[INFO] updating cached repository kernelmachine/rsml
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kernelmachine/rsml
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kernelmachine/rsml" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/kernelmachine/rsml"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/kernelmachine/rsml'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kernelmachine/rsml" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/kernelmachine/rsml"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/kernelmachine/rsml'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ba18ae61ebe818f95b3e62af8a9de7d1eb169f21
[INFO] sha for GitHub repo kernelmachine/rsml: ba18ae61ebe818f95b3e62af8a9de7d1eb169f21
[INFO] validating manifest of kernelmachine/rsml on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of kernelmachine/rsml on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing kernelmachine/rsml
[INFO] finished frobbing kernelmachine/rsml
[INFO] frobbed toml for kernelmachine/rsml written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/kernelmachine/rsml/Cargo.toml
[INFO] started frobbing kernelmachine/rsml
[INFO] finished frobbing kernelmachine/rsml
[INFO] frobbed toml for kernelmachine/rsml written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/kernelmachine/rsml/Cargo.toml
[INFO] crate kernelmachine/rsml already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/kernelmachine/rsml/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking kernelmachine/rsml against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-7/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/kernelmachine/rsml:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 02e3d5d84445b1cf2c1476178e4b7098ab95e62283a7c384cd3cf3f994845b92
[INFO] running `"docker" "start" "-a" "02e3d5d84445b1cf2c1476178e4b7098ab95e62283a7c384cd3cf3f994845b92"`
[INFO] [stderr]    Compiling typenum v1.2.0
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking rust-tfidf v1.0.4
[INFO] [stderr]     Checking ndarray v0.12.1
[INFO] [stderr]     Checking ndarray-rand v0.9.0
[INFO] [stderr]     Checking rsml v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0557]: feature has been removed
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(custom_derive, plugin)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: subsumed by `#[proc_macro_derive]`
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(custom_derive, plugin)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0557]: feature has been removed
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(custom_derive, plugin)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: subsumed by `#[proc_macro_derive]`
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(custom_derive, plugin)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved imports `rand::distributions::IndependentSample`, `rand::distributions::Range`
[INFO] [stderr]  --> src/random_forest/model.rs:7:27
[INFO] [stderr]   |
[INFO] [stderr] 7 | use rand::distributions::{IndependentSample, Range};
[INFO] [stderr]   |                           ^^^^^^^^^^^^^^^^^  ^^^^^ no `Range` in `distributions`
[INFO] [stderr]   |                           |
[INFO] [stderr]   |                           no `IndependentSample` in `distributions`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `rand::StdRng`
[INFO] [stderr]  --> src/random_forest/model.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use rand::StdRng;
[INFO] [stderr]   |     ^^^^^^^^^^^^ no `StdRng` in the root
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:3:13
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[macro_use(s)]
[INFO] [stderr]   |             ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/tfidf_helper/tfidf_helper.rs:99:11
[INFO] [stderr]    |
[INFO] [stderr] 99 |         97...122 => true,
[INFO] [stderr]    |           ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]  --> src/tfidf_helper/tfidf_helper.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `rand::distributions::Range`
[INFO] [stderr]   --> src/tree/test.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     use rand::distributions::Range;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ no `Range` in `distributions`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved imports `rand::distributions::IndependentSample`, `rand::distributions::Range`
[INFO] [stderr]  --> src/random_forest/model.rs:7:27
[INFO] [stderr]   |
[INFO] [stderr] 7 | use rand::distributions::{IndependentSample, Range};
[INFO] [stderr]   |                           ^^^^^^^^^^^^^^^^^  ^^^^^ no `Range` in `distributions`
[INFO] [stderr]   |                           |
[INFO] [stderr]   |                           no `IndependentSample` in `distributions`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `rand::StdRng`
[INFO] [stderr]  --> src/random_forest/model.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use rand::StdRng;
[INFO] [stderr]   |     ^^^^^^^^^^^^ no `StdRng` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `rand::distributions::Range`
[INFO] [stderr]  --> src/random_forest/test.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     use rand::distributions::Range;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ no `Range` in `distributions`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `rand::distributions::Range`
[INFO] [stderr]  --> src/accuracy/test.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     use rand::distributions::Range;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ no `Range` in `distributions`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:3:13
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[macro_use(s)]
[INFO] [stderr]   |             ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Rng`
[INFO] [stderr]   --> src/tree/test.rs:13:28
[INFO] [stderr]    |
[INFO] [stderr] 13 |     use rand::{thread_rng, Rng};
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Rng`
[INFO] [stderr]   --> src/random_forest/test.rs:11:28
[INFO] [stderr]    |
[INFO] [stderr] 11 |     use rand::{thread_rng, Rng};
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/tfidf_helper/tfidf_helper.rs:99:11
[INFO] [stderr]    |
[INFO] [stderr] 99 |         97...122 => true,
[INFO] [stderr]    |           ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Rng`
[INFO] [stderr]   --> src/accuracy/test.rs:11:28
[INFO] [stderr]    |
[INFO] [stderr] 11 |     use rand::{thread_rng, Rng};
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]  --> src/tfidf_helper/tfidf_helper.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `iter` found for type `ndarray::ArrayBase<ndarray::ViewRepr<&f64>, usize>` in the current scope
[INFO] [stderr]    --> src/tree/model.rs:135:37
[INFO] [stderr]     |
[INFO] [stderr] 135 |         for (idx, &elem) in feature.iter().enumerate() {
[INFO] [stderr]     |                                     ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the method `iter` exists but the following trait bounds were not satisfied:
[INFO] [stderr]             `usize : ndarray::Dimension`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `iter` found for type `ndarray::ArrayBase<ndarray::ViewRepr<&f64>, usize>` in the current scope
[INFO] [stderr]    --> src/tree/model.rs:179:36
[INFO] [stderr]     |
[INFO] [stderr] 179 |         let mut xy_pairs = feature.iter().zip(target.iter()).collect::<Vec<_>>();
[INFO] [stderr]     |                                    ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the method `iter` exists but the following trait bounds were not satisfied:
[INFO] [stderr]             `usize : ndarray::Dimension`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `iter` found for type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, usize>` in the current scope
[INFO] [stderr]    --> src/tree/model.rs:179:54
[INFO] [stderr]     |
[INFO] [stderr] 179 |         let mut xy_pairs = feature.iter().zip(target.iter()).collect::<Vec<_>>();
[INFO] [stderr]     |                                                      ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the method `iter` exists but the following trait bounds were not satisfied:
[INFO] [stderr]             `usize : ndarray::Dimension`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `scalar_sum` found for type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, usize>` in the current scope
[INFO] [stderr]    --> src/tree/model.rs:183:33
[INFO] [stderr]     |
[INFO] [stderr] 183 |         let target_sum = target.scalar_sum();
[INFO] [stderr]     |                                 ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the method `scalar_sum` exists but the following trait bounds were not satisfied:
[INFO] [stderr]             `usize : ndarray::Dimension`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `len` found for type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, usize>` in the current scope
[INFO] [stderr]    --> src/tree/model.rs:190:61
[INFO] [stderr]     |
[INFO] [stderr] 190 |             let left_proportion = cumulative_count / target.len() as f64;
[INFO] [stderr]     |                                                             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the method `len` exists but the following trait bounds were not satisfied:
[INFO] [stderr]             `usize : ndarray::Dimension`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `scalar_sum` found for type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, usize>` in the current scope
[INFO] [stderr]    --> src/tree/model.rs:239:31
[INFO] [stderr]     |
[INFO] [stderr] 239 |         let num_plus = target.scalar_sum();
[INFO] [stderr]     |                               ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the method `scalar_sum` exists but the following trait bounds were not satisfied:
[INFO] [stderr]             `usize : ndarray::Dimension`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `len` found for type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, usize>` in the current scope
[INFO] [stderr]    --> src/tree/model.rs:240:52
[INFO] [stderr]     |
[INFO] [stderr] 240 |         let probability = num_plus as f64 / target.len() as f64;
[INFO] [stderr]     |                                                    ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the method `len` exists but the following trait bounds were not satisfied:
[INFO] [stderr]             `usize : ndarray::Dimension`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `len` found for type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, usize>` in the current scope
[INFO] [stderr]    --> src/tree/model.rs:244:19
[INFO] [stderr]     |
[INFO] [stderr] 244 |            target.len() < self.min_samples_split as usize {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the method `len` exists but the following trait bounds were not satisfied:
[INFO] [stderr]             `usize : ndarray::Dimension`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `axis_iter` found for type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, (usize, usize)>` in the current scope
[INFO] [stderr]    --> src/tree/model.rs:252:45
[INFO] [stderr]     |
[INFO] [stderr] 252 |         for (feature_idx, feature) in train.axis_iter(Axis(1)).enumerate() {
[INFO] [stderr]     |                                             ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the method `axis_iter` exists but the following trait bounds were not satisfied:
[INFO] [stderr]             `(usize, usize) : ndarray::Dimension`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `column` found for type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, (usize, usize)>` in the current scope
[INFO] [stderr]    --> src/tree/model.rs:263:34
[INFO] [stderr]     |
[INFO] [stderr] 263 |         let best_feature = train.column(best_feature_idx);
[INFO] [stderr]     |                                  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `select` found for type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, (usize, usize)>` in the current scope
[INFO] [stderr]    --> src/tree/model.rs:270:36
[INFO] [stderr]     |
[INFO] [stderr] 270 |             let left_train = train.select(Axis(0), &left_data_idx);
[INFO] [stderr]     |                                    ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the method `select` exists but the following trait bounds were not satisfied:
[INFO] [stderr]             `(usize, usize) : ndarray::Dimension`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `select` found for type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, usize>` in the current scope
[INFO] [stderr]    --> src/tree/model.rs:271:38
[INFO] [stderr]     |
[INFO] [stderr] 271 |             let left_target = target.select(Axis(0), &left_data_idx);
[INFO] [stderr]     |                                      ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the method `select` exists but the following trait bounds were not satisfied:
[INFO] [stderr]             `usize : ndarray::Dimension`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `select` found for type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, (usize, usize)>` in the current scope
[INFO] [stderr]    --> src/tree/model.rs:272:37
[INFO] [stderr]     |
[INFO] [stderr] 272 |             let right_train = train.select(Axis(0), &right_data_idx);
[INFO] [stderr]     |                                     ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the method `select` exists but the following trait bounds were not satisfied:
[INFO] [stderr]             `(usize, usize) : ndarray::Dimension`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `select` found for type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, usize>` in the current scope
[INFO] [stderr]    --> src/tree/model.rs:273:39
[INFO] [stderr]     |
[INFO] [stderr] 273 |             let right_target = target.select(Axis(0), &right_data_idx);
[INFO] [stderr]     |                                       ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the method `select` exists but the following trait bounds were not satisfied:
[INFO] [stderr]             `usize : ndarray::Dimension`
[INFO] [stderr] 
[INFO] [stderr] error[E0608]: cannot index into a value of type `&ndarray::ArrayBase<ndarray::ViewRepr<&f64>, usize>`
[INFO] [stderr]    --> src/tree/model.rs:301:23
[INFO] [stderr]     |
[INFO] [stderr] 301 |                 match test[feature] <= threshold {
[INFO] [stderr]     |                       ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `iter` found for type `ndarray::ArrayBase<ndarray::ViewRepr<&f64>, usize>` in the current scope
[INFO] [stderr]    --> src/tree/model.rs:135:37
[INFO] [stderr]     |
[INFO] [stderr] 135 |         for (idx, &elem) in feature.iter().enumerate() {
[INFO] [stderr]     |                                     ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the method `iter` exists but the following trait bounds were not satisfied:
[INFO] [stderr]             `usize : ndarray::Dimension`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `shape` found for type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, (usize, usize)>` in the current scope
[INFO] [stderr]    --> src/tree/model.rs:313:32
[INFO] [stderr]     |
[INFO] [stderr] 313 |         let n_features = train.shape()[1];
[INFO] [stderr]     |                                ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the method `shape` exists but the following trait bounds were not satisfied:
[INFO] [stderr]             `(usize, usize) : ndarray::Dimension`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `shape` found for type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, usize>` in the current scope
[INFO] [stderr]    --> src/tree/model.rs:314:32
[INFO] [stderr]     |
[INFO] [stderr] 314 |         let n_outputs = target.shape()[0];
[INFO] [stderr]     |                                ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the method `shape` exists but the following trait bounds were not satisfied:
[INFO] [stderr]             `usize : ndarray::Dimension`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `iter` found for type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, usize>` in the current scope
[INFO] [stderr]    --> src/tree/model.rs:317:40
[INFO] [stderr]     |
[INFO] [stderr] 317 |         let mut target_cloned = target.iter().cloned().collect::<Vec<f64>>();
[INFO] [stderr]     |                                        ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the method `iter` exists but the following trait bounds were not satisfied:
[INFO] [stderr]             `usize : ndarray::Dimension`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `iter` found for type `ndarray::ArrayBase<ndarray::ViewRepr<&f64>, usize>` in the current scope
[INFO] [stderr]    --> src/tree/model.rs:179:36
[INFO] [stderr]     |
[INFO] [stderr] 179 |         let mut xy_pairs = feature.iter().zip(target.iter()).collect::<Vec<_>>();
[INFO] [stderr]     |                                    ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the method `iter` exists but the following trait bounds were not satisfied:
[INFO] [stderr]             `usize : ndarray::Dimension`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `inner_iter` found for type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, (usize, usize)>` in the current scope
[INFO] [stderr]    --> src/tree/model.rs:345:33
[INFO] [stderr]     |
[INFO] [stderr] 345 |                 let data = test.inner_iter()
[INFO] [stderr]     |                                 ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `iter` found for type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, usize>` in the current scope
[INFO] [stderr]    --> src/tree/model.rs:179:54
[INFO] [stderr]     |
[INFO] [stderr] 179 |         let mut xy_pairs = feature.iter().zip(target.iter()).collect::<Vec<_>>();
[INFO] [stderr]     |                                                      ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the method `iter` exists but the following trait bounds were not satisfied:
[INFO] [stderr]             `usize : ndarray::Dimension`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `scalar_sum` found for type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, usize>` in the current scope
[INFO] [stderr]    --> src/tree/model.rs:183:33
[INFO] [stderr]     |
[INFO] [stderr] 183 |         let target_sum = target.scalar_sum();
[INFO] [stderr]     |                                 ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the method `scalar_sum` exists but the following trait bounds were not satisfied:
[INFO] [stderr]             `usize : ndarray::Dimension`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `len` found for type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, usize>` in the current scope
[INFO] [stderr]    --> src/tree/model.rs:190:61
[INFO] [stderr]     |
[INFO] [stderr] 190 |             let left_proportion = cumulative_count / target.len() as f64;
[INFO] [stderr]     |                                                             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the method `len` exists but the following trait bounds were not satisfied:
[INFO] [stderr]             `usize : ndarray::Dimension`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `scalar_sum` found for type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, usize>` in the current scope
[INFO] [stderr]    --> src/tree/model.rs:239:31
[INFO] [stderr]     |
[INFO] [stderr] 239 |         let num_plus = target.scalar_sum();
[INFO] [stderr]     |                               ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the method `scalar_sum` exists but the following trait bounds were not satisfied:
[INFO] [stderr]             `usize : ndarray::Dimension`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `len` found for type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, usize>` in the current scope
[INFO] [stderr]    --> src/tree/model.rs:240:52
[INFO] [stderr]     |
[INFO] [stderr] 240 |         let probability = num_plus as f64 / target.len() as f64;
[INFO] [stderr]     |                                                    ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the method `len` exists but the following trait bounds were not satisfied:
[INFO] [stderr]             `usize : ndarray::Dimension`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `len` found for type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, usize>` in the current scope
[INFO] [stderr]    --> src/tree/model.rs:244:19
[INFO] [stderr]     |
[INFO] [stderr] 244 |            target.len() < self.min_samples_split as usize {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the method `len` exists but the following trait bounds were not satisfied:
[INFO] [stderr]             `usize : ndarray::Dimension`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `axis_iter` found for type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, (usize, usize)>` in the current scope
[INFO] [stderr]    --> src/tree/model.rs:252:45
[INFO] [stderr]     |
[INFO] [stderr] 252 |         for (feature_idx, feature) in train.axis_iter(Axis(1)).enumerate() {
[INFO] [stderr]     |                                             ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the method `axis_iter` exists but the following trait bounds were not satisfied:
[INFO] [stderr]             `(usize, usize) : ndarray::Dimension`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `column` found for type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, (usize, usize)>` in the current scope
[INFO] [stderr]    --> src/tree/model.rs:263:34
[INFO] [stderr]     |
[INFO] [stderr] 263 |         let best_feature = train.column(best_feature_idx);
[INFO] [stderr]     |                                  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `select` found for type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, (usize, usize)>` in the current scope
[INFO] [stderr]    --> src/tree/model.rs:270:36
[INFO] [stderr]     |
[INFO] [stderr] 270 |             let left_train = train.select(Axis(0), &left_data_idx);
[INFO] [stderr]     |                                    ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the method `select` exists but the following trait bounds were not satisfied:
[INFO] [stderr]             `(usize, usize) : ndarray::Dimension`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `select` found for type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, usize>` in the current scope
[INFO] [stderr]    --> src/tree/model.rs:271:38
[INFO] [stderr]     |
[INFO] [stderr] 271 |             let left_target = target.select(Axis(0), &left_data_idx);
[INFO] [stderr]     |                                      ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the method `select` exists but the following trait bounds were not satisfied:
[INFO] [stderr]             `usize : ndarray::Dimension`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `select` found for type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, (usize, usize)>` in the current scope
[INFO] [stderr]    --> src/tree/model.rs:272:37
[INFO] [stderr]     |
[INFO] [stderr] 272 |             let right_train = train.select(Axis(0), &right_data_idx);
[INFO] [stderr]     |                                     ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the method `select` exists but the following trait bounds were not satisfied:
[INFO] [stderr]             `(usize, usize) : ndarray::Dimension`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `select` found for type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, usize>` in the current scope
[INFO] [stderr]    --> src/tree/model.rs:273:39
[INFO] [stderr]     |
[INFO] [stderr] 273 |             let right_target = target.select(Axis(0), &right_data_idx);
[INFO] [stderr]     |                                       ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the method `select` exists but the following trait bounds were not satisfied:
[INFO] [stderr]             `usize : ndarray::Dimension`
[INFO] [stderr] 
[INFO] [stderr] error[E0608]: cannot index into a value of type `&ndarray::ArrayBase<ndarray::ViewRepr<&f64>, usize>`
[INFO] [stderr]    --> src/tree/model.rs:301:23
[INFO] [stderr]     |
[INFO] [stderr] 301 |                 match test[feature] <= threshold {
[INFO] [stderr]     |                       ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `shape` found for type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, (usize, usize)>` in the current scope
[INFO] [stderr]    --> src/tree/model.rs:313:32
[INFO] [stderr]     |
[INFO] [stderr] 313 |         let n_features = train.shape()[1];
[INFO] [stderr]     |                                ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the method `shape` exists but the following trait bounds were not satisfied:
[INFO] [stderr]             `(usize, usize) : ndarray::Dimension`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `shape` found for type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, usize>` in the current scope
[INFO] [stderr]    --> src/tree/model.rs:314:32
[INFO] [stderr]     |
[INFO] [stderr] 314 |         let n_outputs = target.shape()[0];
[INFO] [stderr]     |                                ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the method `shape` exists but the following trait bounds were not satisfied:
[INFO] [stderr]             `usize : ndarray::Dimension`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `iter` found for type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, usize>` in the current scope
[INFO] [stderr]    --> src/tree/model.rs:317:40
[INFO] [stderr]     |
[INFO] [stderr] 317 |         let mut target_cloned = target.iter().cloned().collect::<Vec<f64>>();
[INFO] [stderr]     |                                        ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the method `iter` exists but the following trait bounds were not satisfied:
[INFO] [stderr]             `usize : ndarray::Dimension`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `inner_iter` found for type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, (usize, usize)>` in the current scope
[INFO] [stderr]    --> src/tree/model.rs:345:33
[INFO] [stderr]     |
[INFO] [stderr] 345 |                 let data = test.inner_iter()
[INFO] [stderr]     |                                 ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/tree/model.rs:348:20
[INFO] [stderr]     |
[INFO] [stderr] 348 |                 Ok(Array::from_vec(data))
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^ expected usize, found struct `ndarray::Dim`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `ndarray::ArrayBase<ndarray::OwnedRepr<f64>, usize>`
[INFO] [stderr]                found type `ndarray::ArrayBase<ndarray::OwnedRepr<_>, ndarray::Dim<[usize; 1]>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `rows` found for type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, (usize, usize)>` in the current scope
[INFO] [stderr]   --> src/random_forest/model.rs:66:49
[INFO] [stderr]    |
[INFO] [stderr] 66 |         let index_matrix = Array::random((train.rows(), self.trees.len()),
[INFO] [stderr]    |                                                 ^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `rows` found for type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, (usize, usize)>` in the current scope
[INFO] [stderr]   --> src/random_forest/model.rs:67:62
[INFO] [stderr]    |
[INFO] [stderr] 67 |                                          Range::new(0, train.rows()));
[INFO] [stderr]    |                                                              ^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `select` found for type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, (usize, usize)>` in the current scope
[INFO] [stderr]   --> src/random_forest/model.rs:76:38
[INFO] [stderr]    |
[INFO] [stderr] 76 |             let train_subset = train.select(Axis(0), indices.as_slice().unwrap());
[INFO] [stderr]    |                                      ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: the method `select` exists but the following trait bounds were not satisfied:
[INFO] [stderr]            `(usize, usize) : ndarray::Dimension`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `select` found for type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, usize>` in the current scope
[INFO] [stderr]   --> src/random_forest/model.rs:79:40
[INFO] [stderr]    |
[INFO] [stderr] 79 |             let target_subset = target.select(Axis(0), indices.as_slice().unwrap());
[INFO] [stderr]    |                                        ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: the method `select` exists but the following trait bounds were not satisfied:
[INFO] [stderr]            `usize : ndarray::Dimension`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `shape` found for type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, (usize, usize)>` in the current scope
[INFO] [stderr]   --> src/random_forest/model.rs:94:40
[INFO] [stderr]    |
[INFO] [stderr] 94 |         let mut df = Array::zeros(test.shape()[0]);
[INFO] [stderr]    |                                        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: the method `shape` exists but the following trait bounds were not satisfied:
[INFO] [stderr]            `(usize, usize) : ndarray::Dimension`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: cannot add `ndarray::ArrayBase<ndarray::OwnedRepr<f64>, usize>` to `ndarray::ArrayBase<ndarray::OwnedRepr<_>, _>`
[INFO] [stderr]   --> src/random_forest/model.rs:97:25
[INFO] [stderr]    |
[INFO] [stderr] 97 |                 df = df + pred;
[INFO] [stderr]    |                         ^ no implementation for `ndarray::ArrayBase<ndarray::OwnedRepr<_>, _> + ndarray::ArrayBase<ndarray::OwnedRepr<f64>, usize>`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::ops::Add<ndarray::ArrayBase<ndarray::OwnedRepr<f64>, usize>>` is not implemented for `ndarray::ArrayBase<ndarray::OwnedRepr<_>, _>`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `usize: ndarray::Dimension` is not satisfied
[INFO] [stderr]    --> src/random_forest/model.rs:100:17
[INFO] [stderr]     |
[INFO] [stderr] 100 |         df = df / (self.trees.len() as f64);
[INFO] [stderr]     |                 ^ the trait `ndarray::Dimension` is not implemented for `usize`
[INFO] [stderr]     |
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::ops::Div<f64>` for `ndarray::ArrayBase<ndarray::OwnedRepr<f64>, usize>`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `usize: ndarray::Dimension` is not satisfied
[INFO] [stderr]   --> src/random_forest/model.rs:94:22
[INFO] [stderr]    |
[INFO] [stderr] 94 |         let mut df = Array::zeros(test.shape()[0]);
[INFO] [stderr]    |                      ^^^^^^^^^^^^ the trait `ndarray::Dimension` is not implemented for `usize`
[INFO] [stderr]    |
[INFO] [stderr]    = note: required by `ndarray::impl_constructors::<impl ndarray::ArrayBase<S, D>>::zeros`
[INFO] [stderr] 
[INFO] [stderr] error[E0608]: cannot index into a value of type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, usize>`
[INFO] [stderr]   --> src/util/util.rs:42:38
[INFO] [stderr]    |
[INFO] [stderr] 42 |                            .map(|&x| mat[x])
[INFO] [stderr]    |                                      ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/tree/model.rs:348:20
[INFO] [stderr]     |
[INFO] [stderr] 348 |                 Ok(Array::from_vec(data))
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^ expected usize, found struct `ndarray::Dim`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `ndarray::ArrayBase<ndarray::OwnedRepr<f64>, usize>`
[INFO] [stderr]                found type `ndarray::ArrayBase<ndarray::OwnedRepr<_>, ndarray::Dim<[usize; 1]>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/util/util.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |   pub fn noncontig_1d_slice(mat: &Col<f64>, indices: &[usize]) -> Col<f64> {
[INFO] [stderr]    |                                                                   -------- expected `ndarray::ArrayBase<ndarray::OwnedRepr<f64>, usize>` because of return type
[INFO] [stderr] 38 | /     Array::from_vec(indices.iter()
[INFO] [stderr] 39 | |                            .cloned()
[INFO] [stderr] 40 | |                            .collect::<Vec<_>>()
[INFO] [stderr] 41 | |                            .iter()
[INFO] [stderr] 42 | |                            .map(|&x| mat[x])
[INFO] [stderr] 43 | |                            .collect::<Vec<_>>())
[INFO] [stderr]    | |________________________________________________^ expected usize, found struct `ndarray::Dim`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `ndarray::ArrayBase<ndarray::OwnedRepr<f64>, usize>`
[INFO] [stderr]               found type `ndarray::ArrayBase<ndarray::OwnedRepr<_>, ndarray::Dim<[usize; 1]>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `row` found for type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, (usize, usize)>` in the current scope
[INFO] [stderr]   --> src/util/util.rs:69:30
[INFO] [stderr]    |
[INFO] [stderr] 69 |                          mat.row(x)
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `shape` found for type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, (usize, usize)>` in the current scope
[INFO] [stderr]   --> src/util/util.rs:70:49
[INFO] [stderr]    |
[INFO] [stderr] 70 |                             .into_shape((1, mat.shape()[1]))
[INFO] [stderr]    |                                                 ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: the method `shape` exists but the following trait bounds were not satisfied:
[INFO] [stderr]            `(usize, usize) : ndarray::Dimension`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `(usize, usize): ndarray::RemoveAxis` is not satisfied
[INFO] [stderr]   --> src/util/util.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     stack(Axis(0), mat.as_slice()).unwrap_or_else(|e| panic!("Row stacking error {:?}", e))
[INFO] [stderr]    |     ^^^^^ the trait `ndarray::RemoveAxis` is not implemented for `(usize, usize)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: required by `ndarray::stack`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stderr]  --> src/tfidf_helper/tfidf_helper.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 36 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0277, E0308, E0432, E0557, E0599, E0608.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error: Could not compile `rsml`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/tree/test.rs:37:49
[INFO] [stderr]    |
[INFO] [stderr] 37 |         let (left, right) = DecisionTree::split(X.column(feature_idx), value);
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^^^^^^ expected usize, found struct `ndarray::Dim`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `ndarray::ArrayBase<ndarray::ViewRepr<&f64>, usize>`
[INFO] [stderr]               found type `ndarray::ArrayBase<ndarray::ViewRepr<&_>, ndarray::Dim<[usize; 1]>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/tree/test.rs:49:76
[INFO] [stderr]    |
[INFO] [stderr] 49 |         let (threshold, split_impurity) = DecisionTree::find_optimal_split(X.column(0), &y);
[INFO] [stderr]    |                                                                            ^^^^^^^^^^^ expected usize, found struct `ndarray::Dim`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `ndarray::ArrayBase<ndarray::ViewRepr<&f64>, usize>`
[INFO] [stderr]               found type `ndarray::ArrayBase<ndarray::ViewRepr<&{float}>, ndarray::Dim<[usize; 1]>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/tree/test.rs:49:89
[INFO] [stderr]    |
[INFO] [stderr] 49 |         let (threshold, split_impurity) = DecisionTree::find_optimal_split(X.column(0), &y);
[INFO] [stderr]    |                                                                                         ^^ expected usize, found struct `ndarray::Dim`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, usize>`
[INFO] [stderr]               found type `&ndarray::ArrayBase<ndarray::OwnedRepr<{float}>, ndarray::Dim<[usize; 1]>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/tree/test.rs:62:76
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let (threshold, split_impurity) = DecisionTree::find_optimal_split(X.column(0), &y);
[INFO] [stderr]    |                                                                            ^^^^^^^^^^^ expected usize, found struct `ndarray::Dim`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `ndarray::ArrayBase<ndarray::ViewRepr<&f64>, usize>`
[INFO] [stderr]               found type `ndarray::ArrayBase<ndarray::ViewRepr<&{float}>, ndarray::Dim<[usize; 1]>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/tree/test.rs:62:89
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let (threshold, split_impurity) = DecisionTree::find_optimal_split(X.column(0), &y);
[INFO] [stderr]    |                                                                                         ^^ expected usize, found struct `ndarray::Dim`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, usize>`
[INFO] [stderr]               found type `&ndarray::ArrayBase<ndarray::OwnedRepr<{float}>, ndarray::Dim<[usize; 1]>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/tree/test.rs:79:16
[INFO] [stderr]    |
[INFO] [stderr] 79 |         dt.fit(&X, &y);
[INFO] [stderr]    |                ^^ expected tuple, found struct `ndarray::Dim`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, (usize, usize)>`
[INFO] [stderr]               found type `&ndarray::ArrayBase<ndarray::OwnedRepr<{float}>, ndarray::Dim<[usize; 2]>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/tree/test.rs:79:20
[INFO] [stderr]    |
[INFO] [stderr] 79 |         dt.fit(&X, &y);
[INFO] [stderr]    |                    ^^ expected usize, found struct `ndarray::Dim`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, usize>`
[INFO] [stderr]               found type `&ndarray::ArrayBase<ndarray::OwnedRepr<{float}>, ndarray::Dim<[usize; 1]>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/tree/test.rs:81:31
[INFO] [stderr]    |
[INFO] [stderr] 81 |         let pred = dt.predict(&X).ok().unwrap();
[INFO] [stderr]    |                               ^^ expected tuple, found struct `ndarray::Dim`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, (usize, usize)>`
[INFO] [stderr]               found type `&ndarray::ArrayBase<ndarray::OwnedRepr<{float}>, ndarray::Dim<[usize; 2]>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `usize: ndarray::Dimension` is not satisfied
[INFO] [stderr]   --> src/tree/test.rs:83:19
[INFO] [stderr]    |
[INFO] [stderr] 83 |         assert!(y.all_close(&pred, 1e-8));
[INFO] [stderr]    |                   ^^^^^^^^^ the trait `ndarray::Dimension` is not implemented for `usize`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `choose` found for type `rand::prelude::ThreadRng` in the current scope
[INFO] [stderr]   --> src/tree/test.rs:96:51
[INFO] [stderr]    |
[INFO] [stderr] 96 |                                     .map(|_| *rng.choose(&vec![0.0, 1.0][..]).unwrap())
[INFO] [stderr]    |                                                   ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/tree/test.rs:100:16
[INFO] [stderr]     |
[INFO] [stderr] 100 |         dt.fit(&X, &y);
[INFO] [stderr]     |                ^^ expected tuple, found struct `ndarray::Dim`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, (usize, usize)>`
[INFO] [stderr]                found type `&ndarray::ArrayBase<ndarray::OwnedRepr<_>, ndarray::Dim<[usize; 2]>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/tree/test.rs:100:20
[INFO] [stderr]     |
[INFO] [stderr] 100 |         dt.fit(&X, &y);
[INFO] [stderr]     |                    ^^ expected usize, found struct `ndarray::Dim`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, usize>`
[INFO] [stderr]                found type `&ndarray::ArrayBase<ndarray::OwnedRepr<_>, ndarray::Dim<[usize; 1]>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `choose` found for type `rand::prelude::ThreadRng` in the current scope
[INFO] [stderr]    --> src/tree/test.rs:114:51
[INFO] [stderr]     |
[INFO] [stderr] 114 |                                     .map(|_| *rng.choose(&vec![0.0, 1.0][..]).unwrap())
[INFO] [stderr]     |                                                   ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/tree/test.rs:118:16
[INFO] [stderr]     |
[INFO] [stderr] 118 |         dt.fit(&X, &y);
[INFO] [stderr]     |                ^^ expected tuple, found struct `ndarray::Dim`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, (usize, usize)>`
[INFO] [stderr]                found type `&ndarray::ArrayBase<ndarray::OwnedRepr<_>, ndarray::Dim<[usize; 2]>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/tree/test.rs:118:20
[INFO] [stderr]     |
[INFO] [stderr] 118 |         dt.fit(&X, &y);
[INFO] [stderr]     |                    ^^ expected usize, found struct `ndarray::Dim`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, usize>`
[INFO] [stderr]                found type `&ndarray::ArrayBase<ndarray::OwnedRepr<_>, ndarray::Dim<[usize; 1]>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `choose` found for type `rand::prelude::ThreadRng` in the current scope
[INFO] [stderr]    --> src/tree/test.rs:131:51
[INFO] [stderr]     |
[INFO] [stderr] 131 |                                     .map(|_| *rng.choose(&vec![0.0, 1.0][..]).unwrap())
[INFO] [stderr]     |                                                   ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/tree/test.rs:138:20
[INFO] [stderr]     |
[INFO] [stderr] 138 |             dt.fit(&X, &y);
[INFO] [stderr]     |                    ^^ expected tuple, found struct `ndarray::Dim`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, (usize, usize)>`
[INFO] [stderr]                found type `&ndarray::ArrayBase<ndarray::OwnedRepr<_>, ndarray::Dim<[usize; 2]>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/tree/test.rs:138:24
[INFO] [stderr]     |
[INFO] [stderr] 138 |             dt.fit(&X, &y);
[INFO] [stderr]     |                        ^^ expected usize, found struct `ndarray::Dim`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, usize>`
[INFO] [stderr]                found type `&ndarray::ArrayBase<ndarray::OwnedRepr<_>, ndarray::Dim<[usize; 1]>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `rows` found for type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, (usize, usize)>` in the current scope
[INFO] [stderr]   --> src/random_forest/model.rs:66:49
[INFO] [stderr]    |
[INFO] [stderr] 66 |         let index_matrix = Array::random((train.rows(), self.trees.len()),
[INFO] [stderr]    |                                                 ^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `rows` found for type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, (usize, usize)>` in the current scope
[INFO] [stderr]   --> src/random_forest/model.rs:67:62
[INFO] [stderr]    |
[INFO] [stderr] 67 |                                          Range::new(0, train.rows()));
[INFO] [stderr]    |                                                              ^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `select` found for type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, (usize, usize)>` in the current scope
[INFO] [stderr]   --> src/random_forest/model.rs:76:38
[INFO] [stderr]    |
[INFO] [stderr] 76 |             let train_subset = train.select(Axis(0), indices.as_slice().unwrap());
[INFO] [stderr]    |                                      ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: the method `select` exists but the following trait bounds were not satisfied:
[INFO] [stderr]            `(usize, usize) : ndarray::Dimension`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `select` found for type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, usize>` in the current scope
[INFO] [stderr]   --> src/random_forest/model.rs:79:40
[INFO] [stderr]    |
[INFO] [stderr] 79 |             let target_subset = target.select(Axis(0), indices.as_slice().unwrap());
[INFO] [stderr]    |                                        ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: the method `select` exists but the following trait bounds were not satisfied:
[INFO] [stderr]            `usize : ndarray::Dimension`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `shape` found for type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, (usize, usize)>` in the current scope
[INFO] [stderr]   --> src/random_forest/model.rs:94:40
[INFO] [stderr]    |
[INFO] [stderr] 94 |         let mut df = Array::zeros(test.shape()[0]);
[INFO] [stderr]    |                                        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: the method `shape` exists but the following trait bounds were not satisfied:
[INFO] [stderr]            `(usize, usize) : ndarray::Dimension`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: cannot add `ndarray::ArrayBase<ndarray::OwnedRepr<f64>, usize>` to `ndarray::ArrayBase<ndarray::OwnedRepr<_>, _>`
[INFO] [stderr]   --> src/random_forest/model.rs:97:25
[INFO] [stderr]    |
[INFO] [stderr] 97 |                 df = df + pred;
[INFO] [stderr]    |                         ^ no implementation for `ndarray::ArrayBase<ndarray::OwnedRepr<_>, _> + ndarray::ArrayBase<ndarray::OwnedRepr<f64>, usize>`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::ops::Add<ndarray::ArrayBase<ndarray::OwnedRepr<f64>, usize>>` is not implemented for `ndarray::ArrayBase<ndarray::OwnedRepr<_>, _>`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `usize: ndarray::Dimension` is not satisfied
[INFO] [stderr]    --> src/random_forest/model.rs:100:17
[INFO] [stderr]     |
[INFO] [stderr] 100 |         df = df / (self.trees.len() as f64);
[INFO] [stderr]     |                 ^ the trait `ndarray::Dimension` is not implemented for `usize`
[INFO] [stderr]     |
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::ops::Div<f64>` for `ndarray::ArrayBase<ndarray::OwnedRepr<f64>, usize>`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `usize: ndarray::Dimension` is not satisfied
[INFO] [stderr]   --> src/random_forest/model.rs:94:22
[INFO] [stderr]    |
[INFO] [stderr] 94 |         let mut df = Array::zeros(test.shape()[0]);
[INFO] [stderr]    |                      ^^^^^^^^^^^^ the trait `ndarray::Dimension` is not implemented for `usize`
[INFO] [stderr]    |
[INFO] [stderr]    = note: required by `ndarray::impl_constructors::<impl ndarray::ArrayBase<S, D>>::zeros`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/random_forest/test.rs:24:16
[INFO] [stderr]    |
[INFO] [stderr] 24 |         rf.fit(&train, &target);
[INFO] [stderr]    |                ^^^^^^ expected tuple, found struct `ndarray::Dim`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, (usize, usize)>`
[INFO] [stderr]               found type `&ndarray::ArrayBase<ndarray::OwnedRepr<{float}>, ndarray::Dim<[usize; 2]>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/random_forest/test.rs:24:24
[INFO] [stderr]    |
[INFO] [stderr] 24 |         rf.fit(&train, &target);
[INFO] [stderr]    |                        ^^^^^^^ expected usize, found struct `ndarray::Dim`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, usize>`
[INFO] [stderr]               found type `&ndarray::ArrayBase<ndarray::OwnedRepr<{float}>, ndarray::Dim<[usize; 1]>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/random_forest/test.rs:26:31
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let pred = rf.predict(&train).ok().unwrap();
[INFO] [stderr]    |                               ^^^^^^ expected tuple, found struct `ndarray::Dim`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, (usize, usize)>`
[INFO] [stderr]               found type `&ndarray::ArrayBase<ndarray::OwnedRepr<{float}>, ndarray::Dim<[usize; 2]>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `usize: ndarray::Dimension` is not satisfied
[INFO] [stderr]   --> src/random_forest/test.rs:28:24
[INFO] [stderr]    |
[INFO] [stderr] 28 |         assert!(target.all_close(&pred, 0.3));
[INFO] [stderr]    |                        ^^^^^^^^^ the trait `ndarray::Dimension` is not implemented for `usize`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `choose` found for type `rand::prelude::ThreadRng` in the current scope
[INFO] [stderr]   --> src/random_forest/test.rs:42:51
[INFO] [stderr]    |
[INFO] [stderr] 42 |                                     .map(|_| *rng.choose(&vec![0.0, 1.0][..]).unwrap())
[INFO] [stderr]    |                                                   ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/random_forest/test.rs:48:20
[INFO] [stderr]    |
[INFO] [stderr] 48 |             rf.fit(&x, &y);
[INFO] [stderr]    |                    ^^ expected tuple, found struct `ndarray::Dim`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, (usize, usize)>`
[INFO] [stderr]               found type `&ndarray::ArrayBase<ndarray::OwnedRepr<_>, ndarray::Dim<[usize; 2]>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/random_forest/test.rs:48:24
[INFO] [stderr]    |
[INFO] [stderr] 48 |             rf.fit(&x, &y);
[INFO] [stderr]    |                        ^^ expected usize, found struct `ndarray::Dim`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, usize>`
[INFO] [stderr]               found type `&ndarray::ArrayBase<ndarray::OwnedRepr<_>, ndarray::Dim<[usize; 1]>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0608]: cannot index into a value of type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, usize>`
[INFO] [stderr]   --> src/util/util.rs:42:38
[INFO] [stderr]    |
[INFO] [stderr] 42 |                            .map(|&x| mat[x])
[INFO] [stderr]    |                                      ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/util/util.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |   pub fn noncontig_1d_slice(mat: &Col<f64>, indices: &[usize]) -> Col<f64> {
[INFO] [stderr]    |                                                                   -------- expected `ndarray::ArrayBase<ndarray::OwnedRepr<f64>, usize>` because of return type
[INFO] [stderr] 38 | /     Array::from_vec(indices.iter()
[INFO] [stderr] 39 | |                            .cloned()
[INFO] [stderr] 40 | |                            .collect::<Vec<_>>()
[INFO] [stderr] 41 | |                            .iter()
[INFO] [stderr] 42 | |                            .map(|&x| mat[x])
[INFO] [stderr] 43 | |                            .collect::<Vec<_>>())
[INFO] [stderr]    | |________________________________________________^ expected usize, found struct `ndarray::Dim`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `ndarray::ArrayBase<ndarray::OwnedRepr<f64>, usize>`
[INFO] [stderr]               found type `ndarray::ArrayBase<ndarray::OwnedRepr<_>, ndarray::Dim<[usize; 1]>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `row` found for type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, (usize, usize)>` in the current scope
[INFO] [stderr]   --> src/util/util.rs:69:30
[INFO] [stderr]    |
[INFO] [stderr] 69 |                          mat.row(x)
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `shape` found for type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, (usize, usize)>` in the current scope
[INFO] [stderr]   --> src/util/util.rs:70:49
[INFO] [stderr]    |
[INFO] [stderr] 70 |                             .into_shape((1, mat.shape()[1]))
[INFO] [stderr]    |                                                 ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: the method `shape` exists but the following trait bounds were not satisfied:
[INFO] [stderr]            `(usize, usize) : ndarray::Dimension`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `(usize, usize): ndarray::RemoveAxis` is not satisfied
[INFO] [stderr]   --> src/util/util.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     stack(Axis(0), mat.as_slice()).unwrap_or_else(|e| panic!("Row stacking error {:?}", e))
[INFO] [stderr]    |     ^^^^^ the trait `ndarray::RemoveAxis` is not implemented for `(usize, usize)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: required by `ndarray::stack`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/accuracy/test.rs:24:16
[INFO] [stderr]    |
[INFO] [stderr] 24 |         rf.fit(&train, &target);
[INFO] [stderr]    |                ^^^^^^ expected tuple, found struct `ndarray::Dim`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, (usize, usize)>`
[INFO] [stderr]               found type `&ndarray::ArrayBase<ndarray::OwnedRepr<{float}>, ndarray::Dim<[usize; 2]>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/accuracy/test.rs:24:24
[INFO] [stderr]    |
[INFO] [stderr] 24 |         rf.fit(&train, &target);
[INFO] [stderr]    |                        ^^^^^^^ expected usize, found struct `ndarray::Dim`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, usize>`
[INFO] [stderr]               found type `&ndarray::ArrayBase<ndarray::OwnedRepr<{float}>, ndarray::Dim<[usize; 1]>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/accuracy/test.rs:26:31
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let pred = rf.predict(&train).ok().unwrap();
[INFO] [stderr]    |                               ^^^^^^ expected tuple, found struct `ndarray::Dim`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, (usize, usize)>`
[INFO] [stderr]               found type `&ndarray::ArrayBase<ndarray::OwnedRepr<{float}>, ndarray::Dim<[usize; 2]>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `usize: ndarray::Dimension` is not satisfied
[INFO] [stderr]   --> src/accuracy/test.rs:28:24
[INFO] [stderr]    |
[INFO] [stderr] 28 |         assert!(target.all_close(&pred, 0.3));
[INFO] [stderr]    |                        ^^^^^^^^^ the trait `ndarray::Dimension` is not implemented for `usize`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `choose` found for type `rand::prelude::ThreadRng` in the current scope
[INFO] [stderr]   --> src/accuracy/test.rs:42:51
[INFO] [stderr]    |
[INFO] [stderr] 42 |                                     .map(|_| *rng.choose(&vec![0.0, 1.0][..]).unwrap())
[INFO] [stderr]    |                                                   ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/accuracy/test.rs:48:20
[INFO] [stderr]    |
[INFO] [stderr] 48 |             rf.fit(&x, &y);
[INFO] [stderr]    |                    ^^ expected tuple, found struct `ndarray::Dim`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, (usize, usize)>`
[INFO] [stderr]               found type `&ndarray::ArrayBase<ndarray::OwnedRepr<_>, ndarray::Dim<[usize; 2]>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/accuracy/test.rs:48:24
[INFO] [stderr]    |
[INFO] [stderr] 48 |             rf.fit(&x, &y);
[INFO] [stderr]    |                        ^^ expected usize, found struct `ndarray::Dim`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&ndarray::ArrayBase<ndarray::OwnedRepr<f64>, usize>`
[INFO] [stderr]               found type `&ndarray::ArrayBase<ndarray::OwnedRepr<_>, ndarray::Dim<[usize; 1]>>`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stderr]  --> src/tfidf_helper/tfidf_helper.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 71 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0277, E0308, E0432, E0557, E0599, E0608.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error: Could not compile `rsml`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "02e3d5d84445b1cf2c1476178e4b7098ab95e62283a7c384cd3cf3f994845b92"`
[INFO] running `"docker" "rm" "-f" "02e3d5d84445b1cf2c1476178e4b7098ab95e62283a7c384cd3cf3f994845b92"`
[INFO] [stdout] 02e3d5d84445b1cf2c1476178e4b7098ab95e62283a7c384cd3cf3f994845b92