[INFO] cloning repository https://github.com/CPTblackadder/advent_of_code_2024
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CPTblackadder/advent_of_code_2024" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCPTblackadder%2Fadvent_of_code_2024", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCPTblackadder%2Fadvent_of_code_2024'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c36b301d94ccae39f0eb905443a25289c30ee89
[INFO] linting CPTblackadder/advent_of_code_2024 against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCPTblackadder%2Fadvent_of_code_2024" "/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/CPTblackadder/advent_of_code_2024
[INFO] finished tweaking git repo https://github.com/CPTblackadder/advent_of_code_2024
[INFO] tweaked toml for git repo https://github.com/CPTblackadder/advent_of_code_2024 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/CPTblackadder/advent_of_code_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/CPTblackadder/advent_of_code_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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded priority-queue v2.1.1
[INFO] [stderr]   Downloaded cached_proc_macro v0.23.0
[INFO] [stderr]   Downloaded deprecate-until v0.1.1
[INFO] [stderr]   Downloaded count-digits v0.5.1
[INFO] [stderr]   Downloaded cached v0.54.0
[INFO] [stderr]   Downloaded pathfinding v4.12.0
[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] bb0d8b6125474406211816d5c2497fc31258d659c378299646c6813b806b5d93
[INFO] running `Command { std: "docker" "start" "-a" "bb0d8b6125474406211816d5c2497fc31258d659c378299646c6813b806b5d93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb0d8b6125474406211816d5c2497fc31258d659c378299646c6813b806b5d93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb0d8b6125474406211816d5c2497fc31258d659c378299646c6813b806b5d93", kill_on_drop: false }`
[INFO] [stdout] bb0d8b6125474406211816d5c2497fc31258d659c378299646c6813b806b5d93
[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] 1269163bd59a46160b21af2a616e7f9e477afaeb6dacd12398a903f006fd3f03
[INFO] running `Command { std: "docker" "start" "-a" "1269163bd59a46160b21af2a616e7f9e477afaeb6dacd12398a903f006fd3f03", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.24
[INFO] [stderr]    Compiling thiserror v2.0.7
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling rustversion v1.0.18
[INFO] [stderr]     Checking indexmap v2.7.0
[INFO] [stderr]     Checking integer-sqrt v0.1.5
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking rustc-hash v2.1.0
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[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking bit-set v0.8.0
[INFO] [stderr]     Checking count-digits v0.5.1
[INFO] [stderr]     Checking strum v0.26.3
[INFO] [stderr]     Checking priority-queue v2.1.1
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling thiserror-impl v2.0.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling deprecate-until v0.1.1
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking pathfinding v4.12.0
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]    Compiling cached_proc_macro v0.23.0
[INFO] [stderr]     Checking cached v0.54.0
[INFO] [stderr]     Checking advent_of_code_2024 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: bound is defined in more than one place
[INFO] [stdout]   --> src/day_02.rs:31:41
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn check_for_safety_with_error_area<'a, T: Iterator<Item = &'a str>>(mut s: T) -> Option<usize>
[INFO] [stdout]    |                                         ^
[INFO] [stdout] 32 | where
[INFO] [stdout] 33 |     T: Debug + Clone,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#multiple_bound_locations
[INFO] [stdout]    = note: `#[warn(clippy::multiple_bound_locations)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/day_21.rs:26:16
[INFO] [stdout]    |
[INFO] [stdout] 26 |         Self { pos: pos }
[INFO] [stdout]    |                ^^^^^^^^ help: replace it with: `pos`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout]    = note: `#[warn(clippy::redundant_field_names)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/day_21.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |             pos: pos,
[INFO] [stdout]    |             ^^^^^^^^ help: replace it with: `pos`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/day_21.rs:151:16
[INFO] [stdout]     |
[INFO] [stdout] 151 |         Self { pos: pos }
[INFO] [stdout]     |                ^^^^^^^^ help: replace it with: `pos`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IntoParallelIterator`
[INFO] [stdout]  --> src/day_24.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rayon::iter::{IntoParallelIterator, ParallelBridge, ParallelIterator};
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::zip`
[INFO] [stdout]  --> src/day_24.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::iter::zip;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs::File`
[INFO] [stdout]   --> src/day_24.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fs::File,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Circuit` and `SimplerCircuitBase`
[INFO] [stdout]  --> src/day_24/tests.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{Circuit, SimplerCircuitBase};
[INFO] [stdout]   |             ^^^^^^^  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `else` branch is empty
[INFO] [stdout]    --> src/day_24.rs:736:15
[INFO] [stdout]     |
[INFO] [stdout] 736 |               } else {
[INFO] [stdout]     |  _______________^
[INFO] [stdout] 737 | |             }
[INFO] [stdout]     | |_____________^ help: you can remove it
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_else
[INFO] [stdout]     = note: `#[warn(clippy::needless_else)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bound is defined in more than one place
[INFO] [stdout]   --> src/day_02.rs:31:41
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn check_for_safety_with_error_area<'a, T: Iterator<Item = &'a str>>(mut s: T) -> Option<usize>
[INFO] [stdout]    |                                         ^
[INFO] [stdout] 32 | where
[INFO] [stdout] 33 |     T: Debug + Clone,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#multiple_bound_locations
[INFO] [stdout]    = note: `#[warn(clippy::multiple_bound_locations)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/day_21.rs:26:16
[INFO] [stdout]    |
[INFO] [stdout] 26 |         Self { pos: pos }
[INFO] [stdout]    |                ^^^^^^^^ help: replace it with: `pos`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout]    = note: `#[warn(clippy::redundant_field_names)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/day_21.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |             pos: pos,
[INFO] [stdout]    |             ^^^^^^^^ help: replace it with: `pos`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/day_21.rs:151:16
[INFO] [stdout]     |
[INFO] [stdout] 151 |         Self { pos: pos }
[INFO] [stdout]     |                ^^^^^^^^ help: replace it with: `pos`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IntoParallelIterator`
[INFO] [stdout]  --> src/day_24.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rayon::iter::{IntoParallelIterator, ParallelBridge, ParallelIterator};
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::zip`
[INFO] [stdout]  --> src/day_24.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::iter::zip;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs::File`
[INFO] [stdout]   --> src/day_24.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fs::File,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `else` branch is empty
[INFO] [stdout]    --> src/day_24.rs:736:15
[INFO] [stdout]     |
[INFO] [stdout] 736 |               } else {
[INFO] [stdout]     |  _______________^
[INFO] [stdout] 737 | |             }
[INFO] [stdout]     | |_____________^ help: you can remove it
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_else
[INFO] [stdout]     = note: `#[warn(clippy::needless_else)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/day_24.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/day_24.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/day_24.rs:221:17
[INFO] [stdout]     |
[INFO] [stdout] 221 |             let value = Some(&x[5..6] == "1");
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::ops::Range<usize>`
[INFO] [stdout]   --> src/day_01.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | /         (0..v1.len())
[INFO] [stdout] 20 | |             .into_iter()
[INFO] [stdout]    | |________________________^ help: consider removing `.into_iter()`: `(0..v1.len())`
[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::SplitWhitespace<'_>`
[INFO] [stdout]  --> src/day_02.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut s = input_str.split_whitespace().into_iter();
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `input_str.split_whitespace()`
[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: redundant pattern matching, consider using `is_some()`
[INFO] [stdout]   --> src/day_02.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     if let Some(_) = check_for_safety_with_error_area(input_str.split_whitespace()) {
[INFO] [stdout]    |     -------^^^^^^^----------------------------------------------------------------- help: try: `if check_for_safety_with_error_area(input_str.split_whitespace()).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]    = note: `#[warn(clippy::redundant_pattern_matching)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::ops::Range<usize>`
[INFO] [stdout]   --> src/day_02.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 | /         (0..input_str.split_whitespace().count())
[INFO] [stdout] 61 | |             .into_iter()
[INFO] [stdout]    | |________________________^ help: consider removing `.into_iter()`: `(0..input_str.split_whitespace().count())`
[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: comparison to empty slice
[INFO] [stdout]   --> src/day_05.rs:36:20
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 if l == "" {
[INFO] [stdout]    |                    ^^^^^^^ help: using `is_empty` is clearer and more explicit: `l.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: comparison to empty slice
[INFO] [stdout]   --> src/day_05.rs:70:20
[INFO] [stdout]    |
[INFO] [stdout] 70 |                 if l == "" {
[INFO] [stdout]    |                    ^^^^^^^ help: using `is_empty` is clearer and more explicit: `l.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] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `map` over `inspect`
[INFO] [stdout]    --> src/day_05.rs:92:14
[INFO] [stdout]     |
[INFO] [stdout]  92 |             .map(|x| {
[INFO] [stdout]     |              ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_inspect
[INFO] [stdout]     = note: `#[warn(clippy::manual_inspect)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout]  92 ~             .inspect(|x| {
[INFO] [stdout]  93 |                 x.sort_by(|x, y| {
[INFO] [stdout] ...
[INFO] [stdout] 100 |                     }
[INFO] [stdout] 101 ~                 });
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/day_06.rs:28:30
[INFO] [stdout]    |
[INFO] [stdout] 28 |         c = x.translate(dir, &grid);
[INFO] [stdout]    |                              ^^^^^ help: change this to: `grid`
[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 expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/day_06.rs:32:38
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 c = x.translate(dir, &grid);
[INFO] [stdout]    |                                      ^^^^^ help: change this to: `grid`
[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]   --> src/day_06.rs:36:46
[INFO] [stdout]    |
[INFO] [stdout] 36 |                         c = x.translate(dir, &grid);
[INFO] [stdout]    |                                              ^^^^^ help: change this to: `grid`
[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]   --> src/day_06.rs:51:30
[INFO] [stdout]    |
[INFO] [stdout] 51 |         c = x.translate(dir, &grid);
[INFO] [stdout]    |                              ^^^^^ help: change this to: `grid`
[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]   --> src/day_06.rs:59:38
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 c = x.translate(dir, &grid);
[INFO] [stdout]    |                                      ^^^^^ help: change this to: `grid`
[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]   --> src/day_06.rs:63:46
[INFO] [stdout]    |
[INFO] [stdout] 63 |                         c = x.translate(dir, &grid);
[INFO] [stdout]    |                                              ^^^^^ help: change this to: `grid`
[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: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/day_06.rs:74:19
[INFO] [stdout]    |
[INFO] [stdout] 74 |     been_through: &Vec<(Coord, Direction)>,
[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] 74 -     been_through: &Vec<(Coord, Direction)>,
[INFO] [stdout] 74 +     been_through: &[(Coord, Direction)],
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/day_06.rs:88:30
[INFO] [stdout]    |
[INFO] [stdout] 88 |         c = x.translate(dir, &grid);
[INFO] [stdout]    |                              ^^^^^ help: change this to: `grid`
[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]   --> src/day_06.rs:92:38
[INFO] [stdout]    |
[INFO] [stdout] 92 |                 c = x.translate(dir, &grid);
[INFO] [stdout]    |                                      ^^^^^ help: change this to: `grid`
[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]   --> src/day_06.rs:96:46
[INFO] [stdout]    |
[INFO] [stdout] 96 |                         c = x.translate(dir, &grid);
[INFO] [stdout]    |                                              ^^^^^ help: change this to: `grid`
[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 boolean expression can be simplified
[INFO] [stdout]    --> src/day_06.rs:161:12
[INFO] [stdout]     |
[INFO] [stdout] 161 |         if !path_grid[x].is_some() {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `path_grid[x].is_none()`
[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: if let can be simplified with `.unwrap_or_default()`
[INFO] [stdout]   --> src/day_07.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 | /         if let Some(r) = check_value_with_concat(self.correct_value, 0, &self.rhs) {
[INFO] [stdout] 76 | |             r
[INFO] [stdout] 77 | |         } else {
[INFO] [stdout] 78 | |             0
[INFO] [stdout] 79 | |         }
[INFO] [stdout]    | |_________^ help: replace it with: `check_value_with_concat(self.correct_value, 0, &self.rhs).unwrap_or_default()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_unwrap_or_default
[INFO] [stdout]    = note: `#[warn(clippy::manual_unwrap_or_default)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: if let can be simplified with `.unwrap_or_default()`
[INFO] [stdout]   --> src/day_07.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 | /         if let Some(r) = check_value(self.correct_value, 0, &self.rhs) {
[INFO] [stdout] 84 | |             r
[INFO] [stdout] 85 | |         } else {
[INFO] [stdout] 86 | |             0
[INFO] [stdout] 87 | |         }
[INFO] [stdout]    | |_________^ help: replace it with: `check_value(self.correct_value, 0, &self.rhs).unwrap_or_default()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_unwrap_or_default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::ops::Range<usize>`
[INFO] [stdout]    --> src/day_09.rs:173:34
[INFO] [stdout]     |
[INFO] [stdout] 173 |                 s += d.value() * (i..(i + d.length)).into_iter().sum::<usize>() as i64;
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `(i..(i + d.length))`
[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: manual implementation of `.is_multiple_of()`
[INFO] [stdout]   --> src/day_11.rs:42:15
[INFO] [stdout]    |
[INFO] [stdout] 42 |     } else if n.count_digits() % 2 == 0 {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `n.count_digits().is_multiple_of(2)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_is_multiple_of
[INFO] [stdout]    = note: `#[warn(clippy::manual_is_multiple_of)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: returning the result of a `let` binding from a block
[INFO] [stdout]   --> src/day_11.rs:95:13
[INFO] [stdout]    |
[INFO] [stdout] 93 | /             let v =
[INFO] [stdout] 94 | |                 count_numbers_after_applying_rule_no_cache(a, number_of_times_to_apply_rule - 1);
[INFO] [stdout]    | |_________________________________________________________________________________________________- unnecessary `let` binding
[INFO] [stdout] 95 |               v
[INFO] [stdout]    |               ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stdout]    = note: `#[warn(clippy::let_and_return)]` on by default
[INFO] [stdout] help: return the expression directly
[INFO] [stdout]    |
[INFO] [stdout] 93 ~             
[INFO] [stdout] 94 ~             count_numbers_after_applying_rule_no_cache(a, number_of_times_to_apply_rule - 1)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: returning the result of a `let` binding from a block
[INFO] [stdout]    --> src/day_11.rs:104:13
[INFO] [stdout]     |
[INFO] [stdout]  98 | /             let v =
[INFO] [stdout]  99 | |                 count_numbers_after_applying_rule_no_cache(a, number_of_times_to_apply_rule - 1)
[INFO] [stdout] 100 | |                     + count_numbers_after_applying_rule_no_cache(
[INFO] [stdout] 101 | |                         b,
[INFO] [stdout] 102 | |                         number_of_times_to_apply_rule - 1,
[INFO] [stdout] 103 | |                     );
[INFO] [stdout]     | |______________________- unnecessary `let` binding
[INFO] [stdout] 104 |               v
[INFO] [stdout]     |               ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stdout] help: return the expression directly
[INFO] [stdout]     |
[INFO] [stdout]  98 ~             
[INFO] [stdout]  99 ~             count_numbers_after_applying_rule_no_cache(a, number_of_times_to_apply_rule - 1)
[INFO] [stdout] 100 +                     + count_numbers_after_applying_rule_no_cache(
[INFO] [stdout] 101 +                         b,
[INFO] [stdout] 102 +                         number_of_times_to_apply_rule - 1,
[INFO] [stdout] 103 +                     )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day_13.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     return a * d - b * c;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 17 -     return a * d - b * c;
[INFO] [stdout] 17 +     a * d - b * c
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/day_13.rs:109:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |             m.prize = m.prize + Coord::new(10000000000000, 10000000000000);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `m.prize += Coord::new(10000000000000, 10000000000000)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout]     = note: `#[warn(clippy::assign_op_pattern)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant closure
[INFO] [stdout]   --> src/day_14.rs:58:23
[INFO] [stdout]    |
[INFO] [stdout] 58 |     input.lines().map(|l| Robot::parse(l)).collect_vec()
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^ help: replace the closure with the associated function itself: `Robot::parse`
[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: this `.fold` can be written more succinctly using another method
[INFO] [stdout]   --> src/day_14.rs:99:10
[INFO] [stdout]    |
[INFO] [stdout] 99 |         .fold(1, |x, y| x * y)
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^ help: try: `product::<i64>()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_fold)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day_15.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 95 |     return tiles_to_move;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 95 -     return tiles_to_move;
[INFO] [stdout] 95 +     tiles_to_move
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `contains_key` followed by `insert` on a `HashMap`
[INFO] [stdout]   --> src/day_15.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 | /         if !tiles_to_move.contains_key(&x) {
[INFO] [stdout] 91 | |             tiles_to_move.insert(x, LargeBoxTile::Empty);
[INFO] [stdout] 92 | |         }
[INFO] [stdout]    | |_________^ help: try: `tiles_to_move.entry(x).or_insert(LargeBoxTile::Empty);`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_entry
[INFO] [stdout]    = note: `#[warn(clippy::map_entry)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/day_15.rs:121:8
[INFO] [stdout]     |
[INFO] [stdout] 121 |     if tiles_to_move.len() > 0 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!tiles_to_move.is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout]     = note: `#[warn(clippy::len_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/day_15.rs:139:8
[INFO] [stdout]     |
[INFO] [stdout] 139 |     if tiles_to_move.len() > 0 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!tiles_to_move.is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant closure
[INFO] [stdout]    --> src/day_15.rs:168:71
[INFO] [stdout]     |
[INFO] [stdout] 168 |         let mut grid = Grid::from_string(s.next().unwrap(), true).map(|x| Tile::from_char(x));
[INFO] [stdout]     |                                                                       ^^^^^^^^^^^^^^^^^^^^^^ help: replace the closure with the associated function itself: `Tile::from_char`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this OR pattern can be rewritten using a range
[INFO] [stdout]   --> src/day_17.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 0 | 1 | 2 | 3 => self.program[i * 2 + 1].to_string(),
[INFO] [stdout]    |                 ^^^^^^^^^^^^^ help: try: `0..=3`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_range_patterns
[INFO] [stdout]    = note: `#[warn(clippy::manual_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty string literal in `writeln!`
[INFO] [stdout]   --> src/day_17.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |         writeln!(f, "")?;
[INFO] [stdout]    |         ^^^^^^^^^^----^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   help: remove the empty string
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#writeln_empty_string
[INFO] [stdout]    = note: `#[warn(clippy::writeln_empty_string)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]   --> src/day_17.rs:96:17
[INFO] [stdout]    |
[INFO] [stdout] 96 |                 self.register_b = self.register_b ^ operand as i64;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.register_b ^= operand as i64`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/day_17.rs:117:17
[INFO] [stdout]     |
[INFO] [stdout] 117 |                 self.register_b = self.register_b ^ self.register_c;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.register_b ^= self.register_c`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/day_17.rs:258:16
[INFO] [stdout]     |
[INFO] [stdout] 258 |             if r.len() > 0 {
[INFO] [stdout]     |                ^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!r.is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: binary comparison to literal `Option::None`
[INFO] [stdout]   --> src/day_18.rs:56:16
[INFO] [stdout]    |
[INFO] [stdout] 56 |               if astar(
[INFO] [stdout]    |  ________________^
[INFO] [stdout] 57 | |                 &start,
[INFO] [stdout] 58 | |                 |x| {
[INFO] [stdout] 59 | |                     x.get_bounded_neighbours(&g, false)
[INFO] [stdout] ...  |
[INFO] [stdout] 66 | |                 |x| *x == finish,
[INFO] [stdout] 67 | |             ) == None
[INFO] [stdout]    | |_____________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#partialeq_to_none
[INFO] [stdout]    = note: `#[warn(clippy::partialeq_to_none)]` on by default
[INFO] [stdout] help: use `Option::is_none()` instead
[INFO] [stdout]    |
[INFO] [stdout] 56 ~             if astar(
[INFO] [stdout] 57 +                 &start,
[INFO] [stdout] 58 +                 |x| {
[INFO] [stdout] 59 +                     x.get_bounded_neighbours(&g, false)
[INFO] [stdout] 60 +                         .iter()
[INFO] [stdout] 61 +                         .filter(|x| g[**x] != '#')
[INFO] [stdout] 62 +                         .map(|x| (*x, 1))
[INFO] [stdout] 63 +                         .collect_vec()
[INFO] [stdout] 64 +                 },
[INFO] [stdout] 65 +                 |x| x.non_diagnal_distance(&finish),
[INFO] [stdout] 66 +                 |x| *x == finish,
[INFO] [stdout] 67 +             ).is_none()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/day_19.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     if line.len() == 0 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `line.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/day_19.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     if line.len() == 0 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `line.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: stripping a prefix manually
[INFO] [stdout]   --> src/day_19.rs:32:49
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     count_pattern_possibilities(&line[x.len()..], patterns)
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the prefix was tested here
[INFO] [stdout]   --> src/day_19.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 if line.starts_with(x) {
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_strip
[INFO] [stdout]    = note: `#[warn(clippy::manual_strip)]` on by default
[INFO] [stdout] help: try using the `strip_prefix` method
[INFO] [stdout]    |
[INFO] [stdout] 31 ~                 if let Some(<stripped>) = line.strip_prefix(x) {
[INFO] [stdout] 32 ~                     count_pattern_possibilities(<stripped>, patterns)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `Iterator::last` on a `DoubleEndedIterator`; this will needlessly iterate the entire iterator
[INFO] [stdout]   --> src/day_20.rs:54:17
[INFO] [stdout]    |
[INFO] [stdout] 54 | /                 Direction::iter()
[INFO] [stdout] 55 | |                     .filter(|d| {
[INFO] [stdout] 56 | |                         c.translate(*d, &grid).is_some()
[INFO] [stdout] 57 | |                             && cost[c.translate_no_bounds(*d)].is_none()
[INFO] [stdout] 58 | |                             && grid[c.translate_no_bounds(*d)] != '#'
[INFO] [stdout] 59 | |                     })
[INFO] [stdout] 60 | |                     .last()
[INFO] [stdout]    | |___________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_ended_iterator_last
[INFO] [stdout]    = note: `#[warn(clippy::double_ended_iterator_last)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 60 -                     .last()
[INFO] [stdout] 60 +                     .next_back()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `Iterator::last` on a `DoubleEndedIterator`; this will needlessly iterate the entire iterator
[INFO] [stdout]    --> src/day_20.rs:96:17
[INFO] [stdout]     |
[INFO] [stdout]  96 | /                 Direction::iter()
[INFO] [stdout]  97 | |                     .filter(|d| {
[INFO] [stdout]  98 | |                         c.translate(*d, &grid).is_some()
[INFO] [stdout]  99 | |                             && cost[c.translate_no_bounds(*d)].is_none()
[INFO] [stdout] 100 | |                             && grid[c.translate_no_bounds(*d)] != '#'
[INFO] [stdout] 101 | |                     })
[INFO] [stdout] 102 | |                     .last()
[INFO] [stdout]     | |___________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_ended_iterator_last
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 102 -                     .last()
[INFO] [stdout] 102 +                     .next_back()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/day_24.rs:221:17
[INFO] [stdout]     |
[INFO] [stdout] 221 |             let value = Some(&x[5..6] == "1");
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this loop could be written as a `for` loop
[INFO] [stdout]    --> src/day_21.rs:234:5
[INFO] [stdout]     |
[INFO] [stdout] 234 |     while let Some(next_char) = chars.next() {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `for next_char in chars`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_on_iterator
[INFO] [stdout]     = note: `#[warn(clippy::while_let_on_iterator)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `Vec`
[INFO] [stdout]    --> src/day_21.rs:410:31
[INFO] [stdout]     |
[INFO] [stdout] 410 |         .min_set_by_key(|x| x.into_iter().map(|z| z.len()).sum::<usize>())
[INFO] [stdout]     |                               ^^^^^^^^^ help: call directly: `iter`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stdout]     = note: `#[warn(clippy::into_iter_on_ref)]` 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/day_21.rs:428:17
[INFO] [stdout]     |
[INFO] [stdout] 428 |                 input.chars().nth(0).unwrap(),
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^ help: try calling `.next()` instead of `.nth(0)`: `input.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: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `Vec`
[INFO] [stdout]    --> src/day_21.rs:460:31
[INFO] [stdout]     |
[INFO] [stdout] 460 |         .min_set_by_key(|x| x.into_iter().map(|z| z.len()).sum::<usize>())
[INFO] [stdout]     |                               ^^^^^^^^^ help: call directly: `iter`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: importing legacy numeric constants
[INFO] [stdout]  --> src/day_22.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::i64;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: remove this import
[INFO] [stdout]   = note: then `i64::<CONST>` will resolve to the respective associated constant
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout]   = note: `#[warn(clippy::legacy_numeric_constants)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this lifetime isn't used in the function definition
[INFO] [stdout]   --> src/day_23.rs:47:23
[INFO] [stdout]    |
[INFO] [stdout] 47 |         fn add_to_map<'a>(a: usize, b: usize, h: &mut HashMap<usize, BitSet>) {
[INFO] [stdout]    |                       ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes
[INFO] [stdout]    = note: `#[warn(clippy::extra_unused_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: iterating on a map's values
[INFO] [stdout]   --> src/day_23.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 |             map.iter().map(|(_,y)|y.len()).sum::<usize>() / string_mapping.len()
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `map.values().map(|y| y.len())`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_kv_map
[INFO] [stdout]    = note: `#[warn(clippy::iter_kv_map)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to one
[INFO] [stdout]    --> src/day_23.rs:124:12
[INFO] [stdout]     |
[INFO] [stdout] 124 |         if set.len() >= 1 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!set.is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: iterating on a map's keys
[INFO] [stdout]    --> src/day_23.rs:146:15
[INFO] [stdout]     |
[INFO] [stdout] 146 |       let set = graph
[INFO] [stdout]     |  _______________^
[INFO] [stdout] 147 | |         .map
[INFO] [stdout] 148 | |         .iter()
[INFO] [stdout] 149 | |         .map(|(x, _)| get_largest_set_for_item(&graph, *x))
[INFO] [stdout]     | |___________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_kv_map
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 146 ~     let set = graph
[INFO] [stdout] 147 +         .map.keys().map(|x| get_largest_set_for_item(&graph, *x))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/day_23.rs:176:16
[INFO] [stdout]     |
[INFO] [stdout] 176 |             if new_neighbours.len() > 0 {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!new_neighbours.is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `XOR` contains a capitalized acronym
[INFO] [stdout]   --> src/day_24.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     XOR,
[INFO] [stdout]    |     ^^^ help: consider making the acronym lowercase, except the initial letter: `Xor`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout]    = note: `#[warn(clippy::upper_case_acronyms)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `AND` contains a capitalized acronym
[INFO] [stdout]   --> src/day_24.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     AND,
[INFO] [stdout]    |     ^^^ help: consider making the acronym lowercase, except the initial letter: `And`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `map(..).flatten()` on `Iterator`
[INFO] [stdout]    --> src/day_24.rs:126:14
[INFO] [stdout]     |
[INFO] [stdout] 126 |               .map(|x| x.borrow().get_outputs())
[INFO] [stdout]     |  ______________^
[INFO] [stdout] 127 | |             .flatten()
[INFO] [stdout]     | |______________________^ help: try replacing `map` with `flat_map` and remove the `.flatten()`: `flat_map(|x| x.borrow().get_outputs())`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_flatten
[INFO] [stdout]     = note: `#[warn(clippy::map_flatten)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this loop could be written as a `for` loop
[INFO] [stdout]    --> src/day_24.rs:215:9
[INFO] [stdout]     |
[INFO] [stdout] 215 |         while let Some(x) = lines.next() {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `for x in lines.by_ref()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_on_iterator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison to empty slice
[INFO] [stdout]    --> src/day_24.rs:216:16
[INFO] [stdout]     |
[INFO] [stdout] 216 |             if x == "" {
[INFO] [stdout]     |                ^^^^^^^ help: using `is_empty` is clearer and more explicit: `x.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] 
[INFO] [stdout] 
[INFO] [stdout] warning: this loop could be written as a `for` loop
[INFO] [stdout]    --> src/day_24.rs:232:9
[INFO] [stdout]     |
[INFO] [stdout] 232 |         while let Some(x) = lines.next() {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `for x in lines`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_on_iterator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/day_24.rs:313:27
[INFO] [stdout]     |
[INFO] [stdout] 313 |             .any(|(i, x)| x.outputs.len() > 0 || output_wires.contains(&WireID(i))));
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!x.outputs.is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]    --> src/day_24.rs:346:35
[INFO] [stdout]     |
[INFO] [stdout] 346 |     fn get_outputs(&self, values: &Vec<Option<bool>>) -> u64 {
[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] 346 -     fn get_outputs(&self, values: &Vec<Option<bool>>) -> u64 {
[INFO] [stdout] 346 +     fn get_outputs(&self, values: &[Option<bool>]) -> u64 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/day_24.rs:349:13
[INFO] [stdout]     |
[INFO] [stdout] 349 |             v = v << 1;
[INFO] [stdout]     |             ^^^^^^^^^^ help: replace it with: `v <<= 1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/day_24.rs:359:13
[INFO] [stdout]     |
[INFO] [stdout] 359 |             in_1 = in_1 >> 1;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^ help: replace it with: `in_1 >>= 1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/day_24.rs:365:13
[INFO] [stdout]     |
[INFO] [stdout] 365 |             in_2 = in_2 >> 1;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^ help: replace it with: `in_2 >>= 1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/day_24.rs:384:13
[INFO] [stdout]     |
[INFO] [stdout] 384 |             i = i << 1;
[INFO] [stdout]     |             ^^^^^^^^^^ help: replace it with: `i <<= 1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/day_24.rs:440:27
[INFO] [stdout]     |
[INFO] [stdout] 440 |             .any(|(i, x)| x.outputs.len() > 0 || self.output_wires.contains(&WireID(i))));
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!x.outputs.is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/day_24.rs:541:13
[INFO] [stdout]     |
[INFO] [stdout] 541 |             in_1 = in_1 >> 1;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^ help: replace it with: `in_1 >>= 1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/day_24.rs:547:13
[INFO] [stdout]     |
[INFO] [stdout] 547 |             in_2 = in_2 >> 1;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^ help: replace it with: `in_2 >>= 1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/day_24.rs:576:13
[INFO] [stdout]     |
[INFO] [stdout] 576 |             i = i << 1;
[INFO] [stdout]     |             ^^^^^^^^^^ help: replace it with: `i <<= 1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/day_24.rs:610:13
[INFO] [stdout]     |
[INFO] [stdout] 610 |             i = i << 1;
[INFO] [stdout]     |             ^^^^^^^^^^ help: replace it with: `i <<= 1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this loop could be written as a `for` loop
[INFO] [stdout]    --> src/day_24.rs:640:9
[INFO] [stdout]     |
[INFO] [stdout] 640 |         while let Some(x) = lines.next() {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `for x in lines.by_ref()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_on_iterator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison to empty slice
[INFO] [stdout]    --> src/day_24.rs:641:16
[INFO] [stdout]     |
[INFO] [stdout] 641 |             if x == "" {
[INFO] [stdout]     |                ^^^^^^^ help: using `is_empty` is clearer and more explicit: `x.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] 
[INFO] [stdout] 
[INFO] [stdout] warning: this loop could be written as a `for` loop
[INFO] [stdout]    --> src/day_24.rs:655:9
[INFO] [stdout]     |
[INFO] [stdout] 655 |         while let Some(x) = lines.next() {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `for x in lines`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_on_iterator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/day_24.rs:709:17
[INFO] [stdout]     |
[INFO] [stdout] 709 |                 in_1 = in_1 >> 1;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^ help: replace it with: `in_1 >>= 1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/day_24.rs:717:17
[INFO] [stdout]     |
[INFO] [stdout] 717 |                 in_2 = in_2 >> 1;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^ help: replace it with: `in_2 >>= 1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day_24.rs:756:9
[INFO] [stdout]     |
[INFO] [stdout] 756 |         return true;
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 756 -         return true;
[INFO] [stdout] 756 +         true
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/day_24.rs:772:13
[INFO] [stdout]     |
[INFO] [stdout] 772 |             i = i << 1;
[INFO] [stdout]     |             ^^^^^^^^^^ help: replace it with: `i <<= 1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/day_24.rs:787:13
[INFO] [stdout]     |
[INFO] [stdout] 787 |             i = i << 1;
[INFO] [stdout]     |             ^^^^^^^^^^ help: replace it with: `i <<= 1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the following explicit lifetimes could be elided: 'a
[INFO] [stdout]   --> src/day_25.rs:23:20
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn get_key_or_lock<'a>(input: [&'a str; 7]) -> Either<[u8; 5], [u8; 5]> {
[INFO] [stdout]    |                    ^^           ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stdout]    = note: `#[warn(clippy::needless_lifetimes)]` on by default
[INFO] [stdout] help: elide the lifetimes
[INFO] [stdout]    |
[INFO] [stdout] 23 - fn get_key_or_lock<'a>(input: [&'a str; 7]) -> Either<[u8; 5], [u8; 5]> {
[INFO] [stdout] 23 + fn get_key_or_lock(input: [&str; 7]) -> Either<[u8; 5], [u8; 5]> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded late initialization
[INFO] [stdout]   --> src/grid.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |         let g;
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_late_init
[INFO] [stdout]    = note: `#[warn(clippy::needless_late_init)]` on by default
[INFO] [stdout] help: move the declaration `g` here and remove the assignments from the branches
[INFO] [stdout]    |
[INFO] [stdout] 55 ~         
[INFO] [stdout] 56 ~         let g = if reverse {
[INFO] [stdout] 57 ~             input.lines().rev().map(|x| x.chars().collect()).collect()
[INFO] [stdout] 58 |         } else {
[INFO] [stdout] 59 ~             input.lines().map(|x| x.chars().collect()).collect()
[INFO] [stdout] 60 ~         };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant closure
[INFO] [stdout]    --> src/grid.rs:168:44
[INFO] [stdout]     |
[INFO] [stdout] 168 |                 .map(|x| x.into_iter().map(|y| func(y)).collect_vec())
[INFO] [stdout]     |                                            ^^^^^^^^^^^ help: replace the closure with the function itself: `&mut func`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `vec!`
[INFO] [stdout]   --> src/day_21.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |         vec!['>', '^', '<', 'v']
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use an array directly: `['>', '^', '<', 'v']`
[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]    --> src/day_21.rs:474:9
[INFO] [stdout]     |
[INFO] [stdout] 474 |         vec!['>', '^', '<', 'v', 'A']
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use an array directly: `['>', '^', '<', 'v', 'A']`
[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: useless conversion to the same type: `std::ops::Range<usize>`
[INFO] [stdout]   --> src/day_01.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | /         (0..v1.len())
[INFO] [stdout] 20 | |             .into_iter()
[INFO] [stdout]    | |________________________^ help: consider removing `.into_iter()`: `(0..v1.len())`
[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::SplitWhitespace<'_>`
[INFO] [stdout]  --> src/day_02.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut s = input_str.split_whitespace().into_iter();
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `input_str.split_whitespace()`
[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: redundant pattern matching, consider using `is_some()`
[INFO] [stdout]   --> src/day_02.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     if let Some(_) = check_for_safety_with_error_area(input_str.split_whitespace()) {
[INFO] [stdout]    |     -------^^^^^^^----------------------------------------------------------------- help: try: `if check_for_safety_with_error_area(input_str.split_whitespace()).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]    = note: `#[warn(clippy::redundant_pattern_matching)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::ops::Range<usize>`
[INFO] [stdout]   --> src/day_02.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 | /         (0..input_str.split_whitespace().count())
[INFO] [stdout] 61 | |             .into_iter()
[INFO] [stdout]    | |________________________^ help: consider removing `.into_iter()`: `(0..input_str.split_whitespace().count())`
[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: comparison to empty slice
[INFO] [stdout]   --> src/day_05.rs:36:20
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 if l == "" {
[INFO] [stdout]    |                    ^^^^^^^ help: using `is_empty` is clearer and more explicit: `l.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: comparison to empty slice
[INFO] [stdout]   --> src/day_05.rs:70:20
[INFO] [stdout]    |
[INFO] [stdout] 70 |                 if l == "" {
[INFO] [stdout]    |                    ^^^^^^^ help: using `is_empty` is clearer and more explicit: `l.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] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `map` over `inspect`
[INFO] [stdout]    --> src/day_05.rs:92:14
[INFO] [stdout]     |
[INFO] [stdout]  92 |             .map(|x| {
[INFO] [stdout]     |              ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_inspect
[INFO] [stdout]     = note: `#[warn(clippy::manual_inspect)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout]  92 ~             .inspect(|x| {
[INFO] [stdout]  93 |                 x.sort_by(|x, y| {
[INFO] [stdout] ...
[INFO] [stdout] 100 |                     }
[INFO] [stdout] 101 ~                 });
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/day_06.rs:28:30
[INFO] [stdout]    |
[INFO] [stdout] 28 |         c = x.translate(dir, &grid);
[INFO] [stdout]    |                              ^^^^^ help: change this to: `grid`
[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 expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/day_06.rs:32:38
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 c = x.translate(dir, &grid);
[INFO] [stdout]    |                                      ^^^^^ help: change this to: `grid`
[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]   --> src/day_06.rs:36:46
[INFO] [stdout]    |
[INFO] [stdout] 36 |                         c = x.translate(dir, &grid);
[INFO] [stdout]    |                                              ^^^^^ help: change this to: `grid`
[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]   --> src/day_06.rs:51:30
[INFO] [stdout]    |
[INFO] [stdout] 51 |         c = x.translate(dir, &grid);
[INFO] [stdout]    |                              ^^^^^ help: change this to: `grid`
[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]   --> src/day_06.rs:59:38
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 c = x.translate(dir, &grid);
[INFO] [stdout]    |                                      ^^^^^ help: change this to: `grid`
[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]   --> src/day_06.rs:63:46
[INFO] [stdout]    |
[INFO] [stdout] 63 |                         c = x.translate(dir, &grid);
[INFO] [stdout]    |                                              ^^^^^ help: change this to: `grid`
[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: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/day_06.rs:74:19
[INFO] [stdout]    |
[INFO] [stdout] 74 |     been_through: &Vec<(Coord, Direction)>,
[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] 74 -     been_through: &Vec<(Coord, Direction)>,
[INFO] [stdout] 74 +     been_through: &[(Coord, Direction)],
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/day_06.rs:88:30
[INFO] [stdout]    |
[INFO] [stdout] 88 |         c = x.translate(dir, &grid);
[INFO] [stdout]    |                              ^^^^^ help: change this to: `grid`
[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]   --> src/day_06.rs:92:38
[INFO] [stdout]    |
[INFO] [stdout] 92 |                 c = x.translate(dir, &grid);
[INFO] [stdout]    |                                      ^^^^^ help: change this to: `grid`
[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]   --> src/day_06.rs:96:46
[INFO] [stdout]    |
[INFO] [stdout] 96 |                         c = x.translate(dir, &grid);
[INFO] [stdout]    |                                              ^^^^^ help: change this to: `grid`
[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 boolean expression can be simplified
[INFO] [stdout]    --> src/day_06.rs:161:12
[INFO] [stdout]     |
[INFO] [stdout] 161 |         if !path_grid[x].is_some() {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `path_grid[x].is_none()`
[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: if let can be simplified with `.unwrap_or_default()`
[INFO] [stdout]   --> src/day_07.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 | /         if let Some(r) = check_value_with_concat(self.correct_value, 0, &self.rhs) {
[INFO] [stdout] 76 | |             r
[INFO] [stdout] 77 | |         } else {
[INFO] [stdout] 78 | |             0
[INFO] [stdout] 79 | |         }
[INFO] [stdout]    | |_________^ help: replace it with: `check_value_with_concat(self.correct_value, 0, &self.rhs).unwrap_or_default()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_unwrap_or_default
[INFO] [stdout]    = note: `#[warn(clippy::manual_unwrap_or_default)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: if let can be simplified with `.unwrap_or_default()`
[INFO] [stdout]   --> src/day_07.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 | /         if let Some(r) = check_value(self.correct_value, 0, &self.rhs) {
[INFO] [stdout] 84 | |             r
[INFO] [stdout] 85 | |         } else {
[INFO] [stdout] 86 | |             0
[INFO] [stdout] 87 | |         }
[INFO] [stdout]    | |_________^ help: replace it with: `check_value(self.correct_value, 0, &self.rhs).unwrap_or_default()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_unwrap_or_default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::ops::Range<usize>`
[INFO] [stdout]    --> src/day_09.rs:173:34
[INFO] [stdout]     |
[INFO] [stdout] 173 |                 s += d.value() * (i..(i + d.length)).into_iter().sum::<usize>() as i64;
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `(i..(i + d.length))`
[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: manual implementation of `.is_multiple_of()`
[INFO] [stdout]   --> src/day_11.rs:42:15
[INFO] [stdout]    |
[INFO] [stdout] 42 |     } else if n.count_digits() % 2 == 0 {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `n.count_digits().is_multiple_of(2)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_is_multiple_of
[INFO] [stdout]    = note: `#[warn(clippy::manual_is_multiple_of)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: returning the result of a `let` binding from a block
[INFO] [stdout]   --> src/day_11.rs:95:13
[INFO] [stdout]    |
[INFO] [stdout] 93 | /             let v =
[INFO] [stdout] 94 | |                 count_numbers_after_applying_rule_no_cache(a, number_of_times_to_apply_rule - 1);
[INFO] [stdout]    | |_________________________________________________________________________________________________- unnecessary `let` binding
[INFO] [stdout] 95 |               v
[INFO] [stdout]    |               ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stdout]    = note: `#[warn(clippy::let_and_return)]` on by default
[INFO] [stdout] help: return the expression directly
[INFO] [stdout]    |
[INFO] [stdout] 93 ~             
[INFO] [stdout] 94 ~             count_numbers_after_applying_rule_no_cache(a, number_of_times_to_apply_rule - 1)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: returning the result of a `let` binding from a block
[INFO] [stdout]    --> src/day_11.rs:104:13
[INFO] [stdout]     |
[INFO] [stdout]  98 | /             let v =
[INFO] [stdout]  99 | |                 count_numbers_after_applying_rule_no_cache(a, number_of_times_to_apply_rule - 1)
[INFO] [stdout] 100 | |                     + count_numbers_after_applying_rule_no_cache(
[INFO] [stdout] 101 | |                         b,
[INFO] [stdout] 102 | |                         number_of_times_to_apply_rule - 1,
[INFO] [stdout] 103 | |                     );
[INFO] [stdout]     | |______________________- unnecessary `let` binding
[INFO] [stdout] 104 |               v
[INFO] [stdout]     |               ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stdout] help: return the expression directly
[INFO] [stdout]     |
[INFO] [stdout]  98 ~             
[INFO] [stdout]  99 ~             count_numbers_after_applying_rule_no_cache(a, number_of_times_to_apply_rule - 1)
[INFO] [stdout] 100 +                     + count_numbers_after_applying_rule_no_cache(
[INFO] [stdout] 101 +                         b,
[INFO] [stdout] 102 +                         number_of_times_to_apply_rule - 1,
[INFO] [stdout] 103 +                     )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day_13.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     return a * d - b * c;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 17 -     return a * d - b * c;
[INFO] [stdout] 17 +     a * d - b * c
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/day_13.rs:109:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |             m.prize = m.prize + Coord::new(10000000000000, 10000000000000);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `m.prize += Coord::new(10000000000000, 10000000000000)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout]     = note: `#[warn(clippy::assign_op_pattern)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant closure
[INFO] [stdout]   --> src/day_14.rs:58:23
[INFO] [stdout]    |
[INFO] [stdout] 58 |     input.lines().map(|l| Robot::parse(l)).collect_vec()
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^ help: replace the closure with the associated function itself: `Robot::parse`
[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: this `.fold` can be written more succinctly using another method
[INFO] [stdout]   --> src/day_14.rs:99:10
[INFO] [stdout]    |
[INFO] [stdout] 99 |         .fold(1, |x, y| x * y)
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^ help: try: `product::<i64>()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_fold)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day_15.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 95 |     return tiles_to_move;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 95 -     return tiles_to_move;
[INFO] [stdout] 95 +     tiles_to_move
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `contains_key` followed by `insert` on a `HashMap`
[INFO] [stdout]   --> src/day_15.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 | /         if !tiles_to_move.contains_key(&x) {
[INFO] [stdout] 91 | |             tiles_to_move.insert(x, LargeBoxTile::Empty);
[INFO] [stdout] 92 | |         }
[INFO] [stdout]    | |_________^ help: try: `tiles_to_move.entry(x).or_insert(LargeBoxTile::Empty);`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_entry
[INFO] [stdout]    = note: `#[warn(clippy::map_entry)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/day_15.rs:121:8
[INFO] [stdout]     |
[INFO] [stdout] 121 |     if tiles_to_move.len() > 0 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!tiles_to_move.is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout]     = note: `#[warn(clippy::len_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/day_15.rs:139:8
[INFO] [stdout]     |
[INFO] [stdout] 139 |     if tiles_to_move.len() > 0 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!tiles_to_move.is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant closure
[INFO] [stdout]    --> src/day_15.rs:168:71
[INFO] [stdout]     |
[INFO] [stdout] 168 |         let mut grid = Grid::from_string(s.next().unwrap(), true).map(|x| Tile::from_char(x));
[INFO] [stdout]     |                                                                       ^^^^^^^^^^^^^^^^^^^^^^ help: replace the closure with the associated function itself: `Tile::from_char`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this OR pattern can be rewritten using a range
[INFO] [stdout]   --> src/day_17.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 0 | 1 | 2 | 3 => self.program[i * 2 + 1].to_string(),
[INFO] [stdout]    |                 ^^^^^^^^^^^^^ help: try: `0..=3`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_range_patterns
[INFO] [stdout]    = note: `#[warn(clippy::manual_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty string literal in `writeln!`
[INFO] [stdout]   --> src/day_17.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |         writeln!(f, "")?;
[INFO] [stdout]    |         ^^^^^^^^^^----^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   help: remove the empty string
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#writeln_empty_string
[INFO] [stdout]    = note: `#[warn(clippy::writeln_empty_string)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]   --> src/day_17.rs:96:17
[INFO] [stdout]    |
[INFO] [stdout] 96 |                 self.register_b = self.register_b ^ operand as i64;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.register_b ^= operand as i64`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/day_17.rs:117:17
[INFO] [stdout]     |
[INFO] [stdout] 117 |                 self.register_b = self.register_b ^ self.register_c;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.register_b ^= self.register_c`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/day_17.rs:258:16
[INFO] [stdout]     |
[INFO] [stdout] 258 |             if r.len() > 0 {
[INFO] [stdout]     |                ^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!r.is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: binary comparison to literal `Option::None`
[INFO] [stdout]   --> src/day_18.rs:56:16
[INFO] [stdout]    |
[INFO] [stdout] 56 |               if astar(
[INFO] [stdout]    |  ________________^
[INFO] [stdout] 57 | |                 &start,
[INFO] [stdout] 58 | |                 |x| {
[INFO] [stdout] 59 | |                     x.get_bounded_neighbours(&g, false)
[INFO] [stdout] ...  |
[INFO] [stdout] 66 | |                 |x| *x == finish,
[INFO] [stdout] 67 | |             ) == None
[INFO] [stdout]    | |_____________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#partialeq_to_none
[INFO] [stdout]    = note: `#[warn(clippy::partialeq_to_none)]` on by default
[INFO] [stdout] help: use `Option::is_none()` instead
[INFO] [stdout]    |
[INFO] [stdout] 56 ~             if astar(
[INFO] [stdout] 57 +                 &start,
[INFO] [stdout] 58 +                 |x| {
[INFO] [stdout] 59 +                     x.get_bounded_neighbours(&g, false)
[INFO] [stdout] 60 +                         .iter()
[INFO] [stdout] 61 +                         .filter(|x| g[**x] != '#')
[INFO] [stdout] 62 +                         .map(|x| (*x, 1))
[INFO] [stdout] 63 +                         .collect_vec()
[INFO] [stdout] 64 +                 },
[INFO] [stdout] 65 +                 |x| x.non_diagnal_distance(&finish),
[INFO] [stdout] 66 +                 |x| *x == finish,
[INFO] [stdout] 67 +             ).is_none()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/day_19.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     if line.len() == 0 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `line.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/day_19.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     if line.len() == 0 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `line.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: stripping a prefix manually
[INFO] [stdout]   --> src/day_19.rs:32:49
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     count_pattern_possibilities(&line[x.len()..], patterns)
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the prefix was tested here
[INFO] [stdout]   --> src/day_19.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 if line.starts_with(x) {
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_strip
[INFO] [stdout]    = note: `#[warn(clippy::manual_strip)]` on by default
[INFO] [stdout] help: try using the `strip_prefix` method
[INFO] [stdout]    |
[INFO] [stdout] 31 ~                 if let Some(<stripped>) = line.strip_prefix(x) {
[INFO] [stdout] 32 ~                     count_pattern_possibilities(<stripped>, patterns)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `Iterator::last` on a `DoubleEndedIterator`; this will needlessly iterate the entire iterator
[INFO] [stdout]   --> src/day_20.rs:54:17
[INFO] [stdout]    |
[INFO] [stdout] 54 | /                 Direction::iter()
[INFO] [stdout] 55 | |                     .filter(|d| {
[INFO] [stdout] 56 | |                         c.translate(*d, &grid).is_some()
[INFO] [stdout] 57 | |                             && cost[c.translate_no_bounds(*d)].is_none()
[INFO] [stdout] 58 | |                             && grid[c.translate_no_bounds(*d)] != '#'
[INFO] [stdout] 59 | |                     })
[INFO] [stdout] 60 | |                     .last()
[INFO] [stdout]    | |___________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_ended_iterator_last
[INFO] [stdout]    = note: `#[warn(clippy::double_ended_iterator_last)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 60 -                     .last()
[INFO] [stdout] 60 +                     .next_back()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `Iterator::last` on a `DoubleEndedIterator`; this will needlessly iterate the entire iterator
[INFO] [stdout]    --> src/day_20.rs:96:17
[INFO] [stdout]     |
[INFO] [stdout]  96 | /                 Direction::iter()
[INFO] [stdout]  97 | |                     .filter(|d| {
[INFO] [stdout]  98 | |                         c.translate(*d, &grid).is_some()
[INFO] [stdout]  99 | |                             && cost[c.translate_no_bounds(*d)].is_none()
[INFO] [stdout] 100 | |                             && grid[c.translate_no_bounds(*d)] != '#'
[INFO] [stdout] 101 | |                     })
[INFO] [stdout] 102 | |                     .last()
[INFO] [stdout]     | |___________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_ended_iterator_last
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 102 -                     .last()
[INFO] [stdout] 102 +                     .next_back()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this loop could be written as a `for` loop
[INFO] [stdout]    --> src/day_21.rs:234:5
[INFO] [stdout]     |
[INFO] [stdout] 234 |     while let Some(next_char) = chars.next() {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `for next_char in chars`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_on_iterator
[INFO] [stdout]     = note: `#[warn(clippy::while_let_on_iterator)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `Vec`
[INFO] [stdout]    --> src/day_21.rs:410:31
[INFO] [stdout]     |
[INFO] [stdout] 410 |         .min_set_by_key(|x| x.into_iter().map(|z| z.len()).sum::<usize>())
[INFO] [stdout]     |                               ^^^^^^^^^ help: call directly: `iter`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stdout]     = note: `#[warn(clippy::into_iter_on_ref)]` 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/day_21.rs:428:17
[INFO] [stdout]     |
[INFO] [stdout] 428 |                 input.chars().nth(0).unwrap(),
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^ help: try calling `.next()` instead of `.nth(0)`: `input.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: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `Vec`
[INFO] [stdout]    --> src/day_21.rs:460:31
[INFO] [stdout]     |
[INFO] [stdout] 460 |         .min_set_by_key(|x| x.into_iter().map(|z| z.len()).sum::<usize>())
[INFO] [stdout]     |                               ^^^^^^^^^ help: call directly: `iter`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: importing legacy numeric constants
[INFO] [stdout]  --> src/day_22.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::i64;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: remove this import
[INFO] [stdout]   = note: then `i64::<CONST>` will resolve to the respective associated constant
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout]   = note: `#[warn(clippy::legacy_numeric_constants)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this lifetime isn't used in the function definition
[INFO] [stdout]   --> src/day_23.rs:47:23
[INFO] [stdout]    |
[INFO] [stdout] 47 |         fn add_to_map<'a>(a: usize, b: usize, h: &mut HashMap<usize, BitSet>) {
[INFO] [stdout]    |                       ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes
[INFO] [stdout]    = note: `#[warn(clippy::extra_unused_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: iterating on a map's values
[INFO] [stdout]   --> src/day_23.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 |             map.iter().map(|(_,y)|y.len()).sum::<usize>() / string_mapping.len()
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `map.values().map(|y| y.len())`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_kv_map
[INFO] [stdout]    = note: `#[warn(clippy::iter_kv_map)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to one
[INFO] [stdout]    --> src/day_23.rs:124:12
[INFO] [stdout]     |
[INFO] [stdout] 124 |         if set.len() >= 1 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!set.is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: iterating on a map's keys
[INFO] [stdout]    --> src/day_23.rs:146:15
[INFO] [stdout]     |
[INFO] [stdout] 146 |       let set = graph
[INFO] [stdout]     |  _______________^
[INFO] [stdout] 147 | |         .map
[INFO] [stdout] 148 | |         .iter()
[INFO] [stdout] 149 | |         .map(|(x, _)| get_largest_set_for_item(&graph, *x))
[INFO] [stdout]     | |___________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_kv_map
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 146 ~     let set = graph
[INFO] [stdout] 147 +         .map.keys().map(|x| get_largest_set_for_item(&graph, *x))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/day_23.rs:176:16
[INFO] [stdout]     |
[INFO] [stdout] 176 |             if new_neighbours.len() > 0 {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!new_neighbours.is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `XOR` contains a capitalized acronym
[INFO] [stdout]   --> src/day_24.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     XOR,
[INFO] [stdout]    |     ^^^ help: consider making the acronym lowercase, except the initial letter: `Xor`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout]    = note: `#[warn(clippy::upper_case_acronyms)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `AND` contains a capitalized acronym
[INFO] [stdout]   --> src/day_24.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     AND,
[INFO] [stdout]    |     ^^^ help: consider making the acronym lowercase, except the initial letter: `And`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `map(..).flatten()` on `Iterator`
[INFO] [stdout]    --> src/day_24.rs:126:14
[INFO] [stdout]     |
[INFO] [stdout] 126 |               .map(|x| x.borrow().get_outputs())
[INFO] [stdout]     |  ______________^
[INFO] [stdout] 127 | |             .flatten()
[INFO] [stdout]     | |______________________^ help: try replacing `map` with `flat_map` and remove the `.flatten()`: `flat_map(|x| x.borrow().get_outputs())`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_flatten
[INFO] [stdout]     = note: `#[warn(clippy::map_flatten)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this loop could be written as a `for` loop
[INFO] [stdout]    --> src/day_24.rs:215:9
[INFO] [stdout]     |
[INFO] [stdout] 215 |         while let Some(x) = lines.next() {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `for x in lines.by_ref()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_on_iterator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison to empty slice
[INFO] [stdout]    --> src/day_24.rs:216:16
[INFO] [stdout]     |
[INFO] [stdout] 216 |             if x == "" {
[INFO] [stdout]     |                ^^^^^^^ help: using `is_empty` is clearer and more explicit: `x.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] 
[INFO] [stdout] 
[INFO] [stdout] warning: this loop could be written as a `for` loop
[INFO] [stdout]    --> src/day_24.rs:232:9
[INFO] [stdout]     |
[INFO] [stdout] 232 |         while let Some(x) = lines.next() {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `for x in lines`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_on_iterator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/day_24.rs:313:27
[INFO] [stdout]     |
[INFO] [stdout] 313 |             .any(|(i, x)| x.outputs.len() > 0 || output_wires.contains(&WireID(i))));
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!x.outputs.is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]    --> src/day_24.rs:346:35
[INFO] [stdout]     |
[INFO] [stdout] 346 |     fn get_outputs(&self, values: &Vec<Option<bool>>) -> u64 {
[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] 346 -     fn get_outputs(&self, values: &Vec<Option<bool>>) -> u64 {
[INFO] [stdout] 346 +     fn get_outputs(&self, values: &[Option<bool>]) -> u64 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/day_24.rs:349:13
[INFO] [stdout]     |
[INFO] [stdout] 349 |             v = v << 1;
[INFO] [stdout]     |             ^^^^^^^^^^ help: replace it with: `v <<= 1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/day_24.rs:359:13
[INFO] [stdout]     |
[INFO] [stdout] 359 |             in_1 = in_1 >> 1;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^ help: replace it with: `in_1 >>= 1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/day_24.rs:365:13
[INFO] [stdout]     |
[INFO] [stdout] 365 |             in_2 = in_2 >> 1;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^ help: replace it with: `in_2 >>= 1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/day_24.rs:384:13
[INFO] [stdout]     |
[INFO] [stdout] 384 |             i = i << 1;
[INFO] [stdout]     |             ^^^^^^^^^^ help: replace it with: `i <<= 1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/day_24.rs:440:27
[INFO] [stdout]     |
[INFO] [stdout] 440 |             .any(|(i, x)| x.outputs.len() > 0 || self.output_wires.contains(&WireID(i))));
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!x.outputs.is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/day_24.rs:541:13
[INFO] [stdout]     |
[INFO] [stdout] 541 |             in_1 = in_1 >> 1;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^ help: replace it with: `in_1 >>= 1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/day_24.rs:547:13
[INFO] [stdout]     |
[INFO] [stdout] 547 |             in_2 = in_2 >> 1;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^ help: replace it with: `in_2 >>= 1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/day_24.rs:576:13
[INFO] [stdout]     |
[INFO] [stdout] 576 |             i = i << 1;
[INFO] [stdout]     |             ^^^^^^^^^^ help: replace it with: `i <<= 1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/day_24.rs:610:13
[INFO] [stdout]     |
[INFO] [stdout] 610 |             i = i << 1;
[INFO] [stdout]     |             ^^^^^^^^^^ help: replace it with: `i <<= 1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this loop could be written as a `for` loop
[INFO] [stdout]    --> src/day_24.rs:640:9
[INFO] [stdout]     |
[INFO] [stdout] 640 |         while let Some(x) = lines.next() {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `for x in lines.by_ref()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_on_iterator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison to empty slice
[INFO] [stdout]    --> src/day_24.rs:641:16
[INFO] [stdout]     |
[INFO] [stdout] 641 |             if x == "" {
[INFO] [stdout]     |                ^^^^^^^ help: using `is_empty` is clearer and more explicit: `x.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] 
[INFO] [stdout] 
[INFO] [stdout] warning: this loop could be written as a `for` loop
[INFO] [stdout]    --> src/day_24.rs:655:9
[INFO] [stdout]     |
[INFO] [stdout] 655 |         while let Some(x) = lines.next() {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `for x in lines`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_on_iterator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/day_24.rs:709:17
[INFO] [stdout]     |
[INFO] [stdout] 709 |                 in_1 = in_1 >> 1;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^ help: replace it with: `in_1 >>= 1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/day_24.rs:717:17
[INFO] [stdout]     |
[INFO] [stdout] 717 |                 in_2 = in_2 >> 1;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^ help: replace it with: `in_2 >>= 1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day_24.rs:756:9
[INFO] [stdout]     |
[INFO] [stdout] 756 |         return true;
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 756 -         return true;
[INFO] [stdout] 756 +         true
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/day_24.rs:772:13
[INFO] [stdout]     |
[INFO] [stdout] 772 |             i = i << 1;
[INFO] [stdout]     |             ^^^^^^^^^^ help: replace it with: `i <<= 1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/day_24.rs:787:13
[INFO] [stdout]     |
[INFO] [stdout] 787 |             i = i << 1;
[INFO] [stdout]     |             ^^^^^^^^^^ help: replace it with: `i <<= 1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the following explicit lifetimes could be elided: 'a
[INFO] [stdout]   --> src/day_25.rs:23:20
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn get_key_or_lock<'a>(input: [&'a str; 7]) -> Either<[u8; 5], [u8; 5]> {
[INFO] [stdout]    |                    ^^           ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stdout]    = note: `#[warn(clippy::needless_lifetimes)]` on by default
[INFO] [stdout] help: elide the lifetimes
[INFO] [stdout]    |
[INFO] [stdout] 23 - fn get_key_or_lock<'a>(input: [&'a str; 7]) -> Either<[u8; 5], [u8; 5]> {
[INFO] [stdout] 23 + fn get_key_or_lock(input: [&str; 7]) -> Either<[u8; 5], [u8; 5]> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded late initialization
[INFO] [stdout]   --> src/grid.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |         let g;
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_late_init
[INFO] [stdout]    = note: `#[warn(clippy::needless_late_init)]` on by default
[INFO] [stdout] help: move the declaration `g` here and remove the assignments from the branches
[INFO] [stdout]    |
[INFO] [stdout] 55 ~         
[INFO] [stdout] 56 ~         let g = if reverse {
[INFO] [stdout] 57 ~             input.lines().rev().map(|x| x.chars().collect()).collect()
[INFO] [stdout] 58 |         } else {
[INFO] [stdout] 59 ~             input.lines().map(|x| x.chars().collect()).collect()
[INFO] [stdout] 60 ~         };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant closure
[INFO] [stdout]    --> src/grid.rs:168:44
[INFO] [stdout]     |
[INFO] [stdout] 168 |                 .map(|x| x.into_iter().map(|y| func(y)).collect_vec())
[INFO] [stdout]     |                                            ^^^^^^^^^^^ help: replace the closure with the function itself: `&mut func`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `vec!`
[INFO] [stdout]   --> src/day_21.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |         vec!['>', '^', '<', 'v']
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use an array directly: `['>', '^', '<', 'v']`
[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]    --> src/day_21.rs:474:9
[INFO] [stdout]     |
[INFO] [stdout] 474 |         vec!['>', '^', '<', 'v', 'A']
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use an array directly: `['>', '^', '<', 'v', 'A']`
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.74s
[INFO] running `Command { std: "docker" "inspect" "1269163bd59a46160b21af2a616e7f9e477afaeb6dacd12398a903f006fd3f03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1269163bd59a46160b21af2a616e7f9e477afaeb6dacd12398a903f006fd3f03", kill_on_drop: false }`
[INFO] [stdout] 1269163bd59a46160b21af2a616e7f9e477afaeb6dacd12398a903f006fd3f03