[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] fixing blaesus/gptrs against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=end=2015,2024 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblaesus%2Fgptrs" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-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-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/blaesus/gptrs on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 57809710f375daf8d89f9e73983c286813458b30b68d92f11d54d954add9f3eb
[INFO] running `Command { std: "docker" "start" "57809710f375daf8d89f9e73983c286813458b30b68d92f11d54d954add9f3eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "57809710f375daf8d89f9e73983c286813458b30b68d92f11d54d954add9f3eb" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57809710f375daf8d89f9e73983c286813458b30b68d92f11d54d954add9f3eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "57809710f375daf8d89f9e73983c286813458b30b68d92f11d54d954add9f3eb" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=end=2015,2024", kill_on_drop: false }`
[INFO] [stderr] crater-edition-check: migrating to next edition
[INFO] [stderr]    Migrating Cargo.toml from 2021 edition to 2024
[INFO] [stderr]     Checking gptrs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Migrating src/main.rs from 2021 edition to 2024
[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: 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: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: `--force-warn static-mut-refs` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] help: this type already provides "interior mutability", so its binding doesn't need to be declared as mutable
[INFO] [stdout]    |
[INFO] [stdout]  9 - static mut RNG_STATE: Mutex<u64> = Mutex::new(123456789); // Arbitrary initial seed
[INFO] [stdout]  9 + static RNG_STATE: Mutex<u64> = Mutex::new(123456789); // Arbitrary initial seed
[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: 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: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: `--force-warn static-mut-refs` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] help: this type already provides "interior mutability", so its binding doesn't need to be declared as mutable
[INFO] [stdout]    |
[INFO] [stdout]  9 - static mut RNG_STATE: Mutex<u64> = Mutex::new(123456789); // Arbitrary initial seed
[INFO] [stdout]  9 + static RNG_STATE: Mutex<u64> = Mutex::new(123456789); // Arbitrary initial seed
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] [stderr] crater-edition-check: gptrs v0.0.1 (/opt/rustwide/workdir) updating edition from 2021 to 2024
[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] error: 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: 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: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: `#[deny(static_mut_refs)]` (part of `#[deny(rust_2024_compatibility)]`) on by default
[INFO] [stdout] help: this type already provides "interior mutability", so its binding doesn't need to be declared as mutable
[INFO] [stdout]    |
[INFO] [stdout]  9 - static mut RNG_STATE: Mutex<u64> = Mutex::new(123456789); // Arbitrary initial seed
[INFO] [stdout]  9 + static RNG_STATE: Mutex<u64> = Mutex::new(123456789); // Arbitrary initial seed
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gptrs` (bin "gptrs") due to 1 previous error; 15 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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] error: 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: 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: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: `#[deny(static_mut_refs)]` (part of `#[deny(rust_2024_compatibility)]`) on by default
[INFO] [stdout] help: this type already provides "interior mutability", so its binding doesn't need to be declared as mutable
[INFO] [stdout]    |
[INFO] [stdout]  9 - static mut RNG_STATE: Mutex<u64> = Mutex::new(123456789); // Arbitrary initial seed
[INFO] [stdout]  9 + static RNG_STATE: Mutex<u64> = Mutex::new(123456789); // Arbitrary initial seed
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gptrs` (bin "gptrs" test) due to 1 previous error; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "57809710f375daf8d89f9e73983c286813458b30b68d92f11d54d954add9f3eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57809710f375daf8d89f9e73983c286813458b30b68d92f11d54d954add9f3eb", kill_on_drop: false }`
[INFO] [stdout] 57809710f375daf8d89f9e73983c286813458b30b68d92f11d54d954add9f3eb
