[INFO] cloning repository https://github.com/m0tivus/example-random_forest-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/m0tivus/example-random_forest-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm0tivus%2Fexample-random_forest-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm0tivus%2Fexample-random_forest-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1802040e41fa1ed34d293bd07c22c4d90478e9bf
[INFO] testing m0tivus/example-random_forest-rust against 1.85.0 for beta-1.86-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm0tivus%2Fexample-random_forest-rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  61% (828/1347)
Updating files:  62% (836/1347)
Updating files:  63% (849/1347)
Updating files:  64% (863/1347)
Updating files:  65% (876/1347)
Updating files:  66% (890/1347)
Updating files:  67% (903/1347)
Updating files:  68% (916/1347)
Updating files:  69% (930/1347)
Updating files:  70% (943/1347)
Updating files:  71% (957/1347)
Updating files:  72% (970/1347)
Updating files:  73% (984/1347)
Updating files:  74% (997/1347)
Updating files:  75% (1011/1347)
Updating files:  76% (1024/1347)
Updating files:  77% (1038/1347)
Updating files:  78% (1051/1347)
Updating files:  79% (1065/1347)
Updating files:  80% (1078/1347)
Updating files:  81% (1092/1347)
Updating files:  82% (1105/1347)
Updating files:  83% (1119/1347)
Updating files:  84% (1132/1347)
Updating files:  85% (1145/1347)
Updating files:  86% (1159/1347)
Updating files:  87% (1172/1347)
Updating files:  88% (1186/1347)
Updating files:  89% (1199/1347)
Updating files:  90% (1213/1347)
Updating files:  91% (1226/1347)
Updating files:  92% (1240/1347)
Updating files:  93% (1253/1347)
Updating files:  94% (1267/1347)
Updating files:  95% (1280/1347)
Updating files:  96% (1294/1347)
Updating files:  96% (1305/1347)
Updating files:  97% (1307/1347)
Updating files:  98% (1321/1347)
Updating files:  99% (1334/1347)
Updating files: 100% (1347/1347)
Updating files: 100% (1347/1347), done.
[INFO] validating manifest of git repo https://github.com/m0tivus/example-random_forest-rust 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/m0tivus/example-random_forest-rust
[INFO] finished tweaking git repo https://github.com/m0tivus/example-random_forest-rust
[INFO] tweaked toml for git repo https://github.com/m0tivus/example-random_forest-rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/m0tivus/example-random_forest-rust 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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded once_cell v1.13.1
[INFO] [stderr]   Downloaded serde_derive v1.0.144
[INFO] [stderr]   Downloaded rand_core v0.6.3
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.32
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.3.32
[INFO] [stderr]   Downloaded csv-core v0.1.10
[INFO] [stderr]   Downloaded serde v1.0.144
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.3.32
[INFO] [stderr]   Downloaded serde_json v1.0.85
[INFO] [stderr]   Downloaded regex-automata v0.1.10
[INFO] [stderr]   Downloaded bstr v0.2.17
[INFO] [stderr]   Downloaded csv v1.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 63f15c6c96115871c5ffeb2d6802b3f91e4fdff77bf3651a683492f78f06d206
[INFO] running `Command { std: "docker" "start" "-a" "63f15c6c96115871c5ffeb2d6802b3f91e4fdff77bf3651a683492f78f06d206", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63f15c6c96115871c5ffeb2d6802b3f91e4fdff77bf3651a683492f78f06d206", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63f15c6c96115871c5ffeb2d6802b3f91e4fdff77bf3651a683492f78f06d206", kill_on_drop: false }`
[INFO] [stdout] 63f15c6c96115871c5ffeb2d6802b3f91e4fdff77bf3651a683492f78f06d206
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 999535e20fe00fbe1758c0d8524fe24caea5a1118dc694b34cd6ddf6e74e3f5b
[INFO] running `Command { std: "docker" "start" "-a" "999535e20fe00fbe1758c0d8524fe24caea5a1118dc694b34cd6ddf6e74e3f5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.82
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling once_cell v1.13.1
[INFO] [stderr]    Compiling bumpalo v3.11.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]    Compiling wasm-bindgen v0.2.82
[INFO] [stderr]    Compiling itoa v1.0.3
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling csv-core v0.1.10
[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 v0.2.82
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.82
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.82
[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 variable: `num_samples`
[INFO] [stdout]   --> src/random_forest/dtree.rs:94:75
[INFO] [stdout]    |
[INFO] [stdout] 94 |     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: `num_samples`
[INFO] [stdout]   --> src/dtree.rs:99:75
[INFO] [stdout]    |
[INFO] [stdout] 99 |     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: `y_pred`
[INFO] [stdout]    --> src/lib.rs:159:13
[INFO] [stdout]     |
[INFO] [stdout] 159 |         let y_pred = rf.predict(&_x_test);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_y_pred`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `split_dataset` is never used
[INFO] [stdout]   --> src/lib.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | 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]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `accuracy_per_label` is never used
[INFO] [stdout]   --> src/lib.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn accuracy_per_label(y: &Vec<String>, y_hat: &Vec<String>) -> Vec<f32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `accuracy_per_label` is never used
[INFO] [stdout]   --> src/utils.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | 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:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | 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:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 | 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:83:8
[INFO] [stdout]    |
[INFO] [stdout] 83 | 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:99:8
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub fn get_column(matrix: &Vec<Vec<f32>>, col: usize) -> Vec<f32>{
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `accuracy` is never used
[INFO] [stdout]   --> src/random_forest.rs:78:8
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub fn accuracy(y: &Vec<String>, y_hat: &Vec<String>) -> f32{
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/random_forest/dtree.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl Node{
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 30 |     pub fn new(fi: usize, th: f32, v: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `split_dataset` is never used
[INFO] [stdout]  --> src/random_forest/dtree/utils.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | 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/random_forest/dtree/utils.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn accuracy_per_label(y: &Vec<String>, y_hat: &Vec<String>) -> Vec<f32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BestSplitStruct` is never constructed
[INFO] [stdout]   --> src/dtree.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct BestSplitStruct {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BestSplitStruct` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/dtree.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl Node{
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 35 |     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/dtree.rs:57:12
[INFO] [stdout]     |
[INFO] [stdout] 56  | impl  DecisionTreeClassifier  {
[INFO] [stdout]     | ---------------------------- associated items in this implementation
[INFO] [stdout] 57  |     pub fn new(mss: usize, md: usize) -> Self{
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 65  |     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] 99  |     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] 144 |     pub fn gini_index(&mut self, y: &Vec<String>) -> f32 {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 160 |     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] 185 |     pub fn information_gain(&mut self, parent: &Vec<String>, l_child: &Vec<String>, r_child: &Vec<String>) -> f32{
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 195 |     pub fn calculate_leaf_value(&mut self, y: &Vec<String> ) -> String{
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 219 |     pub fn fit(&mut self, x: &Vec<Vec<f32>>, y: &Vec<String>) {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 223 |     pub fn make_prediction(&self, x: &Vec<f32>, tree: &Option<Box<Node>>) -> String{
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 245 |     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/dtree/utils.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | 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:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | 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/dtree/utils.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | 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/dtree/utils.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 | 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/dtree/utils.rs:83:8
[INFO] [stdout]    |
[INFO] [stdout] 83 | 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/dtree/utils.rs:99:8
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub fn get_column(matrix: &Vec<Vec<f32>>, col: usize) -> Vec<f32>{
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.15s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.82
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "999535e20fe00fbe1758c0d8524fe24caea5a1118dc694b34cd6ddf6e74e3f5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "999535e20fe00fbe1758c0d8524fe24caea5a1118dc694b34cd6ddf6e74e3f5b", kill_on_drop: false }`
[INFO] [stdout] 999535e20fe00fbe1758c0d8524fe24caea5a1118dc694b34cd6ddf6e74e3f5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 72eb0367404431ab8d0ab3dd6a06de79878b2067712aa6fa4d82b6590d4159c3
[INFO] running `Command { std: "docker" "start" "-a" "72eb0367404431ab8d0ab3dd6a06de79878b2067712aa6fa4d82b6590d4159c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.32
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling js-sys v0.3.59
[INFO] [stdout] warning: unused variable: `num_samples`
[INFO] [stdout]   --> src/random_forest/dtree.rs:94:75
[INFO] [stdout]    |
[INFO] [stdout] 94 |     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: `num_samples`
[INFO] [stdout]   --> src/dtree.rs:99:75
[INFO] [stdout]    |
[INFO] [stdout] 99 |     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: `y_pred`
[INFO] [stdout]    --> src/lib.rs:159:13
[INFO] [stdout]     |
[INFO] [stdout] 159 |         let y_pred = rf.predict(&_x_test);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_y_pred`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `split_dataset` is never used
[INFO] [stdout]   --> src/lib.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | 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]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `accuracy_per_label` is never used
[INFO] [stdout]   --> src/lib.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn accuracy_per_label(y: &Vec<String>, y_hat: &Vec<String>) -> Vec<f32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `accuracy_per_label` is never used
[INFO] [stdout]   --> src/utils.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | 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:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | 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:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 | 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:83:8
[INFO] [stdout]    |
[INFO] [stdout] 83 | 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:99:8
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub fn get_column(matrix: &Vec<Vec<f32>>, col: usize) -> Vec<f32>{
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `accuracy` is never used
[INFO] [stdout]   --> src/random_forest.rs:78:8
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub fn accuracy(y: &Vec<String>, y_hat: &Vec<String>) -> f32{
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/random_forest/dtree.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl Node{
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 30 |     pub fn new(fi: usize, th: f32, v: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `split_dataset` is never used
[INFO] [stdout]  --> src/random_forest/dtree/utils.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | 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/random_forest/dtree/utils.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn accuracy_per_label(y: &Vec<String>, y_hat: &Vec<String>) -> Vec<f32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BestSplitStruct` is never constructed
[INFO] [stdout]   --> src/dtree.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct BestSplitStruct {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BestSplitStruct` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/dtree.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl Node{
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 35 |     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/dtree.rs:57:12
[INFO] [stdout]     |
[INFO] [stdout] 56  | impl  DecisionTreeClassifier  {
[INFO] [stdout]     | ---------------------------- associated items in this implementation
[INFO] [stdout] 57  |     pub fn new(mss: usize, md: usize) -> Self{
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 65  |     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] 99  |     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] 144 |     pub fn gini_index(&mut self, y: &Vec<String>) -> f32 {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 160 |     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] 185 |     pub fn information_gain(&mut self, parent: &Vec<String>, l_child: &Vec<String>, r_child: &Vec<String>) -> f32{
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 195 |     pub fn calculate_leaf_value(&mut self, y: &Vec<String> ) -> String{
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 219 |     pub fn fit(&mut self, x: &Vec<Vec<f32>>, y: &Vec<String>) {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 223 |     pub fn make_prediction(&self, x: &Vec<f32>, tree: &Option<Box<Node>>) -> String{
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 245 |     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/dtree/utils.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | 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:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | 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/dtree/utils.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | 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/dtree/utils.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 | 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/dtree/utils.rs:83:8
[INFO] [stdout]    |
[INFO] [stdout] 83 | 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/dtree/utils.rs:99:8
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub fn get_column(matrix: &Vec<Vec<f32>>, col: usize) -> Vec<f32>{
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.4.32
[INFO] [stderr]    Compiling wasm-bindgen-test v0.3.32
[INFO] [stderr]    Compiling random-forest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `num_samples`
[INFO] [stdout]   --> src/random_forest/dtree.rs:94:75
[INFO] [stdout]    |
[INFO] [stdout] 94 |     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: `num_samples`
[INFO] [stdout]   --> src/dtree.rs:99:75
[INFO] [stdout]    |
[INFO] [stdout] 99 |     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: `y_pred`
[INFO] [stdout]    --> src/lib.rs:159:13
[INFO] [stdout]     |
[INFO] [stdout] 159 |         let y_pred = rf.predict(&_x_test);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_y_pred`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `split_dataset` is never used
[INFO] [stdout]   --> src/lib.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | 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]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `accuracy_per_label` is never used
[INFO] [stdout]   --> src/lib.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn accuracy_per_label(y: &Vec<String>, y_hat: &Vec<String>) -> Vec<f32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `accuracy_per_label` is never used
[INFO] [stdout]   --> src/utils.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | 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:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | 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:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 | 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:83:8
[INFO] [stdout]    |
[INFO] [stdout] 83 | 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:99:8
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub fn get_column(matrix: &Vec<Vec<f32>>, col: usize) -> Vec<f32>{
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `accuracy` is never used
[INFO] [stdout]   --> src/random_forest.rs:78:8
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub fn accuracy(y: &Vec<String>, y_hat: &Vec<String>) -> f32{
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/random_forest/dtree.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl Node{
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 30 |     pub fn new(fi: usize, th: f32, v: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `split_dataset` is never used
[INFO] [stdout]  --> src/random_forest/dtree/utils.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | 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/random_forest/dtree/utils.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn accuracy_per_label(y: &Vec<String>, y_hat: &Vec<String>) -> Vec<f32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BestSplitStruct` is never constructed
[INFO] [stdout]   --> src/dtree.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct BestSplitStruct {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BestSplitStruct` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/dtree.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl Node{
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 35 |     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/dtree.rs:57:12
[INFO] [stdout]     |
[INFO] [stdout] 56  | impl  DecisionTreeClassifier  {
[INFO] [stdout]     | ---------------------------- associated items in this implementation
[INFO] [stdout] 57  |     pub fn new(mss: usize, md: usize) -> Self{
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 65  |     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] 99  |     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] 144 |     pub fn gini_index(&mut self, y: &Vec<String>) -> f32 {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 160 |     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] 185 |     pub fn information_gain(&mut self, parent: &Vec<String>, l_child: &Vec<String>, r_child: &Vec<String>) -> f32{
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 195 |     pub fn calculate_leaf_value(&mut self, y: &Vec<String> ) -> String{
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 219 |     pub fn fit(&mut self, x: &Vec<Vec<f32>>, y: &Vec<String>) {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 223 |     pub fn make_prediction(&self, x: &Vec<f32>, tree: &Option<Box<Node>>) -> String{
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 245 |     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/dtree/utils.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | 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:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | 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/dtree/utils.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | 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/dtree/utils.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 | 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/dtree/utils.rs:83:8
[INFO] [stdout]    |
[INFO] [stdout] 83 | 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/dtree/utils.rs:99:8
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub fn get_column(matrix: &Vec<Vec<f32>>, col: usize) -> Vec<f32>{
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.64s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.82
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "72eb0367404431ab8d0ab3dd6a06de79878b2067712aa6fa4d82b6590d4159c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72eb0367404431ab8d0ab3dd6a06de79878b2067712aa6fa4d82b6590d4159c3", kill_on_drop: false }`
[INFO] [stdout] 72eb0367404431ab8d0ab3dd6a06de79878b2067712aa6fa4d82b6590d4159c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] ec57d54d5cd8c863b070d314665c44465b422339e71724e4d13c0b0d4e1fa08c
[INFO] running `Command { std: "docker" "start" "-a" "ec57d54d5cd8c863b070d314665c44465b422339e71724e4d13c0b0d4e1fa08c", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `num_samples`
[INFO] [stderr]   --> src/random_forest/dtree.rs:94:75
[INFO] [stderr]    |
[INFO] [stderr] 94 |     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: `num_samples`
[INFO] [stderr]   --> src/dtree.rs:99:75
[INFO] [stderr]    |
[INFO] [stderr] 99 |     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: `y_pred`
[INFO] [stderr]    --> src/lib.rs:159:13
[INFO] [stderr]     |
[INFO] [stderr] 159 |         let y_pred = rf.predict(&_x_test);
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_y_pred`
[INFO] [stderr] 
[INFO] [stderr] warning: function `split_dataset` is never used
[INFO] [stderr]   --> src/lib.rs:30:4
[INFO] [stderr]    |
[INFO] [stderr] 30 | 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]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `accuracy_per_label` is never used
[INFO] [stderr]   --> src/lib.rs:65:4
[INFO] [stderr]    |
[INFO] [stderr] 65 | fn accuracy_per_label(y: &Vec<String>, y_hat: &Vec<String>) -> Vec<f32> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `accuracy_per_label` is never used
[INFO] [stderr]   --> src/utils.rs:38:8
[INFO] [stderr]    |
[INFO] [stderr] 38 | 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:62:8
[INFO] [stderr]    |
[INFO] [stderr] 62 | 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:73:8
[INFO] [stderr]    |
[INFO] [stderr] 73 | 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:83:8
[INFO] [stderr]    |
[INFO] [stderr] 83 | 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:99:8
[INFO] [stderr]    |
[INFO] [stderr] 99 | pub fn get_column(matrix: &Vec<Vec<f32>>, col: usize) -> Vec<f32>{
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `accuracy` is never used
[INFO] [stderr]   --> src/random_forest.rs:78:8
[INFO] [stderr]    |
[INFO] [stderr] 78 | pub fn accuracy(y: &Vec<String>, y_hat: &Vec<String>) -> f32{
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/random_forest/dtree.rs:30:12
[INFO] [stderr]    |
[INFO] [stderr] 29 | impl Node{
[INFO] [stderr]    | --------- associated function in this implementation
[INFO] [stderr] 30 |     pub fn new(fi: usize, th: f32, v: String) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `split_dataset` is never used
[INFO] [stderr]  --> src/random_forest/dtree/utils.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | 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/random_forest/dtree/utils.rs:38:8
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub fn accuracy_per_label(y: &Vec<String>, y_hat: &Vec<String>) -> Vec<f32> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `BestSplitStruct` is never constructed
[INFO] [stderr]   --> src/dtree.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub struct BestSplitStruct {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `BestSplitStruct` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/dtree.rs:35:12
[INFO] [stderr]    |
[INFO] [stderr] 34 | impl Node{
[INFO] [stderr]    | --------- associated function in this implementation
[INFO] [stderr] 35 |     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/dtree.rs:57:12
[INFO] [stderr]     |
[INFO] [stderr] 56  | impl  DecisionTreeClassifier  {
[INFO] [stderr]     | ---------------------------- associated items in this implementation
[INFO] [stderr] 57  |     pub fn new(mss: usize, md: usize) -> Self{
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 65  |     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] 99  |     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] 144 |     pub fn gini_index(&mut self, y: &Vec<String>) -> f32 {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 160 |     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] 185 |     pub fn information_gain(&mut self, parent: &Vec<String>, l_child: &Vec<String>, r_child: &Vec<String>) -> f32{
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 195 |     pub fn calculate_leaf_value(&mut self, y: &Vec<String> ) -> String{
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 219 |     pub fn fit(&mut self, x: &Vec<Vec<f32>>, y: &Vec<String>) {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 223 |     pub fn make_prediction(&self, x: &Vec<f32>, tree: &Option<Box<Node>>) -> String{
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 245 |     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/dtree/utils.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | 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:38:8
[INFO] [stderr]    |
[INFO] [stderr] 38 | 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/dtree/utils.rs:62:8
[INFO] [stderr]    |
[INFO] [stderr] 62 | 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/dtree/utils.rs:73:8
[INFO] [stderr]    |
[INFO] [stderr] 73 | 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/dtree/utils.rs:83:8
[INFO] [stderr]    |
[INFO] [stderr] 83 | 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/dtree/utils.rs:99:8
[INFO] [stderr]    |
[INFO] [stderr] 99 | pub fn get_column(matrix: &Vec<Vec<f32>>, col: usize) -> Vec<f32>{
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `random-forest` (lib) generated 23 warnings
[INFO] [stderr] warning: `random-forest` (lib test) generated 23 warnings (23 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.82
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/random_forest-01963a53b648dad9)
[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-3cf0bcd91f513e40)
[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] [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" "ec57d54d5cd8c863b070d314665c44465b422339e71724e4d13c0b0d4e1fa08c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec57d54d5cd8c863b070d314665c44465b422339e71724e4d13c0b0d4e1fa08c", kill_on_drop: false }`
[INFO] [stdout] ec57d54d5cd8c863b070d314665c44465b422339e71724e4d13c0b0d4e1fa08c
