[INFO] cloning repository https://github.com/emmgame221/advent-2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emmgame221/advent-2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femmgame221%2Fadvent-2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femmgame221%2Fadvent-2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1b638d4778aadcc47ff57a1ebfd8a18742f3ef92
[INFO] linting emmgame221/advent-2021 against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femmgame221%2Fadvent-2021" "/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/emmgame221/advent-2021
[INFO] finished tweaking git repo https://github.com/emmgame221/advent-2021
[INFO] tweaked toml for git repo https://github.com/emmgame221/advent-2021 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/emmgame221/advent-2021 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/emmgame221/advent-2021 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded priority-queue v1.2.1
[INFO] [stderr]   Downloaded clap v2.33.4
[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] 42d491326e4604b86db28c5c66fc8a5da3b8a60dcd2cd8e3ad4335f795513597
[INFO] running `Command { std: "docker" "start" "-a" "42d491326e4604b86db28c5c66fc8a5da3b8a60dcd2cd8e3ad4335f795513597", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42d491326e4604b86db28c5c66fc8a5da3b8a60dcd2cd8e3ad4335f795513597", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42d491326e4604b86db28c5c66fc8a5da3b8a60dcd2cd8e3ad4335f795513597", kill_on_drop: false }`
[INFO] [stdout] 42d491326e4604b86db28c5c66fc8a5da3b8a60dcd2cd8e3ad4335f795513597
[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] 586112a9c43b4430d7c1f59a8cdf19834c49c73c61eefc7f14def00db9811896
[INFO] running `Command { std: "docker" "start" "-a" "586112a9c43b4430d7c1f59a8cdf19834c49c73c61eefc7f14def00db9811896", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling priority-queue v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking clap v2.33.4
[INFO] [stderr]     Checking advent-2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: useless conversion to the same type: `std::str::Split<'_, char>`
[INFO] [stdout]   --> src/problems/day4.rs:11:27
[INFO] [stdout]    |
[INFO] [stdout] 11 |       let draws: Vec<u16> = first
[INFO] [stdout]    |  ___________________________^
[INFO] [stdout] 12 | |         .trim()
[INFO] [stdout] 13 | |         .split(',')
[INFO] [stdout] 14 | |         .into_iter()
[INFO] [stdout]    | |____________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout]    = note: `#[warn(clippy::useless_conversion)]` on by default
[INFO] [stdout] help: consider removing `.into_iter()`
[INFO] [stdout]    |
[INFO] [stdout] 11 ~     let draws: Vec<u16> = first
[INFO] [stdout] 12 +         .trim()
[INFO] [stdout] 13 +         .split(',')
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: found call to `str::trim` before `str::split_whitespace`
[INFO] [stdout]   --> src/problems/day4.rs:79:40
[INFO] [stdout]    |
[INFO] [stdout] 79 |             let nums: Vec<&str> = line.trim().split_whitespace().collect();
[INFO] [stdout]    |                                        ^^^^^^^ help: remove `trim()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trim_split_whitespace
[INFO] [stdout]    = note: `#[warn(clippy::trim_split_whitespace)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` has identical blocks
[INFO] [stdout]    --> src/problems/day9.rs:108:44
[INFO] [stdout]     |
[INFO] [stdout] 108 |       if y >= map.len() || x >= map[y].len() {
[INFO] [stdout]     |  ____________________________________________^
[INFO] [stdout] 109 | |         found.insert((x, y), true);
[INFO] [stdout] 110 | |         0
[INFO] [stdout] 111 | |     } else if map[y][x] == 9 {
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout] note: same as this
[INFO] [stdout]    --> src/problems/day9.rs:111:30
[INFO] [stdout]     |
[INFO] [stdout] 111 |       } else if map[y][x] == 9 {
[INFO] [stdout]     |  ______________________________^
[INFO] [stdout] 112 | |         found.insert((x, y), true);
[INFO] [stdout] 113 | |         0
[INFO] [stdout] 114 | |     } else {
[INFO] [stdout]     | |_____^
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#if_same_then_else
[INFO] [stdout]     = note: `#[warn(clippy::if_same_then_else)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to pop elements from a `Vec` in a loop
[INFO] [stdout]   --> src/problems/day10.rs:37:17
[INFO] [stdout]    |
[INFO] [stdout] 37 |                 let top = stack.pop().unwrap();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_while_let_some
[INFO] [stdout]    = note: `#[warn(clippy::manual_while_let_some)]` on by default
[INFO] [stdout] help: consider using a `while..let` loop
[INFO] [stdout]    |
[INFO] [stdout] 36 ~             while let Some(top) = stack.pop() {
[INFO] [stdout] 37 ~                 
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&mut Vec` instead of `&mut [_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/problems/day11.rs:32:21
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn sim_step(octopi: &mut Vec<Vec<usize>>) -> usize {
[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] 32 - fn sim_step(octopi: &mut Vec<Vec<usize>>) -> usize {
[INFO] [stdout] 32 + fn sim_step(octopi: &mut [Vec<usize>]) -> usize {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&mut Vec` instead of `&mut [_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/problems/day11.rs:69:24
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn sim_step_p2(octopi: &mut Vec<Vec<usize>>) -> 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] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 69 - fn sim_step_p2(octopi: &mut Vec<Vec<usize>>) -> bool {
[INFO] [stdout] 69 + fn sim_step_p2(octopi: &mut [Vec<usize>]) -> bool {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::str::Split<'_, char>`
[INFO] [stdout]   --> src/problems/day4.rs:11:27
[INFO] [stdout]    |
[INFO] [stdout] 11 |       let draws: Vec<u16> = first
[INFO] [stdout]    |  ___________________________^
[INFO] [stdout] 12 | |         .trim()
[INFO] [stdout] 13 | |         .split(',')
[INFO] [stdout] 14 | |         .into_iter()
[INFO] [stdout]    | |____________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout]    = note: `#[warn(clippy::useless_conversion)]` on by default
[INFO] [stdout] help: consider removing `.into_iter()`
[INFO] [stdout]    |
[INFO] [stdout] 11 ~     let draws: Vec<u16> = first
[INFO] [stdout] 12 +         .trim()
[INFO] [stdout] 13 +         .split(',')
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: found call to `str::trim` before `str::split_whitespace`
[INFO] [stdout]   --> src/problems/day4.rs:79:40
[INFO] [stdout]    |
[INFO] [stdout] 79 |             let nums: Vec<&str> = line.trim().split_whitespace().collect();
[INFO] [stdout]    |                                        ^^^^^^^ help: remove `trim()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trim_split_whitespace
[INFO] [stdout]    = note: `#[warn(clippy::trim_split_whitespace)]` 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]    --> src/problems/day11.rs:105:25
[INFO] [stdout]     |
[INFO] [stdout] 105 | fn print_octopi(octopi: &Vec<Vec<usize>>) {
[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] help: change this to
[INFO] [stdout]     |
[INFO] [stdout] 105 - fn print_octopi(octopi: &Vec<Vec<usize>>) {
[INFO] [stdout] 105 + fn print_octopi(octopi: &[Vec<usize>]) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `y` is only used to index `octopi`
[INFO] [stdout]    --> src/problems/day11.rs:106:14
[INFO] [stdout]     |
[INFO] [stdout] 106 |     for y in 0..10 {
[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] 106 -     for y in 0..10 {
[INFO] [stdout] 106 +     for <item> in octopi.iter().take(10) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `x` is only used to index `octopi`
[INFO] [stdout]    --> src/problems/day11.rs:107:18
[INFO] [stdout]     |
[INFO] [stdout] 107 |         for x in 0..10 {
[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] 107 -         for x in 0..10 {
[INFO] [stdout] 107 +         for <item> in octopi.iter().take(10) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/problems/day13.rs:21:19
[INFO] [stdout]    |
[INFO] [stdout] 21 |         } else if !(line == "") {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^ help: try: `(line != "")`
[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: comparison to empty slice
[INFO] [stdout]   --> src/problems/day13.rs:21:21
[INFO] [stdout]    |
[INFO] [stdout] 21 |         } else if !(line == "") {
[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#comparison_to_empty
[INFO] [stdout]    = note: `#[warn(clippy::comparison_to_empty)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::str::Split<'_, char>`
[INFO] [stdout]   --> src/problems/day13.rs:22:37
[INFO] [stdout]    |
[INFO] [stdout] 22 |             let parts: Vec<isize> = line.trim().split(',').into_iter().map(|s| s.parse().unwrap()).collect();
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `line.trim().split(',')`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is only used to index `folds`
[INFO] [stdout]   --> src/problems/day13.rs:28:14
[INFO] [stdout]    |
[INFO] [stdout] 28 |     for i in 1..folds.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] 28 -     for i in 1..folds.len() {
[INFO] [stdout] 28 +     for <item> in folds.iter().skip(1) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `.nth(0)` on a `std::iter::Iterator`, when `.next()` is equivalent
[INFO] [stdout]   --> src/problems/day14.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |             parts[0].chars().nth(0).unwrap() as u8,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^ help: try calling `.next()` instead of `.nth(0)`: `parts[0].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: called `.nth(0)` on a `std::iter::Iterator`, when `.next()` is equivalent
[INFO] [stdout]   --> src/problems/day14.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let c = parts[1].chars().nth(0).unwrap() as u8;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^ help: try calling `.next()` instead of `.nth(0)`: `parts[1].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] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/problems/day15.rs:18:16
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn part1(grid: &Vec<Vec<usize>>) -> usize {
[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] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 18 - fn part1(grid: &Vec<Vec<usize>>) -> usize {
[INFO] [stdout] 18 + fn part1(grid: &[Vec<usize>]) -> usize {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` has identical blocks
[INFO] [stdout]    --> src/problems/day9.rs:108:44
[INFO] [stdout]     |
[INFO] [stdout] 108 |       if y >= map.len() || x >= map[y].len() {
[INFO] [stdout]     |  ____________________________________________^
[INFO] [stdout] 109 | |         found.insert((x, y), true);
[INFO] [stdout] 110 | |         0
[INFO] [stdout] 111 | |     } else if map[y][x] == 9 {
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout] note: same as this
[INFO] [stdout]    --> src/problems/day9.rs:111:30
[INFO] [stdout]     |
[INFO] [stdout] 111 |       } else if map[y][x] == 9 {
[INFO] [stdout]     |  ______________________________^
[INFO] [stdout] 112 | |         found.insert((x, y), true);
[INFO] [stdout] 113 | |         0
[INFO] [stdout] 114 | |     } else {
[INFO] [stdout]     | |_____^
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#if_same_then_else
[INFO] [stdout]     = note: `#[warn(clippy::if_same_then_else)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to pop elements from a `Vec` in a loop
[INFO] [stdout]   --> src/problems/day10.rs:37:17
[INFO] [stdout]    |
[INFO] [stdout] 37 |                 let top = stack.pop().unwrap();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_while_let_some
[INFO] [stdout]    = note: `#[warn(clippy::manual_while_let_some)]` on by default
[INFO] [stdout] help: consider using a `while..let` loop
[INFO] [stdout]    |
[INFO] [stdout] 36 ~             while let Some(top) = stack.pop() {
[INFO] [stdout] 37 ~                 
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&mut Vec` instead of `&mut [_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/problems/day11.rs:32:21
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn sim_step(octopi: &mut Vec<Vec<usize>>) -> usize {
[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] 32 - fn sim_step(octopi: &mut Vec<Vec<usize>>) -> usize {
[INFO] [stdout] 32 + fn sim_step(octopi: &mut [Vec<usize>]) -> usize {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&mut Vec` instead of `&mut [_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/problems/day11.rs:69:24
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn sim_step_p2(octopi: &mut Vec<Vec<usize>>) -> 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] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 69 - fn sim_step_p2(octopi: &mut Vec<Vec<usize>>) -> bool {
[INFO] [stdout] 69 + fn sim_step_p2(octopi: &mut [Vec<usize>]) -> bool {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]    --> src/problems/day11.rs:105:25
[INFO] [stdout]     |
[INFO] [stdout] 105 | fn print_octopi(octopi: &Vec<Vec<usize>>) {
[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] help: change this to
[INFO] [stdout]     |
[INFO] [stdout] 105 - fn print_octopi(octopi: &Vec<Vec<usize>>) {
[INFO] [stdout] 105 + fn print_octopi(octopi: &[Vec<usize>]) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `y` is only used to index `octopi`
[INFO] [stdout]    --> src/problems/day11.rs:106:14
[INFO] [stdout]     |
[INFO] [stdout] 106 |     for y in 0..10 {
[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] 106 -     for y in 0..10 {
[INFO] [stdout] 106 +     for <item> in octopi.iter().take(10) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `x` is only used to index `octopi`
[INFO] [stdout]    --> src/problems/day11.rs:107:18
[INFO] [stdout]     |
[INFO] [stdout] 107 |         for x in 0..10 {
[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] 107 -         for x in 0..10 {
[INFO] [stdout] 107 +         for <item> in octopi.iter().take(10) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/problems/day13.rs:21:19
[INFO] [stdout]    |
[INFO] [stdout] 21 |         } else if !(line == "") {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^ help: try: `(line != "")`
[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: comparison to empty slice
[INFO] [stdout]   --> src/problems/day13.rs:21:21
[INFO] [stdout]    |
[INFO] [stdout] 21 |         } else if !(line == "") {
[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#comparison_to_empty
[INFO] [stdout]    = note: `#[warn(clippy::comparison_to_empty)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::str::Split<'_, char>`
[INFO] [stdout]   --> src/problems/day13.rs:22:37
[INFO] [stdout]    |
[INFO] [stdout] 22 |             let parts: Vec<isize> = line.trim().split(',').into_iter().map(|s| s.parse().unwrap()).collect();
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `line.trim().split(',')`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is only used to index `folds`
[INFO] [stdout]   --> src/problems/day13.rs:28:14
[INFO] [stdout]    |
[INFO] [stdout] 28 |     for i in 1..folds.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] 28 -     for i in 1..folds.len() {
[INFO] [stdout] 28 +     for <item> in folds.iter().skip(1) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `.nth(0)` on a `std::iter::Iterator`, when `.next()` is equivalent
[INFO] [stdout]   --> src/problems/day14.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |             parts[0].chars().nth(0).unwrap() as u8,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^ help: try calling `.next()` instead of `.nth(0)`: `parts[0].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: called `.nth(0)` on a `std::iter::Iterator`, when `.next()` is equivalent
[INFO] [stdout]   --> src/problems/day14.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let c = parts[1].chars().nth(0).unwrap() as u8;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^ help: try calling `.next()` instead of `.nth(0)`: `parts[1].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] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/problems/day15.rs:18:16
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn part1(grid: &Vec<Vec<usize>>) -> usize {
[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] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 18 - fn part1(grid: &Vec<Vec<usize>>) -> usize {
[INFO] [stdout] 18 + fn part1(grid: &[Vec<usize>]) -> usize {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.23s
[INFO] running `Command { std: "docker" "inspect" "586112a9c43b4430d7c1f59a8cdf19834c49c73c61eefc7f14def00db9811896", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "586112a9c43b4430d7c1f59a8cdf19834c49c73c61eefc7f14def00db9811896", kill_on_drop: false }`
[INFO] [stdout] 586112a9c43b4430d7c1f59a8cdf19834c49c73c61eefc7f14def00db9811896