[INFO] cloning repository https://github.com/Tim-Looijen/rNN-from-scratch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Tim-Looijen/rNN-from-scratch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTim-Looijen%2FrNN-from-scratch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTim-Looijen%2FrNN-from-scratch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a349dfea0c85ba2376966e677f2adc9f4f09d0e3
[INFO] checking Tim-Looijen/rNN-from-scratch against try#a7b168ac4977e8e93a43448b44847adaa305d5a9 for pr-150557
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTim-Looijen%2FrNN-from-scratch" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Tim-Looijen/rNN-from-scratch
[INFO] finished tweaking git repo https://github.com/Tim-Looijen/rNN-from-scratch
[INFO] tweaked toml for git repo https://github.com/Tim-Looijen/rNN-from-scratch written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Tim-Looijen/rNN-from-scratch on toolchain a7b168ac4977e8e93a43448b44847adaa305d5a9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7b168ac4977e8e93a43448b44847adaa305d5a9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Tim-Looijen/rNN-from-scratch 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" "+a7b168ac4977e8e93a43448b44847adaa305d5a9" "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 rand_isaac v0.3.0
[INFO] [stderr]   Downloaded ndarray-rand v0.15.0
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7b168ac4977e8e93a43448b44847adaa305d5a9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8eb385a81415fbf4032d85e5933d74b51ea340009f8f26f727ca5d323e772db2
[INFO] running `Command { std: "docker" "start" "-a" "8eb385a81415fbf4032d85e5933d74b51ea340009f8f26f727ca5d323e772db2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8eb385a81415fbf4032d85e5933d74b51ea340009f8f26f727ca5d323e772db2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8eb385a81415fbf4032d85e5933d74b51ea340009f8f26f727ca5d323e772db2", kill_on_drop: false }`
[INFO] [stdout] 8eb385a81415fbf4032d85e5933d74b51ea340009f8f26f727ca5d323e772db2
[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=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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7b168ac4977e8e93a43448b44847adaa305d5a9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7c8b725133ddd81abad2cd29cfd6eb9929c6c85ccca834fda152010dad66528
[INFO] running `Command { std: "docker" "start" "-a" "b7c8b725133ddd81abad2cd29cfd6eb9929c6c85ccca834fda152010dad66528", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking rand_isaac v0.3.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking ndarray v0.16.1
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking ndarray-rand v0.15.0
[INFO] [stderr]     Checking MNIST_from_scratch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `any::Any`
[INFO] [stdout]  --> src/deep_learning/activations.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     any::Any,
[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: `any::Any`
[INFO] [stdout]  --> src/deep_learning/activations.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     any::Any,
[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: `Array1`, `Array2`, `Ix1`, and `Ix2`
[INFO] [stdout]  --> src/deep_learning/activations.rs:6:22
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ndarray::{Array, Array1, Array2, Dimension, Ix1, Ix2};
[INFO] [stdout]   |                      ^^^^^^  ^^^^^^             ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Pointer` and `any::Any`
[INFO] [stdout]  --> src/deep_learning/layers.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     any::Any,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 3 |     fmt::{Debug, Display, Pointer},
[INFO] [stdout]   |                           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `::rand::SeedableRng`
[INFO] [stdout]  --> src/deep_learning/layers.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ::rand::SeedableRng;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ix1`
[INFO] [stdout]  --> src/deep_learning/layers.rs:7:55
[INFO] [stdout]   |
[INFO] [stdout] 7 | use ndarray::{Array, Array1, Array2, Axis, Dimension, Ix1, Ix2};
[INFO] [stdout]   |                                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand_isaac::Isaac64Rng`
[INFO] [stdout]  --> src/deep_learning/layers.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use rand_isaac::Isaac64Rng;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/deep_learning/layers.rs:11:41
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::deep_learning::activations::{self, Activation};
[INFO] [stdout]    |                                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Array1`, `Array2`, `Ix1`, and `Ix2`
[INFO] [stdout]  --> src/deep_learning/activations.rs:6:22
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ndarray::{Array, Array1, Array2, Dimension, Ix1, Ix2};
[INFO] [stdout]   |                      ^^^^^^  ^^^^^^             ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Pointer` and `any::Any`
[INFO] [stdout]  --> src/deep_learning/layers.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     any::Any,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 3 |     fmt::{Debug, Display, Pointer},
[INFO] [stdout]   |                           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `::rand::SeedableRng`
[INFO] [stdout]  --> src/deep_learning/layers.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ::rand::SeedableRng;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ix1`
[INFO] [stdout]  --> src/deep_learning/layers.rs:7:55
[INFO] [stdout]   |
[INFO] [stdout] 7 | use ndarray::{Array, Array1, Array2, Axis, Dimension, Ix1, Ix2};
[INFO] [stdout]   |                                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand_isaac::Isaac64Rng`
[INFO] [stdout]  --> src/deep_learning/layers.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use rand_isaac::Isaac64Rng;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/deep_learning/layers.rs:11:41
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::deep_learning::activations::{self, Activation};
[INFO] [stdout]    |                                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Debug` and `any::Any`
[INFO] [stdout]  --> src/deep_learning/model.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     any::Any,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 3 |     fmt::{Debug, Display},
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ArcArray`, `Dim`, `Ix1`, and `Ix`
[INFO] [stdout]  --> src/deep_learning/model.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ndarray::{ArcArray, Array, Array1, Array2, Dim, Dimension, Ix, Ix1, Ix2};
[INFO] [stdout]   |               ^^^^^^^^                         ^^^             ^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Linear`, `MSE`, `self`, and `self`
[INFO] [stdout]   --> src/deep_learning/model.rs:9:14
[INFO] [stdout]    |
[INFO] [stdout]  9 |     layers::{self, Layer, Linear},
[INFO] [stdout]    |              ^^^^         ^^^^^^
[INFO] [stdout] 10 |     loss_functions::{self, Criterion, MSE},
[INFO] [stdout]    |                      ^^^^             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Debug`
[INFO] [stdout]  --> src/mnist.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fmt::Debug;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Debug` and `any::Any`
[INFO] [stdout]  --> src/deep_learning/model.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     any::Any,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 3 |     fmt::{Debug, Display},
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ArcArray`, `Dim`, `Ix1`, and `Ix`
[INFO] [stdout]  --> src/deep_learning/model.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ndarray::{ArcArray, Array, Array1, Array2, Dim, Dimension, Ix, Ix1, Ix2};
[INFO] [stdout]   |               ^^^^^^^^                         ^^^             ^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Linear`, `MSE`, `self`, and `self`
[INFO] [stdout]   --> src/deep_learning/model.rs:9:14
[INFO] [stdout]    |
[INFO] [stdout]  9 |     layers::{self, Layer, Linear},
[INFO] [stdout]    |              ^^^^         ^^^^^^
[INFO] [stdout] 10 |     loss_functions::{self, Criterion, MSE},
[INFO] [stdout]    |                      ^^^^             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Debug`
[INFO] [stdout]  --> src/mnist.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fmt::Debug;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `upstream_gradiant`
[INFO] [stdout]   --> src/deep_learning/activations.rs:36:26
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn derivative(&self, upstream_gradiant: &Array<f32, D>) -> Array<f32, D> {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_upstream_gradiant`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `upstream_gradiant`
[INFO] [stdout]   --> src/deep_learning/activations.rs:36:26
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn derivative(&self, upstream_gradiant: &Array<f32, D>) -> Array<f32, D> {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_upstream_gradiant`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/mnist.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let x = reader.read_u32::<BigEndian>()?;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/mnist.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let y = reader.read_u32::<BigEndian>()?;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/mnist.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let x = reader.read_u32::<BigEndian>()?;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/mnist.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let y = reader.read_u32::<BigEndian>()?;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Sigmoid` is never constructed
[INFO] [stdout]   --> src/deep_learning/activations.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Sigmoid<D: Dimension> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/deep_learning/activations.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl<D: Dimension> Sigmoid<D> {
[INFO] [stdout]    | ----------------------------- associated function in this implementation
[INFO] [stdout] 19 |     pub fn new() -> Box<Self> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SEED` is never used
[INFO] [stdout]   --> src/deep_learning/layers.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const SEED: u64 = 42;
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `weights_gradiant` and `bias_gradiant` are never read
[INFO] [stdout]   --> src/deep_learning/layers.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct Linear<D: Dimension> {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 34 |     weights_gradiant: Option<Array<f32, D>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 35 |     bias_gradiant: Option<Array<f32, D>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Linear` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MSE` is never constructed
[INFO] [stdout]   --> src/deep_learning/loss_functions.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct MSE {}
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/deep_learning/loss_functions.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl MSE {
[INFO] [stdout]    | -------- associated function in this implementation
[INFO] [stdout] 13 |     pub fn new() -> Box<Self> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TEST_IMAGES_FILE` is never used
[INFO] [stdout]  --> src/mnist.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const TEST_IMAGES_FILE: &str = "data/t10k-images.idx3-ubyte";
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TEST_LABELS_FILE` is never used
[INFO] [stdout]  --> src/mnist.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const TEST_LABELS_FILE: &str = "data/t10k-labels.idx1-ubyte";
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Sigmoid` is never constructed
[INFO] [stdout]   --> src/deep_learning/activations.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Sigmoid<D: Dimension> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/deep_learning/activations.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl<D: Dimension> Sigmoid<D> {
[INFO] [stdout]    | ----------------------------- associated function in this implementation
[INFO] [stdout] 19 |     pub fn new() -> Box<Self> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SEED` is never used
[INFO] [stdout]   --> src/deep_learning/layers.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const SEED: u64 = 42;
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `weights_gradiant` and `bias_gradiant` are never read
[INFO] [stdout]   --> src/deep_learning/layers.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct Linear<D: Dimension> {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 34 |     weights_gradiant: Option<Array<f32, D>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 35 |     bias_gradiant: Option<Array<f32, D>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Linear` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `K` should have a snake case name
[INFO] [stdout]   --> src/deep_learning/layers.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let K: f32 = (1.0 / in_features as f32).sqrt();
[INFO] [stdout]    |             ^ help: convert the identifier to snake case (notice the capitalization): `k`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MSE` is never constructed
[INFO] [stdout]   --> src/deep_learning/loss_functions.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct MSE {}
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/deep_learning/loss_functions.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl MSE {
[INFO] [stdout]    | -------- associated function in this implementation
[INFO] [stdout] 13 |     pub fn new() -> Box<Self> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TEST_IMAGES_FILE` is never used
[INFO] [stdout]  --> src/mnist.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const TEST_IMAGES_FILE: &str = "data/t10k-images.idx3-ubyte";
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TEST_LABELS_FILE` is never used
[INFO] [stdout]  --> src/mnist.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const TEST_LABELS_FILE: &str = "data/t10k-labels.idx1-ubyte";
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `K` should have a snake case name
[INFO] [stdout]   --> src/deep_learning/layers.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let K: f32 = (1.0 / in_features as f32).sqrt();
[INFO] [stdout]    |             ^ help: convert the identifier to snake case (notice the capitalization): `k`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.93s
[INFO] running `Command { std: "docker" "inspect" "b7c8b725133ddd81abad2cd29cfd6eb9929c6c85ccca834fda152010dad66528", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7c8b725133ddd81abad2cd29cfd6eb9929c6c85ccca834fda152010dad66528", kill_on_drop: false }`
[INFO] [stdout] b7c8b725133ddd81abad2cd29cfd6eb9929c6c85ccca834fda152010dad66528