[INFO] cloning repository https://github.com/kkingsbe/neuralnet-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kkingsbe/neuralnet-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkkingsbe%2Fneuralnet-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkkingsbe%2Fneuralnet-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae66234ffc495b88c7f0b101a56d9e5d1321a547
[INFO] checking kkingsbe/neuralnet-rs against try#18c1d185ac7a6a3bf399296b35e4b2736809a756 for pr-146972
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkkingsbe%2Fneuralnet-rs" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kkingsbe/neuralnet-rs
[INFO] finished tweaking git repo https://github.com/kkingsbe/neuralnet-rs
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[INFO] validating manifest of git repo https://github.com/kkingsbe/neuralnet-rs on toolchain 18c1d185ac7a6a3bf399296b35e4b2736809a756
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kkingsbe/neuralnet-rs 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" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[ERROR] error running command: no output for 300 seconds
[INFO] checking kkingsbe/neuralnet-rs against try#18c1d185ac7a6a3bf399296b35e4b2736809a756 for pr-146972
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkkingsbe%2Fneuralnet-rs" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kkingsbe/neuralnet-rs
[INFO] finished tweaking git repo https://github.com/kkingsbe/neuralnet-rs
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[INFO] validating manifest of git repo https://github.com/kkingsbe/neuralnet-rs on toolchain 18c1d185ac7a6a3bf399296b35e4b2736809a756
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kkingsbe/neuralnet-rs 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" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]   Downloaded svg v0.7.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27a4b4fcf5cce3f2300d871e4088e8b647c2655736abcfe110f6dc8bc6cf903f
[INFO] running `Command { std: "docker" "start" "-a" "27a4b4fcf5cce3f2300d871e4088e8b647c2655736abcfe110f6dc8bc6cf903f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27a4b4fcf5cce3f2300d871e4088e8b647c2655736abcfe110f6dc8bc6cf903f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27a4b4fcf5cce3f2300d871e4088e8b647c2655736abcfe110f6dc8bc6cf903f", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 805f04ddb5ed9c280fc07d093bb38fcd112d9cfa2d296b93585e30a8ffe19ad2
[INFO] running `Command { std: "docker" "start" "-a" "805f04ddb5ed9c280fc07d093bb38fcd112d9cfa2d296b93585e30a8ffe19ad2", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling serde_json v1.0.118
[INFO] [stderr]     Checking svg v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking regex v1.10.5
[INFO] [stderr]     Checking format_num v0.1.0
[INFO] [stderr]     Checking charts v0.3.0
[INFO] [stderr]     Checking ndarray-rand v0.14.0
[INFO] [stderr]     Checking neuralnet-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `LossFunctionTargetEncoding`
[INFO] [stdout]  --> src/main.rs:4:35
[INFO] [stdout]   |
[INFO] [stdout] 4 | use loss_function::{LossFunction, LossFunctionTargetEncoding, LossFunctionType, LossTargetData, SparseLossTargetData};
[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: `LossFunctionTargetEncoding`
[INFO] [stdout]  --> src/main.rs:4:35
[INFO] [stdout]   |
[INFO] [stdout] 4 | use loss_function::{LossFunction, LossFunctionTargetEncoding, LossFunctionType, LossTargetData, SparseLossTargetData};
[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 imports: `OwnedRepr` and `stack`
[INFO] [stdout]  --> src/main.rs:5:27
[INFO] [stdout]   |
[INFO] [stdout] 5 | use ndarray::{prelude::*, stack, OwnedRepr};
[INFO] [stdout]   |                           ^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `OwnedRepr` and `stack`
[INFO] [stdout]  --> src/main.rs:5:27
[INFO] [stdout]   |
[INFO] [stdout] 5 | use ndarray::{prelude::*, stack, OwnedRepr};
[INFO] [stdout]   |                           ^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LossCalculation`
[INFO] [stdout]  --> src/layer.rs:3:89
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{activation_function::{ActivationFunction, LayerActivation}, loss_function::{LossCalculation, LossFunction}};
[INFO] [stdout]   |                                                                                         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LossCalculation`
[INFO] [stdout]  --> src/layer.rs:3:89
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{activation_function::{ActivationFunction, LayerActivation}, loss_function::{LossCalculation, LossFunction}};
[INFO] [stdout]   |                                                                                         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Normal`, `RandomExt`, and `num_traits::Float`
[INFO] [stdout]   --> src/main.rs:11:33
[INFO] [stdout]    |
[INFO] [stdout] 11 | use ndarray_rand::{rand_distr::{num_traits::Float, Normal}, RandomExt};
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^  ^^^^^^   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Normal`, `RandomExt`, and `num_traits::Float`
[INFO] [stdout]   --> src/main.rs:11:33
[INFO] [stdout]    |
[INFO] [stdout] 11 | use ndarray_rand::{rand_distr::{num_traits::Float, Normal}, RandomExt};
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^  ^^^^^^   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ScaleBand` and `VerticalBarView`
[INFO] [stdout]   --> src/main.rs:12:21
[INFO] [stdout]    |
[INFO] [stdout] 12 | use charts::{Chart, ScaleBand, ScaleLinear, ScatterView, VerticalBarView};
[INFO] [stdout]    |                     ^^^^^^^^^                            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ScaleBand` and `VerticalBarView`
[INFO] [stdout]   --> src/main.rs:12:21
[INFO] [stdout]    |
[INFO] [stdout] 12 | use charts::{Chart, ScaleBand, ScaleLinear, ScatterView, VerticalBarView};
[INFO] [stdout]    |                     ^^^^^^^^^                            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `layer`
[INFO] [stdout]    --> src/layer.rs:100:13
[INFO] [stdout]     |
[INFO] [stdout] 100 |         let layer = Layer::<NEURONS, FAN_IN>::new(LayerActivation::ReLU, lf);
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_layer`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]    --> src/layer.rs:170:13
[INFO] [stdout]     |
[INFO] [stdout] 170 |         let output = layer.forward(test_inputs);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/loss_function/mod.rs:30:19
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn new_sparse(data: Array1<usize>) -> OneHotLossTargetData {
[INFO] [stdout]    |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/loss_function/mod.rs:30:19
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn new_sparse(data: Array1<usize>) -> OneHotLossTargetData {
[INFO] [stdout]    |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/loss_function/mod.rs:52:19
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn new_onehot(data: Array2<f64>) -> SparseLossTargetData {
[INFO] [stdout]    |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/loss_function/mod.rs:52:19
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn new_onehot(data: Array2<f64>) -> SparseLossTargetData {
[INFO] [stdout]    |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `plot` is never used
[INFO] [stdout]   --> src/main.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn plot() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `LayerArrayError` is never used
[INFO] [stdout]  --> src/layer.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum LayerArrayError {
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `loss` is never read
[INFO] [stdout]   --> src/layer.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Layer<const NEURONS: usize, const FAN_IN: usize> {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     loss: LossFunction
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_weights`, `set_biases`, and `loss` are never used
[INFO] [stdout]   --> src/layer.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl <const NEURONS: usize, const FAN_IN: usize> Layer<NEURONS, FAN_IN> {
[INFO] [stdout]    | ----------------------------------------------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn set_weights(&mut self, new_weights: Array2<f64>) -> Result<(), LayerArrayError> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     pub fn set_biases(&mut self, new_biases: Array1<f64>) -> Result<(), LayerArrayError> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pub fn loss(&mut self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_onehot` is never used
[INFO] [stdout]   --> src/loss_function/mod.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait LossTargetData {
[INFO] [stdout]    |           -------------- associated function in this trait
[INFO] [stdout] 12 |     fn new_onehot(data: Array2<f64>) -> Self;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `OneHotLossTargetData` is never constructed
[INFO] [stdout]   --> src/loss_function/mod.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct OneHotLossTargetData {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OneHot` is never constructed
[INFO] [stdout]   --> src/loss_function/mod.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub enum LossFunctionTargetEncoding {
[INFO] [stdout]    |          -------------------------- variant in this enum
[INFO] [stdout] 80 |     OneHot,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CrossEntropyEncoding` is never used
[INFO] [stdout]  --> src/loss_function/cross_entropy.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum CrossEntropyEncoding {
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `plot` is never used
[INFO] [stdout]   --> src/main.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn plot() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/layer.rs:7:24
[INFO] [stdout]   |
[INFO] [stdout] 7 |     IncorrectDimension(String)
[INFO] [stdout]   |     ------------------ ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `LayerArrayError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 7 -     IncorrectDimension(String)
[INFO] [stdout] 7 +     IncorrectDimension(())
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `loss` is never read
[INFO] [stdout]   --> src/layer.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Layer<const NEURONS: usize, const FAN_IN: usize> {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     loss: LossFunction
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `loss` is never used
[INFO] [stdout]   --> src/layer.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl <const NEURONS: usize, const FAN_IN: usize> Layer<NEURONS, FAN_IN> {
[INFO] [stdout]    | ----------------------------------------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pub fn loss(&mut self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_onehot` is never used
[INFO] [stdout]   --> src/loss_function/mod.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait LossTargetData {
[INFO] [stdout]    |           -------------- associated function in this trait
[INFO] [stdout] 12 |     fn new_onehot(data: Array2<f64>) -> Self;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `OneHotLossTargetData` is never constructed
[INFO] [stdout]   --> src/loss_function/mod.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct OneHotLossTargetData {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OneHot` is never constructed
[INFO] [stdout]   --> src/loss_function/mod.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub enum LossFunctionTargetEncoding {
[INFO] [stdout]    |          -------------------------- variant in this enum
[INFO] [stdout] 80 |     OneHot,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CrossEntropyEncoding` is never used
[INFO] [stdout]  --> src/loss_function/cross_entropy.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum CrossEntropyEncoding {
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.05s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: svg v0.7.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "805f04ddb5ed9c280fc07d093bb38fcd112d9cfa2d296b93585e30a8ffe19ad2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "805f04ddb5ed9c280fc07d093bb38fcd112d9cfa2d296b93585e30a8ffe19ad2", kill_on_drop: false }`
[INFO] [stdout] 805f04ddb5ed9c280fc07d093bb38fcd112d9cfa2d296b93585e30a8ffe19ad2
