[INFO] cloning repository https://github.com/ycatbink0t/diplom
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ycatbink0t/diplom" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fycatbink0t%2Fdiplom", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fycatbink0t%2Fdiplom'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 868627c13faeaf0ec37fa328030a82a0df4ef926
[INFO] checking ycatbink0t/diplom against try#54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47 for pr-153041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fycatbink0t%2Fdiplom" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ycatbink0t/diplom
[INFO] finished tweaking git repo https://github.com/ycatbink0t/diplom
[INFO] tweaked toml for git repo https://github.com/ycatbink0t/diplom written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ycatbink0t/diplom on toolchain 54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ycatbink0t/diplom 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" "+54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] becbd1ec8ce8bed895fdb758999ffd7217891b543d6a767ddc5a2ce9ee1a9b38
[INFO] running `Command { std: "docker" "start" "-a" "becbd1ec8ce8bed895fdb758999ffd7217891b543d6a767ddc5a2ce9ee1a9b38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "becbd1ec8ce8bed895fdb758999ffd7217891b543d6a767ddc5a2ce9ee1a9b38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "becbd1ec8ce8bed895fdb758999ffd7217891b543d6a767ddc5a2ce9ee1a9b38", kill_on_drop: false }`
[INFO] [stdout] becbd1ec8ce8bed895fdb758999ffd7217891b543d6a767ddc5a2ce9ee1a9b38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ea3ffedb4d66b3bd237e187d449623468d8cc79001d97f601de6447ab55d5dc
[INFO] running `Command { std: "docker" "start" "-a" "2ea3ffedb4d66b3bd237e187d449623468d8cc79001d97f601de6447ab55d5dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking diplom v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]   --> src/main.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | mod lib;
[INFO] [stdout]    | ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: lib.rs is the root of this crate's library target
[INFO] [stdout]    = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]    = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::f64`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use core::f64;
[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 imports: `algs::ant_alg_tsp_solver::AntAlgTSPSolver`, `distance::Distance`, `random_discrete_points`, `self`, `sphere_point::SpherePoint`, and `tsp_alg::TSPSolver`
[INFO] [stdout]  --> src/main.rs:5:71
[INFO] [stdout]   |
[INFO] [stdout] 5 | ...::{self, genetic_alg_test}}, data_generators::{random_discrete_points, random_sphere_points}, distance::Distance, sphere_point::SpherePoint, tsp_algs::{algs::ant_alg_tsp_solver::AntAlgTSPSolver, tsp_alg::TSPSolver}};
[INFO] [stdout]   |       ^^^^                                        ^^^^^^^^^^^^^^^^^^^^^^                         ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::lib::tsp_algs::algs::genetic_alg_tsp_solver::GeneticAlgTSPSolver`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::lib::tsp_algs::algs::genetic_alg_tsp_solver::GeneticAlgTSPSolver;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `data_generators::random_sphere_points`
[INFO] [stdout]  --> src/lib/algs_tests/ant_alg_test.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{lib::{data_generators::random_sphere_points, distance::Distance, helpers::calculate_path_length, tsp_algs::{algs::ant_alg...
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `data_generators::random_sphere_points`
[INFO] [stdout]  --> src/lib/algs_tests/genetic_alg_test.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{lib::{data_generators::random_sphere_points, distance::Distance, helpers::calculate_path_length, tsp_algs::{algs::genetic...
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]   --> src/main.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | mod lib;
[INFO] [stdout]    | ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: lib.rs is the root of this crate's library target
[INFO] [stdout]    = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]    = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::f64`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use core::f64;
[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 imports: `algs::ant_alg_tsp_solver::AntAlgTSPSolver`, `distance::Distance`, `random_discrete_points`, `self`, `sphere_point::SpherePoint`, and `tsp_alg::TSPSolver`
[INFO] [stdout]  --> src/main.rs:5:71
[INFO] [stdout]   |
[INFO] [stdout] 5 | ...::{self, genetic_alg_test}}, data_generators::{random_discrete_points, random_sphere_points}, distance::Distance, sphere_point::SpherePoint, tsp_algs::{algs::ant_alg_tsp_solver::AntAlgTSPSolver, tsp_alg::TSPSolver}};
[INFO] [stdout]   |       ^^^^                                        ^^^^^^^^^^^^^^^^^^^^^^                         ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::lib::tsp_algs::algs::genetic_alg_tsp_solver::GeneticAlgTSPSolver`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::lib::tsp_algs::algs::genetic_alg_tsp_solver::GeneticAlgTSPSolver;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `data_generators::random_sphere_points`
[INFO] [stdout]  --> src/lib/algs_tests/ant_alg_test.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{lib::{data_generators::random_sphere_points, distance::Distance, helpers::calculate_path_length, tsp_algs::{algs::ant_alg...
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/lib/algs_tests/mod.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod ant_alg_test;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `data_generators::random_sphere_points`
[INFO] [stdout]  --> src/lib/algs_tests/genetic_alg_test.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{lib::{data_generators::random_sphere_points, distance::Distance, helpers::calculate_path_length, tsp_algs::{algs::genetic...
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/lib/algs_tests/mod.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub mod genetic_alg_test;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `N`
[INFO] [stdout]  --> src/lib/algs_tests/ant_alg_test.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 |   let N: [usize; 3] = [10, 100, 500];
[INFO] [stdout]   |       ^ help: if this is intentional, prefix it with an underscore: `_N`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `N`
[INFO] [stdout]  --> src/lib/algs_tests/ant_alg_test.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 |   let N: [usize; 3] = [10, 100, 500];
[INFO] [stdout]   |       ^ help: if this is intentional, prefix it with an underscore: `_N`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `g` is never read
[INFO] [stdout]    --> src/lib/tsp_algs/algs/ant_alg_tsp_solver.rs:118:11
[INFO] [stdout]     |
[INFO] [stdout] 118 |           g = &(g * (1.0 - self.ro));
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `g` is never read
[INFO] [stdout]    --> src/lib/tsp_algs/algs/ant_alg_tsp_solver.rs:118:11
[INFO] [stdout]     |
[INFO] [stdout] 118 |           g = &(g * (1.0 - self.ro));
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]   --> src/main.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 |   let N: [usize; 3] = [10, 100, 500];
[INFO] [stdout]    |       ^ help: convert the identifier to snake case: `n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]  --> src/lib/algs_tests/ant_alg_test.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 |   let N: [usize; 3] = [10, 100, 500];
[INFO] [stdout]   |       ^ help: convert the identifier to snake case: `n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]   --> src/main.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 |   let N: [usize; 3] = [10, 100, 500];
[INFO] [stdout]    |       ^ help: convert the identifier to snake case: `n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]  --> src/lib/algs_tests/ant_alg_test.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 |   let N: [usize; 3] = [10, 100, 500];
[INFO] [stdout]   |       ^ help: convert the identifier to snake case: `n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib/algs_tests/ant_alg_test.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     writeln!(&mut writer, "iters_count,path_length,time_elapsed");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let _ = writeln!(&mut writer, "iters_count,path_length,time_elapsed");
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib/algs_tests/ant_alg_test.rs:40:7
[INFO] [stdout]    |
[INFO] [stdout] 40 |       writeln!(&mut writer, "{},{},{}", iters_count, path_length, elapsed.as_millis());
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 40 |       let _ = writeln!(&mut writer, "{},{},{}", iters_count, path_length, elapsed.as_millis());
[INFO] [stdout]    |       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib/algs_tests/genetic_alg_test.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     writeln!(&mut writer, "gens_count,path_length,time_elapsed");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let _ = writeln!(&mut writer, "gens_count,path_length,time_elapsed");
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib/algs_tests/genetic_alg_test.rs:37:7
[INFO] [stdout]    |
[INFO] [stdout] 37 |       writeln!(&mut writer, "{},{},{}", gens_count, path_length, elapsed.as_millis());
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 37 |       let _ = writeln!(&mut writer, "{},{},{}", gens_count, path_length, elapsed.as_millis());
[INFO] [stdout]    |       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib/algs_tests/ant_alg_test.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     writeln!(&mut writer, "iters_count,path_length,time_elapsed");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let _ = writeln!(&mut writer, "iters_count,path_length,time_elapsed");
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib/algs_tests/ant_alg_test.rs:40:7
[INFO] [stdout]    |
[INFO] [stdout] 40 |       writeln!(&mut writer, "{},{},{}", iters_count, path_length, elapsed.as_millis());
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 40 |       let _ = writeln!(&mut writer, "{},{},{}", iters_count, path_length, elapsed.as_millis());
[INFO] [stdout]    |       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib/algs_tests/genetic_alg_test.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     writeln!(&mut writer, "gens_count,path_length,time_elapsed");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let _ = writeln!(&mut writer, "gens_count,path_length,time_elapsed");
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib/algs_tests/genetic_alg_test.rs:37:7
[INFO] [stdout]    |
[INFO] [stdout] 37 |       writeln!(&mut writer, "{},{},{}", gens_count, path_length, elapsed.as_millis());
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 37 |       let _ = writeln!(&mut writer, "{},{},{}", gens_count, path_length, elapsed.as_millis());
[INFO] [stdout]    |       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `Command { std: "docker" "inspect" "2ea3ffedb4d66b3bd237e187d449623468d8cc79001d97f601de6447ab55d5dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ea3ffedb4d66b3bd237e187d449623468d8cc79001d97f601de6447ab55d5dc", kill_on_drop: false }`
[INFO] [stdout] 2ea3ffedb4d66b3bd237e187d449623468d8cc79001d97f601de6447ab55d5dc
