[INFO] cloning repository https://github.com/nicholasdejong/neural_network
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nicholasdejong/neural_network" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicholasdejong%2Fneural_network", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicholasdejong%2Fneural_network'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 68af64ce19ea662f0989f2aa857be9569ddcc39b
[INFO] checking nicholasdejong/neural_network against try#987a165cfab916796a8315782b83ac460a651ce2 for pr-145262
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicholasdejong%2Fneural_network" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nicholasdejong/neural_network
[INFO] finished tweaking git repo https://github.com/nicholasdejong/neural_network
[INFO] tweaked toml for git repo https://github.com/nicholasdejong/neural_network written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nicholasdejong/neural_network on toolchain 987a165cfab916796a8315782b83ac460a651ce2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nicholasdejong/neural_network 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" "+987a165cfab916796a8315782b83ac460a651ce2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wide v0.7.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd7c252765f9ac787780b12b9ac0a2e1dfed2dee43a065ed0a94be506cc4ab12
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[INFO] [stdout] 1d18bf8ca76da618c374546ad093b6b958dabd90920438ee5005be4c430cc971
[INFO] running `Command { std: "docker" "start" "-a" "1d18bf8ca76da618c374546ad093b6b958dabd90920438ee5005be4c430cc971", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking bytemuck v1.14.0
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]     Checking safe_arch v0.7.1
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking wide v0.7.13
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking simba v0.8.1
[INFO] [stderr]    Compiling nalgebra-macros v0.2.1
[INFO] [stderr]     Checking nalgebra v0.32.3
[INFO] [stderr]     Checking neural_network v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Vector1`
[INFO] [stdout]  --> src/neural_network.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use na::{self, DMatrix, DVector, Vector1};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ReLU`, `SoftPlus`, and `helpers::multiply`
[INFO] [stdout]  --> src/neural_network.rs:5:69
[INFO] [stdout]   |
[INFO] [stdout] 5 |     functions::{Activation, ActivationFunction, Cost, CostFunction, ReLU, SoftPlus},
[INFO] [stdout]   |                                                                     ^^^^  ^^^^^^^^
[INFO] [stdout] 6 |     helpers::multiply,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Vector1`
[INFO] [stdout]  --> src/neural_network.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use na::{self, DMatrix, DVector, Vector1};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ReLU`, `SoftPlus`, and `helpers::multiply`
[INFO] [stdout]  --> src/neural_network.rs:5:69
[INFO] [stdout]   |
[INFO] [stdout] 5 |     functions::{Activation, ActivationFunction, Cost, CostFunction, ReLU, SoftPlus},
[INFO] [stdout]   |                                                                     ^^^^  ^^^^^^^^
[INFO] [stdout] 6 |     helpers::multiply,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ActivationFunction`
[INFO] [stdout]  --> src/neural_network.rs:5:29
[INFO] [stdout]   |
[INFO] [stdout] 5 |     functions::{Activation, ActivationFunction, Cost, CostFunction, ReLU, SoftPlus},
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CostFunction`
[INFO] [stdout]  --> src/neural_network.rs:5:55
[INFO] [stdout]   |
[INFO] [stdout] 5 |     functions::{Activation, ActivationFunction, Cost, CostFunction, ReLU, SoftPlus},
[INFO] [stdout]   |                                                       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ActivationFunction`
[INFO] [stdout]  --> src/neural_network.rs:5:29
[INFO] [stdout]   |
[INFO] [stdout] 5 |     functions::{Activation, ActivationFunction, Cost, CostFunction, ReLU, SoftPlus},
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CostFunction`
[INFO] [stdout]  --> src/neural_network.rs:5:55
[INFO] [stdout]   |
[INFO] [stdout] 5 |     functions::{Activation, ActivationFunction, Cost, CostFunction, ReLU, SoftPlus},
[INFO] [stdout]   |                                                       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `multiply` is never used
[INFO] [stdout]  --> src/helpers.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn multiply(a: DVector<f32>, b: DVector<f32>) -> DVector<f32> {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `input_size` and `output_size` are never read
[INFO] [stdout]   --> src/neural_network.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct NeuralNetwork {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 12 |     input_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 13 |     output_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Trainer` is never constructed
[INFO] [stdout]  --> src/trainer.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Trainer {}
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `multiply` is never used
[INFO] [stdout]  --> src/helpers.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn multiply(a: DVector<f32>, b: DVector<f32>) -> DVector<f32> {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `input_size` and `output_size` are never read
[INFO] [stdout]   --> src/neural_network.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct NeuralNetwork {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 12 |     input_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 13 |     output_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Trainer` is never constructed
[INFO] [stdout]  --> src/trainer.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Trainer {}
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `neural_network::functions::Activation`
[INFO] [stdout]  --> examples/xor.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use neural_network::functions::Activation;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `neural_network::neural_network::NeuralNetwork`
[INFO] [stdout]  --> examples/xor.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use neural_network::neural_network::NeuralNetwork;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> examples/xor.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let data = [
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `functions::Activation`
[INFO] [stdout]  --> examples/it_works.rs:2:29
[INFO] [stdout]   |
[INFO] [stdout] 2 | use neural_network::{batch, functions::Activation, neural_network::NeuralNetwork};
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.62s
[INFO] running `Command { std: "docker" "inspect" "1d18bf8ca76da618c374546ad093b6b958dabd90920438ee5005be4c430cc971", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d18bf8ca76da618c374546ad093b6b958dabd90920438ee5005be4c430cc971", kill_on_drop: false }`
[INFO] [stdout] 1d18bf8ca76da618c374546ad093b6b958dabd90920438ee5005be4c430cc971