Dec 17 13:33:50.337 INFO checking tinrab/rusty-neuron against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 13:33:50.337 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/tinrab/rusty-neuron:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 13:33:50.877 INFO [stdout] 4257842cc5f8d6e04f8c4723560a5c473f15e47d69b0f6365e13cf7c1fca5697
Dec 17 13:33:50.879 INFO running `"docker" "start" "-a" "4257842cc5f8d6e04f8c4723560a5c473f15e47d69b0f6365e13cf7c1fca5697"`
Dec 17 13:33:52.848 INFO [stderr]     Checking rand v0.5.4
Dec 17 13:33:55.268 INFO [stderr]     Checking rusty-neuron v0.1.0 (/opt/crater/workdir)
Dec 17 13:33:55.522 INFO [stderr] warning: unused import: `activation::*`
Dec 17 13:33:55.522 INFO [stderr]  --> src/synapse.rs:2:5
Dec 17 13:33:55.522 INFO [stderr]   |
Dec 17 13:33:55.522 INFO [stderr] 2 | use activation::*;
Dec 17 13:33:55.522 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 17 13:33:55.522 INFO [stderr]   |
Dec 17 13:33:55.522 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 13:33:55.522 INFO [stderr] 
Dec 17 13:33:55.522 INFO [stderr] warning: unused import: `activation::*`
Dec 17 13:33:55.522 INFO [stderr]  --> src/network.rs:1:5
Dec 17 13:33:55.522 INFO [stderr]   |
Dec 17 13:33:55.522 INFO [stderr] 1 | use activation::*;
Dec 17 13:33:55.522 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 17 13:33:55.522 INFO [stderr] 
Dec 17 13:33:55.522 INFO [stderr] warning: unused import: `error::*`
Dec 17 13:33:55.522 INFO [stderr]  --> src/network.rs:2:5
Dec 17 13:33:55.522 INFO [stderr]   |
Dec 17 13:33:55.522 INFO [stderr] 2 | use error::*;
Dec 17 13:33:55.523 INFO [stderr]   |     ^^^^^^^^
Dec 17 13:33:55.523 INFO [stderr] 
Dec 17 13:33:55.523 INFO [stderr] warning: unused import: `regularization::*`
Dec 17 13:33:55.523 INFO [stderr]  --> src/network.rs:3:5
Dec 17 13:33:55.523 INFO [stderr]   |
Dec 17 13:33:55.523 INFO [stderr] 3 | use regularization::*;
Dec 17 13:33:55.523 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 17 13:33:55.523 INFO [stderr] 
Dec 17 13:33:55.523 INFO [stderr] warning: unused import: `neuron::*`
Dec 17 13:33:55.523 INFO [stderr]  --> src/network.rs:4:5
Dec 17 13:33:55.523 INFO [stderr]   |
Dec 17 13:33:55.523 INFO [stderr] 4 | use neuron::*;
Dec 17 13:33:55.523 INFO [stderr]   |     ^^^^^^^^^
Dec 17 13:33:55.523 INFO [stderr] 
Dec 17 13:33:55.523 INFO [stderr] warning: unused import: `activation::*`
Dec 17 13:33:55.523 INFO [stderr]  --> src/synapse.rs:2:5
Dec 17 13:33:55.523 INFO [stderr]   |
Dec 17 13:33:55.523 INFO [stderr] 2 | use activation::*;
Dec 17 13:33:55.523 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 17 13:33:55.523 INFO [stderr]   |
Dec 17 13:33:55.523 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 13:33:55.523 INFO [stderr] 
Dec 17 13:33:55.523 INFO [stderr] warning: unused import: `activation::*`
Dec 17 13:33:55.523 INFO [stderr]  --> src/network.rs:1:5
Dec 17 13:33:55.523 INFO [stderr]   |
Dec 17 13:33:55.523 INFO [stderr] 1 | use activation::*;
Dec 17 13:33:55.523 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 17 13:33:55.523 INFO [stderr] 
Dec 17 13:33:55.523 INFO [stderr] warning: unused import: `error::*`
Dec 17 13:33:55.523 INFO [stderr]  --> src/network.rs:2:5
Dec 17 13:33:55.523 INFO [stderr]   |
Dec 17 13:33:55.523 INFO [stderr] 2 | use error::*;
Dec 17 13:33:55.523 INFO [stderr]   |     ^^^^^^^^
Dec 17 13:33:55.523 INFO [stderr] 
Dec 17 13:33:55.523 INFO [stderr] warning: unused import: `regularization::*`
Dec 17 13:33:55.523 INFO [stderr]  --> src/network.rs:3:5
Dec 17 13:33:55.523 INFO [stderr]   |
Dec 17 13:33:55.523 INFO [stderr] 3 | use regularization::*;
Dec 17 13:33:55.523 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 17 13:33:55.523 INFO [stderr] 
Dec 17 13:33:55.523 INFO [stderr] warning: unused import: `neuron::*`
Dec 17 13:33:55.523 INFO [stderr]  --> src/network.rs:4:5
Dec 17 13:33:55.523 INFO [stderr]   |
Dec 17 13:33:55.523 INFO [stderr] 4 | use neuron::*;
Dec 17 13:33:55.523 INFO [stderr]   |     ^^^^^^^^^
Dec 17 13:33:55.523 INFO [stderr] 
Dec 17 13:33:55.523 INFO [stderr] warning: unused import: `super::*`
Dec 17 13:33:55.523 INFO [stderr]   --> src/network.rs:16:6
Dec 17 13:33:55.523 INFO [stderr]    |
Dec 17 13:33:55.523 INFO [stderr] 16 |     use super::*;
Dec 17 13:33:55.523 INFO [stderr]    |         ^^^^^^^^
Dec 17 13:33:55.523 INFO [stderr] 
Dec 17 13:33:55.612 INFO [stderr] warning: unused variable: `x`
Dec 17 13:33:55.613 INFO [stderr]   --> src/activation.rs:13:23
Dec 17 13:33:55.613 INFO [stderr]    |
Dec 17 13:33:55.613 INFO [stderr] 13 |     fn derivative(&self, x: f64) -> f64 {
Dec 17 13:33:55.613 INFO [stderr]    |                          ^ help: consider using `_x` instead
Dec 17 13:33:55.613 INFO [stderr]    |
Dec 17 13:33:55.613 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 13:33:55.613 INFO [stderr] 
Dec 17 13:33:55.613 INFO [stderr] warning: unused variable: `structure`
Dec 17 13:33:55.613 INFO [stderr]  --> src/network.rs:9:13
Dec 17 13:33:55.613 INFO [stderr]   |
Dec 17 13:33:55.613 INFO [stderr] 9 |     pub fn new(structure: &[u32]) -> Network {
Dec 17 13:33:55.613 INFO [stderr]   |                ^^^^^^^^^ help: consider using `_structure` instead
Dec 17 13:33:55.613 INFO [stderr] 
Dec 17 13:33:55.617 INFO [stderr] warning: struct is never constructed: `ReLUActivationFunction`
Dec 17 13:33:55.617 INFO [stderr]   --> src/activation.rs:18:1
Dec 17 13:33:55.617 INFO [stderr]    |
Dec 17 13:33:55.617 INFO [stderr] 18 | pub struct ReLUActivationFunction {}
Dec 17 13:33:55.617 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:33:55.617 INFO [stderr]    |
Dec 17 13:33:55.617 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 13:33:55.617 INFO [stderr] 
Dec 17 13:33:55.624 INFO [stderr] warning: struct is never constructed: `SigmoidActivationFunction`
Dec 17 13:33:55.624 INFO [stderr]   --> src/activation.rs:34:1
Dec 17 13:33:55.624 INFO [stderr]    |
Dec 17 13:33:55.624 INFO [stderr] 34 | pub struct SigmoidActivationFunction {}
Dec 17 13:33:55.624 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:33:55.624 INFO [stderr] 
Dec 17 13:33:55.625 INFO [stderr] warning: struct is never constructed: `TanhActivationFunction`
Dec 17 13:33:55.625 INFO [stderr]   --> src/activation.rs:47:1
Dec 17 13:33:55.625 INFO [stderr]    |
Dec 17 13:33:55.625 INFO [stderr] 47 | pub struct TanhActivationFunction {}
Dec 17 13:33:55.625 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:33:55.625 INFO [stderr] 
Dec 17 13:33:55.625 INFO [stderr] warning: struct is never constructed: `SquareErrorFunction`
Dec 17 13:33:55.625 INFO [stderr]  --> src/error.rs:6:1
Dec 17 13:33:55.625 INFO [stderr]   |
Dec 17 13:33:55.625 INFO [stderr] 6 | pub struct SquareErrorFunction {}
Dec 17 13:33:55.625 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:33:55.625 INFO [stderr] 
Dec 17 13:33:55.625 INFO [stderr] warning: struct is never constructed: `L1RegularizationFunction`
Dec 17 13:33:55.625 INFO [stderr]  --> src/regularization.rs:6:1
Dec 17 13:33:55.625 INFO [stderr]   |
Dec 17 13:33:55.626 INFO [stderr] 6 | pub struct L1RegularizationFunction {}
Dec 17 13:33:55.626 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:33:55.626 INFO [stderr] 
Dec 17 13:33:55.626 INFO [stderr] warning: struct is never constructed: `L2RegularizationFunction`
Dec 17 13:33:55.626 INFO [stderr]   --> src/regularization.rs:18:1
Dec 17 13:33:55.626 INFO [stderr]    |
Dec 17 13:33:55.626 INFO [stderr] 18 | pub struct L2RegularizationFunction {}
Dec 17 13:33:55.626 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:33:55.626 INFO [stderr] 
Dec 17 13:33:55.626 INFO [stderr] warning: field is never used: `activation`
Dec 17 13:33:55.627 INFO [stderr]  --> src/neuron.rs:4:2
Dec 17 13:33:55.627 INFO [stderr]   |
Dec 17 13:33:55.627 INFO [stderr] 4 |     activation: Box<ActivationFunction>,
Dec 17 13:33:55.627 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:33:55.627 INFO [stderr] 
Dec 17 13:33:55.627 INFO [stderr] warning: field is never used: `bias`
Dec 17 13:33:55.627 INFO [stderr]  --> src/neuron.rs:5:2
Dec 17 13:33:55.627 INFO [stderr]   |
Dec 17 13:33:55.627 INFO [stderr] 5 |     bias: f64,
Dec 17 13:33:55.627 INFO [stderr]   |     ^^^^^^^^^
Dec 17 13:33:55.627 INFO [stderr] 
Dec 17 13:33:55.627 INFO [stderr] warning: field is never used: `input`
Dec 17 13:33:55.627 INFO [stderr]  --> src/neuron.rs:6:2
Dec 17 13:33:55.627 INFO [stderr]   |
Dec 17 13:33:55.627 INFO [stderr] 6 |     input: f64,
Dec 17 13:33:55.627 INFO [stderr]   |     ^^^^^^^^^^
Dec 17 13:33:55.628 INFO [stderr] 
Dec 17 13:33:55.628 INFO [stderr] warning: field is never used: `output`
Dec 17 13:33:55.628 INFO [stderr]  --> src/neuron.rs:7:2
Dec 17 13:33:55.628 INFO [stderr]   |
Dec 17 13:33:55.628 INFO [stderr] 7 |     output: f64,
Dec 17 13:33:55.628 INFO [stderr]   |     ^^^^^^^^^^^
Dec 17 13:33:55.628 INFO [stderr] 
Dec 17 13:33:55.628 INFO [stderr] warning: field is never used: `output_derivative`
Dec 17 13:33:55.628 INFO [stderr]  --> src/neuron.rs:8:2
Dec 17 13:33:55.628 INFO [stderr]   |
Dec 17 13:33:55.628 INFO [stderr] 8 |     output_derivative: f64,
Dec 17 13:33:55.628 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:33:55.628 INFO [stderr] 
Dec 17 13:33:55.629 INFO [stderr] warning: field is never used: `input_derivative`
Dec 17 13:33:55.629 INFO [stderr]  --> src/neuron.rs:9:2
Dec 17 13:33:55.629 INFO [stderr]   |
Dec 17 13:33:55.629 INFO [stderr] 9 |     input_derivative: f64,
Dec 17 13:33:55.629 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:33:55.629 INFO [stderr] 
Dec 17 13:33:55.629 INFO [stderr] warning: field is never used: `input_derivative_sum`
Dec 17 13:33:55.629 INFO [stderr]   --> src/neuron.rs:10:2
Dec 17 13:33:55.629 INFO [stderr]    |
Dec 17 13:33:55.629 INFO [stderr] 10 |     input_derivative_sum: f64,
Dec 17 13:33:55.629 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:33:55.629 INFO [stderr] 
Dec 17 13:33:55.629 INFO [stderr] warning: field is never used: `input_derivative_count`
Dec 17 13:33:55.629 INFO [stderr]   --> src/neuron.rs:11:2
Dec 17 13:33:55.629 INFO [stderr]    |
Dec 17 13:33:55.629 INFO [stderr] 11 |     input_derivative_count: u32,
Dec 17 13:33:55.629 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:33:55.629 INFO [stderr] 
Dec 17 13:33:55.630 INFO [stderr] warning: method is never used: `new`
Dec 17 13:33:55.630 INFO [stderr]   --> src/neuron.rs:30:2
Dec 17 13:33:55.630 INFO [stderr]    |
Dec 17 13:33:55.630 INFO [stderr] 30 |     pub fn new(activation: Box<ActivationFunction>) -> Self {
Dec 17 13:33:55.630 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:33:55.630 INFO [stderr] 
Dec 17 13:33:55.630 INFO [stderr] warning: method is never used: `reset`
Dec 17 13:33:55.630 INFO [stderr]   --> src/neuron.rs:37:2
Dec 17 13:33:55.630 INFO [stderr]    |
Dec 17 13:33:55.630 INFO [stderr] 37 |     pub fn reset(&mut self) {
Dec 17 13:33:55.630 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:33:55.630 INFO [stderr] 
Dec 17 13:33:55.630 INFO [stderr] warning: method is never used: `update`
Dec 17 13:33:55.630 INFO [stderr]   --> src/neuron.rs:41:2
Dec 17 13:33:55.630 INFO [stderr]    |
Dec 17 13:33:55.630 INFO [stderr] 41 |     pub fn update(&mut self) -> f64 {
Dec 17 13:33:55.630 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:33:55.631 INFO [stderr] 
Dec 17 13:33:55.631 INFO [stderr] warning: struct is never constructed: `Synapse`
Dec 17 13:33:55.631 INFO [stderr]  --> src/synapse.rs:6:1
Dec 17 13:33:55.631 INFO [stderr]   |
Dec 17 13:33:55.631 INFO [stderr] 6 | pub struct Synapse<'a> {
Dec 17 13:33:55.631 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:33:55.631 INFO [stderr] 
Dec 17 13:33:55.631 INFO [stderr] warning: method is never used: `new`
Dec 17 13:33:55.631 INFO [stderr]   --> src/synapse.rs:17:2
Dec 17 13:33:55.631 INFO [stderr]    |
Dec 17 13:33:55.631 INFO [stderr] 17 |     pub fn new(source: &'a Neuron, target: &'a Neuron, regularization: Box<RegularizationFunction>) -> Self {
Dec 17 13:33:55.631 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:33:55.631 INFO [stderr] 
Dec 17 13:33:55.636 INFO [stderr] warning: struct is never constructed: `Network`
Dec 17 13:33:55.636 INFO [stderr]  --> src/network.rs:6:1
Dec 17 13:33:55.636 INFO [stderr]   |
Dec 17 13:33:55.637 INFO [stderr] 6 | pub struct Network {}
Dec 17 13:33:55.637 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 17 13:33:55.637 INFO [stderr] 
Dec 17 13:33:55.637 INFO [stderr] warning: method is never used: `new`
Dec 17 13:33:55.637 INFO [stderr]  --> src/network.rs:9:2
Dec 17 13:33:55.638 INFO [stderr]   |
Dec 17 13:33:55.638 INFO [stderr] 9 |     pub fn new(structure: &[u32]) -> Network {
Dec 17 13:33:55.638 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:33:55.638 INFO [stderr] 
Dec 17 13:33:55.653 INFO [stderr] warning: unused variable: `x`
Dec 17 13:33:55.653 INFO [stderr]   --> src/activation.rs:13:23
Dec 17 13:33:55.653 INFO [stderr]    |
Dec 17 13:33:55.653 INFO [stderr] 13 |     fn derivative(&self, x: f64) -> f64 {
Dec 17 13:33:55.653 INFO [stderr]    |                          ^ help: consider using `_x` instead
Dec 17 13:33:55.653 INFO [stderr]    |
Dec 17 13:33:55.664 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 13:33:55.664 INFO [stderr] 
Dec 17 13:33:55.665 INFO [stderr] warning: unused variable: `structure`
Dec 17 13:33:55.665 INFO [stderr]  --> src/network.rs:9:13
Dec 17 13:33:55.665 INFO [stderr]   |
Dec 17 13:33:55.665 INFO [stderr] 9 |     pub fn new(structure: &[u32]) -> Network {
Dec 17 13:33:55.665 INFO [stderr]   |                ^^^^^^^^^ help: consider using `_structure` instead
Dec 17 13:33:55.665 INFO [stderr] 
Dec 17 13:33:55.688 INFO [stderr] warning: struct is never constructed: `ReLUActivationFunction`
Dec 17 13:33:55.688 INFO [stderr]   --> src/activation.rs:18:1
Dec 17 13:33:55.688 INFO [stderr]    |
Dec 17 13:33:55.688 INFO [stderr] 18 | pub struct ReLUActivationFunction {}
Dec 17 13:33:55.688 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:33:55.688 INFO [stderr]    |
Dec 17 13:33:55.688 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 13:33:55.688 INFO [stderr] 
Dec 17 13:33:55.689 INFO [stderr] warning: struct is never constructed: `SigmoidActivationFunction`
Dec 17 13:33:55.689 INFO [stderr]   --> src/activation.rs:34:1
Dec 17 13:33:55.689 INFO [stderr]    |
Dec 17 13:33:55.689 INFO [stderr] 34 | pub struct SigmoidActivationFunction {}
Dec 17 13:33:55.689 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:33:55.689 INFO [stderr] 
Dec 17 13:33:55.689 INFO [stderr] warning: struct is never constructed: `TanhActivationFunction`
Dec 17 13:33:55.689 INFO [stderr]   --> src/activation.rs:47:1
Dec 17 13:33:55.689 INFO [stderr]    |
Dec 17 13:33:55.689 INFO [stderr] 47 | pub struct TanhActivationFunction {}
Dec 17 13:33:55.689 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:33:55.689 INFO [stderr] 
Dec 17 13:33:55.689 INFO [stderr] warning: struct is never constructed: `SquareErrorFunction`
Dec 17 13:33:55.689 INFO [stderr]  --> src/error.rs:6:1
Dec 17 13:33:55.689 INFO [stderr]   |
Dec 17 13:33:55.689 INFO [stderr] 6 | pub struct SquareErrorFunction {}
Dec 17 13:33:55.689 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:33:55.689 INFO [stderr] 
Dec 17 13:33:55.689 INFO [stderr] warning: struct is never constructed: `L1RegularizationFunction`
Dec 17 13:33:55.689 INFO [stderr]  --> src/regularization.rs:6:1
Dec 17 13:33:55.689 INFO [stderr]   |
Dec 17 13:33:55.689 INFO [stderr] 6 | pub struct L1RegularizationFunction {}
Dec 17 13:33:55.689 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:33:55.689 INFO [stderr] 
Dec 17 13:33:55.689 INFO [stderr] warning: struct is never constructed: `L2RegularizationFunction`
Dec 17 13:33:55.689 INFO [stderr]   --> src/regularization.rs:18:1
Dec 17 13:33:55.689 INFO [stderr]    |
Dec 17 13:33:55.689 INFO [stderr] 18 | pub struct L2RegularizationFunction {}
Dec 17 13:33:55.689 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:33:55.690 INFO [stderr] 
Dec 17 13:33:55.690 INFO [stderr] warning: field is never used: `activation`
Dec 17 13:33:55.690 INFO [stderr]  --> src/neuron.rs:4:2
Dec 17 13:33:55.690 INFO [stderr]   |
Dec 17 13:33:55.690 INFO [stderr] 4 |     activation: Box<ActivationFunction>,
Dec 17 13:33:55.690 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:33:55.690 INFO [stderr] 
Dec 17 13:33:55.690 INFO [stderr] warning: field is never used: `bias`
Dec 17 13:33:55.690 INFO [stderr]  --> src/neuron.rs:5:2
Dec 17 13:33:55.690 INFO [stderr]   |
Dec 17 13:33:55.690 INFO [stderr] 5 |     bias: f64,
Dec 17 13:33:55.690 INFO [stderr]   |     ^^^^^^^^^
Dec 17 13:33:55.690 INFO [stderr] 
Dec 17 13:33:55.690 INFO [stderr] warning: field is never used: `input`
Dec 17 13:33:55.690 INFO [stderr]  --> src/neuron.rs:6:2
Dec 17 13:33:55.690 INFO [stderr]   |
Dec 17 13:33:55.690 INFO [stderr] 6 |     input: f64,
Dec 17 13:33:55.690 INFO [stderr]   |     ^^^^^^^^^^
Dec 17 13:33:55.690 INFO [stderr] 
Dec 17 13:33:55.691 INFO [stderr] warning: field is never used: `output`
Dec 17 13:33:55.691 INFO [stderr]  --> src/neuron.rs:7:2
Dec 17 13:33:55.691 INFO [stderr]   |
Dec 17 13:33:55.691 INFO [stderr] 7 |     output: f64,
Dec 17 13:33:55.691 INFO [stderr]   |     ^^^^^^^^^^^
Dec 17 13:33:55.691 INFO [stderr] 
Dec 17 13:33:55.696 INFO [stderr] warning: field is never used: `output_derivative`
Dec 17 13:33:55.696 INFO [stderr]  --> src/neuron.rs:8:2
Dec 17 13:33:55.696 INFO [stderr]   |
Dec 17 13:33:55.696 INFO [stderr] 8 |     output_derivative: f64,
Dec 17 13:33:55.696 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:33:55.696 INFO [stderr] 
Dec 17 13:33:55.696 INFO [stderr] warning: field is never used: `input_derivative`
Dec 17 13:33:55.696 INFO [stderr]  --> src/neuron.rs:9:2
Dec 17 13:33:55.696 INFO [stderr]   |
Dec 17 13:33:55.696 INFO [stderr] 9 |     input_derivative: f64,
Dec 17 13:33:55.696 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:33:55.696 INFO [stderr] 
Dec 17 13:33:55.697 INFO [stderr] warning: field is never used: `input_derivative_sum`
Dec 17 13:33:55.697 INFO [stderr]   --> src/neuron.rs:10:2
Dec 17 13:33:55.697 INFO [stderr]    |
Dec 17 13:33:55.697 INFO [stderr] 10 |     input_derivative_sum: f64,
Dec 17 13:33:55.697 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:33:55.697 INFO [stderr] 
Dec 17 13:33:55.697 INFO [stderr] warning: field is never used: `input_derivative_count`
Dec 17 13:33:55.697 INFO [stderr]   --> src/neuron.rs:11:2
Dec 17 13:33:55.697 INFO [stderr]    |
Dec 17 13:33:55.697 INFO [stderr] 11 |     input_derivative_count: u32,
Dec 17 13:33:55.697 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:33:55.697 INFO [stderr] 
Dec 17 13:33:55.697 INFO [stderr] warning: method is never used: `new`
Dec 17 13:33:55.697 INFO [stderr]   --> src/neuron.rs:30:2
Dec 17 13:33:55.697 INFO [stderr]    |
Dec 17 13:33:55.697 INFO [stderr] 30 |     pub fn new(activation: Box<ActivationFunction>) -> Self {
Dec 17 13:33:55.697 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:33:55.697 INFO [stderr] 
Dec 17 13:33:55.697 INFO [stderr] warning: method is never used: `reset`
Dec 17 13:33:55.697 INFO [stderr]   --> src/neuron.rs:37:2
Dec 17 13:33:55.697 INFO [stderr]    |
Dec 17 13:33:55.697 INFO [stderr] 37 |     pub fn reset(&mut self) {
Dec 17 13:33:55.697 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:33:55.697 INFO [stderr] 
Dec 17 13:33:55.697 INFO [stderr] warning: method is never used: `update`
Dec 17 13:33:55.698 INFO [stderr]   --> src/neuron.rs:41:2
Dec 17 13:33:55.698 INFO [stderr]    |
Dec 17 13:33:55.698 INFO [stderr] 41 |     pub fn update(&mut self) -> f64 {
Dec 17 13:33:55.698 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:33:55.698 INFO [stderr] 
Dec 17 13:33:55.698 INFO [stderr] warning: struct is never constructed: `Synapse`
Dec 17 13:33:55.698 INFO [stderr]  --> src/synapse.rs:6:1
Dec 17 13:33:55.698 INFO [stderr]   |
Dec 17 13:33:55.698 INFO [stderr] 6 | pub struct Synapse<'a> {
Dec 17 13:33:55.698 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:33:55.698 INFO [stderr] 
Dec 17 13:33:55.698 INFO [stderr] warning: method is never used: `new`
Dec 17 13:33:55.698 INFO [stderr]   --> src/synapse.rs:17:2
Dec 17 13:33:55.698 INFO [stderr]    |
Dec 17 13:33:55.698 INFO [stderr] 17 |     pub fn new(source: &'a Neuron, target: &'a Neuron, regularization: Box<RegularizationFunction>) -> Self {
Dec 17 13:33:55.698 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:33:55.698 INFO [stderr] 
Dec 17 13:33:55.698 INFO [stderr] warning: struct is never constructed: `Network`
Dec 17 13:33:55.698 INFO [stderr]  --> src/network.rs:6:1
Dec 17 13:33:55.698 INFO [stderr]   |
Dec 17 13:33:55.698 INFO [stderr] 6 | pub struct Network {}
Dec 17 13:33:55.698 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 17 13:33:55.698 INFO [stderr] 
Dec 17 13:33:55.698 INFO [stderr] warning: method is never used: `new`
Dec 17 13:33:55.698 INFO [stderr]  --> src/network.rs:9:2
Dec 17 13:33:55.698 INFO [stderr]   |
Dec 17 13:33:55.698 INFO [stderr] 9 |     pub fn new(structure: &[u32]) -> Network {
Dec 17 13:33:55.698 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:33:55.698 INFO [stderr] 
Dec 17 13:33:55.780 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.02s
Dec 17 13:33:56.796 INFO running `"docker" "inspect" "4257842cc5f8d6e04f8c4723560a5c473f15e47d69b0f6365e13cf7c1fca5697"`
Dec 17 13:33:57.188 INFO running `"docker" "rm" "-f" "4257842cc5f8d6e04f8c4723560a5c473f15e47d69b0f6365e13cf7c1fca5697"`
Dec 17 13:33:57.488 INFO [stdout] 4257842cc5f8d6e04f8c4723560a5c473f15e47d69b0f6365e13cf7c1fca5697