[INFO] cloning repository https://github.com/ulloacastillo/wasm-decision-tree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ulloacastillo/wasm-decision-tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fulloacastillo%2Fwasm-decision-tree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fulloacastillo%2Fwasm-decision-tree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c218f526ad4ebfd2b28dde09554450598eddcb7a
[INFO] testing ulloacastillo/wasm-decision-tree 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%2Fwasm-decision-tree" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ulloacastillo/wasm-decision-tree 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/wasm-decision-tree
[INFO] finished tweaking git repo https://github.com/ulloacastillo/wasm-decision-tree
[INFO] tweaked toml for git repo https://github.com/ulloacastillo/wasm-decision-tree written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ulloacastillo/wasm-decision-tree 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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f9976e86a5d7df8e685263198afb9ca94df9a694a0595ead043bebb29e1d47a9
[INFO] running `Command { std: "docker" "start" "-a" "f9976e86a5d7df8e685263198afb9ca94df9a694a0595ead043bebb29e1d47a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9976e86a5d7df8e685263198afb9ca94df9a694a0595ead043bebb29e1d47a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9976e86a5d7df8e685263198afb9ca94df9a694a0595ead043bebb29e1d47a9", kill_on_drop: false }`
[INFO] [stdout] f9976e86a5d7df8e685263198afb9ca94df9a694a0595ead043bebb29e1d47a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 792de6af24db78f2ccd18958b83aa4234eb3577bff323a934632e249840ce91b
[INFO] running `Command { std: "docker" "start" "-a" "792de6af24db78f2ccd18958b83aa4234eb3577bff323a934632e249840ce91b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.81
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling bumpalo v3.10.0
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling ryu v1.0.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling wasm-bindgen v0.2.81
[INFO] [stderr]    Compiling itoa v1.0.2
[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 quote v1.0.18
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.81
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.81
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.81
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling wasm-dtree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `csv::Error`
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use csv::Error;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `console_error_panic_hook`
[INFO] [stdout]  --> src/utils.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 |     #[cfg(feature = "console_error_panic_hook")]
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `console_error_panic_hook` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_samples`
[INFO] [stdout]    --> src/lib.rs:113:75
[INFO] [stdout]     |
[INFO] [stdout] 113 |     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]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n_test`
[INFO] [stdout]    --> src/lib.rs:282:9
[INFO] [stdout]     |
[INFO] [stdout] 282 |     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: `X_test`
[INFO] [stdout]    --> src/lib.rs:394:9
[INFO] [stdout]     |
[INFO] [stdout] 394 |     let X_test: Vec<Vec<f32>> = vec![vec![5.0,3.4,1.5,0.2], vec![4.4,2.9,1.4,0.2], vec![4.9,3.1,1.5,0.1], vec![5.6,2.9,3.6,1.3], vec![6.2...
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_X_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BestSplitStruct` is never constructed
[INFO] [stdout]   --> src/lib.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct BestSplitStruct {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/lib.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | impl Node{
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 49 |     pub fn new(fi: usize, th: f32, v: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/lib.rs:71:12
[INFO] [stdout]     |
[INFO] [stdout] 70  | impl  DecisionTreeClassifier  {
[INFO] [stdout]     | ---------------------------- associated items in this implementation
[INFO] [stdout] 71  |     pub fn new(mss: usize, md: usize) -> Self{
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 79  |     pub fn build_tree(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>, curr_depth: usize) -> Option<Box<Node>>{
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 113 |     pub fn get_best_split(&mut self, X: &Vec<Vec<f32>>, Y:  &Vec<String>, num_samples: usize, num_features: usize) -> BestSplitStruct{
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 158 |     pub fn gini_index(&mut self, Y: &Vec<String>) -> f32 {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 174 |     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]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 199 |     pub fn information_gain(&mut self, parent: &Vec<String>, l_child: &Vec<String>, r_child: &Vec<String>) -> f32{
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 209 |     pub fn calculate_leaf_value(&mut self, Y: &Vec<String> ) -> String{
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 233 |     pub fn fit(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>) {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 237 |     pub fn make_prediction(&self, X: &Vec<f32>, tree: &Option<Box<Node>>) -> String{
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 259 |     pub fn predict(&self, X: &Vec<Vec<f32>>) -> Vec<String> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `split_dataset` is never used
[INFO] [stdout]    --> src/lib.rs:280:4
[INFO] [stdout]     |
[INFO] [stdout] 280 | fn split_dataset(X: &mut Vec<Vec<f32>>, Y: &mut Vec<String>, train_size: f32) -> (Vec<Vec<f32>>,  Vec<String>, Vec<Vec<f32>>,Vec<String>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `accuracy_per_label` is never used
[INFO] [stdout]    --> src/lib.rs:315:4
[INFO] [stdout]     |
[INFO] [stdout] 315 | 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:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn set_panic_hook() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unique_vals` is never used
[INFO] [stdout]   --> src/utils.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | 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:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn unique_vals_f32(arr: &Vec<f32>) -> Vec<f32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_vals` is never used
[INFO] [stdout]   --> src/utils.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn count_vals(arr: &Vec<String>, label: String) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_column` is never used
[INFO] [stdout]   --> src/utils.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | 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/lib.rs:79:34
[INFO] [stdout]    |
[INFO] [stdout] 79 |     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/lib.rs:79:53
[INFO] [stdout]    |
[INFO] [stdout] 79 |     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/lib.rs:113:38
[INFO] [stdout]     |
[INFO] [stdout] 113 |     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/lib.rs:113:57
[INFO] [stdout]     |
[INFO] [stdout] 113 |     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/lib.rs:158:34
[INFO] [stdout]     |
[INFO] [stdout] 158 |     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/lib.rs:174:29
[INFO] [stdout]     |
[INFO] [stdout] 174 |     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/lib.rs:174:48
[INFO] [stdout]     |
[INFO] [stdout] 174 |     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/lib.rs:209:44
[INFO] [stdout]     |
[INFO] [stdout] 209 |     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/lib.rs:233:27
[INFO] [stdout]     |
[INFO] [stdout] 233 |     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/lib.rs:233:46
[INFO] [stdout]     |
[INFO] [stdout] 233 |     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/lib.rs:237:35
[INFO] [stdout]     |
[INFO] [stdout] 237 |     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/lib.rs:259:27
[INFO] [stdout]     |
[INFO] [stdout] 259 |     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/lib.rs:280:18
[INFO] [stdout]     |
[INFO] [stdout] 280 | fn split_dataset(X: &mut Vec<Vec<f32>>, Y: &mut Vec<String>, train_size: f32) -> (Vec<Vec<f32>>,  Vec<String>, 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 `Y` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:280:41
[INFO] [stdout]     |
[INFO] [stdout] 280 | fn split_dataset(X: &mut Vec<Vec<f32>>, Y: &mut Vec<String>, train_size: f32) -> (Vec<Vec<f32>>,  Vec<String>, Vec<Vec<f32>>,Vec<String>) {
[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/lib.rs:284:13
[INFO] [stdout]     |
[INFO] [stdout] 284 |     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/lib.rs:285:13
[INFO] [stdout]     |
[INFO] [stdout] 285 |     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/lib.rs:286:13
[INFO] [stdout]     |
[INFO] [stdout] 286 |     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/lib.rs:287:13
[INFO] [stdout]     |
[INFO] [stdout] 287 |     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/lib.rs:315:23
[INFO] [stdout]     |
[INFO] [stdout] 315 | 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/lib.rs:315:40
[INFO] [stdout]     |
[INFO] [stdout] 315 | 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_test` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:394:9
[INFO] [stdout]     |
[INFO] [stdout] 394 |     let X_test: Vec<Vec<f32>> = vec![vec![5.0,3.4,1.5,0.2], vec![4.4,2.9,1.4,0.2], vec![4.9,3.1,1.5,0.1], vec![5.6,2.9,3.6,1.3], vec![6.2...
[INFO] [stdout]     |         ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.36s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.81
[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" "792de6af24db78f2ccd18958b83aa4234eb3577bff323a934632e249840ce91b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "792de6af24db78f2ccd18958b83aa4234eb3577bff323a934632e249840ce91b", kill_on_drop: false }`
[INFO] [stdout] 792de6af24db78f2ccd18958b83aa4234eb3577bff323a934632e249840ce91b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] bbb205b8529a6330a77fd0e7d98ecabec056bb0415805bf297eed53bb82d2783
[INFO] running `Command { std: "docker" "start" "-a" "bbb205b8529a6330a77fd0e7d98ecabec056bb0415805bf297eed53bb82d2783", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-dtree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `csv::Error`
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use csv::Error;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `console_error_panic_hook`
[INFO] [stdout]  --> src/utils.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 |     #[cfg(feature = "console_error_panic_hook")]
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `console_error_panic_hook` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_samples`
[INFO] [stdout]    --> src/lib.rs:113:75
[INFO] [stdout]     |
[INFO] [stdout] 113 |     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]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n_test`
[INFO] [stdout]    --> src/lib.rs:282:9
[INFO] [stdout]     |
[INFO] [stdout] 282 |     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: `X_test`
[INFO] [stdout]    --> src/lib.rs:394:9
[INFO] [stdout]     |
[INFO] [stdout] 394 |     let X_test: Vec<Vec<f32>> = vec![vec![5.0,3.4,1.5,0.2], vec![4.4,2.9,1.4,0.2], vec![4.9,3.1,1.5,0.1], vec![5.6,2.9,3.6,1.3], vec![6.2...
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_X_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BestSplitStruct` is never constructed
[INFO] [stdout]   --> src/lib.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct BestSplitStruct {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/lib.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | impl Node{
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 49 |     pub fn new(fi: usize, th: f32, v: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/lib.rs:71:12
[INFO] [stdout]     |
[INFO] [stdout] 70  | impl  DecisionTreeClassifier  {
[INFO] [stdout]     | ---------------------------- associated items in this implementation
[INFO] [stdout] 71  |     pub fn new(mss: usize, md: usize) -> Self{
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 79  |     pub fn build_tree(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>, curr_depth: usize) -> Option<Box<Node>>{
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 113 |     pub fn get_best_split(&mut self, X: &Vec<Vec<f32>>, Y:  &Vec<String>, num_samples: usize, num_features: usize) -> BestSplitStruct{
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 158 |     pub fn gini_index(&mut self, Y: &Vec<String>) -> f32 {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 174 |     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]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 199 |     pub fn information_gain(&mut self, parent: &Vec<String>, l_child: &Vec<String>, r_child: &Vec<String>) -> f32{
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 209 |     pub fn calculate_leaf_value(&mut self, Y: &Vec<String> ) -> String{
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 233 |     pub fn fit(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>) {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 237 |     pub fn make_prediction(&self, X: &Vec<f32>, tree: &Option<Box<Node>>) -> String{
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 259 |     pub fn predict(&self, X: &Vec<Vec<f32>>) -> Vec<String> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `split_dataset` is never used
[INFO] [stdout]    --> src/lib.rs:280:4
[INFO] [stdout]     |
[INFO] [stdout] 280 | fn split_dataset(X: &mut Vec<Vec<f32>>, Y: &mut Vec<String>, train_size: f32) -> (Vec<Vec<f32>>,  Vec<String>, Vec<Vec<f32>>,Vec<String>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `accuracy_per_label` is never used
[INFO] [stdout]    --> src/lib.rs:315:4
[INFO] [stdout]     |
[INFO] [stdout] 315 | 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:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn set_panic_hook() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unique_vals` is never used
[INFO] [stdout]   --> src/utils.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | 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:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn unique_vals_f32(arr: &Vec<f32>) -> Vec<f32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_vals` is never used
[INFO] [stdout]   --> src/utils.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn count_vals(arr: &Vec<String>, label: String) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_column` is never used
[INFO] [stdout]   --> src/utils.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | 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/lib.rs:79:34
[INFO] [stdout]    |
[INFO] [stdout] 79 |     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/lib.rs:79:53
[INFO] [stdout]    |
[INFO] [stdout] 79 |     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/lib.rs:113:38
[INFO] [stdout]     |
[INFO] [stdout] 113 |     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/lib.rs:113:57
[INFO] [stdout]     |
[INFO] [stdout] 113 |     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/lib.rs:158:34
[INFO] [stdout]     |
[INFO] [stdout] 158 |     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/lib.rs:174:29
[INFO] [stdout]     |
[INFO] [stdout] 174 |     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/lib.rs:174:48
[INFO] [stdout]     |
[INFO] [stdout] 174 |     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/lib.rs:209:44
[INFO] [stdout]     |
[INFO] [stdout] 209 |     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/lib.rs:233:27
[INFO] [stdout]     |
[INFO] [stdout] 233 |     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/lib.rs:233:46
[INFO] [stdout]     |
[INFO] [stdout] 233 |     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/lib.rs:237:35
[INFO] [stdout]     |
[INFO] [stdout] 237 |     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/lib.rs:259:27
[INFO] [stdout]     |
[INFO] [stdout] 259 |     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/lib.rs:280:18
[INFO] [stdout]     |
[INFO] [stdout] 280 | fn split_dataset(X: &mut Vec<Vec<f32>>, Y: &mut Vec<String>, train_size: f32) -> (Vec<Vec<f32>>,  Vec<String>, 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 `Y` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:280:41
[INFO] [stdout]     |
[INFO] [stdout] 280 | fn split_dataset(X: &mut Vec<Vec<f32>>, Y: &mut Vec<String>, train_size: f32) -> (Vec<Vec<f32>>,  Vec<String>, Vec<Vec<f32>>,Vec<String>) {
[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/lib.rs:284:13
[INFO] [stdout]     |
[INFO] [stdout] 284 |     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/lib.rs:285:13
[INFO] [stdout]     |
[INFO] [stdout] 285 |     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/lib.rs:286:13
[INFO] [stdout]     |
[INFO] [stdout] 286 |     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/lib.rs:287:13
[INFO] [stdout]     |
[INFO] [stdout] 287 |     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/lib.rs:315:23
[INFO] [stdout]     |
[INFO] [stdout] 315 | 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/lib.rs:315:40
[INFO] [stdout]     |
[INFO] [stdout] 315 | 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_test` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:394:9
[INFO] [stdout]     |
[INFO] [stdout] 394 |     let X_test: Vec<Vec<f32>> = vec![vec![5.0,3.4,1.5,0.2], vec![4.4,2.9,1.4,0.2], vec![4.9,3.1,1.5,0.1], vec![5.6,2.9,3.6,1.3], vec![6.2...
[INFO] [stdout]     |         ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.81
[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" "bbb205b8529a6330a77fd0e7d98ecabec056bb0415805bf297eed53bb82d2783", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbb205b8529a6330a77fd0e7d98ecabec056bb0415805bf297eed53bb82d2783", kill_on_drop: false }`
[INFO] [stdout] bbb205b8529a6330a77fd0e7d98ecabec056bb0415805bf297eed53bb82d2783
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 3019e8fa70fe717a643eb6c10e7186af342cdaa34c14b4e58fd30763242008be
[INFO] running `Command { std: "docker" "start" "-a" "3019e8fa70fe717a643eb6c10e7186af342cdaa34c14b4e58fd30763242008be", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stdout] 
[INFO] [stderr]  --> src/lib.rs:1:5
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 1 | use std::fs::File;
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `csv::Error`
[INFO] [stderr]  --> src/lib.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use csv::Error;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `console_error_panic_hook`
[INFO] [stderr]  --> src/utils.rs:8:11
[INFO] [stderr]   |
[INFO] [stderr] 8 |     #[cfg(feature = "console_error_panic_hook")]
[INFO] [stderr]   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stderr]   |
[INFO] [stderr]   = note: no expected values for `feature`
[INFO] [stderr]   = help: consider adding `console_error_panic_hook` as a feature in `Cargo.toml`
[INFO] [stderr]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude`
[INFO] [stderr]  --> src/lib.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num_samples`
[INFO] [stderr]    --> src/lib.rs:113:75
[INFO] [stderr]     |
[INFO] [stderr] 113 |     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]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n_test`
[INFO] [stderr]    --> src/lib.rs:282:9
[INFO] [stderr]     |
[INFO] [stderr] 282 |     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: `X_test`
[INFO] [stderr]    --> src/lib.rs:394:9
[INFO] [stderr]     |
[INFO] [stderr] 394 |     let X_test: Vec<Vec<f32>> = vec![vec![5.0,3.4,1.5,0.2], vec![4.4,2.9,1.4,0.2], vec![4.9,3.1,1.5,0.1], vec![5.6,2.9,3.6,1.3], vec![6.2...
[INFO] [stderr]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_X_test`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `BestSplitStruct` is never constructed
[INFO] [stderr]   --> src/lib.rs:28:8
[INFO] [stderr]    |
[INFO] [stderr] 28 | struct BestSplitStruct {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/lib.rs:49:12
[INFO] [stderr]    |
[INFO] [stderr] 48 | impl Node{
[INFO] [stderr]    | --------- associated function in this implementation
[INFO] [stderr] 49 |     pub fn new(fi: usize, th: f32, v: String) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated items are never used
[INFO] [stderr]    --> src/lib.rs:71:12
[INFO] [stderr]     |
[INFO] [stderr] 70  | impl  DecisionTreeClassifier  {
[INFO] [stderr]     | ---------------------------- associated items in this implementation
[INFO] [stderr] 71  |     pub fn new(mss: usize, md: usize) -> Self{
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 79  |     pub fn build_tree(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>, curr_depth: usize) -> Option<Box<Node>>{
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 113 |     pub fn get_best_split(&mut self, X: &Vec<Vec<f32>>, Y:  &Vec<String>, num_samples: usize, num_features: usize) -> BestSplitStruct{
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 158 |     pub fn gini_index(&mut self, Y: &Vec<String>) -> f32 {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 174 |     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]     |            ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 199 |     pub fn information_gain(&mut self, parent: &Vec<String>, l_child: &Vec<String>, r_child: &Vec<String>) -> f32{
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 209 |     pub fn calculate_leaf_value(&mut self, Y: &Vec<String> ) -> String{
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 233 |     pub fn fit(&mut self, X: &Vec<Vec<f32>>, Y: &Vec<String>) {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 237 |     pub fn make_prediction(&self, X: &Vec<f32>, tree: &Option<Box<Node>>) -> String{
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 259 |     pub fn predict(&self, X: &Vec<Vec<f32>>) -> Vec<String> {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `split_dataset` is never used
[INFO] [stderr]    --> src/lib.rs:280:4
[INFO] [stderr]     |
[INFO] [stderr] 280 | fn split_dataset(X: &mut Vec<Vec<f32>>, Y: &mut Vec<String>, train_size: f32) -> (Vec<Vec<f32>>,  Vec<String>, Vec<Vec<f32>>,Vec<String>) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `accuracy_per_label` is never used
[INFO] [stderr]    --> src/lib.rs:315:4
[INFO] [stderr]     |
[INFO] [stderr] 315 | 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:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn set_panic_hook() {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `unique_vals` is never used
[INFO] [stderr]   --> src/utils.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | 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:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub fn unique_vals_f32(arr: &Vec<f32>) -> Vec<f32> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `count_vals` is never used
[INFO] [stderr]   --> src/utils.rs:32:8
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub fn count_vals(arr: &Vec<String>, label: String) -> usize {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_column` is never used
[INFO] [stderr]   --> src/utils.rs:43:8
[INFO] [stderr]    |
[INFO] [stderr] 43 | 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/lib.rs:79:34
[INFO] [stderr]    |
[INFO] [stderr] 79 |     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/lib.rs:79:53
[INFO] [stderr]    |
[INFO] [stderr] 79 |     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/lib.rs:113:38
[INFO] [stderr]     |
[INFO] [stderr] 113 |     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/lib.rs:113:57
[INFO] [stderr]     |
[INFO] [stderr] 113 |     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/lib.rs:158:34
[INFO] [stderr]     |
[INFO] [stderr] 158 |     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/lib.rs:174:29
[INFO] [stderr]     |
[INFO] [stderr] 174 |     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/lib.rs:174:48
[INFO] [stderr]     |
[INFO] [stderr] 174 |     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/lib.rs:209:44
[INFO] [stderr]     |
[INFO] [stderr] 209 |     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/lib.rs:233:27
[INFO] [stderr]     |
[INFO] [stderr] 233 |     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/lib.rs:233:46
[INFO] [stderr]     |
[INFO] [stderr] 233 |     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/lib.rs:237:35
[INFO] [stderr]     |
[INFO] [stderr] 237 |     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/lib.rs:259:27
[INFO] [stderr]     |
[INFO] [stderr] 259 |     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/lib.rs:280:18
[INFO] [stderr]     |
[INFO] [stderr] 280 | fn split_dataset(X: &mut Vec<Vec<f32>>, Y: &mut Vec<String>, train_size: f32) -> (Vec<Vec<f32>>,  Vec<String>, Vec<Vec<f32>>,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/lib.rs:280:41
[INFO] [stderr]     |
[INFO] [stderr] 280 | fn split_dataset(X: &mut Vec<Vec<f32>>, Y: &mut Vec<String>, train_size: f32) -> (Vec<Vec<f32>>,  Vec<String>, Vec<Vec<f32>>,Vec<String>) {
[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/lib.rs:284:13
[INFO] [stderr]     |
[INFO] [stderr] 284 |     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/lib.rs:285:13
[INFO] [stderr]     |
[INFO] [stderr] 285 |     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/lib.rs:286:13
[INFO] [stderr]     |
[INFO] [stderr] 286 |     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/lib.rs:287:13
[INFO] [stderr]     |
[INFO] [stderr] 287 |     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/lib.rs:315:23
[INFO] [stderr]     |
[INFO] [stderr] 315 | 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/lib.rs:315:40
[INFO] [stderr]     |
[INFO] [stderr] 315 | 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_test` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:394:9
[INFO] [stderr]     |
[INFO] [stderr] 394 |     let X_test: Vec<Vec<f32>> = vec![vec![5.0,3.4,1.5,0.2], vec![4.4,2.9,1.4,0.2], vec![4.9,3.1,1.5,0.1], vec![5.6,2.9,3.6,1.3], vec![6.2...
[INFO] [stderr]     |         ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_test`
[INFO] [stderr] 
[INFO] [stderr] warning: `wasm-dtree` (lib test) generated 38 warnings (run `cargo fix --lib -p wasm-dtree --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.81
[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/wasm_dtree-7c7c0fab28db855b)
[INFO] running `Command { std: "docker" "inspect" "3019e8fa70fe717a643eb6c10e7186af342cdaa34c14b4e58fd30763242008be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3019e8fa70fe717a643eb6c10e7186af342cdaa34c14b4e58fd30763242008be", kill_on_drop: false }`
[INFO] [stdout] 3019e8fa70fe717a643eb6c10e7186af342cdaa34c14b4e58fd30763242008be