Dec 01 15:13:44.210 INFO testing ikurek/PEA-Projekt3 against 1.30.1 for beta-1.31-5
Dec 01 15:13:44.210 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/beta-1.31-5/1.30.1:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1.30.1 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 15:13:44.689 INFO [stdout] 9b9bb47f06bea4429c70867ab3f236e8f72761484ab81b4286340dd241ff48be
Dec 01 15:13:44.691 INFO running `"docker" "start" "-a" "9b9bb47f06bea4429c70867ab3f236e8f72761484ab81b4286340dd241ff48be"`
Dec 01 15:13:47.195 INFO [stderr] usermod: no changes
Dec 01 15:13:47.290 INFO [stderr]    Compiling tsplib v0.1.0
Dec 01 15:13:47.299 INFO [stderr]    Compiling rand v0.3.19
Dec 01 15:13:51.071 INFO [stderr]    Compiling genetic v0.1.0 (/source)
Dec 01 15:13:51.775 INFO [stderr] warning: value assigned to `current_best_solution` is never read
Dec 01 15:13:51.775 INFO [stderr]   --> src/genetic_algorithm.rs:19:13
Dec 01 15:13:51.775 INFO [stderr]    |
Dec 01 15:13:51.775 INFO [stderr] 19 |     let mut current_best_solution: i32 = <i32>::max_value();
Dec 01 15:13:51.775 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^
Dec 01 15:13:51.775 INFO [stderr]    |
Dec 01 15:13:51.775 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 01 15:13:51.775 INFO [stderr] 
Dec 01 15:13:51.775 INFO [stderr] warning: value assigned to `parents_population` is never read
Dec 01 15:13:51.775 INFO [stderr]   --> src/genetic_algorithm.rs:35:13
Dec 01 15:13:51.775 INFO [stderr]    |
Dec 01 15:13:51.775 INFO [stderr] 35 |     let mut parents_population: Vec<Vec<i32>> = Vec::new();
Dec 01 15:13:51.775 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^
Dec 01 15:13:51.775 INFO [stderr] 
Dec 01 15:13:51.775 INFO [stderr] warning: unused variable: `iteration`
Dec 01 15:13:51.775 INFO [stderr]   --> src/genetic_algorithm.rs:43:9
Dec 01 15:13:51.775 INFO [stderr]    |
Dec 01 15:13:51.775 INFO [stderr] 43 |     for iteration in 0..iterations {
Dec 01 15:13:51.775 INFO [stderr]    |         ^^^^^^^^^ help: consider using `_iteration` instead
Dec 01 15:13:51.775 INFO [stderr]    |
Dec 01 15:13:51.775 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 01 15:13:51.775 INFO [stderr] 
Dec 01 15:13:51.775 INFO [stderr] warning: unused variable: `i`
Dec 01 15:13:51.775 INFO [stderr]   --> src/genetic_algorithm.rs:53:13
Dec 01 15:13:51.775 INFO [stderr]    |
Dec 01 15:13:51.775 INFO [stderr] 53 |         for i in 0..children_pairs_size {
Dec 01 15:13:51.775 INFO [stderr]    |             ^ help: consider using `_i` instead
Dec 01 15:13:51.775 INFO [stderr] 
Dec 01 15:13:51.775 INFO [stderr] warning: unused variable: `max_time_in_seconds`
Dec 01 15:13:51.775 INFO [stderr]   --> src/genetic_algorithm.rs:13:5
Dec 01 15:13:51.775 INFO [stderr]    |
Dec 01 15:13:51.775 INFO [stderr] 13 |     max_time_in_seconds: i32,
Dec 01 15:13:51.775 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^ help: consider using `_max_time_in_seconds` instead
Dec 01 15:13:51.775 INFO [stderr] 
Dec 01 15:13:51.775 INFO [stderr] warning: value assigned to `single_population_element` is never read
Dec 01 15:13:51.775 INFO [stderr]    --> src/genetic_algorithm.rs:100:13
Dec 01 15:13:51.775 INFO [stderr]     |
Dec 01 15:13:51.775 INFO [stderr] 100 |     let mut single_population_element: Vec<i32> = Vec::new();
Dec 01 15:13:51.775 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 15:13:51.775 INFO [stderr] 
Dec 01 15:13:51.775 INFO [stderr] warning: unused variable: `i`
Dec 01 15:13:51.775 INFO [stderr]    --> src/genetic_algorithm.rs:106:9
Dec 01 15:13:51.775 INFO [stderr]     |
Dec 01 15:13:51.775 INFO [stderr] 106 |     for i in 0..(population_size.clone()) {
Dec 01 15:13:51.775 INFO [stderr]     |         ^ help: consider using `_i` instead
Dec 01 15:13:51.775 INFO [stderr] 
Dec 01 15:13:51.775 INFO [stderr] warning: unused variable: `number_of_cities`
Dec 01 15:13:51.775 INFO [stderr]   --> src/genetic_algorithm.rs:88:5
Dec 01 15:13:51.775 INFO [stderr]    |
Dec 01 15:13:51.775 INFO [stderr] 88 |     number_of_cities: &i32,
Dec 01 15:13:51.775 INFO [stderr]    |     ^^^^^^^^^^^^^^^^ help: consider using `_number_of_cities` instead
Dec 01 15:13:51.775 INFO [stderr] 
Dec 01 15:13:51.776 INFO [stderr] warning: unused variable: `i`
Dec 01 15:13:51.776 INFO [stderr]    --> src/genetic_algorithm.rs:152:9
Dec 01 15:13:51.776 INFO [stderr]     |
Dec 01 15:13:51.776 INFO [stderr] 152 |     for i in 0..population_size {
Dec 01 15:13:51.776 INFO [stderr]     |         ^ help: consider using `_i` instead
Dec 01 15:13:51.776 INFO [stderr] 
Dec 01 15:13:51.776 INFO [stderr] warning: unused variable: `i`
Dec 01 15:13:51.776 INFO [stderr]    --> src/genetic_algorithm.rs:229:9
Dec 01 15:13:51.776 INFO [stderr]     |
Dec 01 15:13:51.776 INFO [stderr] 229 |     for i in 0..parents_population_size.clone() {
Dec 01 15:13:51.776 INFO [stderr]     |         ^ help: consider using `_i` instead
Dec 01 15:13:51.776 INFO [stderr] 
Dec 01 15:13:51.779 INFO [stderr] warning: variable does not need to be mutable
Dec 01 15:13:51.779 INFO [stderr]   --> src/main.rs:75:22
Dec 01 15:13:51.779 INFO [stderr]    |
Dec 01 15:13:51.779 INFO [stderr] 75 |     fn solve_genetic(mut matrix: &mut Vec<Vec<i32>>) {
Dec 01 15:13:51.779 INFO [stderr]    |                      ----^^^^^^
Dec 01 15:13:51.779 INFO [stderr]    |                      |
Dec 01 15:13:51.780 INFO [stderr]    |                      help: remove this `mut`
Dec 01 15:13:51.780 INFO [stderr]    |
Dec 01 15:13:51.780 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 01 15:13:51.780 INFO [stderr] 
Dec 01 15:13:51.807 INFO [stderr] warning: variable does not need to be mutable
Dec 01 15:13:51.807 INFO [stderr]   --> src/genetic_algorithm.rs:22:9
Dec 01 15:13:51.807 INFO [stderr]    |
Dec 01 15:13:51.807 INFO [stderr] 22 |     let mut number_of_cities: i32 = matrix.len() as i32;
Dec 01 15:13:51.807 INFO [stderr]    |         ----^^^^^^^^^^^^^^^^
Dec 01 15:13:51.807 INFO [stderr]    |         |
Dec 01 15:13:51.807 INFO [stderr]    |         help: remove this `mut`
Dec 01 15:13:51.807 INFO [stderr] 
Dec 01 15:13:51.807 INFO [stderr] warning: variable does not need to be mutable
Dec 01 15:13:51.807 INFO [stderr]   --> src/genetic_algorithm.rs:25:9
Dec 01 15:13:51.807 INFO [stderr]    |
Dec 01 15:13:51.807 INFO [stderr] 25 |     let mut nodes: Vec<i32> = (0..number_of_cities).collect();
Dec 01 15:13:51.807 INFO [stderr]    |         ----^^^^^
Dec 01 15:13:51.807 INFO [stderr]    |         |
Dec 01 15:13:51.807 INFO [stderr]    |         help: remove this `mut`
Dec 01 15:13:51.807 INFO [stderr] 
Dec 01 15:13:51.807 INFO [stderr] warning: variable does not need to be mutable
Dec 01 15:13:51.807 INFO [stderr]   --> src/genetic_algorithm.rs:34:9
Dec 01 15:13:51.807 INFO [stderr]    |
Dec 01 15:13:51.807 INFO [stderr] 34 |     let mut parents_population_size: i32 = population_size / 2;
Dec 01 15:13:51.807 INFO [stderr]    |         ----^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 15:13:51.807 INFO [stderr]    |         |
Dec 01 15:13:51.807 INFO [stderr]    |         help: remove this `mut`
Dec 01 15:13:51.807 INFO [stderr] 
Dec 01 15:13:51.823 INFO [stderr] warning: variable does not need to be mutable
Dec 01 15:13:51.823 INFO [stderr]    --> src/genetic_algorithm.rs:289:9
Dec 01 15:13:51.823 INFO [stderr]     |
Dec 01 15:13:51.823 INFO [stderr] 289 |     let mut path_value: i32 = permutation_value(&matrix, &permutation);
Dec 01 15:13:51.823 INFO [stderr]     |         ----^^^^^^^^^^
Dec 01 15:13:51.823 INFO [stderr]     |         |
Dec 01 15:13:51.823 INFO [stderr]     |         help: remove this `mut`
Dec 01 15:13:51.823 INFO [stderr] 
Dec 01 15:13:51.823 INFO [stderr] warning: variable does not need to be mutable
Dec 01 15:13:51.823 INFO [stderr]    --> src/genetic_algorithm.rs:291:9
Dec 01 15:13:51.823 INFO [stderr]     |
Dec 01 15:13:51.823 INFO [stderr] 291 |     let mut max_path_value: i32 = <i32>::max_value();
Dec 01 15:13:51.823 INFO [stderr]     |         ----^^^^^^^^^^^^^^
Dec 01 15:13:51.823 INFO [stderr]     |         |
Dec 01 15:13:51.823 INFO [stderr]     |         help: remove this `mut`
Dec 01 15:13:51.823 INFO [stderr] 
Dec 01 15:13:51.823 INFO [stderr] warning: variable does not need to be mutable
Dec 01 15:13:51.823 INFO [stderr]    --> src/genetic_algorithm.rs:308:9
Dec 01 15:13:51.823 INFO [stderr]     |
Dec 01 15:13:51.823 INFO [stderr] 308 |     let mut parents_pair: Vec<Vec<i32>> = generate_parents_pair(&parents_population);
Dec 01 15:13:51.823 INFO [stderr]     |         ----^^^^^^^^^^^^
Dec 01 15:13:51.823 INFO [stderr]     |         |
Dec 01 15:13:51.823 INFO [stderr]     |         help: remove this `mut`
Dec 01 15:13:51.823 INFO [stderr] 
Dec 01 15:13:51.823 INFO [stderr] warning: variable does not need to be mutable
Dec 01 15:13:51.823 INFO [stderr]    --> src/genetic_algorithm.rs:403:9
Dec 01 15:13:51.823 INFO [stderr]     |
Dec 01 15:13:51.823 INFO [stderr] 403 |     let mut saved_element: i32 = permutation[first_element_index];
Dec 01 15:13:51.823 INFO [stderr]     |         ----^^^^^^^^^^^^^
Dec 01 15:13:51.823 INFO [stderr]     |         |
Dec 01 15:13:51.823 INFO [stderr]     |         help: remove this `mut`
Dec 01 15:13:51.823 INFO [stderr] 
Dec 01 15:13:51.827 INFO [stderr] warning: function is never used: `print_tabu_list`
Dec 01 15:13:51.827 INFO [stderr]   --> src/print_utils.rs:10:1
Dec 01 15:13:51.827 INFO [stderr]    |
Dec 01 15:13:51.827 INFO [stderr] 10 | pub fn print_tabu_list(tabu_list: &Vec<Vec<i32>>) {
Dec 01 15:13:51.827 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 15:13:51.827 INFO [stderr]    |
Dec 01 15:13:51.827 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 01 15:13:51.827 INFO [stderr] 
Dec 01 15:13:51.827 INFO [stderr] warning: function is never used: `print_result`
Dec 01 15:13:51.827 INFO [stderr]   --> src/print_utils.rs:18:1
Dec 01 15:13:51.827 INFO [stderr]    |
Dec 01 15:13:51.827 INFO [stderr] 18 | pub fn print_result(result: i32, result_path: Vec<i32>, elapsed_time: i64) {
Dec 01 15:13:51.827 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 15:13:51.827 INFO [stderr] 
Dec 01 15:13:53.847 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.62s
Dec 01 15:13:53.848 INFO [stderr] su: No module specific data is present
Dec 01 15:13:54.787 INFO running `"docker" "inspect" "9b9bb47f06bea4429c70867ab3f236e8f72761484ab81b4286340dd241ff48be"`
Dec 01 15:13:55.161 INFO running `"docker" "rm" "-f" "9b9bb47f06bea4429c70867ab3f236e8f72761484ab81b4286340dd241ff48be"`
Dec 01 15:13:55.499 INFO [stdout] 9b9bb47f06bea4429c70867ab3f236e8f72761484ab81b4286340dd241ff48be
Dec 01 15:13:55.501 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/beta-1.31-5/1.30.1:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1.30.1 test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 15:13:55.972 INFO [stdout] 517f545a64ff5d0396b5f6bf22db5824490f513a351293b4db678437532ec1b8
Dec 01 15:13:55.974 INFO running `"docker" "start" "-a" "517f545a64ff5d0396b5f6bf22db5824490f513a351293b4db678437532ec1b8"`
Dec 01 15:13:57.962 INFO [stderr] usermod: no changes
Dec 01 15:13:58.088 INFO [stderr]    Compiling genetic v0.1.0 (/source)
Dec 01 15:13:58.767 INFO [stderr] warning: value assigned to `current_best_solution` is never read
Dec 01 15:13:58.767 INFO [stderr]   --> src/genetic_algorithm.rs:19:13
Dec 01 15:13:58.767 INFO [stderr]    |
Dec 01 15:13:58.767 INFO [stderr] 19 |     let mut current_best_solution: i32 = <i32>::max_value();
Dec 01 15:13:58.767 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^
Dec 01 15:13:58.767 INFO [stderr]    |
Dec 01 15:13:58.767 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 01 15:13:58.767 INFO [stderr] 
Dec 01 15:13:58.767 INFO [stderr] warning: value assigned to `parents_population` is never read
Dec 01 15:13:58.767 INFO [stderr]   --> src/genetic_algorithm.rs:35:13
Dec 01 15:13:58.767 INFO [stderr]    |
Dec 01 15:13:58.767 INFO [stderr] 35 |     let mut parents_population: Vec<Vec<i32>> = Vec::new();
Dec 01 15:13:58.767 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^
Dec 01 15:13:58.767 INFO [stderr] 
Dec 01 15:13:58.767 INFO [stderr] warning: unused variable: `iteration`
Dec 01 15:13:58.767 INFO [stderr]   --> src/genetic_algorithm.rs:43:9
Dec 01 15:13:58.767 INFO [stderr]    |
Dec 01 15:13:58.767 INFO [stderr] 43 |     for iteration in 0..iterations {
Dec 01 15:13:58.767 INFO [stderr]    |         ^^^^^^^^^ help: consider using `_iteration` instead
Dec 01 15:13:58.767 INFO [stderr]    |
Dec 01 15:13:58.768 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 01 15:13:58.768 INFO [stderr] 
Dec 01 15:13:58.768 INFO [stderr] warning: unused variable: `i`
Dec 01 15:13:58.768 INFO [stderr]   --> src/genetic_algorithm.rs:53:13
Dec 01 15:13:58.768 INFO [stderr]    |
Dec 01 15:13:58.768 INFO [stderr] 53 |         for i in 0..children_pairs_size {
Dec 01 15:13:58.768 INFO [stderr]    |             ^ help: consider using `_i` instead
Dec 01 15:13:58.768 INFO [stderr] 
Dec 01 15:13:58.768 INFO [stderr] warning: unused variable: `max_time_in_seconds`
Dec 01 15:13:58.768 INFO [stderr]   --> src/genetic_algorithm.rs:13:5
Dec 01 15:13:58.768 INFO [stderr]    |
Dec 01 15:13:58.768 INFO [stderr] 13 |     max_time_in_seconds: i32,
Dec 01 15:13:58.768 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^ help: consider using `_max_time_in_seconds` instead
Dec 01 15:13:58.768 INFO [stderr] 
Dec 01 15:13:58.768 INFO [stderr] warning: value assigned to `single_population_element` is never read
Dec 01 15:13:58.768 INFO [stderr]    --> src/genetic_algorithm.rs:100:13
Dec 01 15:13:58.768 INFO [stderr]     |
Dec 01 15:13:58.768 INFO [stderr] 100 |     let mut single_population_element: Vec<i32> = Vec::new();
Dec 01 15:13:58.768 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 15:13:58.768 INFO [stderr] 
Dec 01 15:13:58.768 INFO [stderr] warning: unused variable: `i`
Dec 01 15:13:58.768 INFO [stderr]    --> src/genetic_algorithm.rs:106:9
Dec 01 15:13:58.768 INFO [stderr]     |
Dec 01 15:13:58.768 INFO [stderr] 106 |     for i in 0..(population_size.clone()) {
Dec 01 15:13:58.768 INFO [stderr]     |         ^ help: consider using `_i` instead
Dec 01 15:13:58.768 INFO [stderr] 
Dec 01 15:13:58.768 INFO [stderr] warning: unused variable: `number_of_cities`
Dec 01 15:13:58.768 INFO [stderr]   --> src/genetic_algorithm.rs:88:5
Dec 01 15:13:58.768 INFO [stderr]    |
Dec 01 15:13:58.768 INFO [stderr] 88 |     number_of_cities: &i32,
Dec 01 15:13:58.768 INFO [stderr]    |     ^^^^^^^^^^^^^^^^ help: consider using `_number_of_cities` instead
Dec 01 15:13:58.768 INFO [stderr] 
Dec 01 15:13:58.768 INFO [stderr] warning: unused variable: `i`
Dec 01 15:13:58.768 INFO [stderr]    --> src/genetic_algorithm.rs:152:9
Dec 01 15:13:58.769 INFO [stderr]     |
Dec 01 15:13:58.769 INFO [stderr] 152 |     for i in 0..population_size {
Dec 01 15:13:58.769 INFO [stderr]     |         ^ help: consider using `_i` instead
Dec 01 15:13:58.769 INFO [stderr] 
Dec 01 15:13:58.769 INFO [stderr] warning: unused variable: `i`
Dec 01 15:13:58.769 INFO [stderr]    --> src/genetic_algorithm.rs:229:9
Dec 01 15:13:58.769 INFO [stderr]     |
Dec 01 15:13:58.769 INFO [stderr] 229 |     for i in 0..parents_population_size.clone() {
Dec 01 15:13:58.769 INFO [stderr]     |         ^ help: consider using `_i` instead
Dec 01 15:13:58.769 INFO [stderr] 
Dec 01 15:13:58.778 INFO [stderr] warning: variable does not need to be mutable
Dec 01 15:13:58.778 INFO [stderr]   --> src/main.rs:75:22
Dec 01 15:13:58.778 INFO [stderr]    |
Dec 01 15:13:58.778 INFO [stderr] 75 |     fn solve_genetic(mut matrix: &mut Vec<Vec<i32>>) {
Dec 01 15:13:58.778 INFO [stderr]    |                      ----^^^^^^
Dec 01 15:13:58.778 INFO [stderr]    |                      |
Dec 01 15:13:58.778 INFO [stderr]    |                      help: remove this `mut`
Dec 01 15:13:58.778 INFO [stderr]    |
Dec 01 15:13:58.778 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 01 15:13:58.778 INFO [stderr] 
Dec 01 15:13:58.805 INFO [stderr] warning: variable does not need to be mutable
Dec 01 15:13:58.805 INFO [stderr]   --> src/genetic_algorithm.rs:22:9
Dec 01 15:13:58.805 INFO [stderr]    |
Dec 01 15:13:58.805 INFO [stderr] 22 |     let mut number_of_cities: i32 = matrix.len() as i32;
Dec 01 15:13:58.805 INFO [stderr]    |         ----^^^^^^^^^^^^^^^^
Dec 01 15:13:58.805 INFO [stderr]    |         |
Dec 01 15:13:58.805 INFO [stderr]    |         help: remove this `mut`
Dec 01 15:13:58.805 INFO [stderr] 
Dec 01 15:13:58.805 INFO [stderr] warning: variable does not need to be mutable
Dec 01 15:13:58.805 INFO [stderr]   --> src/genetic_algorithm.rs:25:9
Dec 01 15:13:58.805 INFO [stderr]    |
Dec 01 15:13:58.805 INFO [stderr] 25 |     let mut nodes: Vec<i32> = (0..number_of_cities).collect();
Dec 01 15:13:58.805 INFO [stderr]    |         ----^^^^^
Dec 01 15:13:58.805 INFO [stderr]    |         |
Dec 01 15:13:58.805 INFO [stderr]    |         help: remove this `mut`
Dec 01 15:13:58.805 INFO [stderr] 
Dec 01 15:13:58.805 INFO [stderr] warning: variable does not need to be mutable
Dec 01 15:13:58.805 INFO [stderr]   --> src/genetic_algorithm.rs:34:9
Dec 01 15:13:58.805 INFO [stderr]    |
Dec 01 15:13:58.805 INFO [stderr] 34 |     let mut parents_population_size: i32 = population_size / 2;
Dec 01 15:13:58.805 INFO [stderr]    |         ----^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 15:13:58.805 INFO [stderr]    |         |
Dec 01 15:13:58.805 INFO [stderr]    |         help: remove this `mut`
Dec 01 15:13:58.805 INFO [stderr] 
Dec 01 15:13:58.815 INFO [stderr] warning: variable does not need to be mutable
Dec 01 15:13:58.815 INFO [stderr]    --> src/genetic_algorithm.rs:289:9
Dec 01 15:13:58.815 INFO [stderr]     |
Dec 01 15:13:58.815 INFO [stderr] 289 |     let mut path_value: i32 = permutation_value(&matrix, &permutation);
Dec 01 15:13:58.815 INFO [stderr]     |         ----^^^^^^^^^^
Dec 01 15:13:58.815 INFO [stderr]     |         |
Dec 01 15:13:58.815 INFO [stderr]     |         help: remove this `mut`
Dec 01 15:13:58.815 INFO [stderr] 
Dec 01 15:13:58.815 INFO [stderr] warning: variable does not need to be mutable
Dec 01 15:13:58.815 INFO [stderr]    --> src/genetic_algorithm.rs:291:9
Dec 01 15:13:58.815 INFO [stderr]     |
Dec 01 15:13:58.815 INFO [stderr] 291 |     let mut max_path_value: i32 = <i32>::max_value();
Dec 01 15:13:58.815 INFO [stderr]     |         ----^^^^^^^^^^^^^^
Dec 01 15:13:58.815 INFO [stderr]     |         |
Dec 01 15:13:58.815 INFO [stderr]     |         help: remove this `mut`
Dec 01 15:13:58.815 INFO [stderr] 
Dec 01 15:13:58.818 INFO [stderr] warning: variable does not need to be mutable
Dec 01 15:13:58.818 INFO [stderr]    --> src/genetic_algorithm.rs:308:9
Dec 01 15:13:58.818 INFO [stderr]     |
Dec 01 15:13:58.818 INFO [stderr] 308 |     let mut parents_pair: Vec<Vec<i32>> = generate_parents_pair(&parents_population);
Dec 01 15:13:58.818 INFO [stderr]     |         ----^^^^^^^^^^^^
Dec 01 15:13:58.818 INFO [stderr]     |         |
Dec 01 15:13:58.818 INFO [stderr]     |         help: remove this `mut`
Dec 01 15:13:58.818 INFO [stderr] 
Dec 01 15:13:58.822 INFO [stderr] warning: variable does not need to be mutable
Dec 01 15:13:58.822 INFO [stderr]    --> src/genetic_algorithm.rs:403:9
Dec 01 15:13:58.822 INFO [stderr]     |
Dec 01 15:13:58.822 INFO [stderr] 403 |     let mut saved_element: i32 = permutation[first_element_index];
Dec 01 15:13:58.822 INFO [stderr]     |         ----^^^^^^^^^^^^^
Dec 01 15:13:58.823 INFO [stderr]     |         |
Dec 01 15:13:58.823 INFO [stderr]     |         help: remove this `mut`
Dec 01 15:13:58.823 INFO [stderr] 
Dec 01 15:13:58.826 INFO [stderr] warning: function is never used: `print_tabu_list`
Dec 01 15:13:58.826 INFO [stderr]   --> src/print_utils.rs:10:1
Dec 01 15:13:58.826 INFO [stderr]    |
Dec 01 15:13:58.826 INFO [stderr] 10 | pub fn print_tabu_list(tabu_list: &Vec<Vec<i32>>) {
Dec 01 15:13:58.827 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 15:13:58.827 INFO [stderr]    |
Dec 01 15:13:58.827 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 01 15:13:58.827 INFO [stderr] 
Dec 01 15:13:58.827 INFO [stderr] warning: function is never used: `print_result`
Dec 01 15:13:58.828 INFO [stderr]   --> src/print_utils.rs:18:1
Dec 01 15:13:58.828 INFO [stderr]    |
Dec 01 15:13:58.828 INFO [stderr] 18 | pub fn print_result(result: i32, result_path: Vec<i32>, elapsed_time: i64) {
Dec 01 15:13:58.828 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 15:13:58.829 INFO [stderr] 
Dec 01 15:13:59.460 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.46s
Dec 01 15:13:59.463 INFO [stderr] su: No module specific data is present
Dec 01 15:14:00.968 INFO running `"docker" "inspect" "517f545a64ff5d0396b5f6bf22db5824490f513a351293b4db678437532ec1b8"`
Dec 01 15:14:01.284 INFO running `"docker" "rm" "-f" "517f545a64ff5d0396b5f6bf22db5824490f513a351293b4db678437532ec1b8"`
Dec 01 15:14:01.599 INFO [stdout] 517f545a64ff5d0396b5f6bf22db5824490f513a351293b4db678437532ec1b8
Dec 01 15:14:01.605 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/beta-1.31-5/1.30.1:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1.30.1 test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 15:14:02.155 INFO [stdout] 675cd292f75628eb6d0e48ced5f3966ade8a7e74cfd0ac7d8de0ecaa40c614e0
Dec 01 15:14:02.161 INFO running `"docker" "start" "-a" "675cd292f75628eb6d0e48ced5f3966ade8a7e74cfd0ac7d8de0ecaa40c614e0"`
Dec 01 15:14:03.798 INFO [stderr] usermod: no changes
Dec 01 15:14:03.916 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
Dec 01 15:14:03.916 INFO [stderr]      Running /target/debug/deps/genetic-44478a2b75a38fe0
Dec 01 15:14:03.927 INFO [stdout] 
Dec 01 15:14:03.927 INFO [stdout] running 0 tests
Dec 01 15:14:03.927 INFO [stdout] 
Dec 01 15:14:03.927 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 01 15:14:03.927 INFO [stdout] 
Dec 01 15:14:03.935 INFO [stderr] su: No module specific data is present
Dec 01 15:14:05.102 INFO running `"docker" "inspect" "675cd292f75628eb6d0e48ced5f3966ade8a7e74cfd0ac7d8de0ecaa40c614e0"`
Dec 01 15:14:05.455 INFO running `"docker" "rm" "-f" "675cd292f75628eb6d0e48ced5f3966ade8a7e74cfd0ac7d8de0ecaa40c614e0"`
Dec 01 15:14:05.779 INFO [stdout] 675cd292f75628eb6d0e48ced5f3966ade8a7e74cfd0ac7d8de0ecaa40c614e0
