[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 }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucas-cauhe%2FLudo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 617b9225d9803a543bb914a51ecd657c88d80cd1
[INFO] testing lucas-cauhe/Ludo against beta-2025-09-21 for beta-1.91-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucas-cauhe%2FLudo" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lucas-cauhe/Ludo on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c45afedeb395b2f043245988cd4531c5008931e72312f6ccaca6654cc58064ba
[INFO] running `Command { std: "docker" "start" "-a" "c45afedeb395b2f043245988cd4531c5008931e72312f6ccaca6654cc58064ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c45afedeb395b2f043245988cd4531c5008931e72312f6ccaca6654cc58064ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c45afedeb395b2f043245988cd4531c5008931e72312f6ccaca6654cc58064ba", kill_on_drop: false }`
[INFO] [stdout] c45afedeb395b2f043245988cd4531c5008931e72312f6ccaca6654cc58064ba
[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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b8d7fb03771bff31a35618937f76dedf9b229ab4f20e1845dc090b8386818f0
[INFO] running `Command { std: "docker" "start" "-a" "7b8d7fb03771bff31a35618937f76dedf9b229ab4f20e1845dc090b8386818f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling bytemuck v1.8.0
[INFO] [stderr]    Compiling safe_arch v0.6.0
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling quote v1.0.16
[INFO] [stderr]    Compiling crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling protobuf v2.25.2
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling once_cell v1.10.0
[INFO] [stderr]    Compiling wide v0.7.4
[INFO] [stderr]    Compiling tinyvec v1.5.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling rust_tokenizers v7.0.1
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling unicode-normalization-alignments v0.1.12
[INFO] [stderr]    Compiling simba v0.7.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.2
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling nalgebra v0.30.1
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling rust-stemmers v1.2.0
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling Ludo v0.1.0 (/opt/rustwide/workdir)
[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 1m 17s
[INFO] running `Command { std: "docker" "inspect" "7b8d7fb03771bff31a35618937f76dedf9b229ab4f20e1845dc090b8386818f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b8d7fb03771bff31a35618937f76dedf9b229ab4f20e1845dc090b8386818f0", kill_on_drop: false }`
[INFO] [stdout] 7b8d7fb03771bff31a35618937f76dedf9b229ab4f20e1845dc090b8386818f0
[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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d232d1fafbab6270cbcf06923befc7bd3d8c5e65c4d9f826dab0aad925353b4a
[INFO] running `Command { std: "docker" "start" "-a" "d232d1fafbab6270cbcf06923befc7bd3d8c5e65c4d9f826dab0aad925353b4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling Ludo v0.1.0 (/opt/rustwide/workdir)
[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 `test` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "d232d1fafbab6270cbcf06923befc7bd3d8c5e65c4d9f826dab0aad925353b4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d232d1fafbab6270cbcf06923befc7bd3d8c5e65c4d9f826dab0aad925353b4a", kill_on_drop: false }`
[INFO] [stdout] d232d1fafbab6270cbcf06923befc7bd3d8c5e65c4d9f826dab0aad925353b4a
[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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ed0ad818901a43c8ae7a2af1856cd4a015bc90ca8465aea7032410013c06a595
[INFO] running `Command { std: "docker" "start" "-a" "ed0ad818901a43c8ae7a2af1856cd4a015bc90ca8465aea7032410013c06a595", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `ops::Mul`
[INFO] [stderr]  --> src/lr/main.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::{io, ops::Mul};
[INFO] [stderr]   |               ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Read`
[INFO] [stderr]   --> src/tokenization/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::io::Read;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]   --> src/tokenization/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::fs::File;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Value`
[INFO] [stderr]   --> src/tokenization/main.rs:14:19
[INFO] [stderr]    |
[INFO] [stderr] 14 | use serde_json::{ Value };
[INFO] [stderr]    |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]   --> src/tokenization/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::path::Path;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Algorithm` and `Stemmer`
[INFO] [stderr]   --> src/main.rs:16:21
[INFO] [stderr]    |
[INFO] [stderr] 16 | use rust_stemmers::{Algorithm, Stemmer};
[INFO] [stderr]    |                     ^^^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/lr/main.rs:114:68
[INFO] [stderr]     |
[INFO] [stderr] 114 |     fn derive_cost(&self, outputs: &Vec<i32>, pred: &DVector<f64>, i: &DVector<f64>) -> f64 {
[INFO] [stderr]     |                                                                    ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `dictionary_path` is never read
[INFO] [stderr]   --> src/lr/main.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub struct LogisticRegression<'a> {
[INFO] [stderr]    |            ------------------ field in this struct
[INFO] [stderr] 13 |     pub inputs: Vec<&'a str>,
[INFO] [stderr] 14 |     pub dictionary_path: String,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `tokenization` is never used
[INFO] [stderr]   --> src/tokenization/main.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub fn tokenization(input: &str) -> Result<Vec<i64>, io::Error> {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/lr/main.rs:21:24
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn input_model(&mut self, inputs: &Vec<&'a str>, dict_path: &str) -> Result<LogisticRegression, io::Error> {
[INFO] [stderr]    |                        ^^^^^^^^^ the lifetime is elided here                        ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn input_model(&mut self, inputs: &Vec<&'a str>, dict_path: &str) -> Result<LogisticRegression<'_>, io::Error> {
[INFO] [stderr]    |                                                                                                       ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/lr/main.rs:38:19
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn init_model(&self, inputs: &Vec<&'a str>, dict: &str, freq_arrays: &Vec<Vec<i64>>) -> LogisticRegression {
[INFO] [stderr]    |                   ^^^^^ the lifetime is elided here                                         ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn init_model(&self, inputs: &Vec<&'a str>, dict: &str, freq_arrays: &Vec<Vec<i64>>) -> LogisticRegression<'_> {
[INFO] [stderr]    |                                                                                                               ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `Ludo` (bin "Ludo" test) generated 11 warnings (run `cargo fix --bin "Ludo" --tests` to apply 8 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/Ludo-edc52a83c687a180)
[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" "ed0ad818901a43c8ae7a2af1856cd4a015bc90ca8465aea7032410013c06a595", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed0ad818901a43c8ae7a2af1856cd4a015bc90ca8465aea7032410013c06a595", kill_on_drop: false }`
[INFO] [stdout] ed0ad818901a43c8ae7a2af1856cd4a015bc90ca8465aea7032410013c06a595
