[INFO] cloning repository https://github.com/maxfer1221/rust_neural_net
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maxfer1221/rust_neural_net" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxfer1221%2Frust_neural_net", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxfer1221%2Frust_neural_net'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 214ac745f0dabd988698189b61e7d5a79b65d451
[INFO] testing maxfer1221/rust_neural_net against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxfer1221%2Frust_neural_net" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
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[INFO] started tweaking git repo https://github.com/maxfer1221/rust_neural_net
[INFO] finished tweaking git repo https://github.com/maxfer1221/rust_neural_net
[INFO] tweaked toml for git repo https://github.com/maxfer1221/rust_neural_net written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/maxfer1221/rust_neural_net on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/maxfer1221/rust_neural_net 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a59cd83d4b765f4e4f4124367fcbb4b56d0f9545bcc15e672f993e1c447013bc
[INFO] running `Command { std: "docker" "start" "-a" "a59cd83d4b765f4e4f4124367fcbb4b56d0f9545bcc15e672f993e1c447013bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a59cd83d4b765f4e4f4124367fcbb4b56d0f9545bcc15e672f993e1c447013bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a59cd83d4b765f4e4f4124367fcbb4b56d0f9545bcc15e672f993e1c447013bc", kill_on_drop: false }`
[INFO] [stdout] a59cd83d4b765f4e4f4124367fcbb4b56d0f9545bcc15e672f993e1c447013bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6f8ccb62164ebfadea32d652c738279264d85981f481c4e24876881c50caff5
[INFO] running `Command { std: "docker" "start" "-a" "f6f8ccb62164ebfadea32d652c738279264d85981f481c4e24876881c50caff5", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling bytemuck v1.7.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]    Compiling safe_arch v0.6.0
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.1
[INFO] [stderr]    Compiling wide v0.7.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling approx v0.5.0
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling rand_distr v0.4.2
[INFO] [stderr]    Compiling simba v0.6.0
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]    Compiling nalgebra v0.29.0
[INFO] [stderr]    Compiling rust_nn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Scalar`
[INFO] [stdout]  --> src/main.rs:1:60
[INFO] [stdout]   |
[INFO] [stdout] 1 | use nalgebra::{DefaultAllocator, Matrix, OMatrix, Dynamic, Scalar};
[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 variable: `x`
[INFO] [stdout]   --> src/main.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn train(&mut self, x: &OMatrix<f64, Dynamic, Dynamic>, y: &OMatrix<f64, Dynamic, Dynamic>) -> Result<(), ()> {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/main.rs:32:61
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn train(&mut self, x: &OMatrix<f64, Dynamic, Dynamic>, y: &OMatrix<f64, Dynamic, Dynamic>) -> Result<(), ()> {
[INFO] [stdout]    |                                                             ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/main.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |         y: &OMatrix<f64, Dynamic, Dynamic>
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]   --> src/main.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |     let m = OMatrix::<f64, Dynamic, Dynamic>::new_random(3, 3);
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NeuralNet` is never constructed
[INFO] [stdout]  --> src/main.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct NeuralNet where
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NeuralNetConfig` is never constructed
[INFO] [stdout]   --> src/main.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct NeuralNetConfig {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `train`, and `backpropagate` are never used
[INFO] [stdout]   --> src/main.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl NeuralNet {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 22 |     fn new(config: NeuralNetConfig) -> NeuralNet {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     fn train(&mut self, x: &OMatrix<f64, Dynamic, Dynamic>, y: &OMatrix<f64, Dynamic, Dynamic>) -> Result<(), ()> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     fn backpropagate(
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sigmoid` is never used
[INFO] [stdout]   --> src/main.rs:87:4
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn sigmoid(x: f64) -> f64 {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sigmoid_prime` is never used
[INFO] [stdout]   --> src/main.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn sigmoid_prime(x: f64) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `hiddenLayerInput` should have a snake case name
[INFO] [stdout]   --> src/main.rs:75:17
[INFO] [stdout]    |
[INFO] [stdout] 75 |         let mut hiddenLayerInput = OMatrix::<f64, Dynamic, Dynamic>::zeros(
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `hidden_layer_input`
[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 28.63s
[INFO] running `Command { std: "docker" "inspect" "f6f8ccb62164ebfadea32d652c738279264d85981f481c4e24876881c50caff5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6f8ccb62164ebfadea32d652c738279264d85981f481c4e24876881c50caff5", kill_on_drop: false }`
[INFO] [stdout] f6f8ccb62164ebfadea32d652c738279264d85981f481c4e24876881c50caff5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a634f5ab1f8163061cb3c3e4ae323cd338958cf4bbaf0150d81205a5ab8f75d8
[INFO] running `Command { std: "docker" "start" "-a" "a634f5ab1f8163061cb3c3e4ae323cd338958cf4bbaf0150d81205a5ab8f75d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_nn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Scalar`
[INFO] [stdout]  --> src/main.rs:1:60
[INFO] [stdout]   |
[INFO] [stdout] 1 | use nalgebra::{DefaultAllocator, Matrix, OMatrix, Dynamic, Scalar};
[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 variable: `x`
[INFO] [stdout]   --> src/main.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn train(&mut self, x: &OMatrix<f64, Dynamic, Dynamic>, y: &OMatrix<f64, Dynamic, Dynamic>) -> Result<(), ()> {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/main.rs:32:61
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn train(&mut self, x: &OMatrix<f64, Dynamic, Dynamic>, y: &OMatrix<f64, Dynamic, Dynamic>) -> Result<(), ()> {
[INFO] [stdout]    |                                                             ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/main.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |         y: &OMatrix<f64, Dynamic, Dynamic>
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]   --> src/main.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |     let m = OMatrix::<f64, Dynamic, Dynamic>::new_random(3, 3);
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NeuralNet` is never constructed
[INFO] [stdout]  --> src/main.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct NeuralNet where
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NeuralNetConfig` is never constructed
[INFO] [stdout]   --> src/main.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct NeuralNetConfig {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `train`, and `backpropagate` are never used
[INFO] [stdout]   --> src/main.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl NeuralNet {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 22 |     fn new(config: NeuralNetConfig) -> NeuralNet {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     fn train(&mut self, x: &OMatrix<f64, Dynamic, Dynamic>, y: &OMatrix<f64, Dynamic, Dynamic>) -> Result<(), ()> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     fn backpropagate(
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sigmoid` is never used
[INFO] [stdout]   --> src/main.rs:87:4
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn sigmoid(x: f64) -> f64 {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sigmoid_prime` is never used
[INFO] [stdout]   --> src/main.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn sigmoid_prime(x: f64) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `hiddenLayerInput` should have a snake case name
[INFO] [stdout]   --> src/main.rs:75:17
[INFO] [stdout]    |
[INFO] [stdout] 75 |         let mut hiddenLayerInput = OMatrix::<f64, Dynamic, Dynamic>::zeros(
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `hidden_layer_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "a634f5ab1f8163061cb3c3e4ae323cd338958cf4bbaf0150d81205a5ab8f75d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a634f5ab1f8163061cb3c3e4ae323cd338958cf4bbaf0150d81205a5ab8f75d8", kill_on_drop: false }`
[INFO] [stdout] a634f5ab1f8163061cb3c3e4ae323cd338958cf4bbaf0150d81205a5ab8f75d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 02d5d9e18d37f85a33c67c00b905ba5ecd45c33f321d901d47b6582b8126a496
[INFO] running `Command { std: "docker" "start" "-a" "02d5d9e18d37f85a33c67c00b905ba5ecd45c33f321d901d47b6582b8126a496", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Scalar`
[INFO] [stderr]  --> src/main.rs:1:60
[INFO] [stderr]   |
[INFO] [stderr] 1 | use nalgebra::{DefaultAllocator, Matrix, OMatrix, Dynamic, Scalar};
[INFO] [stderr]   |                                                            ^^^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] running 0 tests
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stdout] 
[INFO] [stderr]   --> src/main.rs:32:25
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn train(&mut self, x: &OMatrix<f64, Dynamic, Dynamic>, y: &OMatrix<f64, Dynamic, Dynamic>) -> Result<(), ()> {
[INFO] [stderr]    |                         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]   --> src/main.rs:32:61
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn train(&mut self, x: &OMatrix<f64, Dynamic, Dynamic>, y: &OMatrix<f64, Dynamic, Dynamic>) -> Result<(), ()> {
[INFO] [stderr]    |                                                             ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]   --> src/main.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 72 |         y: &OMatrix<f64, Dynamic, Dynamic>
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]   --> src/main.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |     let m = OMatrix::<f64, Dynamic, Dynamic>::new_random(3, 3);
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `NeuralNet` is never constructed
[INFO] [stderr]  --> src/main.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | struct NeuralNet where
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `NeuralNetConfig` is never constructed
[INFO] [stderr]   --> src/main.rs:13:8
[INFO] [stderr]    |
[INFO] [stderr] 13 | struct NeuralNetConfig {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `train`, and `backpropagate` are never used
[INFO] [stderr]   --> src/main.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 21 | impl NeuralNet {
[INFO] [stderr]    | -------------- associated items in this implementation
[INFO] [stderr] 22 |     fn new(config: NeuralNetConfig) -> NeuralNet {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 32 |     fn train(&mut self, x: &OMatrix<f64, Dynamic, Dynamic>, y: &OMatrix<f64, Dynamic, Dynamic>) -> Result<(), ()> {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 69 |     fn backpropagate(
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `sigmoid` is never used
[INFO] [stderr]   --> src/main.rs:87:4
[INFO] [stderr]    |
[INFO] [stderr] 87 | fn sigmoid(x: f64) -> f64 {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `sigmoid_prime` is never used
[INFO] [stderr]   --> src/main.rs:91:4
[INFO] [stderr]    |
[INFO] [stderr] 91 | fn sigmoid_prime(x: f64) -> f64 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `hiddenLayerInput` should have a snake case name
[INFO] [stderr]   --> src/main.rs:75:17
[INFO] [stderr]    |
[INFO] [stderr] 75 |         let mut hiddenLayerInput = OMatrix::<f64, Dynamic, Dynamic>::zeros(
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `hidden_layer_input`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_nn` (bin "rust_nn" test) generated 11 warnings (run `cargo fix --bin "rust_nn" -p rust_nn --tests` to apply 5 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_nn-af2ce6e2e27c61f9)
[INFO] running `Command { std: "docker" "inspect" "02d5d9e18d37f85a33c67c00b905ba5ecd45c33f321d901d47b6582b8126a496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02d5d9e18d37f85a33c67c00b905ba5ecd45c33f321d901d47b6582b8126a496", kill_on_drop: false }`
[INFO] [stdout] 02d5d9e18d37f85a33c67c00b905ba5ecd45c33f321d901d47b6582b8126a496
