[INFO] cloning repository https://github.com/tomatih/AdventOfCode2025
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tomatih/AdventOfCode2025" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomatih%2FAdventOfCode2025", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomatih%2FAdventOfCode2025'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d1d45d0d50d5ee4089a3d1fa59ef4961a79b5287
[INFO] linting tomatih/AdventOfCode2025 against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomatih%2FAdventOfCode2025" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tomatih/AdventOfCode2025
[INFO] finished tweaking git repo https://github.com/tomatih/AdventOfCode2025
[INFO] tweaked toml for git repo https://github.com/tomatih/AdventOfCode2025 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tomatih/AdventOfCode2025 on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tomatih/AdventOfCode2025 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" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 221f5c7e47165901b05d5f4ec2b2059c1a50d1a150ad6a856160628b5dfb52ec
[INFO] running `Command { std: "docker" "start" "-a" "221f5c7e47165901b05d5f4ec2b2059c1a50d1a150ad6a856160628b5dfb52ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "221f5c7e47165901b05d5f4ec2b2059c1a50d1a150ad6a856160628b5dfb52ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "221f5c7e47165901b05d5f4ec2b2059c1a50d1a150ad6a856160628b5dfb52ec", kill_on_drop: false }`
[INFO] [stdout] 221f5c7e47165901b05d5f4ec2b2059c1a50d1a150ad6a856160628b5dfb52ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99b5166e5302c53dd5e94c7713c3205c7ef70de25f82732a58d9efa2ec9f06fe
[INFO] running `Command { std: "docker" "start" "-a" "99b5166e5302c53dd5e94c7713c3205c7ef70de25f82732a58d9efa2ec9f06fe", kill_on_drop: false }`
[INFO] [stderr]     Checking advent_of_code_2025 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the loop variable `k` is only used to index `max_arr`
[INFO] [stdout]   --> src/Day3/part2.rs:18:30
[INFO] [stdout]    |
[INFO] [stdout] 18 |                     for k in (j + 1)..max_arr.len() {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout]    = note: `#[warn(clippy::needless_range_loop)]` on by default
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]    |
[INFO] [stdout] 18 -                     for k in (j + 1)..max_arr.len() {
[INFO] [stdout] 18 +                     for <item> in max_arr.iter_mut().skip((j + 1)) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/Day6/part1.rs:20:33
[INFO] [stdout]    |
[INFO] [stdout] 20 |                     .filter(|p| p.len() > 0)
[INFO] [stdout]    |                                 ^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!p.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout]    = note: `#[warn(clippy::len_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/Day6/part1.rs:33:29
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 .filter(|p| p.len() > 0)
[INFO] [stdout]    |                             ^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!p.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/Day6/part1.rs:38:16
[INFO] [stdout]    |
[INFO] [stdout] 38 |             if input.len() == 0 {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `input.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/Day6/part2.rs:21:33
[INFO] [stdout]    |
[INFO] [stdout] 21 |                     .filter(|p| p.len() > 0)
[INFO] [stdout]    |                                 ^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!p.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout]    = note: `#[warn(clippy::len_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/Day2/part2.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     return out;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 20 -     return out;
[INFO] [stdout] 20 +     out
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of `.is_multiple_of()`
[INFO] [stdout]   --> src/Day2/part2.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |         if val % i == 0 {
[INFO] [stdout]    |            ^^^^^^^^^^^^ help: replace with: `val.is_multiple_of(i)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_is_multiple_of
[INFO] [stdout]    = note: `#[warn(clippy::manual_is_multiple_of)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/Day2/part2.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     return out;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 30 -     return out;
[INFO] [stdout] 30 +     out
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/Day2/part2.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     return out;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 20 -     return out;
[INFO] [stdout] 20 +     out
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of `.is_multiple_of()`
[INFO] [stdout]   --> src/Day2/part2.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |         if val % i == 0 {
[INFO] [stdout]    |            ^^^^^^^^^^^^ help: replace with: `val.is_multiple_of(i)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_is_multiple_of
[INFO] [stdout]    = note: `#[warn(clippy::manual_is_multiple_of)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/Day2/part2.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     return out;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 30 -     return out;
[INFO] [stdout] 30 +     out
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]   --> src/Day4/part1.rs:35:21
[INFO] [stdout]    |
[INFO] [stdout] 35 | /                     if let Some(row) = world_map.get((y as isize + dy) as usize) {
[INFO] [stdout] 36 | |                         if let Some(val) = row.get((x as isize + dx) as usize) {
[INFO] [stdout] 37 | |                             accum += val;
[INFO] [stdout] 38 | |                         }
[INFO] [stdout] 39 | |                     }
[INFO] [stdout]    | |_____________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout]    = note: `#[warn(clippy::collapsible_if)]` on by default
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]    |
[INFO] [stdout] 35 ~                     if let Some(row) = world_map.get((y as isize + dy) as usize)
[INFO] [stdout] 36 ~                         && let Some(val) = row.get((x as isize + dx) as usize) {
[INFO] [stdout] 37 |                             accum += val;
[INFO] [stdout] 38 ~                         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `.nth(0)` on a `std::iter::Iterator`, when `.next()` is equivalent
[INFO] [stdout]   --> src/Day1/part2.rs:16:25
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let direction = line.chars().nth(0).unwrap();
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^ help: try calling `.next()` instead of `.nth(0)`: `line.chars().next()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_nth_zero
[INFO] [stdout]    = note: `#[warn(clippy::iter_nth_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: immediately dereferencing a reference
[INFO] [stdout]   --> src/Day1/part2.rs:17:22
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let amount = *(&line[1..].parse::<i32>()?);
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `line[1..].parse::<i32>()?`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#deref_addrof
[INFO] [stdout]    = note: `#[warn(clippy::deref_addrof)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `.iter().nth()` on a `Vec`
[INFO] [stdout]   --> src/Day7/part1.rs:40:19
[INFO] [stdout]    |
[INFO] [stdout] 40 |             match column.iter().nth(pos).unwrap() {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_nth
[INFO] [stdout]    = note: `#[warn(clippy::iter_nth)]` on by default
[INFO] [stdout] help: `get` is equivalent but more concise
[INFO] [stdout]    |
[INFO] [stdout] 40 -             match column.iter().nth(pos).unwrap() {
[INFO] [stdout] 40 +             match column.get(pos).unwrap() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/Day5/part2.rs:31:16
[INFO] [stdout]    |
[INFO] [stdout] 31 |             if !(ranges[i + 1].end() <= ranges[i].end()) {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(ranges[i + 1].end() > ranges[i].end())`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/Day5/part2.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |         if line.len() == 0 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `line.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout]    = note: `#[warn(clippy::len_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/Day6/part1.rs:20:33
[INFO] [stdout]    |
[INFO] [stdout] 20 |                     .filter(|p| p.len() > 0)
[INFO] [stdout]    |                                 ^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!p.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout]    = note: `#[warn(clippy::len_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/Day6/part1.rs:33:29
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 .filter(|p| p.len() > 0)
[INFO] [stdout]    |                             ^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!p.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/Day6/part1.rs:38:16
[INFO] [stdout]    |
[INFO] [stdout] 38 |             if input.len() == 0 {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `input.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/Day6/part2.rs:21:33
[INFO] [stdout]    |
[INFO] [stdout] 21 |                     .filter(|p| p.len() > 0)
[INFO] [stdout]    |                                 ^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!p.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout]    = note: `#[warn(clippy::len_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `.iter().nth()` on a `Vec`
[INFO] [stdout]   --> src/Day7/part2.rs:48:19
[INFO] [stdout]    |
[INFO] [stdout] 48 |             match column.iter().nth(ray.pos).unwrap() {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_nth
[INFO] [stdout]    = note: `#[warn(clippy::iter_nth)]` on by default
[INFO] [stdout] help: `get` is equivalent but more concise
[INFO] [stdout]    |
[INFO] [stdout] 48 -             match column.iter().nth(ray.pos).unwrap() {
[INFO] [stdout] 48 +             match column.get(ray.pos).unwrap() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `.iter().nth()` on a `Vec`
[INFO] [stdout]   --> src/Day7/part2.rs:48:19
[INFO] [stdout]    |
[INFO] [stdout] 48 |             match column.iter().nth(ray.pos).unwrap() {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_nth
[INFO] [stdout]    = note: `#[warn(clippy::iter_nth)]` on by default
[INFO] [stdout] help: `get` is equivalent but more concise
[INFO] [stdout]    |
[INFO] [stdout] 48 -             match column.iter().nth(ray.pos).unwrap() {
[INFO] [stdout] 48 +             match column.get(ray.pos).unwrap() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/Day4/part2.rs:24:11
[INFO] [stdout]    |
[INFO] [stdout] 24 |     while local_accum.len() != 0 {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!local_accum.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout]    = note: `#[warn(clippy::len_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]   --> src/Day4/part2.rs:40:25
[INFO] [stdout]    |
[INFO] [stdout] 40 | /                         if let Some(row) = world_map.get((y as isize + dy) as usize) {
[INFO] [stdout] 41 | |                             if let Some(val) = row.get((x as isize + dx) as usize) {
[INFO] [stdout] 42 | |                                 accum += val;
[INFO] [stdout] 43 | |                             }
[INFO] [stdout] 44 | |                         }
[INFO] [stdout]    | |_________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout]    = note: `#[warn(clippy::collapsible_if)]` on by default
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]    |
[INFO] [stdout] 40 ~                         if let Some(row) = world_map.get((y as isize + dy) as usize)
[INFO] [stdout] 41 ~                             && let Some(val) = row.get((x as isize + dx) as usize) {
[INFO] [stdout] 42 |                                 accum += val;
[INFO] [stdout] 43 ~                             }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]   --> src/Day4/part1.rs:35:21
[INFO] [stdout]    |
[INFO] [stdout] 35 | /                     if let Some(row) = world_map.get((y as isize + dy) as usize) {
[INFO] [stdout] 36 | |                         if let Some(val) = row.get((x as isize + dx) as usize) {
[INFO] [stdout] 37 | |                             accum += val;
[INFO] [stdout] 38 | |                         }
[INFO] [stdout] 39 | |                     }
[INFO] [stdout]    | |_____________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout]    = note: `#[warn(clippy::collapsible_if)]` on by default
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]    |
[INFO] [stdout] 35 ~                     if let Some(row) = world_map.get((y as isize + dy) as usize)
[INFO] [stdout] 36 ~                         && let Some(val) = row.get((x as isize + dx) as usize) {
[INFO] [stdout] 37 |                             accum += val;
[INFO] [stdout] 38 ~                         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `.nth(0)` on a `std::iter::Iterator`, when `.next()` is equivalent
[INFO] [stdout]   --> src/Day1/part1.rs:16:25
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let direction = line.chars().nth(0).unwrap();
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^ help: try calling `.next()` instead of `.nth(0)`: `line.chars().next()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_nth_zero
[INFO] [stdout]    = note: `#[warn(clippy::iter_nth_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/Day4/part2.rs:24:11
[INFO] [stdout]    |
[INFO] [stdout] 24 |     while local_accum.len() != 0 {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!local_accum.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout]    = note: `#[warn(clippy::len_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `.nth(0)` on a `std::iter::Iterator`, when `.next()` is equivalent
[INFO] [stdout]   --> src/Day1/part2.rs:16:25
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let direction = line.chars().nth(0).unwrap();
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^ help: try calling `.next()` instead of `.nth(0)`: `line.chars().next()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_nth_zero
[INFO] [stdout]    = note: `#[warn(clippy::iter_nth_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: immediately dereferencing a reference
[INFO] [stdout]   --> src/Day1/part2.rs:17:22
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let amount = *(&line[1..].parse::<i32>()?);
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `line[1..].parse::<i32>()?`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#deref_addrof
[INFO] [stdout]    = note: `#[warn(clippy::deref_addrof)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]   --> src/Day4/part2.rs:40:25
[INFO] [stdout]    |
[INFO] [stdout] 40 | /                         if let Some(row) = world_map.get((y as isize + dy) as usize) {
[INFO] [stdout] 41 | |                             if let Some(val) = row.get((x as isize + dx) as usize) {
[INFO] [stdout] 42 | |                                 accum += val;
[INFO] [stdout] 43 | |                             }
[INFO] [stdout] 44 | |                         }
[INFO] [stdout]    | |_________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout]    = note: `#[warn(clippy::collapsible_if)]` on by default
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]    |
[INFO] [stdout] 40 ~                         if let Some(row) = world_map.get((y as isize + dy) as usize)
[INFO] [stdout] 41 ~                             && let Some(val) = row.get((x as isize + dx) as usize) {
[INFO] [stdout] 42 |                                 accum += val;
[INFO] [stdout] 43 ~                             }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `.iter().nth()` on a `Vec`
[INFO] [stdout]   --> src/Day7/part1.rs:40:19
[INFO] [stdout]    |
[INFO] [stdout] 40 |             match column.iter().nth(pos).unwrap() {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_nth
[INFO] [stdout]    = note: `#[warn(clippy::iter_nth)]` on by default
[INFO] [stdout] help: `get` is equivalent but more concise
[INFO] [stdout]    |
[INFO] [stdout] 40 -             match column.iter().nth(pos).unwrap() {
[INFO] [stdout] 40 +             match column.get(pos).unwrap() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `k` is only used to index `max_arr`
[INFO] [stdout]   --> src/Day3/part2.rs:18:30
[INFO] [stdout]    |
[INFO] [stdout] 18 |                     for k in (j + 1)..max_arr.len() {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout]    = note: `#[warn(clippy::needless_range_loop)]` on by default
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]    |
[INFO] [stdout] 18 -                     for k in (j + 1)..max_arr.len() {
[INFO] [stdout] 18 +                     for <item> in max_arr.iter_mut().skip((j + 1)) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/Day5/part1.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |         if line.len() == 0 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `line.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout]    = note: `#[warn(clippy::len_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/Day5/part2.rs:31:16
[INFO] [stdout]    |
[INFO] [stdout] 31 |             if !(ranges[i + 1].end() <= ranges[i].end()) {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(ranges[i + 1].end() > ranges[i].end())`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/Day5/part2.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |         if line.len() == 0 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `line.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout]    = note: `#[warn(clippy::len_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `.nth(0)` on a `std::iter::Iterator`, when `.next()` is equivalent
[INFO] [stdout]   --> src/Day1/part1.rs:16:25
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let direction = line.chars().nth(0).unwrap();
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^ help: try calling `.next()` instead of `.nth(0)`: `line.chars().next()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_nth_zero
[INFO] [stdout]    = note: `#[warn(clippy::iter_nth_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/Day5/part1.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |         if line.len() == 0 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `line.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout]    = note: `#[warn(clippy::len_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "99b5166e5302c53dd5e94c7713c3205c7ef70de25f82732a58d9efa2ec9f06fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99b5166e5302c53dd5e94c7713c3205c7ef70de25f82732a58d9efa2ec9f06fe", kill_on_drop: false }`
[INFO] [stdout] 99b5166e5302c53dd5e94c7713c3205c7ef70de25f82732a58d9efa2ec9f06fe