[INFO] cloning repository https://github.com/LelouBil/RustPerceptron
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LelouBil/RustPerceptron" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLelouBil%2FRustPerceptron", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLelouBil%2FRustPerceptron'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 45d448240e66ba40bcee89fc31ea4daee0c0cbfb
[INFO] testing LelouBil/RustPerceptron against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLelouBil%2FRustPerceptron" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LelouBil/RustPerceptron on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LelouBil/RustPerceptron
[INFO] finished tweaking git repo https://github.com/LelouBil/RustPerceptron
[INFO] tweaked toml for git repo https://github.com/LelouBil/RustPerceptron written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/LelouBil/RustPerceptron already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 78b4b99e9a1a3b61da3ffca9e6cc97c41bbee34f77730ab94c41e0d39afbee88
[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" "78b4b99e9a1a3b61da3ffca9e6cc97c41bbee34f77730ab94c41e0d39afbee88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78b4b99e9a1a3b61da3ffca9e6cc97c41bbee34f77730ab94c41e0d39afbee88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78b4b99e9a1a3b61da3ffca9e6cc97c41bbee34f77730ab94c41e0d39afbee88", kill_on_drop: false }`
[INFO] [stdout] 78b4b99e9a1a3b61da3ffca9e6cc97c41bbee34f77730ab94c41e0d39afbee88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d0607f215a7238b68da7eb9d9d06d63bdddfedc510a9122a0ec2991b16d4d10e
[INFO] running `Command { std: "docker" "start" "-a" "d0607f215a7238b68da7eb9d9d06d63bdddfedc510a9122a0ec2991b16d4d10e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.118
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling bytemuck v1.7.3
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling anyhow v1.0.53
[INFO] [stderr]    Compiling ttf-parser v0.12.3
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling cmake v0.1.48
[INFO] [stderr]    Compiling servo-fontconfig-sys v5.1.0
[INFO] [stderr]    Compiling gif v0.11.3
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling matrixmultiply v0.3.2
[INFO] [stderr]    Compiling freetype-sys v0.13.1
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling ndarray v0.15.4
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling pathfinder_simd v0.5.1
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling freetype v0.7.0
[INFO] [stderr]    Compiling servo-fontconfig v0.5.1
[INFO] [stderr]    Compiling pathfinder_geometry v0.5.1
[INFO] [stderr]    Compiling font-kit v0.10.1
[INFO] [stderr]    Compiling plotters-bitmap v0.3.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling Perceptron v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Array2`
[INFO] [stdout]  --> src/record.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ndarray::{Array1, Array2};
[INFO] [stdout]   |                       ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/data_loading.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Display`, `Formatter`
[INFO] [stdout]  --> src/data_loading.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::{Display, Formatter};
[INFO] [stdout]   |                ^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::read`
[INFO] [stdout]  --> src/data_loading.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fs::read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `csv::ErrorKind`
[INFO] [stdout]  --> src/data_loading.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use csv::ErrorKind;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Chunk`, `Itertools`
[INFO] [stdout]  --> src/data_loading.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use itertools::{Chunk, Itertools};
[INFO] [stdout]   |                 ^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::IntoChunks`
[INFO] [stdout]  --> src/data_loading.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use itertools::IntoChunks;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::record`
[INFO] [stdout]  --> src/data_loading.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::record;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PerceptronLabel`
[INFO] [stdout]  --> src/data_loading.rs:8:40
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::record::{PerceptronDataset, PerceptronLabel, PerceptronRecord};
[INFO] [stdout]   |                                        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Map`
[INFO] [stdout]  --> src/data_loading.rs:9:31
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::iter::{IntoIterator, Map};
[INFO] [stdout]   |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::num::ParseFloatError`
[INFO] [stdout]   --> src/data_loading.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::num::ParseFloatError;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]   --> src/data_loading.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::str::FromStr;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thiserror::Error`
[INFO] [stdout]   --> src/data_loading.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use thiserror::Error;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Add`, `Deref`, `Mul`
[INFO] [stdout]  --> src/train_perceptron.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::{Add, Deref, Mul};
[INFO] [stdout]   |                ^^^  ^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ArrayBase`, `ArrayView1`, `Dim`, `Ix2`, `Ix`, `OwnedRepr`, `Shape`, `StrideShape`
[INFO] [stdout]  --> src/train_perceptron.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | ...ay2, ArrayBase, ArrayView1, ArrayView2, Axis, concatenate, Dim, Ix, Ix2, OwnedRepr, Shape, ShapeBuilder, ShapeError, StrideShape};
[INFO] [stdout]   |         ^^^^^^^^^  ^^^^^^^^^^                                 ^^^  ^^  ^^^  ^^^^^^^^^  ^^^^^                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ndarray::Array2`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use ndarray::Array2;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/train_perceptron.rs:22:22
[INFO] [stdout]    |
[INFO] [stdout] 22 |             .find(|((i,j),elem) : &((usize,usize),&f64)| elem < &&0.0);
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/train_perceptron.rs:22:24
[INFO] [stdout]    |
[INFO] [stdout] 22 |             .find(|((i,j),elem) : &((usize,usize),&f64)| elem < &&0.0);
[INFO] [stdout]    |                        ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/train_perceptron.rs:24:26
[INFO] [stdout]    |
[INFO] [stdout] 24 |         if let Some(((i, j), value)) = pabien {
[INFO] [stdout]    |                          ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/train_perceptron.rs:24:30
[INFO] [stdout]    |
[INFO] [stdout] 24 |         if let Some(((i, j), value)) = pabien {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Perceptron` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `perceptron`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]  --> src/train_perceptron.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let (X, Y) = to_matrix(dataset).map(|(x, y)| (x.mapv(|e| *e), y.mapv(|e| e as f64)))?;
[INFO] [stdout]   |          ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]  --> src/train_perceptron.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let (X, Y) = to_matrix(dataset).map(|(x, y)| (x.mapv(|e| *e), y.mapv(|e| e as f64)))?;
[INFO] [stdout]   |             ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 19s
[INFO] running `Command { std: "docker" "inspect" "d0607f215a7238b68da7eb9d9d06d63bdddfedc510a9122a0ec2991b16d4d10e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0607f215a7238b68da7eb9d9d06d63bdddfedc510a9122a0ec2991b16d4d10e", kill_on_drop: false }`
[INFO] [stdout] d0607f215a7238b68da7eb9d9d06d63bdddfedc510a9122a0ec2991b16d4d10e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1a248e04b6dbcb024d3c8ffb8fb757a1d77c382eb03aad296e2236abe62deaa2
[INFO] running `Command { std: "docker" "start" "-a" "1a248e04b6dbcb024d3c8ffb8fb757a1d77c382eb03aad296e2236abe62deaa2", kill_on_drop: false }`
[INFO] [stderr]    Compiling Perceptron v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Array2`
[INFO] [stdout]  --> src/record.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ndarray::{Array1, Array2};
[INFO] [stdout]   |                       ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/data_loading.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Display`, `Formatter`
[INFO] [stdout]  --> src/data_loading.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::{Display, Formatter};
[INFO] [stdout]   |                ^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::read`
[INFO] [stdout]  --> src/data_loading.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fs::read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `csv::ErrorKind`
[INFO] [stdout]  --> src/data_loading.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use csv::ErrorKind;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Chunk`, `Itertools`
[INFO] [stdout]  --> src/data_loading.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use itertools::{Chunk, Itertools};
[INFO] [stdout]   |                 ^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::IntoChunks`
[INFO] [stdout]  --> src/data_loading.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use itertools::IntoChunks;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::record`
[INFO] [stdout]  --> src/data_loading.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::record;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PerceptronLabel`
[INFO] [stdout]  --> src/data_loading.rs:8:40
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::record::{PerceptronDataset, PerceptronLabel, PerceptronRecord};
[INFO] [stdout]   |                                        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Map`
[INFO] [stdout]  --> src/data_loading.rs:9:31
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::iter::{IntoIterator, Map};
[INFO] [stdout]   |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::num::ParseFloatError`
[INFO] [stdout]   --> src/data_loading.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::num::ParseFloatError;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]   --> src/data_loading.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::str::FromStr;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thiserror::Error`
[INFO] [stdout]   --> src/data_loading.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use thiserror::Error;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Add`, `Deref`, `Mul`
[INFO] [stdout]  --> src/train_perceptron.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::{Add, Deref, Mul};
[INFO] [stdout]   |                ^^^  ^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ArrayBase`, `ArrayView1`, `Dim`, `Ix2`, `Ix`, `OwnedRepr`, `Shape`, `StrideShape`
[INFO] [stdout]  --> src/train_perceptron.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | ...ay2, ArrayBase, ArrayView1, ArrayView2, Axis, concatenate, Dim, Ix, Ix2, OwnedRepr, Shape, ShapeBuilder, ShapeError, StrideShape};
[INFO] [stdout]   |         ^^^^^^^^^  ^^^^^^^^^^                                 ^^^  ^^  ^^^  ^^^^^^^^^  ^^^^^                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ndarray::Array2`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use ndarray::Array2;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/train_perceptron.rs:22:22
[INFO] [stdout]    |
[INFO] [stdout] 22 |             .find(|((i,j),elem) : &((usize,usize),&f64)| elem < &&0.0);
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/train_perceptron.rs:22:24
[INFO] [stdout]    |
[INFO] [stdout] 22 |             .find(|((i,j),elem) : &((usize,usize),&f64)| elem < &&0.0);
[INFO] [stdout]    |                        ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/train_perceptron.rs:24:26
[INFO] [stdout]    |
[INFO] [stdout] 24 |         if let Some(((i, j), value)) = pabien {
[INFO] [stdout]    |                          ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/train_perceptron.rs:24:30
[INFO] [stdout]    |
[INFO] [stdout] 24 |         if let Some(((i, j), value)) = pabien {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Perceptron` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `perceptron`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]  --> src/train_perceptron.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let (X, Y) = to_matrix(dataset).map(|(x, y)| (x.mapv(|e| *e), y.mapv(|e| e as f64)))?;
[INFO] [stdout]   |          ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]  --> src/train_perceptron.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let (X, Y) = to_matrix(dataset).map(|(x, y)| (x.mapv(|e| *e), y.mapv(|e| e as f64)))?;
[INFO] [stdout]   |             ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "1a248e04b6dbcb024d3c8ffb8fb757a1d77c382eb03aad296e2236abe62deaa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a248e04b6dbcb024d3c8ffb8fb757a1d77c382eb03aad296e2236abe62deaa2", kill_on_drop: false }`
[INFO] [stdout] 1a248e04b6dbcb024d3c8ffb8fb757a1d77c382eb03aad296e2236abe62deaa2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e8b597b649bbffd2d39f7a4f2305628e4f4514c7d91a27add81427eca365655f
[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" "e8b597b649bbffd2d39f7a4f2305628e4f4514c7d91a27add81427eca365655f", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Array2`
[INFO] [stderr]  --> src/record.rs:1:23
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ndarray::{Array1, Array2};
[INFO] [stderr]   |                       ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/data_loading.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Display`, `Formatter`
[INFO] [stderr]  --> src/data_loading.rs:2:16
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fmt::{Display, Formatter};
[INFO] [stderr]   |                ^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::read`
[INFO] [stderr]  --> src/data_loading.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::fs::read;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `csv::ErrorKind`
[INFO] [stderr]  --> src/data_loading.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use csv::ErrorKind;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Chunk`, `Itertools`
[INFO] [stderr]  --> src/data_loading.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 | use itertools::{Chunk, Itertools};
[INFO] [stderr]   |                 ^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `itertools::IntoChunks`
[INFO] [stderr]  --> src/data_loading.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use itertools::IntoChunks;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::record`
[INFO] [stderr]  --> src/data_loading.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use crate::record;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `PerceptronLabel`
[INFO] [stderr]  --> src/data_loading.rs:8:40
[INFO] [stderr]   |
[INFO] [stderr] 8 | use crate::record::{PerceptronDataset, PerceptronLabel, PerceptronRecord};
[INFO] [stderr]   |                                        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Map`
[INFO] [stderr]  --> src/data_loading.rs:9:31
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::iter::{IntoIterator, Map};
[INFO] [stderr]   |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::num::ParseFloatError`
[INFO] [stderr]   --> src/data_loading.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::num::ParseFloatError;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str::FromStr`
[INFO] [stderr]   --> src/data_loading.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::str::FromStr;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `thiserror::Error`
[INFO] [stderr]   --> src/data_loading.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use thiserror::Error;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Add`, `Deref`, `Mul`
[INFO] [stderr]  --> src/train_perceptron.rs:1:16
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ops::{Add, Deref, Mul};
[INFO] [stderr]   |                ^^^  ^^^^^  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ArrayBase`, `ArrayView1`, `Dim`, `Ix2`, `Ix`, `OwnedRepr`, `Shape`, `StrideShape`
[INFO] [stderr]  --> src/train_perceptron.rs:3:23
[INFO] [stderr]   |
[INFO] [stderr] 3 | ...ay2, ArrayBase, ArrayView1, ArrayView2, Axis, concatenate, Dim, Ix, Ix2, OwnedRepr, Shape, ShapeBuilder, ShapeError, StrideShape};
[INFO] [stderr]   |         ^^^^^^^^^  ^^^^^^^^^^                                 ^^^  ^^  ^^^  ^^^^^^^^^  ^^^^^                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ndarray::Array2`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use ndarray::Array2;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/train_perceptron.rs:22:22
[INFO] [stderr]    |
[INFO] [stderr] 22 |             .find(|((i,j),elem) : &((usize,usize),&f64)| elem < &&0.0);
[INFO] [stderr]    |                      ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]   --> src/train_perceptron.rs:22:24
[INFO] [stderr]    |
[INFO] [stderr] 22 |             .find(|((i,j),elem) : &((usize,usize),&f64)| elem < &&0.0);
[INFO] [stderr]    |                        ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]   --> src/train_perceptron.rs:24:26
[INFO] [stderr]    |
[INFO] [stderr] 24 |         if let Some(((i, j), value)) = pabien {
[INFO] [stderr]    |                          ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> src/train_perceptron.rs:24:30
[INFO] [stderr]    |
[INFO] [stderr] 24 |         if let Some(((i, j), value)) = pabien {
[INFO] [stderr]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Perceptron` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `perceptron`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X` should have a snake case name
[INFO] [stderr]  --> src/train_perceptron.rs:9:10
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let (X, Y) = to_matrix(dataset).map(|(x, y)| (x.mapv(|e| *e), y.mapv(|e| e as f64)))?;
[INFO] [stderr]   |          ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Y` should have a snake case name
[INFO] [stderr]  --> src/train_perceptron.rs:9:13
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let (X, Y) = to_matrix(dataset).map(|(x, y)| (x.mapv(|e| *e), y.mapv(|e| e as f64)))?;
[INFO] [stderr]   |             ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stderr] 
[INFO] [stderr] warning: `Perceptron` (bin "Perceptron" test) generated 24 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/Perceptron-2b14445c0e137990)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e8b597b649bbffd2d39f7a4f2305628e4f4514c7d91a27add81427eca365655f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8b597b649bbffd2d39f7a4f2305628e4f4514c7d91a27add81427eca365655f", kill_on_drop: false }`
[INFO] [stdout] e8b597b649bbffd2d39f7a4f2305628e4f4514c7d91a27add81427eca365655f