[INFO] cloning repository https://github.com/ulloacastillo/random-forest
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ulloacastillo/random-forest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fulloacastillo%2Frandom-forest", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fulloacastillo%2Frandom-forest'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 20434c173bab956fec5286530b964f3a0ff0c584
[INFO] testing ulloacastillo/random-forest against 1.85.0 for beta-1.86-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fulloacastillo%2Frandom-forest" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
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[INFO] validating manifest of git repo https://github.com/ulloacastillo/random-forest on toolchain 1.85.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.85.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ulloacastillo/random-forest
[INFO] finished tweaking git repo https://github.com/ulloacastillo/random-forest
[INFO] tweaked toml for git repo https://github.com/ulloacastillo/random-forest written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ulloacastillo/random-forest 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" "+1.85.0" "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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58b774f536e5c48531eb7400dca3809aa7abd72c660ef35247fb55f24cae3481
[INFO] running `Command { std: "docker" "start" "-a" "58b774f536e5c48531eb7400dca3809aa7abd72c660ef35247fb55f24cae3481", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58b774f536e5c48531eb7400dca3809aa7abd72c660ef35247fb55f24cae3481", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58b774f536e5c48531eb7400dca3809aa7abd72c660ef35247fb55f24cae3481", kill_on_drop: false }`
[INFO] [stdout] 58b774f536e5c48531eb7400dca3809aa7abd72c660ef35247fb55f24cae3481
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b02cd90f3ad6cf50fda7f94510c66ab2a5122830405a02d8feebf5af0e6e3cf4
[INFO] running `Command { std: "docker" "start" "-a" "b02cd90f3ad6cf50fda7f94510c66ab2a5122830405a02d8feebf5af0e6e3cf4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.44
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.83
[INFO] [stderr]    Compiling libc v0.2.133
[INFO] [stderr]    Compiling once_cell v1.15.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling bumpalo v3.11.0
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling itoa v1.0.3
[INFO] [stderr]    Compiling wasm-bindgen v0.2.83
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.83
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.83
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.83
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling console_error_panic_hook v0.1.7
[INFO] [stderr]    Compiling random-forest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand::prelude::*`
[INFO] [stdout]  --> src/lib.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: `std::fs::File`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/dtree.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::prelude::*`
[INFO] [stdout]  --> src/dtree.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `csv::Error`
[INFO] [stdout]  --> src/dtree.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use csv::Error;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/dtree/utils.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/dtree/utils.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `csv::Error`
[INFO] [stdout]  --> src/dtree/utils.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use csv::Error;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/dtree.rs:183:9
[INFO] [stdout]     |
[INFO] [stdout] 183 |         (1.0 - gini)
[INFO] [stdout]     |         ^          ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 183 -         (1.0 - gini)
[INFO] [stdout] 183 +         1.0 - gini
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/utils.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/utils.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `csv::Error`
[INFO] [stdout]  --> src/utils.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use csv::Error;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `wasm_bindgen::prelude::*`
[INFO] [stdout]  --> src/random_forest.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use wasm_bindgen::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]   --> src/random_forest.rs:19:15
[INFO] [stdout]    |
[INFO] [stdout] 19 |         while (ft_ixs.contains(&rnd_ft_idx)) {
[INFO] [stdout]    |               ^                            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 19 -         while (ft_ixs.contains(&rnd_ft_idx)) {
[INFO] [stdout] 19 +         while ft_ixs.contains(&rnd_ft_idx) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `wasm_bindgen::JsValue::into_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stdout]   --> src/lib.rs:22:34
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let task: String = task_type.into_serde().unwrap();
[INFO] [stdout]    |                                  ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `wasm_bindgen::JsValue::into_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stdout]   --> src/lib.rs:25:56
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let mut rf: random_forest::RandomForest = json.into_serde().unwrap();
[INFO] [stdout]    |                                                        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `wasm_bindgen::JsValue::into_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stdout]   --> src/lib.rs:26:51
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let x_test: Vec<Vec<f32>> = train_dataset.into_serde().unwrap();
[INFO] [stdout]    |                                                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `wasm_bindgen::JsValue::from_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stdout]   --> src/lib.rs:29:18
[INFO] [stdout]    |
[INFO] [stdout] 29 |         JsValue::from_serde(&y_pred).unwrap()
[INFO] [stdout]    |                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `wasm_bindgen::JsValue::into_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stdout]   --> src/lib.rs:33:33
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let params: Data = json.into_serde().unwrap();
[INFO] [stdout]    |                                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `wasm_bindgen::JsValue::into_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stdout]   --> src/lib.rs:35:50
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let mut x: Vec<Vec<f32>> = train_dataset.into_serde().unwrap();
[INFO] [stdout]    |                                                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `wasm_bindgen::JsValue::into_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stdout]   --> src/lib.rs:36:47
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let mut y: Vec<String> = train_labels.into_serde().unwrap();
[INFO] [stdout]    |                                               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `wasm_bindgen::JsValue::from_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stdout]   --> src/lib.rs:52:18
[INFO] [stdout]    |
[INFO] [stdout] 52 |         JsValue::from_serde(&rf).unwrap()
[INFO] [stdout]    |                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude`
[INFO] [stdout]  --> src/dtree.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n_test`
[INFO] [stdout]   --> src/dtree/utils.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let n_test = X.len() - n_train;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_test`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `depth`
[INFO] [stdout]   --> src/dtree.rs:71:17
[INFO] [stdout]    |
[INFO] [stdout] 71 |             let depth = self.max_depth as f32;
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_depth`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_samples`
[INFO] [stdout]    --> src/dtree.rs:107:75
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn get_best_split(&mut self, X: &Vec<Vec<f32>>, Y:  &Vec<String>, num_samples: usize, num_features: usize) -> BestSplitStruct{
[INFO] [stdout]     |                                                                           ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_samples`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n_test`
[INFO] [stdout]   --> src/utils.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let n_test = X.len() - n_train;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/random_forest.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     for i in 0..n_features {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/random_forest.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     for i in 0..n_samples {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `percent`
[INFO] [stdout]   --> src/lib.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let percent = random_forest::accuracy(&y_pred, &y_train);
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_percent`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/dtree.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl Node{
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 32 |     pub fn new(fi: usize, th: f32, v: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_panic_hook` is never used
[INFO] [stdout]  --> src/dtree/utils.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn set_panic_hook() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `split_dataset` is never used
[INFO] [stdout]   --> src/dtree/utils.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn split_dataset(X: &mut Vec<Vec<f32>>, Y: &mut Vec<String>, train_size: f32) -> (Vec<Vec<f32>>,  Vec<String>, Vec<Vec<f32>>,Vec<Stri...
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `accuracy_per_label` is never used
[INFO] [stdout]   --> src/dtree/utils.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn accuracy_per_label(Y: &Vec<String>, Y_hat: &Vec<String>) -> Vec<f32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_panic_hook` is never used
[INFO] [stdout]  --> src/utils.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn set_panic_hook() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `accuracy_per_label` is never used
[INFO] [stdout]   --> src/utils.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn accuracy_per_label(Y: &Vec<String>, Y_hat: &Vec<String>) -> Vec<f32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_vals` is never used
[INFO] [stdout]   --> src/utils.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub fn count_vals(arr: &Vec<String>, label: String) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unique_vals` is never used
[INFO] [stdout]   --> src/utils.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub fn unique_vals(arr: &Vec<String>) -> Vec<String> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unique_vals_f32` is never used
[INFO] [stdout]   --> src/utils.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 97 | pub fn unique_vals_f32(arr: &Vec<f32>) -> Vec<f32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_column` is never used
[INFO] [stdout]    --> src/utils.rs:113:8
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub fn get_column(matrix: &Vec<Vec<f32>>, col: usize) -> Vec<f32>{
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]   --> src/dtree.rs:62:34
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn build_tree(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>, curr_depth: usize) -> Option<Box<Node>>{
[INFO] [stdout]    |                                  ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]   --> src/dtree.rs:62:53
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn build_tree(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>, curr_depth: usize) -> Option<Box<Node>>{
[INFO] [stdout]    |                                                     ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:107:38
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn get_best_split(&mut self, X: &Vec<Vec<f32>>, Y:  &Vec<String>, num_samples: usize, num_features: usize) -> BestSplitStruct{
[INFO] [stdout]     |                                      ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:107:57
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn get_best_split(&mut self, X: &Vec<Vec<f32>>, Y:  &Vec<String>, num_samples: usize, num_features: usize) -> BestSplitStruct{
[INFO] [stdout]     |                                                         ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:170:34
[INFO] [stdout]     |
[INFO] [stdout] 170 |     pub fn gini_index(&mut self, Y: &Vec<String>) -> f32 {
[INFO] [stdout]     |                                  ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:187:29
[INFO] [stdout]     |
[INFO] [stdout] 187 |     pub fn split(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>, feature_index: usize, threshold: f32) -> (Vec<Vec<f32>>, Vec<Vec<f32>>, V...
[INFO] [stdout]     |                             ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:187:48
[INFO] [stdout]     |
[INFO] [stdout] 187 |     pub fn split(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>, feature_index: usize, threshold: f32) -> (Vec<Vec<f32>>, Vec<Vec<f32>>, V...
[INFO] [stdout]     |                                                ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:225:44
[INFO] [stdout]     |
[INFO] [stdout] 225 |     pub fn calculate_leaf_value(&mut self, Y: &Vec<String> ) -> String{
[INFO] [stdout]     |                                            ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:249:27
[INFO] [stdout]     |
[INFO] [stdout] 249 |     pub fn fit(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>) {
[INFO] [stdout]     |                           ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:249:46
[INFO] [stdout]     |
[INFO] [stdout] 249 |     pub fn fit(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>) {
[INFO] [stdout]     |                                              ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:253:35
[INFO] [stdout]     |
[INFO] [stdout] 253 |     pub fn make_prediction(&self, X: &Vec<f32>, tree: &Option<Box<Node>>) -> String{
[INFO] [stdout]     |                                   ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:275:27
[INFO] [stdout]     |
[INFO] [stdout] 275 |     pub fn predict(&self, X: &Vec<Vec<f32>>) -> Vec<String> {
[INFO] [stdout]     |                           ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]   --> src/dtree/utils.rs:17:22
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn split_dataset(X: &mut Vec<Vec<f32>>, Y: &mut Vec<String>, train_size: f32) -> (Vec<Vec<f32>>,  Vec<String>, Vec<Vec<f32>>,Vec<Stri...
[INFO] [stdout]    |                      ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]   --> src/dtree/utils.rs:17:45
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn split_dataset(X: &mut Vec<Vec<f32>>, Y: &mut Vec<String>, train_size: f32) -> (Vec<Vec<f32>>,  Vec<String>, Vec<Vec<f32>>,Vec<Stri...
[INFO] [stdout]    |                                             ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_test` should have a snake case name
[INFO] [stdout]   --> src/dtree/utils.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut X_test: Vec<Vec<f32>> = vec![];
[INFO] [stdout]    |             ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_train` should have a snake case name
[INFO] [stdout]   --> src/dtree/utils.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut X_train: Vec<Vec<f32>> = vec![];
[INFO] [stdout]    |             ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_train`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y_test` should have a snake case name
[INFO] [stdout]   --> src/dtree/utils.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut Y_test: Vec<String> = vec![];
[INFO] [stdout]    |             ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `y_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y_train` should have a snake case name
[INFO] [stdout]   --> src/dtree/utils.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let mut Y_train: Vec<String> = vec![];
[INFO] [stdout]    |             ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `y_train`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]   --> src/dtree/utils.rs:52:27
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn accuracy_per_label(Y: &Vec<String>, Y_hat: &Vec<String>) -> Vec<f32> {
[INFO] [stdout]    |                           ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y_hat` should have a snake case name
[INFO] [stdout]   --> src/dtree/utils.rs:52:44
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn accuracy_per_label(Y: &Vec<String>, Y_hat: &Vec<String>) -> Vec<f32> {
[INFO] [stdout]    |                                            ^^^^^ help: convert the identifier to snake case (notice the capitalization): `y_hat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:17:22
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn split_dataset(X: &mut Vec<Vec<f32>>, Y: &mut Vec<String>, train_size: f32) -> (Vec<Vec<f32>>,  Vec<String>, Vec<Vec<f32>>,Vec<Stri...
[INFO] [stdout]    |                      ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:17:45
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn split_dataset(X: &mut Vec<Vec<f32>>, Y: &mut Vec<String>, train_size: f32) -> (Vec<Vec<f32>>,  Vec<String>, Vec<Vec<f32>>,Vec<Stri...
[INFO] [stdout]    |                                             ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_test` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut X_test: Vec<Vec<f32>> = vec![];
[INFO] [stdout]    |             ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_train` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut X_train: Vec<Vec<f32>> = vec![];
[INFO] [stdout]    |             ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_train`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y_test` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut Y_test: Vec<String> = vec![];
[INFO] [stdout]    |             ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `y_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y_train` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let mut Y_train: Vec<String> = vec![];
[INFO] [stdout]    |             ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `y_train`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:52:27
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn accuracy_per_label(Y: &Vec<String>, Y_hat: &Vec<String>) -> Vec<f32> {
[INFO] [stdout]    |                           ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y_hat` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:52:44
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn accuracy_per_label(Y: &Vec<String>, Y_hat: &Vec<String>) -> Vec<f32> {
[INFO] [stdout]    |                                            ^^^^^ help: convert the identifier to snake case (notice the capitalization): `y_hat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]  --> src/random_forest.rs:8:32
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn bootstrap_random_forest(X: &Vec<Vec<f32>>, Y: &Vec<String>, n_features: usize, rng: &mut rand::rngs::StdRng) -> (Vec<Vec<f32>>, Ve...
[INFO] [stdout]   |                                ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]  --> src/random_forest.rs:8:51
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn bootstrap_random_forest(X: &Vec<Vec<f32>>, Y: &Vec<String>, n_features: usize, rng: &mut rand::rngs::StdRng) -> (Vec<Vec<f32>>, Ve...
[INFO] [stdout]   |                                                   ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_` should have a snake case name
[INFO] [stdout]   --> src/random_forest.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut X_: Vec<Vec<f32>> = vec![];
[INFO] [stdout]    |             ^^ help: convert the identifier to snake case: `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_i` should have a snake case name
[INFO] [stdout]   --> src/random_forest.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let mut X_i: Vec<f32> = vec![];
[INFO] [stdout]    |                 ^^^ help: convert the identifier to snake case (notice the capitalization): `x_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]   --> src/random_forest.rs:58:30
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub fn count_val(el: String, Y: &Vec<String>) -> usize{
[INFO] [stdout]    |                              ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]   --> src/random_forest.rs:67:24
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn get_most_common(Y: &Vec<String>) -> String {
[INFO] [stdout]    |                        ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/random_forest.rs:115:27
[INFO] [stdout]     |
[INFO] [stdout] 115 |     pub fn fit(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>) {
[INFO] [stdout]     |                           ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]    --> src/random_forest.rs:115:46
[INFO] [stdout]     |
[INFO] [stdout] 115 |     pub fn fit(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>) {
[INFO] [stdout]     |                                              ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_sample` should have a snake case name
[INFO] [stdout]    --> src/random_forest.rs:122:18
[INFO] [stdout]     |
[INFO] [stdout] 122 |             let (X_sample, y_sample) = bootstrap_random_forest(&X, &Y, self.n_feats, &mut rng);
[INFO] [stdout]     |                  ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_sample`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/random_forest.rs:134:31
[INFO] [stdout]     |
[INFO] [stdout] 134 |     pub fn predict(&mut self, X: &Vec<Vec<f32>>) -> Vec<String> {
[INFO] [stdout]     |                               ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `csv::Error`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use csv::Error;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/dtree.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::prelude::*`
[INFO] [stdout]  --> src/dtree.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `csv::Error`
[INFO] [stdout]  --> src/dtree.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use csv::Error;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/dtree/utils.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/dtree/utils.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `csv::Error`
[INFO] [stdout]  --> src/dtree/utils.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use csv::Error;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/dtree.rs:183:9
[INFO] [stdout]     |
[INFO] [stdout] 183 |         (1.0 - gini)
[INFO] [stdout]     |         ^          ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 183 -         (1.0 - gini)
[INFO] [stdout] 183 +         1.0 - gini
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/utils.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/utils.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `csv::Error`
[INFO] [stdout]  --> src/utils.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use csv::Error;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `wasm_bindgen::prelude::*`
[INFO] [stdout]  --> src/random_forest.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use wasm_bindgen::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]   --> src/random_forest.rs:19:15
[INFO] [stdout]    |
[INFO] [stdout] 19 |         while (ft_ixs.contains(&rnd_ft_idx)) {
[INFO] [stdout]    |               ^                            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 19 -         while (ft_ixs.contains(&rnd_ft_idx)) {
[INFO] [stdout] 19 +         while ft_ixs.contains(&rnd_ft_idx) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude`
[INFO] [stdout]  --> src/dtree.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::prelude`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n_test`
[INFO] [stdout]   --> src/dtree/utils.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let n_test = X.len() - n_train;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_test`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `depth`
[INFO] [stdout]   --> src/dtree.rs:71:17
[INFO] [stdout]    |
[INFO] [stdout] 71 |             let depth = self.max_depth as f32;
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_depth`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_samples`
[INFO] [stdout]    --> src/dtree.rs:107:75
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn get_best_split(&mut self, X: &Vec<Vec<f32>>, Y:  &Vec<String>, num_samples: usize, num_features: usize) -> BestSplitStruct{
[INFO] [stdout]     |                                                                           ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_samples`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n_test`
[INFO] [stdout]   --> src/utils.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let n_test = X.len() - n_train;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/random_forest.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     for i in 0..n_features {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/random_forest.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     for i in 0..n_samples {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/dtree.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl Node{
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 32 |     pub fn new(fi: usize, th: f32, v: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_panic_hook` is never used
[INFO] [stdout]  --> src/dtree/utils.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn set_panic_hook() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `split_dataset` is never used
[INFO] [stdout]   --> src/dtree/utils.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn split_dataset(X: &mut Vec<Vec<f32>>, Y: &mut Vec<String>, train_size: f32) -> (Vec<Vec<f32>>,  Vec<String>, Vec<Vec<f32>>,Vec<Stri...
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `accuracy_per_label` is never used
[INFO] [stdout]   --> src/dtree/utils.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn accuracy_per_label(Y: &Vec<String>, Y_hat: &Vec<String>) -> Vec<f32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_panic_hook` is never used
[INFO] [stdout]  --> src/utils.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn set_panic_hook() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `accuracy_per_label` is never used
[INFO] [stdout]   --> src/utils.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn accuracy_per_label(Y: &Vec<String>, Y_hat: &Vec<String>) -> Vec<f32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_vals` is never used
[INFO] [stdout]   --> src/utils.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub fn count_vals(arr: &Vec<String>, label: String) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unique_vals` is never used
[INFO] [stdout]   --> src/utils.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub fn unique_vals(arr: &Vec<String>) -> Vec<String> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unique_vals_f32` is never used
[INFO] [stdout]   --> src/utils.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 97 | pub fn unique_vals_f32(arr: &Vec<f32>) -> Vec<f32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_column` is never used
[INFO] [stdout]    --> src/utils.rs:113:8
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub fn get_column(matrix: &Vec<Vec<f32>>, col: usize) -> Vec<f32>{
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/main.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         &y.push(b.to_string());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let _ = &y.push(b.to_string());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/main.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         &x.push(aux);
[INFO] [stdout]    |         ^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let _ = &x.push(aux);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_train` should have a snake case name
[INFO] [stdout]   --> src/main.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let (X_train, Y_train, X_test, Y_test) = utils::split_dataset(&mut x, &mut y, 0.8);
[INFO] [stdout]    |          ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_train`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y_train` should have a snake case name
[INFO] [stdout]   --> src/main.rs:50:19
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let (X_train, Y_train, X_test, Y_test) = utils::split_dataset(&mut x, &mut y, 0.8);
[INFO] [stdout]    |                   ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `y_train`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_test` should have a snake case name
[INFO] [stdout]   --> src/main.rs:50:28
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let (X_train, Y_train, X_test, Y_test) = utils::split_dataset(&mut x, &mut y, 0.8);
[INFO] [stdout]    |                            ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y_test` should have a snake case name
[INFO] [stdout]   --> src/main.rs:50:36
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let (X_train, Y_train, X_test, Y_test) = utils::split_dataset(&mut x, &mut y, 0.8);
[INFO] [stdout]    |                                    ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `y_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]   --> src/dtree.rs:62:34
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn build_tree(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>, curr_depth: usize) -> Option<Box<Node>>{
[INFO] [stdout]    |                                  ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]   --> src/dtree.rs:62:53
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn build_tree(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>, curr_depth: usize) -> Option<Box<Node>>{
[INFO] [stdout]    |                                                     ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:107:38
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn get_best_split(&mut self, X: &Vec<Vec<f32>>, Y:  &Vec<String>, num_samples: usize, num_features: usize) -> BestSplitStruct{
[INFO] [stdout]     |                                      ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:107:57
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn get_best_split(&mut self, X: &Vec<Vec<f32>>, Y:  &Vec<String>, num_samples: usize, num_features: usize) -> BestSplitStruct{
[INFO] [stdout]     |                                                         ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:170:34
[INFO] [stdout]     |
[INFO] [stdout] 170 |     pub fn gini_index(&mut self, Y: &Vec<String>) -> f32 {
[INFO] [stdout]     |                                  ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:187:29
[INFO] [stdout]     |
[INFO] [stdout] 187 |     pub fn split(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>, feature_index: usize, threshold: f32) -> (Vec<Vec<f32>>, Vec<Vec<f32>>, V...
[INFO] [stdout]     |                             ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:187:48
[INFO] [stdout]     |
[INFO] [stdout] 187 |     pub fn split(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>, feature_index: usize, threshold: f32) -> (Vec<Vec<f32>>, Vec<Vec<f32>>, V...
[INFO] [stdout]     |                                                ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:225:44
[INFO] [stdout]     |
[INFO] [stdout] 225 |     pub fn calculate_leaf_value(&mut self, Y: &Vec<String> ) -> String{
[INFO] [stdout]     |                                            ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:249:27
[INFO] [stdout]     |
[INFO] [stdout] 249 |     pub fn fit(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>) {
[INFO] [stdout]     |                           ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:249:46
[INFO] [stdout]     |
[INFO] [stdout] 249 |     pub fn fit(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>) {
[INFO] [stdout]     |                                              ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:253:35
[INFO] [stdout]     |
[INFO] [stdout] 253 |     pub fn make_prediction(&self, X: &Vec<f32>, tree: &Option<Box<Node>>) -> String{
[INFO] [stdout]     |                                   ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:275:27
[INFO] [stdout]     |
[INFO] [stdout] 275 |     pub fn predict(&self, X: &Vec<Vec<f32>>) -> Vec<String> {
[INFO] [stdout]     |                           ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]   --> src/dtree/utils.rs:17:22
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn split_dataset(X: &mut Vec<Vec<f32>>, Y: &mut Vec<String>, train_size: f32) -> (Vec<Vec<f32>>,  Vec<String>, Vec<Vec<f32>>,Vec<Stri...
[INFO] [stdout]    |                      ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]   --> src/dtree/utils.rs:17:45
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn split_dataset(X: &mut Vec<Vec<f32>>, Y: &mut Vec<String>, train_size: f32) -> (Vec<Vec<f32>>,  Vec<String>, Vec<Vec<f32>>,Vec<Stri...
[INFO] [stdout]    |                                             ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_test` should have a snake case name
[INFO] [stdout]   --> src/dtree/utils.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut X_test: Vec<Vec<f32>> = vec![];
[INFO] [stdout]    |             ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_train` should have a snake case name
[INFO] [stdout]   --> src/dtree/utils.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut X_train: Vec<Vec<f32>> = vec![];
[INFO] [stdout]    |             ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_train`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y_test` should have a snake case name
[INFO] [stdout]   --> src/dtree/utils.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut Y_test: Vec<String> = vec![];
[INFO] [stdout]    |             ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `y_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y_train` should have a snake case name
[INFO] [stdout]   --> src/dtree/utils.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let mut Y_train: Vec<String> = vec![];
[INFO] [stdout]    |             ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `y_train`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]   --> src/dtree/utils.rs:52:27
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn accuracy_per_label(Y: &Vec<String>, Y_hat: &Vec<String>) -> Vec<f32> {
[INFO] [stdout]    |                           ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y_hat` should have a snake case name
[INFO] [stdout]   --> src/dtree/utils.rs:52:44
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn accuracy_per_label(Y: &Vec<String>, Y_hat: &Vec<String>) -> Vec<f32> {
[INFO] [stdout]    |                                            ^^^^^ help: convert the identifier to snake case (notice the capitalization): `y_hat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:17:22
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn split_dataset(X: &mut Vec<Vec<f32>>, Y: &mut Vec<String>, train_size: f32) -> (Vec<Vec<f32>>,  Vec<String>, Vec<Vec<f32>>,Vec<Stri...
[INFO] [stdout]    |                      ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:17:45
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn split_dataset(X: &mut Vec<Vec<f32>>, Y: &mut Vec<String>, train_size: f32) -> (Vec<Vec<f32>>,  Vec<String>, Vec<Vec<f32>>,Vec<Stri...
[INFO] [stdout]    |                                             ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_test` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut X_test: Vec<Vec<f32>> = vec![];
[INFO] [stdout]    |             ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_train` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut X_train: Vec<Vec<f32>> = vec![];
[INFO] [stdout]    |             ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_train`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y_test` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut Y_test: Vec<String> = vec![];
[INFO] [stdout]    |             ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `y_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y_train` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let mut Y_train: Vec<String> = vec![];
[INFO] [stdout]    |             ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `y_train`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:52:27
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn accuracy_per_label(Y: &Vec<String>, Y_hat: &Vec<String>) -> Vec<f32> {
[INFO] [stdout]    |                           ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y_hat` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:52:44
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn accuracy_per_label(Y: &Vec<String>, Y_hat: &Vec<String>) -> Vec<f32> {
[INFO] [stdout]    |                                            ^^^^^ help: convert the identifier to snake case (notice the capitalization): `y_hat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]  --> src/random_forest.rs:8:32
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn bootstrap_random_forest(X: &Vec<Vec<f32>>, Y: &Vec<String>, n_features: usize, rng: &mut rand::rngs::StdRng) -> (Vec<Vec<f32>>, Ve...
[INFO] [stdout]   |                                ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]  --> src/random_forest.rs:8:51
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn bootstrap_random_forest(X: &Vec<Vec<f32>>, Y: &Vec<String>, n_features: usize, rng: &mut rand::rngs::StdRng) -> (Vec<Vec<f32>>, Ve...
[INFO] [stdout]   |                                                   ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_` should have a snake case name
[INFO] [stdout]   --> src/random_forest.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut X_: Vec<Vec<f32>> = vec![];
[INFO] [stdout]    |             ^^ help: convert the identifier to snake case: `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_i` should have a snake case name
[INFO] [stdout]   --> src/random_forest.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let mut X_i: Vec<f32> = vec![];
[INFO] [stdout]    |                 ^^^ help: convert the identifier to snake case (notice the capitalization): `x_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]   --> src/random_forest.rs:58:30
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub fn count_val(el: String, Y: &Vec<String>) -> usize{
[INFO] [stdout]    |                              ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]   --> src/random_forest.rs:67:24
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn get_most_common(Y: &Vec<String>) -> String {
[INFO] [stdout]    |                        ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/random_forest.rs:115:27
[INFO] [stdout]     |
[INFO] [stdout] 115 |     pub fn fit(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>) {
[INFO] [stdout]     |                           ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]    --> src/random_forest.rs:115:46
[INFO] [stdout]     |
[INFO] [stdout] 115 |     pub fn fit(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>) {
[INFO] [stdout]     |                                              ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_sample` should have a snake case name
[INFO] [stdout]    --> src/random_forest.rs:122:18
[INFO] [stdout]     |
[INFO] [stdout] 122 |             let (X_sample, y_sample) = bootstrap_random_forest(&X, &Y, self.n_feats, &mut rng);
[INFO] [stdout]     |                  ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_sample`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/random_forest.rs:134:31
[INFO] [stdout]     |
[INFO] [stdout] 134 |     pub fn predict(&mut self, X: &Vec<Vec<f32>>) -> Vec<String> {
[INFO] [stdout]     |                               ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.58s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.83
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "b02cd90f3ad6cf50fda7f94510c66ab2a5122830405a02d8feebf5af0e6e3cf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b02cd90f3ad6cf50fda7f94510c66ab2a5122830405a02d8feebf5af0e6e3cf4", kill_on_drop: false }`
[INFO] [stdout] b02cd90f3ad6cf50fda7f94510c66ab2a5122830405a02d8feebf5af0e6e3cf4
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 224b0ae4b594365a2c3a209d9f059c7ee174d00bf11a03b2915b01f48469b4db
[INFO] running `Command { std: "docker" "start" "-a" "224b0ae4b594365a2c3a209d9f059c7ee174d00bf11a03b2915b01f48469b4db", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.33
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling js-sys v0.3.60
[INFO] [stdout] warning: unused import: `rand::prelude::*`
[INFO] [stdout]  --> src/lib.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: `std::fs::File`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/dtree.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::prelude::*`
[INFO] [stdout]  --> src/dtree.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `csv::Error`
[INFO] [stdout]  --> src/dtree.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use csv::Error;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/dtree/utils.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/dtree/utils.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `csv::Error`
[INFO] [stdout]  --> src/dtree/utils.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use csv::Error;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/dtree.rs:183:9
[INFO] [stdout]     |
[INFO] [stdout] 183 |         (1.0 - gini)
[INFO] [stdout]     |         ^          ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 183 -         (1.0 - gini)
[INFO] [stdout] 183 +         1.0 - gini
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/utils.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/utils.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `csv::Error`
[INFO] [stdout]  --> src/utils.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use csv::Error;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `wasm_bindgen::prelude::*`
[INFO] [stdout]  --> src/random_forest.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use wasm_bindgen::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]   --> src/random_forest.rs:19:15
[INFO] [stdout]    |
[INFO] [stdout] 19 |         while (ft_ixs.contains(&rnd_ft_idx)) {
[INFO] [stdout]    |               ^                            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 19 -         while (ft_ixs.contains(&rnd_ft_idx)) {
[INFO] [stdout] 19 +         while ft_ixs.contains(&rnd_ft_idx) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `wasm_bindgen::JsValue::into_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stdout]   --> src/lib.rs:22:34
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let task: String = task_type.into_serde().unwrap();
[INFO] [stdout]    |                                  ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `wasm_bindgen::JsValue::into_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stdout]   --> src/lib.rs:25:56
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let mut rf: random_forest::RandomForest = json.into_serde().unwrap();
[INFO] [stdout]    |                                                        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `wasm_bindgen::JsValue::into_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stdout]   --> src/lib.rs:26:51
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let x_test: Vec<Vec<f32>> = train_dataset.into_serde().unwrap();
[INFO] [stdout]    |                                                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `wasm_bindgen::JsValue::from_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stdout]   --> src/lib.rs:29:18
[INFO] [stdout]    |
[INFO] [stdout] 29 |         JsValue::from_serde(&y_pred).unwrap()
[INFO] [stdout]    |                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `wasm_bindgen::JsValue::into_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stdout]   --> src/lib.rs:33:33
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let params: Data = json.into_serde().unwrap();
[INFO] [stdout]    |                                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `wasm_bindgen::JsValue::into_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stdout]   --> src/lib.rs:35:50
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let mut x: Vec<Vec<f32>> = train_dataset.into_serde().unwrap();
[INFO] [stdout]    |                                                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `wasm_bindgen::JsValue::into_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stdout]   --> src/lib.rs:36:47
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let mut y: Vec<String> = train_labels.into_serde().unwrap();
[INFO] [stdout]    |                                               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `wasm_bindgen::JsValue::from_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stdout]   --> src/lib.rs:52:18
[INFO] [stdout]    |
[INFO] [stdout] 52 |         JsValue::from_serde(&rf).unwrap()
[INFO] [stdout]    |                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude`
[INFO] [stdout]  --> src/dtree.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n_test`
[INFO] [stdout]   --> src/dtree/utils.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let n_test = X.len() - n_train;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_test`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `depth`
[INFO] [stdout]   --> src/dtree.rs:71:17
[INFO] [stdout]    |
[INFO] [stdout] 71 |             let depth = self.max_depth as f32;
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_depth`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_samples`
[INFO] [stdout]    --> src/dtree.rs:107:75
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn get_best_split(&mut self, X: &Vec<Vec<f32>>, Y:  &Vec<String>, num_samples: usize, num_features: usize) -> BestSplitStruct{
[INFO] [stdout]     |                                                                           ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_samples`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n_test`
[INFO] [stdout]   --> src/utils.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let n_test = X.len() - n_train;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/random_forest.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     for i in 0..n_features {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/random_forest.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     for i in 0..n_samples {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `percent`
[INFO] [stdout]   --> src/lib.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let percent = random_forest::accuracy(&y_pred, &y_train);
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_percent`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/dtree.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl Node{
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 32 |     pub fn new(fi: usize, th: f32, v: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_panic_hook` is never used
[INFO] [stdout]  --> src/dtree/utils.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn set_panic_hook() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `split_dataset` is never used
[INFO] [stdout]   --> src/dtree/utils.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn split_dataset(X: &mut Vec<Vec<f32>>, Y: &mut Vec<String>, train_size: f32) -> (Vec<Vec<f32>>,  Vec<String>, Vec<Vec<f32>>,Vec<Stri...
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `accuracy_per_label` is never used
[INFO] [stdout]   --> src/dtree/utils.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn accuracy_per_label(Y: &Vec<String>, Y_hat: &Vec<String>) -> Vec<f32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_panic_hook` is never used
[INFO] [stdout]  --> src/utils.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn set_panic_hook() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `accuracy_per_label` is never used
[INFO] [stdout]   --> src/utils.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn accuracy_per_label(Y: &Vec<String>, Y_hat: &Vec<String>) -> Vec<f32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_vals` is never used
[INFO] [stdout]   --> src/utils.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub fn count_vals(arr: &Vec<String>, label: String) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unique_vals` is never used
[INFO] [stdout]   --> src/utils.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub fn unique_vals(arr: &Vec<String>) -> Vec<String> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unique_vals_f32` is never used
[INFO] [stdout]   --> src/utils.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 97 | pub fn unique_vals_f32(arr: &Vec<f32>) -> Vec<f32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_column` is never used
[INFO] [stdout]    --> src/utils.rs:113:8
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub fn get_column(matrix: &Vec<Vec<f32>>, col: usize) -> Vec<f32>{
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]   --> src/dtree.rs:62:34
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn build_tree(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>, curr_depth: usize) -> Option<Box<Node>>{
[INFO] [stdout]    |                                  ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]   --> src/dtree.rs:62:53
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn build_tree(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>, curr_depth: usize) -> Option<Box<Node>>{
[INFO] [stdout]    |                                                     ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:107:38
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn get_best_split(&mut self, X: &Vec<Vec<f32>>, Y:  &Vec<String>, num_samples: usize, num_features: usize) -> BestSplitStruct{
[INFO] [stdout]     |                                      ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:107:57
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn get_best_split(&mut self, X: &Vec<Vec<f32>>, Y:  &Vec<String>, num_samples: usize, num_features: usize) -> BestSplitStruct{
[INFO] [stdout]     |                                                         ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:170:34
[INFO] [stdout]     |
[INFO] [stdout] 170 |     pub fn gini_index(&mut self, Y: &Vec<String>) -> f32 {
[INFO] [stdout]     |                                  ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:187:29
[INFO] [stdout]     |
[INFO] [stdout] 187 |     pub fn split(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>, feature_index: usize, threshold: f32) -> (Vec<Vec<f32>>, Vec<Vec<f32>>, V...
[INFO] [stdout]     |                             ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:187:48
[INFO] [stdout]     |
[INFO] [stdout] 187 |     pub fn split(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>, feature_index: usize, threshold: f32) -> (Vec<Vec<f32>>, Vec<Vec<f32>>, V...
[INFO] [stdout]     |                                                ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:225:44
[INFO] [stdout]     |
[INFO] [stdout] 225 |     pub fn calculate_leaf_value(&mut self, Y: &Vec<String> ) -> String{
[INFO] [stdout]     |                                            ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:249:27
[INFO] [stdout]     |
[INFO] [stdout] 249 |     pub fn fit(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>) {
[INFO] [stdout]     |                           ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:249:46
[INFO] [stdout]     |
[INFO] [stdout] 249 |     pub fn fit(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>) {
[INFO] [stdout]     |                                              ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:253:35
[INFO] [stdout]     |
[INFO] [stdout] 253 |     pub fn make_prediction(&self, X: &Vec<f32>, tree: &Option<Box<Node>>) -> String{
[INFO] [stdout]     |                                   ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:275:27
[INFO] [stdout]     |
[INFO] [stdout] 275 |     pub fn predict(&self, X: &Vec<Vec<f32>>) -> Vec<String> {
[INFO] [stdout]     |                           ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]   --> src/dtree/utils.rs:17:22
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn split_dataset(X: &mut Vec<Vec<f32>>, Y: &mut Vec<String>, train_size: f32) -> (Vec<Vec<f32>>,  Vec<String>, Vec<Vec<f32>>,Vec<Stri...
[INFO] [stdout]    |                      ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]   --> src/dtree/utils.rs:17:45
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn split_dataset(X: &mut Vec<Vec<f32>>, Y: &mut Vec<String>, train_size: f32) -> (Vec<Vec<f32>>,  Vec<String>, Vec<Vec<f32>>,Vec<Stri...
[INFO] [stdout]    |                                             ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_test` should have a snake case name
[INFO] [stdout]   --> src/dtree/utils.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut X_test: Vec<Vec<f32>> = vec![];
[INFO] [stdout]    |             ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_train` should have a snake case name
[INFO] [stdout]   --> src/dtree/utils.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut X_train: Vec<Vec<f32>> = vec![];
[INFO] [stdout]    |             ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_train`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y_test` should have a snake case name
[INFO] [stdout]   --> src/dtree/utils.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut Y_test: Vec<String> = vec![];
[INFO] [stdout]    |             ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `y_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y_train` should have a snake case name
[INFO] [stdout]   --> src/dtree/utils.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let mut Y_train: Vec<String> = vec![];
[INFO] [stdout]    |             ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `y_train`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]   --> src/dtree/utils.rs:52:27
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn accuracy_per_label(Y: &Vec<String>, Y_hat: &Vec<String>) -> Vec<f32> {
[INFO] [stdout]    |                           ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y_hat` should have a snake case name
[INFO] [stdout]   --> src/dtree/utils.rs:52:44
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn accuracy_per_label(Y: &Vec<String>, Y_hat: &Vec<String>) -> Vec<f32> {
[INFO] [stdout]    |                                            ^^^^^ help: convert the identifier to snake case (notice the capitalization): `y_hat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:17:22
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn split_dataset(X: &mut Vec<Vec<f32>>, Y: &mut Vec<String>, train_size: f32) -> (Vec<Vec<f32>>,  Vec<String>, Vec<Vec<f32>>,Vec<Stri...
[INFO] [stdout]    |                      ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:17:45
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn split_dataset(X: &mut Vec<Vec<f32>>, Y: &mut Vec<String>, train_size: f32) -> (Vec<Vec<f32>>,  Vec<String>, Vec<Vec<f32>>,Vec<Stri...
[INFO] [stdout]    |                                             ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_test` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut X_test: Vec<Vec<f32>> = vec![];
[INFO] [stdout]    |             ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_train` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut X_train: Vec<Vec<f32>> = vec![];
[INFO] [stdout]    |             ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_train`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y_test` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut Y_test: Vec<String> = vec![];
[INFO] [stdout]    |             ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `y_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y_train` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let mut Y_train: Vec<String> = vec![];
[INFO] [stdout]    |             ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `y_train`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:52:27
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn accuracy_per_label(Y: &Vec<String>, Y_hat: &Vec<String>) -> Vec<f32> {
[INFO] [stdout]    |                           ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y_hat` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:52:44
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn accuracy_per_label(Y: &Vec<String>, Y_hat: &Vec<String>) -> Vec<f32> {
[INFO] [stdout]    |                                            ^^^^^ help: convert the identifier to snake case (notice the capitalization): `y_hat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]  --> src/random_forest.rs:8:32
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn bootstrap_random_forest(X: &Vec<Vec<f32>>, Y: &Vec<String>, n_features: usize, rng: &mut rand::rngs::StdRng) -> (Vec<Vec<f32>>, Ve...
[INFO] [stdout]   |                                ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]  --> src/random_forest.rs:8:51
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn bootstrap_random_forest(X: &Vec<Vec<f32>>, Y: &Vec<String>, n_features: usize, rng: &mut rand::rngs::StdRng) -> (Vec<Vec<f32>>, Ve...
[INFO] [stdout]   |                                                   ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_` should have a snake case name
[INFO] [stdout]   --> src/random_forest.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut X_: Vec<Vec<f32>> = vec![];
[INFO] [stdout]    |             ^^ help: convert the identifier to snake case: `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_i` should have a snake case name
[INFO] [stdout]   --> src/random_forest.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let mut X_i: Vec<f32> = vec![];
[INFO] [stdout]    |                 ^^^ help: convert the identifier to snake case (notice the capitalization): `x_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]   --> src/random_forest.rs:58:30
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub fn count_val(el: String, Y: &Vec<String>) -> usize{
[INFO] [stdout]    |                              ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]   --> src/random_forest.rs:67:24
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn get_most_common(Y: &Vec<String>) -> String {
[INFO] [stdout]    |                        ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/random_forest.rs:115:27
[INFO] [stdout]     |
[INFO] [stdout] 115 |     pub fn fit(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>) {
[INFO] [stdout]     |                           ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]    --> src/random_forest.rs:115:46
[INFO] [stdout]     |
[INFO] [stdout] 115 |     pub fn fit(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>) {
[INFO] [stdout]     |                                              ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_sample` should have a snake case name
[INFO] [stdout]    --> src/random_forest.rs:122:18
[INFO] [stdout]     |
[INFO] [stdout] 122 |             let (X_sample, y_sample) = bootstrap_random_forest(&X, &Y, self.n_feats, &mut rng);
[INFO] [stdout]     |                  ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_sample`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/random_forest.rs:134:31
[INFO] [stdout]     |
[INFO] [stdout] 134 |     pub fn predict(&mut self, X: &Vec<Vec<f32>>) -> Vec<String> {
[INFO] [stdout]     |                               ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `csv::Error`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use csv::Error;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/dtree.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::prelude::*`
[INFO] [stdout]  --> src/dtree.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `csv::Error`
[INFO] [stdout]  --> src/dtree.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use csv::Error;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/dtree/utils.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/dtree/utils.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `csv::Error`
[INFO] [stdout]  --> src/dtree/utils.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use csv::Error;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/dtree.rs:183:9
[INFO] [stdout]     |
[INFO] [stdout] 183 |         (1.0 - gini)
[INFO] [stdout]     |         ^          ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 183 -         (1.0 - gini)
[INFO] [stdout] 183 +         1.0 - gini
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/utils.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/utils.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `csv::Error`
[INFO] [stdout]  --> src/utils.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use csv::Error;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `wasm_bindgen::prelude::*`
[INFO] [stdout]  --> src/random_forest.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use wasm_bindgen::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]   --> src/random_forest.rs:19:15
[INFO] [stdout]    |
[INFO] [stdout] 19 |         while (ft_ixs.contains(&rnd_ft_idx)) {
[INFO] [stdout]    |               ^                            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 19 -         while (ft_ixs.contains(&rnd_ft_idx)) {
[INFO] [stdout] 19 +         while ft_ixs.contains(&rnd_ft_idx) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude`
[INFO] [stdout]  --> src/dtree.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::prelude`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n_test`
[INFO] [stdout]   --> src/dtree/utils.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let n_test = X.len() - n_train;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_test`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `depth`
[INFO] [stdout]   --> src/dtree.rs:71:17
[INFO] [stdout]    |
[INFO] [stdout] 71 |             let depth = self.max_depth as f32;
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_depth`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_samples`
[INFO] [stdout]    --> src/dtree.rs:107:75
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn get_best_split(&mut self, X: &Vec<Vec<f32>>, Y:  &Vec<String>, num_samples: usize, num_features: usize) -> BestSplitStruct{
[INFO] [stdout]     |                                                                           ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_samples`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n_test`
[INFO] [stdout]   --> src/utils.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let n_test = X.len() - n_train;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/random_forest.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     for i in 0..n_features {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/random_forest.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     for i in 0..n_samples {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/dtree.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl Node{
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 32 |     pub fn new(fi: usize, th: f32, v: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_panic_hook` is never used
[INFO] [stdout]  --> src/dtree/utils.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn set_panic_hook() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `split_dataset` is never used
[INFO] [stdout]   --> src/dtree/utils.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn split_dataset(X: &mut Vec<Vec<f32>>, Y: &mut Vec<String>, train_size: f32) -> (Vec<Vec<f32>>,  Vec<String>, Vec<Vec<f32>>,Vec<Stri...
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `accuracy_per_label` is never used
[INFO] [stdout]   --> src/dtree/utils.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn accuracy_per_label(Y: &Vec<String>, Y_hat: &Vec<String>) -> Vec<f32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_panic_hook` is never used
[INFO] [stdout]  --> src/utils.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn set_panic_hook() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `accuracy_per_label` is never used
[INFO] [stdout]   --> src/utils.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn accuracy_per_label(Y: &Vec<String>, Y_hat: &Vec<String>) -> Vec<f32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_vals` is never used
[INFO] [stdout]   --> src/utils.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub fn count_vals(arr: &Vec<String>, label: String) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unique_vals` is never used
[INFO] [stdout]   --> src/utils.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub fn unique_vals(arr: &Vec<String>) -> Vec<String> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unique_vals_f32` is never used
[INFO] [stdout]   --> src/utils.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 97 | pub fn unique_vals_f32(arr: &Vec<f32>) -> Vec<f32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_column` is never used
[INFO] [stdout]    --> src/utils.rs:113:8
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub fn get_column(matrix: &Vec<Vec<f32>>, col: usize) -> Vec<f32>{
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/main.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         &y.push(b.to_string());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let _ = &y.push(b.to_string());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/main.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         &x.push(aux);
[INFO] [stdout]    |         ^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let _ = &x.push(aux);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_train` should have a snake case name
[INFO] [stdout]   --> src/main.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let (X_train, Y_train, X_test, Y_test) = utils::split_dataset(&mut x, &mut y, 0.8);
[INFO] [stdout]    |          ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_train`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y_train` should have a snake case name
[INFO] [stdout]   --> src/main.rs:50:19
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let (X_train, Y_train, X_test, Y_test) = utils::split_dataset(&mut x, &mut y, 0.8);
[INFO] [stdout]    |                   ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `y_train`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_test` should have a snake case name
[INFO] [stdout]   --> src/main.rs:50:28
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let (X_train, Y_train, X_test, Y_test) = utils::split_dataset(&mut x, &mut y, 0.8);
[INFO] [stdout]    |                            ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y_test` should have a snake case name
[INFO] [stdout]   --> src/main.rs:50:36
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let (X_train, Y_train, X_test, Y_test) = utils::split_dataset(&mut x, &mut y, 0.8);
[INFO] [stdout]    |                                    ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `y_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]   --> src/dtree.rs:62:34
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn build_tree(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>, curr_depth: usize) -> Option<Box<Node>>{
[INFO] [stdout]    |                                  ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]   --> src/dtree.rs:62:53
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn build_tree(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>, curr_depth: usize) -> Option<Box<Node>>{
[INFO] [stdout]    |                                                     ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:107:38
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn get_best_split(&mut self, X: &Vec<Vec<f32>>, Y:  &Vec<String>, num_samples: usize, num_features: usize) -> BestSplitStruct{
[INFO] [stdout]     |                                      ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:107:57
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn get_best_split(&mut self, X: &Vec<Vec<f32>>, Y:  &Vec<String>, num_samples: usize, num_features: usize) -> BestSplitStruct{
[INFO] [stdout]     |                                                         ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:170:34
[INFO] [stdout]     |
[INFO] [stdout] 170 |     pub fn gini_index(&mut self, Y: &Vec<String>) -> f32 {
[INFO] [stdout]     |                                  ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:187:29
[INFO] [stdout]     |
[INFO] [stdout] 187 |     pub fn split(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>, feature_index: usize, threshold: f32) -> (Vec<Vec<f32>>, Vec<Vec<f32>>, V...
[INFO] [stdout]     |                             ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:187:48
[INFO] [stdout]     |
[INFO] [stdout] 187 |     pub fn split(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>, feature_index: usize, threshold: f32) -> (Vec<Vec<f32>>, Vec<Vec<f32>>, V...
[INFO] [stdout]     |                                                ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:225:44
[INFO] [stdout]     |
[INFO] [stdout] 225 |     pub fn calculate_leaf_value(&mut self, Y: &Vec<String> ) -> String{
[INFO] [stdout]     |                                            ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:249:27
[INFO] [stdout]     |
[INFO] [stdout] 249 |     pub fn fit(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>) {
[INFO] [stdout]     |                           ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:249:46
[INFO] [stdout]     |
[INFO] [stdout] 249 |     pub fn fit(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>) {
[INFO] [stdout]     |                                              ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:253:35
[INFO] [stdout]     |
[INFO] [stdout] 253 |     pub fn make_prediction(&self, X: &Vec<f32>, tree: &Option<Box<Node>>) -> String{
[INFO] [stdout]     |                                   ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:275:27
[INFO] [stdout]     |
[INFO] [stdout] 275 |     pub fn predict(&self, X: &Vec<Vec<f32>>) -> Vec<String> {
[INFO] [stdout]     |                           ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]   --> src/dtree/utils.rs:17:22
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn split_dataset(X: &mut Vec<Vec<f32>>, Y: &mut Vec<String>, train_size: f32) -> (Vec<Vec<f32>>,  Vec<String>, Vec<Vec<f32>>,Vec<Stri...
[INFO] [stdout]    |                      ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]   --> src/dtree/utils.rs:17:45
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn split_dataset(X: &mut Vec<Vec<f32>>, Y: &mut Vec<String>, train_size: f32) -> (Vec<Vec<f32>>,  Vec<String>, Vec<Vec<f32>>,Vec<Stri...
[INFO] [stdout]    |                                             ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_test` should have a snake case name
[INFO] [stdout]   --> src/dtree/utils.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut X_test: Vec<Vec<f32>> = vec![];
[INFO] [stdout]    |             ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_train` should have a snake case name
[INFO] [stdout]   --> src/dtree/utils.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut X_train: Vec<Vec<f32>> = vec![];
[INFO] [stdout]    |             ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_train`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y_test` should have a snake case name
[INFO] [stdout]   --> src/dtree/utils.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut Y_test: Vec<String> = vec![];
[INFO] [stdout]    |             ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `y_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y_train` should have a snake case name
[INFO] [stdout]   --> src/dtree/utils.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let mut Y_train: Vec<String> = vec![];
[INFO] [stdout]    |             ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `y_train`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]   --> src/dtree/utils.rs:52:27
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn accuracy_per_label(Y: &Vec<String>, Y_hat: &Vec<String>) -> Vec<f32> {
[INFO] [stdout]    |                           ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y_hat` should have a snake case name
[INFO] [stdout]   --> src/dtree/utils.rs:52:44
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn accuracy_per_label(Y: &Vec<String>, Y_hat: &Vec<String>) -> Vec<f32> {
[INFO] [stdout]    |                                            ^^^^^ help: convert the identifier to snake case (notice the capitalization): `y_hat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:17:22
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn split_dataset(X: &mut Vec<Vec<f32>>, Y: &mut Vec<String>, train_size: f32) -> (Vec<Vec<f32>>,  Vec<String>, Vec<Vec<f32>>,Vec<Stri...
[INFO] [stdout]    |                      ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:17:45
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn split_dataset(X: &mut Vec<Vec<f32>>, Y: &mut Vec<String>, train_size: f32) -> (Vec<Vec<f32>>,  Vec<String>, Vec<Vec<f32>>,Vec<Stri...
[INFO] [stdout]    |                                             ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_test` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut X_test: Vec<Vec<f32>> = vec![];
[INFO] [stdout]    |             ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_train` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut X_train: Vec<Vec<f32>> = vec![];
[INFO] [stdout]    |             ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_train`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y_test` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut Y_test: Vec<String> = vec![];
[INFO] [stdout]    |             ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `y_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y_train` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let mut Y_train: Vec<String> = vec![];
[INFO] [stdout]    |             ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `y_train`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:52:27
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn accuracy_per_label(Y: &Vec<String>, Y_hat: &Vec<String>) -> Vec<f32> {
[INFO] [stdout]    |                           ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y_hat` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:52:44
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn accuracy_per_label(Y: &Vec<String>, Y_hat: &Vec<String>) -> Vec<f32> {
[INFO] [stdout]    |                                            ^^^^^ help: convert the identifier to snake case (notice the capitalization): `y_hat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]  --> src/random_forest.rs:8:32
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn bootstrap_random_forest(X: &Vec<Vec<f32>>, Y: &Vec<String>, n_features: usize, rng: &mut rand::rngs::StdRng) -> (Vec<Vec<f32>>, Ve...
[INFO] [stdout]   |                                ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]  --> src/random_forest.rs:8:51
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn bootstrap_random_forest(X: &Vec<Vec<f32>>, Y: &Vec<String>, n_features: usize, rng: &mut rand::rngs::StdRng) -> (Vec<Vec<f32>>, Ve...
[INFO] [stdout]   |                                                   ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_` should have a snake case name
[INFO] [stdout]   --> src/random_forest.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut X_: Vec<Vec<f32>> = vec![];
[INFO] [stdout]    |             ^^ help: convert the identifier to snake case: `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_i` should have a snake case name
[INFO] [stdout]   --> src/random_forest.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let mut X_i: Vec<f32> = vec![];
[INFO] [stdout]    |                 ^^^ help: convert the identifier to snake case (notice the capitalization): `x_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]   --> src/random_forest.rs:58:30
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub fn count_val(el: String, Y: &Vec<String>) -> usize{
[INFO] [stdout]    |                              ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]   --> src/random_forest.rs:67:24
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn get_most_common(Y: &Vec<String>) -> String {
[INFO] [stdout]    |                        ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/random_forest.rs:115:27
[INFO] [stdout]     |
[INFO] [stdout] 115 |     pub fn fit(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>) {
[INFO] [stdout]     |                           ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]    --> src/random_forest.rs:115:46
[INFO] [stdout]     |
[INFO] [stdout] 115 |     pub fn fit(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>) {
[INFO] [stdout]     |                                              ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_sample` should have a snake case name
[INFO] [stdout]    --> src/random_forest.rs:122:18
[INFO] [stdout]     |
[INFO] [stdout] 122 |             let (X_sample, y_sample) = bootstrap_random_forest(&X, &Y, self.n_feats, &mut rng);
[INFO] [stdout]     |                  ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_sample`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/random_forest.rs:134:31
[INFO] [stdout]     |
[INFO] [stdout] 134 |     pub fn predict(&mut self, X: &Vec<Vec<f32>>) -> Vec<String> {
[INFO] [stdout]     |                               ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.4.33
[INFO] [stderr]    Compiling wasm-bindgen-test v0.3.33
[INFO] [stderr]    Compiling random-forest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `csv::Error`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use csv::Error;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/dtree.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::prelude::*`
[INFO] [stdout]  --> src/dtree.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `csv::Error`
[INFO] [stdout]  --> src/dtree.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use csv::Error;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/dtree/utils.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/dtree/utils.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `csv::Error`
[INFO] [stdout]  --> src/dtree/utils.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use csv::Error;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/dtree.rs:183:9
[INFO] [stdout]     |
[INFO] [stdout] 183 |         (1.0 - gini)
[INFO] [stdout]     |         ^          ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 183 -         (1.0 - gini)
[INFO] [stdout] 183 +         1.0 - gini
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/utils.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/utils.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `csv::Error`
[INFO] [stdout]  --> src/utils.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use csv::Error;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `wasm_bindgen::prelude::*`
[INFO] [stdout]  --> src/random_forest.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use wasm_bindgen::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]   --> src/random_forest.rs:19:15
[INFO] [stdout]    |
[INFO] [stdout] 19 |         while (ft_ixs.contains(&rnd_ft_idx)) {
[INFO] [stdout]    |               ^                            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 19 -         while (ft_ixs.contains(&rnd_ft_idx)) {
[INFO] [stdout] 19 +         while ft_ixs.contains(&rnd_ft_idx) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::prelude::*`
[INFO] [stdout]  --> src/lib.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: `std::fs::File`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/dtree.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::prelude::*`
[INFO] [stdout]  --> src/dtree.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `csv::Error`
[INFO] [stdout]  --> src/dtree.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use csv::Error;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/dtree/utils.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/dtree/utils.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `csv::Error`
[INFO] [stdout]  --> src/dtree/utils.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use csv::Error;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/dtree.rs:183:9
[INFO] [stdout]     |
[INFO] [stdout] 183 |         (1.0 - gini)
[INFO] [stdout]     |         ^          ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 183 -         (1.0 - gini)
[INFO] [stdout] 183 +         1.0 - gini
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/utils.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/utils.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `csv::Error`
[INFO] [stdout]  --> src/utils.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use csv::Error;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `wasm_bindgen::prelude::*`
[INFO] [stdout]  --> src/random_forest.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use wasm_bindgen::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]   --> src/random_forest.rs:19:15
[INFO] [stdout]    |
[INFO] [stdout] 19 |         while (ft_ixs.contains(&rnd_ft_idx)) {
[INFO] [stdout]    |               ^                            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 19 -         while (ft_ixs.contains(&rnd_ft_idx)) {
[INFO] [stdout] 19 +         while ft_ixs.contains(&rnd_ft_idx) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude`
[INFO] [stdout]  --> src/dtree.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::prelude`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n_test`
[INFO] [stdout]   --> src/dtree/utils.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let n_test = X.len() - n_train;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_test`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `wasm_bindgen::JsValue::into_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stdout]   --> src/lib.rs:22:34
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let task: String = task_type.into_serde().unwrap();
[INFO] [stdout]    |                                  ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `wasm_bindgen::JsValue::into_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stdout]   --> src/lib.rs:25:56
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let mut rf: random_forest::RandomForest = json.into_serde().unwrap();
[INFO] [stdout]    |                                                        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `wasm_bindgen::JsValue::into_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stdout]   --> src/lib.rs:26:51
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let x_test: Vec<Vec<f32>> = train_dataset.into_serde().unwrap();
[INFO] [stdout]    |                                                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `wasm_bindgen::JsValue::from_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stdout]   --> src/lib.rs:29:18
[INFO] [stdout]    |
[INFO] [stdout] 29 |         JsValue::from_serde(&y_pred).unwrap()
[INFO] [stdout]    |                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `wasm_bindgen::JsValue::into_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stdout]   --> src/lib.rs:33:33
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let params: Data = json.into_serde().unwrap();
[INFO] [stdout]    |                                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `wasm_bindgen::JsValue::into_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stdout]   --> src/lib.rs:35:50
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let mut x: Vec<Vec<f32>> = train_dataset.into_serde().unwrap();
[INFO] [stdout]    |                                                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `wasm_bindgen::JsValue::into_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stdout]   --> src/lib.rs:36:47
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let mut y: Vec<String> = train_labels.into_serde().unwrap();
[INFO] [stdout]    |                                               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `wasm_bindgen::JsValue::from_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stdout]   --> src/lib.rs:52:18
[INFO] [stdout]    |
[INFO] [stdout] 52 |         JsValue::from_serde(&rf).unwrap()
[INFO] [stdout]    |                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude`
[INFO] [stdout]  --> src/dtree.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n_test`
[INFO] [stdout]   --> src/dtree/utils.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let n_test = X.len() - n_train;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_test`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `depth`
[INFO] [stdout]   --> src/dtree.rs:71:17
[INFO] [stdout]    |
[INFO] [stdout] 71 |             let depth = self.max_depth as f32;
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_depth`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_samples`
[INFO] [stdout]    --> src/dtree.rs:107:75
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn get_best_split(&mut self, X: &Vec<Vec<f32>>, Y:  &Vec<String>, num_samples: usize, num_features: usize) -> BestSplitStruct{
[INFO] [stdout]     |                                                                           ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_samples`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n_test`
[INFO] [stdout]   --> src/utils.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let n_test = X.len() - n_train;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/random_forest.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     for i in 0..n_features {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/random_forest.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     for i in 0..n_samples {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `depth`
[INFO] [stdout]   --> src/dtree.rs:71:17
[INFO] [stdout]    |
[INFO] [stdout] 71 |             let depth = self.max_depth as f32;
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_depth`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_samples`
[INFO] [stdout]    --> src/dtree.rs:107:75
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn get_best_split(&mut self, X: &Vec<Vec<f32>>, Y:  &Vec<String>, num_samples: usize, num_features: usize) -> BestSplitStruct{
[INFO] [stdout]     |                                                                           ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_samples`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n_test`
[INFO] [stdout]   --> src/utils.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let n_test = X.len() - n_train;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/random_forest.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     for i in 0..n_features {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/random_forest.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     for i in 0..n_samples {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `percent`
[INFO] [stdout]   --> src/lib.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let percent = random_forest::accuracy(&y_pred, &y_train);
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_percent`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/dtree.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl Node{
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 32 |     pub fn new(fi: usize, th: f32, v: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_panic_hook` is never used
[INFO] [stdout]  --> src/dtree/utils.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn set_panic_hook() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `split_dataset` is never used
[INFO] [stdout]   --> src/dtree/utils.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn split_dataset(X: &mut Vec<Vec<f32>>, Y: &mut Vec<String>, train_size: f32) -> (Vec<Vec<f32>>,  Vec<String>, Vec<Vec<f32>>,Vec<Stri...
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `accuracy_per_label` is never used
[INFO] [stdout]   --> src/dtree/utils.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn accuracy_per_label(Y: &Vec<String>, Y_hat: &Vec<String>) -> Vec<f32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_panic_hook` is never used
[INFO] [stdout]  --> src/utils.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn set_panic_hook() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `accuracy_per_label` is never used
[INFO] [stdout]   --> src/utils.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn accuracy_per_label(Y: &Vec<String>, Y_hat: &Vec<String>) -> Vec<f32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_vals` is never used
[INFO] [stdout]   --> src/utils.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub fn count_vals(arr: &Vec<String>, label: String) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unique_vals` is never used
[INFO] [stdout]   --> src/utils.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub fn unique_vals(arr: &Vec<String>) -> Vec<String> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unique_vals_f32` is never used
[INFO] [stdout]   --> src/utils.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 97 | pub fn unique_vals_f32(arr: &Vec<f32>) -> Vec<f32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_column` is never used
[INFO] [stdout]    --> src/utils.rs:113:8
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub fn get_column(matrix: &Vec<Vec<f32>>, col: usize) -> Vec<f32>{
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/main.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         &y.push(b.to_string());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let _ = &y.push(b.to_string());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/main.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         &x.push(aux);
[INFO] [stdout]    |         ^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let _ = &x.push(aux);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_train` should have a snake case name
[INFO] [stdout]   --> src/main.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let (X_train, Y_train, X_test, Y_test) = utils::split_dataset(&mut x, &mut y, 0.8);
[INFO] [stdout]    |          ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_train`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y_train` should have a snake case name
[INFO] [stdout]   --> src/main.rs:50:19
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let (X_train, Y_train, X_test, Y_test) = utils::split_dataset(&mut x, &mut y, 0.8);
[INFO] [stdout]    |                   ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `y_train`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_test` should have a snake case name
[INFO] [stdout]   --> src/main.rs:50:28
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let (X_train, Y_train, X_test, Y_test) = utils::split_dataset(&mut x, &mut y, 0.8);
[INFO] [stdout]    |                            ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y_test` should have a snake case name
[INFO] [stdout]   --> src/main.rs:50:36
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let (X_train, Y_train, X_test, Y_test) = utils::split_dataset(&mut x, &mut y, 0.8);
[INFO] [stdout]    |                                    ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `y_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]   --> src/dtree.rs:62:34
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn build_tree(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>, curr_depth: usize) -> Option<Box<Node>>{
[INFO] [stdout]    |                                  ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]   --> src/dtree.rs:62:53
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn build_tree(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>, curr_depth: usize) -> Option<Box<Node>>{
[INFO] [stdout]    |                                                     ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:107:38
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn get_best_split(&mut self, X: &Vec<Vec<f32>>, Y:  &Vec<String>, num_samples: usize, num_features: usize) -> BestSplitStruct{
[INFO] [stdout]     |                                      ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:107:57
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn get_best_split(&mut self, X: &Vec<Vec<f32>>, Y:  &Vec<String>, num_samples: usize, num_features: usize) -> BestSplitStruct{
[INFO] [stdout]     |                                                         ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:170:34
[INFO] [stdout]     |
[INFO] [stdout] 170 |     pub fn gini_index(&mut self, Y: &Vec<String>) -> f32 {
[INFO] [stdout]     |                                  ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:187:29
[INFO] [stdout]     |
[INFO] [stdout] 187 |     pub fn split(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>, feature_index: usize, threshold: f32) -> (Vec<Vec<f32>>, Vec<Vec<f32>>, V...
[INFO] [stdout]     |                             ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:187:48
[INFO] [stdout]     |
[INFO] [stdout] 187 |     pub fn split(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>, feature_index: usize, threshold: f32) -> (Vec<Vec<f32>>, Vec<Vec<f32>>, V...
[INFO] [stdout]     |                                                ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:225:44
[INFO] [stdout]     |
[INFO] [stdout] 225 |     pub fn calculate_leaf_value(&mut self, Y: &Vec<String> ) -> String{
[INFO] [stdout]     |                                            ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:249:27
[INFO] [stdout]     |
[INFO] [stdout] 249 |     pub fn fit(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>) {
[INFO] [stdout]     |                           ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:249:46
[INFO] [stdout]     |
[INFO] [stdout] 249 |     pub fn fit(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>) {
[INFO] [stdout]     |                                              ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:253:35
[INFO] [stdout]     |
[INFO] [stdout] 253 |     pub fn make_prediction(&self, X: &Vec<f32>, tree: &Option<Box<Node>>) -> String{
[INFO] [stdout]     |                                   ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:275:27
[INFO] [stdout]     |
[INFO] [stdout] 275 |     pub fn predict(&self, X: &Vec<Vec<f32>>) -> Vec<String> {
[INFO] [stdout]     |                           ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]   --> src/dtree/utils.rs:17:22
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn split_dataset(X: &mut Vec<Vec<f32>>, Y: &mut Vec<String>, train_size: f32) -> (Vec<Vec<f32>>,  Vec<String>, Vec<Vec<f32>>,Vec<Stri...
[INFO] [stdout]    |                      ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]   --> src/dtree/utils.rs:17:45
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn split_dataset(X: &mut Vec<Vec<f32>>, Y: &mut Vec<String>, train_size: f32) -> (Vec<Vec<f32>>,  Vec<String>, Vec<Vec<f32>>,Vec<Stri...
[INFO] [stdout]    |                                             ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_test` should have a snake case name
[INFO] [stdout]   --> src/dtree/utils.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut X_test: Vec<Vec<f32>> = vec![];
[INFO] [stdout]    |             ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_train` should have a snake case name
[INFO] [stdout]   --> src/dtree/utils.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut X_train: Vec<Vec<f32>> = vec![];
[INFO] [stdout]    |             ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_train`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y_test` should have a snake case name
[INFO] [stdout]   --> src/dtree/utils.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut Y_test: Vec<String> = vec![];
[INFO] [stdout]    |             ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `y_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y_train` should have a snake case name
[INFO] [stdout]   --> src/dtree/utils.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let mut Y_train: Vec<String> = vec![];
[INFO] [stdout]    |             ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `y_train`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]   --> src/dtree/utils.rs:52:27
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn accuracy_per_label(Y: &Vec<String>, Y_hat: &Vec<String>) -> Vec<f32> {
[INFO] [stdout]    |                           ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y_hat` should have a snake case name
[INFO] [stdout]   --> src/dtree/utils.rs:52:44
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn accuracy_per_label(Y: &Vec<String>, Y_hat: &Vec<String>) -> Vec<f32> {
[INFO] [stdout]    |                                            ^^^^^ help: convert the identifier to snake case (notice the capitalization): `y_hat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:17:22
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn split_dataset(X: &mut Vec<Vec<f32>>, Y: &mut Vec<String>, train_size: f32) -> (Vec<Vec<f32>>,  Vec<String>, Vec<Vec<f32>>,Vec<Stri...
[INFO] [stdout]    |                      ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:17:45
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn split_dataset(X: &mut Vec<Vec<f32>>, Y: &mut Vec<String>, train_size: f32) -> (Vec<Vec<f32>>,  Vec<String>, Vec<Vec<f32>>,Vec<Stri...
[INFO] [stdout]    |                                             ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_test` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut X_test: Vec<Vec<f32>> = vec![];
[INFO] [stdout]    |             ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_train` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut X_train: Vec<Vec<f32>> = vec![];
[INFO] [stdout]    |             ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_train`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y_test` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut Y_test: Vec<String> = vec![];
[INFO] [stdout]    |             ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `y_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y_train` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let mut Y_train: Vec<String> = vec![];
[INFO] [stdout]    |             ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `y_train`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:52:27
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn accuracy_per_label(Y: &Vec<String>, Y_hat: &Vec<String>) -> Vec<f32> {
[INFO] [stdout]    |                           ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y_hat` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:52:44
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn accuracy_per_label(Y: &Vec<String>, Y_hat: &Vec<String>) -> Vec<f32> {
[INFO] [stdout]    |                                            ^^^^^ help: convert the identifier to snake case (notice the capitalization): `y_hat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]  --> src/random_forest.rs:8:32
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn bootstrap_random_forest(X: &Vec<Vec<f32>>, Y: &Vec<String>, n_features: usize, rng: &mut rand::rngs::StdRng) -> (Vec<Vec<f32>>, Ve...
[INFO] [stdout]   |                                ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]  --> src/random_forest.rs:8:51
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn bootstrap_random_forest(X: &Vec<Vec<f32>>, Y: &Vec<String>, n_features: usize, rng: &mut rand::rngs::StdRng) -> (Vec<Vec<f32>>, Ve...
[INFO] [stdout]   |                                                   ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_` should have a snake case name
[INFO] [stdout]   --> src/random_forest.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut X_: Vec<Vec<f32>> = vec![];
[INFO] [stdout]    |             ^^ help: convert the identifier to snake case: `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_i` should have a snake case name
[INFO] [stdout]   --> src/random_forest.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let mut X_i: Vec<f32> = vec![];
[INFO] [stdout]    |                 ^^^ help: convert the identifier to snake case (notice the capitalization): `x_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]   --> src/random_forest.rs:58:30
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub fn count_val(el: String, Y: &Vec<String>) -> usize{
[INFO] [stdout]    |                              ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]   --> src/random_forest.rs:67:24
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn get_most_common(Y: &Vec<String>) -> String {
[INFO] [stdout]    |                        ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/random_forest.rs:115:27
[INFO] [stdout]     |
[INFO] [stdout] 115 |     pub fn fit(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>) {
[INFO] [stdout]     |                           ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]    --> src/random_forest.rs:115:46
[INFO] [stdout]     |
[INFO] [stdout] 115 |     pub fn fit(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>) {
[INFO] [stdout]     |                                              ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_sample` should have a snake case name
[INFO] [stdout]    --> src/random_forest.rs:122:18
[INFO] [stdout]     |
[INFO] [stdout] 122 |             let (X_sample, y_sample) = bootstrap_random_forest(&X, &Y, self.n_feats, &mut rng);
[INFO] [stdout]     |                  ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_sample`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/random_forest.rs:134:31
[INFO] [stdout]     |
[INFO] [stdout] 134 |     pub fn predict(&mut self, X: &Vec<Vec<f32>>) -> Vec<String> {
[INFO] [stdout]     |                               ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/dtree.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl Node{
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 32 |     pub fn new(fi: usize, th: f32, v: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_panic_hook` is never used
[INFO] [stdout]  --> src/dtree/utils.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn set_panic_hook() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `split_dataset` is never used
[INFO] [stdout]   --> src/dtree/utils.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn split_dataset(X: &mut Vec<Vec<f32>>, Y: &mut Vec<String>, train_size: f32) -> (Vec<Vec<f32>>,  Vec<String>, Vec<Vec<f32>>,Vec<Stri...
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `accuracy_per_label` is never used
[INFO] [stdout]   --> src/dtree/utils.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn accuracy_per_label(Y: &Vec<String>, Y_hat: &Vec<String>) -> Vec<f32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_panic_hook` is never used
[INFO] [stdout]  --> src/utils.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn set_panic_hook() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `accuracy_per_label` is never used
[INFO] [stdout]   --> src/utils.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn accuracy_per_label(Y: &Vec<String>, Y_hat: &Vec<String>) -> Vec<f32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_vals` is never used
[INFO] [stdout]   --> src/utils.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub fn count_vals(arr: &Vec<String>, label: String) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unique_vals` is never used
[INFO] [stdout]   --> src/utils.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub fn unique_vals(arr: &Vec<String>) -> Vec<String> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unique_vals_f32` is never used
[INFO] [stdout]   --> src/utils.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 97 | pub fn unique_vals_f32(arr: &Vec<f32>) -> Vec<f32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_column` is never used
[INFO] [stdout]    --> src/utils.rs:113:8
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub fn get_column(matrix: &Vec<Vec<f32>>, col: usize) -> Vec<f32>{
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]   --> src/dtree.rs:62:34
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn build_tree(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>, curr_depth: usize) -> Option<Box<Node>>{
[INFO] [stdout]    |                                  ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]   --> src/dtree.rs:62:53
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn build_tree(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>, curr_depth: usize) -> Option<Box<Node>>{
[INFO] [stdout]    |                                                     ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:107:38
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn get_best_split(&mut self, X: &Vec<Vec<f32>>, Y:  &Vec<String>, num_samples: usize, num_features: usize) -> BestSplitStruct{
[INFO] [stdout]     |                                      ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:107:57
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn get_best_split(&mut self, X: &Vec<Vec<f32>>, Y:  &Vec<String>, num_samples: usize, num_features: usize) -> BestSplitStruct{
[INFO] [stdout]     |                                                         ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:170:34
[INFO] [stdout]     |
[INFO] [stdout] 170 |     pub fn gini_index(&mut self, Y: &Vec<String>) -> f32 {
[INFO] [stdout]     |                                  ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:187:29
[INFO] [stdout]     |
[INFO] [stdout] 187 |     pub fn split(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>, feature_index: usize, threshold: f32) -> (Vec<Vec<f32>>, Vec<Vec<f32>>, V...
[INFO] [stdout]     |                             ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:187:48
[INFO] [stdout]     |
[INFO] [stdout] 187 |     pub fn split(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>, feature_index: usize, threshold: f32) -> (Vec<Vec<f32>>, Vec<Vec<f32>>, V...
[INFO] [stdout]     |                                                ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:225:44
[INFO] [stdout]     |
[INFO] [stdout] 225 |     pub fn calculate_leaf_value(&mut self, Y: &Vec<String> ) -> String{
[INFO] [stdout]     |                                            ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:249:27
[INFO] [stdout]     |
[INFO] [stdout] 249 |     pub fn fit(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>) {
[INFO] [stdout]     |                           ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:249:46
[INFO] [stdout]     |
[INFO] [stdout] 249 |     pub fn fit(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>) {
[INFO] [stdout]     |                                              ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:253:35
[INFO] [stdout]     |
[INFO] [stdout] 253 |     pub fn make_prediction(&self, X: &Vec<f32>, tree: &Option<Box<Node>>) -> String{
[INFO] [stdout]     |                                   ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/dtree.rs:275:27
[INFO] [stdout]     |
[INFO] [stdout] 275 |     pub fn predict(&self, X: &Vec<Vec<f32>>) -> Vec<String> {
[INFO] [stdout]     |                           ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]   --> src/dtree/utils.rs:17:22
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn split_dataset(X: &mut Vec<Vec<f32>>, Y: &mut Vec<String>, train_size: f32) -> (Vec<Vec<f32>>,  Vec<String>, Vec<Vec<f32>>,Vec<Stri...
[INFO] [stdout]    |                      ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]   --> src/dtree/utils.rs:17:45
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn split_dataset(X: &mut Vec<Vec<f32>>, Y: &mut Vec<String>, train_size: f32) -> (Vec<Vec<f32>>,  Vec<String>, Vec<Vec<f32>>,Vec<Stri...
[INFO] [stdout]    |                                             ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_test` should have a snake case name
[INFO] [stdout]   --> src/dtree/utils.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut X_test: Vec<Vec<f32>> = vec![];
[INFO] [stdout]    |             ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_train` should have a snake case name
[INFO] [stdout]   --> src/dtree/utils.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut X_train: Vec<Vec<f32>> = vec![];
[INFO] [stdout]    |             ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_train`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y_test` should have a snake case name
[INFO] [stdout]   --> src/dtree/utils.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut Y_test: Vec<String> = vec![];
[INFO] [stdout]    |             ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `y_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y_train` should have a snake case name
[INFO] [stdout]   --> src/dtree/utils.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let mut Y_train: Vec<String> = vec![];
[INFO] [stdout]    |             ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `y_train`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]   --> src/dtree/utils.rs:52:27
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn accuracy_per_label(Y: &Vec<String>, Y_hat: &Vec<String>) -> Vec<f32> {
[INFO] [stdout]    |                           ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y_hat` should have a snake case name
[INFO] [stdout]   --> src/dtree/utils.rs:52:44
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn accuracy_per_label(Y: &Vec<String>, Y_hat: &Vec<String>) -> Vec<f32> {
[INFO] [stdout]    |                                            ^^^^^ help: convert the identifier to snake case (notice the capitalization): `y_hat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:17:22
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn split_dataset(X: &mut Vec<Vec<f32>>, Y: &mut Vec<String>, train_size: f32) -> (Vec<Vec<f32>>,  Vec<String>, Vec<Vec<f32>>,Vec<Stri...
[INFO] [stdout]    |                      ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:17:45
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn split_dataset(X: &mut Vec<Vec<f32>>, Y: &mut Vec<String>, train_size: f32) -> (Vec<Vec<f32>>,  Vec<String>, Vec<Vec<f32>>,Vec<Stri...
[INFO] [stdout]    |                                             ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_test` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut X_test: Vec<Vec<f32>> = vec![];
[INFO] [stdout]    |             ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_train` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut X_train: Vec<Vec<f32>> = vec![];
[INFO] [stdout]    |             ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_train`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y_test` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut Y_test: Vec<String> = vec![];
[INFO] [stdout]    |             ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `y_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y_train` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let mut Y_train: Vec<String> = vec![];
[INFO] [stdout]    |             ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `y_train`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:52:27
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn accuracy_per_label(Y: &Vec<String>, Y_hat: &Vec<String>) -> Vec<f32> {
[INFO] [stdout]    |                           ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y_hat` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:52:44
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn accuracy_per_label(Y: &Vec<String>, Y_hat: &Vec<String>) -> Vec<f32> {
[INFO] [stdout]    |                                            ^^^^^ help: convert the identifier to snake case (notice the capitalization): `y_hat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]  --> src/random_forest.rs:8:32
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn bootstrap_random_forest(X: &Vec<Vec<f32>>, Y: &Vec<String>, n_features: usize, rng: &mut rand::rngs::StdRng) -> (Vec<Vec<f32>>, Ve...
[INFO] [stdout]   |                                ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]  --> src/random_forest.rs:8:51
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn bootstrap_random_forest(X: &Vec<Vec<f32>>, Y: &Vec<String>, n_features: usize, rng: &mut rand::rngs::StdRng) -> (Vec<Vec<f32>>, Ve...
[INFO] [stdout]   |                                                   ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_` should have a snake case name
[INFO] [stdout]   --> src/random_forest.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut X_: Vec<Vec<f32>> = vec![];
[INFO] [stdout]    |             ^^ help: convert the identifier to snake case: `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_i` should have a snake case name
[INFO] [stdout]   --> src/random_forest.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let mut X_i: Vec<f32> = vec![];
[INFO] [stdout]    |                 ^^^ help: convert the identifier to snake case (notice the capitalization): `x_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]   --> src/random_forest.rs:58:30
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub fn count_val(el: String, Y: &Vec<String>) -> usize{
[INFO] [stdout]    |                              ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]   --> src/random_forest.rs:67:24
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn get_most_common(Y: &Vec<String>) -> String {
[INFO] [stdout]    |                        ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/random_forest.rs:115:27
[INFO] [stdout]     |
[INFO] [stdout] 115 |     pub fn fit(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>) {
[INFO] [stdout]     |                           ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]    --> src/random_forest.rs:115:46
[INFO] [stdout]     |
[INFO] [stdout] 115 |     pub fn fit(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>) {
[INFO] [stdout]     |                                              ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_sample` should have a snake case name
[INFO] [stdout]    --> src/random_forest.rs:122:18
[INFO] [stdout]     |
[INFO] [stdout] 122 |             let (X_sample, y_sample) = bootstrap_random_forest(&X, &Y, self.n_feats, &mut rng);
[INFO] [stdout]     |                  ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_sample`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/random_forest.rs:134:31
[INFO] [stdout]     |
[INFO] [stdout] 134 |     pub fn predict(&mut self, X: &Vec<Vec<f32>>) -> Vec<String> {
[INFO] [stdout]     |                               ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.27s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.83
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "224b0ae4b594365a2c3a209d9f059c7ee174d00bf11a03b2915b01f48469b4db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "224b0ae4b594365a2c3a209d9f059c7ee174d00bf11a03b2915b01f48469b4db", kill_on_drop: false }`
[INFO] [stdout] 224b0ae4b594365a2c3a209d9f059c7ee174d00bf11a03b2915b01f48469b4db
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 16d9c70f9cd9ac5b8b4b004e2f5bc89238318758fb6176ae1bd5fcf5736eb386
[INFO] running `Command { std: "docker" "start" "-a" "16d9c70f9cd9ac5b8b4b004e2f5bc89238318758fb6176ae1bd5fcf5736eb386", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `rand::prelude::*`
[INFO] [stderr]  --> src/lib.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use rand::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/lib.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Read`
[INFO] [stderr]  --> src/lib.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::Read;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/dtree.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::prelude::*`
[INFO] [stderr]  --> src/dtree.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rand::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `csv::Error`
[INFO] [stderr]  --> src/dtree.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use csv::Error;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/dtree/utils.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stderr]  --> src/dtree/utils.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `csv::Error`
[INFO] [stderr]  --> src/dtree/utils.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use csv::Error;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/dtree.rs:183:9
[INFO] [stderr]     |
[INFO] [stderr] 183 |         (1.0 - gini)
[INFO] [stderr]     |         ^          ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 183 -         (1.0 - gini)
[INFO] [stderr] 183 +         1.0 - gini
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/utils.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stderr]  --> src/utils.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `csv::Error`
[INFO] [stderr]  --> src/utils.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use csv::Error;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `wasm_bindgen::prelude::*`
[INFO] [stderr]  --> src/random_forest.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use wasm_bindgen::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `while` condition
[INFO] [stderr]   --> src/random_forest.rs:19:15
[INFO] [stderr]    |
[INFO] [stderr] 19 |         while (ft_ixs.contains(&rnd_ft_idx)) {
[INFO] [stderr]    |               ^                            ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 19 -         while (ft_ixs.contains(&rnd_ft_idx)) {
[INFO] [stderr] 19 +         while ft_ixs.contains(&rnd_ft_idx) {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `wasm_bindgen::JsValue::into_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stderr]   --> src/lib.rs:22:34
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let task: String = task_type.into_serde().unwrap();
[INFO] [stderr]    |                                  ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `wasm_bindgen::JsValue::into_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stderr]   --> src/lib.rs:25:56
[INFO] [stderr]    |
[INFO] [stderr] 25 |         let mut rf: random_forest::RandomForest = json.into_serde().unwrap();
[INFO] [stderr]    |                                                        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `wasm_bindgen::JsValue::into_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stderr]   --> src/lib.rs:26:51
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let x_test: Vec<Vec<f32>> = train_dataset.into_serde().unwrap();
[INFO] [stderr]    |                                                   ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `wasm_bindgen::JsValue::from_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stderr]   --> src/lib.rs:29:18
[INFO] [stderr]    |
[INFO] [stderr] 29 |         JsValue::from_serde(&y_pred).unwrap()
[INFO] [stderr]    |                  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `wasm_bindgen::JsValue::into_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stderr]   --> src/lib.rs:33:33
[INFO] [stderr]    |
[INFO] [stderr] 33 |         let params: Data = json.into_serde().unwrap();
[INFO] [stderr]    |                                 ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `wasm_bindgen::JsValue::into_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stderr]   --> src/lib.rs:35:50
[INFO] [stderr]    |
[INFO] [stderr] 35 |         let mut x: Vec<Vec<f32>> = train_dataset.into_serde().unwrap();
[INFO] [stderr]    |                                                  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `wasm_bindgen::JsValue::into_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stderr]   --> src/lib.rs:36:47
[INFO] [stderr]    |
[INFO] [stderr] 36 |         let mut y: Vec<String> = train_labels.into_serde().unwrap();
[INFO] [stderr]    |                                               ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `wasm_bindgen::JsValue::from_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stderr]   --> src/lib.rs:52:18
[INFO] [stderr]    |
[INFO] [stderr] 52 |         JsValue::from_serde(&rf).unwrap()
[INFO] [stderr]    |                  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude`
[INFO] [stderr]  --> src/dtree.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n_test`
[INFO] [stderr]   --> src/dtree/utils.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let n_test = X.len() - n_train;
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_test`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `depth`
[INFO] [stderr]   --> src/dtree.rs:71:17
[INFO] [stderr]    |
[INFO] [stderr] 71 |             let depth = self.max_depth as f32;
[INFO] [stderr]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_depth`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num_samples`
[INFO] [stderr]    --> src/dtree.rs:107:75
[INFO] [stderr]     |
[INFO] [stderr] 107 |     pub fn get_best_split(&mut self, X: &Vec<Vec<f32>>, Y:  &Vec<String>, num_samples: usize, num_features: usize) -> BestSplitStruct{
[INFO] [stderr]     |                                                                           ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_samples`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n_test`
[INFO] [stderr]   --> src/utils.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let n_test = X.len() - n_train;
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_test`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/random_forest.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |     for i in 0..n_features {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/random_forest.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |     for i in 0..n_samples {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `percent`
[INFO] [stderr]   --> src/lib.rs:50:13
[INFO] [stderr]    |
[INFO] [stderr] 50 |         let percent = random_forest::accuracy(&y_pred, &y_train);
[INFO] [stderr]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_percent`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/dtree.rs:32:12
[INFO] [stderr]    |
[INFO] [stderr] 31 | impl Node{
[INFO] [stderr]    | --------- associated function in this implementation
[INFO] [stderr] 32 |     pub fn new(fi: usize, th: f32, v: String) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `set_panic_hook` is never used
[INFO] [stderr]  --> src/dtree/utils.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn set_panic_hook() {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `split_dataset` is never used
[INFO] [stderr]   --> src/dtree/utils.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub fn split_dataset(X: &mut Vec<Vec<f32>>, Y: &mut Vec<String>, train_size: f32) -> (Vec<Vec<f32>>,  Vec<String>, Vec<Vec<f32>>,Vec<Stri...
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `accuracy_per_label` is never used
[INFO] [stderr]   --> src/dtree/utils.rs:52:8
[INFO] [stderr]    |
[INFO] [stderr] 52 | pub fn accuracy_per_label(Y: &Vec<String>, Y_hat: &Vec<String>) -> Vec<f32> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `set_panic_hook` is never used
[INFO] [stderr]  --> src/utils.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn set_panic_hook() {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `accuracy_per_label` is never used
[INFO] [stderr]   --> src/utils.rs:52:8
[INFO] [stderr]    |
[INFO] [stderr] 52 | pub fn accuracy_per_label(Y: &Vec<String>, Y_hat: &Vec<String>) -> Vec<f32> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `count_vals` is never used
[INFO] [stderr]   --> src/utils.rs:76:8
[INFO] [stderr]    |
[INFO] [stderr] 76 | pub fn count_vals(arr: &Vec<String>, label: String) -> usize {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `unique_vals` is never used
[INFO] [stderr]   --> src/utils.rs:87:8
[INFO] [stderr]    |
[INFO] [stderr] 87 | pub fn unique_vals(arr: &Vec<String>) -> Vec<String> {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `unique_vals_f32` is never used
[INFO] [stderr]   --> src/utils.rs:97:8
[INFO] [stderr]    |
[INFO] [stderr] 97 | pub fn unique_vals_f32(arr: &Vec<f32>) -> Vec<f32> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_column` is never used
[INFO] [stderr]    --> src/utils.rs:113:8
[INFO] [stderr]     |
[INFO] [stderr] 113 | pub fn get_column(matrix: &Vec<Vec<f32>>, col: usize) -> Vec<f32>{
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X` should have a snake case name
[INFO] [stderr]   --> src/dtree.rs:62:34
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn build_tree(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>, curr_depth: usize) -> Option<Box<Node>>{
[INFO] [stderr]    |                                  ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Y` should have a snake case name
[INFO] [stderr]   --> src/dtree.rs:62:53
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn build_tree(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>, curr_depth: usize) -> Option<Box<Node>>{
[INFO] [stderr]    |                                                     ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X` should have a snake case name
[INFO] [stderr]    --> src/dtree.rs:107:38
[INFO] [stderr]     |
[INFO] [stderr] 107 |     pub fn get_best_split(&mut self, X: &Vec<Vec<f32>>, Y:  &Vec<String>, num_samples: usize, num_features: usize) -> BestSplitStruct{
[INFO] [stderr]     |                                      ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Y` should have a snake case name
[INFO] [stderr]    --> src/dtree.rs:107:57
[INFO] [stderr]     |
[INFO] [stderr] 107 |     pub fn get_best_split(&mut self, X: &Vec<Vec<f32>>, Y:  &Vec<String>, num_samples: usize, num_features: usize) -> BestSplitStruct{
[INFO] [stderr]     |                                                         ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Y` should have a snake case name
[INFO] [stderr]    --> src/dtree.rs:170:34
[INFO] [stderr]     |
[INFO] [stderr] 170 |     pub fn gini_index(&mut self, Y: &Vec<String>) -> f32 {
[INFO] [stderr]     |                                  ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X` should have a snake case name
[INFO] [stderr]    --> src/dtree.rs:187:29
[INFO] [stderr]     |
[INFO] [stderr] 187 |     pub fn split(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>, feature_index: usize, threshold: f32) -> (Vec<Vec<f32>>, Vec<Vec<f32>>, V...
[INFO] [stderr]     |                             ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Y` should have a snake case name
[INFO] [stderr]    --> src/dtree.rs:187:48
[INFO] [stderr]     |
[INFO] [stderr] 187 |     pub fn split(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>, feature_index: usize, threshold: f32) -> (Vec<Vec<f32>>, Vec<Vec<f32>>, V...
[INFO] [stderr]     |                                                ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Y` should have a snake case name
[INFO] [stderr]    --> src/dtree.rs:225:44
[INFO] [stderr]     |
[INFO] [stderr] 225 |     pub fn calculate_leaf_value(&mut self, Y: &Vec<String> ) -> String{
[INFO] [stderr]     |                                            ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X` should have a snake case name
[INFO] [stderr]    --> src/dtree.rs:249:27
[INFO] [stderr]     |
[INFO] [stderr] 249 |     pub fn fit(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>) {
[INFO] [stderr]     |                           ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Y` should have a snake case name
[INFO] [stderr]    --> src/dtree.rs:249:46
[INFO] [stderr]     |
[INFO] [stderr] 249 |     pub fn fit(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>) {
[INFO] [stderr]     |                                              ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X` should have a snake case name
[INFO] [stderr]    --> src/dtree.rs:253:35
[INFO] [stderr]     |
[INFO] [stderr] 253 |     pub fn make_prediction(&self, X: &Vec<f32>, tree: &Option<Box<Node>>) -> String{
[INFO] [stderr]     |                                   ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X` should have a snake case name
[INFO] [stderr]    --> src/dtree.rs:275:27
[INFO] [stderr]     |
[INFO] [stderr] 275 |     pub fn predict(&self, X: &Vec<Vec<f32>>) -> Vec<String> {
[INFO] [stderr]     |                           ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X` should have a snake case name
[INFO] [stderr]   --> src/dtree/utils.rs:17:22
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub fn split_dataset(X: &mut Vec<Vec<f32>>, Y: &mut Vec<String>, train_size: f32) -> (Vec<Vec<f32>>,  Vec<String>, Vec<Vec<f32>>,Vec<Stri...
[INFO] [stderr]    |                      ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Y` should have a snake case name
[INFO] [stderr]   --> src/dtree/utils.rs:17:45
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub fn split_dataset(X: &mut Vec<Vec<f32>>, Y: &mut Vec<String>, train_size: f32) -> (Vec<Vec<f32>>,  Vec<String>, Vec<Vec<f32>>,Vec<Stri...
[INFO] [stderr]    |                                             ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X_test` should have a snake case name
[INFO] [stderr]   --> src/dtree/utils.rs:21:13
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let mut X_test: Vec<Vec<f32>> = vec![];
[INFO] [stderr]    |             ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_test`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X_train` should have a snake case name
[INFO] [stderr]   --> src/dtree/utils.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let mut X_train: Vec<Vec<f32>> = vec![];
[INFO] [stderr]    |             ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_train`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Y_test` should have a snake case name
[INFO] [stderr]   --> src/dtree/utils.rs:23:13
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let mut Y_test: Vec<String> = vec![];
[INFO] [stderr]    |             ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `y_test`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Y_train` should have a snake case name
[INFO] [stderr]   --> src/dtree/utils.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let mut Y_train: Vec<String> = vec![];
[INFO] [stderr]    |             ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `y_train`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Y` should have a snake case name
[INFO] [stderr]   --> src/dtree/utils.rs:52:27
[INFO] [stderr]    |
[INFO] [stderr] 52 | pub fn accuracy_per_label(Y: &Vec<String>, Y_hat: &Vec<String>) -> Vec<f32> {
[INFO] [stderr]    |                           ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Y_hat` should have a snake case name
[INFO] [stderr]   --> src/dtree/utils.rs:52:44
[INFO] [stderr]    |
[INFO] [stderr] 52 | pub fn accuracy_per_label(Y: &Vec<String>, Y_hat: &Vec<String>) -> Vec<f32> {
[INFO] [stderr]    |                                            ^^^^^ help: convert the identifier to snake case (notice the capitalization): `y_hat`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X` should have a snake case name
[INFO] [stderr]   --> src/utils.rs:17:22
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub fn split_dataset(X: &mut Vec<Vec<f32>>, Y: &mut Vec<String>, train_size: f32) -> (Vec<Vec<f32>>,  Vec<String>, Vec<Vec<f32>>,Vec<Stri...
[INFO] [stderr]    |                      ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Y` should have a snake case name
[INFO] [stderr]   --> src/utils.rs:17:45
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub fn split_dataset(X: &mut Vec<Vec<f32>>, Y: &mut Vec<String>, train_size: f32) -> (Vec<Vec<f32>>,  Vec<String>, Vec<Vec<f32>>,Vec<Stri...
[INFO] [stderr]    |                                             ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X_test` should have a snake case name
[INFO] [stderr]   --> src/utils.rs:21:13
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let mut X_test: Vec<Vec<f32>> = vec![];
[INFO] [stderr]    |             ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_test`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X_train` should have a snake case name
[INFO] [stderr]   --> src/utils.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let mut X_train: Vec<Vec<f32>> = vec![];
[INFO] [stderr]    |             ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_train`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Y_test` should have a snake case name
[INFO] [stderr]   --> src/utils.rs:23:13
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let mut Y_test: Vec<String> = vec![];
[INFO] [stderr]    |             ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `y_test`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Y_train` should have a snake case name
[INFO] [stderr]   --> src/utils.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let mut Y_train: Vec<String> = vec![];
[INFO] [stderr]    |             ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `y_train`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Y` should have a snake case name
[INFO] [stderr]   --> src/utils.rs:52:27
[INFO] [stderr]    |
[INFO] [stderr] 52 | pub fn accuracy_per_label(Y: &Vec<String>, Y_hat: &Vec<String>) -> Vec<f32> {
[INFO] [stderr]    |                           ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Y_hat` should have a snake case name
[INFO] [stderr]   --> src/utils.rs:52:44
[INFO] [stderr]    |
[INFO] [stderr] 52 | pub fn accuracy_per_label(Y: &Vec<String>, Y_hat: &Vec<String>) -> Vec<f32> {
[INFO] [stderr]    |                                            ^^^^^ help: convert the identifier to snake case (notice the capitalization): `y_hat`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X` should have a snake case name
[INFO] [stderr]  --> src/random_forest.rs:8:32
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn bootstrap_random_forest(X: &Vec<Vec<f32>>, Y: &Vec<String>, n_features: usize, rng: &mut rand::rngs::StdRng) -> (Vec<Vec<f32>>, Ve...
[INFO] [stderr]   |                                ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Y` should have a snake case name
[INFO] [stderr]  --> src/random_forest.rs:8:51
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn bootstrap_random_forest(X: &Vec<Vec<f32>>, Y: &Vec<String>, n_features: usize, rng: &mut rand::rngs::StdRng) -> (Vec<Vec<f32>>, Ve...
[INFO] [stderr]   |                                                   ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X_` should have a snake case name
[INFO] [stderr]   --> src/random_forest.rs:10:13
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let mut X_: Vec<Vec<f32>> = vec![];
[INFO] [stderr]    |             ^^ help: convert the identifier to snake case: `x`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X_i` should have a snake case name
[INFO] [stderr]   --> src/random_forest.rs:31:17
[INFO] [stderr]    |
[INFO] [stderr] 31 |         let mut X_i: Vec<f32> = vec![];
[INFO] [stderr]    |                 ^^^ help: convert the identifier to snake case (notice the capitalization): `x_i`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Y` should have a snake case name
[INFO] [stderr]   --> src/random_forest.rs:58:30
[INFO] [stderr]    |
[INFO] [stderr] 58 | pub fn count_val(el: String, Y: &Vec<String>) -> usize{
[INFO] [stderr]    |                              ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Y` should have a snake case name
[INFO] [stderr]   --> src/random_forest.rs:67:24
[INFO] [stderr]    |
[INFO] [stderr] 67 | pub fn get_most_common(Y: &Vec<String>) -> String {
[INFO] [stderr]    |                        ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X` should have a snake case name
[INFO] [stderr]    --> src/random_forest.rs:115:27
[INFO] [stderr]     |
[INFO] [stderr] 115 |     pub fn fit(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>) {
[INFO] [stderr]     |                           ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Y` should have a snake case name
[INFO] [stderr]    --> src/random_forest.rs:115:46
[INFO] [stderr]     |
[INFO] [stderr] 115 |     pub fn fit(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>) {
[INFO] [stderr]     |                                              ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X_sample` should have a snake case name
[INFO] [stderr]    --> src/random_forest.rs:122:18
[INFO] [stderr]     |
[INFO] [stderr] 122 |             let (X_sample, y_sample) = bootstrap_random_forest(&X, &Y, self.n_feats, &mut rng);
[INFO] [stderr]     |                  ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_sample`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X` should have a snake case name
[INFO] [stderr]    --> src/random_forest.rs:134:31
[INFO] [stderr]     |
[INFO] [stderr] 134 |     pub fn predict(&mut self, X: &Vec<Vec<f32>>) -> Vec<String> {
[INFO] [stderr]     |                               ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stderr] 
[INFO] [stderr] warning: `random-forest` (lib) generated 79 warnings (run `cargo fix --lib -p random-forest` to apply 15 suggestions)
[INFO] [stderr] warning: unused import: `csv::Error`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use csv::Error;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::prelude`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rand::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]   --> src/main.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |         &y.push(b.to_string());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 40 |         let _ = &y.push(b.to_string());
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]   --> src/main.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 |         &x.push(aux);
[INFO] [stderr]    |         ^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]    |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 41 |         let _ = &x.push(aux);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X_train` should have a snake case name
[INFO] [stderr]   --> src/main.rs:50:10
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let (X_train, Y_train, X_test, Y_test) = utils::split_dataset(&mut x, &mut y, 0.8);
[INFO] [stderr]    |          ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_train`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Y_train` should have a snake case name
[INFO] [stderr]   --> src/main.rs:50:19
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let (X_train, Y_train, X_test, Y_test) = utils::split_dataset(&mut x, &mut y, 0.8);
[INFO] [stderr]    |                   ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `y_train`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X_test` should have a snake case name
[INFO] [stderr]   --> src/main.rs:50:28
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let (X_train, Y_train, X_test, Y_test) = utils::split_dataset(&mut x, &mut y, 0.8);
[INFO] [stderr]    |                            ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_test`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Y_test` should have a snake case name
[INFO] [stderr]   --> src/main.rs:50:36
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let (X_train, Y_train, X_test, Y_test) = utils::split_dataset(&mut x, &mut y, 0.8);
[INFO] [stderr]    |                                    ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `y_test`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X` should have a snake case name
[INFO] [stderr]   --> src/dtree.rs:62:34
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn build_tree(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>, curr_depth: usize) -> Option<Box<Node>>{
[INFO] [stderr]    |                                  ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stderr] 
[INFO] [stderr] warning: `random-forest` (bin "random-forest") generated 75 warnings (66 duplicates) (run `cargo fix --bin "random-forest"` to apply 1 suggestion)
[INFO] [stderr] warning: `random-forest` (lib test) generated 79 warnings (79 duplicates)
[INFO] [stderr] warning: `random-forest` (bin "random-forest" test) generated 75 warnings (75 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.83
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/random_forest-a1f2522c580c5f90)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/random_forest-1e399d32d12573bf)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/web.rs (/opt/rustwide/target/debug/deps/web-3a59c3a26d211a28)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests random_forest
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/dtree.rs:183:9
[INFO] [stderr]     |
[INFO] [stderr] 183 |         (1.0 - gini)
[INFO] [stderr]     |         ^          ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 183 -         (1.0 - gini)
[INFO] [stderr] 183 +         1.0 - gini
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `while` condition
[INFO] [stderr]   --> src/random_forest.rs:19:15
[INFO] [stderr]    |
[INFO] [stderr] 19 |         while (ft_ixs.contains(&rnd_ft_idx)) {
[INFO] [stderr]    |               ^                            ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 19 -         while (ft_ixs.contains(&rnd_ft_idx)) {
[INFO] [stderr] 19 +         while ft_ixs.contains(&rnd_ft_idx) {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "16d9c70f9cd9ac5b8b4b004e2f5bc89238318758fb6176ae1bd5fcf5736eb386", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16d9c70f9cd9ac5b8b4b004e2f5bc89238318758fb6176ae1bd5fcf5736eb386", kill_on_drop: false }`
[INFO] [stdout] 16d9c70f9cd9ac5b8b4b004e2f5bc89238318758fb6176ae1bd5fcf5736eb386