[INFO] cloning repository https://github.com/aaronsng/rusty-classifiers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aaronsng/rusty-classifiers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faaronsng%2Frusty-classifiers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faaronsng%2Frusty-classifiers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c89acf21f867f6c07ed8224f0554048ea2c6083e
[INFO] checking aaronsng/rusty-classifiers against master#2e6fc425411280c658d852813de01c5157255088 for pr-128013
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faaronsng%2Frusty-classifiers" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aaronsng/rusty-classifiers on toolchain 2e6fc425411280c658d852813de01c5157255088
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aaronsng/rusty-classifiers
[INFO] finished tweaking git repo https://github.com/aaronsng/rusty-classifiers
[INFO] tweaked toml for git repo https://github.com/aaronsng/rusty-classifiers written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/aaronsng/rusty-classifiers 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" "+2e6fc425411280c658d852813de01c5157255088" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded enum-primitive-derive v0.1.2
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking cfg-if v1.0.0
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[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling nom v5.1.3
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
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[INFO] [stderr]    Compiling num-traits v0.1.43
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[INFO] [stderr]     Checking rusty_classifiers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Slice`
[INFO] [stdout]  --> src/classifiers/bayes_rule.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ndarray::{self, Slice, Axis, s};
[INFO] [stdout]   |                     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ndarray::linalg`
[INFO] [stdout]  --> src/classifiers/bayes_rule.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ndarray::linalg;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::hash::Hash`
[INFO] [stdout]  --> src/classifiers/bayes_rule.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::hash::Hash;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Slice`
[INFO] [stdout]  --> src/classifiers/bayes_rule.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ndarray::{self, Slice, Axis, s};
[INFO] [stdout]   |                     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/classifiers/bayes_rule.rs:53:18
[INFO] [stdout]    |
[INFO] [stdout] 53 |         for i in (0..data_length) {
[INFO] [stdout]    |                  ^              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 53 -         for i in (0..data_length) {
[INFO] [stdout] 53 +         for i in 0..data_length {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ndarray::linalg`
[INFO] [stdout]  --> src/classifiers/bayes_rule.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ndarray::linalg;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::hash::Hash`
[INFO] [stdout]  --> src/classifiers/bayes_rule.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::hash::Hash;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/classifiers/bayes_rule.rs:53:18
[INFO] [stdout]    |
[INFO] [stdout] 53 |         for i in (0..data_length) {
[INFO] [stdout]    |                  ^              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 53 -         for i in (0..data_length) {
[INFO] [stdout] 53 +         for i in 0..data_length {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `val_data` and `val_label` are never read
[INFO] [stdout]   --> src/classifiers/bayes_rule.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub struct BayesClassifier {
[INFO] [stdout]    |            --------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 9  |     val_data: ndarray::Array2<f64>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 10 |     val_label: ndarray::Array1<f64>
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `calc_var` is never used
[INFO] [stdout]   --> src/classifiers/bayes_rule.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl BayesClassifier {
[INFO] [stdout]    | -------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 73 |     fn calc_var(&self, data: &ndarray::Array2<f64>) -> ndarray::Array1<f64> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `val_data` and `val_label` are never read
[INFO] [stdout]   --> src/classifiers/bayes_rule.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub struct BayesClassifier {
[INFO] [stdout]    |            --------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 9  |     val_data: ndarray::Array2<f64>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 10 |     val_label: ndarray::Array1<f64>
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `calc_var` is never used
[INFO] [stdout]   --> src/classifiers/bayes_rule.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl BayesClassifier {
[INFO] [stdout]    | -------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 73 |     fn calc_var(&self, data: &ndarray::Array2<f64>) -> ndarray::Array1<f64> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `trainMap` should have a snake case name
[INFO] [stdout]   --> src/classifiers/bayes_rule.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let trainMap = self.group_by_class(&self.train_data, &self.train_label);
[INFO] [stdout]    |             ^^^^^^^^ help: convert the identifier to snake case: `train_map`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `trainMap` should have a snake case name
[INFO] [stdout]   --> src/classifiers/bayes_rule.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let trainMap = self.group_by_class(&self.train_data, &self.train_label);
[INFO] [stdout]    |             ^^^^^^^^ help: convert the identifier to snake case: `train_map`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.97s
[INFO] running `Command { std: "docker" "inspect" "0a4d3460b02c28fc8c1f1ec6770d9d02a4bd463fc5dac34e601ed1949748f33a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a4d3460b02c28fc8c1f1ec6770d9d02a4bd463fc5dac34e601ed1949748f33a", kill_on_drop: false }`
[INFO] [stdout] 0a4d3460b02c28fc8c1f1ec6770d9d02a4bd463fc5dac34e601ed1949748f33a