[INFO] cloning repository https://github.com/abedinia/rust_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/abedinia/rust_decision_tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabedinia%2Frust_decision_tree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabedinia%2Frust_decision_tree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bd6e217514a7544d4c4fb5c8d1c438209f9d98db
[INFO] testing abedinia/rust_decision_tree against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabedinia%2Frust_decision_tree" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/abedinia/rust_decision_tree
[INFO] finished tweaking git repo https://github.com/abedinia/rust_decision_tree
[INFO] tweaked toml for git repo https://github.com/abedinia/rust_decision_tree written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/abedinia/rust_decision_tree on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/abedinia/rust_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" "+9f93af291970322f4f1c6315ccde4d7078201159" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c98c78511947749787d5723b92b64e7bf2074744961dd0711a164bcf5fa54045
[INFO] running `Command { std: "docker" "start" "-a" "c98c78511947749787d5723b92b64e7bf2074744961dd0711a164bcf5fa54045", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c98c78511947749787d5723b92b64e7bf2074744961dd0711a164bcf5fa54045", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c98c78511947749787d5723b92b64e7bf2074744961dd0711a164bcf5fa54045", kill_on_drop: false }`
[INFO] [stdout] c98c78511947749787d5723b92b64e7bf2074744961dd0711a164bcf5fa54045
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d118c28ec1546c47a6aebbaf75859334c724aa3aed56737aaf09aca18bd02088
[INFO] running `Command { std: "docker" "start" "-a" "d118c28ec1546c47a6aebbaf75859334c724aa3aed56737aaf09aca18bd02088", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling decision_tree v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Hash` and `Hasher`
[INFO] [stdout]  --> src/classification_tree.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::hash::{Hash, Hasher};
[INFO] [stdout]   |                 ^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |         X: &[Vec<f64>], 
[INFO] [stdout]     |         ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_left` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:167:17
[INFO] [stdout]     |
[INFO] [stdout] 167 |         let mut X_left = Vec::new();
[INFO] [stdout]     |                 ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_right` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:169:17
[INFO] [stdout]     |
[INFO] [stdout] 169 |         let mut X_right = Vec::new();
[INFO] [stdout]     |                 ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:194:39
[INFO] [stdout]     |
[INFO] [stdout] 194 |     pub fn build_tree_parallel(&self, X: &[Vec<f64>], y: &[f64], current_depth: usize) -> DecisionNode {
[INFO] [stdout]     |                                       ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_left` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:216:30
[INFO] [stdout]     |
[INFO] [stdout] 216 |                         let (X_left, y_left, X_right, y_right) = 
[INFO] [stdout]     |                              ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_right` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:216:46
[INFO] [stdout]     |
[INFO] [stdout] 216 |                         let (X_left, y_left, X_right, y_right) = 
[INFO] [stdout]     |                                              ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_left` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:252:18
[INFO] [stdout]     |
[INFO] [stdout] 252 |             let (X_left, y_left, X_right, y_right) = best_sets.unwrap();
[INFO] [stdout]     |                  ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_right` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:252:34
[INFO] [stdout]     |
[INFO] [stdout] 252 |             let (X_left, y_left, X_right, y_right) = best_sets.unwrap();
[INFO] [stdout]     |                                  ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:281:27
[INFO] [stdout]     |
[INFO] [stdout] 281 |     pub fn fit(&mut self, X: Vec<Vec<f64>>, y: Vec<f64>) -> &mut Self {
[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/decision_tree.rs:292:27
[INFO] [stdout]     |
[INFO] [stdout] 292 |     pub fn predict(&self, X: Vec<Vec<f64>>) -> Vec<f64> {
[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/decision_tree.rs:399:9
[INFO] [stdout]     |
[INFO] [stdout] 399 |         X: &[Vec<f64>],
[INFO] [stdout]     |         ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_left` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:442:18
[INFO] [stdout]     |
[INFO] [stdout] 442 |             let (X_left, y_left, X_right, y_right) = best_sets.unwrap();
[INFO] [stdout]     |                  ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_right` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:442:34
[INFO] [stdout]     |
[INFO] [stdout] 442 |             let (X_left, y_left, X_right, y_right) = best_sets.unwrap();
[INFO] [stdout]     |                                  ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:472:9
[INFO] [stdout]     |
[INFO] [stdout] 472 |         X: &[Vec<f64>],
[INFO] [stdout]     |         ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_left` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:497:18
[INFO] [stdout]     |
[INFO] [stdout] 497 |             let (X_left, y_left, X_right, y_right) = Self::divide_on_feature(X, y, feature_i, threshold);
[INFO] [stdout]     |                  ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_right` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:497:34
[INFO] [stdout]     |
[INFO] [stdout] 497 |             let (X_left, y_left, X_right, y_right) = Self::divide_on_feature(X, y, feature_i, threshold);
[INFO] [stdout]     |                                  ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:520:9
[INFO] [stdout]     |
[INFO] [stdout] 520 |         X: &[Vec<f64>],
[INFO] [stdout]     |         ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_left` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:530:18
[INFO] [stdout]     |
[INFO] [stdout] 530 |             let (X_left, y_left, X_right, y_right) = Self::divide_on_categorical_feature(
[INFO] [stdout]     |                  ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_right` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:530:34
[INFO] [stdout]     |
[INFO] [stdout] 530 |             let (X_left, y_left, X_right, y_right) = Self::divide_on_categorical_feature(
[INFO] [stdout]     |                                  ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:554:9
[INFO] [stdout]     |
[INFO] [stdout] 554 |         X: &[Vec<f64>],
[INFO] [stdout]     |         ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_left` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:559:17
[INFO] [stdout]     |
[INFO] [stdout] 559 |         let mut X_left = Vec::new();
[INFO] [stdout]     |                 ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_right` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:561:17
[INFO] [stdout]     |
[INFO] [stdout] 561 |         let mut X_right = Vec::new();
[INFO] [stdout]     |                 ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/classification_tree.rs:231:27
[INFO] [stdout]     |
[INFO] [stdout] 231 |     pub fn fit(&mut self, X: Vec<Vec<f64>>, y: Vec<f64>) -> &mut Self {
[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/classification_tree.rs:243:27
[INFO] [stdout]     |
[INFO] [stdout] 243 |     pub fn predict(&self, X: Vec<Vec<f64>>) -> Vec<f64> {
[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/regression_tree.rs:125:27
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub fn fit(&mut self, X: Vec<Vec<f64>>, y: Vec<f64>) -> &mut Self {
[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/regression_tree.rs:137:27
[INFO] [stdout]     |
[INFO] [stdout] 137 |     pub fn predict(&self, X: Vec<Vec<f64>>) -> Vec<f64> {
[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/utils.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     X: Vec<Vec<f64>>, 
[INFO] [stdout]    |     ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_train` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let mut X_train = Vec::with_capacity(train_samples);
[INFO] [stdout]    |             ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_train`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_test` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let mut X_test = Vec::with_capacity(test_samples);
[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 2.51s
[INFO] running `Command { std: "docker" "inspect" "d118c28ec1546c47a6aebbaf75859334c724aa3aed56737aaf09aca18bd02088", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d118c28ec1546c47a6aebbaf75859334c724aa3aed56737aaf09aca18bd02088", kill_on_drop: false }`
[INFO] [stdout] d118c28ec1546c47a6aebbaf75859334c724aa3aed56737aaf09aca18bd02088
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9267e3a7b6d9f584607fdf18093a9601ce9b35f61a94cf555db467d6cdaf61c3
[INFO] running `Command { std: "docker" "start" "-a" "9267e3a7b6d9f584607fdf18093a9601ce9b35f61a94cf555db467d6cdaf61c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling clap_lex v0.7.4
[INFO] [stderr]    Compiling anstyle v1.0.10
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling clap_builder v4.5.35
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling is-terminal v0.4.16
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling clap v4.5.35
[INFO] [stderr]    Compiling decision_tree v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Hash` and `Hasher`
[INFO] [stdout]  --> src/classification_tree.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::hash::{Hash, Hasher};
[INFO] [stdout]   |                 ^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |         X: &[Vec<f64>], 
[INFO] [stdout]     |         ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_left` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:167:17
[INFO] [stdout]     |
[INFO] [stdout] 167 |         let mut X_left = Vec::new();
[INFO] [stdout]     |                 ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_right` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:169:17
[INFO] [stdout]     |
[INFO] [stdout] 169 |         let mut X_right = Vec::new();
[INFO] [stdout]     |                 ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:194:39
[INFO] [stdout]     |
[INFO] [stdout] 194 |     pub fn build_tree_parallel(&self, X: &[Vec<f64>], y: &[f64], current_depth: usize) -> DecisionNode {
[INFO] [stdout]     |                                       ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_left` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:216:30
[INFO] [stdout]     |
[INFO] [stdout] 216 |                         let (X_left, y_left, X_right, y_right) = 
[INFO] [stdout]     |                              ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_right` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:216:46
[INFO] [stdout]     |
[INFO] [stdout] 216 |                         let (X_left, y_left, X_right, y_right) = 
[INFO] [stdout]     |                                              ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_left` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:252:18
[INFO] [stdout]     |
[INFO] [stdout] 252 |             let (X_left, y_left, X_right, y_right) = best_sets.unwrap();
[INFO] [stdout]     |                  ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_right` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:252:34
[INFO] [stdout]     |
[INFO] [stdout] 252 |             let (X_left, y_left, X_right, y_right) = best_sets.unwrap();
[INFO] [stdout]     |                                  ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:281:27
[INFO] [stdout]     |
[INFO] [stdout] 281 |     pub fn fit(&mut self, X: Vec<Vec<f64>>, y: Vec<f64>) -> &mut Self {
[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/decision_tree.rs:292:27
[INFO] [stdout]     |
[INFO] [stdout] 292 |     pub fn predict(&self, X: Vec<Vec<f64>>) -> Vec<f64> {
[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/decision_tree.rs:399:9
[INFO] [stdout]     |
[INFO] [stdout] 399 |         X: &[Vec<f64>],
[INFO] [stdout]     |         ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_left` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:442:18
[INFO] [stdout]     |
[INFO] [stdout] 442 |             let (X_left, y_left, X_right, y_right) = best_sets.unwrap();
[INFO] [stdout]     |                  ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_right` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:442:34
[INFO] [stdout]     |
[INFO] [stdout] 442 |             let (X_left, y_left, X_right, y_right) = best_sets.unwrap();
[INFO] [stdout]     |                                  ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:472:9
[INFO] [stdout]     |
[INFO] [stdout] 472 |         X: &[Vec<f64>],
[INFO] [stdout]     |         ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_left` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:497:18
[INFO] [stdout]     |
[INFO] [stdout] 497 |             let (X_left, y_left, X_right, y_right) = Self::divide_on_feature(X, y, feature_i, threshold);
[INFO] [stdout]     |                  ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_right` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:497:34
[INFO] [stdout]     |
[INFO] [stdout] 497 |             let (X_left, y_left, X_right, y_right) = Self::divide_on_feature(X, y, feature_i, threshold);
[INFO] [stdout]     |                                  ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:520:9
[INFO] [stdout]     |
[INFO] [stdout] 520 |         X: &[Vec<f64>],
[INFO] [stdout]     |         ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_left` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:530:18
[INFO] [stdout]     |
[INFO] [stdout] 530 |             let (X_left, y_left, X_right, y_right) = Self::divide_on_categorical_feature(
[INFO] [stdout]     |                  ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_right` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:530:34
[INFO] [stdout]     |
[INFO] [stdout] 530 |             let (X_left, y_left, X_right, y_right) = Self::divide_on_categorical_feature(
[INFO] [stdout]     |                                  ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:554:9
[INFO] [stdout]     |
[INFO] [stdout] 554 |         X: &[Vec<f64>],
[INFO] [stdout]     |         ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_left` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:559:17
[INFO] [stdout]     |
[INFO] [stdout] 559 |         let mut X_left = Vec::new();
[INFO] [stdout]     |                 ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_right` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:561:17
[INFO] [stdout]     |
[INFO] [stdout] 561 |         let mut X_right = Vec::new();
[INFO] [stdout]     |                 ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/classification_tree.rs:231:27
[INFO] [stdout]     |
[INFO] [stdout] 231 |     pub fn fit(&mut self, X: Vec<Vec<f64>>, y: Vec<f64>) -> &mut Self {
[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/classification_tree.rs:243:27
[INFO] [stdout]     |
[INFO] [stdout] 243 |     pub fn predict(&self, X: Vec<Vec<f64>>) -> Vec<f64> {
[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/regression_tree.rs:125:27
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub fn fit(&mut self, X: Vec<Vec<f64>>, y: Vec<f64>) -> &mut Self {
[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/regression_tree.rs:137:27
[INFO] [stdout]     |
[INFO] [stdout] 137 |     pub fn predict(&self, X: Vec<Vec<f64>>) -> Vec<f64> {
[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/utils.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     X: Vec<Vec<f64>>, 
[INFO] [stdout]    |     ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_train` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let mut X_train = Vec::with_capacity(train_samples);
[INFO] [stdout]    |             ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_train`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_test` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let mut X_test = Vec::with_capacity(test_samples);
[INFO] [stdout]    |             ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stdout] warning: unused imports: `Hash` and `Hasher`
[INFO] [stdout]  --> src/classification_tree.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::hash::{Hash, Hasher};
[INFO] [stdout]   |                 ^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]   --> tests/tree_tests.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let X = vec![
[INFO] [stdout]    |         ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_train` should have a snake case name
[INFO] [stdout]   --> tests/tree_tests.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let (X_train, X_test, y_train, y_test) = train_test_split(X, y, 0.33);
[INFO] [stdout]    |          ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_train`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_test` should have a snake case name
[INFO] [stdout]   --> tests/tree_tests.rs:24:19
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let (X_train, X_test, y_train, y_test) = train_test_split(X, y, 0.33);
[INFO] [stdout]    |                   ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]   --> tests/tree_tests.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let X = vec![
[INFO] [stdout]    |         ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_train` should have a snake case name
[INFO] [stdout]   --> tests/tree_tests.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |     let X_train = X.clone();
[INFO] [stdout]    |         ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_train`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_test` should have a snake case name
[INFO] [stdout]   --> tests/tree_tests.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let X_test = X.clone();
[INFO] [stdout]    |         ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> tests/tree_tests.rs:139:9
[INFO] [stdout]     |
[INFO] [stdout] 139 |     let X = vec![
[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/decision_tree.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |         X: &[Vec<f64>], 
[INFO] [stdout]     |         ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_left` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:167:17
[INFO] [stdout]     |
[INFO] [stdout] 167 |         let mut X_left = Vec::new();
[INFO] [stdout]     |                 ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_right` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:169:17
[INFO] [stdout]     |
[INFO] [stdout] 169 |         let mut X_right = Vec::new();
[INFO] [stdout]     |                 ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:194:39
[INFO] [stdout]     |
[INFO] [stdout] 194 |     pub fn build_tree_parallel(&self, X: &[Vec<f64>], y: &[f64], current_depth: usize) -> DecisionNode {
[INFO] [stdout]     |                                       ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_left` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:216:30
[INFO] [stdout]     |
[INFO] [stdout] 216 |                         let (X_left, y_left, X_right, y_right) = 
[INFO] [stdout]     |                              ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_right` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:216:46
[INFO] [stdout]     |
[INFO] [stdout] 216 |                         let (X_left, y_left, X_right, y_right) = 
[INFO] [stdout]     |                                              ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_left` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:252:18
[INFO] [stdout]     |
[INFO] [stdout] 252 |             let (X_left, y_left, X_right, y_right) = best_sets.unwrap();
[INFO] [stdout]     |                  ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_right` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:252:34
[INFO] [stdout]     |
[INFO] [stdout] 252 |             let (X_left, y_left, X_right, y_right) = best_sets.unwrap();
[INFO] [stdout]     |                                  ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:281:27
[INFO] [stdout]     |
[INFO] [stdout] 281 |     pub fn fit(&mut self, X: Vec<Vec<f64>>, y: Vec<f64>) -> &mut Self {
[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/decision_tree.rs:292:27
[INFO] [stdout]     |
[INFO] [stdout] 292 |     pub fn predict(&self, X: Vec<Vec<f64>>) -> Vec<f64> {
[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/decision_tree.rs:399:9
[INFO] [stdout]     |
[INFO] [stdout] 399 |         X: &[Vec<f64>],
[INFO] [stdout]     |         ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_left` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:442:18
[INFO] [stdout]     |
[INFO] [stdout] 442 |             let (X_left, y_left, X_right, y_right) = best_sets.unwrap();
[INFO] [stdout]     |                  ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_right` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:442:34
[INFO] [stdout]     |
[INFO] [stdout] 442 |             let (X_left, y_left, X_right, y_right) = best_sets.unwrap();
[INFO] [stdout]     |                                  ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:472:9
[INFO] [stdout]     |
[INFO] [stdout] 472 |         X: &[Vec<f64>],
[INFO] [stdout]     |         ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_left` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:497:18
[INFO] [stdout]     |
[INFO] [stdout] 497 |             let (X_left, y_left, X_right, y_right) = Self::divide_on_feature(X, y, feature_i, threshold);
[INFO] [stdout]     |                  ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_right` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:497:34
[INFO] [stdout]     |
[INFO] [stdout] 497 |             let (X_left, y_left, X_right, y_right) = Self::divide_on_feature(X, y, feature_i, threshold);
[INFO] [stdout]     |                                  ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:520:9
[INFO] [stdout]     |
[INFO] [stdout] 520 |         X: &[Vec<f64>],
[INFO] [stdout]     |         ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_left` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:530:18
[INFO] [stdout]     |
[INFO] [stdout] 530 |             let (X_left, y_left, X_right, y_right) = Self::divide_on_categorical_feature(
[INFO] [stdout]     |                  ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_right` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:530:34
[INFO] [stdout]     |
[INFO] [stdout] 530 |             let (X_left, y_left, X_right, y_right) = Self::divide_on_categorical_feature(
[INFO] [stdout]     |                                  ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:554:9
[INFO] [stdout]     |
[INFO] [stdout] 554 |         X: &[Vec<f64>],
[INFO] [stdout]     |         ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_left` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:559:17
[INFO] [stdout]     |
[INFO] [stdout] 559 |         let mut X_left = Vec::new();
[INFO] [stdout]     |                 ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_right` should have a snake case name
[INFO] [stdout]    --> src/decision_tree.rs:561:17
[INFO] [stdout]     |
[INFO] [stdout] 561 |         let mut X_right = Vec::new();
[INFO] [stdout]     |                 ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/classification_tree.rs:231:27
[INFO] [stdout]     |
[INFO] [stdout] 231 |     pub fn fit(&mut self, X: Vec<Vec<f64>>, y: Vec<f64>) -> &mut Self {
[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/classification_tree.rs:243:27
[INFO] [stdout]     |
[INFO] [stdout] 243 |     pub fn predict(&self, X: Vec<Vec<f64>>) -> Vec<f64> {
[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/regression_tree.rs:125:27
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub fn fit(&mut self, X: Vec<Vec<f64>>, y: Vec<f64>) -> &mut Self {
[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/regression_tree.rs:137:27
[INFO] [stdout]     |
[INFO] [stdout] 137 |     pub fn predict(&self, X: Vec<Vec<f64>>) -> Vec<f64> {
[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/utils.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     X: Vec<Vec<f64>>, 
[INFO] [stdout]    |     ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_train` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let mut X_train = Vec::with_capacity(train_samples);
[INFO] [stdout]    |             ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_train`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_test` should have a snake case name
[INFO] [stdout]   --> src/utils.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let mut X_test = Vec::with_capacity(test_samples);
[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 10.70s
[INFO] running `Command { std: "docker" "inspect" "9267e3a7b6d9f584607fdf18093a9601ce9b35f61a94cf555db467d6cdaf61c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9267e3a7b6d9f584607fdf18093a9601ce9b35f61a94cf555db467d6cdaf61c3", kill_on_drop: false }`
[INFO] [stdout] 9267e3a7b6d9f584607fdf18093a9601ce9b35f61a94cf555db467d6cdaf61c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4e48c5670cf4500590ba8746bf3591bc4b9225ee87e642b8f3bf1b59fbe32b13
[INFO] running `Command { std: "docker" "start" "-a" "4e48c5670cf4500590ba8746bf3591bc4b9225ee87e642b8f3bf1b59fbe32b13", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Hash` and `Hasher`
[INFO] [stderr]  --> src/classification_tree.rs:4:17
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::hash::{Hash, Hasher};
[INFO] [stderr]   |                 ^^^^  ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X` should have a snake case name
[INFO] [stderr]    --> src/decision_tree.rs:162:9
[INFO] [stderr]     |
[INFO] [stderr] 162 |         X: &[Vec<f64>], 
[INFO] [stderr]     |         ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X_left` should have a snake case name
[INFO] [stderr]    --> src/decision_tree.rs:167:17
[INFO] [stderr]     |
[INFO] [stderr] 167 |         let mut X_left = Vec::new();
[INFO] [stderr]     |                 ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_left`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X_right` should have a snake case name
[INFO] [stderr]    --> src/decision_tree.rs:169:17
[INFO] [stderr]     |
[INFO] [stderr] 169 |         let mut X_right = Vec::new();
[INFO] [stderr]     |                 ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_right`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X` should have a snake case name
[INFO] [stderr]    --> src/decision_tree.rs:194:39
[INFO] [stderr]     |
[INFO] [stderr] 194 |     pub fn build_tree_parallel(&self, X: &[Vec<f64>], y: &[f64], current_depth: usize) -> DecisionNode {
[INFO] [stderr]     |                                       ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X_left` should have a snake case name
[INFO] [stderr]    --> src/decision_tree.rs:216:30
[INFO] [stderr]     |
[INFO] [stderr] 216 |                         let (X_left, y_left, X_right, y_right) = 
[INFO] [stderr]     |                              ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_left`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X_right` should have a snake case name
[INFO] [stderr]    --> src/decision_tree.rs:216:46
[INFO] [stderr]     |
[INFO] [stderr] 216 |                         let (X_left, y_left, X_right, y_right) = 
[INFO] [stderr]     |                                              ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_right`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X_left` should have a snake case name
[INFO] [stderr]    --> src/decision_tree.rs:252:18
[INFO] [stderr]     |
[INFO] [stderr] 252 |             let (X_left, y_left, X_right, y_right) = best_sets.unwrap();
[INFO] [stderr]     |                  ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_left`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X_right` should have a snake case name
[INFO] [stderr]    --> src/decision_tree.rs:252:34
[INFO] [stderr]     |
[INFO] [stderr] 252 |             let (X_left, y_left, X_right, y_right) = best_sets.unwrap();
[INFO] [stderr]     |                                  ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_right`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X` should have a snake case name
[INFO] [stderr]    --> src/decision_tree.rs:281:27
[INFO] [stderr]     |
[INFO] [stderr] 281 |     pub fn fit(&mut self, X: Vec<Vec<f64>>, y: Vec<f64>) -> &mut Self {
[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/decision_tree.rs:292:27
[INFO] [stderr]     |
[INFO] [stderr] 292 |     pub fn predict(&self, X: Vec<Vec<f64>>) -> Vec<f64> {
[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/decision_tree.rs:399:9
[INFO] [stderr]     |
[INFO] [stderr] 399 |         X: &[Vec<f64>],
[INFO] [stderr]     |         ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X_left` should have a snake case name
[INFO] [stderr]    --> src/decision_tree.rs:442:18
[INFO] [stderr]     |
[INFO] [stderr] 442 |             let (X_left, y_left, X_right, y_right) = best_sets.unwrap();
[INFO] [stderr]     |                  ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_left`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X_right` should have a snake case name
[INFO] [stderr]    --> src/decision_tree.rs:442:34
[INFO] [stderr]     |
[INFO] [stderr] 442 |             let (X_left, y_left, X_right, y_right) = best_sets.unwrap();
[INFO] [stderr]     |                                  ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_right`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X` should have a snake case name
[INFO] [stderr]    --> src/decision_tree.rs:472:9
[INFO] [stderr]     |
[INFO] [stderr] 472 |         X: &[Vec<f64>],
[INFO] [stderr]     |         ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X_left` should have a snake case name
[INFO] [stderr]    --> src/decision_tree.rs:497:18
[INFO] [stderr]     |
[INFO] [stderr] 497 |             let (X_left, y_left, X_right, y_right) = Self::divide_on_feature(X, y, feature_i, threshold);
[INFO] [stderr]     |                  ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_left`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X_right` should have a snake case name
[INFO] [stderr]    --> src/decision_tree.rs:497:34
[INFO] [stderr]     |
[INFO] [stderr] 497 |             let (X_left, y_left, X_right, y_right) = Self::divide_on_feature(X, y, feature_i, threshold);
[INFO] [stderr]     |                                  ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_right`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X` should have a snake case name
[INFO] [stderr]    --> src/decision_tree.rs:520:9
[INFO] [stderr]     |
[INFO] [stderr] 520 |         X: &[Vec<f64>],
[INFO] [stderr]     |         ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X_left` should have a snake case name
[INFO] [stderr]    --> src/decision_tree.rs:530:18
[INFO] [stderr]     |
[INFO] [stderr] 530 |             let (X_left, y_left, X_right, y_right) = Self::divide_on_categorical_feature(
[INFO] [stderr]     |                  ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_left`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X_right` should have a snake case name
[INFO] [stderr]    --> src/decision_tree.rs:530:34
[INFO] [stderr]     |
[INFO] [stderr] 530 |             let (X_left, y_left, X_right, y_right) = Self::divide_on_categorical_feature(
[INFO] [stderr]     |                                  ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_right`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X` should have a snake case name
[INFO] [stderr]    --> src/decision_tree.rs:554:9
[INFO] [stderr]     |
[INFO] [stderr] 554 |         X: &[Vec<f64>],
[INFO] [stderr]     |         ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X_left` should have a snake case name
[INFO] [stderr]    --> src/decision_tree.rs:559:17
[INFO] [stderr]     |
[INFO] [stderr] 559 |         let mut X_left = Vec::new();
[INFO] [stderr]     |                 ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_left`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X_right` should have a snake case name
[INFO] [stderr]    --> src/decision_tree.rs:561:17
[INFO] [stderr]     |
[INFO] [stderr] 561 |         let mut X_right = Vec::new();
[INFO] [stderr]     |                 ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_right`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X` should have a snake case name
[INFO] [stderr]    --> src/classification_tree.rs:231:27
[INFO] [stderr]     |
[INFO] [stderr] 231 |     pub fn fit(&mut self, X: Vec<Vec<f64>>, y: Vec<f64>) -> &mut Self {
[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/classification_tree.rs:243:27
[INFO] [stderr]     |
[INFO] [stderr] 243 |     pub fn predict(&self, X: Vec<Vec<f64>>) -> Vec<f64> {
[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/regression_tree.rs:125:27
[INFO] [stderr]     |
[INFO] [stderr] 125 |     pub fn fit(&mut self, X: Vec<Vec<f64>>, y: Vec<f64>) -> &mut Self {
[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/regression_tree.rs:137:27
[INFO] [stderr]     |
[INFO] [stderr] 137 |     pub fn predict(&self, X: Vec<Vec<f64>>) -> Vec<f64> {
[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/utils.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     X: Vec<Vec<f64>>, 
[INFO] [stderr]    |     ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X_train` should have a snake case name
[INFO] [stderr]   --> src/utils.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let mut X_train = Vec::with_capacity(train_samples);
[INFO] [stderr]    |             ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_train`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X_test` should have a snake case name
[INFO] [stderr]   --> src/utils.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let mut X_test = Vec::with_capacity(test_samples);
[INFO] [stderr]    |             ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_test`
[INFO] [stderr] 
[INFO] [stderr] warning: `decision_tree` (lib) generated 30 warnings (run `cargo fix --lib -p decision_tree` to apply 1 suggestion)
[INFO] [stderr] warning: variable `X` should have a snake case name
[INFO] [stderr]   --> tests/tree_tests.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let X = vec![
[INFO] [stderr]    |         ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X_train` should have a snake case name
[INFO] [stderr]   --> tests/tree_tests.rs:24:10
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let (X_train, X_test, y_train, y_test) = train_test_split(X, y, 0.33);
[INFO] [stderr]    |          ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_train`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X_test` should have a snake case name
[INFO] [stderr]   --> tests/tree_tests.rs:24:19
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let (X_train, X_test, y_train, y_test) = train_test_split(X, y, 0.33);
[INFO] [stderr]    |                   ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_test`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X` should have a snake case name
[INFO] [stderr]   --> tests/tree_tests.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |     let X = vec![
[INFO] [stderr]    |         ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X_train` should have a snake case name
[INFO] [stderr]   --> tests/tree_tests.rs:81:9
[INFO] [stderr]    |
[INFO] [stderr] 81 |     let X_train = X.clone();
[INFO] [stderr]    |         ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_train`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X_test` should have a snake case name
[INFO] [stderr]   --> tests/tree_tests.rs:83:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |     let X_test = X.clone();
[INFO] [stderr]    |         ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_test`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X` should have a snake case name
[INFO] [stderr]    --> tests/tree_tests.rs:139:9
[INFO] [stderr]     |
[INFO] [stderr] 139 |     let X = vec![
[INFO] [stderr]     |         ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stderr] 
[INFO] [stderr] warning: `decision_tree` (lib test) generated 30 warnings (30 duplicates)
[INFO] [stderr] warning: `decision_tree` (test "tree_tests") generated 7 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/decision_tree-a10cb593d6fb0061)
[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/tree_tests.rs (/opt/rustwide/target/debug/deps/tree_tests-fdfe669d09997ad8)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_builder_pattern ... ok
[INFO] [stdout] test test_classification_tree ... ok
[INFO] [stdout] test test_regression_tree ... ok
[INFO] [stdout] test test_export_graphviz ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test_export_graphviz stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'test_export_graphviz' (28) panicked at tests/tree_tests.rs:162:5:
[INFO] [stdout] assertion failed: result.is_ok()
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5674bc6520e2 - std::backtrace_rs::backtrace::libunwind::trace::h16affffe904e891e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5674bc6520e2 - std::backtrace_rs::backtrace::trace_unsynchronized::h5c14b13373ed4150
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5674bc6520e2 - std::sys::backtrace::_print_fmt::hcbb507f162c816cc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5674bc6520e2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8be9aa933f14675f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5674bc66217f - core::fmt::rt::Argument::fmt::h30ed739d33467c3a
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5674bc66217f - core::fmt::write::hfd0efbb002ac7eea
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x5674bc61f783 - std::io::default_write_fmt::hd6d24501f2d7f8d3
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5674bc61f783 - std::io::Write::write_fmt::h79eca2f72fc24111
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5674bc62b762 - std::sys::backtrace::BacktraceLock::print::hf2554f6030d393f7
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5674bc63028f - std::panicking::default_hook::{{closure}}::h8873121c56335b01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x5674bc630121 - std::panicking::default_hook::hbafefc2d196267a2
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x5674bc5942be - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::ha834d5846f91b30b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   12:     0x5674bc5942be - test::test_main_with_exit_callback::{{closure}}::h63c167737eecb025
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5674bc63094f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbf9b0f7a281291fd
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   14:     0x5674bc63094f - std::panicking::panic_with_hook::h9f5b09d5adc1a745
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x5674bc6306c6 - std::panicking::panic_handler::{{closure}}::h08111e483bdf6a89
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:700:13
[INFO] [stdout]   16:     0x5674bc62b899 - std::sys::backtrace::__rust_end_short_backtrace::h1b86e3414ecbbe8d
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5674bc613f3d - __rustc[b292c645e8102103]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x5674bc669ca0 - core::panicking::panic_fmt::h31cc490ecc8cc1fa
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5674bc669c7c - core::panicking::panic::h5cbcc2ceb0950681
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x5674bc56cb6c - tree_tests::test_export_graphviz::h10a969f74f4b9904
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/tree_tests.rs:162:5
[INFO] [stdout]   21:     0x5674bc56cc47 - tree_tests::test_export_graphviz::{{closure}}::hf7ca832af9f08f37
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/tree_tests.rs:138:26
[INFO] [stdout]   22:     0x5674bc5711f6 - core::ops::function::FnOnce::call_once::h8a617de2cfd867a4
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5674bc5940bb - core::ops::function::FnOnce::call_once::h2b2de5fdd23aab3e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5674bc5940bb - test::__rust_begin_short_backtrace::he551dd004770be01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:663:18
[INFO] [stdout]   25:     0x5674bc5a811d - test::run_test_in_process::{{closure}}::h5f0b44080a35ed87
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:74
[INFO] [stdout]   26:     0x5674bc5a811d - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4dbf65d14893ecf5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   27:     0x5674bc5a811d - std::panicking::catch_unwind::do_call::hc37c563b8a006285
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   28:     0x5674bc5a811d - std::panicking::catch_unwind::h616b6e2e7a27f612
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   29:     0x5674bc5a811d - std::panic::catch_unwind::h1e788dd57758e6d8
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x5674bc5a811d - test::run_test_in_process::hf073c2764f29f8ad
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:27
[INFO] [stdout]   31:     0x5674bc5a811d - test::run_test::{{closure}}::h3dc46b7a0c340fa6
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:607:43
[INFO] [stdout]   32:     0x5674bc581664 - test::run_test::{{closure}}::h6a4da3c57ef4505f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:637:41
[INFO] [stdout]   33:     0x5674bc581664 - std::sys::backtrace::__rust_begin_short_backtrace::hfd8e44bc311a5d57
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   34:     0x5674bc584eba - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h57c4ddec344fe24c
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:562:17
[INFO] [stdout]   35:     0x5674bc584eba - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd7cbe09591f06dfb
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   36:     0x5674bc584eba - std::panicking::catch_unwind::do_call::hdcd076e8e993dfbc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   37:     0x5674bc584eba - std::panicking::catch_unwind::h8f9f675f3756eab1
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   38:     0x5674bc584eba - std::panic::catch_unwind::he8f74a93abeceb9b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5674bc584eba - std::thread::Builder::spawn_unchecked_::{{closure}}::he43db13a2caa41d5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:560:30
[INFO] [stdout]   40:     0x5674bc584eba - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8f3531a7e0d83514
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x5674bc626c9f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ff05134d80ef20e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2085:9
[INFO] [stdout]   42:     0x5674bc626c9f - std::sys::thread::unix::Thread::new::thread_start::h9a4a41a076a486e0
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/thread/unix.rs:124:17
[INFO] [stdout]   43:     0x7c0e2368baa4 - <unknown>
[INFO] [stdout]   44:     0x7c0e23718a64 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test_export_graphviz
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test tree_tests`
[INFO] running `Command { std: "docker" "inspect" "4e48c5670cf4500590ba8746bf3591bc4b9225ee87e642b8f3bf1b59fbe32b13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e48c5670cf4500590ba8746bf3591bc4b9225ee87e642b8f3bf1b59fbe32b13", kill_on_drop: false }`
[INFO] [stdout] 4e48c5670cf4500590ba8746bf3591bc4b9225ee87e642b8f3bf1b59fbe32b13
