[INFO] cloning repository https://github.com/SKPG-Tech/mnist-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SKPG-Tech/mnist-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSKPG-Tech%2Fmnist-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSKPG-Tech%2Fmnist-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 062fd65f5be5525089fb8ecbff5fedf1c8728e41 [INFO] testing SKPG-Tech/mnist-rs against master#160e7623e8cbbf1feab2b6e2a24733a98c7bde9c for pr-145628-retry-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSKPG-Tech%2Fmnist-rs" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/SKPG-Tech/mnist-rs [INFO] finished tweaking git repo https://github.com/SKPG-Tech/mnist-rs [INFO] tweaked toml for git repo https://github.com/SKPG-Tech/mnist-rs written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/SKPG-Tech/mnist-rs on toolchain 160e7623e8cbbf1feab2b6e2a24733a98c7bde9c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/SKPG-Tech/mnist-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded oorandom v11.1.5 [INFO] [stderr] Downloaded plotters-backend v0.3.7 [INFO] [stderr] Downloaded plotters-svg v0.3.7 [INFO] [stderr] Downloaded clap v4.5.40 [INFO] [stderr] Downloaded clap_builder v4.5.40 [INFO] [stderr] Downloaded plotters v0.3.7 [INFO] [stderr] Downloaded criterion v0.6.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 87a8a2b7d580d490eb6ce897c03df71ee9387e8a967276cc14f048ee2721bd6b [INFO] running `Command { std: "docker" "start" "-a" "87a8a2b7d580d490eb6ce897c03df71ee9387e8a967276cc14f048ee2721bd6b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "87a8a2b7d580d490eb6ce897c03df71ee9387e8a967276cc14f048ee2721bd6b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "87a8a2b7d580d490eb6ce897c03df71ee9387e8a967276cc14f048ee2721bd6b", kill_on_drop: false }` [INFO] [stdout] 87a8a2b7d580d490eb6ce897c03df71ee9387e8a967276cc14f048ee2721bd6b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3fd884d5d7aaef53141da2b54bd18f2da99bf531b2a024bd17353e19d8b3ad96 [INFO] running `Command { std: "docker" "start" "-a" "3fd884d5d7aaef53141da2b54bd18f2da99bf531b2a024bd17353e19d8b3ad96", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.174 [INFO] [stderr] Compiling getrandom v0.3.3 [INFO] [stderr] Compiling zerocopy v0.8.26 [INFO] [stderr] Compiling rand_core v0.9.3 [INFO] [stderr] Compiling ppv-lite86 v0.2.21 [INFO] [stderr] Compiling rand_chacha v0.9.0 [INFO] [stderr] Compiling rand v0.9.1 [INFO] [stderr] Compiling mnist-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `output_activation_derivative` [INFO] [stdout] --> src/neuralnet/network.rs:263:13 [INFO] [stdout] | [INFO] [stdout] 263 | let output_activation_derivative = self.activations.1.derivative(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_output_activation_derivative` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `neuron_activation` [INFO] [stdout] --> src/neuralnet/network.rs:264:13 [INFO] [stdout] | [INFO] [stdout] 264 | let neuron_activation = self.activations.0.function(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_neuron_activation` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `values` [INFO] [stdout] --> src/neuralnet/network.rs:267:17 [INFO] [stdout] | [INFO] [stdout] 267 | let mut values = vec![0.0; self.output_layer.size]; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_values` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> src/neuralnet/network.rs:262:37 [INFO] [stdout] | [INFO] [stdout] 262 | pub fn backpropagate(&mut self, result: &[f64], expected: &[f64]) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `expected` [INFO] [stdout] --> src/neuralnet/network.rs:262:53 [INFO] [stdout] | [INFO] [stdout] 262 | pub fn backpropagate(&mut self, result: &[f64], expected: &[f64]) { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expected` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/neuralnet/network.rs:267:13 [INFO] [stdout] | [INFO] [stdout] 267 | let mut values = vec![0.0; self.output_layer.size]; [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: type alias `LossFunction` is never used [INFO] [stdout] --> src/neuralnet/functions.rs:88:10 [INFO] [stdout] | [INFO] [stdout] 88 | pub type LossFunction = fn(x: &f64, y: &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: methods `function` and `derivative` are never used [INFO] [stdout] --> src/neuralnet/functions.rs:92:12 [INFO] [stdout] | [INFO] [stdout] 90 | impl LossFunctions { [INFO] [stdout] | ------------------ methods in this implementation [INFO] [stdout] 91 | /// Returns the [`LossFunction`] of the chosen enum variant. [INFO] [stdout] 92 | pub fn function(&self) -> LossFunction { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 103 | pub fn derivative(&self) -> LossFunction { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `total_loss` is never used [INFO] [stdout] --> src/neuralnet/functions.rs:115:8 [INFO] [stdout] | [INFO] [stdout] 115 | pub fn total_loss(loss: LossFunction, result: &[f64], expected: &[f64]) -> f64 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `loss` and `learning_rate` are never read [INFO] [stdout] --> src/neuralnet/network.rs:213:5 [INFO] [stdout] | [INFO] [stdout] 207 | pub struct NeuralNetwork { [INFO] [stdout] | ------------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 213 | loss: LossFunctions, [INFO] [stdout] | ^^^^ [INFO] [stdout] 214 | pub batch_size: usize, [INFO] [stdout] 215 | learning_rate: f64, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.19s [INFO] running `Command { std: "docker" "inspect" "3fd884d5d7aaef53141da2b54bd18f2da99bf531b2a024bd17353e19d8b3ad96", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3fd884d5d7aaef53141da2b54bd18f2da99bf531b2a024bd17353e19d8b3ad96", kill_on_drop: false }` [INFO] [stdout] 3fd884d5d7aaef53141da2b54bd18f2da99bf531b2a024bd17353e19d8b3ad96 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a6d98629c686240e08777b33f8d8dd14ceb6f5e22aed31936827890a65166ee1 [INFO] running `Command { std: "docker" "start" "-a" "a6d98629c686240e08777b33f8d8dd14ceb6f5e22aed31936827890a65166ee1", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling either v1.15.0 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Compiling crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling half v2.6.0 [INFO] [stderr] Compiling ciborium-io v0.2.2 [INFO] [stderr] Compiling regex-syntax v0.8.5 [INFO] [stderr] Compiling memchr v2.7.5 [INFO] [stderr] Compiling plotters-backend v0.3.7 [INFO] [stderr] Compiling clap_builder v4.5.40 [INFO] [stderr] Compiling crossbeam-deque v0.8.6 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Compiling ciborium-ll v0.2.2 [INFO] [stderr] Compiling plotters-svg v0.3.7 [INFO] [stderr] Compiling cast v0.3.0 [INFO] [stderr] Compiling walkdir v2.5.0 [INFO] [stderr] Compiling plotters v0.3.7 [INFO] [stderr] Compiling rayon v1.10.0 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling regex-automata v0.4.9 [INFO] [stderr] Compiling syn v2.0.104 [INFO] [stderr] Compiling itertools v0.13.0 [INFO] [stderr] Compiling criterion-plot v0.5.0 [INFO] [stderr] Compiling clap v4.5.40 [INFO] [stderr] Compiling oorandom v11.1.5 [INFO] [stderr] Compiling anes v0.1.6 [INFO] [stderr] Compiling regex v1.11.1 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling serde_json v1.0.140 [INFO] [stderr] Compiling ciborium v0.2.2 [INFO] [stderr] Compiling tinytemplate v1.2.1 [INFO] [stderr] Compiling criterion v0.6.0 [INFO] [stderr] Compiling mnist-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `output_activation_derivative` [INFO] [stdout] --> src/neuralnet/network.rs:263:13 [INFO] [stdout] | [INFO] [stdout] 263 | let output_activation_derivative = self.activations.1.derivative(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_output_activation_derivative` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `neuron_activation` [INFO] [stdout] --> src/neuralnet/network.rs:264:13 [INFO] [stdout] | [INFO] [stdout] 264 | let neuron_activation = self.activations.0.function(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_neuron_activation` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `values` [INFO] [stdout] --> src/neuralnet/network.rs:267:17 [INFO] [stdout] | [INFO] [stdout] 267 | let mut values = vec![0.0; self.output_layer.size]; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_values` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> src/neuralnet/network.rs:262:37 [INFO] [stdout] | [INFO] [stdout] 262 | pub fn backpropagate(&mut self, result: &[f64], expected: &[f64]) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `expected` [INFO] [stdout] --> src/neuralnet/network.rs:262:53 [INFO] [stdout] | [INFO] [stdout] 262 | pub fn backpropagate(&mut self, result: &[f64], expected: &[f64]) { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expected` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/neuralnet/network.rs:267:13 [INFO] [stdout] | [INFO] [stdout] 267 | let mut values = vec![0.0; self.output_layer.size]; [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: type alias `LossFunction` is never used [INFO] [stdout] --> src/neuralnet/functions.rs:88:10 [INFO] [stdout] | [INFO] [stdout] 88 | pub type LossFunction = fn(x: &f64, y: &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: methods `function` and `derivative` are never used [INFO] [stdout] --> src/neuralnet/functions.rs:92:12 [INFO] [stdout] | [INFO] [stdout] 90 | impl LossFunctions { [INFO] [stdout] | ------------------ methods in this implementation [INFO] [stdout] 91 | /// Returns the [`LossFunction`] of the chosen enum variant. [INFO] [stdout] 92 | pub fn function(&self) -> LossFunction { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 103 | pub fn derivative(&self) -> LossFunction { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `total_loss` is never used [INFO] [stdout] --> src/neuralnet/functions.rs:115:8 [INFO] [stdout] | [INFO] [stdout] 115 | pub fn total_loss(loss: LossFunction, result: &[f64], expected: &[f64]) -> f64 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `loss` and `learning_rate` are never read [INFO] [stdout] --> src/neuralnet/network.rs:213:5 [INFO] [stdout] | [INFO] [stdout] 207 | pub struct NeuralNetwork { [INFO] [stdout] | ------------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 213 | loss: LossFunctions, [INFO] [stdout] | ^^^^ [INFO] [stdout] 214 | pub batch_size: usize, [INFO] [stdout] 215 | learning_rate: f64, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 28.64s [INFO] running `Command { std: "docker" "inspect" "a6d98629c686240e08777b33f8d8dd14ceb6f5e22aed31936827890a65166ee1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a6d98629c686240e08777b33f8d8dd14ceb6f5e22aed31936827890a65166ee1", kill_on_drop: false }` [INFO] [stdout] a6d98629c686240e08777b33f8d8dd14ceb6f5e22aed31936827890a65166ee1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 5f2eed59f624ae87d8576e6756b6eb4ed0bb701e266b1cfa2131708b1e8e87af [INFO] running `Command { std: "docker" "start" "-a" "5f2eed59f624ae87d8576e6756b6eb4ed0bb701e266b1cfa2131708b1e8e87af", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `output_activation_derivative` [INFO] [stderr] --> src/neuralnet/network.rs:263:13 [INFO] [stderr] | [INFO] [stderr] 263 | let output_activation_derivative = self.activations.1.derivative(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_output_activation_derivative` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `neuron_activation` [INFO] [stderr] --> src/neuralnet/network.rs:264:13 [INFO] [stderr] | [INFO] [stderr] 264 | let neuron_activation = self.activations.0.function(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_neuron_activation` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `values` [INFO] [stderr] --> src/neuralnet/network.rs:267:17 [INFO] [stderr] | [INFO] [stderr] 267 | let mut values = vec![0.0; self.output_layer.size]; [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_values` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `result` [INFO] [stderr] --> src/neuralnet/network.rs:262:37 [INFO] [stderr] | [INFO] [stderr] 262 | pub fn backpropagate(&mut self, result: &[f64], expected: &[f64]) { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `expected` [INFO] [stderr] --> src/neuralnet/network.rs:262:53 [INFO] [stderr] | [INFO] [stderr] 262 | pub fn backpropagate(&mut self, result: &[f64], expected: &[f64]) { [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expected` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/neuralnet/network.rs:267:13 [INFO] [stderr] | [INFO] [stderr] 267 | let mut values = vec![0.0; self.output_layer.size]; [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: type alias `LossFunction` is never used [INFO] [stderr] --> src/neuralnet/functions.rs:88:10 [INFO] [stderr] | [INFO] [stderr] 88 | pub type LossFunction = fn(x: &f64, y: &f64) -> f64; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: methods `function` and `derivative` are never used [INFO] [stderr] --> src/neuralnet/functions.rs:92:12 [INFO] [stderr] | [INFO] [stderr] 90 | impl LossFunctions { [INFO] [stderr] | ------------------ methods in this implementation [INFO] [stderr] 91 | /// Returns the [`LossFunction`] of the chosen enum variant. [INFO] [stderr] 92 | pub fn function(&self) -> LossFunction { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 103 | pub fn derivative(&self) -> LossFunction { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `total_loss` is never used [INFO] [stderr] --> src/neuralnet/functions.rs:115:8 [INFO] [stderr] | [INFO] [stderr] 115 | pub fn total_loss(loss: LossFunction, result: &[f64], expected: &[f64]) -> f64 { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: fields `loss` and `learning_rate` are never read [INFO] [stderr] --> src/neuralnet/network.rs:213:5 [INFO] [stderr] | [INFO] [stderr] 207 | pub struct NeuralNetwork { [INFO] [stderr] | ------------- fields in this struct [INFO] [stderr] ... [INFO] [stderr] 213 | loss: LossFunctions, [INFO] [stderr] | ^^^^ [INFO] [stderr] 214 | pub batch_size: usize, [INFO] [stderr] 215 | learning_rate: f64, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `mnist-rs` (bin "mnist-rs" test) generated 10 warnings (run `cargo fix --bin "mnist-rs" --tests` to apply 1 suggestion) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mnist_rs-932f236cb4ea58fb) [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" "5f2eed59f624ae87d8576e6756b6eb4ed0bb701e266b1cfa2131708b1e8e87af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5f2eed59f624ae87d8576e6756b6eb4ed0bb701e266b1cfa2131708b1e8e87af", kill_on_drop: false }` [INFO] [stdout] 5f2eed59f624ae87d8576e6756b6eb4ed0bb701e266b1cfa2131708b1e8e87af