[INFO] updating cached repository https://github.com/nilsmartel/ml-project
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4cfe05f0798f95ff379b1cc6ddb5fb32360cfbfc
[INFO] checking nilsmartel/ml-project against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilsmartel%2Fml-project" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nilsmartel/ml-project on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nilsmartel/ml-project
[INFO] finished tweaking git repo https://github.com/nilsmartel/ml-project
[INFO] tweaked toml for git repo https://github.com/nilsmartel/ml-project written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/nilsmartel/ml-project already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b17a4e2ae8a50b6c21c21211155d2dcc3770afe57d1900296267ed8ed1490469
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b17a4e2ae8a50b6c21c21211155d2dcc3770afe57d1900296267ed8ed1490469", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b17a4e2ae8a50b6c21c21211155d2dcc3770afe57d1900296267ed8ed1490469", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b17a4e2ae8a50b6c21c21211155d2dcc3770afe57d1900296267ed8ed1490469", kill_on_drop: false }`
[INFO] [stdout] b17a4e2ae8a50b6c21c21211155d2dcc3770afe57d1900296267ed8ed1490469
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e80159ed5015a35d080fdf146d1e8c492de70797c066f3bd5ece828c6ec7ce3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0e80159ed5015a35d080fdf146d1e8c492de70797c066f3bd5ece828c6ec7ce3", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling nom v6.0.0-alpha1
[INFO] [stderr]     Checking lexical-core v0.7.4
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking ml-color-classifier v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `get_label_id`
[INFO] [stdout]   --> src/data.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn get_label_id(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `amount_of_weights`
[INFO] [stdout]  --> src/nn/mod.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn amount_of_weights(l: &Layout) -> usize {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fromVector`
[INFO] [stdout]   --> src/nn/mod.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn fromVector(weights: &[Float], layers: Layout) -> NeuralNetwork {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `toVector`
[INFO] [stdout]   --> src/nn/mod.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn toVector(self) -> Vec<Float> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fromVector`
[INFO] [stdout]    --> src/nn/mod.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 |     fn fromVector(v: &[Float]) -> Neuron {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `toVector`
[INFO] [stdout]    --> src/nn/mod.rs:109:8
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn toVector(mut self) -> Vec<Float> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/util.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn new(source: &'a [T]) -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `derive`
[INFO] [stdout]   --> src/util.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn derive(f: impl Fn(Vec<Float>) -> Float) -> impl Fn(Vec<Float>) -> Vec<Float> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add_vec`
[INFO] [stdout]   --> src/util.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn add_vec(a: &[Float], b: &[Float]) -> Vec<Float> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `fromVector` should have a snake case name
[INFO] [stdout]   --> src/nn/mod.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn fromVector(weights: &[Float], layers: Layout) -> NeuralNetwork {
[INFO] [stdout]    |            ^^^^^^^^^^ help: convert the identifier to snake case: `from_vector`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `toVector` should have a snake case name
[INFO] [stdout]   --> src/nn/mod.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn toVector(self) -> Vec<Float> {
[INFO] [stdout]    |            ^^^^^^^^ help: convert the identifier to snake case: `to_vector`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `fromVector` should have a snake case name
[INFO] [stdout]    --> src/nn/mod.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 |     fn fromVector(v: &[Float]) -> Neuron {
[INFO] [stdout]     |        ^^^^^^^^^^ help: convert the identifier to snake case: `from_vector`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `toVector` should have a snake case name
[INFO] [stdout]    --> src/nn/mod.rs:109:8
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn toVector(mut self) -> Vec<Float> {
[INFO] [stdout]     |        ^^^^^^^^ help: convert the identifier to snake case: `to_vector`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_label_id`
[INFO] [stdout]   --> src/data.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn get_label_id(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `amount_of_weights`
[INFO] [stdout]  --> src/nn/mod.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn amount_of_weights(l: &Layout) -> usize {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fromVector`
[INFO] [stdout]   --> src/nn/mod.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn fromVector(weights: &[Float], layers: Layout) -> NeuralNetwork {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `toVector`
[INFO] [stdout]   --> src/nn/mod.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn toVector(self) -> Vec<Float> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/util.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn new(source: &'a [T]) -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `derive`
[INFO] [stdout]   --> src/util.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn derive(f: impl Fn(Vec<Float>) -> Float) -> impl Fn(Vec<Float>) -> Vec<Float> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add_vec`
[INFO] [stdout]   --> src/util.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn add_vec(a: &[Float], b: &[Float]) -> Vec<Float> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `fromVector` should have a snake case name
[INFO] [stdout]   --> src/nn/mod.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn fromVector(weights: &[Float], layers: Layout) -> NeuralNetwork {
[INFO] [stdout]    |            ^^^^^^^^^^ help: convert the identifier to snake case: `from_vector`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `toVector` should have a snake case name
[INFO] [stdout]   --> src/nn/mod.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn toVector(self) -> Vec<Float> {
[INFO] [stdout]    |            ^^^^^^^^ help: convert the identifier to snake case: `to_vector`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `fromVector` should have a snake case name
[INFO] [stdout]    --> src/nn/mod.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 |     fn fromVector(v: &[Float]) -> Neuron {
[INFO] [stdout]     |        ^^^^^^^^^^ help: convert the identifier to snake case: `from_vector`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `toVector` should have a snake case name
[INFO] [stdout]    --> src/nn/mod.rs:109:8
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn toVector(mut self) -> Vec<Float> {
[INFO] [stdout]     |        ^^^^^^^^ help: convert the identifier to snake case: `to_vector`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.44s
[INFO] running `Command { std: "docker" "inspect" "0e80159ed5015a35d080fdf146d1e8c492de70797c066f3bd5ece828c6ec7ce3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e80159ed5015a35d080fdf146d1e8c492de70797c066f3bd5ece828c6ec7ce3", kill_on_drop: false }`
[INFO] [stdout] 0e80159ed5015a35d080fdf146d1e8c492de70797c066f3bd5ece828c6ec7ce3