [stdout] 249 |     let mut b=(-y * a.mapv(|e| e.ln()) - (1.0-y)* ((1.0-a).map(|x| x.ln())));
[INFO] [stdout]     |               ^                                                            ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 249 -     let mut b=(-y * a.mapv(|e| e.ln()) - (1.0-y)* ((1.0-a).map(|x| x.ln())));
[INFO] [stdout] 249 +     let mut b=-y * a.mapv(|e| e.ln()) - (1.0-y)* ((1.0-a).map(|x| x.ln()));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/mnist/mnistUtil.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/mnist/mnistUtil.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |         for j  in ((0 as usize)..(byte_buf.len() as usize)) {
[INFO] [stdout]    |                   ^                                       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 31 -         for j  in ((0 as usize)..(byte_buf.len() as usize)) {
[INFO] [stdout] 31 +         for j  in (0 as usize)..(byte_buf.len() as usize) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::f64::NAN`
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::f64::NAN;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mnist::mnistUtil`
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use mnist::mnistUtil;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/math/matrix.rs:36:27
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn add(&mut self, mut m: Matrix)  {
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/math/matrix.rs:37:10
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let mut s = self.getMutData();
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/dnn/neuralNetwork.rs:249:6
[INFO] [stdout]     |
[INFO] [stdout] 249 |     let mut b=(-y * a.mapv(|e| e.ln()) - (1.0-y)* ((1.0-a).map(|x| x.ln())));
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `magic`
[INFO] [stdout]   --> src/mnist/mnistUtil.rs:19:6
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let magic:u32 = read_be_u32(&mut &header_buf[..4]);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_magic`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `header`
[INFO] [stdout]   --> src/mnist/mnistUtil.rs:43:6
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let header = f.read(&mut header_buf[..]).unwrap();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_header`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `magic`
[INFO] [stdout]   --> src/mnist/mnistUtil.rs:45:6
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let magic:u32 = read_be_u32(&mut &header_buf[..4]);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_magic`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/mnist/mnistUtil.rs:51:6
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let n = f.read(&mut byte_buf[..]).unwrap();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rest`
[INFO] [stdout]   --> src/mnist/mnistUtil.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let (int_bytes, rest) = input.split_at(std::mem::size_of::<u32>());
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_rest`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `zero_bytes`
[INFO] [stdout]   --> src/mnist/mnistUtil.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 |      let (zero_bytes, a) = input.split_at(0);
[INFO] [stdout]    |           ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_zero_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `size` is never read
[INFO] [stdout]  --> src/math/matrix.rs:2:2
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Matrix {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 2 |     size:(usize,usize),
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cost` is never used
[INFO] [stdout]    --> src/dnn/neuralNetwork.rs:247:4
[INFO] [stdout]     |
[INFO] [stdout] 247 | fn cost(a:& Array2<f64>, y:& Array2<f64>) -> f64{
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_bb_u32` is never used
[INFO] [stdout]   --> src/mnist/mnistUtil.rs:66:4
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn read_bb_u32(input: &mut &[u8]) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `getRow` should have a snake case name
[INFO] [stdout]   --> src/math/matrix.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn getRow(&self) ->usize {
[INFO] [stdout]    |            ^^^^^^ help: convert the identifier to snake case: `get_row`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `getCol` should have a snake case name
[INFO] [stdout]   --> src/math/matrix.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn getCol(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^ help: convert the identifier to snake case: `get_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `getUnmutData` should have a snake case name
[INFO] [stdout]   --> src/math/matrix.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn getUnmutData(& self) -> & Vec<Vec<f64>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^ help: convert the identifier to snake case: `get_unmut_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `getMutData` should have a snake case name
[INFO] [stdout]   --> src/math/matrix.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn getMutData(&mut self) -> &mut Vec<Vec<f64>> {
[INFO] [stdout]    |            ^^^^^^^^^^ help: convert the identifier to snake case: `get_mut_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `neuralNetwork` should have a snake case name
[INFO] [stdout]  --> src/dnn/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod neuralNetwork;
[INFO] [stdout]   |         ^^^^^^^^^^^^^ help: convert the identifier to snake case: `neural_network`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `SGD` should have a snake case name
[INFO] [stdout]   --> src/dnn/neuralNetwork.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn SGD(&mut self, 
[INFO] [stdout]    |            ^^^ help: convert the identifier to snake case: `sgd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `maxRatio` should have a snake case name
[INFO] [stdout]   --> src/dnn/neuralNetwork.rs:72:11
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let mut maxRatio:usize = 0;
[INFO] [stdout]    |                 ^^^^^^^^ help: convert the identifier to snake case: `max_ratio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `mnistUtil` should have a snake case name
[INFO] [stdout]  --> src/mnist/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod mnistUtil;
[INFO] [stdout]   |         ^^^^^^^^^ help: convert the identifier to snake case: `mnist_util`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `readFeaturesFromFile` should have a snake case name
[INFO] [stdout]   --> src/mnist/mnistUtil.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn readFeaturesFromFile(filepath:&str) ->Array2<f64> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `read_features_from_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `readLabelsFromFile` should have a snake case name
[INFO] [stdout]   --> src/mnist/mnistUtil.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn readLabelsFromFile(filepath:&str) -> Array2<f64> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `read_labels_from_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ndarray::arr2`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use ndarray::arr2;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/main.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 |         for i in (0..10){
[INFO] [stdout]    |                  ^     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 61 -         for i in (0..10){
[INFO] [stdout] 61 +         for i in 0..10 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `network`
[INFO] [stdout]   --> src/main.rs:82:8
[INFO] [stdout]    |
[INFO] [stdout] 82 |    let network = neuralNetwork::NeuralNetwork::new(sizes);
[INFO] [stdout]    |        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_network`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `k` is never read
[INFO] [stdout]   --> src/main.rs:89:6
[INFO] [stdout]    |
[INFO] [stdout] 89 |            k += batch
[INFO] [stdout]    |            ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idata`
[INFO] [stdout]   --> src/main.rs:93:7
[INFO] [stdout]    |
[INFO] [stdout] 93 |   let idata = mnistUtil::readFeaturesFromFile("D:\\rust-pj\\neuralnetwork\\src\\mnist\\train-images.idx3-ubyte");
[INFO] [stdout]    |       ^^^^^ help: if this is intentional, prefix it with an underscore: `_idata`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let mut mt2 = matrix::Matrix::new(data2);
[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: function `shit` is never used
[INFO] [stdout]   --> src/main.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn shit(){
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `zipData` should have a snake case name
[INFO] [stdout]   --> src/main.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn zipData(train_data:Array2<f64>, train_label:Array2<f64>) -> Vec<(Array2<f64>,Array2<f64>)> {
[INFO] [stdout]    |    ^^^^^^^ help: convert the identifier to snake case: `zip_data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 8.31s
[INFO] running `Command { std: "docker" "inspect" "0d18a8fcfb047a542973454dd2212bbc16915d1336f7a7ce045857825ba63acf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d18a8fcfb047a542973454dd2212bbc16915d1336f7a7ce045857825ba63acf", kill_on_drop: false }`
[INFO] [stdout] 0d18a8fcfb047a542973454dd2212bbc16915d1336f7a7ce045857825ba63acf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ffb46c39c238cc484df93241e2818ee737e92b9d8defa62651990a917b6cfd9c
[INFO] running `Command { std: "docker" "start" "-a" "ffb46c39c238cc484df93241e2818ee737e92b9d8defa62651990a917b6cfd9c", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `rand::prelude::*`
[INFO] [stdout]  --> src/dnn/neuralNetwork.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ArrayBase`
[INFO] [stdout]  --> src/dnn/neuralNetwork.rs:4:28
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ndarray::{Array,Array2,ArrayBase};
[INFO] [stdout]   |                            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/dnn/neuralNetwork.rs:106:10
[INFO] [stdout]     |
[INFO] [stdout] 106 |                 if(maxr > maxRatio){
[INFO] [stdout]     |                   ^               ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 106 -                 if(maxr > maxRatio){
[INFO] [stdout] 106 +                 if maxr > maxRatio {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/dnn/neuralNetwork.rs:139:12
[INFO] [stdout]     |
[INFO] [stdout] 139 |             let w = (&((1.0-eta*(lbda/(n as f64)))* &self.weights[i]) - &((eta/(mini_batch.len() as f64)) * &nabla_w[i]));
[INFO] [stdout]     |                     ^                                                                                                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 139 -             let w = (&((1.0-eta*(lbda/(n as f64)))* &self.weights[i]) - &((eta/(mini_batch.len() as f64)) * &nabla_w[i]));
[INFO] [stdout] 139 +             let w = &((1.0-eta*(lbda/(n as f64)))* &self.weights[i]) - &((eta/(mini_batch.len() as f64)) * &nabla_w[i]);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/dnn/neuralNetwork.rs:140:12
[INFO] [stdout]     |
[INFO] [stdout] 140 |             let b = (&self.biases[i] - &((eta/(mini_batch.len() as f64)) * &nabla_b[i]));
[INFO] [stdout]     |                     ^                                                                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 140 -             let b = (&self.biases[i] - &((eta/(mini_batch.len() as f64)) * &nabla_b[i]));
[INFO] [stdout] 140 +             let b = &self.biases[i] - &((eta/(mini_batch.len() as f64)) * &nabla_b[i]);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/dnn/neuralNetwork.rs:185:31
[INFO] [stdout]     |
[INFO] [stdout] 185 |         let mut delta:Array2<f64> = (&activations[activations.len()-1] - y);
[INFO] [stdout]     |                                     ^                                     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 185 -         let mut delta:Array2<f64> = (&activations[activations.len()-1] - y);
[INFO] [stdout] 185 +         let mut delta:Array2<f64> = &activations[activations.len()-1] - y;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/dnn/neuralNetwork.rs:249:12
[INFO] [stdout]     |
[INFO] [stdout] 249 |     let mut b=(-y * a.mapv(|e| e.ln()) - (1.0-y)* ((1.0-a).map(|x| x.ln())));
[INFO] [stdout]     |               ^                                                            ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 249 -     let mut b=(-y * a.mapv(|e| e.ln()) - (1.0-y)* ((1.0-a).map(|x| x.ln())));
[INFO] [stdout] 249 +     let mut b=-y * a.mapv(|e| e.ln()) - (1.0-y)* ((1.0-a).map(|x| x.ln()));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/mnist/mnistUtil.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/mnist/mnistUtil.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |         for j  in ((0 as usize)..(byte_buf.len() as usize)) {
[INFO] [stdout]    |                   ^                                       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 31 -         for j  in ((0 as usize)..(byte_buf.len() as usize)) {
[INFO] [stdout] 31 +         for j  in (0 as usize)..(byte_buf.len() as usize) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::f64::NAN`
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::f64::NAN;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mnist::mnistUtil`
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use mnist::mnistUtil;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/math/matrix.rs:36:27
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn add(&mut self, mut m: Matrix)  {
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/math/matrix.rs:37:10
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let mut s = self.getMutData();
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/dnn/neuralNetwork.rs:249:6
[INFO] [stdout]     |
[INFO] [stdout] 249 |     let mut b=(-y * a.mapv(|e| e.ln()) - (1.0-y)* ((1.0-a).map(|x| x.ln())));
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `magic`
[INFO] [stdout]   --> src/mnist/mnistUtil.rs:19:6
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let magic:u32 = read_be_u32(&mut &header_buf[..4]);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_magic`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `header`
[INFO] [stdout]   --> src/mnist/mnistUtil.rs:43:6
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let header = f.read(&mut header_buf[..]).unwrap();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_header`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `magic`
[INFO] [stdout]   --> src/mnist/mnistUtil.rs:45:6
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let magic:u32 = read_be_u32(&mut &header_buf[..4]);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_magic`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/mnist/mnistUtil.rs:51:6
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let n = f.read(&mut byte_buf[..]).unwrap();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rest`
[INFO] [stdout]   --> src/mnist/mnistUtil.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let (int_bytes, rest) = input.split_at(std::mem::size_of::<u32>());
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_rest`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `zero_bytes`
[INFO] [stdout]   --> src/mnist/mnistUtil.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 |      let (zero_bytes, a) = input.split_at(0);
[INFO] [stdout]    |           ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_zero_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `size` is never read
[INFO] [stdout]  --> src/math/matrix.rs:2:2
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Matrix {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 2 |     size:(usize,usize),
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cost` is never used
[INFO] [stdout]    --> src/dnn/neuralNetwork.rs:247:4
[INFO] [stdout]     |
[INFO] [stdout] 247 | fn cost(a:& Array2<f64>, y:& Array2<f64>) -> f64{
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling neuralnetwork v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `read_bb_u32` is never used
[INFO] [stdout]   --> src/mnist/mnistUtil.rs:66:4
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn read_bb_u32(input: &mut &[u8]) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `getRow` should have a snake case name
[INFO] [stdout]   --> src/math/matrix.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn getRow(&self) ->usize {
[INFO] [stdout]    |            ^^^^^^ help: convert the identifier to snake case: `get_row`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `getCol` should have a snake case name
[INFO] [stdout]   --> src/math/matrix.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn getCol(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^ help: convert the identifier to snake case: `get_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `getUnmutData` should have a snake case name
[INFO] [stdout]   --> src/math/matrix.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn getUnmutData(& self) -> & Vec<Vec<f64>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^ help: convert the identifier to snake case: `get_unmut_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `getMutData` should have a snake case name
[INFO] [stdout]   --> src/math/matrix.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn getMutData(&mut self) -> &mut Vec<Vec<f64>> {
[INFO] [stdout]    |            ^^^^^^^^^^ help: convert the identifier to snake case: `get_mut_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `neuralNetwork` should have a snake case name
[INFO] [stdout]  --> src/dnn/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod neuralNetwork;
[INFO] [stdout]   |         ^^^^^^^^^^^^^ help: convert the identifier to snake case: `neural_network`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `SGD` should have a snake case name
[INFO] [stdout]   --> src/dnn/neuralNetwork.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn SGD(&mut self, 
[INFO] [stdout]    |            ^^^ help: convert the identifier to snake case: `sgd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `maxRatio` should have a snake case name
[INFO] [stdout]   --> src/dnn/neuralNetwork.rs:72:11
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let mut maxRatio:usize = 0;
[INFO] [stdout]    |                 ^^^^^^^^ help: convert the identifier to snake case: `max_ratio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `mnistUtil` should have a snake case name
[INFO] [stdout]  --> src/mnist/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod mnistUtil;
[INFO] [stdout]   |         ^^^^^^^^^ help: convert the identifier to snake case: `mnist_util`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `readFeaturesFromFile` should have a snake case name
[INFO] [stdout]   --> src/mnist/mnistUtil.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn readFeaturesFromFile(filepath:&str) ->Array2<f64> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `read_features_from_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `readLabelsFromFile` should have a snake case name
[INFO] [stdout]   --> src/mnist/mnistUtil.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn readLabelsFromFile(filepath:&str) -> Array2<f64> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `read_labels_from_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ndarray::arr2`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use ndarray::arr2;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/main.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 |         for i in (0..10){
[INFO] [stdout]    |                  ^     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 61 -         for i in (0..10){
[INFO] [stdout] 61 +         for i in 0..10 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::prelude::*`
[INFO] [stdout]  --> src/dnn/neuralNetwork.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ArrayBase`
[INFO] [stdout]  --> src/dnn/neuralNetwork.rs:4:28
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ndarray::{Array,Array2,ArrayBase};
[INFO] [stdout]   |                            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/dnn/neuralNetwork.rs:106:10
[INFO] [stdout]     |
[INFO] [stdout] 106 |                 if(maxr > maxRatio){
[INFO] [stdout]     |                   ^               ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 106 -                 if(maxr > maxRatio){
[INFO] [stdout] 106 +                 if maxr > maxRatio {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/dnn/neuralNetwork.rs:139:12
[INFO] [stdout]     |
[INFO] [stdout] 139 |             let w = (&((1.0-eta*(lbda/(n as f64)))* &self.weights[i]) - &((eta/(mini_batch.len() as f64)) * &nabla_w[i]));
[INFO] [stdout]     |                     ^                                                                                                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 139 -             let w = (&((1.0-eta*(lbda/(n as f64)))* &self.weights[i]) - &((eta/(mini_batch.len() as f64)) * &nabla_w[i]));
[INFO] [stdout] 139 +             let w = &((1.0-eta*(lbda/(n as f64)))* &self.weights[i]) - &((eta/(mini_batch.len() as f64)) * &nabla_w[i]);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/dnn/neuralNetwork.rs:140:12
[INFO] [stdout]     |
[INFO] [stdout] 140 |             let b = (&self.biases[i] - &((eta/(mini_batch.len() as f64)) * &nabla_b[i]));
[INFO] [stdout]     |                     ^                                                                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 140 -             let b = (&self.biases[i] - &((eta/(mini_batch.len() as f64)) * &nabla_b[i]));
[INFO] [stdout] 140 +             let b = &self.biases[i] - &((eta/(mini_batch.len() as f64)) * &nabla_b[i]);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/dnn/neuralNetwork.rs:185:31
[INFO] [stdout]     |
[INFO] [stdout] 185 |         let mut delta:Array2<f64> = (&activations[activations.len()-1] - y);
[INFO] [stdout]     |                                     ^                                     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 185 -         let mut delta:Array2<f64> = (&activations[activations.len()-1] - y);
[INFO] [stdout] 185 +         let mut delta:Array2<f64> = &activations[activations.len()-1] - y;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/dnn/neuralNetwork.rs:249:12
[INFO] [stdout]     |
[INFO] [stdout] 249 |     let mut b=(-y * a.mapv(|e| e.ln()) - (1.0-y)* ((1.0-a).map(|x| x.ln())));
[INFO] [stdout]     |               ^                                                            ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 249 -     let mut b=(-y * a.mapv(|e| e.ln()) - (1.0-y)* ((1.0-a).map(|x| x.ln())));
[INFO] [stdout] 249 +     let mut b=-y * a.mapv(|e| e.ln()) - (1.0-y)* ((1.0-a).map(|x| x.ln()));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/mnist/mnistUtil.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/mnist/mnistUtil.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |         for j  in ((0 as usize)..(byte_buf.len() as usize)) {
[INFO] [stdout]    |                   ^                                       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 31 -         for j  in ((0 as usize)..(byte_buf.len() as usize)) {
[INFO] [stdout] 31 +         for j  in (0 as usize)..(byte_buf.len() as usize) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `network`
[INFO] [stdout]   --> src/main.rs:82:8
[INFO] [stdout]    |
[INFO] [stdout] 82 |    let network = neuralNetwork::NeuralNetwork::new(sizes);
[INFO] [stdout]    |        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_network`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `k` is never read
[INFO] [stdout]   --> src/main.rs:89:6
[INFO] [stdout]    |
[INFO] [stdout] 89 |            k += batch
[INFO] [stdout]    |            ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idata`
[INFO] [stdout]   --> src/main.rs:93:7
[INFO] [stdout]    |
[INFO] [stdout] 93 |   let idata = mnistUtil::readFeaturesFromFile("D:\\rust-pj\\neuralnetwork\\src\\mnist\\train-images.idx3-ubyte");
[INFO] [stdout]    |       ^^^^^ help: if this is intentional, prefix it with an underscore: `_idata`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let mut mt2 = matrix::Matrix::new(data2);
[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: function `shit` is never used
[INFO] [stdout]   --> src/main.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn shit(){
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `zipData` should have a snake case name
[INFO] [stdout]   --> src/main.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn zipData(train_data:Array2<f64>, train_label:Array2<f64>) -> Vec<(Array2<f64>,Array2<f64>)> {
[INFO] [stdout]    |    ^^^^^^^ help: convert the identifier to snake case: `zip_data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/math/matrix.rs:36:27
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn add(&mut self, mut m: Matrix)  {
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/math/matrix.rs:37:10
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let mut s = self.getMutData();
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/dnn/neuralNetwork.rs:249:6
[INFO] [stdout]     |
[INFO] [stdout] 249 |     let mut b=(-y * a.mapv(|e| e.ln()) - (1.0-y)* ((1.0-a).map(|x| x.ln())));
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `magic`
[INFO] [stdout]   --> src/mnist/mnistUtil.rs:19:6
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let magic:u32 = read_be_u32(&mut &header_buf[..4]);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_magic`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `header`
[INFO] [stdout]   --> src/mnist/mnistUtil.rs:43:6
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let header = f.read(&mut header_buf[..]).unwrap();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_header`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `magic`
[INFO] [stdout]   --> src/mnist/mnistUtil.rs:45:6
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let magic:u32 = read_be_u32(&mut &header_buf[..4]);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_magic`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/mnist/mnistUtil.rs:51:6
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let n = f.read(&mut byte_buf[..]).unwrap();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rest`
[INFO] [stdout]   --> src/mnist/mnistUtil.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let (int_bytes, rest) = input.split_at(std::mem::size_of::<u32>());
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_rest`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `zero_bytes`
[INFO] [stdout]   --> src/mnist/mnistUtil.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 |      let (zero_bytes, a) = input.split_at(0);
[INFO] [stdout]    |           ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_zero_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `test_data`
[INFO] [stdout]   --> src/lib.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let test_data:Vec<(Array2<f64>, Array2<f64>)> = zipData(test_image, test_label);
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/lib.rs:39:10
[INFO] [stdout]    |
[INFO] [stdout] 39 |     for (x, y) in train_data {
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `size` is never read
[INFO] [stdout]  --> src/math/matrix.rs:2:2
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Matrix {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 2 |     size:(usize,usize),
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cost` is never used
[INFO] [stdout]    --> src/dnn/neuralNetwork.rs:247:4
[INFO] [stdout]     |
[INFO] [stdout] 247 | fn cost(a:& Array2<f64>, y:& Array2<f64>) -> f64{
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_bb_u32` is never used
[INFO] [stdout]   --> src/mnist/mnistUtil.rs:66:4
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn read_bb_u32(input: &mut &[u8]) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `testMax` is never used
[INFO] [stdout]   --> src/lib.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn testMax(){
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `testMax2` is never used
[INFO] [stdout]   --> src/lib.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn testMax2(){
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `zipData` is never used
[INFO] [stdout]   --> src/lib.rs:44:6
[INFO] [stdout]    |
[INFO] [stdout] 44 |   fn zipData(train_data:Array2<f64>, train_label:Array2<f64>) -> Vec<(Array2<f64>,Array2<f64>)> {
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `getRow` should have a snake case name
[INFO] [stdout]   --> src/math/matrix.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn getRow(&self) ->usize {
[INFO] [stdout]    |            ^^^^^^ help: convert the identifier to snake case: `get_row`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `getCol` should have a snake case name
[INFO] [stdout]   --> src/math/matrix.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn getCol(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^ help: convert the identifier to snake case: `get_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `getUnmutData` should have a snake case name
[INFO] [stdout]   --> src/math/matrix.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn getUnmutData(& self) -> & Vec<Vec<f64>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^ help: convert the identifier to snake case: `get_unmut_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `getMutData` should have a snake case name
[INFO] [stdout]   --> src/math/matrix.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn getMutData(&mut self) -> &mut Vec<Vec<f64>> {
[INFO] [stdout]    |            ^^^^^^^^^^ help: convert the identifier to snake case: `get_mut_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `neuralNetwork` should have a snake case name
[INFO] [stdout]  --> src/dnn/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod neuralNetwork;
[INFO] [stdout]   |         ^^^^^^^^^^^^^ help: convert the identifier to snake case: `neural_network`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `SGD` should have a snake case name
[INFO] [stdout]   --> src/dnn/neuralNetwork.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn SGD(&mut self, 
[INFO] [stdout]    |            ^^^ help: convert the identifier to snake case: `sgd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `maxRatio` should have a snake case name
[INFO] [stdout]   --> src/dnn/neuralNetwork.rs:72:11
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let mut maxRatio:usize = 0;
[INFO] [stdout]    |                 ^^^^^^^^ help: convert the identifier to snake case: `max_ratio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `mnistUtil` should have a snake case name
[INFO] [stdout]  --> src/mnist/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod mnistUtil;
[INFO] [stdout]   |         ^^^^^^^^^ help: convert the identifier to snake case: `mnist_util`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `readFeaturesFromFile` should have a snake case name
[INFO] [stdout]   --> src/mnist/mnistUtil.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn readFeaturesFromFile(filepath:&str) ->Array2<f64> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `read_features_from_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `readLabelsFromFile` should have a snake case name
[INFO] [stdout]   --> src/mnist/mnistUtil.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn readLabelsFromFile(filepath:&str) -> Array2<f64> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `read_labels_from_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `testMax` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn testMax(){
[INFO] [stdout]    |        ^^^^^^^ help: convert the identifier to snake case: `test_max`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `testMax2` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn testMax2(){
[INFO] [stdout]    |        ^^^^^^^^ help: convert the identifier to snake case: `test_max2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `zipData` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:44:6
[INFO] [stdout]    |
[INFO] [stdout] 44 |   fn zipData(train_data:Array2<f64>, train_label:Array2<f64>) -> Vec<(Array2<f64>,Array2<f64>)> {
[INFO] [stdout]    |      ^^^^^^^ help: convert the identifier to snake case: `zip_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [optimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "ffb46c39c238cc484df93241e2818ee737e92b9d8defa62651990a917b6cfd9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffb46c39c238cc484df93241e2818ee737e92b9d8defa62651990a917b6cfd9c", kill_on_drop: false }`
[INFO] [stdout] ffb46c39c238cc484df93241e2818ee737e92b9d8defa62651990a917b6cfd9c