[INFO] fetching crate DeepIron 0.1.4...
[INFO] checking DeepIron-0.1.4 against 895980e0290783bb09b1ccf1b11f14eb09b10430 for pr-160186
[INFO] extracting crate DeepIron 0.1.4 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate DeepIron 0.1.4
[INFO] finished tweaking crates.io crate DeepIron 0.1.4
[INFO] tweaked toml for crates.io crate DeepIron 0.1.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate DeepIron 0.1.4 on toolchain 895980e0290783bb09b1ccf1b11f14eb09b10430
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 159 packages to highest compatible versions
[INFO] [stderr]       Adding polars v0.35.4 (available: v0.55.2)
[INFO] [stderr]       Adding rand v0.8.8 (available: v0.10.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] ec919b8c56a6a28455307ef6c49091a7ed8556c4aa84c1c16d428a78d9eba3d0
[INFO] running `Command { std: "docker" "start" "ec919b8c56a6a28455307ef6c49091a7ed8556c4aa84c1c16d428a78d9eba3d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec919b8c56a6a28455307ef6c49091a7ed8556c4aa84c1c16d428a78d9eba3d0", 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" "ec919b8c56a6a28455307ef6c49091a7ed8556c4aa84c1c16d428a78d9eba3d0" "/opt/rustwide/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec919b8c56a6a28455307ef6c49091a7ed8556c4aa84c1c16d428a78d9eba3d0", 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=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ec919b8c56a6a28455307ef6c49091a7ed8556c4aa84c1c16d428a78d9eba3d0" "/opt/rustwide/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-features v0.1.6
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking aho-corasick v1.1.5
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]     Checking either v1.19.0
[INFO] [stderr]    Compiling polars-utils v0.35.4
[INFO] [stderr]     Checking smallvec v1.16.3
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling syn v3.0.9
[INFO] [stderr]     Checking ahash v0.8.12
[INFO] [stderr]    Compiling rustix v1.1.5
[INFO] [stderr]     Checking simdutf8 v0.1.5
[INFO] [stderr]     Checking equivalent v1.0.3
[INFO] [stderr]     Checking chrono v0.4.45
[INFO] [stderr]     Checking bitflags v2.13.2
[INFO] [stderr]    Compiling litrs v1.0.1
[INFO] [stderr]     Checking indexmap v2.14.2
[INFO] [stderr]     Checking streaming-iterator v0.1.9
[INFO] [stderr]     Checking strength_reduce v0.2.4
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[INFO] [stderr]     Checking atoi_simd v0.15.6
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]    Compiling polars-core v0.35.4
[INFO] [stderr]    Compiling polars-ops v0.35.4
[INFO] [stderr]     Checking xxhash-rust v0.8.19
[INFO] [stderr]     Checking argminmax v0.6.3
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking atoi v2.0.0
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking memmap2 v0.7.1
[INFO] [stderr]    Compiling polars v0.35.4
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling document-features v0.2.12
[INFO] [stderr]     Checking rand_chacha v0.3.1
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[INFO] [stderr]    Compiling thiserror-impl v1.0.69
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[INFO] [stderr]    Compiling bytemuck_derive v1.12.1
[INFO] [stderr]     Checking thiserror v1.0.69
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[INFO] [stderr]     Checking DeepIron v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `LossFunctionType` and `LossFunction`
[INFO] [stdout]   --> src/layers.rs:13:40
[INFO] [stdout]    |
[INFO] [stdout] 13 |     use crate::model::loss_functions::{LossFunction, LossFunctionType};
[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 import: `ActivationFunction`
[INFO] [stdout]  --> src/multilayer_perceptron.rs:4:42
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::model::activation_functions::{ActivationFunction, ActivationFunctionType};
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `KernelFunctionType` and `KernelFunction`
[INFO] [stdout]  --> src/multilayer_perceptron.rs:5:38
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::model::kernel_functions::{KernelFunction, KernelFunctionType};
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ActivationFunctionType` and `ActivationFunction`
[INFO] [stdout]  --> src/k_means.rs:4:42
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::model::activation_functions::{ActivationFunction, ActivationFunctionType};
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `LossFunctionType` and `LossFunction`
[INFO] [stdout]  --> src/k_means.rs:5:36
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::model::loss_functions::{LossFunction, LossFunctionType};
[INFO] [stdout]   |                                    ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `LossFunctionType` and `LossFunction`
[INFO] [stdout]   --> src/layers.rs:13:40
[INFO] [stdout]    |
[INFO] [stdout] 13 |     use crate::model::loss_functions::{LossFunction, LossFunctionType};
[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 import: `ActivationFunction`
[INFO] [stdout]  --> src/multilayer_perceptron.rs:4:42
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::model::activation_functions::{ActivationFunction, ActivationFunctionType};
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `KernelFunctionType` and `KernelFunction`
[INFO] [stdout]  --> src/multilayer_perceptron.rs:5:38
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::model::kernel_functions::{KernelFunction, KernelFunctionType};
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ActivationFunctionType` and `ActivationFunction`
[INFO] [stdout]  --> src/k_means.rs:4:42
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::model::activation_functions::{ActivationFunction, ActivationFunctionType};
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `LossFunctionType` and `LossFunction`
[INFO] [stdout]  --> src/k_means.rs:5:36
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::model::loss_functions::{LossFunction, LossFunctionType};
[INFO] [stdout]   |                                    ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `grad_input`
[INFO] [stdout]    --> src/layers.rs:176:17
[INFO] [stdout]     |
[INFO] [stdout] 176 |             let grad_input: Series = &inputs * &grad_outputs;
[INFO] [stdout]     |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_grad_input`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `old_centroids` is never read
[INFO] [stdout]    --> src/k_means.rs:323:44
[INFO] [stdout]     |
[INFO] [stdout] 323 |         let mut old_centroids: DataFrame = DataFrame::new::<Series>(vec![]).unwrap();
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 329 |                     old_centroids = self.centroid_coordinates.clone();
[INFO] [stdout]     |                     ------------- `old_centroids` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `new_centroids` is never read
[INFO] [stdout]    --> src/k_means.rs:324:44
[INFO] [stdout]     |
[INFO] [stdout] 324 |         let mut new_centroids: DataFrame = DataFrame::new::<Series>(vec![]).unwrap();
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 330 |                     new_centroids = DataFrame::new::<Series>(vec![]).unwrap();
[INFO] [stdout]     |                     ------------- `new_centroids` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `DeepIron` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `deep_iron`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `grad_input`
[INFO] [stdout]    --> src/layers.rs:176:17
[INFO] [stdout]     |
[INFO] [stdout] 176 |             let grad_input: Series = &inputs * &grad_outputs;
[INFO] [stdout]     |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_grad_input`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `old_centroids` is never read
[INFO] [stdout]    --> src/k_means.rs:323:44
[INFO] [stdout]     |
[INFO] [stdout] 323 |         let mut old_centroids: DataFrame = DataFrame::new::<Series>(vec![]).unwrap();
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 329 |                     old_centroids = self.centroid_coordinates.clone();
[INFO] [stdout]     |                     ------------- `old_centroids` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `new_centroids` is never read
[INFO] [stdout]    --> src/k_means.rs:324:44
[INFO] [stdout]     |
[INFO] [stdout] 324 |         let mut new_centroids: DataFrame = DataFrame::new::<Series>(vec![]).unwrap();
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 330 |                     new_centroids = DataFrame::new::<Series>(vec![]).unwrap();
[INFO] [stdout]     |                     ------------- `new_centroids` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.88s
[INFO] running `Command { std: "docker" "inspect" "ec919b8c56a6a28455307ef6c49091a7ed8556c4aa84c1c16d428a78d9eba3d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec919b8c56a6a28455307ef6c49091a7ed8556c4aa84c1c16d428a78d9eba3d0", kill_on_drop: false }`
[INFO] [stdout] ec919b8c56a6a28455307ef6c49091a7ed8556c4aa84c1c16d428a78d9eba3d0
