[INFO] fetching crate pkboost 2.2.0...
[INFO] testing pkboost-2.2.0 against 1.95.0 for beta-1.96-2
[INFO] extracting crate pkboost 2.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate pkboost 2.2.0
[INFO] finished tweaking crates.io crate pkboost 2.2.0
[INFO] tweaked toml for crates.io crate pkboost 2.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pkboost 2.2.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate pkboost 2.2.0 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] [stdout] e77d508eb203402974ffc2394c596f4651a736885c080ccadcb16cefdc196cf0
[INFO] running `Command { std: "docker" "start" "-a" "e77d508eb203402974ffc2394c596f4651a736885c080ccadcb16cefdc196cf0", kill_on_drop: false }`
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[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling pkboost v2.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/fork_parallel.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | / /// Thread-local pool for ForkUnion operations
[INFO] [stdout] 11 | | /// Uses RefCell instead of Mutex for zero synchronization overhead
[INFO] [stdout] 12 | | /// SAFETY: ForkUnion dispatches from the calling thread, workers are internal
[INFO] [stdout]    | |_-----------------------------------------------------------------------------^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::fork_parallel::pfor_zip_map`
[INFO] [stdout]  --> src/optimized_data.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::fork_parallel::pfor_zip_map;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Axis`
[INFO] [stdout]  --> src/optimized_data.rs:2:55
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ndarray::{Array1, Array2, ArrayView1, ArrayView2, Axis};
[INFO] [stdout]   |                                                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `batch_idx`
[INFO] [stdout]    --> src/histogram_builder.rs:255:18
[INFO] [stdout]     |
[INFO] [stdout] 255 |             for (batch_idx, chunk_start) in (0..n_samples).step_by(batch_size).enumerate() {
[INFO] [stdout]     |                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_batch_idx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `create_adaptive_bins` is never used
[INFO] [stdout]    --> src/histogram_builder.rs:144:8
[INFO] [stdout]     |
[INFO] [stdout]  13 | impl OptimizedHistogramBuilder {
[INFO] [stdout]     | ------------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 144 |     fn create_adaptive_bins(&self, sorted_values: &[f64]) -> Vec<f64> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `use_weighted_ensemble` is never read
[INFO] [stdout]   --> src/partitioned_classifier.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct PartitionedClassifier {
[INFO] [stdout]    |            --------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 54 |     use_weighted_ensemble: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 16s
[INFO] running `Command { std: "docker" "inspect" "e77d508eb203402974ffc2394c596f4651a736885c080ccadcb16cefdc196cf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e77d508eb203402974ffc2394c596f4651a736885c080ccadcb16cefdc196cf0", kill_on_drop: false }`
[INFO] [stdout] e77d508eb203402974ffc2394c596f4651a736885c080ccadcb16cefdc196cf0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 677e443b2b310d93185dfea6b7f28c328502bab446ee8423a2ff053aa8a9294d
[INFO] running `Command { std: "docker" "start" "-a" "677e443b2b310d93185dfea6b7f28c328502bab446ee8423a2ff053aa8a9294d", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkboost v2.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/fork_parallel.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | / /// Thread-local pool for ForkUnion operations
[INFO] [stdout] 11 | | /// Uses RefCell instead of Mutex for zero synchronization overhead
[INFO] [stdout] 12 | | /// SAFETY: ForkUnion dispatches from the calling thread, workers are internal
[INFO] [stdout]    | |_-----------------------------------------------------------------------------^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::fork_parallel::pfor_zip_map`
[INFO] [stdout]  --> src/optimized_data.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::fork_parallel::pfor_zip_map;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Axis`
[INFO] [stdout]  --> src/optimized_data.rs:2:55
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ndarray::{Array1, Array2, ArrayView1, ArrayView2, Axis};
[INFO] [stdout]   |                                                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `batch_idx`
[INFO] [stdout]    --> src/histogram_builder.rs:255:18
[INFO] [stdout]     |
[INFO] [stdout] 255 |             for (batch_idx, chunk_start) in (0..n_samples).step_by(batch_size).enumerate() {
[INFO] [stdout]     |                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_batch_idx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `create_adaptive_bins` is never used
[INFO] [stdout]    --> src/histogram_builder.rs:144:8
[INFO] [stdout]     |
[INFO] [stdout]  13 | impl OptimizedHistogramBuilder {
[INFO] [stdout]     | ------------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 144 |     fn create_adaptive_bins(&self, sorted_values: &[f64]) -> Vec<f64> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `use_weighted_ensemble` is never read
[INFO] [stdout]   --> src/partitioned_classifier.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct PartitionedClassifier {
[INFO] [stdout]    |            --------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 54 |     use_weighted_ensemble: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/fork_parallel.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | / /// Thread-local pool for ForkUnion operations
[INFO] [stdout] 11 | | /// Uses RefCell instead of Mutex for zero synchronization overhead
[INFO] [stdout] 12 | | /// SAFETY: ForkUnion dispatches from the calling thread, workers are internal
[INFO] [stdout]    | |_-----------------------------------------------------------------------------^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::fork_parallel::pfor_zip_map`
[INFO] [stdout]  --> src/optimized_data.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::fork_parallel::pfor_zip_map;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Axis`
[INFO] [stdout]  --> src/optimized_data.rs:2:55
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ndarray::{Array1, Array2, ArrayView1, ArrayView2, Axis};
[INFO] [stdout]   |                                                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `batch_idx`
[INFO] [stdout]    --> src/histogram_builder.rs:255:18
[INFO] [stdout]     |
[INFO] [stdout] 255 |             for (batch_idx, chunk_start) in (0..n_samples).step_by(batch_size).enumerate() {
[INFO] [stdout]     |                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_batch_idx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `create_adaptive_bins` is never used
[INFO] [stdout]    --> src/histogram_builder.rs:144:8
[INFO] [stdout]     |
[INFO] [stdout]  13 | impl OptimizedHistogramBuilder {
[INFO] [stdout]     | ------------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 144 |     fn create_adaptive_bins(&self, sorted_values: &[f64]) -> Vec<f64> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `use_weighted_ensemble` is never read
[INFO] [stdout]   --> src/partitioned_classifier.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct PartitionedClassifier {
[INFO] [stdout]    |            --------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 54 |     use_weighted_ensemble: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.30s
[INFO] running `Command { std: "docker" "inspect" "677e443b2b310d93185dfea6b7f28c328502bab446ee8423a2ff053aa8a9294d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "677e443b2b310d93185dfea6b7f28c328502bab446ee8423a2ff053aa8a9294d", kill_on_drop: false }`
[INFO] [stdout] 677e443b2b310d93185dfea6b7f28c328502bab446ee8423a2ff053aa8a9294d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2e63ff7b4482a1927e1aaeda2e971f6a59b3d8bfe2244dff77530ed506b67c52
[INFO] running `Command { std: "docker" "start" "-a" "2e63ff7b4482a1927e1aaeda2e971f6a59b3d8bfe2244dff77530ed506b67c52", kill_on_drop: false }`
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/fork_parallel.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | / /// Thread-local pool for ForkUnion operations
[INFO] [stderr] 11 | | /// Uses RefCell instead of Mutex for zero synchronization overhead
[INFO] [stderr] 12 | | /// SAFETY: ForkUnion dispatches from the calling thread, workers are internal
[INFO] [stderr]    | |_-----------------------------------------------------------------------------^
[INFO] [stderr]    |   |
[INFO] [stderr]    |   rustdoc does not generate documentation for macro invocations
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::fork_parallel::pfor_zip_map`
[INFO] [stderr]  --> src/optimized_data.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::fork_parallel::pfor_zip_map;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Axis`
[INFO] [stderr]  --> src/optimized_data.rs:2:55
[INFO] [stderr]   |
[INFO] [stderr] 2 | use ndarray::{Array1, Array2, ArrayView1, ArrayView2, Axis};
[INFO] [stderr]   |                                                       ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `batch_idx`
[INFO] [stderr]    --> src/histogram_builder.rs:255:18
[INFO] [stderr]     |
[INFO] [stderr] 255 |             for (batch_idx, chunk_start) in (0..n_samples).step_by(batch_size).enumerate() {
[INFO] [stderr]     |                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_batch_idx`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `create_adaptive_bins` is never used
[INFO] [stderr]    --> src/histogram_builder.rs:144:8
[INFO] [stderr]     |
[INFO] [stderr]  13 | impl OptimizedHistogramBuilder {
[INFO] [stderr]     | ------------------------------ method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 144 |     fn create_adaptive_bins(&self, sorted_values: &[f64]) -> Vec<f64> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `use_weighted_ensemble` is never read
[INFO] [stderr]   --> src/partitioned_classifier.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 43 | pub struct PartitionedClassifier {
[INFO] [stderr]    |            --------------------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 54 |     use_weighted_ensemble: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `pkboost` (lib) generated 6 warnings (run `cargo fix --lib -p pkboost` to apply 3 suggestions)
[INFO] [stderr] warning: `pkboost` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pkboost-253913561f862198)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test fork_parallel::tests::test_cache_aligned ... ok
[INFO] [stdout] test precision::tests::test_adaptive_dot_product ... ok
[INFO] [stdout] test loss::tests::test_poisson_loss ... ok
[INFO] [stdout] test precision::tests::test_progressive_buffer ... ok
[INFO] [stdout] test tree::tests::test_leaf_node ... ok
[INFO] [stdout] test tree::tests::test_prediction_logic ... ok
[INFO] [stdout] test tree::tests::test_tree_creation ... ok
[INFO] [stdout] test precision::tests::test_precision_levels ... ok
[INFO] [stdout] test fork_parallel::tests::test_pfor_range_map ... ok
[INFO] [stdout] test fork_parallel::tests::test_pfor_map ... ok
[INFO] [stdout] test fork_parallel::tests::test_pfor_zip_map ... ok
[INFO] [stdout] test fork_parallel::tests::test_pfor_dynamic_map ... ok
[INFO] [stdout] test huber_loss::tests::test_huber_gradient ... ok
[INFO] [stdout] test loss::tests::test_poisson_gradient ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pkboost
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/fork_parallel.rs - fork_parallel::pfor_map (line 70) ... ignored
[INFO] [stdout] test src/lib.rs - (line 111) - compile ... FAILED
[INFO] [stdout] test src/lib.rs - (line 141) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 24) - compile ... FAILED
[INFO] [stdout] test src/lib.rs - (line 80) - compile ... FAILED
[INFO] [stdout] test src/lib.rs - (line 183) - compile ... FAILED
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stdout] test src/lib.rs - (line 54) - compile ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 111) stdout ----
[INFO] [stdout] error[E0308]: arguments to this function are incorrect
[INFO] [stdout]    --> src/lib.rs:120:21
[INFO] [stdout]     |
[INFO] [stdout] 120 |     let mut model = AdversarialLivingBooster::new(&x_train, &y_train);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: expected `ArrayBase<ViewRepr<&f64>, ..., f64>`, found `&Vec<Vec<f64>>`
[INFO] [stdout]    --> src/lib.rs:120:51
[INFO] [stdout]     |
[INFO] [stdout] 120 |     let mut model = AdversarialLivingBooster::new(&x_train, &y_train);
[INFO] [stdout]     |                                                   ^^^^^^^^
[INFO] [stdout]     = note: expected struct `ndarray::ArrayBase<ndarray::ViewRepr<&f64>, ndarray::dimension::dim::Dim<[usize; 2]>, f64>`
[INFO] [stdout]             found reference `&Vec<Vec<f64>>`
[INFO] [stdout] note: expected `ArrayBase<ViewRepr<&f64>, ..., f64>`, found `&Vec<f64>`
[INFO] [stdout]    --> src/lib.rs:120:61
[INFO] [stdout]     |
[INFO] [stdout] 120 |     let mut model = AdversarialLivingBooster::new(&x_train, &y_train);
[INFO] [stdout]     |                                                             ^^^^^^^^
[INFO] [stdout]     = note: expected struct `ndarray::ArrayBase<ndarray::ViewRepr<&f64>, ndarray::dimension::dim::Dim<[usize; 1]>, f64>`
[INFO] [stdout]             found reference `&Vec<f64>`
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]    --> src/living_booster.rs:139:12
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub fn new(x_train: ArrayView2<'_, f64>, y_train: ArrayView1<'_, f64>) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] help: call `Into::into` on this expression to convert `&Vec<f64>` into `ndarray::ArrayBase<ndarray::ViewRepr<&f64>, ndarray::dimension::dim::Dim<[usize; 1]>, f64>`
[INFO] [stdout]     |
[INFO] [stdout] 120 |     let mut model = AdversarialLivingBooster::new(&x_train, (&y_train).into());
[INFO] [stdout]     |                                                             +        ++++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: arguments to this method are incorrect
[INFO] [stdout]    --> src/lib.rs:123:11
[INFO] [stdout]     |
[INFO] [stdout] 123 |     model.fit_initial(&x_train, &y_train, None, true)?;
[INFO] [stdout]     |           ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: expected `ArrayBase<ViewRepr<&f64>, ..., f64>`, found `&Vec<Vec<f64>>`
[INFO] [stdout]    --> src/lib.rs:123:23
[INFO] [stdout]     |
[INFO] [stdout] 123 |     model.fit_initial(&x_train, &y_train, None, true)?;
[INFO] [stdout]     |                       ^^^^^^^^
[INFO] [stdout]     = note: expected struct `ndarray::ArrayBase<ndarray::ViewRepr<&f64>, ndarray::dimension::dim::Dim<[usize; 2]>, f64>`
[INFO] [stdout]             found reference `&Vec<Vec<f64>>`
[INFO] [stdout] note: expected `ArrayBase<ViewRepr<&f64>, ..., f64>`, found `&Vec<f64>`
[INFO] [stdout]    --> src/lib.rs:123:33
[INFO] [stdout]     |
[INFO] [stdout] 123 |     model.fit_initial(&x_train, &y_train, None, true)?;
[INFO] [stdout]     |                                 ^^^^^^^^
[INFO] [stdout]     = note: expected struct `ndarray::ArrayBase<ndarray::ViewRepr<&f64>, ndarray::dimension::dim::Dim<[usize; 1]>, f64>`
[INFO] [stdout]             found reference `&Vec<f64>`
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> src/living_booster.rs:226:12
[INFO] [stdout]     |
[INFO] [stdout] 226 |     pub fn fit_initial(
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] help: call `Into::into` on this expression to convert `&Vec<f64>` into `ndarray::ArrayBase<ndarray::ViewRepr<&f64>, ndarray::dimension::dim::Dim<[usize; 1]>, f64>`
[INFO] [stdout]     |
[INFO] [stdout] 123 |     model.fit_initial(&x_train, (&y_train).into(), None, true)?;
[INFO] [stdout]     |                                 +        ++++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: arguments to this method are incorrect
[INFO] [stdout]    --> src/lib.rs:128:11
[INFO] [stdout]     |
[INFO] [stdout] 128 |     model.observe_batch(&x_new, &y_new, true)?;
[INFO] [stdout]     |           ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: expected `ArrayBase<ViewRepr<&f64>, ..., f64>`, found `&Vec<Vec<f64>>`
[INFO] [stdout]    --> src/lib.rs:128:25
[INFO] [stdout]     |
[INFO] [stdout] 128 |     model.observe_batch(&x_new, &y_new, true)?;
[INFO] [stdout]     |                         ^^^^^^
[INFO] [stdout]     = note: expected struct `ndarray::ArrayBase<ndarray::ViewRepr<&f64>, ndarray::dimension::dim::Dim<[usize; 2]>, f64>`
[INFO] [stdout]             found reference `&Vec<Vec<f64>>`
[INFO] [stdout] note: expected `ArrayBase<ViewRepr<&f64>, ..., f64>`, found `&Vec<f64>`
[INFO] [stdout]    --> src/lib.rs:128:33
[INFO] [stdout]     |
[INFO] [stdout] 128 |     model.observe_batch(&x_new, &y_new, true)?;
[INFO] [stdout]     |                                 ^^^^^^
[INFO] [stdout]     = note: expected struct `ndarray::ArrayBase<ndarray::ViewRepr<&f64>, ndarray::dimension::dim::Dim<[usize; 1]>, f64>`
[INFO] [stdout]             found reference `&Vec<f64>`
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> src/living_booster.rs:267:12
[INFO] [stdout]     |
[INFO] [stdout] 267 |     pub fn observe_batch(
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] help: call `Into::into` on this expression to convert `&Vec<f64>` into `ndarray::ArrayBase<ndarray::ViewRepr<&f64>, ndarray::dimension::dim::Dim<[usize; 1]>, f64>`
[INFO] [stdout]     |
[INFO] [stdout] 128 |     model.observe_batch(&x_new, (&y_new).into(), true)?;
[INFO] [stdout]     |                                 +      ++++++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 24) stdout ----
[INFO] [stdout] error[E0308]: arguments to this function are incorrect
[INFO] [stdout]    --> src/lib.rs:36:21
[INFO] [stdout]     |
[INFO] [stdout]  36 |     let mut model = OptimizedPKBoostShannon::auto(&x_train, &y_train);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: expected `ArrayBase<ViewRepr<&f64>, ..., f64>`, found `&Vec<Vec<f64>>`
[INFO] [stdout]    --> src/lib.rs:36:51
[INFO] [stdout]     |
[INFO] [stdout]  36 |     let mut model = OptimizedPKBoostShannon::auto(&x_train, &y_train);
[INFO] [stdout]     |                                                   ^^^^^^^^
[INFO] [stdout]     = note: expected struct `ndarray::ArrayBase<ndarray::ViewRepr<&f64>, ndarray::dimension::dim::Dim<[usize; 2]>, f64>`
[INFO] [stdout]             found reference `&Vec<Vec<f64>>`
[INFO] [stdout] note: expected `ArrayBase<ViewRepr<&f64>, ..., f64>`, found `&Vec<f64>`
[INFO] [stdout]    --> src/lib.rs:36:61
[INFO] [stdout]     |
[INFO] [stdout]  36 |     let mut model = OptimizedPKBoostShannon::auto(&x_train, &y_train);
[INFO] [stdout]     |                                                             ^^^^^^^^
[INFO] [stdout]     = note: expected struct `ndarray::ArrayBase<ndarray::ViewRepr<&f64>, ndarray::dimension::dim::Dim<[usize; 1]>, f64>`
[INFO] [stdout]             found reference `&Vec<f64>`
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]    --> src/model.rs:314:12
[INFO] [stdout]     |
[INFO] [stdout] 314 |     pub fn auto(x: ArrayView2<'_, f64>, y: ArrayView1<'_, f64>) -> Self {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] help: call `Into::into` on this expression to convert `&Vec<f64>` into `ndarray::ArrayBase<ndarray::ViewRepr<&f64>, ndarray::dimension::dim::Dim<[usize; 1]>, f64>`
[INFO] [stdout]     |
[INFO] [stdout]  36 |     let mut model = OptimizedPKBoostShannon::auto(&x_train, (&y_train).into());
[INFO] [stdout]     |                                                             +        ++++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: arguments to this method are incorrect
[INFO] [stdout]    --> src/lib.rs:39:11
[INFO] [stdout]     |
[INFO] [stdout]  39 |     model.fit(&x_train, &y_train, None, true)?;
[INFO] [stdout]     |           ^^^
[INFO] [stdout]     |
[INFO] [stdout] note: expected `ArrayBase<ViewRepr<&f64>, ..., f64>`, found `&Vec<Vec<f64>>`
[INFO] [stdout]    --> src/lib.rs:39:15
[INFO] [stdout]     |
[INFO] [stdout]  39 |     model.fit(&x_train, &y_train, None, true)?;
[INFO] [stdout]     |               ^^^^^^^^
[INFO] [stdout]     = note: expected struct `ndarray::ArrayBase<ndarray::ViewRepr<&f64>, ndarray::dimension::dim::Dim<[usize; 2]>, f64>`
[INFO] [stdout]             found reference `&Vec<Vec<f64>>`
[INFO] [stdout] note: expected `ArrayBase<ViewRepr<&f64>, ..., f64>`, found `&Vec<f64>`
[INFO] [stdout]    --> src/lib.rs:39:25
[INFO] [stdout]     |
[INFO] [stdout]  39 |     model.fit(&x_train, &y_train, None, true)?;
[INFO] [stdout]     |                         ^^^^^^^^
[INFO] [stdout]     = note: expected struct `ndarray::ArrayBase<ndarray::ViewRepr<&f64>, ndarray::dimension::dim::Dim<[usize; 1]>, f64>`
[INFO] [stdout]             found reference `&Vec<f64>`
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> src/model.rs:332:12
[INFO] [stdout]     |
[INFO] [stdout] 332 |     pub fn fit(
[INFO] [stdout]     |            ^^^
[INFO] [stdout] help: call `Into::into` on this expression to convert `&Vec<f64>` into `ndarray::ArrayBase<ndarray::ViewRepr<&f64>, ndarray::dimension::dim::Dim<[usize; 1]>, f64>`
[INFO] [stdout]     |
[INFO] [stdout]  39 |     model.fit(&x_train, (&y_train).into(), None, true)?;
[INFO] [stdout]     |                         +        ++++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:42:43
[INFO] [stdout]     |
[INFO] [stdout]  42 |     let predictions = model.predict_proba(&x_test)?;
[INFO] [stdout]     |                             ------------- ^^^^^^^ expected `ArrayBase<ViewRepr<&f64>, ..., f64>`, found `&Vec<Vec<f64>>`
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             arguments to this method are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `ndarray::ArrayBase<ndarray::ViewRepr<&f64>, ndarray::dimension::dim::Dim<[usize; 2]>, f64>`
[INFO] [stdout]             found reference `&Vec<Vec<f64>>`
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> src/model.rs:624:12
[INFO] [stdout]     |
[INFO] [stdout] 624 |     pub fn predict_proba(&self, x: ArrayView2<'_, f64>) -> Result<Array1<f64>, String> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:45:44
[INFO] [stdout]     |
[INFO] [stdout]  45 |     let pr_auc = calculate_pr_auc(&y_test, &predictions);
[INFO] [stdout]     |                  ----------------          ^^^^^^^^^^^^ expected `&[f64]`, found `&ArrayBase<OwnedRepr<f64>, ..., f64>`
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  arguments to this function are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&[f64]`
[INFO] [stdout]                found reference `&ndarray::ArrayBase<ndarray::data_repr::OwnedRepr<f64>, ndarray::dimension::dim::Dim<[usize; 1]>, f64>`
[INFO] [stdout] note: function defined here
[INFO] [stdout]    --> src/metrics.rs:124:8
[INFO] [stdout]     |
[INFO] [stdout] 124 | pub fn calculate_pr_auc(y_true: &[f64], y_scores: &[f64]) -> f64 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:46:46
[INFO] [stdout]     |
[INFO] [stdout]  46 |     let roc_auc = calculate_roc_auc(&y_test, &predictions);
[INFO] [stdout]     |                   -----------------          ^^^^^^^^^^^^ expected `&[f64]`, found `&ArrayBase<OwnedRepr<f64>, ..., f64>`
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   arguments to this function are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&[f64]`
[INFO] [stdout]                found reference `&ndarray::ArrayBase<ndarray::data_repr::OwnedRepr<f64>, ndarray::dimension::dim::Dim<[usize; 1]>, f64>`
[INFO] [stdout] note: function defined here
[INFO] [stdout]    --> src/metrics.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub fn calculate_roc_auc(y_true: &[f64], y_scores: &[f64]) -> f64 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 80) stdout ----
[INFO] [stdout] error[E0308]: arguments to this function are incorrect
[INFO] [stdout]    --> src/lib.rs:91:21
[INFO] [stdout]     |
[INFO] [stdout]  91 |     let mut model = PKBoostRegressor::auto(&x_train, &y_train);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: expected `ArrayBase<ViewRepr<&f64>, ..., f64>`, found `&Vec<Vec<f64>>`
[INFO] [stdout]    --> src/lib.rs:91:44
[INFO] [stdout]     |
[INFO] [stdout]  91 |     let mut model = PKBoostRegressor::auto(&x_train, &y_train);
[INFO] [stdout]     |                                            ^^^^^^^^
[INFO] [stdout]     = note: expected struct `ndarray::ArrayBase<ndarray::ViewRepr<&f64>, ndarray::dimension::dim::Dim<[usize; 2]>, f64>`
[INFO] [stdout]             found reference `&Vec<Vec<f64>>`
[INFO] [stdout] note: expected `ArrayBase<ViewRepr<&f64>, ..., f64>`, found `&Vec<f64>`
[INFO] [stdout]    --> src/lib.rs:91:54
[INFO] [stdout]     |
[INFO] [stdout]  91 |     let mut model = PKBoostRegressor::auto(&x_train, &y_train);
[INFO] [stdout]     |                                                      ^^^^^^^^
[INFO] [stdout]     = note: expected struct `ndarray::ArrayBase<ndarray::ViewRepr<&f64>, ndarray::dimension::dim::Dim<[usize; 1]>, f64>`
[INFO] [stdout]             found reference `&Vec<f64>`
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]    --> src/regression.rs:128:12
[INFO] [stdout]     |
[INFO] [stdout] 128 |     pub fn auto(x: ArrayView2<'_, f64>, y: ArrayView1<'_, f64>) -> Self {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] help: call `Into::into` on this expression to convert `&Vec<f64>` into `ndarray::ArrayBase<ndarray::ViewRepr<&f64>, ndarray::dimension::dim::Dim<[usize; 1]>, f64>`
[INFO] [stdout]     |
[INFO] [stdout]  91 |     let mut model = PKBoostRegressor::auto(&x_train, (&y_train).into());
[INFO] [stdout]     |                                                      +        ++++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: arguments to this method are incorrect
[INFO] [stdout]    --> src/lib.rs:94:11
[INFO] [stdout]     |
[INFO] [stdout]  94 |     model.fit(&x_train, &y_train, None, true)?;
[INFO] [stdout]     |           ^^^
[INFO] [stdout]     |
[INFO] [stdout] note: expected `ArrayBase<ViewRepr<&f64>, ..., f64>`, found `&Vec<Vec<f64>>`
[INFO] [stdout]    --> src/lib.rs:94:15
[INFO] [stdout]     |
[INFO] [stdout]  94 |     model.fit(&x_train, &y_train, None, true)?;
[INFO] [stdout]     |               ^^^^^^^^
[INFO] [stdout]     = note: expected struct `ndarray::ArrayBase<ndarray::ViewRepr<&f64>, ndarray::dimension::dim::Dim<[usize; 2]>, f64>`
[INFO] [stdout]             found reference `&Vec<Vec<f64>>`
[INFO] [stdout] note: expected `ArrayBase<ViewRepr<&f64>, ..., f64>`, found `&Vec<f64>`
[INFO] [stdout]    --> src/lib.rs:94:25
[INFO] [stdout]     |
[INFO] [stdout]  94 |     model.fit(&x_train, &y_train, None, true)?;
[INFO] [stdout]     |                         ^^^^^^^^
[INFO] [stdout]     = note: expected struct `ndarray::ArrayBase<ndarray::ViewRepr<&f64>, ndarray::dimension::dim::Dim<[usize; 1]>, f64>`
[INFO] [stdout]             found reference `&Vec<f64>`
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> src/regression.rs:171:12
[INFO] [stdout]     |
[INFO] [stdout] 171 |     pub fn fit(
[INFO] [stdout]     |            ^^^
[INFO] [stdout] help: call `Into::into` on this expression to convert `&Vec<f64>` into `ndarray::ArrayBase<ndarray::ViewRepr<&f64>, ndarray::dimension::dim::Dim<[usize; 1]>, f64>`
[INFO] [stdout]     |
[INFO] [stdout]  94 |     model.fit(&x_train, (&y_train).into(), None, true)?;
[INFO] [stdout]     |                         +        ++++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:97:37
[INFO] [stdout]     |
[INFO] [stdout]  97 |     let predictions = model.predict(&x_test)?;
[INFO] [stdout]     |                             ------- ^^^^^^^ expected `ArrayBase<ViewRepr<&f64>, ..., f64>`, found `&Vec<Vec<f64>>`
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             arguments to this method are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `ndarray::ArrayBase<ndarray::ViewRepr<&f64>, ndarray::dimension::dim::Dim<[usize; 2]>, f64>`
[INFO] [stdout]             found reference `&Vec<Vec<f64>>`
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> src/regression.rs:340:12
[INFO] [stdout]     |
[INFO] [stdout] 340 |     pub fn predict(&self, x: ArrayView2<'_, f64>) -> Result<Array1<f64>, String> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:100:40
[INFO] [stdout]     |
[INFO] [stdout] 100 |     let rmse = calculate_rmse(&y_test, &predictions);
[INFO] [stdout]     |                --------------          ^^^^^^^^^^^^ expected `&[f64]`, found `&ArrayBase<OwnedRepr<f64>, ..., f64>`
[INFO] [stdout]     |                |
[INFO] [stdout]     |                arguments to this function are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&[f64]`
[INFO] [stdout]                found reference `&ndarray::ArrayBase<ndarray::data_repr::OwnedRepr<f64>, ndarray::dimension::dim::Dim<[usize; 1]>, f64>`
[INFO] [stdout] note: function defined here
[INFO] [stdout]    --> src/regression.rs:454:8
[INFO] [stdout]     |
[INFO] [stdout] 454 | pub fn calculate_rmse(y_true: &[f64], y_pred: &[f64]) -> f64 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:101:36
[INFO] [stdout]     |
[INFO] [stdout] 101 |     let r2 = calculate_r2(&y_test, &predictions);
[INFO] [stdout]     |              ------------          ^^^^^^^^^^^^ expected `&[f64]`, found `&ArrayBase<OwnedRepr<f64>, ..., f64>`
[INFO] [stdout]     |              |
[INFO] [stdout]     |              arguments to this function are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&[f64]`
[INFO] [stdout]                found reference `&ndarray::ArrayBase<ndarray::data_repr::OwnedRepr<f64>, ndarray::dimension::dim::Dim<[usize; 1]>, f64>`
[INFO] [stdout] note: function defined here
[INFO] [stdout]    --> src/regression.rs:473:8
[INFO] [stdout]     |
[INFO] [stdout] 473 | pub fn calculate_r2(y_true: &[f64], y_pred: &[f64]) -> f64 {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 183) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `x_train` in this scope
[INFO] [stdout]    --> src/lib.rs:188:44
[INFO] [stdout]     |
[INFO] [stdout] 188 | let model = OptimizedPKBoostShannon::auto(&x_train, &y_train);
[INFO] [stdout]     |                                            ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `y_train` in this scope
[INFO] [stdout]    --> src/lib.rs:188:54
[INFO] [stdout]     |
[INFO] [stdout] 188 | let model = OptimizedPKBoostShannon::auto(&x_train, &y_train);
[INFO] [stdout]     |                                                      ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 54) stdout ----
[INFO] [stdout] error[E0308]: arguments to this method are incorrect
[INFO] [stdout]   --> src/lib.rs:67:11
[INFO] [stdout]    |
[INFO] [stdout] 67 |     model.fit(&x_train, &y_train, None, true)?;
[INFO] [stdout]    |           ^^^
[INFO] [stdout]    |
[INFO] [stdout] note: expected `ArrayBase<ViewRepr<&f64>, ..., f64>`, found `&Vec<Vec<f64>>`
[INFO] [stdout]   --> src/lib.rs:67:15
[INFO] [stdout]    |
[INFO] [stdout] 67 |     model.fit(&x_train, &y_train, None, true)?;
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout]    = note: expected struct `ndarray::ArrayBase<ndarray::ViewRepr<&f64>, ndarray::dimension::dim::Dim<[usize; 2]>, f64>`
[INFO] [stdout]            found reference `&Vec<Vec<f64>>`
[INFO] [stdout] note: expected `ArrayBase<ViewRepr<&f64>, ..., f64>`, found `&Vec<f64>`
[INFO] [stdout]   --> src/lib.rs:67:25
[INFO] [stdout]    |
[INFO] [stdout] 67 |     model.fit(&x_train, &y_train, None, true)?;
[INFO] [stdout]    |                         ^^^^^^^^
[INFO] [stdout]    = note: expected struct `ndarray::ArrayBase<ndarray::ViewRepr<&f64>, ndarray::dimension::dim::Dim<[usize; 1]>, f64>`
[INFO] [stdout]            found reference `&Vec<f64>`
[INFO] [stdout] note: method defined here
[INFO] [stdout]   --> src/multiclass.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn fit(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] help: call `Into::into` on this expression to convert `&Vec<f64>` into `ndarray::ArrayBase<ndarray::ViewRepr<&f64>, ndarray::dimension::dim::Dim<[usize; 1]>, f64>`
[INFO] [stdout]    |
[INFO] [stdout] 67 |     model.fit(&x_train, (&y_train).into(), None, true)?;
[INFO] [stdout]    |                         +        ++++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:70:37
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let probs = model.predict_proba(&x_test)?;
[INFO] [stdout]    |                       ------------- ^^^^^^^ expected `ArrayBase<ViewRepr<&f64>, ..., f64>`, found `&Vec<Vec<f64>>`
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       arguments to this method are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `ndarray::ArrayBase<ndarray::ViewRepr<&f64>, ndarray::dimension::dim::Dim<[usize; 2]>, f64>`
[INFO] [stdout]            found reference `&Vec<Vec<f64>>`
[INFO] [stdout] note: method defined here
[INFO] [stdout]   --> src/multiclass.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn predict_proba(&self, x: ArrayView2<'_, f64>) -> Result<Array2<f64>, String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:73:37
[INFO] [stdout]     |
[INFO] [stdout]  73 |     let predictions = model.predict(&x_test)?;
[INFO] [stdout]     |                             ------- ^^^^^^^ expected `ArrayBase<ViewRepr<&f64>, ..., f64>`, found `&Vec<Vec<f64>>`
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             arguments to this method are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `ndarray::ArrayBase<ndarray::ViewRepr<&f64>, ndarray::dimension::dim::Dim<[usize; 2]>, f64>`
[INFO] [stdout]             found reference `&Vec<Vec<f64>>`
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> src/multiclass.rs:123:12
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub fn predict(&self, x: ArrayView2<'_, f64>) -> Result<Array1<usize>, String> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 111)
[INFO] [stdout]     src/lib.rs - (line 183)
[INFO] [stdout]     src/lib.rs - (line 24)
[INFO] [stdout]     src/lib.rs - (line 54)
[INFO] [stdout]     src/lib.rs - (line 80)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 5 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.42s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2e63ff7b4482a1927e1aaeda2e971f6a59b3d8bfe2244dff77530ed506b67c52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e63ff7b4482a1927e1aaeda2e971f6a59b3d8bfe2244dff77530ed506b67c52", kill_on_drop: false }`
[INFO] [stdout] 2e63ff7b4482a1927e1aaeda2e971f6a59b3d8bfe2244dff77530ed506b67c52
