[INFO] cloning repository https://github.com/lucas-cauhe/Ludo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lucas-cauhe/Ludo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucas-cauhe%2FLudo", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 617b9225d9803a543bb914a51ecd657c88d80cd1
[INFO] checking lucas-cauhe/Ludo against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucas-cauhe%2FLudo" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lucas-cauhe/Ludo
[INFO] finished tweaking git repo https://github.com/lucas-cauhe/Ludo
[INFO] tweaked toml for git repo https://github.com/lucas-cauhe/Ludo written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lucas-cauhe/Ludo on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lucas-cauhe/Ludo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a779651ae35642b7002d471999e5bf25632e3abb77e4098d1e2d89f49313914
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[INFO] [stdout] 9d231a89335c03284e46b9a220fd9a331e21fc42fa26e39a0ada6b631002f0a1
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[INFO] [stdout] warning: unused import: `ops::Mul`
[INFO] [stdout]  --> src/lr/main.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{io, ops::Mul};
[INFO] [stdout]   |               ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]   --> src/tokenization/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::io::Read;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]   --> src/tokenization/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::fs::File;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Value`
[INFO] [stdout]   --> src/tokenization/main.rs:14:19
[INFO] [stdout]    |
[INFO] [stdout] 14 | use serde_json::{ Value };
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]   --> src/tokenization/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::path::Path;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Algorithm` and `Stemmer`
[INFO] [stdout]   --> src/main.rs:16:21
[INFO] [stdout]    |
[INFO] [stdout] 16 | use rust_stemmers::{Algorithm, Stemmer};
[INFO] [stdout]    |                     ^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/lr/main.rs:114:68
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fn derive_cost(&self, outputs: &Vec<i32>, pred: &DVector<f64>, i: &DVector<f64>) -> f64 {
[INFO] [stdout]     |                                                                    ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `dictionary_path` is never read
[INFO] [stdout]   --> src/lr/main.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct LogisticRegression<'a> {
[INFO] [stdout]    |            ------------------ field in this struct
[INFO] [stdout] 13 |     pub inputs: Vec<&'a str>,
[INFO] [stdout] 14 |     pub dictionary_path: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tokenization` is never used
[INFO] [stdout]   --> src/tokenization/main.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn tokenization(input: &str) -> Result<Vec<i64>, io::Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lr/main.rs:21:24
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn input_model(&mut self, inputs: &Vec<&'a str>, dict_path: &str) -> Result<LogisticRegression, io::Error> {
[INFO] [stdout]    |                        ^^^^^^^^^ the lifetime is elided here                        ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn input_model(&mut self, inputs: &Vec<&'a str>, dict_path: &str) -> Result<LogisticRegression<'_>, io::Error> {
[INFO] [stdout]    |                                                                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lr/main.rs:38:19
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn init_model(&self, inputs: &Vec<&'a str>, dict: &str, freq_arrays: &Vec<Vec<i64>>) -> LogisticRegression {
[INFO] [stdout]    |                   ^^^^^ the lifetime is elided here                                         ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn init_model(&self, inputs: &Vec<&'a str>, dict: &str, freq_arrays: &Vec<Vec<i64>>) -> LogisticRegression<'_> {
[INFO] [stdout]    |                                                                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ops::Mul`
[INFO] [stdout]  --> src/lr/main.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{io, ops::Mul};
[INFO] [stdout]   |               ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]   --> src/tokenization/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::io::Read;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]   --> src/tokenization/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::fs::File;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Value`
[INFO] [stdout]   --> src/tokenization/main.rs:14:19
[INFO] [stdout]    |
[INFO] [stdout] 14 | use serde_json::{ Value };
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]   --> src/tokenization/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::path::Path;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Algorithm` and `Stemmer`
[INFO] [stdout]   --> src/main.rs:16:21
[INFO] [stdout]    |
[INFO] [stdout] 16 | use rust_stemmers::{Algorithm, Stemmer};
[INFO] [stdout]    |                     ^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/lr/main.rs:114:68
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fn derive_cost(&self, outputs: &Vec<i32>, pred: &DVector<f64>, i: &DVector<f64>) -> f64 {
[INFO] [stdout]     |                                                                    ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `dictionary_path` is never read
[INFO] [stdout]   --> src/lr/main.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct LogisticRegression<'a> {
[INFO] [stdout]    |            ------------------ field in this struct
[INFO] [stdout] 13 |     pub inputs: Vec<&'a str>,
[INFO] [stdout] 14 |     pub dictionary_path: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tokenization` is never used
[INFO] [stdout]   --> src/tokenization/main.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn tokenization(input: &str) -> Result<Vec<i64>, io::Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lr/main.rs:21:24
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn input_model(&mut self, inputs: &Vec<&'a str>, dict_path: &str) -> Result<LogisticRegression, io::Error> {
[INFO] [stdout]    |                        ^^^^^^^^^ the lifetime is elided here                        ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn input_model(&mut self, inputs: &Vec<&'a str>, dict_path: &str) -> Result<LogisticRegression<'_>, io::Error> {
[INFO] [stdout]    |                                                                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lr/main.rs:38:19
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn init_model(&self, inputs: &Vec<&'a str>, dict: &str, freq_arrays: &Vec<Vec<i64>>) -> LogisticRegression {
[INFO] [stdout]    |                   ^^^^^ the lifetime is elided here                                         ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn init_model(&self, inputs: &Vec<&'a str>, dict: &str, freq_arrays: &Vec<Vec<i64>>) -> LogisticRegression<'_> {
[INFO] [stdout]    |                                                                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 43.54s
[INFO] running `Command { std: "docker" "inspect" "9d231a89335c03284e46b9a220fd9a331e21fc42fa26e39a0ada6b631002f0a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d231a89335c03284e46b9a220fd9a331e21fc42fa26e39a0ada6b631002f0a1", kill_on_drop: false }`
[INFO] [stdout] 9d231a89335c03284e46b9a220fd9a331e21fc42fa26e39a0ada6b631002f0a1
