[INFO] cloning repository https://github.com/ivardb/aoc2022
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ivardb/aoc2022" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fivardb%2Faoc2022", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fivardb%2Faoc2022'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c5ab5dd84c1584e0d8362e317f1c5630b66e72bc
[INFO] testing ivardb/aoc2022 against 1.98.0-beta.8+cargoflags=--release for beta-release-1.99-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fivardb%2Faoc2022" "/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/ivardb/aoc2022
[INFO] finished tweaking git repo https://github.com/ivardb/aoc2022
[INFO] tweaked toml for git repo https://github.com/ivardb/aoc2022 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ivardb/aoc2022 on toolchain 1.98.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ivardb/aoc2022 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" "+1.98.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded either v1.8.0
[INFO] [stderr]   Downloaded aho-corasick v0.7.20
[INFO] [stderr]   Downloaded regex v1.7.0
[INFO] [stderr]   Downloaded regex-syntax v0.6.28
[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@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] d10e3f9492ee93104c9c466149fd2b876ea53a0e6aed0fe72de31c5d40bcf20d
[INFO] running `Command { std: "docker" "start" "d10e3f9492ee93104c9c466149fd2b876ea53a0e6aed0fe72de31c5d40bcf20d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d10e3f9492ee93104c9c466149fd2b876ea53a0e6aed0fe72de31c5d40bcf20d", 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" "d10e3f9492ee93104c9c466149fd2b876ea53a0e6aed0fe72de31c5d40bcf20d" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d10e3f9492ee93104c9c466149fd2b876ea53a0e6aed0fe72de31c5d40bcf20d", 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" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d10e3f9492ee93104c9c466149fd2b876ea53a0e6aed0fe72de31c5d40bcf20d" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling regex v1.7.0
[INFO] [stderr]    Compiling aoc2022 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/day12.rs:75:114
[INFO] [stdout]    |
[INFO] [stdout] 75 | ...   let new_node = Node { pos: new_pos, cost: n.cost + 1, heuristic: max(new_pos.dist(t) as i32, (target_height - new_height)) };
[INFO] [stdout]    |                                                                                                    ^                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 75 -                     let new_node = Node { pos: new_pos, cost: n.cost + 1, heuristic: max(new_pos.dist(t) as i32, (target_height - new_height)) };
[INFO] [stdout] 75 +                     let new_node = Node { pos: new_pos, cost: n.cost + 1, heuristic: max(new_pos.dist(t) as i32, target_height - new_height) };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/day12.rs:87:72
[INFO] [stdout]    |
[INFO] [stdout] 87 |     queue.push(Node {pos: s, cost: 0, heuristic: max(s.dist(t) as i32, (grid[t.row][t.col] - grid[s.row][s.col]))});
[INFO] [stdout]    |                                                                        ^                                       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 87 -     queue.push(Node {pos: s, cost: 0, heuristic: max(s.dist(t) as i32, (grid[t.row][t.col] - grid[s.row][s.col]))});
[INFO] [stdout] 87 +     queue.push(Node {pos: s, cost: 0, heuristic: max(s.dist(t) as i32, grid[t.row][t.col] - grid[s.row][s.col])});
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FromStr`
[INFO] [stdout]  --> src/day13.rs:5:23
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::str::{Chars, FromStr};
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `delay` is never read
[INFO] [stdout]   --> src/day10.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut delay = 0;
[INFO] [stdout]    |                     ^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 19 |             delay = 1;
[INFO] [stdout]    |             --------- `delay` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/day7.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 |     File(usize, String),
[INFO] [stdout]    |     ----        ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 13 -     File(usize, String),
[INFO] [stdout] 13 +     File(usize, ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/day7.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | struct Directory {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 41 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `visualize` is never used
[INFO] [stdout]   --> src/day7.rs:64:4
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn visualize(filesystem: &HashMap<String, Vec<Files>>, indentation: usize, dir: String) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Util` should have a snake case name
[INFO] [stdout]   --> src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | mod Util;
[INFO] [stdout]    |     ^^^^ help: convert the identifier to snake case (notice the capitalization): `util`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/day13.rs:20:17
[INFO] [stdout]    |
[INFO] [stdout] 20 |                 write!(f, "[");
[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] 20 |                 let _ = write!(f, "[");
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/day13.rs:22:21
[INFO] [stdout]    |
[INFO] [stdout] 22 |                     write!(f, "{},", i);
[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] 22 |                     let _ = write!(f, "{},", i);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 15.43s
[INFO] running `Command { std: "docker" "inspect" "d10e3f9492ee93104c9c466149fd2b876ea53a0e6aed0fe72de31c5d40bcf20d", 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" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d10e3f9492ee93104c9c466149fd2b876ea53a0e6aed0fe72de31c5d40bcf20d" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling aoc2022 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/day12.rs:75:114
[INFO] [stdout]    |
[INFO] [stdout] 75 | ...   let new_node = Node { pos: new_pos, cost: n.cost + 1, heuristic: max(new_pos.dist(t) as i32, (target_height - new_height)) };
[INFO] [stdout]    |                                                                                                    ^                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 75 -                     let new_node = Node { pos: new_pos, cost: n.cost + 1, heuristic: max(new_pos.dist(t) as i32, (target_height - new_height)) };
[INFO] [stdout] 75 +                     let new_node = Node { pos: new_pos, cost: n.cost + 1, heuristic: max(new_pos.dist(t) as i32, target_height - new_height) };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/day12.rs:87:72
[INFO] [stdout]    |
[INFO] [stdout] 87 |     queue.push(Node {pos: s, cost: 0, heuristic: max(s.dist(t) as i32, (grid[t.row][t.col] - grid[s.row][s.col]))});
[INFO] [stdout]    |                                                                        ^                                       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 87 -     queue.push(Node {pos: s, cost: 0, heuristic: max(s.dist(t) as i32, (grid[t.row][t.col] - grid[s.row][s.col]))});
[INFO] [stdout] 87 +     queue.push(Node {pos: s, cost: 0, heuristic: max(s.dist(t) as i32, grid[t.row][t.col] - grid[s.row][s.col])});
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FromStr`
[INFO] [stdout]  --> src/day13.rs:5:23
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::str::{Chars, FromStr};
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `delay` is never read
[INFO] [stdout]   --> src/day10.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut delay = 0;
[INFO] [stdout]    |                     ^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 19 |             delay = 1;
[INFO] [stdout]    |             --------- `delay` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/day7.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 |     File(usize, String),
[INFO] [stdout]    |     ----        ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 13 -     File(usize, String),
[INFO] [stdout] 13 +     File(usize, ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/day7.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | struct Directory {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 41 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `visualize` is never used
[INFO] [stdout]   --> src/day7.rs:64:4
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn visualize(filesystem: &HashMap<String, Vec<Files>>, indentation: usize, dir: String) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Util` should have a snake case name
[INFO] [stdout]   --> src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | mod Util;
[INFO] [stdout]    |     ^^^^ help: convert the identifier to snake case (notice the capitalization): `util`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/day13.rs:20:17
[INFO] [stdout]    |
[INFO] [stdout] 20 |                 write!(f, "[");
[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] 20 |                 let _ = write!(f, "[");
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/day13.rs:22:21
[INFO] [stdout]    |
[INFO] [stdout] 22 |                     write!(f, "{},", i);
[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] 22 |                     let _ = write!(f, "{},", i);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "d10e3f9492ee93104c9c466149fd2b876ea53a0e6aed0fe72de31c5d40bcf20d", 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" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d10e3f9492ee93104c9c466149fd2b876ea53a0e6aed0fe72de31c5d40bcf20d" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/day12.rs:75:114
[INFO] [stderr]    |
[INFO] [stderr] 75 | ...   let new_node = Node { pos: new_pos, cost: n.cost + 1, heuristic: max(new_pos.dist(t) as i32, (target_height - new_height)) };
[INFO] [stderr]    |                                                                                                    ^                          ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 75 -                     let new_node = Node { pos: new_pos, cost: n.cost + 1, heuristic: max(new_pos.dist(t) as i32, (target_height - new_height)) };
[INFO] [stderr] 75 +                     let new_node = Node { pos: new_pos, cost: n.cost + 1, heuristic: max(new_pos.dist(t) as i32, target_height - new_height) };
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/day12.rs:87:72
[INFO] [stderr]    |
[INFO] [stderr] 87 |     queue.push(Node {pos: s, cost: 0, heuristic: max(s.dist(t) as i32, (grid[t.row][t.col] - grid[s.row][s.col]))});
[INFO] [stderr]    |                                                                        ^                                       ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 87 -     queue.push(Node {pos: s, cost: 0, heuristic: max(s.dist(t) as i32, (grid[t.row][t.col] - grid[s.row][s.col]))});
[INFO] [stderr] 87 +     queue.push(Node {pos: s, cost: 0, heuristic: max(s.dist(t) as i32, grid[t.row][t.col] - grid[s.row][s.col])});
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `FromStr`
[INFO] [stderr]  --> src/day13.rs:5:23
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::str::{Chars, FromStr};
[INFO] [stderr]   |                       ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `delay` is never read
[INFO] [stderr]   --> src/day10.rs:14:21
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let mut delay = 0;
[INFO] [stderr]    |                     ^ this value is reassigned later and never used
[INFO] [stderr] ...
[INFO] [stderr] 19 |             delay = 1;
[INFO] [stderr]    |             --------- `delay` is overwritten here before the previous value is read
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `1` is never read
[INFO] [stderr]   --> src/day7.rs:13:17
[INFO] [stderr]    |
[INFO] [stderr] 13 |     File(usize, String),
[INFO] [stderr]    |     ----        ^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 13 -     File(usize, String),
[INFO] [stderr] 13 +     File(usize, ()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `name` is never read
[INFO] [stderr]   --> src/day7.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 40 | struct Directory {
[INFO] [stderr]    |        --------- field in this struct
[INFO] [stderr] 41 |     name: String,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `visualize` is never used
[INFO] [stderr]   --> src/day7.rs:64:4
[INFO] [stderr]    |
[INFO] [stderr] 64 | fn visualize(filesystem: &HashMap<String, Vec<Files>>, indentation: usize, dir: String) {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: module `Util` should have a snake case name
[INFO] [stderr]   --> src/main.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | mod Util;
[INFO] [stderr]    |     ^^^^ help: convert the identifier to snake case (notice the capitalization): `util`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/day13.rs:20:17
[INFO] [stderr]    |
[INFO] [stderr] 20 |                 write!(f, "[");
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 20 |                 let _ = write!(f, "[");
[INFO] [stderr]    |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/day13.rs:22:21
[INFO] [stderr]    |
[INFO] [stderr] 22 |                     write!(f, "{},", i);
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 22 |                     let _ = write!(f, "{},", i);
[INFO] [stderr]    |                     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `aoc2022` (bin "aoc2022" test) generated 10 warnings (run `cargo fix --bin "aoc2022" -p aoc2022 --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/release/deps/aoc2022-b7dc1fff114264b4)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d10e3f9492ee93104c9c466149fd2b876ea53a0e6aed0fe72de31c5d40bcf20d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d10e3f9492ee93104c9c466149fd2b876ea53a0e6aed0fe72de31c5d40bcf20d", kill_on_drop: false }`
[INFO] [stdout] d10e3f9492ee93104c9c466149fd2b876ea53a0e6aed0fe72de31c5d40bcf20d