[INFO] cloning repository https://github.com/poffomoe/aoc-2024
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/poffomoe/aoc-2024" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpoffomoe%2Faoc-2024", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpoffomoe%2Faoc-2024'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2ece4638a9f44c7195df03e8167154f591dc4f75
[INFO] linting poffomoe/aoc-2024 against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpoffomoe%2Faoc-2024" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/poffomoe/aoc-2024
[INFO] finished tweaking git repo https://github.com/poffomoe/aoc-2024
[INFO] tweaked toml for git repo https://github.com/poffomoe/aoc-2024 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/poffomoe/aoc-2024 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/poffomoe/aoc-2024 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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] dab286d9580f1070639f7f5985830db86958916e435fcb40d1b9d4b833a53939
[INFO] running `Command { std: "docker" "start" "-a" "dab286d9580f1070639f7f5985830db86958916e435fcb40d1b9d4b833a53939", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dab286d9580f1070639f7f5985830db86958916e435fcb40d1b9d4b833a53939", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dab286d9580f1070639f7f5985830db86958916e435fcb40d1b9d4b833a53939", kill_on_drop: false }`
[INFO] [stdout] dab286d9580f1070639f7f5985830db86958916e435fcb40d1b9d4b833a53939
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 4b3d65d6dc9e38ee9f5b6d21ca283622eae81df0215ea921a8aec8dfe6276037
[INFO] running `Command { std: "docker" "start" "-a" "4b3d65d6dc9e38ee9f5b6d21ca283622eae81df0215ea921a8aec8dfe6276037", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking day_1 v0.1.0 (/opt/rustwide/workdir/day_1)
[INFO] [stderr]     Checking day_2 v0.1.0 (/opt/rustwide/workdir/day_2)
[INFO] [stderr]     Checking day_5 v0.1.0 (/opt/rustwide/workdir/day_5)
[INFO] [stderr]     Checking day_6 v0.1.0 (/opt/rustwide/workdir/day_6)
[INFO] [stderr]     Checking day_4 v0.1.0 (/opt/rustwide/workdir/day_4)
[INFO] [stdout] warning: the loop variable `i` is used to index `matrix`
[INFO] [stdout]   --> day_6/src/main.rs:22:14
[INFO] [stdout]    |
[INFO] [stdout] 22 |     for i in 0..matrix.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 and enumerate()
[INFO] [stdout]    |
[INFO] [stdout] 22 -     for i in 0..matrix.len() {
[INFO] [stdout] 22 +     for (i, <item>) in matrix.iter().enumerate() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `j` is used to index `matrix`
[INFO] [stdout]   --> day_6/src/main.rs:23:18
[INFO] [stdout]    |
[INFO] [stdout] 23 |         for j in 0..matrix[i].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] help: consider using an iterator and enumerate()
[INFO] [stdout]    |
[INFO] [stdout] 23 -         for j in 0..matrix[i].len() {
[INFO] [stdout] 23 +         for (j, <item>) in matrix.iter().enumerate().take(matrix[i].len()) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is used to index `matrix`
[INFO] [stdout]   --> day_6/src/main.rs:54:14
[INFO] [stdout]    |
[INFO] [stdout] 54 |     for i in 0..matrix.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] help: consider using an iterator and enumerate()
[INFO] [stdout]    |
[INFO] [stdout] 54 -     for i in 0..matrix.len() {
[INFO] [stdout] 54 +     for (i, <item>) in matrix.iter().enumerate() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `j` is used to index `matrix`
[INFO] [stdout]   --> day_6/src/main.rs:55:18
[INFO] [stdout]    |
[INFO] [stdout] 55 |         for j in 0..matrix[i].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] help: consider using an iterator and enumerate()
[INFO] [stdout]    |
[INFO] [stdout] 55 -         for j in 0..matrix[i].len() {
[INFO] [stdout] 55 +         for (j, <item>) in matrix.iter().enumerate().take(matrix[i].len()) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded unit return type
[INFO] [stdout]   --> day_6/src/main.rs:67:55
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn part_2(contents: &str, marked: Vec<(usize, usize)>) -> () {
[INFO] [stdout]    |                                                       ^^^^^^ help: remove the `-> ()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stdout]    = note: `#[warn(clippy::unused_unit)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is used to index `matrix`
[INFO] [stdout]   --> day_6/src/main.rs:78:14
[INFO] [stdout]    |
[INFO] [stdout] 78 |     for i in 0..matrix.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] help: consider using an iterator and enumerate()
[INFO] [stdout]    |
[INFO] [stdout] 78 -     for i in 0..matrix.len() {
[INFO] [stdout] 78 +     for (i, <item>) in matrix.iter().enumerate() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `j` is used to index `matrix`
[INFO] [stdout]   --> day_6/src/main.rs:79:18
[INFO] [stdout]    |
[INFO] [stdout] 79 |         for j in 0..matrix[i].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] help: consider using an iterator and enumerate()
[INFO] [stdout]    |
[INFO] [stdout] 79 -         for j in 0..matrix[i].len() {
[INFO] [stdout] 79 +         for (j, <item>) in matrix.iter().enumerate().take(matrix[i].len()) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant pattern matching, consider using `is_some()`
[INFO] [stdout]    --> day_6/src/main.rs:108:24
[INFO] [stdout]     |
[INFO] [stdout] 108 |                 if let Some(_) = visited
[INFO] [stdout]     |                        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stdout]     = note: `#[warn(clippy::redundant_pattern_matching)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 108 ~                 if visited
[INFO] [stdout] 109 +                     .iter()
[INFO] [stdout] 110 +                     .find(|&&x| x == (current_dir, (next_pos_i, next_pos_j))).is_some()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> day_4/src/main.rs:73:28
[INFO] [stdout]    |
[INFO] [stdout] 73 |                           if !(matrix[i + (DIRECTIONS[dir].0 as usize * a)]
[INFO] [stdout]    |  ____________________________^
[INFO] [stdout] 74 | |                             [j + (DIRECTIONS[dir].1 as usize * a)]
[INFO] [stdout] 75 | |                             == ORDER[a - 1])
[INFO] [stdout]    | |____________________________________________^
[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] help: try
[INFO] [stdout]    |
[INFO] [stdout] 73 ~                         if (matrix[i + (DIRECTIONS[dir].0 as usize * a)]
[INFO] [stdout] 74 +                             [j + (DIRECTIONS[dir].1 as usize * a)] != ORDER[a - 1])
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded unit return type
[INFO] [stdout]   --> day_4/src/main.rs:11:26
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn part_1(contents: &str) -> () {
[INFO] [stdout]    |                          ^^^^^^ help: remove the `-> ()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stdout]    = note: `#[warn(clippy::unused_unit)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded unit return type
[INFO] [stdout]   --> day_4/src/main.rs:92:26
[INFO] [stdout]    |
[INFO] [stdout] 92 | fn part_2(contents: &str) -> () {
[INFO] [stdout]    |                          ^^^^^^ help: remove the `-> ()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is used to index `matrix`
[INFO] [stdout]   --> day_6/src/main.rs:22:14
[INFO] [stdout]    |
[INFO] [stdout] 22 |     for i in 0..matrix.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 and enumerate()
[INFO] [stdout]    |
[INFO] [stdout] 22 -     for i in 0..matrix.len() {
[INFO] [stdout] 22 +     for (i, <item>) in matrix.iter().enumerate() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `j` is used to index `matrix`
[INFO] [stdout]   --> day_6/src/main.rs:23:18
[INFO] [stdout]    |
[INFO] [stdout] 23 |         for j in 0..matrix[i].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] help: consider using an iterator and enumerate()
[INFO] [stdout]    |
[INFO] [stdout] 23 -         for j in 0..matrix[i].len() {
[INFO] [stdout] 23 +         for (j, <item>) in matrix.iter().enumerate().take(matrix[i].len()) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is used to index `matrix`
[INFO] [stdout]   --> day_6/src/main.rs:54:14
[INFO] [stdout]    |
[INFO] [stdout] 54 |     for i in 0..matrix.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] help: consider using an iterator and enumerate()
[INFO] [stdout]    |
[INFO] [stdout] 54 -     for i in 0..matrix.len() {
[INFO] [stdout] 54 +     for (i, <item>) in matrix.iter().enumerate() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `j` is used to index `matrix`
[INFO] [stdout]   --> day_6/src/main.rs:55:18
[INFO] [stdout]    |
[INFO] [stdout] 55 |         for j in 0..matrix[i].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] help: consider using an iterator and enumerate()
[INFO] [stdout]    |
[INFO] [stdout] 55 -         for j in 0..matrix[i].len() {
[INFO] [stdout] 55 +         for (j, <item>) in matrix.iter().enumerate().take(matrix[i].len()) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded unit return type
[INFO] [stdout]   --> day_6/src/main.rs:67:55
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn part_2(contents: &str, marked: Vec<(usize, usize)>) -> () {
[INFO] [stdout]    |                                                       ^^^^^^ help: remove the `-> ()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stdout]    = note: `#[warn(clippy::unused_unit)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is used to index `matrix`
[INFO] [stdout]   --> day_6/src/main.rs:78:14
[INFO] [stdout]    |
[INFO] [stdout] 78 |     for i in 0..matrix.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] help: consider using an iterator and enumerate()
[INFO] [stdout]    |
[INFO] [stdout] 78 -     for i in 0..matrix.len() {
[INFO] [stdout] 78 +     for (i, <item>) in matrix.iter().enumerate() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `j` is used to index `matrix`
[INFO] [stdout]   --> day_6/src/main.rs:79:18
[INFO] [stdout]    |
[INFO] [stdout] 79 |         for j in 0..matrix[i].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] help: consider using an iterator and enumerate()
[INFO] [stdout]    |
[INFO] [stdout] 79 -         for j in 0..matrix[i].len() {
[INFO] [stdout] 79 +         for (j, <item>) in matrix.iter().enumerate().take(matrix[i].len()) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant pattern matching, consider using `is_some()`
[INFO] [stdout]    --> day_6/src/main.rs:108:24
[INFO] [stdout]     |
[INFO] [stdout] 108 |                 if let Some(_) = visited
[INFO] [stdout]     |                        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stdout]     = note: `#[warn(clippy::redundant_pattern_matching)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 108 ~                 if visited
[INFO] [stdout] 109 +                     .iter()
[INFO] [stdout] 110 +                     .find(|&&x| x == (current_dir, (next_pos_i, next_pos_j))).is_some()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded unit return type
[INFO] [stdout]   --> day_1/src/main.rs:11:26
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn part_1(contents: &str) -> () {
[INFO] [stdout]    |                          ^^^^^^ help: remove the `-> ()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stdout]    = note: `#[warn(clippy::unused_unit)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded unit return type
[INFO] [stdout]   --> day_1/src/main.rs:34:26
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn part_2(contents: &str) -> () {
[INFO] [stdout]    |                          ^^^^^^ help: remove the `-> ()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded unit return type
[INFO] [stdout]   --> day_2/src/main.rs:12:26
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn part_1(contents: &str) -> () {
[INFO] [stdout]    |                          ^^^^^^ help: remove the `-> ()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stdout]    = note: `#[warn(clippy::unused_unit)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> day_2/src/main.rs:50:18
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn is_safe(nums: &Vec<i32>) -> bool {
[INFO] [stdout]    |                  ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout]    = note: `#[warn(clippy::ptr_arg)]` on by default
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 50 - fn is_safe(nums: &Vec<i32>) -> bool {
[INFO] [stdout] 50 + fn is_safe(nums: &[i32]) -> bool {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> day_2/src/main.rs:67:16
[INFO] [stdout]    |
[INFO] [stdout] 67 |     if is_safe(&nums) {
[INFO] [stdout]    |                ^^^^^ help: change this to: `nums`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]    = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> day_4/src/main.rs:73:28
[INFO] [stdout]    |
[INFO] [stdout] 73 |                           if !(matrix[i + (DIRECTIONS[dir].0 as usize * a)]
[INFO] [stdout]    |  ____________________________^
[INFO] [stdout] 74 | |                             [j + (DIRECTIONS[dir].1 as usize * a)]
[INFO] [stdout] 75 | |                             == ORDER[a - 1])
[INFO] [stdout]    | |____________________________________________^
[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] help: try
[INFO] [stdout]    |
[INFO] [stdout] 73 ~                         if (matrix[i + (DIRECTIONS[dir].0 as usize * a)]
[INFO] [stdout] 74 +                             [j + (DIRECTIONS[dir].1 as usize * a)] != ORDER[a - 1])
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded unit return type
[INFO] [stdout]   --> day_4/src/main.rs:11:26
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn part_1(contents: &str) -> () {
[INFO] [stdout]    |                          ^^^^^^ help: remove the `-> ()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stdout]    = note: `#[warn(clippy::unused_unit)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded unit return type
[INFO] [stdout]   --> day_4/src/main.rs:92:26
[INFO] [stdout]    |
[INFO] [stdout] 92 | fn part_2(contents: &str) -> () {
[INFO] [stdout]    |                          ^^^^^^ help: remove the `-> ()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded unit return type
[INFO] [stdout]   --> day_1/src/main.rs:11:26
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn part_1(contents: &str) -> () {
[INFO] [stdout]    |                          ^^^^^^ help: remove the `-> ()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stdout]    = note: `#[warn(clippy::unused_unit)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded unit return type
[INFO] [stdout]   --> day_1/src/main.rs:34:26
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn part_2(contents: &str) -> () {
[INFO] [stdout]    |                          ^^^^^^ help: remove the `-> ()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded unit return type
[INFO] [stdout]   --> day_5/src/main.rs:11:26
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn part_1(contents: &str) -> () {
[INFO] [stdout]    |                          ^^^^^^ help: remove the `-> ()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stdout]    = note: `#[warn(clippy::unused_unit)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `idx_2` is only used to index `pages`
[INFO] [stdout]   --> day_5/src/main.rs:43:26
[INFO] [stdout]    |
[INFO] [stdout] 43 |             for idx_2 in (idx + 1)..pages.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] 43 -             for idx_2 in (idx + 1)..pages.len() {
[INFO] [stdout] 43 +             for <item> in pages.iter().skip((idx + 1)) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant pattern matching, consider using `is_none()`
[INFO] [stdout]   --> day_5/src/main.rs:45:24
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 if let None = rules.iter().find(|x| (x[0] == num) && (x[1] == num_2)) {
[INFO] [stdout]    |                 -------^^^^---------------------------------------------------------- help: try: `if rules.iter().find(|x| (x[0] == num) && (x[1] == num_2)).is_none()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stdout]    = note: `#[warn(clippy::redundant_pattern_matching)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded unit return type
[INFO] [stdout]   --> day_5/src/main.rs:57:26
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn part_2(contents: &str) -> () {
[INFO] [stdout]    |                          ^^^^^^ help: remove the `-> ()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `idx_2` is only used to index `pages`
[INFO] [stdout]   --> day_5/src/main.rs:91:26
[INFO] [stdout]    |
[INFO] [stdout] 91 |             for idx_2 in (idx + 1)..pages.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] help: consider using an iterator
[INFO] [stdout]    |
[INFO] [stdout] 91 -             for idx_2 in (idx + 1)..pages.len() {
[INFO] [stdout] 91 +             for <item> in pages.iter().skip((idx + 1)) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant pattern matching, consider using `is_none()`
[INFO] [stdout]   --> day_5/src/main.rs:93:24
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 if let None = rules.iter().find(|x| (x[0] == num) && (x[1] == num_2)) {
[INFO] [stdout]    |                 -------^^^^---------------------------------------------------------- help: try: `if rules.iter().find(|x| (x[0] == num) && (x[1] == num_2)).is_none()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant pattern matching, consider using `is_some()`
[INFO] [stdout]    --> day_5/src/main.rs:103:24
[INFO] [stdout]     |
[INFO] [stdout] 103 |                 if let Some(_) = rules.iter().find(|&num| *num == Vec::from([a, b])) {
[INFO] [stdout]     |                 -------^^^^^^^------------------------------------------------------ help: try: `if rules.iter().find(|&num| *num == Vec::from([a, b])).is_some()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this creates an owned instance just for comparison
[INFO] [stdout]    --> day_5/src/main.rs:103:59
[INFO] [stdout]     |
[INFO] [stdout] 103 |                 if let Some(_) = rules.iter().find(|&num| *num == Vec::from([a, b])) {
[INFO] [stdout]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^ try implementing the comparison without allocating
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stdout]     = note: `#[warn(clippy::cmp_owned)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded unit return type
[INFO] [stdout]   --> day_2/src/main.rs:12:26
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn part_1(contents: &str) -> () {
[INFO] [stdout]    |                          ^^^^^^ help: remove the `-> ()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stdout]    = note: `#[warn(clippy::unused_unit)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> day_2/src/main.rs:50:18
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn is_safe(nums: &Vec<i32>) -> bool {
[INFO] [stdout]    |                  ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout]    = note: `#[warn(clippy::ptr_arg)]` on by default
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 50 - fn is_safe(nums: &Vec<i32>) -> bool {
[INFO] [stdout] 50 + fn is_safe(nums: &[i32]) -> bool {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> day_2/src/main.rs:67:16
[INFO] [stdout]    |
[INFO] [stdout] 67 |     if is_safe(&nums) {
[INFO] [stdout]    |                ^^^^^ help: change this to: `nums`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]    = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded unit return type
[INFO] [stdout]   --> day_5/src/main.rs:11:26
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn part_1(contents: &str) -> () {
[INFO] [stdout]    |                          ^^^^^^ help: remove the `-> ()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stdout]    = note: `#[warn(clippy::unused_unit)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `idx_2` is only used to index `pages`
[INFO] [stdout]   --> day_5/src/main.rs:43:26
[INFO] [stdout]    |
[INFO] [stdout] 43 |             for idx_2 in (idx + 1)..pages.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] 43 -             for idx_2 in (idx + 1)..pages.len() {
[INFO] [stdout] 43 +             for <item> in pages.iter().skip((idx + 1)) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant pattern matching, consider using `is_none()`
[INFO] [stdout]   --> day_5/src/main.rs:45:24
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 if let None = rules.iter().find(|x| (x[0] == num) && (x[1] == num_2)) {
[INFO] [stdout]    |                 -------^^^^---------------------------------------------------------- help: try: `if rules.iter().find(|x| (x[0] == num) && (x[1] == num_2)).is_none()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stdout]    = note: `#[warn(clippy::redundant_pattern_matching)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded unit return type
[INFO] [stdout]   --> day_5/src/main.rs:57:26
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn part_2(contents: &str) -> () {
[INFO] [stdout]    |                          ^^^^^^ help: remove the `-> ()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `idx_2` is only used to index `pages`
[INFO] [stdout]   --> day_5/src/main.rs:91:26
[INFO] [stdout]    |
[INFO] [stdout] 91 |             for idx_2 in (idx + 1)..pages.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] help: consider using an iterator
[INFO] [stdout]    |
[INFO] [stdout] 91 -             for idx_2 in (idx + 1)..pages.len() {
[INFO] [stdout] 91 +             for <item> in pages.iter().skip((idx + 1)) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant pattern matching, consider using `is_none()`
[INFO] [stdout]   --> day_5/src/main.rs:93:24
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 if let None = rules.iter().find(|x| (x[0] == num) && (x[1] == num_2)) {
[INFO] [stdout]    |                 -------^^^^---------------------------------------------------------- help: try: `if rules.iter().find(|x| (x[0] == num) && (x[1] == num_2)).is_none()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant pattern matching, consider using `is_some()`
[INFO] [stdout]    --> day_5/src/main.rs:103:24
[INFO] [stdout]     |
[INFO] [stdout] 103 |                 if let Some(_) = rules.iter().find(|&num| *num == Vec::from([a, b])) {
[INFO] [stdout]     |                 -------^^^^^^^------------------------------------------------------ help: try: `if rules.iter().find(|&num| *num == Vec::from([a, b])).is_some()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this creates an owned instance just for comparison
[INFO] [stdout]    --> day_5/src/main.rs:103:59
[INFO] [stdout]     |
[INFO] [stdout] 103 |                 if let Some(_) = rules.iter().find(|&num| *num == Vec::from([a, b])) {
[INFO] [stdout]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^ try implementing the comparison without allocating
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stdout]     = note: `#[warn(clippy::cmp_owned)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking day_3 v0.1.0 (/opt/rustwide/workdir/day_3)
[INFO] [stdout] warning: unneeded unit return type
[INFO] [stdout]   --> day_3/src/main.rs:13:26
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn part_1(contents: &str) -> () {
[INFO] [stdout]    |                          ^^^^^^ help: remove the `-> ()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stdout]    = note: `#[warn(clippy::unused_unit)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded unit return type
[INFO] [stdout]   --> day_3/src/main.rs:13:26
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn part_1(contents: &str) -> () {
[INFO] [stdout]    |                          ^^^^^^ help: remove the `-> ()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stdout]    = note: `#[warn(clippy::unused_unit)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> day_3/src/main.rs:17:37
[INFO] [stdout]    |
[INFO] [stdout] 17 |     for capture in re.captures_iter(&contents) {
[INFO] [stdout]    |                                     ^^^^^^^^^ help: change this to: `contents`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]    = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded unit return type
[INFO] [stdout]   --> day_3/src/main.rs:30:26
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn part_2(contents: &str) -> () {
[INFO] [stdout]    |                          ^^^^^^ help: remove the `-> ()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> day_3/src/main.rs:17:37
[INFO] [stdout]    |
[INFO] [stdout] 17 |     for capture in re.captures_iter(&contents) {
[INFO] [stdout]    |                                     ^^^^^^^^^ help: change this to: `contents`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]    = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded unit return type
[INFO] [stdout]   --> day_3/src/main.rs:30:26
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn part_2(contents: &str) -> () {
[INFO] [stdout]    |                          ^^^^^^ help: remove the `-> ()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> day_3/src/main.rs:35:37
[INFO] [stdout]    |
[INFO] [stdout] 35 |     for capture in re.captures_iter(&contents) {
[INFO] [stdout]    |                                     ^^^^^^^^^ help: change this to: `contents`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> day_3/src/main.rs:35:37
[INFO] [stdout]    |
[INFO] [stdout] 35 |     for capture in re.captures_iter(&contents) {
[INFO] [stdout]    |                                     ^^^^^^^^^ help: change this to: `contents`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.95s
[INFO] running `Command { std: "docker" "inspect" "4b3d65d6dc9e38ee9f5b6d21ca283622eae81df0215ea921a8aec8dfe6276037", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b3d65d6dc9e38ee9f5b6d21ca283622eae81df0215ea921a8aec8dfe6276037", kill_on_drop: false }`
[INFO] [stdout] 4b3d65d6dc9e38ee9f5b6d21ca283622eae81df0215ea921a8aec8dfe6276037