[INFO] cloning repository https://github.com/GuiNinov/rust-analytics
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GuiNinov/rust-analytics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGuiNinov%2Frust-analytics", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGuiNinov%2Frust-analytics'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 490d65b9642d0a5673ee5ed1f10e91d7f5108341
[INFO] testing GuiNinov/rust-analytics against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGuiNinov%2Frust-analytics" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/GuiNinov/rust-analytics
[INFO] finished tweaking git repo https://github.com/GuiNinov/rust-analytics
[INFO] tweaked toml for git repo https://github.com/GuiNinov/rust-analytics written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/GuiNinov/rust-analytics on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/GuiNinov/rust-analytics 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" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] testing GuiNinov/rust-analytics against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGuiNinov%2Frust-analytics" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/GuiNinov/rust-analytics
[INFO] finished tweaking git repo https://github.com/GuiNinov/rust-analytics
[INFO] tweaked toml for git repo https://github.com/GuiNinov/rust-analytics written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/GuiNinov/rust-analytics on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/GuiNinov/rust-analytics 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" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ndarray-stats v0.5.1
[INFO] [stderr]   Downloaded ndarray-rand v0.14.0
[INFO] [stderr]   Downloaded ndarray v0.15.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e38cdf8d237d1484f84087b65450c8b440118154426ef8267857e8709381f9d
[INFO] running `Command { std: "docker" "start" "-a" "5e38cdf8d237d1484f84087b65450c8b440118154426ef8267857e8709381f9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e38cdf8d237d1484f84087b65450c8b440118154426ef8267857e8709381f9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e38cdf8d237d1484f84087b65450c8b440118154426ef8267857e8709381f9d", kill_on_drop: false }`
[INFO] [stdout] 5e38cdf8d237d1484f84087b65450c8b440118154426ef8267857e8709381f9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 561c12bd02d6c22719588b5eae452639f93e19fb5b811ced9e9b2cf92d43fa3f
[INFO] running `Command { std: "docker" "start" "-a" "561c12bd02d6c22719588b5eae452639f93e19fb5b811ced9e9b2cf92d43fa3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling either v1.11.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.5
[INFO] [stderr]    Compiling noisy_float v0.2.0
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling ndarray v0.15.6
[INFO] [stderr]    Compiling ndarray-rand v0.14.0
[INFO] [stderr]    Compiling ndarray-stats v0.5.1
[INFO] [stderr]    Compiling rust-data-analytics v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ArrayBase`, `Dim`, and `OwnedRepr`
[INFO] [stdout]  --> src/infrastructure/dataset.rs:1:38
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ndarray::{Array, Array1, Array2, ArrayBase, ArrayView, Axis, Dim, OwnedRepr};
[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: `std::collections::HashMap`
[INFO] [stdout]  --> src/core/dataset.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Array1`, `Array2`, `ArrayView`, `Array`, and `Axis`
[INFO] [stdout]  --> src/core/dataset.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ndarray::{Array, Array1, Array2, ArrayBase, ArrayView, Axis, Dim, OwnedRepr};
[INFO] [stdout]   |               ^^^^^  ^^^^^^  ^^^^^^             ^^^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Uniform`
[INFO] [stdout]  --> src/core/layers/linear_layer.rs:3:41
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ndarray_rand::{rand_distr::{Normal, Uniform}, RandomExt};
[INFO] [stdout]   |                                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Axis`
[INFO] [stdout]  --> src/core/layers/batch_norm_layer.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ndarray::{Array2, Axis};
[INFO] [stdout]   |                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Normal`, `RandomExt`, and `Uniform`
[INFO] [stdout]  --> src/core/layers/batch_norm_layer.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ndarray_rand::{rand_distr::{Normal, Uniform}, RandomExt};
[INFO] [stdout]   |                                 ^^^^^^  ^^^^^^^   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Normal`, `RandomExt`, and `Uniform`
[INFO] [stdout]  --> src/core/layers/layer_norm_1d.rs:5:33
[INFO] [stdout]   |
[INFO] [stdout] 5 | use ndarray_rand::{rand_distr::{Normal, Uniform}, RandomExt};
[INFO] [stdout]   |                                 ^^^^^^  ^^^^^^^   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LayerType`
[INFO] [stdout]  --> src/core/layers/layer_norm_1d.rs:7:33
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::core::layer::{Layer, LayerType};
[INFO] [stdout]   |                                 ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `collections::HashMap`
[INFO] [stdout]  --> src/core/model.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, vec};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Zip` and `concatenate`
[INFO] [stdout]  --> src/core/model.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ndarray::{concatenate, s, Array2, Array3, Axis, Zip};
[INFO] [stdout]   |               ^^^^^^^^^^^                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RandomExt` and `rand_distr::num_traits::ToPrimitive`
[INFO] [stdout]  --> src/core/model.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ndarray_rand::{rand_distr::num_traits::ToPrimitive, RandomExt};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Array1`, `ArrayView`, `Array`, and `Axis`
[INFO] [stdout]  --> src/main.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | use ndarray::{Array, Array1, Array2, ArrayView, Axis};
[INFO] [stdout]   |               ^^^^^  ^^^^^^          ^^^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ndarray::s`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ndarray::s;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env::VarError`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::env::VarError;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Layers`
[INFO] [stdout]   --> src/main.rs:17:33
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::core::layer::{Layer, Layers};
[INFO] [stdout]    |                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::core::layers::batch_norm_layer::BatchNormalizationLayer`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use crate::core::layers::batch_norm_layer::BatchNormalizationLayer;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `previous_grad`
[INFO] [stdout]   --> src/core/layers/batch_norm_layer.rs:70:24
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn grad(&mut self, previous_grad: &Array2<f32>) -> Vec<Array2<f32>> {
[INFO] [stdout]    |                        ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_previous_grad`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/core/model.rs:150:21
[INFO] [stdout]     |
[INFO] [stdout] 150 |                     _ => continue,
[INFO] [stdout]     |                     ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/core/model.rs:150:21
[INFO] [stdout]     |
[INFO] [stdout] 136 |                     crate::core::layer::LayerType::Linear => {
[INFO] [stdout]     |                     ------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 142 |                     crate::core::layer::LayerType::LayerNormalization1DLayer => {
[INFO] [stdout]     |                     -------------------------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 146 |                     crate::core::layer::LayerType::BatchNormalization => todo!(),
[INFO] [stdout]     |                     ------------------------------------------------- matches some of the same values
[INFO] [stdout] 147 |                     crate::core::layer::LayerType::Tanh => {
[INFO] [stdout]     |                     ----------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 150 |                     _ => continue,
[INFO] [stdout]     |                     ^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/core/model.rs:235:17
[INFO] [stdout]     |
[INFO] [stdout] 235 |         for (i, mut row) in probs.axis_iter_mut(Axis(0)).enumerate() {
[INFO] [stdout]     |                 ----^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `words` and `splits_params` are never read
[INFO] [stdout]  --> src/infrastructure/dataset.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct DatasetBuilder {
[INFO] [stdout]   |            -------------- fields in this struct
[INFO] [stdout] 6 |     pub words: Vec<String>,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 7 |     pub splits_params: (f64, f64, f64),
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x_val`, `y_val`, `x_test`, and `y_test` are never read
[INFO] [stdout]   --> src/core/dataset.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Dataset {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub x_val: DatasetComponent,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 14 |     pub  y_val: DatasetComponent,
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 15 |     pub x_test: DatasetComponent,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 16 |     pub y_test: DatasetComponent,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Dataset` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `InvalidContextLength` and `InvalidVocabulary` are never constructed
[INFO] [stdout]   --> src/core/dataset.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub enum DatabaseBuilderErrors {
[INFO] [stdout]    |          --------------------- variants in this enum
[INFO] [stdout] 21 |     InvalidContextLength,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 22 |     InvalidVocabulary,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DatabaseBuilderErrors` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `InternalServerError` and `ProviderRequestError` are never constructed
[INFO] [stdout]  --> src/core/vocabulary.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum VocabularyErrors {
[INFO] [stdout]   |          ---------------- variants in this enum
[INFO] [stdout] 4 |     FileNotFound,
[INFO] [stdout] 5 |     InternalServerError,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 6 |     ProviderRequestError,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `chars` and `itos` are never read
[INFO] [stdout]   --> src/core/vocabulary.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Vocabulary {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 12 |     pub chars: Vec<char>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 13 |     pub stoi: HashMap<String, usize>,
[INFO] [stdout] 14 |     pub itos: HashMap<usize, String>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Vocabulary` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `copy` is never used
[INFO] [stdout]   --> src/core/vocabulary.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub trait VocabularyAbstract {
[INFO] [stdout]    |           ------------------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn copy(&self) -> Vocabulary;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_output` is never used
[INFO] [stdout]   --> src/core/layer.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub trait Layer {
[INFO] [stdout]    |           ----- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 12 |     fn get_output(&self) -> Option<Array2<f32>>;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `BatchNormalization` is never constructed
[INFO] [stdout]   --> src/core/layer.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub enum LayerType {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] 17 |     Linear,
[INFO] [stdout] 18 |     BatchNormalization,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LayerType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Layers` is never used
[INFO] [stdout]   --> src/core/layer.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub enum Layers {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BatchNormalizationLayer` is never constructed
[INFO] [stdout]  --> src/core/layers/batch_norm_layer.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct BatchNormalizationLayer {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/core/layers/batch_norm_layer.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl BatchNormalizationLayer {
[INFO] [stdout]    | ---------------------------- associated function in this implementation
[INFO] [stdout] 23 |     pub fn new(dimensions: usize, eps: f32, momentum: f32) -> BatchNormalizationLayer {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `training`, `dimensions`, and `momentum` are never read
[INFO] [stdout]   --> src/core/layers/layer_norm_1d.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct LayerNormalization1DLayer {
[INFO] [stdout]    |            ------------------------- fields in this struct
[INFO] [stdout] 13 |     training: bool,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 14 |     dimensions: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 15 |     eps: f32,
[INFO] [stdout] 16 |     momentum: f32,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LayerNormalization1DLayer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `exec` is never used
[INFO] [stdout]    --> src/core/model.rs:321:12
[INFO] [stdout]     |
[INFO] [stdout]  23 | impl Model {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 321 |     pub fn exec(&mut self) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.05s
[INFO] running `Command { std: "docker" "inspect" "561c12bd02d6c22719588b5eae452639f93e19fb5b811ced9e9b2cf92d43fa3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "561c12bd02d6c22719588b5eae452639f93e19fb5b811ced9e9b2cf92d43fa3f", kill_on_drop: false }`
[INFO] [stdout] 561c12bd02d6c22719588b5eae452639f93e19fb5b811ced9e9b2cf92d43fa3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7742c04efcaed5271baeeef64bf61da1908f70562102da0f73a93eb13a372656
[INFO] running `Command { std: "docker" "start" "-a" "7742c04efcaed5271baeeef64bf61da1908f70562102da0f73a93eb13a372656", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-data-analytics v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ArrayBase`, `Dim`, and `OwnedRepr`
[INFO] [stdout]  --> src/infrastructure/dataset.rs:1:38
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ndarray::{Array, Array1, Array2, ArrayBase, ArrayView, Axis, Dim, OwnedRepr};
[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: `std::collections::HashMap`
[INFO] [stdout]  --> src/core/dataset.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Array1`, `Array2`, `ArrayView`, `Array`, and `Axis`
[INFO] [stdout]  --> src/core/dataset.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ndarray::{Array, Array1, Array2, ArrayBase, ArrayView, Axis, Dim, OwnedRepr};
[INFO] [stdout]   |               ^^^^^  ^^^^^^  ^^^^^^             ^^^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Uniform`
[INFO] [stdout]  --> src/core/layers/linear_layer.rs:3:41
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ndarray_rand::{rand_distr::{Normal, Uniform}, RandomExt};
[INFO] [stdout]   |                                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Axis`
[INFO] [stdout]  --> src/core/layers/batch_norm_layer.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ndarray::{Array2, Axis};
[INFO] [stdout]   |                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Normal`, `RandomExt`, and `Uniform`
[INFO] [stdout]  --> src/core/layers/batch_norm_layer.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ndarray_rand::{rand_distr::{Normal, Uniform}, RandomExt};
[INFO] [stdout]   |                                 ^^^^^^  ^^^^^^^   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Normal`, `RandomExt`, and `Uniform`
[INFO] [stdout]  --> src/core/layers/layer_norm_1d.rs:5:33
[INFO] [stdout]   |
[INFO] [stdout] 5 | use ndarray_rand::{rand_distr::{Normal, Uniform}, RandomExt};
[INFO] [stdout]   |                                 ^^^^^^  ^^^^^^^   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LayerType`
[INFO] [stdout]  --> src/core/layers/layer_norm_1d.rs:7:33
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::core::layer::{Layer, LayerType};
[INFO] [stdout]   |                                 ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `collections::HashMap`
[INFO] [stdout]  --> src/core/model.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, vec};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Zip` and `concatenate`
[INFO] [stdout]  --> src/core/model.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ndarray::{concatenate, s, Array2, Array3, Axis, Zip};
[INFO] [stdout]   |               ^^^^^^^^^^^                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RandomExt` and `rand_distr::num_traits::ToPrimitive`
[INFO] [stdout]  --> src/core/model.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ndarray_rand::{rand_distr::num_traits::ToPrimitive, RandomExt};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Array1`, `ArrayView`, `Array`, and `Axis`
[INFO] [stdout]  --> src/main.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | use ndarray::{Array, Array1, Array2, ArrayView, Axis};
[INFO] [stdout]   |               ^^^^^  ^^^^^^          ^^^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ndarray::s`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ndarray::s;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env::VarError`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::env::VarError;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Layers`
[INFO] [stdout]   --> src/main.rs:17:33
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::core::layer::{Layer, Layers};
[INFO] [stdout]    |                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::core::layers::batch_norm_layer::BatchNormalizationLayer`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use crate::core::layers::batch_norm_layer::BatchNormalizationLayer;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `previous_grad`
[INFO] [stdout]   --> src/core/layers/batch_norm_layer.rs:70:24
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn grad(&mut self, previous_grad: &Array2<f32>) -> Vec<Array2<f32>> {
[INFO] [stdout]    |                        ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_previous_grad`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/core/model.rs:150:21
[INFO] [stdout]     |
[INFO] [stdout] 150 |                     _ => continue,
[INFO] [stdout]     |                     ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/core/model.rs:150:21
[INFO] [stdout]     |
[INFO] [stdout] 136 |                     crate::core::layer::LayerType::Linear => {
[INFO] [stdout]     |                     ------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 142 |                     crate::core::layer::LayerType::LayerNormalization1DLayer => {
[INFO] [stdout]     |                     -------------------------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 146 |                     crate::core::layer::LayerType::BatchNormalization => todo!(),
[INFO] [stdout]     |                     ------------------------------------------------- matches some of the same values
[INFO] [stdout] 147 |                     crate::core::layer::LayerType::Tanh => {
[INFO] [stdout]     |                     ----------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 150 |                     _ => continue,
[INFO] [stdout]     |                     ^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/core/model.rs:235:17
[INFO] [stdout]     |
[INFO] [stdout] 235 |         for (i, mut row) in probs.axis_iter_mut(Axis(0)).enumerate() {
[INFO] [stdout]     |                 ----^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `words` and `splits_params` are never read
[INFO] [stdout]  --> src/infrastructure/dataset.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct DatasetBuilder {
[INFO] [stdout]   |            -------------- fields in this struct
[INFO] [stdout] 6 |     pub words: Vec<String>,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 7 |     pub splits_params: (f64, f64, f64),
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x_val`, `y_val`, `x_test`, and `y_test` are never read
[INFO] [stdout]   --> src/core/dataset.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Dataset {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub x_val: DatasetComponent,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 14 |     pub  y_val: DatasetComponent,
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 15 |     pub x_test: DatasetComponent,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 16 |     pub y_test: DatasetComponent,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Dataset` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `InvalidContextLength` and `InvalidVocabulary` are never constructed
[INFO] [stdout]   --> src/core/dataset.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub enum DatabaseBuilderErrors {
[INFO] [stdout]    |          --------------------- variants in this enum
[INFO] [stdout] 21 |     InvalidContextLength,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 22 |     InvalidVocabulary,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DatabaseBuilderErrors` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `InternalServerError` and `ProviderRequestError` are never constructed
[INFO] [stdout]  --> src/core/vocabulary.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum VocabularyErrors {
[INFO] [stdout]   |          ---------------- variants in this enum
[INFO] [stdout] 4 |     FileNotFound,
[INFO] [stdout] 5 |     InternalServerError,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 6 |     ProviderRequestError,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `chars` and `itos` are never read
[INFO] [stdout]   --> src/core/vocabulary.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Vocabulary {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 12 |     pub chars: Vec<char>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 13 |     pub stoi: HashMap<String, usize>,
[INFO] [stdout] 14 |     pub itos: HashMap<usize, String>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Vocabulary` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `copy` is never used
[INFO] [stdout]   --> src/core/vocabulary.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub trait VocabularyAbstract {
[INFO] [stdout]    |           ------------------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn copy(&self) -> Vocabulary;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_output` is never used
[INFO] [stdout]   --> src/core/layer.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub trait Layer {
[INFO] [stdout]    |           ----- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 12 |     fn get_output(&self) -> Option<Array2<f32>>;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `BatchNormalization` is never constructed
[INFO] [stdout]   --> src/core/layer.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub enum LayerType {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] 17 |     Linear,
[INFO] [stdout] 18 |     BatchNormalization,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LayerType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Layers` is never used
[INFO] [stdout]   --> src/core/layer.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub enum Layers {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BatchNormalizationLayer` is never constructed
[INFO] [stdout]  --> src/core/layers/batch_norm_layer.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct BatchNormalizationLayer {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/core/layers/batch_norm_layer.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl BatchNormalizationLayer {
[INFO] [stdout]    | ---------------------------- associated function in this implementation
[INFO] [stdout] 23 |     pub fn new(dimensions: usize, eps: f32, momentum: f32) -> BatchNormalizationLayer {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `training`, `dimensions`, and `momentum` are never read
[INFO] [stdout]   --> src/core/layers/layer_norm_1d.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct LayerNormalization1DLayer {
[INFO] [stdout]    |            ------------------------- fields in this struct
[INFO] [stdout] 13 |     training: bool,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 14 |     dimensions: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 15 |     eps: f32,
[INFO] [stdout] 16 |     momentum: f32,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LayerNormalization1DLayer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `exec` is never used
[INFO] [stdout]    --> src/core/model.rs:321:12
[INFO] [stdout]     |
[INFO] [stdout]  23 | impl Model {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 321 |     pub fn exec(&mut self) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "7742c04efcaed5271baeeef64bf61da1908f70562102da0f73a93eb13a372656", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7742c04efcaed5271baeeef64bf61da1908f70562102da0f73a93eb13a372656", kill_on_drop: false }`
[INFO] [stdout] 7742c04efcaed5271baeeef64bf61da1908f70562102da0f73a93eb13a372656
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d5911cec6b00e8bfd8f66a3d41bfc4595f4a2e26de11f92833b9fe6e7e2f126b
[INFO] running `Command { std: "docker" "start" "-a" "d5911cec6b00e8bfd8f66a3d41bfc4595f4a2e26de11f92833b9fe6e7e2f126b", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `ArrayBase`, `Dim`, and `OwnedRepr`
[INFO] [stderr]  --> src/infrastructure/dataset.rs:1:38
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ndarray::{Array, Array1, Array2, ArrayBase, ArrayView, Axis, Dim, OwnedRepr};
[INFO] [stderr]   |                                      ^^^^^^^^^                   ^^^  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/core/dataset.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Array1`, `Array2`, `ArrayView`, `Array`, and `Axis`
[INFO] [stderr]  --> src/core/dataset.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use ndarray::{Array, Array1, Array2, ArrayBase, ArrayView, Axis, Dim, OwnedRepr};
[INFO] [stderr]   |               ^^^^^  ^^^^^^  ^^^^^^             ^^^^^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Uniform`
[INFO] [stderr]  --> src/core/layers/linear_layer.rs:3:41
[INFO] [stderr]   |
[INFO] [stderr] 3 | use ndarray_rand::{rand_distr::{Normal, Uniform}, RandomExt};
[INFO] [stderr]   |                                         ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Axis`
[INFO] [stderr]  --> src/core/layers/batch_norm_layer.rs:1:23
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ndarray::{Array2, Axis};
[INFO] [stderr]   |                       ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Normal`, `RandomExt`, and `Uniform`
[INFO] [stderr]  --> src/core/layers/batch_norm_layer.rs:2:33
[INFO] [stderr]   |
[INFO] [stderr] 2 | use ndarray_rand::{rand_distr::{Normal, Uniform}, RandomExt};
[INFO] [stderr]   |                                 ^^^^^^  ^^^^^^^   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Normal`, `RandomExt`, and `Uniform`
[INFO] [stderr]  --> src/core/layers/layer_norm_1d.rs:5:33
[INFO] [stderr]   |
[INFO] [stderr] 5 | use ndarray_rand::{rand_distr::{Normal, Uniform}, RandomExt};
[INFO] [stderr]   |                                 ^^^^^^  ^^^^^^^   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `LayerType`
[INFO] [stderr]  --> src/core/layers/layer_norm_1d.rs:7:33
[INFO] [stderr]   |
[INFO] [stderr] 7 | use crate::core::layer::{Layer, LayerType};
[INFO] [stderr]   |                                 ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `collections::HashMap`
[INFO] [stderr]  --> src/core/model.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{collections::HashMap, vec};
[INFO] [stderr]   |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Zip` and `concatenate`
[INFO] [stderr]  --> src/core/model.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 | use ndarray::{concatenate, s, Array2, Array3, Axis, Zip};
[INFO] [stderr]   |               ^^^^^^^^^^^                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `RandomExt` and `rand_distr::num_traits::ToPrimitive`
[INFO] [stderr]  --> src/core/model.rs:4:20
[INFO] [stderr]   |
[INFO] [stderr] 4 | use ndarray_rand::{rand_distr::num_traits::ToPrimitive, RandomExt};
[INFO] [stderr]   |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Array1`, `ArrayView`, `Array`, and `Axis`
[INFO] [stderr]  --> src/main.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 | use ndarray::{Array, Array1, Array2, ArrayView, Axis};
[INFO] [stderr]   |               ^^^^^  ^^^^^^          ^^^^^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ndarray::s`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use ndarray::s;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env::VarError`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::env::VarError;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Layers`
[INFO] [stderr]   --> src/main.rs:17:33
[INFO] [stderr]    |
[INFO] [stderr] 17 | use crate::core::layer::{Layer, Layers};
[INFO] [stderr]    |                                 ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::core::layers::batch_norm_layer::BatchNormalizationLayer`
[INFO] [stderr]   --> src/main.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use crate::core::layers::batch_norm_layer::BatchNormalizationLayer;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `previous_grad`
[INFO] [stderr]   --> src/core/layers/batch_norm_layer.rs:70:24
[INFO] [stderr]    |
[INFO] [stderr] 70 |     fn grad(&mut self, previous_grad: &Array2<f32>) -> Vec<Array2<f32>> {
[INFO] [stderr]    |                        ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_previous_grad`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/core/model.rs:150:21
[INFO] [stderr]     |
[INFO] [stderr] 150 |                     _ => continue,
[INFO] [stderr]     |                     ^ no value can reach this
[INFO] [stderr]     |
[INFO] [stderr] note: multiple earlier patterns match some of the same values
[INFO] [stderr]    --> src/core/model.rs:150:21
[INFO] [stderr]     |
[INFO] [stderr] 136 |                     crate::core::layer::LayerType::Linear => {
[INFO] [stderr]     |                     ------------------------------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 142 |                     crate::core::layer::LayerType::LayerNormalization1DLayer => {
[INFO] [stderr]     |                     -------------------------------------------------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 146 |                     crate::core::layer::LayerType::BatchNormalization => todo!(),
[INFO] [stderr]     |                     ------------------------------------------------- matches some of the same values
[INFO] [stderr] 147 |                     crate::core::layer::LayerType::Tanh => {
[INFO] [stderr]     |                     ----------------------------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 150 |                     _ => continue,
[INFO] [stderr]     |                     ^ collectively making this unreachable
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/core/model.rs:235:17
[INFO] [stderr]     |
[INFO] [stderr] 235 |         for (i, mut row) in probs.axis_iter_mut(Axis(0)).enumerate() {
[INFO] [stderr]     |                 ----^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `words` and `splits_params` are never read
[INFO] [stderr]  --> src/infrastructure/dataset.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct DatasetBuilder {
[INFO] [stderr]   |            -------------- fields in this struct
[INFO] [stderr] 6 |     pub words: Vec<String>,
[INFO] [stderr]   |         ^^^^^
[INFO] [stderr] 7 |     pub splits_params: (f64, f64, f64),
[INFO] [stderr]   |         ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `x_val`, `y_val`, `x_test`, and `y_test` are never read
[INFO] [stderr]   --> src/core/dataset.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct Dataset {
[INFO] [stderr]    |            ------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 13 |     pub x_val: DatasetComponent,
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] 14 |     pub  y_val: DatasetComponent,
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr] 15 |     pub x_test: DatasetComponent,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr] 16 |     pub y_test: DatasetComponent,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Dataset` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variants `InvalidContextLength` and `InvalidVocabulary` are never constructed
[INFO] [stderr]   --> src/core/dataset.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub enum DatabaseBuilderErrors {
[INFO] [stderr]    |          --------------------- variants in this enum
[INFO] [stderr] 21 |     InvalidContextLength,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 22 |     InvalidVocabulary,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `DatabaseBuilderErrors` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variants `InternalServerError` and `ProviderRequestError` are never constructed
[INFO] [stderr]  --> src/core/vocabulary.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub enum VocabularyErrors {
[INFO] [stderr]   |          ---------------- variants in this enum
[INFO] [stderr] 4 |     FileNotFound,
[INFO] [stderr] 5 |     InternalServerError,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 6 |     ProviderRequestError,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `chars` and `itos` are never read
[INFO] [stderr]   --> src/core/vocabulary.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub struct Vocabulary {
[INFO] [stderr]    |            ---------- fields in this struct
[INFO] [stderr] 12 |     pub chars: Vec<char>,
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] 13 |     pub stoi: HashMap<String, usize>,
[INFO] [stderr] 14 |     pub itos: HashMap<usize, String>,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Vocabulary` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: method `copy` is never used
[INFO] [stderr]   --> src/core/vocabulary.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub trait VocabularyAbstract {
[INFO] [stderr]    |           ------------------ method in this trait
[INFO] [stderr] ...
[INFO] [stderr] 22 |     fn copy(&self) -> Vocabulary;
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `get_output` is never used
[INFO] [stderr]   --> src/core/layer.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr]  5 | pub trait Layer {
[INFO] [stderr]    |           ----- method in this trait
[INFO] [stderr] ...
[INFO] [stderr] 12 |     fn get_output(&self) -> Option<Array2<f32>>;
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `BatchNormalization` is never constructed
[INFO] [stderr]   --> src/core/layer.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub enum LayerType {
[INFO] [stderr]    |          --------- variant in this enum
[INFO] [stderr] 17 |     Linear,
[INFO] [stderr] 18 |     BatchNormalization,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `LayerType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Layers` is never used
[INFO] [stderr]   --> src/core/layer.rs:24:10
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub enum Layers {
[INFO] [stderr]    |          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `BatchNormalizationLayer` is never constructed
[INFO] [stderr]  --> src/core/layers/batch_norm_layer.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct BatchNormalizationLayer {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/core/layers/batch_norm_layer.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 22 | impl BatchNormalizationLayer {
[INFO] [stderr]    | ---------------------------- associated function in this implementation
[INFO] [stderr] 23 |     pub fn new(dimensions: usize, eps: f32, momentum: f32) -> BatchNormalizationLayer {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `training`, `dimensions`, and `momentum` are never read
[INFO] [stderr]   --> src/core/layers/layer_norm_1d.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub struct LayerNormalization1DLayer {
[INFO] [stderr]    |            ------------------------- fields in this struct
[INFO] [stderr] 13 |     training: bool,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 14 |     dimensions: usize,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 15 |     eps: f32,
[INFO] [stderr] 16 |     momentum: f32,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `LayerNormalization1DLayer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: method `exec` is never used
[INFO] [stderr]    --> src/core/model.rs:321:12
[INFO] [stderr]     |
[INFO] [stderr]  23 | impl Model {
[INFO] [stderr]     | ---------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 321 |     pub fn exec(&mut self) {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-data-analytics` (bin "rust-data-analytics" test) generated 32 warnings (run `cargo fix --bin "rust-data-analytics" -p rust-data-analytics --tests` to apply 18 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_data_analytics-de78c8fe68776e64)
[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] running `Command { std: "docker" "inspect" "d5911cec6b00e8bfd8f66a3d41bfc4595f4a2e26de11f92833b9fe6e7e2f126b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5911cec6b00e8bfd8f66a3d41bfc4595f4a2e26de11f92833b9fe6e7e2f126b", kill_on_drop: false }`
[INFO] [stdout] d5911cec6b00e8bfd8f66a3d41bfc4595f4a2e26de11f92833b9fe6e7e2f126b
