[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 1.86.0 for beta-1.87-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackcooperusesvim%2Frust-ml-lib" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jackcooperusesvim/rust-ml-lib on toolchain 1.86.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-6-tc1/source/Cargo.toml
[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" "+1.86.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5322b1e05404a0c5cdfd9c8e8944d27b055bafb01f5f99a5cf97ba5d2b66a34
[INFO] running `Command { std: "docker" "start" "-a" "f5322b1e05404a0c5cdfd9c8e8944d27b055bafb01f5f99a5cf97ba5d2b66a34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5322b1e05404a0c5cdfd9c8e8944d27b055bafb01f5f99a5cf97ba5d2b66a34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5322b1e05404a0c5cdfd9c8e8944d27b055bafb01f5f99a5cf97ba5d2b66a34", kill_on_drop: false }`
[INFO] [stdout] f5322b1e05404a0c5cdfd9c8e8944d27b055bafb01f5f99a5cf97ba5d2b66a34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb87d6a6d818c907d64c9410689ea5fae1ac15c84a390dc7d930e277915527fe
[INFO] running `Command { std: "docker" "start" "-a" "fb87d6a6d818c907d64c9410689ea5fae1ac15c84a390dc7d930e277915527fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling fastrand v2.2.0
[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)]` 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]    = note: `#[warn(unused_variables)]` 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] 
[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)]` 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]   |                        ^^^ help: convert the identifier to upper case: `LEN`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "fb87d6a6d818c907d64c9410689ea5fae1ac15c84a390dc7d930e277915527fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb87d6a6d818c907d64c9410689ea5fae1ac15c84a390dc7d930e277915527fe", kill_on_drop: false }`
[INFO] [stdout] fb87d6a6d818c907d64c9410689ea5fae1ac15c84a390dc7d930e277915527fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d4e8b83997ea3cc234458c1cf84eca1f899cbea025874c0ab4fceed17ec89c4
[INFO] running `Command { std: "docker" "start" "-a" "3d4e8b83997ea3cc234458c1cf84eca1f899cbea025874c0ab4fceed17ec89c4", 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)]` 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]    = note: `#[warn(unused_variables)]` 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] 
[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)]` 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]   |                        ^^^ help: convert the identifier to upper case: `LEN`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[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)]` 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)]` 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]    = note: `#[warn(unused_variables)]` 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] 
[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)]` 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]   |                        ^^^ help: convert the identifier to upper case: `LEN`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "3d4e8b83997ea3cc234458c1cf84eca1f899cbea025874c0ab4fceed17ec89c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d4e8b83997ea3cc234458c1cf84eca1f899cbea025874c0ab4fceed17ec89c4", kill_on_drop: false }`
[INFO] [stdout] 3d4e8b83997ea3cc234458c1cf84eca1f899cbea025874c0ab4fceed17ec89c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3c887912ffd29dc7e63174581ce83cafd49e93f205fb1dc6c23b7ac897ab0e1d
[INFO] running `Command { std: "docker" "start" "-a" "3c887912ffd29dc7e63174581ce83cafd49e93f205fb1dc6c23b7ac897ab0e1d", 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)]` 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]    = note: `#[warn(unused_variables)]` 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] 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)]` 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]   |                        ^^^ help: convert the identifier to upper case: `LEN`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ml` (lib) generated 14 warnings
[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)]` 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)]` 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 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ml-8f354fbbc4e0f709)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test loss::tests::mse_grads ... ok
[INFO] [stdout] test loss::tests::mse_eval ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test models::classification::knn::tests::k1_basic_knn ... 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' panicked at src/models/classification/knn.rs:107:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 3
[INFO] [stdout]  right: 1
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56e2c8ffddd0 - std::backtrace_rs::backtrace::libunwind::trace::h2b8934d68a0c74cb
[INFO] [stdout]                                at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x56e2c8ffddd0 - std::backtrace_rs::backtrace::trace_unsynchronized::h72d137991fa6eab8
[INFO] [stdout]                                at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x56e2c8ffddd0 - std::sys::backtrace::_print_fmt::h3e831e32e6da920b
[INFO] [stdout]                                at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x56e2c8ffddd0 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h6d42cc84fc840290
[INFO] [stdout]                                at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x56e2c9024eb3 - core::fmt::rt::Argument::fmt::h7239af9e2199f2a8
[INFO] [stdout]                                at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x56e2c9024eb3 - core::fmt::write::h5af61a909e3ec64d
[INFO] [stdout]                                at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/fmt/mod.rs:1449:21
[INFO] [stdout]    6:     0x56e2c8ffaef3 - std::io::Write::write_fmt::h64baa9197d9a3b04
[INFO] [stdout]                                at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/io/mod.rs:1890:15
[INFO] [stdout]    7:     0x56e2c8ffdc22 - std::sys::backtrace::BacktraceLock::print::h555579e7396c26ac
[INFO] [stdout]                                at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x56e2c8fff1ff - std::panicking::default_hook::{{closure}}::h9128866118196224
[INFO] [stdout]                                at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:298:22
[INFO] [stdout]    9:     0x56e2c8fff018 - std::panicking::default_hook::h52e9e7314e0255f6
[INFO] [stdout]                                at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:322:9
[INFO] [stdout]   10:     0x56e2c8fc7b55 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb86f691850cc3c26
[INFO] [stdout]                                at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/alloc/src/boxed.rs:1990:9
[INFO] [stdout]   11:     0x56e2c8fc7b55 - test::test_main::{{closure}}::h903d8079e3c94d93
[INFO] [stdout]                                at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/test/src/lib.rs:135:21
[INFO] [stdout]   12:     0x56e2c8fffc73 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7c356b28a03897d7
[INFO] [stdout]                                at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/alloc/src/boxed.rs:1990:9
[INFO] [stdout]   13:     0x56e2c8fffc73 - std::panicking::rust_panic_with_hook::h541791bcc774ef34
[INFO] [stdout]                                at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:839:13
[INFO] [stdout]   14:     0x56e2c8fff94a - std::panicking::begin_panic_handler::{{closure}}::h6479a2f0137c7d19
[INFO] [stdout]                                at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:704:13
[INFO] [stdout]   15:     0x56e2c8ffe2e9 - std::sys::backtrace::__rust_end_short_backtrace::ha04e7c0fc61ded91
[INFO] [stdout]                                at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   16:     0x56e2c8fff5dd - rust_begin_unwind
[INFO] [stdout]                                at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:695:5
[INFO] [stdout]   17:     0x56e2c8f79d20 - core::panicking::panic_fmt::h5764ee7030b7a73d
[INFO] [stdout]                                at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/panicking.rs:75:14
[INFO] [stdout]   18:     0x56e2c8f7a11a - core::panicking::assert_failed_inner::h75e36b16d296c663
[INFO] [stdout]   19:     0x56e2c8f784d6 - core::panicking::assert_failed::he7ee06b5c158f08d
[INFO] [stdout]                                at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/panicking.rs:380:5
[INFO] [stdout]   20:     0x56e2c8f8e925 - ml::models::classification::knn::tests::k2_basic_knn::ha8fd10301a690054
[INFO] [stdout]                                at /opt/rustwide/workdir/src/models/classification/knn.rs:107:9
[INFO] [stdout]   21:     0x56e2c8f8deb7 - ml::models::classification::knn::tests::k2_basic_knn::{{closure}}::hf90590e55e33e062
[INFO] [stdout]                                at /opt/rustwide/workdir/src/models/classification/knn.rs:91:22
[INFO] [stdout]   22:     0x56e2c8f8a796 - core::ops::function::FnOnce::call_once::h1ff2bab5a94ed698
[INFO] [stdout]                                at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x56e2c8fcd2db - core::ops::function::FnOnce::call_once::h1dfa20b1ec1f6e08
[INFO] [stdout]                                at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x56e2c8fcd2db - test::__rust_begin_short_backtrace::h7b10906492afc420
[INFO] [stdout]                                at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/test/src/lib.rs:637:18
[INFO] [stdout]   25:     0x56e2c8fcc1c8 - test::run_test_in_process::{{closure}}::h51c1c0d319f72c0a
[INFO] [stdout]                                at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/test/src/lib.rs:660:60
[INFO] [stdout]   26:     0x56e2c8fcc1c8 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h5fadb750f3dbe714
[INFO] [stdout]                                at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x56e2c8fcc1c8 - std::panicking::try::do_call::h1ca5071cef82bb40
[INFO] [stdout]                                at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:587:40
[INFO] [stdout]   28:     0x56e2c8fcc1c8 - std::panicking::try::h6931de76fb9a61b1
[INFO] [stdout]                                at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:550:19
[INFO] [stdout]   29:     0x56e2c8fcc1c8 - std::panic::catch_unwind::h67fc9dccf413f4e5
[INFO] [stdout]                                at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panic.rs:358:14
[INFO] [stdout]   30:     0x56e2c8fcc1c8 - test::run_test_in_process::ha966dfbb1d048be5
[INFO] [stdout]                                at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/test/src/lib.rs:660:27
[INFO] [stdout]   31:     0x56e2c8fcc1c8 - test::run_test::{{closure}}::he209928ac5e8a3b8
[INFO] [stdout]                                at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/test/src/lib.rs:581:43
[INFO] [stdout]   32:     0x56e2c8f90155 - test::run_test::{{closure}}::h34c6289e0b5ed5a5
[INFO] [stdout]                                at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/test/src/lib.rs:611:41
[INFO] [stdout]   33:     0x56e2c8f90155 - std::sys::backtrace::__rust_begin_short_backtrace::h365aabf21799e6fc
[INFO] [stdout]                                at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   34:     0x56e2c8f93bca - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h3d5e582cba74b1c3
[INFO] [stdout]                                at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   35:     0x56e2c8f93bca - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h1214c75c3f73f94f
[INFO] [stdout]                                at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x56e2c8f93bca - std::panicking::try::do_call::h73540336a45c0cec
[INFO] [stdout]                                at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:587:40
[INFO] [stdout]   37:     0x56e2c8f93bca - std::panicking::try::h428956564307af63
[INFO] [stdout]                                at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:550:19
[INFO] [stdout]   38:     0x56e2c8f93bca - std::panic::catch_unwind::h1a53a6ea2f2041e3
[INFO] [stdout]                                at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panic.rs:358:14
[INFO] [stdout]   39:     0x56e2c8f93bca - std::thread::Builder::spawn_unchecked_::{{closure}}::hac66cbb88d807e14
[INFO] [stdout]                                at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   40:     0x56e2c8f93bca - core::ops::function::FnOnce::call_once{{vtable.shim}}::had7e2d02878d3212
[INFO] [stdout]                                at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x56e2c90039bb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h292d1663b0785fda
[INFO] [stdout]                                at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/alloc/src/boxed.rs:1976:9
[INFO] [stdout]   42:     0x56e2c90039bb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h9d4af7b531852d72
[INFO] [stdout]                                at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/alloc/src/boxed.rs:1976:9
[INFO] [stdout]   43:     0x56e2c90039bb - std::sys::pal::unix::thread::Thread::new::thread_start::hcc5ed016d554f327
[INFO] [stdout]                                at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/sys/pal/unix/thread.rs:106:17
[INFO] [stdout]   44:     0x74033335aaa4 - <unknown>
[INFO] [stdout]   45:     0x7403333e7a34 - 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 0.03s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "3c887912ffd29dc7e63174581ce83cafd49e93f205fb1dc6c23b7ac897ab0e1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c887912ffd29dc7e63174581ce83cafd49e93f205fb1dc6c23b7ac897ab0e1d", kill_on_drop: false }`
[INFO] [stdout] 3c887912ffd29dc7e63174581ce83cafd49e93f205fb1dc6c23b7ac897ab0e1d