[INFO] cloning repository https://github.com/jackcooperusesvim/rust-ml-lib
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jackcooperusesvim/rust-ml-lib" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackcooperusesvim%2Frust-ml-lib", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackcooperusesvim%2Frust-ml-lib'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a0d3eba7ce97cee525f7ba2e065333456115dfca
[INFO] testing jackcooperusesvim/rust-ml-lib against beta-2026-03-05 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackcooperusesvim%2Frust-ml-lib" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jackcooperusesvim/rust-ml-lib
[INFO] finished tweaking git repo https://github.com/jackcooperusesvim/rust-ml-lib
[INFO] tweaked toml for git repo https://github.com/jackcooperusesvim/rust-ml-lib written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jackcooperusesvim/rust-ml-lib on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jackcooperusesvim/rust-ml-lib 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" "+beta-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 150ed14b714a0d57e642e0386ea022e189cb11f14dd0888c18b6ec816b49db7b
[INFO] running `Command { std: "docker" "start" "-a" "150ed14b714a0d57e642e0386ea022e189cb11f14dd0888c18b6ec816b49db7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "150ed14b714a0d57e642e0386ea022e189cb11f14dd0888c18b6ec816b49db7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "150ed14b714a0d57e642e0386ea022e189cb11f14dd0888c18b6ec816b49db7b", kill_on_drop: false }`
[INFO] [stdout] 150ed14b714a0d57e642e0386ea022e189cb11f14dd0888c18b6ec816b49db7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fffb685a4506b592b50dfbe7a58dc4b7885faa96f3e34f51a05542857cd9727f
[INFO] running `Command { std: "docker" "start" "-a" "fffb685a4506b592b50dfbe7a58dc4b7885faa96f3e34f51a05542857cd9727f", kill_on_drop: false }`
[INFO] [stderr]    Compiling ml v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/models/mlp.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |             SingleDimGrad::Dense(grad_dta) => {}
[INFO] [stdout]    |             ------------------------------ matches all the relevant values
[INFO] [stdout] 82 |             _ => panic!("improper gradient type applied to Dense"),
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opt_alg`
[INFO] [stdout]   --> src/models/mlp.rs:79:57
[INFO] [stdout]    |
[INFO] [stdout] 79 |     fn apply_gradients(&mut self, grads: SingleDimGrad, opt_alg: &mut dyn Optimizer) {
[INFO] [stdout]    |                                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_opt_alg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `grad_dta`
[INFO] [stdout]   --> src/models/mlp.rs:81:34
[INFO] [stdout]    |
[INFO] [stdout] 81 |             SingleDimGrad::Dense(grad_dta) => {}
[INFO] [stdout]    |                                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_grad_dta`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Sigmoid` is more private than the item `Activations::Sigmoid::0`
[INFO] [stdout]  --> src/models/mlp/activation.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Sigmoid(Sigmoid),
[INFO] [stdout]   |             ^^^^^^^ field `Activations::Sigmoid::0` is reachable at visibility `pub`
[INFO] [stdout]   |
[INFO] [stdout] note: but type `Sigmoid` is only usable at visibility `pub(self)`
[INFO] [stdout]  --> src/models/mlp/activation.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Sigmoid {}
[INFO] [stdout]   | ^^^^^^^^^^^^^^
[INFO] [stdout]   = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MeanSquaredError` is never constructed
[INFO] [stdout]  --> src/loss.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct MeanSquaredError {}
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Knn` is never constructed
[INFO] [stdout]  --> src/models/classification/knn.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Knn<C: Eq + Hash + Clone> {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `train`, and `eval` are never used
[INFO] [stdout]   --> src/models/classification/knn.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<C: Clone + Eq + Hash> Knn<C> {
[INFO] [stdout]    | --------------------------------- associated items in this implementation
[INFO] [stdout] 12 |     fn new(k: usize) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     fn train(&mut self, data: Vec<(Vec<f32>, C)>) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn eval(&self, input: &Vec<f32>) -> Option<C> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `weights`, `biases`, and `activation` are never read
[INFO] [stdout]   --> src/models/mlp.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Dense<'a, const INPUT_SIZE: usize, const OUTPUT_SIZE: usize> {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 13 |     weights: Vec<Vec<f32>>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 14 |     biases: Vec<f32>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 15 |     activation: &'a mut dyn ActFunc,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DenseGradient` is never constructed
[INFO] [stdout]   --> src/models/mlp.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct DenseGradient {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SingleDimGrad` is never used
[INFO] [stdout]   --> src/models/mlp.rs:23:6
[INFO] [stdout]    |
[INFO] [stdout] 23 | enum SingleDimGrad {
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SingleDimLayer` is never used
[INFO] [stdout]   --> src/models/mlp.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 | trait SingleDimLayer<const INPUT_SIZE: usize, const OUTPUT_SIZE: usize> {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/models/mlp.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl<const INPUT_SIZE: usize, const OUTPUT_SIZE: usize> Dense<'_, INPUT_SIZE, OUTPUT_SIZE> {
[INFO] [stdout]    | ------------------------------------------------------------------------------------------ associated function in this implementation
[INFO] [stdout] 36 |     fn new<'a>(
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Relu` is never constructed
[INFO] [stdout]  --> src/models/mlp/activation.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Relu {}
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: const parameter `len` should have an upper case name
[INFO] [stdout]  --> src/models/mlp/vec_math.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn slice_dot<const len: usize>(vec1: [f32; len], vec2: [f32; len]) -> f32 {
[INFO] [stdout]   |                        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]   |
[INFO] [stdout] 2 - pub fn slice_dot<const len: usize>(vec1: [f32; len], vec2: [f32; len]) -> f32 {
[INFO] [stdout] 2 + pub fn slice_dot<const LEN: usize>(vec1: [f32; len], vec2: [f32; len]) -> f32 {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "fffb685a4506b592b50dfbe7a58dc4b7885faa96f3e34f51a05542857cd9727f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fffb685a4506b592b50dfbe7a58dc4b7885faa96f3e34f51a05542857cd9727f", kill_on_drop: false }`
[INFO] [stdout] fffb685a4506b592b50dfbe7a58dc4b7885faa96f3e34f51a05542857cd9727f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fc4295036051cdc7504aa0765b794c4899e0b257fb905d0846c741d6073b480
[INFO] running `Command { std: "docker" "start" "-a" "0fc4295036051cdc7504aa0765b794c4899e0b257fb905d0846c741d6073b480", kill_on_drop: false }`
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/models/mlp.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |             SingleDimGrad::Dense(grad_dta) => {}
[INFO] [stdout]    |             ------------------------------ matches all the relevant values
[INFO] [stdout] 82 |             _ => panic!("improper gradient type applied to Dense"),
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opt_alg`
[INFO] [stdout]   --> src/models/mlp.rs:79:57
[INFO] [stdout]    |
[INFO] [stdout] 79 |     fn apply_gradients(&mut self, grads: SingleDimGrad, opt_alg: &mut dyn Optimizer) {
[INFO] [stdout]    |                                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_opt_alg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `grad_dta`
[INFO] [stdout]   --> src/models/mlp.rs:81:34
[INFO] [stdout]    |
[INFO] [stdout] 81 |             SingleDimGrad::Dense(grad_dta) => {}
[INFO] [stdout]    |                                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_grad_dta`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Sigmoid` is more private than the item `Activations::Sigmoid::0`
[INFO] [stdout]  --> src/models/mlp/activation.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Sigmoid(Sigmoid),
[INFO] [stdout]   |             ^^^^^^^ field `Activations::Sigmoid::0` is reachable at visibility `pub`
[INFO] [stdout]   |
[INFO] [stdout] note: but type `Sigmoid` is only usable at visibility `pub(self)`
[INFO] [stdout]  --> src/models/mlp/activation.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Sigmoid {}
[INFO] [stdout]   | ^^^^^^^^^^^^^^
[INFO] [stdout]   = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ml v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `MeanSquaredError` is never constructed
[INFO] [stdout]  --> src/loss.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct MeanSquaredError {}
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Knn` is never constructed
[INFO] [stdout]  --> src/models/classification/knn.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Knn<C: Eq + Hash + Clone> {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `train`, and `eval` are never used
[INFO] [stdout]   --> src/models/classification/knn.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<C: Clone + Eq + Hash> Knn<C> {
[INFO] [stdout]    | --------------------------------- associated items in this implementation
[INFO] [stdout] 12 |     fn new(k: usize) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     fn train(&mut self, data: Vec<(Vec<f32>, C)>) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn eval(&self, input: &Vec<f32>) -> Option<C> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `weights`, `biases`, and `activation` are never read
[INFO] [stdout]   --> src/models/mlp.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Dense<'a, const INPUT_SIZE: usize, const OUTPUT_SIZE: usize> {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 13 |     weights: Vec<Vec<f32>>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 14 |     biases: Vec<f32>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 15 |     activation: &'a mut dyn ActFunc,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DenseGradient` is never constructed
[INFO] [stdout]   --> src/models/mlp.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct DenseGradient {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SingleDimGrad` is never used
[INFO] [stdout]   --> src/models/mlp.rs:23:6
[INFO] [stdout]    |
[INFO] [stdout] 23 | enum SingleDimGrad {
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SingleDimLayer` is never used
[INFO] [stdout]   --> src/models/mlp.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 | trait SingleDimLayer<const INPUT_SIZE: usize, const OUTPUT_SIZE: usize> {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/models/mlp.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl<const INPUT_SIZE: usize, const OUTPUT_SIZE: usize> Dense<'_, INPUT_SIZE, OUTPUT_SIZE> {
[INFO] [stdout]    | ------------------------------------------------------------------------------------------ associated function in this implementation
[INFO] [stdout] 36 |     fn new<'a>(
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Relu` is never constructed
[INFO] [stdout]  --> src/models/mlp/activation.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Relu {}
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: const parameter `len` should have an upper case name
[INFO] [stdout]  --> src/models/mlp/vec_math.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn slice_dot<const len: usize>(vec1: [f32; len], vec2: [f32; len]) -> f32 {
[INFO] [stdout]   |                        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]   |
[INFO] [stdout] 2 - pub fn slice_dot<const len: usize>(vec1: [f32; len], vec2: [f32; len]) -> f32 {
[INFO] [stdout] 2 + pub fn slice_dot<const LEN: usize>(vec1: [f32; len], vec2: [f32; len]) -> f32 {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/lib.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/models/mlp.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |             SingleDimGrad::Dense(grad_dta) => {}
[INFO] [stdout]    |             ------------------------------ matches all the relevant values
[INFO] [stdout] 82 |             _ => panic!("improper gradient type applied to Dense"),
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opt_alg`
[INFO] [stdout]   --> src/models/mlp.rs:79:57
[INFO] [stdout]    |
[INFO] [stdout] 79 |     fn apply_gradients(&mut self, grads: SingleDimGrad, opt_alg: &mut dyn Optimizer) {
[INFO] [stdout]    |                                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_opt_alg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `grad_dta`
[INFO] [stdout]   --> src/models/mlp.rs:81:34
[INFO] [stdout]    |
[INFO] [stdout] 81 |             SingleDimGrad::Dense(grad_dta) => {}
[INFO] [stdout]    |                                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_grad_dta`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Sigmoid` is more private than the item `Activations::Sigmoid::0`
[INFO] [stdout]  --> src/models/mlp/activation.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Sigmoid(Sigmoid),
[INFO] [stdout]   |             ^^^^^^^ field `Activations::Sigmoid::0` is reachable at visibility `pub`
[INFO] [stdout]   |
[INFO] [stdout] note: but type `Sigmoid` is only usable at visibility `pub(self)`
[INFO] [stdout]  --> src/models/mlp/activation.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Sigmoid {}
[INFO] [stdout]   | ^^^^^^^^^^^^^^
[INFO] [stdout]   = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `weights`, `biases`, and `activation` are never read
[INFO] [stdout]   --> src/models/mlp.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Dense<'a, const INPUT_SIZE: usize, const OUTPUT_SIZE: usize> {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 13 |     weights: Vec<Vec<f32>>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 14 |     biases: Vec<f32>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 15 |     activation: &'a mut dyn ActFunc,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DenseGradient` is never constructed
[INFO] [stdout]   --> src/models/mlp.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct DenseGradient {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SingleDimGrad` is never used
[INFO] [stdout]   --> src/models/mlp.rs:23:6
[INFO] [stdout]    |
[INFO] [stdout] 23 | enum SingleDimGrad {
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SingleDimLayer` is never used
[INFO] [stdout]   --> src/models/mlp.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 | trait SingleDimLayer<const INPUT_SIZE: usize, const OUTPUT_SIZE: usize> {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/models/mlp.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl<const INPUT_SIZE: usize, const OUTPUT_SIZE: usize> Dense<'_, INPUT_SIZE, OUTPUT_SIZE> {
[INFO] [stdout]    | ------------------------------------------------------------------------------------------ associated function in this implementation
[INFO] [stdout] 36 |     fn new<'a>(
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Relu` is never constructed
[INFO] [stdout]  --> src/models/mlp/activation.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Relu {}
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: const parameter `len` should have an upper case name
[INFO] [stdout]  --> src/models/mlp/vec_math.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn slice_dot<const len: usize>(vec1: [f32; len], vec2: [f32; len]) -> f32 {
[INFO] [stdout]   |                        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]   |
[INFO] [stdout] 2 - pub fn slice_dot<const len: usize>(vec1: [f32; len], vec2: [f32; len]) -> f32 {
[INFO] [stdout] 2 + pub fn slice_dot<const LEN: usize>(vec1: [f32; len], vec2: [f32; len]) -> f32 {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "0fc4295036051cdc7504aa0765b794c4899e0b257fb905d0846c741d6073b480", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fc4295036051cdc7504aa0765b794c4899e0b257fb905d0846c741d6073b480", kill_on_drop: false }`
[INFO] [stdout] 0fc4295036051cdc7504aa0765b794c4899e0b257fb905d0846c741d6073b480
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ee476b64417d92f0ecc86c615eeea592141974ad5c7add1718f0c9e03aed27e4
[INFO] running `Command { std: "docker" "start" "-a" "ee476b64417d92f0ecc86c615eeea592141974ad5c7add1718f0c9e03aed27e4", kill_on_drop: false }`
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/models/mlp.rs:82:13
[INFO] [stderr]    |
[INFO] [stderr] 81 |             SingleDimGrad::Dense(grad_dta) => {}
[INFO] [stderr]    |             ------------------------------ matches all the relevant values
[INFO] [stderr] 82 |             _ => panic!("improper gradient type applied to Dense"),
[INFO] [stderr]    |             ^ no value can reach this
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `opt_alg`
[INFO] [stderr]   --> src/models/mlp.rs:79:57
[INFO] [stderr]    |
[INFO] [stderr] 79 |     fn apply_gradients(&mut self, grads: SingleDimGrad, opt_alg: &mut dyn Optimizer) {
[INFO] [stderr]    |                                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_opt_alg`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `grad_dta`
[INFO] [stderr]   --> src/models/mlp.rs:81:34
[INFO] [stderr]    |
[INFO] [stderr] 81 |             SingleDimGrad::Dense(grad_dta) => {}
[INFO] [stderr]    |                                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_grad_dta`
[INFO] [stderr] 
[INFO] [stderr] warning: type `Sigmoid` is more private than the item `Activations::Sigmoid::0`
[INFO] [stderr]  --> src/models/mlp/activation.rs:4:13
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Sigmoid(Sigmoid),
[INFO] [stderr]   |             ^^^^^^^ field `Activations::Sigmoid::0` is reachable at visibility `pub`
[INFO] [stderr]   |
[INFO] [stderr] note: but type `Sigmoid` is only usable at visibility `pub(self)`
[INFO] [stderr]  --> src/models/mlp/activation.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | struct Sigmoid {}
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr]   = note: `#[warn(private_interfaces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `MeanSquaredError` is never constructed
[INFO] [stderr]  --> src/loss.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | struct MeanSquaredError {}
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Knn` is never constructed
[INFO] [stderr]  --> src/models/classification/knn.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | struct Knn<C: Eq + Hash + Clone> {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `train`, and `eval` are never used
[INFO] [stderr]   --> src/models/classification/knn.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl<C: Clone + Eq + Hash> Knn<C> {
[INFO] [stderr]    | --------------------------------- associated items in this implementation
[INFO] [stderr] 12 |     fn new(k: usize) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 20 |     fn train(&mut self, data: Vec<(Vec<f32>, C)>) {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 30 |     fn eval(&self, input: &Vec<f32>) -> Option<C> {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `weights`, `biases`, and `activation` are never read
[INFO] [stderr]   --> src/models/mlp.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub struct Dense<'a, const INPUT_SIZE: usize, const OUTPUT_SIZE: usize> {
[INFO] [stderr]    |            ----- fields in this struct
[INFO] [stderr] 13 |     weights: Vec<Vec<f32>>,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 14 |     biases: Vec<f32>,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 15 |     activation: &'a mut dyn ActFunc,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `DenseGradient` is never constructed
[INFO] [stderr]   --> src/models/mlp.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 18 | struct DenseGradient {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `SingleDimGrad` is never used
[INFO] [stderr]   --> src/models/mlp.rs:23:6
[INFO] [stderr]    |
[INFO] [stderr] 23 | enum SingleDimGrad {
[INFO] [stderr]    |      ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `SingleDimLayer` is never used
[INFO] [stderr]   --> src/models/mlp.rs:27:7
[INFO] [stderr]    |
[INFO] [stderr] 27 | trait SingleDimLayer<const INPUT_SIZE: usize, const OUTPUT_SIZE: usize> {
[INFO] [stderr]    |       ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/models/mlp.rs:36:8
[INFO] [stderr]    |
[INFO] [stderr] 35 | impl<const INPUT_SIZE: usize, const OUTPUT_SIZE: usize> Dense<'_, INPUT_SIZE, OUTPUT_SIZE> {
[INFO] [stderr]    | ------------------------------------------------------------------------------------------ associated function in this implementation
[INFO] [stderr] 36 |     fn new<'a>(
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Relu` is never constructed
[INFO] [stderr]  --> src/models/mlp/activation.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | struct Relu {}
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: const parameter `len` should have an upper case name
[INFO] [stderr]  --> src/models/mlp/vec_math.rs:2:24
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub fn slice_dot<const len: usize>(vec1: [f32; len], vec2: [f32; len]) -> f32 {
[INFO] [stderr]   |                        ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] help: convert the identifier to upper case
[INFO] [stderr]   |
[INFO] [stderr] 2 - pub fn slice_dot<const len: usize>(vec1: [f32; len], vec2: [f32; len]) -> f32 {
[INFO] [stderr] 2 + pub fn slice_dot<const LEN: usize>(vec1: [f32; len], vec2: [f32; len]) -> f32 {
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: `ml` (lib) generated 14 warnings (run `cargo fix --lib -p ml` to apply 3 suggestions)
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/lib.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `weights`, `biases`, and `activation` are never read
[INFO] [stderr]   --> src/models/mlp.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub struct Dense<'a, const INPUT_SIZE: usize, const OUTPUT_SIZE: usize> {
[INFO] [stderr]    |            ----- fields in this struct
[INFO] [stderr] 13 |     weights: Vec<Vec<f32>>,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 14 |     biases: Vec<f32>,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 15 |     activation: &'a mut dyn ActFunc,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ml` (lib test) generated 12 warnings (10 duplicates) (run `cargo fix --lib -p ml --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ml-bde1436017d29ae2)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout] test loss::tests::mse_eval ... ok
[INFO] [stdout] test loss::tests::mse_grads ... ok
[INFO] [stdout] test models::classification::knn::tests::k1_basic_knn ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test models::classification::knn::tests::k2_basic_knn ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- models::classification::knn::tests::k2_basic_knn stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'models::classification::knn::tests::k2_basic_knn' (19) panicked at src/models/classification/knn.rs:107:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 4
[INFO] [stdout]  right: 1
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5a8e3edc0d6a - std[b80a194dd3c418bb]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5a8e3edc0d6a - std[b80a194dd3c418bb]::backtrace_rs::backtrace::trace_unsynchronized::<std[b80a194dd3c418bb]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5a8e3edc0d6a - std[b80a194dd3c418bb]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5a8e3edc0d6a - <<std[b80a194dd3c418bb]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[10b6fa85044e1869]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5a8e3edd54ea - <core[10b6fa85044e1869]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5a8e3edd54ea - core[10b6fa85044e1869]::fmt::write
[INFO] [stdout]    6:     0x5a8e3edc55f2 - std[b80a194dd3c418bb]::io::default_write_fmt::<alloc[dd269455e567d8e9]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5a8e3edc55f2 - <alloc[dd269455e567d8e9]::vec::Vec<u8> as std[b80a194dd3c418bb]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5a8e3ed9ff7f - <std[b80a194dd3c418bb]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5a8e3ed9ff7f - std[b80a194dd3c418bb]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5a8e3edb92d9 - std[b80a194dd3c418bb]::panicking::default_hook
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5a8e3ed5531c - <alloc[dd269455e567d8e9]::boxed::Box<dyn for<'a, 'b> core[10b6fa85044e1869]::ops::function::Fn<(&'a std[b80a194dd3c418bb]::panic::PanicHookInfo<'b>,), Output = ()> + core[10b6fa85044e1869]::marker::Sync + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::Fn<(&std[b80a194dd3c418bb]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x5a8e3ed5531c - test[826cbc6ef54ab466]::test_main_with_exit_callback::<test[826cbc6ef54ab466]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5a8e3edb9492 - <alloc[dd269455e567d8e9]::boxed::Box<dyn for<'a, 'b> core[10b6fa85044e1869]::ops::function::Fn<(&'a std[b80a194dd3c418bb]::panic::PanicHookInfo<'b>,), Output = ()> + core[10b6fa85044e1869]::marker::Sync + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::Fn<(&std[b80a194dd3c418bb]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x5a8e3edb9492 - std[b80a194dd3c418bb]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5a8e3eda0038 - std[b80a194dd3c418bb]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5a8e3ed979d9 - std[b80a194dd3c418bb]::sys::backtrace::__rust_end_short_backtrace::<std[b80a194dd3c418bb]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5a8e3eda0d4d - __rustc[9698a3e60dd14283]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5a8e3edd5d5c - core[10b6fa85044e1869]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5a8e3edd5c13 - core[10b6fa85044e1869]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x5a8e3ed944c5 - core[10b6fa85044e1869]::panicking::assert_failed::<i32, i32>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x5a8e3ed405a4 - ml::models::classification::knn::tests::k2_basic_knn::h527672192c16cda6
[INFO] [stdout]                                at /opt/rustwide/workdir/src/models/classification/knn.rs:107:9
[INFO] [stdout]   22:     0x5a8e3ed40627 - ml::models::classification::knn::tests::k2_basic_knn::{{closure}}::h510747aab5460231
[INFO] [stdout]                                at /opt/rustwide/workdir/src/models/classification/knn.rs:91:22
[INFO] [stdout]   23:     0x5a8e3ed37ff6 - core::ops::function::FnOnce::call_once::h1693c4a02bbbbb1c
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5a8e3ed493fb - <fn() -> core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5a8e3ed493fb - test[826cbc6ef54ab466]::__rust_begin_short_backtrace::<core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>, fn() -> core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x5a8e3ed55deb - test[826cbc6ef54ab466]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x5a8e3ed55deb - <core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x5a8e3ed55deb - std[b80a194dd3c418bb]::panicking::catch_unwind::do_call::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>, core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x5a8e3ed55deb - std[b80a194dd3c418bb]::panicking::catch_unwind::<core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>, core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5a8e3ed55deb - std[b80a194dd3c418bb]::panic::catch_unwind::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>, core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5a8e3ed55deb - test[826cbc6ef54ab466]::run_test_in_process
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x5a8e3ed55deb - test[826cbc6ef54ab466]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x5a8e3ed51504 - test[826cbc6ef54ab466]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x5a8e3ed51504 - std[b80a194dd3c418bb]::sys::backtrace::__rust_begin_short_backtrace::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x5a8e3ed589f2 - std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x5a8e3ed589f2 - <core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x5a8e3ed589f2 - std[b80a194dd3c418bb]::panicking::catch_unwind::do_call::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x5a8e3ed589f2 - std[b80a194dd3c418bb]::panicking::catch_unwind::<(), core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x5a8e3ed589f2 - std[b80a194dd3c418bb]::panic::catch_unwind::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5a8e3ed589f2 - std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x5a8e3ed589f2 - <std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1} as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5a8e3edc067f - <alloc[dd269455e567d8e9]::boxed::Box<dyn core[10b6fa85044e1869]::ops::function::FnOnce<(), Output = ()> + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   43:     0x5a8e3edc067f - <std[b80a194dd3c418bb]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x7bb50a07daa4 - <unknown>
[INFO] [stdout]   45:     0x7bb50a10aa64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     models::classification::knn::tests::k2_basic_knn
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 4 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ee476b64417d92f0ecc86c615eeea592141974ad5c7add1718f0c9e03aed27e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee476b64417d92f0ecc86c615eeea592141974ad5c7add1718f0c9e03aed27e4", kill_on_drop: false }`
[INFO] [stdout] ee476b64417d92f0ecc86c615eeea592141974ad5c7add1718f0c9e03aed27e4
