Dec 17 20:29:04.643 INFO checking luchoman08/best_pair_assignment against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 20:29:04.643 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/luchoman08/best_pair_assignment:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 20:29:05.124 INFO [stdout] 22c69da09567b855de7179ad2e227ca8e4e0f1b52fb010b436cece22be6ae384
Dec 17 20:29:05.130 INFO running `"docker" "start" "-a" "22c69da09567b855de7179ad2e227ca8e4e0f1b52fb010b436cece22be6ae384"`
Dec 17 20:29:06.628 INFO [stderr]     Checking lp-modeler v0.3.1
Dec 17 20:29:07.448 INFO [stderr]     Checking pair_assignment v0.1.0 (/opt/crater/workdir)
Dec 17 20:29:07.824 INFO [stderr] warning: unused imports: `LpObjective`, `LpProblem`
Dec 17 20:29:07.824 INFO [stderr]  --> src/pair_assignment.rs:2:27
Dec 17 20:29:07.824 INFO [stderr]   |
Dec 17 20:29:07.824 INFO [stderr] 2 | use lp_modeler::problem::{LpObjective, LpProblem};
Dec 17 20:29:07.824 INFO [stderr]   |                           ^^^^^^^^^^^  ^^^^^^^^^
Dec 17 20:29:07.833 INFO [stderr]   |
Dec 17 20:29:07.833 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 20:29:07.833 INFO [stderr] 
Dec 17 20:29:07.833 INFO [stderr] warning: unused import: `LpOperations`
Dec 17 20:29:07.833 INFO [stderr]  --> src/pair_assignment.rs:3:30
Dec 17 20:29:07.833 INFO [stderr]   |
Dec 17 20:29:07.833 INFO [stderr] 3 | use lp_modeler::operations::{LpOperations};
Dec 17 20:29:07.833 INFO [stderr]   |                              ^^^^^^^^^^^^
Dec 17 20:29:07.833 INFO [stderr] 
Dec 17 20:29:07.833 INFO [stderr] warning: unused import: `lp_modeler::variables::LpInteger`
Dec 17 20:29:07.833 INFO [stderr]  --> src/pair_assignment.rs:4:5
Dec 17 20:29:07.833 INFO [stderr]   |
Dec 17 20:29:07.833 INFO [stderr] 4 | use lp_modeler::variables::LpInteger;
Dec 17 20:29:07.833 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:29:07.833 INFO [stderr] 
Dec 17 20:29:07.833 INFO [stderr] warning: unused imports: `CbcSolver`, `SolverTrait`
Dec 17 20:29:07.833 INFO [stderr]  --> src/pair_assignment.rs:5:27
Dec 17 20:29:07.833 INFO [stderr]   |
Dec 17 20:29:07.833 INFO [stderr] 5 | use lp_modeler::solvers::{SolverTrait, CbcSolver};
Dec 17 20:29:07.833 INFO [stderr]   |                           ^^^^^^^^^^^  ^^^^^^^^^
Dec 17 20:29:07.833 INFO [stderr] 
Dec 17 20:29:07.833 INFO [stderr] warning: unused imports: `max`, `min`
Dec 17 20:29:07.833 INFO [stderr]  --> src/pair_assignment.rs:8:16
Dec 17 20:29:07.833 INFO [stderr]   |
Dec 17 20:29:07.833 INFO [stderr] 8 | use std::cmp::{max, min};
Dec 17 20:29:07.833 INFO [stderr]   |                ^^^  ^^^
Dec 17 20:29:07.840 INFO [stderr] 
Dec 17 20:29:07.852 INFO [stderr] warning: unused imports: `LpObjective`, `LpProblem`
Dec 17 20:29:07.852 INFO [stderr]  --> src/pair_assignment.rs:2:27
Dec 17 20:29:07.852 INFO [stderr]   |
Dec 17 20:29:07.852 INFO [stderr] 2 | use lp_modeler::problem::{LpObjective, LpProblem};
Dec 17 20:29:07.852 INFO [stderr]   |                           ^^^^^^^^^^^  ^^^^^^^^^
Dec 17 20:29:07.864 INFO [stderr]   |
Dec 17 20:29:07.864 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 20:29:07.864 INFO [stderr] 
Dec 17 20:29:07.864 INFO [stderr] warning: unused import: `LpOperations`
Dec 17 20:29:07.864 INFO [stderr]  --> src/pair_assignment.rs:3:30
Dec 17 20:29:07.864 INFO [stderr]   |
Dec 17 20:29:07.864 INFO [stderr] 3 | use lp_modeler::operations::{LpOperations};
Dec 17 20:29:07.864 INFO [stderr]   |                              ^^^^^^^^^^^^
Dec 17 20:29:07.864 INFO [stderr] 
Dec 17 20:29:07.864 INFO [stderr] warning: unused import: `lp_modeler::variables::LpInteger`
Dec 17 20:29:07.864 INFO [stderr]  --> src/pair_assignment.rs:4:5
Dec 17 20:29:07.864 INFO [stderr]   |
Dec 17 20:29:07.864 INFO [stderr] 4 | use lp_modeler::variables::LpInteger;
Dec 17 20:29:07.864 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:29:07.864 INFO [stderr] 
Dec 17 20:29:07.864 INFO [stderr] warning: unused imports: `CbcSolver`, `SolverTrait`
Dec 17 20:29:07.864 INFO [stderr]  --> src/pair_assignment.rs:5:27
Dec 17 20:29:07.864 INFO [stderr]   |
Dec 17 20:29:07.864 INFO [stderr] 5 | use lp_modeler::solvers::{SolverTrait, CbcSolver};
Dec 17 20:29:07.865 INFO [stderr]   |                           ^^^^^^^^^^^  ^^^^^^^^^
Dec 17 20:29:07.865 INFO [stderr] 
Dec 17 20:29:07.865 INFO [stderr] warning: unused imports: `max`, `min`
Dec 17 20:29:07.865 INFO [stderr]  --> src/pair_assignment.rs:8:16
Dec 17 20:29:07.865 INFO [stderr]   |
Dec 17 20:29:07.865 INFO [stderr] 8 | use std::cmp::{max, min};
Dec 17 20:29:07.865 INFO [stderr]   |                ^^^  ^^^
Dec 17 20:29:07.865 INFO [stderr] 
Dec 17 20:29:07.921 INFO [stderr] warning: constant item is never used: `DEFAULT_SKILL_ID`
Dec 17 20:29:07.922 INFO [stderr]   --> src/pair_assignment.rs:10:1
Dec 17 20:29:07.922 INFO [stderr]    |
Dec 17 20:29:07.922 INFO [stderr] 10 | pub const DEFAULT_SKILL_ID: i8 = -1;
Dec 17 20:29:07.922 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:29:07.922 INFO [stderr]    |
Dec 17 20:29:07.922 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 20:29:07.922 INFO [stderr] 
Dec 17 20:29:07.922 INFO [stderr] warning: constant item is never used: `MINIMUM_SKILL_VALUE`
Dec 17 20:29:07.922 INFO [stderr]   --> src/pair_assignment.rs:11:1
Dec 17 20:29:07.922 INFO [stderr]    |
Dec 17 20:29:07.922 INFO [stderr] 11 | pub const MINIMUM_SKILL_VALUE: u8 = 1;
Dec 17 20:29:07.922 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:29:07.922 INFO [stderr] 
Dec 17 20:29:07.922 INFO [stderr] warning: field is never used: `id`
Dec 17 20:29:07.922 INFO [stderr]   --> src/pair_assignment.rs:13:5
Dec 17 20:29:07.922 INFO [stderr]    |
Dec 17 20:29:07.922 INFO [stderr] 13 |     id: u32,
Dec 17 20:29:07.922 INFO [stderr]    |     ^^^^^^^
Dec 17 20:29:07.922 INFO [stderr] 
Dec 17 20:29:07.922 INFO [stderr] warning: method is never used: `get_id`
Dec 17 20:29:07.922 INFO [stderr]   --> src/pair_assignment.rs:38:5
Dec 17 20:29:07.922 INFO [stderr]    |
Dec 17 20:29:07.922 INFO [stderr] 38 |     pub fn get_id(&self) -> u32 {
Dec 17 20:29:07.922 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:29:07.922 INFO [stderr] 
Dec 17 20:29:07.922 INFO [stderr] warning: method is never used: `get_little_skillfull_agent`
Dec 17 20:29:07.922 INFO [stderr]   --> src/pair_assignment.rs:72:5
Dec 17 20:29:07.922 INFO [stderr]    |
Dec 17 20:29:07.922 INFO [stderr] 72 |     pub fn get_little_skillfull_agent(sample_skills: &Skills) -> Agent {
Dec 17 20:29:07.923 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:29:07.923 INFO [stderr] 
Dec 17 20:29:07.978 INFO [stderr] warning: constant item is never used: `DEFAULT_SKILL_ID`
Dec 17 20:29:07.978 INFO [stderr]   --> src/pair_assignment.rs:10:1
Dec 17 20:29:07.978 INFO [stderr]    |
Dec 17 20:29:07.978 INFO [stderr] 10 | pub const DEFAULT_SKILL_ID: i8 = -1;
Dec 17 20:29:07.978 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:29:07.978 INFO [stderr]    |
Dec 17 20:29:07.978 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 20:29:07.978 INFO [stderr] 
Dec 17 20:29:07.978 INFO [stderr] warning: constant item is never used: `MINIMUM_SKILL_VALUE`
Dec 17 20:29:07.978 INFO [stderr]   --> src/pair_assignment.rs:11:1
Dec 17 20:29:07.978 INFO [stderr]    |
Dec 17 20:29:07.978 INFO [stderr] 11 | pub const MINIMUM_SKILL_VALUE: u8 = 1;
Dec 17 20:29:07.978 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:29:07.978 INFO [stderr] 
Dec 17 20:29:07.978 INFO [stderr] warning: field is never used: `id`
Dec 17 20:29:07.978 INFO [stderr]   --> src/pair_assignment.rs:13:5
Dec 17 20:29:07.978 INFO [stderr]    |
Dec 17 20:29:07.978 INFO [stderr] 13 |     id: u32,
Dec 17 20:29:07.978 INFO [stderr]    |     ^^^^^^^
Dec 17 20:29:07.978 INFO [stderr] 
Dec 17 20:29:07.978 INFO [stderr] warning: method is never used: `get_id`
Dec 17 20:29:07.978 INFO [stderr]   --> src/pair_assignment.rs:38:5
Dec 17 20:29:07.978 INFO [stderr]    |
Dec 17 20:29:07.978 INFO [stderr] 38 |     pub fn get_id(&self) -> u32 {
Dec 17 20:29:07.978 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:29:07.978 INFO [stderr] 
Dec 17 20:29:07.978 INFO [stderr] warning: method is never used: `get_little_skillfull_agent`
Dec 17 20:29:07.978 INFO [stderr]   --> src/pair_assignment.rs:72:5
Dec 17 20:29:07.978 INFO [stderr]    |
Dec 17 20:29:07.978 INFO [stderr] 72 |     pub fn get_little_skillfull_agent(sample_skills: &Skills) -> Agent {
Dec 17 20:29:07.978 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:29:07.978 INFO [stderr] 
Dec 17 20:29:08.032 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
Dec 17 20:29:09.447 INFO running `"docker" "inspect" "22c69da09567b855de7179ad2e227ca8e4e0f1b52fb010b436cece22be6ae384"`
Dec 17 20:29:09.808 INFO running `"docker" "rm" "-f" "22c69da09567b855de7179ad2e227ca8e4e0f1b52fb010b436cece22be6ae384"`
Dec 17 20:29:10.105 INFO [stdout] 22c69da09567b855de7179ad2e227ca8e4e0f1b52fb010b436cece22be6ae384