[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 try#a7ce54db9b096bd1098d07c645b489195a667c9f for pr-137940
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackcooperusesvim%2Frust-ml-lib" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jackcooperusesvim/rust-ml-lib on toolchain a7ce54db9b096bd1098d07c645b489195a667c9f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "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-2-tc2/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" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38c15e0fa502f65489d7caf62bfa6d1189df120d7ea412ceace722e334efff12
[INFO] running `Command { std: "docker" "start" "-a" "38c15e0fa502f65489d7caf62bfa6d1189df120d7ea412ceace722e334efff12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38c15e0fa502f65489d7caf62bfa6d1189df120d7ea412ceace722e334efff12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38c15e0fa502f65489d7caf62bfa6d1189df120d7ea412ceace722e334efff12", kill_on_drop: false }`
[INFO] [stdout] 38c15e0fa502f65489d7caf62bfa6d1189df120d7ea412ceace722e334efff12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a91582e53f4c3c73777a6cf2da09825889813291755da71496bcc42d374e94d0
[INFO] running `Command { std: "docker" "start" "-a" "a91582e53f4c3c73777a6cf2da09825889813291755da71496bcc42d374e94d0", 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 0.30s
[INFO] running `Command { std: "docker" "inspect" "a91582e53f4c3c73777a6cf2da09825889813291755da71496bcc42d374e94d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a91582e53f4c3c73777a6cf2da09825889813291755da71496bcc42d374e94d0", kill_on_drop: false }`
[INFO] [stdout] a91582e53f4c3c73777a6cf2da09825889813291755da71496bcc42d374e94d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 666603d70e15c8941a7a513a4179ecafab96dfc4679c13ec477d87ee02352394
[INFO] running `Command { std: "docker" "start" "-a" "666603d70e15c8941a7a513a4179ecafab96dfc4679c13ec477d87ee02352394", 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)]` 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]    Compiling ml v0.1.0 (/opt/rustwide/workdir)
[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 0.27s
[INFO] running `Command { std: "docker" "inspect" "666603d70e15c8941a7a513a4179ecafab96dfc4679c13ec477d87ee02352394", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "666603d70e15c8941a7a513a4179ecafab96dfc4679c13ec477d87ee02352394", kill_on_drop: false }`
[INFO] [stdout] 666603d70e15c8941a7a513a4179ecafab96dfc4679c13ec477d87ee02352394
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7eb45b47de5ff0275b307bcdddea1f1720fad3967668658baa229b4db4262218
[INFO] running `Command { std: "docker" "start" "-a" "7eb45b47de5ff0275b307bcdddea1f1720fad3967668658baa229b4db4262218", 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 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ml-fb5e8c3dad322229)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[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' 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:     0x5ae496d19eb2 - std::backtrace_rs::backtrace::libunwind::trace::h8d95625898284e7d
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5ae496d19eb2 - std::backtrace_rs::backtrace::trace_unsynchronized::h9eafd5c61303e492
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5ae496d19eb2 - std::sys::backtrace::_print_fmt::hec2578e807cc4a3f
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5ae496d19eb2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hd8ebefbbcb1fe23a
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5ae496d41aa3 - core::fmt::rt::Argument::fmt::h09f3c4b7b5ff5386
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/core/src/fmt/rt.rs:185:76
[INFO] [stdout]    5:     0x5ae496d41aa3 - core::fmt::write::hef9d041e1d5d9592
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/core/src/fmt/mod.rs:1449:21
[INFO] [stdout]    6:     0x5ae496d16c43 - std::io::Write::write_fmt::h7cfb9383e0a29362
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/io/mod.rs:1890:15
[INFO] [stdout]    7:     0x5ae496d19d02 - std::sys::backtrace::BacktraceLock::print::h263d323f217ce3a7
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x5ae496d1b35a - std::panicking::default_hook::{{closure}}::h25050253f7dc0d3e
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/panicking.rs:298:22
[INFO] [stdout]    9:     0x5ae496d1b149 - std::panicking::default_hook::hf3291a4c87ea2887
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/panicking.rs:322:9
[INFO] [stdout]   10:     0x5ae496ce3ab7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h51204ed24e282361
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/alloc/src/boxed.rs:1984:9
[INFO] [stdout]   11:     0x5ae496ce3ab7 - test::test_main::{{closure}}::h3588678a150ab7c4
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/test/src/lib.rs:136:21
[INFO] [stdout]   12:     0x5ae496d1be43 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h95d63edfac47e230
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/alloc/src/boxed.rs:1984:9
[INFO] [stdout]   13:     0x5ae496d1be43 - std::panicking::rust_panic_with_hook::h3550dbeaa1041124
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/panicking.rs:839:13
[INFO] [stdout]   14:     0x5ae496d1bafa - std::panicking::begin_panic_handler::{{closure}}::hde0dd646a9e2b5b7
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/panicking.rs:704:13
[INFO] [stdout]   15:     0x5ae496d1a3a9 - std::sys::backtrace::__rust_end_short_backtrace::haeb22ba48b4d728e
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   16:     0x5ae496d1b78d - rust_begin_unwind
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/panicking.rs:695:5
[INFO] [stdout]   17:     0x5ae496d3fa90 - core::panicking::panic_fmt::hca923aa694825dc3
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/core/src/panicking.rs:75:14
[INFO] [stdout]   18:     0x5ae496d3fdf7 - core::panicking::assert_failed_inner::h74605e175418b0d2
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/core/src/panicking.rs:425:17
[INFO] [stdout]   19:     0x5ae496cfa652 - core::panicking::assert_failed::h586b3ef8e7b7262e
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/core/src/panicking.rs:380:5
[INFO] [stdout]   20:     0x5ae496ca287b - ml::models::classification::knn::tests::k2_basic_knn::h459e8e2a0ff965f7
[INFO] [stdout]                                at /opt/rustwide/workdir/src/models/classification/knn.rs:107:9
[INFO] [stdout]   21:     0x5ae496ca1e47 - ml::models::classification::knn::tests::k2_basic_knn::{{closure}}::h7a6ec696b10c707a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/models/classification/knn.rs:91:22
[INFO] [stdout]   22:     0x5ae496c9db86 - core::ops::function::FnOnce::call_once::h80569d88e14c977d
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5ae496ce939b - core::ops::function::FnOnce::call_once::hbd335dbb4bb5fce4
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5ae496ce939b - test::__rust_begin_short_backtrace::h04cc5e3b375a80f9
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/test/src/lib.rs:638:18
[INFO] [stdout]   25:     0x5ae496ce8455 - test::run_test_in_process::{{closure}}::h820e05c00a84ca94
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/test/src/lib.rs:661:60
[INFO] [stdout]   26:     0x5ae496ce8455 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h5d54c80bc199f62c
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x5ae496ce8455 - std::panicking::try::do_call::h832d61a9fc2b6e3e
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/panicking.rs:587:40
[INFO] [stdout]   28:     0x5ae496ce8455 - std::panicking::try::h9a404c5f3a090501
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/panicking.rs:550:19
[INFO] [stdout]   29:     0x5ae496ce8455 - std::panic::catch_unwind::hf5157d4c366d9053
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x5ae496ce8455 - test::run_test_in_process::h671deca6957ee157
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/test/src/lib.rs:661:27
[INFO] [stdout]   31:     0x5ae496ce8455 - test::run_test::{{closure}}::h8a18e214254d2663
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/test/src/lib.rs:582:43
[INFO] [stdout]   32:     0x5ae496cab444 - test::run_test::{{closure}}::ha2abac7cc0a13c10
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/test/src/lib.rs:612:41
[INFO] [stdout]   33:     0x5ae496cab444 - std::sys::backtrace::__rust_begin_short_backtrace::h013f8b8ca29e5f67
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   34:     0x5ae496caef7a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc0336636a8c55b05
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   35:     0x5ae496caef7a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h256d9472a72a8c66
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x5ae496caef7a - std::panicking::try::do_call::hf49ea3ffcc3bd1db
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/panicking.rs:587:40
[INFO] [stdout]   37:     0x5ae496caef7a - std::panicking::try::h2a067a3336161e1c
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/panicking.rs:550:19
[INFO] [stdout]   38:     0x5ae496caef7a - std::panic::catch_unwind::h931ea2a9df59b7fa
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5ae496caef7a - std::thread::Builder::spawn_unchecked_::{{closure}}::haf08f1439431615c
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   40:     0x5ae496caef7a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hd1dc5dd1edff0233
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x5ae496d1f46b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf6ad22f40418d409
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/alloc/src/boxed.rs:1970:9
[INFO] [stdout]   42:     0x5ae496d1f46b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h734c3e370b18da4b
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/alloc/src/boxed.rs:1970:9
[INFO] [stdout]   43:     0x5ae496d1f46b - std::sys::pal::unix::thread::Thread::new::thread_start::hfbde3a90511cd82d
[INFO] [stdout]                                at /rustc/a7ce54db9b096bd1098d07c645b489195a667c9f/library/std/src/sys/pal/unix/thread.rs:109:17
[INFO] [stdout]   44:     0x7b547255aac3 - <unknown>
[INFO] [stdout]   45:     0x7b54725eba04 - 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 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "7eb45b47de5ff0275b307bcdddea1f1720fad3967668658baa229b4db4262218", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7eb45b47de5ff0275b307bcdddea1f1720fad3967668658baa229b4db4262218", kill_on_drop: false }`
[INFO] [stdout] 7eb45b47de5ff0275b307bcdddea1f1720fad3967668658baa229b4db4262218