[INFO] cloning repository https://github.com/FredOden/nu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FredOden/nu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFredOden%2Fnu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFredOden%2Fnu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c3c95184e00716a8230a3b4589bfca3dd2d31b2
[INFO] checking FredOden/nu against try#5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db for pr-143717
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFredOden%2Fnu" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/FredOden/nu
[INFO] finished tweaking git repo https://github.com/FredOden/nu
[INFO] tweaked toml for git repo https://github.com/FredOden/nu written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/FredOden/nu on toolchain 5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/FredOden/nu 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" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking FredOden/nu against try#5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db for pr-143717
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFredOden%2Fnu" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/FredOden/nu
[INFO] finished tweaking git repo https://github.com/FredOden/nu
[INFO] tweaked toml for git repo https://github.com/FredOden/nu written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/FredOden/nu on toolchain 5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/FredOden/nu 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" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "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] 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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c010438fbaab9a986ce2974d104d3c2de2f6dbb943ee265997c1d63f23724e5
[INFO] running `Command { std: "docker" "start" "-a" "3c010438fbaab9a986ce2974d104d3c2de2f6dbb943ee265997c1d63f23724e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c010438fbaab9a986ce2974d104d3c2de2f6dbb943ee265997c1d63f23724e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c010438fbaab9a986ce2974d104d3c2de2f6dbb943ee265997c1d63f23724e5", kill_on_drop: false }`
[INFO] [stdout] 3c010438fbaab9a986ce2974d104d3c2de2f6dbb943ee265997c1d63f23724e5
[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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 543c10c7f52ea453002d8de8f7cab5758ece936496e0835bce8f9dc620e2cbcd
[INFO] running `Command { std: "docker" "start" "-a" "543c10c7f52ea453002d8de8f7cab5758ece936496e0835bce8f9dc620e2cbcd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking getrandom v0.2.15
[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 nu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `loss_gradient`
[INFO] [stdout]   --> src/neural_network.rs:45:32
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn backward(&mut self, loss_gradient: &Vec<f64>) {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_loss_gradient`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `loss_gradient`
[INFO] [stdout]   --> src/neural_network.rs:45:32
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn backward(&mut self, loss_gradient: &Vec<f64>) {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_loss_gradient`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `learning_rate`
[INFO] [stdout]   --> src/neural_network.rs:53:41
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn update_parameters(&mut self, learning_rate: f64) {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_learning_rate`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `learning_rate`
[INFO] [stdout]   --> src/neural_network.rs:53:41
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn update_parameters(&mut self, learning_rate: f64) {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_learning_rate`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Neuron` is never constructed
[INFO] [stdout]  --> src/neuron.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Neuron {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Neuron` is never constructed
[INFO] [stdout]  --> src/neuron.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Neuron {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `sigmoid`, `sigmoid_prime`, `forward`, `calculate_gradient`, and `update_parameters` are never used
[INFO] [stdout]   --> src/neuron.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl Neuron {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 10 |     // Creates a new neuron with random weights and bias
[INFO] [stdout] 11 |     pub fn new(input_size: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn sigmoid(x: f64) -> f64 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn sigmoid_prime(x: f64) -> f64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn forward(&self, inputs: &[f64]) -> f64 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn calculate_gradient(&self, inputs: &[f64], output_gradient: f64) -> (Vec<f64>, f64) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn update_parameters(&mut self, weights_gradient: &[f64], bias_gradient: f64, learning_rate: f64) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `sigmoid`, `sigmoid_prime`, `forward`, `calculate_gradient`, and `update_parameters` are never used
[INFO] [stdout]   --> src/neuron.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl Neuron {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 10 |     // Creates a new neuron with random weights and bias
[INFO] [stdout] 11 |     pub fn new(input_size: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn sigmoid(x: f64) -> f64 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn sigmoid_prime(x: f64) -> f64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn forward(&self, inputs: &[f64]) -> f64 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn calculate_gradient(&self, inputs: &[f64], output_gradient: f64) -> (Vec<f64>, f64) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn update_parameters(&mut self, weights_gradient: &[f64], bias_gradient: f64, learning_rate: f64) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Layer` is never constructed
[INFO] [stdout]  --> src/layer.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Layer {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Layer` is never constructed
[INFO] [stdout]  --> src/layer.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Layer {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `forward` are never used
[INFO] [stdout]   --> src/layer.rs:9:12
[INFO] [stdout]    |
[INFO] [stdout] 7  | impl Layer {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 8  |     // Create a new layer with a specified number of neurons, each with a specified number of inputs
[INFO] [stdout] 9  |     pub fn new(neuron_count: usize, input_size: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn forward(&self, inputs: &[f64]) -> Vec<f64> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `forward` are never used
[INFO] [stdout]   --> src/layer.rs:9:12
[INFO] [stdout]    |
[INFO] [stdout] 7  | impl Layer {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 8  |     // Create a new layer with a specified number of neurons, each with a specified number of inputs
[INFO] [stdout] 9  |     pub fn new(neuron_count: usize, input_size: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn forward(&self, inputs: &[f64]) -> Vec<f64> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NeuralNetwork` is never constructed
[INFO] [stdout]  --> src/neural_network.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct NeuralNetwork {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NeuralNetwork` is never constructed
[INFO] [stdout]  --> src/neural_network.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct NeuralNetwork {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `forward`, `train`, `calculate_loss_gradient`, `backward`, and `update_parameters` are never used
[INFO] [stdout]   --> src/neural_network.rs:9:12
[INFO] [stdout]    |
[INFO] [stdout] 7  | impl NeuralNetwork {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] 8  |     // Create a new neural network with a vector of layers
[INFO] [stdout] 9  |     pub fn new(layers: Vec<layer::Layer>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn forward(&self, input: Vec<f64>) -> Vec<f64> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn train(&mut self, inputs: Vec<Vec<f64>>, expected_outputs: Vec<Vec<f64>>, epochs: usize, learning_rate: f64) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn calculate_loss_gradient(&self, outputs: &Vec<f64>, expected: &Vec<f64>) -> Vec<f64> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn backward(&mut self, loss_gradient: &Vec<f64>) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub fn update_parameters(&mut self, learning_rate: f64) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `forward`, `train`, `calculate_loss_gradient`, `backward`, and `update_parameters` are never used
[INFO] [stdout]   --> src/neural_network.rs:9:12
[INFO] [stdout]    |
[INFO] [stdout] 7  | impl NeuralNetwork {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] 8  |     // Create a new neural network with a vector of layers
[INFO] [stdout] 9  |     pub fn new(layers: Vec<layer::Layer>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn forward(&self, input: Vec<f64>) -> Vec<f64> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn train(&mut self, inputs: Vec<Vec<f64>>, expected_outputs: Vec<Vec<f64>>, epochs: usize, learning_rate: f64) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn calculate_loss_gradient(&self, outputs: &Vec<f64>, expected: &Vec<f64>) -> Vec<f64> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn backward(&mut self, loss_gradient: &Vec<f64>) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub fn update_parameters(&mut self, learning_rate: f64) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `Command { std: "docker" "inspect" "543c10c7f52ea453002d8de8f7cab5758ece936496e0835bce8f9dc620e2cbcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "543c10c7f52ea453002d8de8f7cab5758ece936496e0835bce8f9dc620e2cbcd", kill_on_drop: false }`
[INFO] [stdout] 543c10c7f52ea453002d8de8f7cab5758ece936496e0835bce8f9dc620e2cbcd
