[INFO] cloning repository https://github.com/blaesus/gptrs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/blaesus/gptrs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblaesus%2Fgptrs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblaesus%2Fgptrs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 090b5e022dec0a111bc72cc1e838ad0c4cac2445
[INFO] checking blaesus/gptrs against try#54cf65b8d066c082e536455049b95943cf30378f for pr-151920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblaesus%2Fgptrs" "/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/blaesus/gptrs
[INFO] finished tweaking git repo https://github.com/blaesus/gptrs
[INFO] tweaked toml for git repo https://github.com/blaesus/gptrs written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/blaesus/gptrs on toolchain 54cf65b8d066c082e536455049b95943cf30378f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/blaesus/gptrs 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" "+54cf65b8d066c082e536455049b95943cf30378f" "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-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ccd3b131867189b860a23e66ec9fd0c0c22fd1c81d8f09d97919fcbe905e8e50
[INFO] running `Command { std: "docker" "start" "-a" "ccd3b131867189b860a23e66ec9fd0c0c22fd1c81d8f09d97919fcbe905e8e50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccd3b131867189b860a23e66ec9fd0c0c22fd1c81d8f09d97919fcbe905e8e50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccd3b131867189b860a23e66ec9fd0c0c22fd1c81d8f09d97919fcbe905e8e50", kill_on_drop: false }`
[INFO] [stdout] ccd3b131867189b860a23e66ec9fd0c0c22fd1c81d8f09d97919fcbe905e8e50
[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_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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d4ce28621a1fbb05bf098fbc59246908d45128455ee4468b96322f4a6eb410c
[INFO] running `Command { std: "docker" "start" "-a" "2d4ce28621a1fbb05bf098fbc59246908d45128455ee4468b96322f4a6eb410c", kill_on_drop: false }`
[INFO] [stderr]     Checking gptrs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `print` is never used
[INFO] [stdout]    --> src/matrix.rs:237:8
[INFO] [stdout]     |
[INFO] [stdout] 177 | impl Matrix {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 237 |     fn print(&self) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `dot` is never used
[INFO] [stdout]    --> src/matrix.rs:323:8
[INFO] [stdout]     |
[INFO] [stdout] 269 | impl Vector {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 323 |     fn dot(&self, other: &Self) -> f32 {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ActivationFunction` is never used
[INFO] [stdout]  --> src/nn.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | trait ActivationFunction {
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Relu` is never constructed
[INFO] [stdout]  --> src/nn.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Relu;
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mse` is never used
[INFO] [stdout]   --> src/nn.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn mse(y_actual: &Vector, y_predicted: &Vector) -> f32 {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mse_derivative` is never used
[INFO] [stdout]   --> src/nn.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn mse_derivative(y_actual: &Vector, y_predicted: &Vector) -> Vector {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FinalLayerInfo` is never constructed
[INFO] [stdout]   --> src/nn.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | struct FinalLayerInfo {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EarlierLayerInfo` is never constructed
[INFO] [stdout]   --> src/nn.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | struct EarlierLayerInfo {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `LayerInfo` is never used
[INFO] [stdout]   --> src/nn.rs:58:6
[INFO] [stdout]    |
[INFO] [stdout] 58 | enum LayerInfo {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Layer` is never constructed
[INFO] [stdout]   --> src/nn.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | struct Layer {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Gradients` is never constructed
[INFO] [stdout]   --> src/nn.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 | struct Gradients {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DataPoint` is never constructed
[INFO] [stdout]   --> src/nn.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 77 | struct DataPoint {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new_kaiming`, `normalize`, `forward`, `calculate_gradients`, `backward_single`, and `backward_batched` are never used
[INFO] [stdout]    --> src/nn.rs:83:12
[INFO] [stdout]     |
[INFO] [stdout]  82 | impl Layer {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout]  83 |     pub fn new_kaiming(input_size: usize, output_size: usize) -> Layer {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  90 |     pub fn normalize(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  95 |     pub fn forward(&self, inputs: &Vector) -> Vector {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     fn calculate_gradients(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 128 |     pub fn backward_single(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 150 |     pub fn backward_batched(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NeuralNetwork` is never constructed
[INFO] [stdout]    --> src/nn.rs:185:8
[INFO] [stdout]     |
[INFO] [stdout] 185 | struct NeuralNetwork {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `forward`, `backward`, and `backward_batched` are never used
[INFO] [stdout]    --> src/nn.rs:190:12
[INFO] [stdout]     |
[INFO] [stdout] 189 | impl NeuralNetwork {
[INFO] [stdout]     | ------------------ associated items in this implementation
[INFO] [stdout] 190 |     pub fn new(layers: Vec<Layer>) -> NeuralNetwork {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 194 |     pub fn forward(&self, inputs: &Vector) -> Vector {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 202 |     pub fn backward(&mut self, network_input: &Vector, y_actual: &Vector, learning_rate: f32) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 234 |     pub fn backward_batched(&mut self, batch: &[DataPoint], learning_rate: f32) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> src/rand.rs:14:28
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut rng = unsafe { RNG_STATE.lock().unwrap() };
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/nn.rs:353:26
[INFO] [stdout]     |
[INFO] [stdout] 353 |     fn random_mini_batch(mut data: &[DataPoint], percentage: f32) -> Vec<DataPoint> {
[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: unused variable: `learning_rate`
[INFO] [stdout]    --> src/nn.rs:366:13
[INFO] [stdout]     |
[INFO] [stdout] 366 |         let learning_rate = 0.5;
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_learning_rate`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print` is never used
[INFO] [stdout]    --> src/matrix.rs:237:8
[INFO] [stdout]     |
[INFO] [stdout] 177 | impl Matrix {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 237 |     fn print(&self) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_kaiming` is never used
[INFO] [stdout]   --> src/nn.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 82 | impl Layer {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 83 |     pub fn new_kaiming(input_size: usize, output_size: usize) -> Layer {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> src/rand.rs:14:28
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut rng = unsafe { RNG_STATE.lock().unwrap() };
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "2d4ce28621a1fbb05bf098fbc59246908d45128455ee4468b96322f4a6eb410c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d4ce28621a1fbb05bf098fbc59246908d45128455ee4468b96322f4a6eb410c", kill_on_drop: false }`
[INFO] [stdout] 2d4ce28621a1fbb05bf098fbc59246908d45128455ee4468b96322f4a6eb410c
