[INFO] cloning repository https://github.com/gitandy/AoC2015
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gitandy/AoC2015" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgitandy%2FAoC2015", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgitandy%2FAoC2015'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 66f00a87ca9db662b87822c75ca92d218a83c8f6
[INFO] linting gitandy/AoC2015 against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgitandy%2FAoC2015" "/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/gitandy/AoC2015
[INFO] finished tweaking git repo https://github.com/gitandy/AoC2015
[INFO] tweaked toml for git repo https://github.com/gitandy/AoC2015 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gitandy/AoC2015 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/gitandy/AoC2015 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded block-buffer v0.10.4
[INFO] [stderr]   Downloaded regex v1.12.2
[INFO] [stderr]   Downloaded digest v0.10.7
[INFO] [stderr]   Downloaded version_check v0.9.5
[INFO] [stderr]   Downloaded crypto-common v0.1.7
[INFO] [stderr]   Downloaded generic-array v0.14.7
[INFO] [stderr]   Downloaded aho-corasick v1.1.4
[INFO] [stderr]   Downloaded regex-syntax v0.8.8
[INFO] [stderr]   Downloaded regex-automata v0.4.13
[INFO] [stderr]   Downloaded cfg-if v1.0.4
[INFO] [stderr]   Downloaded md-5 v0.10.6
[INFO] [stderr]   Downloaded memchr v2.7.6
[INFO] [stderr]   Downloaded typenum v1.19.0
[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] 7aa9b95eb2ba8422e36cc85c5251b61c092d83d02d53272159ed129336781bce
[INFO] running `Command { std: "docker" "start" "-a" "7aa9b95eb2ba8422e36cc85c5251b61c092d83d02d53272159ed129336781bce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7aa9b95eb2ba8422e36cc85c5251b61c092d83d02d53272159ed129336781bce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aa9b95eb2ba8422e36cc85c5251b61c092d83d02d53272159ed129336781bce", kill_on_drop: false }`
[INFO] [stdout] 7aa9b95eb2ba8422e36cc85c5251b61c092d83d02d53272159ed129336781bce
[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] 30dfbc80b094b9c87eb12aa259083e4baf770b357346ace0f401493abcdabb0d
[INFO] running `Command { std: "docker" "start" "-a" "30dfbc80b094b9c87eb12aa259083e4baf770b357346ace0f401493abcdabb0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]     Checking util v0.1.0 (/opt/rustwide/workdir/util)
[INFO] [stderr]     Checking regex-syntax v0.8.8
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]     Checking day02 v0.1.0 (/opt/rustwide/workdir/days/day02)
[INFO] [stderr]     Checking day01 v0.1.0 (/opt/rustwide/workdir/days/day01)
[INFO] [stderr]     Checking day03 v0.1.0 (/opt/rustwide/workdir/days/day03)
[INFO] [stdout] warning: this pattern reimplements `Option::unwrap_or`
[INFO] [stdout]   --> days/day02/src/main.rs:36:20
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let smallest = if let Some(x) = sides.iter().min() {x} else {&0};
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `sides.iter().min().unwrap_or(&0)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_unwrap_or
[INFO] [stdout]    = note: `#[warn(clippy::manual_unwrap_or)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this pattern reimplements `Option::unwrap_or`
[INFO] [stdout]   --> days/day02/src/main.rs:42:20
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let smallest = if let Some(x) = perimeter.iter().min() {x} else {&0};
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `perimeter.iter().min().unwrap_or(&0)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_unwrap_or
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `vec!`
[INFO] [stdout]   --> days/day02/src/main.rs:35:17
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let sides = vec![width*height, height*length, width*length];
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use an array directly: `[width*height, height*length, width*length]`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stdout]    = note: `#[warn(clippy::useless_vec)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `vec!`
[INFO] [stdout]   --> days/day02/src/main.rs:41:21
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let perimeter = vec![width+height, height+length, width+length];
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use an array directly: `[width+height, height+length, width+length]`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&String` instead of `&str` involves a new object where a slice will do
[INFO] [stdout]   --> days/day01/src/main.rs:19:23
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn eval_floor(buffer: &String) -> i32 {
[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] 19 ~ fn eval_floor(buffer: &str) -> i32 {
[INFO] [stdout] 20 |     let mut floor = 0;
[INFO] [stdout] 21 |
[INFO] [stdout] 22 ~     for c in buffer.to_owned().chars() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&String` instead of `&str` involves a new object where a slice will do
[INFO] [stdout]   --> days/day01/src/main.rs:32:27
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn first_basement(buffer: &String) -> u32 {
[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] 32 ~ fn first_basement(buffer: &str) -> u32 {
[INFO] [stdout] 33 |     let mut floor = 0;
[INFO] [stdout] 34 |     let mut char_count = 0;
[INFO] [stdout] 35 |
[INFO] [stdout] 36 ~     for c in buffer.to_owned().chars() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&mut String` instead of `&mut str` involves a new object where a slice will do
[INFO] [stdout]   --> days/day03/src/main.rs:28:20
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn walk_grid(dirs: &mut String, alternate: bool) -> ([[u8; GRID_SIZE]; GRID_SIZE], u32) {
[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] 28 - fn walk_grid(dirs: &mut String, alternate: bool) -> ([[u8; GRID_SIZE]; GRID_SIZE], u32) {
[INFO] [stdout] 28 + fn walk_grid(dirs: &mut str, alternate: bool) -> ([[u8; GRID_SIZE]; GRID_SIZE], u32) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day05 v0.1.0 (/opt/rustwide/workdir/days/day05)
[INFO] [stdout] warning: this pattern reimplements `Option::unwrap_or`
[INFO] [stdout]   --> days/day02/src/main.rs:36:20
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let smallest = if let Some(x) = sides.iter().min() {x} else {&0};
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `sides.iter().min().unwrap_or(&0)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_unwrap_or
[INFO] [stdout]    = note: `#[warn(clippy::manual_unwrap_or)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&mut String` instead of `&mut str` involves a new object where a slice will do
[INFO] [stdout]   --> days/day03/src/main.rs:28:20
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn walk_grid(dirs: &mut String, alternate: bool) -> ([[u8; GRID_SIZE]; GRID_SIZE], u32) {
[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] 28 - fn walk_grid(dirs: &mut String, alternate: bool) -> ([[u8; GRID_SIZE]; GRID_SIZE], u32) {
[INFO] [stdout] 28 + fn walk_grid(dirs: &mut str, alternate: bool) -> ([[u8; GRID_SIZE]; GRID_SIZE], u32) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this pattern reimplements `Option::unwrap_or`
[INFO] [stdout]   --> days/day02/src/main.rs:42:20
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let smallest = if let Some(x) = perimeter.iter().min() {x} else {&0};
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `perimeter.iter().min().unwrap_or(&0)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_unwrap_or
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `vec!`
[INFO] [stdout]   --> days/day02/src/main.rs:35:17
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let sides = vec![width*height, height*length, width*length];
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use an array directly: `[width*height, height*length, width*length]`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stdout]    = note: `#[warn(clippy::useless_vec)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `vec!`
[INFO] [stdout]   --> days/day02/src/main.rs:41:21
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let perimeter = vec![width+height, height+length, width+length];
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use an array directly: `[width+height, height+length, width+length]`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&String` instead of `&str` involves a new object where a slice will do
[INFO] [stdout]   --> days/day01/src/main.rs:19:23
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn eval_floor(buffer: &String) -> i32 {
[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] 19 ~ fn eval_floor(buffer: &str) -> i32 {
[INFO] [stdout] 20 |     let mut floor = 0;
[INFO] [stdout] 21 |
[INFO] [stdout] 22 ~     for c in buffer.to_owned().chars() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&String` instead of `&str` involves a new object where a slice will do
[INFO] [stdout]   --> days/day01/src/main.rs:32:27
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn first_basement(buffer: &String) -> u32 {
[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] 32 ~ fn first_basement(buffer: &str) -> u32 {
[INFO] [stdout] 33 |     let mut floor = 0;
[INFO] [stdout] 34 |     let mut char_count = 0;
[INFO] [stdout] 35 |
[INFO] [stdout] 36 ~     for c in buffer.to_owned().chars() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant closure
[INFO] [stdout]   --> days/day05/src/main.rs:17:14
[INFO] [stdout]    |
[INFO] [stdout] 17 |         .map(|word| check_word(word))
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^ help: replace the closure with the function itself: `check_word`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stdout]    = note: `#[warn(clippy::redundant_closure)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant closure
[INFO] [stdout]   --> days/day05/src/main.rs:17:14
[INFO] [stdout]    |
[INFO] [stdout] 17 |         .map(|word| check_word(word))
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^ help: replace the closure with the function itself: `check_word`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stdout]    = note: `#[warn(clippy::redundant_closure)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::str::Chars<'_>`
[INFO] [stdout]   --> days/day05/src/main.rs:35:21
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let mut chars = word.chars().into_iter().collect::<Vec<char>>();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `word.chars()`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::str::Chars<'_>`
[INFO] [stdout]   --> days/day05/src/main.rs:35:21
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let mut chars = word.chars().into_iter().collect::<Vec<char>>();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `word.chars()`
[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] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.7
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking md-5 v0.10.6
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking day04 v0.1.0 (/opt/rustwide/workdir/days/day04)
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]     Checking day06 v0.1.0 (/opt/rustwide/workdir/days/day06)
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> days/day06/src/main.rs:36:24
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn calc_lit_up(matrix: &Vec<Vec<u8>>) -> 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] 36 - fn calc_lit_up(matrix: &Vec<Vec<u8>>) -> usize {
[INFO] [stdout] 36 + fn calc_lit_up(matrix: &[Vec<u8>]) -> usize {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> days/day06/src/main.rs:40:28
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn calc_brightness(matrix: &Vec<Vec<u8>>) -> u32 {
[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] 40 - fn calc_brightness(matrix: &Vec<Vec<u8>>) -> u32 {
[INFO] [stdout] 40 + fn calc_brightness(matrix: &[Vec<u8>]) -> u32 {
[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]   --> days/day06/src/main.rs:44:46
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn decorate<T: AsRef<str>>(input: T, matrix: &mut Vec<Vec<u8>>, brightness: 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] 44 - fn decorate<T: AsRef<str>>(input: T, matrix: &mut Vec<Vec<u8>>, brightness: bool) {
[INFO] [stdout] 44 + fn decorate<T: AsRef<str>>(input: T, matrix: &mut [Vec<u8>], brightness: bool) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> days/day06/src/main.rs:59:48
[INFO] [stdout]    |
[INFO] [stdout] 59 | ...                   matrix[x][y] = !(matrix[x][y] != 0) as u8
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^ help: try: `(matrix[x][y] == 0)`
[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: the loop variable `x` is only used to index `matrix`
[INFO] [stdout]   --> days/day06/src/main.rs:52:22
[INFO] [stdout]    |
[INFO] [stdout] 52 |             for x in act.1.x..=act.2.x {
[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] 52 -             for x in act.1.x..=act.2.x {
[INFO] [stdout] 52 +             for <item> in matrix.iter_mut().take(act.2.x + 1).skip(act.1.x) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `y` is only used to index `matrix`
[INFO] [stdout]   --> days/day06/src/main.rs:53:26
[INFO] [stdout]    |
[INFO] [stdout] 53 |                 for y in act.1.y..=act.2.y {
[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] 53 -                 for y in act.1.y..=act.2.y {
[INFO] [stdout] 53 +                 for <item> in matrix.iter_mut().take(act.2.y + 1).skip(act.1.y) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> days/day06/src/main.rs:36:24
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn calc_lit_up(matrix: &Vec<Vec<u8>>) -> 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] 36 - fn calc_lit_up(matrix: &Vec<Vec<u8>>) -> usize {
[INFO] [stdout] 36 + fn calc_lit_up(matrix: &[Vec<u8>]) -> usize {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> days/day06/src/main.rs:40:28
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn calc_brightness(matrix: &Vec<Vec<u8>>) -> u32 {
[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] 40 - fn calc_brightness(matrix: &Vec<Vec<u8>>) -> u32 {
[INFO] [stdout] 40 + fn calc_brightness(matrix: &[Vec<u8>]) -> u32 {
[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]   --> days/day06/src/main.rs:44:46
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn decorate<T: AsRef<str>>(input: T, matrix: &mut Vec<Vec<u8>>, brightness: 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] 44 - fn decorate<T: AsRef<str>>(input: T, matrix: &mut Vec<Vec<u8>>, brightness: bool) {
[INFO] [stdout] 44 + fn decorate<T: AsRef<str>>(input: T, matrix: &mut [Vec<u8>], brightness: bool) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> days/day06/src/main.rs:59:48
[INFO] [stdout]    |
[INFO] [stdout] 59 | ...                   matrix[x][y] = !(matrix[x][y] != 0) as u8
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^ help: try: `(matrix[x][y] == 0)`
[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: the loop variable `x` is only used to index `matrix`
[INFO] [stdout]   --> days/day06/src/main.rs:52:22
[INFO] [stdout]    |
[INFO] [stdout] 52 |             for x in act.1.x..=act.2.x {
[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] 52 -             for x in act.1.x..=act.2.x {
[INFO] [stdout] 52 +             for <item> in matrix.iter_mut().take(act.2.x + 1).skip(act.1.x) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `y` is only used to index `matrix`
[INFO] [stdout]   --> days/day06/src/main.rs:53:26
[INFO] [stdout]    |
[INFO] [stdout] 53 |                 for y in act.1.y..=act.2.y {
[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] 53 -                 for y in act.1.y..=act.2.y {
[INFO] [stdout] 53 +                 for <item> in matrix.iter_mut().take(act.2.y + 1).skip(act.1.y) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.04s
[INFO] running `Command { std: "docker" "inspect" "30dfbc80b094b9c87eb12aa259083e4baf770b357346ace0f401493abcdabb0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30dfbc80b094b9c87eb12aa259083e4baf770b357346ace0f401493abcdabb0d", kill_on_drop: false }`
[INFO] [stdout] 30dfbc80b094b9c87eb12aa259083e4baf770b357346ace0f401493abcdabb0d