[INFO] cloning repository https://github.com/christian-blades-cb/aoc-2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/christian-blades-cb/aoc-2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristian-blades-cb%2Faoc-2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristian-blades-cb%2Faoc-2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e1378a2e885a3ee410f40602a8bc777e066ee53
[INFO] checking christian-blades-cb/aoc-2018 against master#6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd for pr-153721
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristian-blades-cb%2Faoc-2018" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/christian-blades-cb/aoc-2018
[INFO] finished tweaking git repo https://github.com/christian-blades-cb/aoc-2018
[INFO] tweaked toml for git repo https://github.com/christian-blades-cb/aoc-2018 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/christian-blades-cb/aoc-2018 on toolchain 6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/christian-blades-cb/aoc-2018 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" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a728344de1b7c858eb39151fed2c82e8b41f300f126161ecc4ca482e89c07af4
[INFO] running `Command { std: "docker" "start" "a728344de1b7c858eb39151fed2c82e8b41f300f126161ecc4ca482e89c07af4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a728344de1b7c858eb39151fed2c82e8b41f300f126161ecc4ca482e89c07af4" "/opt/rustwide/cargo-home/bin/cargo" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling memchr v2.1.1
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[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]     Checking topological-sort v0.1.0
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]     Checking nom v4.1.1
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling rand_core v0.3.0
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[INFO] [stderr]     Checking approx v0.1.1
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[INFO] [stderr]     Checking pathfinding v1.1.6
[INFO] [stderr]     Checking day4 v0.1.0 (/opt/rustwide/workdir/day4)
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[INFO] [stderr]     Checking day3 v0.1.0 (/opt/rustwide/workdir/day3)
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[INFO] [stderr]     Checking day9 v0.1.0 (/opt/rustwide/workdir/day9)
[INFO] [stderr]     Checking day6 v0.1.0 (/opt/rustwide/workdir/day6)
[INFO] [stderr]     Checking day2 v0.1.0 (/opt/rustwide/workdir/day2)
[INFO] [stderr]     Checking day8 v0.1.0 (/opt/rustwide/workdir/day8)
[INFO] [stderr]     Checking day5 v0.1.0 (/opt/rustwide/workdir/day5)
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[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]     Checking day13 v0.1.0 (/opt/rustwide/workdir/day13)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> day13/src/main.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |     for i in 0_usize.. {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> day13/src/main.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |     for i in 0_usize.. {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tiff v0.2.1
[INFO] [stderr]    Compiling palette_derive v0.4.1
[INFO] [stderr]     Checking image v0.20.1
[INFO] [stderr]     Checking day12 v0.1.0 (/opt/rustwide/workdir/day12)
[INFO] [stderr]     Checking day15 v0.1.0 (/opt/rustwide/workdir/day15)
[INFO] [stderr]     Checking day11 v0.1.0 (/opt/rustwide/workdir/day11)
[INFO] [stderr]     Checking day10 v0.1.0 (/opt/rustwide/workdir/day10)
[INFO] [stderr]     Checking day16 v0.1.0 (/opt/rustwide/workdir/day16)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> day15/src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[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: `Duration` and `Utc`
[INFO] [stdout]  --> day15/src/main.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | use chrono::{Duration, Utc};
[INFO] [stdout]   |              ^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `alpha` and `digit`
[INFO] [stdout]  --> day15/src/main.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | use nom::{alpha, digit};
[INFO] [stdout]   |           ^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `regex::Regex`
[INFO] [stdout]  --> day15/src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use regex::Regex;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tap::TapOps`
[INFO] [stdout]   --> day15/src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use tap::TapOps;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> day15/src/main.rs:301:9
[INFO] [stdout]     |
[INFO] [stdout] 301 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> day15/src/main.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |     let mut units = units.to_vec();
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> day15/src/main.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |     let mut to_process = units.to_vec();
[INFO] [stdout]     |         ----^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `map`
[INFO] [stdout]    --> day15/src/main.rs:106:10
[INFO] [stdout]     |
[INFO] [stdout] 106 | fn part1(map: &Map, units: &[Unit]) -> usize {
[INFO] [stdout]     |          ^^^ help: if this is intentional, prefix it with an underscore: `_map`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `to_process`
[INFO] [stdout]    --> day15/src/main.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |     let mut to_process = units.to_vec();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_to_process`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]    --> day15/src/main.rs:119:13
[INFO] [stdout]     |
[INFO] [stdout] 119 |         let target = closest_target(&unit, &units, width);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> day15/src/main.rs:261:22
[INFO] [stdout]     |
[INFO] [stdout] 261 |                 let (x, y) = tgt.coord;
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> day15/src/main.rs:261:25
[INFO] [stdout]     |
[INFO] [stdout] 261 |                 let (x, y) = tgt.coord;
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `COMPASS` is never used
[INFO] [stdout]    --> day15/src/main.rs:104:7
[INFO] [stdout]     |
[INFO] [stdout] 104 | const COMPASS: [(isize, isize); 4] = [(1, 0), (-1, 0), (0, 1), (0, -1)];
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `next_frame` is never used
[INFO] [stdout]    --> day15/src/main.rs:113:4
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn next_frame(map: &Map, units: &[Unit]) -> Vec<Unit> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Steps` is never used
[INFO] [stdout]    --> day15/src/main.rs:208:6
[INFO] [stdout]     |
[INFO] [stdout] 208 | type Steps = Vec<Coord>;
[INFO] [stdout]     |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `top_left` is never used
[INFO] [stdout]    --> day15/src/main.rs:210:4
[INFO] [stdout]     |
[INFO] [stdout] 210 | fn top_left(a: &Coord, b: &Coord, width: usize) -> std::cmp::Ordering {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `manhattan_distance` is never used
[INFO] [stdout]    --> day15/src/main.rs:218:4
[INFO] [stdout]     |
[INFO] [stdout] 218 | fn manhattan_distance(a: &Coord, b: &Coord) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `targets_in_range` is never used
[INFO] [stdout]    --> day15/src/main.rs:222:4
[INFO] [stdout]     |
[INFO] [stdout] 222 | fn targets_in_range<'a>(unit: &'a Unit, targets: &'a [Unit]) -> impl Iterator<Item = &'a Unit> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `closest_target` is never used
[INFO] [stdout]    --> day15/src/main.rs:237:4
[INFO] [stdout]     |
[INFO] [stdout] 237 | fn closest_target<'a>(unit: &'a Unit, targets: &'a [Unit], width: usize) -> Option<&'a Unit> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_grid` is never used
[INFO] [stdout]    --> day15/src/main.rs:277:4
[INFO] [stdout]     |
[INFO] [stdout] 277 | fn create_grid(map: &Map, units: &[Unit]) -> Grid {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `targets` is never used
[INFO] [stdout]    --> day15/src/main.rs:294:4
[INFO] [stdout]     |
[INFO] [stdout] 294 | fn targets<'a>(unit: &'a Unit, haystack: &'a [Unit]) -> impl Iterator<Item = &'a Unit> {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `padding` should have an upper case name
[INFO] [stdout]   --> day12/src/main.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 25 |     const padding: usize = 50;
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 25 -     const padding: usize = 50;
[INFO] [stdout] 25 +     const PADDING: usize = 50;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `padding` should have an upper case name
[INFO] [stdout]   --> day12/src/main.rs:40:11
[INFO] [stdout]    |
[INFO] [stdout] 40 |     const padding: usize = 1000;
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 40 -     const padding: usize = 1000;
[INFO] [stdout] 40 +     const PADDING: usize = 1000;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `n_generations` should have an upper case name
[INFO] [stdout]   --> day12/src/main.rs:41:11
[INFO] [stdout]    |
[INFO] [stdout] 41 |     const n_generations: usize = 50_000_000_000;
[INFO] [stdout]    |           ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 41 -     const n_generations: usize = 50_000_000_000;
[INFO] [stdout] 41 +     const N_GENERATIONS: usize = 50_000_000_000;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day14 v0.1.0 (/opt/rustwide/workdir/day14)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> day15/src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[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: `Duration` and `Utc`
[INFO] [stdout]  --> day15/src/main.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | use chrono::{Duration, Utc};
[INFO] [stdout]   |              ^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `alpha` and `digit`
[INFO] [stdout]  --> day15/src/main.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | use nom::{alpha, digit};
[INFO] [stdout]   |           ^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `regex::Regex`
[INFO] [stdout]  --> day15/src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use regex::Regex;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tap::TapOps`
[INFO] [stdout]   --> day15/src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use tap::TapOps;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `padding` should have an upper case name
[INFO] [stdout]   --> day12/src/main.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 25 |     const padding: usize = 50;
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 25 -     const padding: usize = 50;
[INFO] [stdout] 25 +     const PADDING: usize = 50;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `padding` should have an upper case name
[INFO] [stdout]   --> day12/src/main.rs:40:11
[INFO] [stdout]    |
[INFO] [stdout] 40 |     const padding: usize = 1000;
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 40 -     const padding: usize = 1000;
[INFO] [stdout] 40 +     const PADDING: usize = 1000;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `n_generations` should have an upper case name
[INFO] [stdout]   --> day12/src/main.rs:41:11
[INFO] [stdout]    |
[INFO] [stdout] 41 |     const n_generations: usize = 50_000_000_000;
[INFO] [stdout]    |           ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 41 -     const n_generations: usize = 50_000_000_000;
[INFO] [stdout] 41 +     const N_GENERATIONS: usize = 50_000_000_000;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> day15/src/main.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |     let mut units = units.to_vec();
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> day15/src/main.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |     let mut to_process = units.to_vec();
[INFO] [stdout]     |         ----^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `map`
[INFO] [stdout]    --> day15/src/main.rs:106:10
[INFO] [stdout]     |
[INFO] [stdout] 106 | fn part1(map: &Map, units: &[Unit]) -> usize {
[INFO] [stdout]     |          ^^^ help: if this is intentional, prefix it with an underscore: `_map`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `to_process`
[INFO] [stdout]    --> day15/src/main.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |     let mut to_process = units.to_vec();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_to_process`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]    --> day15/src/main.rs:119:13
[INFO] [stdout]     |
[INFO] [stdout] 119 |         let target = closest_target(&unit, &units, width);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> day15/src/main.rs:261:22
[INFO] [stdout]     |
[INFO] [stdout] 261 |                 let (x, y) = tgt.coord;
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> day15/src/main.rs:261:25
[INFO] [stdout]     |
[INFO] [stdout] 261 |                 let (x, y) = tgt.coord;
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `COMPASS` is never used
[INFO] [stdout]    --> day15/src/main.rs:104:7
[INFO] [stdout]     |
[INFO] [stdout] 104 | const COMPASS: [(isize, isize); 4] = [(1, 0), (-1, 0), (0, 1), (0, -1)];
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `next_frame` is never used
[INFO] [stdout]    --> day15/src/main.rs:113:4
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn next_frame(map: &Map, units: &[Unit]) -> Vec<Unit> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Steps` is never used
[INFO] [stdout]    --> day15/src/main.rs:208:6
[INFO] [stdout]     |
[INFO] [stdout] 208 | type Steps = Vec<Coord>;
[INFO] [stdout]     |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `top_left` is never used
[INFO] [stdout]    --> day15/src/main.rs:210:4
[INFO] [stdout]     |
[INFO] [stdout] 210 | fn top_left(a: &Coord, b: &Coord, width: usize) -> std::cmp::Ordering {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `manhattan_distance` is never used
[INFO] [stdout]    --> day15/src/main.rs:218:4
[INFO] [stdout]     |
[INFO] [stdout] 218 | fn manhattan_distance(a: &Coord, b: &Coord) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `targets_in_range` is never used
[INFO] [stdout]    --> day15/src/main.rs:222:4
[INFO] [stdout]     |
[INFO] [stdout] 222 | fn targets_in_range<'a>(unit: &'a Unit, targets: &'a [Unit]) -> impl Iterator<Item = &'a Unit> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `closest_target` is never used
[INFO] [stdout]    --> day15/src/main.rs:237:4
[INFO] [stdout]     |
[INFO] [stdout] 237 | fn closest_target<'a>(unit: &'a Unit, targets: &'a [Unit], width: usize) -> Option<&'a Unit> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_grid` is never used
[INFO] [stdout]    --> day15/src/main.rs:277:4
[INFO] [stdout]     |
[INFO] [stdout] 277 | fn create_grid(map: &Map, units: &[Unit]) -> Grid {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `targets` is never used
[INFO] [stdout]    --> day15/src/main.rs:294:4
[INFO] [stdout]     |
[INFO] [stdout] 294 | fn targets<'a>(unit: &'a Unit, haystack: &'a [Unit]) -> impl Iterator<Item = &'a Unit> {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day6-viz v0.1.0 (/opt/rustwide/workdir/day6-viz)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.54s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.1.1, syn v0.14.9
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "a728344de1b7c858eb39151fed2c82e8b41f300f126161ecc4ca482e89c07af4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a728344de1b7c858eb39151fed2c82e8b41f300f126161ecc4ca482e89c07af4", kill_on_drop: false }`
[INFO] [stdout] a728344de1b7c858eb39151fed2c82e8b41f300f126161ecc4ca482e89c07af4
