[INFO] fetching crate newron 0.5.1...
[INFO] testing newron-0.5.1 against beta-2025-09-21 for beta-1.91-2
[INFO] extracting crate newron 0.5.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate newron 0.5.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate newron 0.5.1
[INFO] tweaked toml for crates.io crate newron 0.5.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate newron 0.5.1 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate newron 0.5.1 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b6c475ec31f72bd7625c6f815002f31f6b522bb6e3c92eee581981232c4dfbb
[INFO] running `Command { std: "docker" "start" "-a" "2b6c475ec31f72bd7625c6f815002f31f6b522bb6e3c92eee581981232c4dfbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b6c475ec31f72bd7625c6f815002f31f6b522bb6e3c92eee581981232c4dfbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b6c475ec31f72bd7625c6f815002f31f6b522bb6e3c92eee581981232c4dfbb", kill_on_drop: false }`
[INFO] [stdout] 2b6c475ec31f72bd7625c6f815002f31f6b522bb6e3c92eee581981232c4dfbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e373f5dd303535a61cc52cc7de341fa7d76347a8c5e9a94fb523de565bca79f6
[INFO] running `Command { std: "docker" "start" "-a" "e373f5dd303535a61cc52cc7de341fa7d76347a8c5e9a94fb523de565bca79f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling newron v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::utils`
[INFO] [stdout]   --> src/sequential.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::utils;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/tensor.rs:57:57
[INFO] [stdout]    |
[INFO] [stdout] 57 |            let data: Vec<f64> = (0..number_values).map(|_| (
[INFO] [stdout]    |  __________________________________________________________^
[INFO] [stdout] 58 | |              // formula
[INFO] [stdout] 59 | |              ((-2.0 * rng.rand_float().ln()).sqrt() * (2.0 * PI * rng.rand_float()).cos()) * stdev + mean
[INFO] [stdout]    | | ____________^____________________________________________________________________________________________^
[INFO] [stdout]    | ||____________|
[INFO] [stdout]    |  |
[INFO] [stdout] 60 |  |         )).collect();
[INFO] [stdout]    |  |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 57 -         let data: Vec<f64> = (0..number_values).map(|_| (
[INFO] [stdout] 58 -             // formula
[INFO] [stdout] 59 -             ((-2.0 * rng.rand_float().ln()).sqrt() * (2.0 * PI * rng.rand_float()).cos()) * stdev + mean
[INFO] [stdout] 57 +         let data: Vec<f64> = (0..number_values).map(|_| ((-2.0 * rng.rand_float().ln()).sqrt() * (2.0 * PI * rng.rand_float()).cos()) * stdev + mean).collect();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `header`
[INFO] [stdout]   --> src/dataset.rs:89:34
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn from_csv(path: &Path, header: bool) -> Result<Dataset, DatasetError> {
[INFO] [stdout]    |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_header`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `recall_score`
[INFO] [stdout]    --> src/sequential.rs:213:37
[INFO] [stdout]     |
[INFO] [stdout] 213 | ...                   let recall_score = cm.recall_score(class);
[INFO] [stdout]     |                           ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_recall_score`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `precision_score`
[INFO] [stdout]    --> src/sequential.rs:217:37
[INFO] [stdout]     |
[INFO] [stdout] 217 | ...                   let precision_score = cm.precision_score(class);
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_precision_score`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f1_score`
[INFO] [stdout]    --> src/sequential.rs:221:37
[INFO] [stdout]     |
[INFO] [stdout] 221 | ...                   let f1_score = cm.f1_score(class);
[INFO] [stdout]     |                           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_f1_score`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `rand_range` is never used
[INFO] [stdout]   --> src/random.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Rand{
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn rand_range(&mut self, a: i32, b: i32) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "e373f5dd303535a61cc52cc7de341fa7d76347a8c5e9a94fb523de565bca79f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e373f5dd303535a61cc52cc7de341fa7d76347a8c5e9a94fb523de565bca79f6", kill_on_drop: false }`
[INFO] [stdout] e373f5dd303535a61cc52cc7de341fa7d76347a8c5e9a94fb523de565bca79f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4882db95eba07be5b3f110f5a147420b2b587b26a9dd8670b6a98a37d0cc5090
[INFO] running `Command { std: "docker" "start" "-a" "4882db95eba07be5b3f110f5a147420b2b587b26a9dd8670b6a98a37d0cc5090", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `crate::utils`
[INFO] [stdout]   --> src/sequential.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::utils;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/tensor.rs:57:57
[INFO] [stdout]    |
[INFO] [stdout] 57 |            let data: Vec<f64> = (0..number_values).map(|_| (
[INFO] [stdout]    |  __________________________________________________________^
[INFO] [stdout] 58 | |              // formula
[INFO] [stdout] 59 | |              ((-2.0 * rng.rand_float().ln()).sqrt() * (2.0 * PI * rng.rand_float()).cos()) * stdev + mean
[INFO] [stdout]    | | ____________^____________________________________________________________________________________________^
[INFO] [stdout]    | ||____________|
[INFO] [stdout]    |  |
[INFO] [stdout] 60 |  |         )).collect();
[INFO] [stdout]    |  |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 57 -         let data: Vec<f64> = (0..number_values).map(|_| (
[INFO] [stdout] 58 -             // formula
[INFO] [stdout] 59 -             ((-2.0 * rng.rand_float().ln()).sqrt() * (2.0 * PI * rng.rand_float()).cos()) * stdev + mean
[INFO] [stdout] 57 +         let data: Vec<f64> = (0..number_values).map(|_| ((-2.0 * rng.rand_float().ln()).sqrt() * (2.0 * PI * rng.rand_float()).cos()) * stdev + mean).collect();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `header`
[INFO] [stdout]   --> src/dataset.rs:89:34
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn from_csv(path: &Path, header: bool) -> Result<Dataset, DatasetError> {
[INFO] [stdout]    |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_header`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `recall_score`
[INFO] [stdout]    --> src/sequential.rs:213:37
[INFO] [stdout]     |
[INFO] [stdout] 213 | ...                   let recall_score = cm.recall_score(class);
[INFO] [stdout]     |                           ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_recall_score`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `precision_score`
[INFO] [stdout]    --> src/sequential.rs:217:37
[INFO] [stdout]     |
[INFO] [stdout] 217 | ...                   let precision_score = cm.precision_score(class);
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_precision_score`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f1_score`
[INFO] [stdout]    --> src/sequential.rs:221:37
[INFO] [stdout]     |
[INFO] [stdout] 221 | ...                   let f1_score = cm.f1_score(class);
[INFO] [stdout]     |                           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_f1_score`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `rand_range` is never used
[INFO] [stdout]   --> src/random.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Rand{
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn rand_range(&mut self, a: i32, b: i32) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling newron v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ColumnType` and `RowType`
[INFO] [stdout]  --> examples/linear_regression.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use newron::dataset::{RowType, Dataset, ColumnType};
[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: `crate::utils`
[INFO] [stdout]   --> src/sequential.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::utils;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/tensor.rs:57:57
[INFO] [stdout]    |
[INFO] [stdout] 57 |            let data: Vec<f64> = (0..number_values).map(|_| (
[INFO] [stdout]    |  __________________________________________________________^
[INFO] [stdout] 58 | |              // formula
[INFO] [stdout] 59 | |              ((-2.0 * rng.rand_float().ln()).sqrt() * (2.0 * PI * rng.rand_float()).cos()) * stdev + mean
[INFO] [stdout]    | | ____________^____________________________________________________________________________________________^
[INFO] [stdout]    | ||____________|
[INFO] [stdout]    |  |
[INFO] [stdout] 60 |  |         )).collect();
[INFO] [stdout]    |  |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 57 -         let data: Vec<f64> = (0..number_values).map(|_| (
[INFO] [stdout] 58 -             // formula
[INFO] [stdout] 59 -             ((-2.0 * rng.rand_float().ln()).sqrt() * (2.0 * PI * rng.rand_float()).cos()) * stdev + mean
[INFO] [stdout] 57 +         let data: Vec<f64> = (0..number_values).map(|_| ((-2.0 * rng.rand_float().ln()).sqrt() * (2.0 * PI * rng.rand_float()).cos()) * stdev + mean).collect();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `header`
[INFO] [stdout]   --> src/dataset.rs:89:34
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn from_csv(path: &Path, header: bool) -> Result<Dataset, DatasetError> {
[INFO] [stdout]    |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_header`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `recall_score`
[INFO] [stdout]    --> src/sequential.rs:213:37
[INFO] [stdout]     |
[INFO] [stdout] 213 | ...                   let recall_score = cm.recall_score(class);
[INFO] [stdout]     |                           ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_recall_score`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `precision_score`
[INFO] [stdout]    --> src/sequential.rs:217:37
[INFO] [stdout]     |
[INFO] [stdout] 217 | ...                   let precision_score = cm.precision_score(class);
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_precision_score`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f1_score`
[INFO] [stdout]    --> src/sequential.rs:221:37
[INFO] [stdout]     |
[INFO] [stdout] 221 | ...                   let f1_score = cm.f1_score(class);
[INFO] [stdout]     |                           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_f1_score`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `rand_range` is never used
[INFO] [stdout]   --> src/random.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Rand{
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn rand_range(&mut self, a: i32, b: i32) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "4882db95eba07be5b3f110f5a147420b2b587b26a9dd8670b6a98a37d0cc5090", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4882db95eba07be5b3f110f5a147420b2b587b26a9dd8670b6a98a37d0cc5090", kill_on_drop: false }`
[INFO] [stdout] 4882db95eba07be5b3f110f5a147420b2b587b26a9dd8670b6a98a37d0cc5090
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 008c5636ab6408e8d823d44b456f658f2b5989eb1fac1690bc537f97bdd72704
[INFO] running `Command { std: "docker" "start" "-a" "008c5636ab6408e8d823d44b456f658f2b5989eb1fac1690bc537f97bdd72704", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::utils`
[INFO] [stderr]   --> src/sequential.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use crate::utils;
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]   --> src/tensor.rs:57:57
[INFO] [stderr]    |
[INFO] [stderr] 57 |            let data: Vec<f64> = (0..number_values).map(|_| (
[INFO] [stderr]    |  __________________________________________________________^
[INFO] [stderr] 58 | |              // formula
[INFO] [stderr] 59 | |              ((-2.0 * rng.rand_float().ln()).sqrt() * (2.0 * PI * rng.rand_float()).cos()) * stdev + mean
[INFO] [stderr]    | | ____________^____________________________________________________________________________________________^
[INFO] [stderr]    | ||____________|
[INFO] [stderr]    |  |
[INFO] [stderr] 60 |  |         )).collect();
[INFO] [stderr]    |  |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 57 -         let data: Vec<f64> = (0..number_values).map(|_| (
[INFO] [stderr] 58 -             // formula
[INFO] [stderr] 59 -             ((-2.0 * rng.rand_float().ln()).sqrt() * (2.0 * PI * rng.rand_float()).cos()) * stdev + mean
[INFO] [stderr] 57 +         let data: Vec<f64> = (0..number_values).map(|_| ((-2.0 * rng.rand_float().ln()).sqrt() * (2.0 * PI * rng.rand_float()).cos()) * stdev + mean).collect();
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `header`
[INFO] [stderr]   --> src/dataset.rs:89:34
[INFO] [stderr]    |
[INFO] [stderr] 89 |     pub fn from_csv(path: &Path, header: bool) -> Result<Dataset, DatasetError> {
[INFO] [stderr]    |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_header`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `recall_score`
[INFO] [stderr]    --> src/sequential.rs:213:37
[INFO] [stderr]     |
[INFO] [stderr] 213 | ...                   let recall_score = cm.recall_score(class);
[INFO] [stderr]     |                           ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_recall_score`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `precision_score`
[INFO] [stderr]    --> src/sequential.rs:217:37
[INFO] [stderr]     |
[INFO] [stderr] 217 | ...                   let precision_score = cm.precision_score(class);
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_precision_score`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f1_score`
[INFO] [stderr]    --> src/sequential.rs:221:37
[INFO] [stderr]     |
[INFO] [stderr] 221 | ...                   let f1_score = cm.f1_score(class);
[INFO] [stderr]     |                           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_f1_score`
[INFO] [stderr] 
[INFO] [stderr] warning: method `rand_range` is never used
[INFO] [stderr]   --> src/random.rs:36:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | impl Rand{
[INFO] [stderr]    | --------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 36 |     pub fn rand_range(&mut self, a: i32, b: i32) -> i32 {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `newron` (lib) generated 7 warnings (run `cargo fix --lib -p newron` to apply 2 suggestions)
[INFO] [stderr] warning: unused imports: `ColumnType` and `RowType`
[INFO] [stderr]  --> examples/linear_regression.rs:1:23
[INFO] [stderr]   |
[INFO] [stderr] 1 | use newron::dataset::{RowType, Dataset, ColumnType};
[INFO] [stderr]   |                       ^^^^^^^           ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `newron` (example "linear_regression") generated 1 warning (run `cargo fix --example "linear_regression"` to apply 1 suggestion)
[INFO] [stderr] warning: `newron` (lib test) generated 7 warnings (7 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/newron-314b61289e610be9)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/categorical_entropy.rs (/opt/rustwide/target/debug/deps/categorical_entropy-31b1389d0e1c6a80)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test categorical_entropy_tests::test_categorical_entropy_loss ... ok
[INFO] [stdout] test categorical_entropy_tests::test_categorical_entropy_loss_grad ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/dataset.rs (/opt/rustwide/target/debug/deps/dataset-966c31e69550799f)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test dataset_tests::test_dataset_debug_trait ... ok
[INFO] [stdout] test dataset_tests::test_load_csv ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- dataset_tests::test_load_csv stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'dataset_tests::test_load_csv' (30) panicked at src/dataset.rs:92:43:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55cf35b7c5b2 - std::backtrace_rs::backtrace::libunwind::trace::hcab59e1e990fdc24
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55cf35b7c5b2 - std::backtrace_rs::backtrace::trace_unsynchronized::he24cc57f3d2f47b7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55cf35b7c5b2 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x55cf35b7c5b2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h67edf0e4d33c343c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x55cf35b8c90f - core::fmt::rt::Argument::fmt::hef94184842aeafdd
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x55cf35b8c90f - core::fmt::write::hcf0c66b48a8fa606
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x55cf35b49b21 - std::io::default_write_fmt::h69967ac0ba93195f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x55cf35b49b21 - std::io::Write::write_fmt::h8db9396209deaa1c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x55cf35b55b82 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x55cf35b5a6cf - std::panicking::default_hook::{{closure}}::h91001850288db5f7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x55cf35b5a561 - std::panicking::default_hook::h2346dbb704ef5512
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x55cf35b0a66e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h18383b2e29377420
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   12:     0x55cf35b0a66e - test::test_main_with_exit_callback::{{closure}}::h272d7ef99aef06dc
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x55cf35b5ad8f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6dba6e441651a0d1
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   14:     0x55cf35b5ad8f - std::panicking::panic_with_hook::hd2b063a6090d23a4
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x55cf35b5abea - std::panicking::panic_handler::{{closure}}::he666d95f139a333e
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x55cf35b55cb9 - std::sys::backtrace::__rust_end_short_backtrace::h631ad224854ebee5
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x55cf35b3dffd - __rustc[1d67440d6e82e4f]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x55cf35b95860 - core::panicking::panic_fmt::h420ddb7fd73daf53
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x55cf35b94f06 - core::result::unwrap_failed::hdde076be853d034f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/result.rs:1855:5
[INFO] [stdout]   20:     0x55cf35b35df2 - core::result::Result<T,E>::unwrap::h25c172666187357c
[INFO] [stderr] error: test failed, to rerun pass `--test dataset`
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/result.rs:1226:23
[INFO] [stdout]   21:     0x55cf35b35df2 - newron::dataset::Dataset::from_csv::h325ba912b9f819e4
[INFO] [stdout]                                at /opt/rustwide/workdir/src/dataset.rs:92:43
[INFO] [stdout]   22:     0x55cf35ae8d7b - dataset::dataset_tests::test_load_csv::h610cfb6ea5af4ad3
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/dataset.rs:32:23
[INFO] [stdout]   23:     0x55cf35ae9077 - dataset::dataset_tests::test_load_csv::{{closure}}::hf0e50b7761141c38
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/dataset.rs:31:23
[INFO] [stdout]   24:     0x55cf35ae7e86 - core::ops::function::FnOnce::call_once::hc14616c2dcf922ba
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x55cf35b0a42b - core::ops::function::FnOnce::call_once::h70887edf07a630ba
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x55cf35b0a42b - test::__rust_begin_short_backtrace::h27763c4cbbdb8601
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:663:18
[INFO] [stdout]   27:     0x55cf35b20095 - test::run_test_in_process::{{closure}}::h4dc8bc6d5e3924d3
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:686:74
[INFO] [stdout]   28:     0x55cf35b20095 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h75905e8ffe81974f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   29:     0x55cf35b20095 - std::panicking::catch_unwind::do_call::h0bc60366ba66eba5
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stdout]   30:     0x55cf35b20095 - std::panicking::catch_unwind::hae1ec7bf94407afa
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stdout]   31:     0x55cf35b20095 - std::panic::catch_unwind::h0f4ff4773d84d3cd
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x55cf35b20095 - test::run_test_in_process::h03fbc77ae48b3f10
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:686:27
[INFO] [stdout]   33:     0x55cf35b20095 - test::run_test::{{closure}}::h83476a9c453dc4d3
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:607:43
[INFO] [stdout]   34:     0x55cf35af6884 - test::run_test::{{closure}}::h515482ad1e7fe7de
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:637:41
[INFO] [stdout]   35:     0x55cf35af6884 - std::sys::backtrace::__rust_begin_short_backtrace::hed09f6ac5fe9d647
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   36:     0x55cf35afa14a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h988e2cd969319888
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   37:     0x55cf35afa14a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd70e28dc46ec20be
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   38:     0x55cf35afa14a - std::panicking::catch_unwind::do_call::hdc29e11311eb7655
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stdout]   39:     0x55cf35afa14a - std::panicking::catch_unwind::h9e402d6a96fef41c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stdout]   40:     0x55cf35afa14a - std::panic::catch_unwind::h9213c0c54aec70e0
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x55cf35afa14a - std::thread::Builder::spawn_unchecked_::{{closure}}::h6262965869ed2b87
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   42:     0x55cf35afa14a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h05c05ed02619e462
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x55cf35b50e1f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h2044e71c41d3958a
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   44:     0x55cf35b50e1f - std::sys::thread::unix::Thread::new::thread_start::hf277835320aa8e5a
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/thread/unix.rs:126:17
[INFO] [stdout]   45:     0x7a43c899caa4 - <unknown>
[INFO] [stdout]   46:     0x7a43c8a29a34 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     dataset_tests::test_load_csv
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "008c5636ab6408e8d823d44b456f658f2b5989eb1fac1690bc537f97bdd72704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "008c5636ab6408e8d823d44b456f658f2b5989eb1fac1690bc537f97bdd72704", kill_on_drop: false }`
[INFO] [stdout] 008c5636ab6408e8d823d44b456f658f2b5989eb1fac1690bc537f97bdd72704
