[INFO] updating cached repository https://github.com/NathanFrasier/ICFP-2019
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2a8dc931e3500a10736fedb6df9d7a73d7084623
[INFO] testing NathanFrasier/ICFP-2019 against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNathanFrasier%2FICFP-2019" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NathanFrasier/ICFP-2019 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/NathanFrasier/ICFP-2019
[INFO] finished tweaking git repo https://github.com/NathanFrasier/ICFP-2019
[INFO] tweaked toml for git repo https://github.com/NathanFrasier/ICFP-2019 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/NathanFrasier/ICFP-2019 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: dependency (clap) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e84102101e86f392f4bae23b212ba156d436624a813ec5a71078ac2a9e9b9553
[INFO] running `"docker" "start" "-a" "e84102101e86f392f4bae23b212ba156d436624a813ec5a71078ac2a9e9b9553"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: dependency (clap) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling pathfinding v1.1.12
[INFO] [stderr]    Compiling app v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> src/rust/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp`
[INFO] [stderr]  --> src/rust/solvers/boko_solver_retry.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::cmp;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Distribution`, `Standard`
[INFO] [stderr]  --> src/rust/solvers/boko_solver_retry.rs:6:21
[INFO] [stderr]   |
[INFO] [stderr] 6 |     distributions::{Distribution, Standard},
[INFO] [stderr]   |                     ^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `thread`, `time`
[INFO] [stderr]  --> src/rust/solvers/directed_solver.rs:7:11
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::{thread, time};
[INFO] [stderr]   |           ^^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `thread`, `time`
[INFO] [stderr]  --> src/rust/solvers/directed_solver_v2.rs:7:11
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::{thread, time};
[INFO] [stderr]   |           ^^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/rust/solvers/directed_solver_v2.rs:16:51
[INFO] [stderr]    |
[INFO] [stderr] 16 |         let mut actions: Vec<Action> = Vec::new();;
[INFO] [stderr]    |                                                   ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/rust/solvers/directed_solver_v2.rs:17:58
[INFO] [stderr]    |
[INFO] [stderr] 17 |         let mut action_backlog: Vec<Action> = Vec::new();;
[INFO] [stderr]    |                                                          ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `starting`
[INFO] [stderr]   --> src/rust/solvers/directed_solver_v2.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |         let mut starting = true;
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_starting`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `d_count` is never read
[INFO] [stderr]   --> src/rust/solvers/directed_solver_v2.rs:82:21
[INFO] [stderr]    |
[INFO] [stderr] 82 |                     d_count = 0;
[INFO] [stderr]    |                     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/rust/solvers/dis_solver.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     for i in 1..moves {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]   --> src/rust/test.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let v = my_bot
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `aa`
[INFO] [stderr]   --> src/rust/test.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let aa = 1;
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_aa`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/rust/solvers/directed_solver_v2.rs:20:13
[INFO] [stderr]    |
[INFO] [stderr] 20 |         let mut last_actions: &mut Vec<Action> = &mut last_actions_real;
[INFO] [stderr]    |             ----^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/rust/solvers/directed_solver_v2.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |         let mut starting = true;
[INFO] [stderr]    |             ----^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `clear_undo`
[INFO] [stderr]    --> src/rust/map.rs:137:12
[INFO] [stderr]     |
[INFO] [stderr] 137 |     pub fn clear_undo(&mut self){
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `solve`
[INFO] [stderr]  --> src/rust/solvers/directed_solver_v2.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn solve(map: &mut Map, _moves: usize) -> Vec<Action> {
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `convert_to_actions`
[INFO] [stderr]    --> src/rust/solvers/directed_solver_v2.rs:104:4
[INFO] [stderr]     |
[INFO] [stderr] 104 | fn convert_to_actions(points: &Vec<Point>) -> Vec<Action> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/rust/main.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |             fs::create_dir(path);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/rust/map.rs:535:9
[INFO] [stderr]     |
[INFO] [stderr] 535 |         write!(f, "Map {{\n");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/rust/map.rs:536:9
[INFO] [stderr]     |
[INFO] [stderr] 536 |         write!(f, "  squares:\n    {}\n", map.join("\n    "));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/rust/map.rs:537:9
[INFO] [stderr]     |
[INFO] [stderr] 537 |         write!(f, "  remaining: {}\n", self.get_remaining());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/rust/map.rs:538:9
[INFO] [stderr]     |
[INFO] [stderr] 538 | /         write!(
[INFO] [stderr] 539 | |             f,
[INFO] [stderr] 540 | |             "  bot: {},{}\n",
[INFO] [stderr] 541 | |             self.bot.position.x, self.bot.position.y
[INFO] [stderr] 542 | |         );
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/rust/solvers/boko_solver.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |         map.perform(&my_action);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/rust/solvers/boko_solver_retry.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |             map.perform(&my_action);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/rust/solvers/directed_solver.rs:23:13
[INFO] [stderr]    |
[INFO] [stderr] 23 |             map.perform(&a);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/rust/solvers/directed_solver_v2.rs:42:13
[INFO] [stderr]    |
[INFO] [stderr] 42 |             plan_map.perform(actions.first().unwrap());
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/rust/solvers/directed_solver_v2.rs:92:13
[INFO] [stderr]    |
[INFO] [stderr] 92 |             map.perform(&a);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/rust/solvers/dis_solver.rs:50:25
[INFO] [stderr]    |
[INFO] [stderr] 50 |                         map.perform(&action);
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/rust/solvers/dis_solver.rs:68:13
[INFO] [stderr]    |
[INFO] [stderr] 68 |             map.perform(&a);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/rust/solvers/dis_solver.rs:102:13
[INFO] [stderr]     |
[INFO] [stderr] 102 |             map.perform(action);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variable `moveOptions` should have a snake case name
[INFO] [stderr]   --> src/rust/solvers/eager_solver.rs:12:17
[INFO] [stderr]    |
[INFO] [stderr] 12 |         let mut moveOptions = Vec::new();
[INFO] [stderr]    |                 ^^^^^^^^^^^ help: convert the identifier to snake case: `move_options`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/rust/solvers/eager_solver.rs:23:21
[INFO] [stderr]    |
[INFO] [stderr] 23 |                     map.perform(best.0);
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/rust/solvers/eager_solver.rs:42:13
[INFO] [stderr]    |
[INFO] [stderr] 42 |             map.perform(&a);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/rust/solvers/eager_solver.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     map.perform(action);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 34 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.62s
[INFO] running `"docker" "inspect" "e84102101e86f392f4bae23b212ba156d436624a813ec5a71078ac2a9e9b9553"`
[INFO] running `"docker" "rm" "-f" "e84102101e86f392f4bae23b212ba156d436624a813ec5a71078ac2a9e9b9553"`
[INFO] [stdout] e84102101e86f392f4bae23b212ba156d436624a813ec5a71078ac2a9e9b9553
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cfbfe66fef5d9f92668eb2b040897a07cc1e568fb0369bfde1f43af128a10147
[INFO] running `"docker" "start" "-a" "cfbfe66fef5d9f92668eb2b040897a07cc1e568fb0369bfde1f43af128a10147"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: dependency (clap) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling app v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> src/rust/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp`
[INFO] [stderr]  --> src/rust/solvers/boko_solver_retry.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::cmp;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Distribution`, `Standard`
[INFO] [stderr]  --> src/rust/solvers/boko_solver_retry.rs:6:21
[INFO] [stderr]   |
[INFO] [stderr] 6 |     distributions::{Distribution, Standard},
[INFO] [stderr]   |                     ^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `thread`, `time`
[INFO] [stderr]  --> src/rust/solvers/directed_solver.rs:7:11
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::{thread, time};
[INFO] [stderr]   |           ^^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `thread`, `time`
[INFO] [stderr]  --> src/rust/solvers/directed_solver_v2.rs:7:11
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::{thread, time};
[INFO] [stderr]   |           ^^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/rust/solvers/directed_solver_v2.rs:16:51
[INFO] [stderr]    |
[INFO] [stderr] 16 |         let mut actions: Vec<Action> = Vec::new();;
[INFO] [stderr]    |                                                   ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/rust/solvers/directed_solver_v2.rs:17:58
[INFO] [stderr]    |
[INFO] [stderr] 17 |         let mut action_backlog: Vec<Action> = Vec::new();;
[INFO] [stderr]    |                                                          ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `starting`
[INFO] [stderr]   --> src/rust/solvers/directed_solver_v2.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |         let mut starting = true;
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_starting`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `d_count` is never read
[INFO] [stderr]   --> src/rust/solvers/directed_solver_v2.rs:82:21
[INFO] [stderr]    |
[INFO] [stderr] 82 |                     d_count = 0;
[INFO] [stderr]    |                     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/rust/solvers/dis_solver.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     for i in 1..moves {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]   --> src/rust/test.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let v = my_bot
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `aa`
[INFO] [stderr]   --> src/rust/test.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let aa = 1;
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_aa`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/rust/solvers/directed_solver_v2.rs:20:13
[INFO] [stderr]    |
[INFO] [stderr] 20 |         let mut last_actions: &mut Vec<Action> = &mut last_actions_real;
[INFO] [stderr]    |             ----^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/rust/solvers/directed_solver_v2.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |         let mut starting = true;
[INFO] [stderr]    |             ----^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `clear_undo`
[INFO] [stderr]    --> src/rust/map.rs:137:12
[INFO] [stderr]     |
[INFO] [stderr] 137 |     pub fn clear_undo(&mut self){
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `solve`
[INFO] [stderr]  --> src/rust/solvers/directed_solver_v2.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn solve(map: &mut Map, _moves: usize) -> Vec<Action> {
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `convert_to_actions`
[INFO] [stderr]    --> src/rust/solvers/directed_solver_v2.rs:104:4
[INFO] [stderr]     |
[INFO] [stderr] 104 | fn convert_to_actions(points: &Vec<Point>) -> Vec<Action> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/rust/main.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |             fs::create_dir(path);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/rust/map.rs:535:9
[INFO] [stderr]     |
[INFO] [stderr] 535 |         write!(f, "Map {{\n");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/rust/map.rs:536:9
[INFO] [stderr]     |
[INFO] [stderr] 536 |         write!(f, "  squares:\n    {}\n", map.join("\n    "));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/rust/map.rs:537:9
[INFO] [stderr]     |
[INFO] [stderr] 537 |         write!(f, "  remaining: {}\n", self.get_remaining());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/rust/map.rs:538:9
[INFO] [stderr]     |
[INFO] [stderr] 538 | /         write!(
[INFO] [stderr] 539 | |             f,
[INFO] [stderr] 540 | |             "  bot: {},{}\n",
[INFO] [stderr] 541 | |             self.bot.position.x, self.bot.position.y
[INFO] [stderr] 542 | |         );
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/rust/solvers/boko_solver.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |         map.perform(&my_action);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/rust/solvers/boko_solver_retry.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |             map.perform(&my_action);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/rust/solvers/directed_solver.rs:23:13
[INFO] [stderr]    |
[INFO] [stderr] 23 |             map.perform(&a);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/rust/solvers/directed_solver_v2.rs:42:13
[INFO] [stderr]    |
[INFO] [stderr] 42 |             plan_map.perform(actions.first().unwrap());
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/rust/solvers/directed_solver_v2.rs:92:13
[INFO] [stderr]    |
[INFO] [stderr] 92 |             map.perform(&a);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/rust/solvers/dis_solver.rs:50:25
[INFO] [stderr]    |
[INFO] [stderr] 50 |                         map.perform(&action);
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/rust/solvers/dis_solver.rs:68:13
[INFO] [stderr]    |
[INFO] [stderr] 68 |             map.perform(&a);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/rust/solvers/dis_solver.rs:102:13
[INFO] [stderr]     |
[INFO] [stderr] 102 |             map.perform(action);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variable `moveOptions` should have a snake case name
[INFO] [stderr]   --> src/rust/solvers/eager_solver.rs:12:17
[INFO] [stderr]    |
[INFO] [stderr] 12 |         let mut moveOptions = Vec::new();
[INFO] [stderr]    |                 ^^^^^^^^^^^ help: convert the identifier to snake case: `move_options`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/rust/solvers/eager_solver.rs:23:21
[INFO] [stderr]    |
[INFO] [stderr] 23 |                     map.perform(best.0);
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/rust/solvers/eager_solver.rs:42:13
[INFO] [stderr]    |
[INFO] [stderr] 42 |             map.perform(&a);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/rust/solvers/eager_solver.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     map.perform(action);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 34 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `"docker" "inspect" "cfbfe66fef5d9f92668eb2b040897a07cc1e568fb0369bfde1f43af128a10147"`
[INFO] running `"docker" "rm" "-f" "cfbfe66fef5d9f92668eb2b040897a07cc1e568fb0369bfde1f43af128a10147"`
[INFO] [stdout] cfbfe66fef5d9f92668eb2b040897a07cc1e568fb0369bfde1f43af128a10147
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 93bf2b3661b9ad41a19dd7fa6401f51bccc15b931d5090ba9c49f58f1d66b4c9
[INFO] running `"docker" "start" "-a" "93bf2b3661b9ad41a19dd7fa6401f51bccc15b931d5090ba9c49f58f1d66b4c9"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: dependency (clap) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> src/rust/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp`
[INFO] [stderr]  --> src/rust/solvers/boko_solver_retry.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::cmp;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Distribution`, `Standard`
[INFO] [stderr]  --> src/rust/solvers/boko_solver_retry.rs:6:21
[INFO] [stderr]   |
[INFO] [stderr] 6 |     distributions::{Distribution, Standard},
[INFO] [stderr]   |                     ^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `thread`, `time`
[INFO] [stderr]  --> src/rust/solvers/directed_solver.rs:7:11
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::{thread, time};
[INFO] [stderr]   |           ^^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `thread`, `time`
[INFO] [stderr]  --> src/rust/solvers/directed_solver_v2.rs:7:11
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::{thread, time};
[INFO] [stderr]   |           ^^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/rust/solvers/directed_solver_v2.rs:16:51
[INFO] [stderr]    |
[INFO] [stderr] 16 |         let mut actions: Vec<Action> = Vec::new();;
[INFO] [stderr]    |                                                   ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/rust/solvers/directed_solver_v2.rs:17:58
[INFO] [stderr]    |
[INFO] [stderr] 17 |         let mut action_backlog: Vec<Action> = Vec::new();;
[INFO] [stderr]    |                                                          ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `starting`
[INFO] [stderr]   --> src/rust/solvers/directed_solver_v2.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |         let mut starting = true;
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_starting`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `d_count` is never read
[INFO] [stderr]   --> src/rust/solvers/directed_solver_v2.rs:82:21
[INFO] [stderr]    |
[INFO] [stderr] 82 |                     d_count = 0;
[INFO] [stderr]    |                     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/rust/solvers/dis_solver.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     for i in 1..moves {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]   --> src/rust/test.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let v = my_bot
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `aa`
[INFO] [stderr]   --> src/rust/test.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let aa = 1;
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_aa`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/rust/solvers/directed_solver_v2.rs:20:13
[INFO] [stderr]    |
[INFO] [stderr] 20 |         let mut last_actions: &mut Vec<Action> = &mut last_actions_real;
[INFO] [stderr]    |             ----^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/rust/solvers/directed_solver_v2.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |         let mut starting = true;
[INFO] [stderr]    |             ----^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `clear_undo`
[INFO] [stderr]    --> src/rust/map.rs:137:12
[INFO] [stderr]     |
[INFO] [stderr] 137 |     pub fn clear_undo(&mut self){
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `solve`
[INFO] [stderr]  --> src/rust/solvers/directed_solver_v2.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn solve(map: &mut Map, _moves: usize) -> Vec<Action> {
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `convert_to_actions`
[INFO] [stderr]    --> src/rust/solvers/directed_solver_v2.rs:104:4
[INFO] [stderr]     |
[INFO] [stderr] 104 | fn convert_to_actions(points: &Vec<Point>) -> Vec<Action> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/rust/main.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |             fs::create_dir(path);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/rust/map.rs:535:9
[INFO] [stderr]     |
[INFO] [stderr] 535 |         write!(f, "Map {{\n");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/rust/map.rs:536:9
[INFO] [stderr]     |
[INFO] [stderr] 536 |         write!(f, "  squares:\n    {}\n", map.join("\n    "));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/rust/map.rs:537:9
[INFO] [stderr]     |
[INFO] [stderr] 537 |         write!(f, "  remaining: {}\n", self.get_remaining());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/rust/map.rs:538:9
[INFO] [stderr]     |
[INFO] [stderr] 538 | /         write!(
[INFO] [stderr] 539 | |             f,
[INFO] [stderr] 540 | |             "  bot: {},{}\n",
[INFO] [stderr] 541 | |             self.bot.position.x, self.bot.position.y
[INFO] [stderr] 542 | |         );
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/rust/solvers/boko_solver.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |         map.perform(&my_action);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/rust/solvers/boko_solver_retry.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |             map.perform(&my_action);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/rust/solvers/directed_solver.rs:23:13
[INFO] [stderr]    |
[INFO] [stderr] 23 |             map.perform(&a);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/rust/solvers/directed_solver_v2.rs:42:13
[INFO] [stderr]    |
[INFO] [stderr] 42 |             plan_map.perform(actions.first().unwrap());
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/rust/solvers/directed_solver_v2.rs:92:13
[INFO] [stderr]    |
[INFO] [stderr] 92 |             map.perform(&a);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/rust/solvers/dis_solver.rs:50:25
[INFO] [stderr]    |
[INFO] [stderr] 50 |                         map.perform(&action);
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/rust/solvers/dis_solver.rs:68:13
[INFO] [stderr]    |
[INFO] [stderr] 68 |             map.perform(&a);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/rust/solvers/dis_solver.rs:102:13
[INFO] [stderr]     |
[INFO] [stderr] 102 |             map.perform(action);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variable `moveOptions` should have a snake case name
[INFO] [stderr]   --> src/rust/solvers/eager_solver.rs:12:17
[INFO] [stderr]    |
[INFO] [stderr] 12 |         let mut moveOptions = Vec::new();
[INFO] [stderr]    |                 ^^^^^^^^^^^ help: convert the identifier to snake case: `move_options`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/rust/solvers/eager_solver.rs:23:21
[INFO] [stderr]    |
[INFO] [stderr] 23 |                     map.perform(best.0);
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/rust/solvers/eager_solver.rs:42:13
[INFO] [stderr]    |
[INFO] [stderr] 42 |             map.perform(&a);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/rust/solvers/eager_solver.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     map.perform(action);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 34 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/app-45eea904fccb1ed9
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "93bf2b3661b9ad41a19dd7fa6401f51bccc15b931d5090ba9c49f58f1d66b4c9"`
[INFO] running `"docker" "rm" "-f" "93bf2b3661b9ad41a19dd7fa6401f51bccc15b931d5090ba9c49f58f1d66b4c9"`
[INFO] [stdout] 93bf2b3661b9ad41a19dd7fa6401f51bccc15b931d5090ba9c49f58f1d66b4c9