[INFO] cloning repository https://github.com/luchoman08/best_pair_assignment
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luchoman08/best_pair_assignment" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluchoman08%2Fbest_pair_assignment", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluchoman08%2Fbest_pair_assignment'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ed4d25b0f6a0707af53fca865dba779ab785c684
[INFO] testing luchoman08/best_pair_assignment against 1.97.0-beta.6 for beta-1.98-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluchoman08%2Fbest_pair_assignment" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/luchoman08/best_pair_assignment
[INFO] finished tweaking git repo https://github.com/luchoman08/best_pair_assignment
[INFO] tweaked toml for git repo https://github.com/luchoman08/best_pair_assignment written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/luchoman08/best_pair_assignment on toolchain 1.97.0-beta.6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/luchoman08/best_pair_assignment 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" "+1.97.0-beta.6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lp-modeler v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 194855453fd0ba5edb24f6a00692f85e9c9b6a0d6f0136ad6c04f4ed3f385891
[INFO] running `Command { std: "docker" "start" "194855453fd0ba5edb24f6a00692f85e9c9b6a0d6f0136ad6c04f4ed3f385891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "194855453fd0ba5edb24f6a00692f85e9c9b6a0d6f0136ad6c04f4ed3f385891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "194855453fd0ba5edb24f6a00692f85e9c9b6a0d6f0136ad6c04f4ed3f385891" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "194855453fd0ba5edb24f6a00692f85e9c9b6a0d6f0136ad6c04f4ed3f385891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "194855453fd0ba5edb24f6a00692f85e9c9b6a0d6f0136ad6c04f4ed3f385891" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling lp-modeler v0.3.1
[INFO] [stderr]    Compiling pair_assignment v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `LpObjective` and `LpProblem`
[INFO] [stdout]  --> src/pair_assignment.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use lp_modeler::problem::{LpObjective, LpProblem};
[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: `LpOperations`
[INFO] [stdout]  --> src/pair_assignment.rs:3:30
[INFO] [stdout]   |
[INFO] [stdout] 3 | use lp_modeler::operations::{LpOperations};
[INFO] [stdout]   |                              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lp_modeler::variables::LpInteger`
[INFO] [stdout]  --> src/pair_assignment.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use lp_modeler::variables::LpInteger;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CbcSolver` and `SolverTrait`
[INFO] [stdout]  --> src/pair_assignment.rs:5:27
[INFO] [stdout]   |
[INFO] [stdout] 5 | use lp_modeler::solvers::{SolverTrait, CbcSolver};
[INFO] [stdout]   |                           ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `max` and `min`
[INFO] [stdout]  --> src/pair_assignment.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::cmp::{max, min};
[INFO] [stdout]   |                ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DEFAULT_SKILL_ID` is never used
[INFO] [stdout]   --> src/pair_assignment.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub const DEFAULT_SKILL_ID: i8 = -1;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MINIMUM_SKILL_VALUE` is never used
[INFO] [stdout]   --> src/pair_assignment.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub const MINIMUM_SKILL_VALUE: u8 = 1;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/pair_assignment.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Agent {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 13 |     id: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Average` is never used
[INFO] [stdout]   --> src/pair_assignment.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | trait Average {
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `get_id` and `get_little_skillfull_agent` are never used
[INFO] [stdout]   --> src/pair_assignment.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl Agent {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 38 |     pub fn get_id(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     pub fn get_little_skillfull_agent(sample_skills: &Skills) -> Agent {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "194855453fd0ba5edb24f6a00692f85e9c9b6a0d6f0136ad6c04f4ed3f385891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "194855453fd0ba5edb24f6a00692f85e9c9b6a0d6f0136ad6c04f4ed3f385891" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling pair_assignment v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `LpObjective` and `LpProblem`
[INFO] [stdout]  --> src/pair_assignment.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use lp_modeler::problem::{LpObjective, LpProblem};
[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: `LpOperations`
[INFO] [stdout]  --> src/pair_assignment.rs:3:30
[INFO] [stdout]   |
[INFO] [stdout] 3 | use lp_modeler::operations::{LpOperations};
[INFO] [stdout]   |                              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lp_modeler::variables::LpInteger`
[INFO] [stdout]  --> src/pair_assignment.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use lp_modeler::variables::LpInteger;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CbcSolver` and `SolverTrait`
[INFO] [stdout]  --> src/pair_assignment.rs:5:27
[INFO] [stdout]   |
[INFO] [stdout] 5 | use lp_modeler::solvers::{SolverTrait, CbcSolver};
[INFO] [stdout]   |                           ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `max` and `min`
[INFO] [stdout]  --> src/pair_assignment.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::cmp::{max, min};
[INFO] [stdout]   |                ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DEFAULT_SKILL_ID` is never used
[INFO] [stdout]   --> src/pair_assignment.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub const DEFAULT_SKILL_ID: i8 = -1;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MINIMUM_SKILL_VALUE` is never used
[INFO] [stdout]   --> src/pair_assignment.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub const MINIMUM_SKILL_VALUE: u8 = 1;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/pair_assignment.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Agent {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 13 |     id: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Average` is never used
[INFO] [stdout]   --> src/pair_assignment.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | trait Average {
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `get_id` and `get_little_skillfull_agent` are never used
[INFO] [stdout]   --> src/pair_assignment.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl Agent {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 38 |     pub fn get_id(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     pub fn get_little_skillfull_agent(sample_skills: &Skills) -> Agent {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "194855453fd0ba5edb24f6a00692f85e9c9b6a0d6f0136ad6c04f4ed3f385891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "194855453fd0ba5edb24f6a00692f85e9c9b6a0d6f0136ad6c04f4ed3f385891" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: unused imports: `LpObjective` and `LpProblem`
[INFO] [stderr]  --> src/pair_assignment.rs:2:27
[INFO] [stderr]   |
[INFO] [stderr] 2 | use lp_modeler::problem::{LpObjective, LpProblem};
[INFO] [stderr]   |                           ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `LpOperations`
[INFO] [stderr]  --> src/pair_assignment.rs:3:30
[INFO] [stderr]   |
[INFO] [stderr] 3 | use lp_modeler::operations::{LpOperations};
[INFO] [stderr]   |                              ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `lp_modeler::variables::LpInteger`
[INFO] [stderr]  --> src/pair_assignment.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use lp_modeler::variables::LpInteger;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `CbcSolver` and `SolverTrait`
[INFO] [stderr]  --> src/pair_assignment.rs:5:27
[INFO] [stderr]   |
[INFO] [stderr] 5 | use lp_modeler::solvers::{SolverTrait, CbcSolver};
[INFO] [stderr]   |                           ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `max` and `min`
[INFO] [stderr]  --> src/pair_assignment.rs:8:16
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::cmp::{max, min};
[INFO] [stderr]   |                ^^^  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `DEFAULT_SKILL_ID` is never used
[INFO] [stderr]   --> src/pair_assignment.rs:10:11
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub const DEFAULT_SKILL_ID: i8 = -1;
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `MINIMUM_SKILL_VALUE` is never used
[INFO] [stderr]   --> src/pair_assignment.rs:11:11
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub const MINIMUM_SKILL_VALUE: u8 = 1;
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `id` is never read
[INFO] [stderr]   --> src/pair_assignment.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub struct Agent {
[INFO] [stderr]    |            ----- field in this struct
[INFO] [stderr] 13 |     id: u32,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Average` is never used
[INFO] [stderr]   --> src/pair_assignment.rs:21:7
[INFO] [stderr]    |
[INFO] [stderr] 21 | trait Average {
[INFO] [stderr]    |       ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `get_id` and `get_little_skillfull_agent` are never used
[INFO] [stderr]   --> src/pair_assignment.rs:38:12
[INFO] [stderr]    |
[INFO] [stderr] 37 | impl Agent {
[INFO] [stderr]    | ---------- associated items in this implementation
[INFO] [stderr] 38 |     pub fn get_id(&self) -> u32 {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 72 |     pub fn get_little_skillfull_agent(sample_skills: &Skills) -> Agent {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `pair_assignment` (bin "pair_assignment" test) generated 10 warnings (run `cargo fix --bin "pair_assignment" -p pair_assignment --tests` to apply 5 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/pair_assignment-ea9e2b217fc96721)
[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" "194855453fd0ba5edb24f6a00692f85e9c9b6a0d6f0136ad6c04f4ed3f385891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "194855453fd0ba5edb24f6a00692f85e9c9b6a0d6f0136ad6c04f4ed3f385891", kill_on_drop: false }`
[INFO] [stdout] 194855453fd0ba5edb24f6a00692f85e9c9b6a0d6f0136ad6c04f4ed3f385891
