[INFO] cloning repository https://github.com/daill/firstnet
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[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaill%2Ffirstnet'...
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[INFO] checking daill/firstnet/3449fcbbf901c9859d7d21b2aef4a43c538c505b against try#ccf408f4326a858c00dd845a64a86b16f360a801 for pr-129466-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaill%2Ffirstnet" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/daill/firstnet on toolchain ccf408f4326a858c00dd845a64a86b16f360a801
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[INFO] finished tweaking git repo https://github.com/daill/firstnet
[INFO] tweaked toml for git repo https://github.com/daill/firstnet written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/daill/firstnet 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" "+ccf408f4326a858c00dd845a64a86b16f360a801" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Migrating Cargo.toml from 2021 edition to 2024
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking firstnet v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2021 edition to 2024
[INFO] [stderr]        Fixed src/net/network.rs (20 fixes)
[INFO] [stderr]        Fixed src/main.rs (2 fixes)
[INFO] [stderr]        Fixed src/net/neuron.rs (1 fix)
[INFO] [stderr]        Fixed src/net/layer.rs (5 fixes)
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/net/activation_functions.rs:53:23
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub fn nop_derivative(x: f32) -> f32 {
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/net/layer.rs:40:27
[INFO] [stdout]    |
[INFO] [stdout] 40 |             Neuron::Input(i) => 0,
[INFO] [stdout]    |                           ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `weights`
[INFO] [stdout]    --> src/net/neuron.rs:206:16
[INFO] [stdout]     |
[INFO] [stdout] 206 |     pub fn new(weights: Array1<f32>) -> Input {
[INFO] [stdout]     |                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_weights`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sigmoid` is never used
[INFO] [stdout]   --> src/net/activation_functions.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn sigmoid(x: f32) -> f32 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sigmoid_derivative` is never used
[INFO] [stdout]   --> src/net/activation_functions.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn sigmoid_derivative(x: f32) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tanh` is never used
[INFO] [stdout]   --> src/net/activation_functions.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn tanh(x: f32) -> f32 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tanh_derivative` is never used
[INFO] [stdout]   --> src/net/activation_functions.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn tanh_derivative(x: f32) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `relu` is never used
[INFO] [stdout]   --> src/net/activation_functions.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn relu(x: f32) -> f32 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `relu_derivative` is never used
[INFO] [stdout]   --> src/net/activation_functions.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub fn relu_derivative(x: f32) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `swish` is never used
[INFO] [stdout]   --> src/net/activation_functions.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn swish(x: f32) -> f32 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `nop` is never used
[INFO] [stdout]   --> src/net/activation_functions.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub fn nop(x: f32) -> f32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `nop_derivative` is never used
[INFO] [stdout]   --> src/net/activation_functions.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub fn nop_derivative(x: f32) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]   --> src/net/layer.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub trait Layer {
[INFO] [stdout]    |           ----- methods in this trait
[INFO] [stdout] 9  |     // return the number of weights
[INFO] [stdout] 10 |     fn len_weights(&self) -> u32;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 11 |     fn values_as_arr(&self) -> Array1<f32>;
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     fn len(&self) -> usize;
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn get(&self, index: usize) -> Option<&Neuron>;
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     fn get_mut(&mut self, index: usize) -> Option<&mut Neuron>;
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn get_all(&self) -> &Array1<Neuron>;
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn get_all_mut(&mut self) -> &mut Array1<Neuron>;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 27 |
[INFO] [stdout] 28 |     fn get_activation_derivation(&self) -> fn(f32) -> f32;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `has_bias` is never read
[INFO] [stdout]   --> src/net/layer.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct InputLayer {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 33 |     pub inputs: Array1<Neuron>,
[INFO] [stdout] 34 |     pub has_bias: bool,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InputLayer` 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: associated items `from_inputs`, `new`, and `set_inputs` are never used
[INFO] [stdout]   --> src/net/layer.rs:84:8
[INFO] [stdout]    |
[INFO] [stdout] 83 | impl InputLayer {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 84 |     fn from_inputs(inputs: Array1<Neuron>, has_bias: bool) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 88 |     pub fn new(layer_size: u32, bias: bool) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |     pub fn set_inputs(&mut self, input_values: Vec<f32>) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `activation_function` is never read
[INFO] [stdout]    --> src/net/layer.rs:122:9
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub struct OutputLayer {
[INFO] [stdout]     |            ----------- field in this struct
[INFO] [stdout] 121 |     pub outputs: Array1<Neuron>,
[INFO] [stdout] 122 |     pub activation_function: fn(f32) -> f32,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `OutputLayer` 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: associated function `new` is never used
[INFO] [stdout]    --> src/net/layer.rs:127:12
[INFO] [stdout]     |
[INFO] [stdout] 126 | impl OutputLayer {
[INFO] [stdout]     | ---------------- associated function in this implementation
[INFO] [stdout] 127 |     pub fn new(
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `activation_function` and `bias` are never read
[INFO] [stdout]    --> src/net/layer.rs:207:9
[INFO] [stdout]     |
[INFO] [stdout] 205 | pub struct HiddenLayer {
[INFO] [stdout]     |            ----------- fields in this struct
[INFO] [stdout] 206 |     pub neurons: Array1<Neuron>,
[INFO] [stdout] 207 |     pub activation_function: fn(f32) -> f32,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 208 |     pub activation_derivation: fn(f32) -> f32,
[INFO] [stdout] 209 |     pub bias: bool,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `HiddenLayer` 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: associated function `new` is never used
[INFO] [stdout]    --> src/net/layer.rs:213:12
[INFO] [stdout]     |
[INFO] [stdout] 212 | impl HiddenLayer {
[INFO] [stdout]     | ---------------- associated function in this implementation
[INFO] [stdout] 213 |     pub fn new(
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `forward_pass`, `backward_pass`, and `calc_total_error` are never used
[INFO] [stdout]    --> src/net/network.rs:21:12
[INFO] [stdout]     |
[INFO] [stdout] 20  | impl Network {
[INFO] [stdout]     | ------------ associated items in this implementation
[INFO] [stdout] 21  |     pub fn new(
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 33  |     pub fn forward_pass(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 81  |     pub fn backward_pass(&mut self, expected: Vec<f32>) -> f32 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 159 |     pub fn calc_total_error(&mut self, expected: Array1<f32>) -> f32 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Input`, `Bias`, `Hidden`, and `Output` are never constructed
[INFO] [stdout]  --> src/net/neuron.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Neuron {
[INFO] [stdout]   |          ------ variants in this enum
[INFO] [stdout] 6 |     Input(Input),
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 7 |     Bias(Bias),
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 8 |     Hidden(Hidden),
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 9 |     Output(Output),
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Neuron` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_input_value`, `set_input_value`, `get_output_value`, and `set_output_value` are never used
[INFO] [stdout]   --> src/net/neuron.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub trait NeuronBase {
[INFO] [stdout]    |           ---------- methods in this trait
[INFO] [stdout] 13 |     fn get_input_value(&self) -> f32;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 14 |     fn set_input_value(&mut self, input_value: f32);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 15 |
[INFO] [stdout] 16 |     fn get_output_value(&self) -> f32;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 17 |
[INFO] [stdout] 18 |     fn set_output_value(&mut self, output_value: f32);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/net/neuron.rs:206:12
[INFO] [stdout]     |
[INFO] [stdout] 205 | impl Input {
[INFO] [stdout]     | ---------- associated function in this implementation
[INFO] [stdout] 206 |     pub fn new(weights: Array1<f32>) -> Input {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `init` are never used
[INFO] [stdout]    --> src/net/neuron.rs:226:12
[INFO] [stdout]     |
[INFO] [stdout] 225 | impl Hidden {
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout] 226 |     pub fn new(weights: Array1<f32>) -> Hidden {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 234 |     pub fn init(&mut self, f: fn(u32) -> Array1<f32>) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/net/neuron.rs:250:12
[INFO] [stdout]     |
[INFO] [stdout] 249 | impl Output {
[INFO] [stdout]     | ----------- associated function in this implementation
[INFO] [stdout] 250 |     pub fn new(weights: Array1<f32>) -> Output {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/net/neuron.rs:270:12
[INFO] [stdout]     |
[INFO] [stdout] 269 | impl Bias {
[INFO] [stdout]     | --------- associated function in this implementation
[INFO] [stdout] 270 |     pub fn new() -> Bias {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `xavier_init` is never used
[INFO] [stdout]  --> src/net/weight_functions.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn xavier_init(size: u32) -> Array1<f32> {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 27 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `Hidden` in this scope
[INFO] [stdout]    --> src/net/network.rs:198:28
[INFO] [stdout]     |
[INFO] [stdout] 198 |             Neuron::Hidden(Hidden {
[INFO] [stdout]     |                            ^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 181 +     use crate::net::neuron::Hidden;
[INFO] [stdout]     |
[INFO] [stdout] 181 +     use crate::net::neuron::Neuron::Hidden;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `Hidden` in this scope
[INFO] [stdout]    --> src/net/network.rs:203:28
[INFO] [stdout]     |
[INFO] [stdout] 203 |             Neuron::Hidden(Hidden {
[INFO] [stdout]     |                            ^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 181 +     use crate::net::neuron::Hidden;
[INFO] [stdout]     |
[INFO] [stdout] 181 +     use crate::net::neuron::Neuron::Hidden;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `Bias` in this scope
[INFO] [stdout]    --> src/net/network.rs:208:26
[INFO] [stdout]     |
[INFO] [stdout] 208 |             Neuron::Bias(Bias {
[INFO] [stdout]     |                          ^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 181 +     use crate::net::neuron::Bias;
[INFO] [stdout]     |
[INFO] [stdout] 181 +     use crate::net::neuron::Neuron::Bias;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `Hidden` in this scope
[INFO] [stdout]    --> src/net/network.rs:218:28
[INFO] [stdout]     |
[INFO] [stdout] 218 |             Neuron::Hidden(Hidden {
[INFO] [stdout]     |                            ^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 181 +     use crate::net::neuron::Hidden;
[INFO] [stdout]     |
[INFO] [stdout] 181 +     use crate::net::neuron::Neuron::Hidden;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `Hidden` in this scope
[INFO] [stdout]    --> src/net/network.rs:223:28
[INFO] [stdout]     |
[INFO] [stdout] 223 |             Neuron::Hidden(Hidden {
[INFO] [stdout]     |                            ^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 181 +     use crate::net::neuron::Hidden;
[INFO] [stdout]     |
[INFO] [stdout] 181 +     use crate::net::neuron::Neuron::Hidden;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `Bias` in this scope
[INFO] [stdout]    --> src/net/network.rs:228:26
[INFO] [stdout]     |
[INFO] [stdout] 228 |             Neuron::Bias(Bias {
[INFO] [stdout]     |                          ^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 181 +     use crate::net::neuron::Bias;
[INFO] [stdout]     |
[INFO] [stdout] 181 +     use crate::net::neuron::Neuron::Bias;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]    --> src/net/layer.rs:298:32
[INFO] [stdout]     |
[INFO] [stdout] 298 |         activation_functions::{self, sigmoid},
[INFO] [stdout]     |                                ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/net/activation_functions.rs:53:23
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub fn nop_derivative(x: f32) -> f32 {
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/net/layer.rs:40:27
[INFO] [stdout]    |
[INFO] [stdout] 40 |             Neuron::Input(i) => 0,
[INFO] [stdout]    |                           ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `values`
[INFO] [stdout]    --> src/net/network.rs:268:13
[INFO] [stdout]     |
[INFO] [stdout] 268 |         let values = array![0.191];
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_values`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `error` is assigned to, but never used
[INFO] [stdout]    --> src/net/network.rs:290:17
[INFO] [stdout]     |
[INFO] [stdout] 290 |         let mut error = 1.0;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_error` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error_vec`
[INFO] [stdout]    --> src/net/network.rs:299:17
[INFO] [stdout]     |
[INFO] [stdout] 299 |         let mut error_vec: Vec<f32> = vec![];
[INFO] [stdout]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_error_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `error` is never read
[INFO] [stdout]    --> src/net/network.rs:307:13
[INFO] [stdout]     |
[INFO] [stdout] 307 |             error = net.backward_pass(vec![data[[index, 0]]]);
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/net/network.rs:299:13
[INFO] [stdout]     |
[INFO] [stdout] 299 |         let mut error_vec: Vec<f32> = vec![];
[INFO] [stdout]     |             ----^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `weights`
[INFO] [stdout]    --> src/net/neuron.rs:206:16
[INFO] [stdout]     |
[INFO] [stdout] 206 |     pub fn new(weights: Array1<f32>) -> Input {
[INFO] [stdout]     |                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_weights`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `firstnet` (bin "firstnet" test) due to 7 previous errors; 9 warnings emitted
[INFO] [stdout] error: aborting due to 6 previous errors; 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0422`.
[INFO] [stdout] 
[INFO] [stderr] error: failed to migrate to next edition
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `cargo fix --edition --allow-no-vcs --allow-dirty --frozen --all --all-targets --message-format=json` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "31225760a6665e2c79d95ead6ec14c687b719c06c956f569bef181e3d2d25a07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31225760a6665e2c79d95ead6ec14c687b719c06c956f569bef181e3d2d25a07", kill_on_drop: false }`
[INFO] [stdout] 31225760a6665e2c79d95ead6ec14c687b719c06c956f569bef181e3d2d25a07