[INFO] cloning repository https://github.com/efirlus/advent-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/efirlus/advent-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fefirlus%2Fadvent-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fefirlus%2Fadvent-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d516cd6eab869ac760c3af9a70a9d8398ba4efc1
[INFO] linting efirlus/advent-rust against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fefirlus%2Fadvent-rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/efirlus/advent-rust
[INFO] finished tweaking git repo https://github.com/efirlus/advent-rust
[INFO] tweaked toml for git repo https://github.com/efirlus/advent-rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/efirlus/advent-rust 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/efirlus/advent-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8504ee4460c307c052eca263b237c6ca11068afefa8fb4690d29a1fe5cbe48c5
[INFO] running `Command { std: "docker" "start" "-a" "8504ee4460c307c052eca263b237c6ca11068afefa8fb4690d29a1fe5cbe48c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8504ee4460c307c052eca263b237c6ca11068afefa8fb4690d29a1fe5cbe48c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8504ee4460c307c052eca263b237c6ca11068afefa8fb4690d29a1fe5cbe48c5", kill_on_drop: false }`
[INFO] [stdout] 8504ee4460c307c052eca263b237c6ca11068afefa8fb4690d29a1fe5cbe48c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 056f232b894643baae61762865e45e2a589d071af037f753ca683fe36921e250
[INFO] running `Command { std: "docker" "start" "-a" "056f232b894643baae61762865e45e2a589d071af037f753ca683fe36921e250", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking advent-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `읽을까_말까` is never read
[INFO] [stdout]   --> src/day03.rs:41:22
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let mut 읽을까_말까 = false;
[INFO] [stdout]    |                           ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `다음_좌표` is never read
[INFO] [stdout]   --> src/day04.rs:87:21
[INFO] [stdout]    |
[INFO] [stdout] 87 |     let mut 다음_좌표 = Vec::new();
[INFO] [stdout]    |                         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `문서` is never read
[INFO] [stdout]   --> src/day05.rs:49:6
[INFO] [stdout]    |
[INFO] [stdout] 49 |     (문서, 총점) = 재정렬을_해볼까(문서, 딱_맞는_규칙);
[INFO] [stdout]    |      ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `총점` is never read
[INFO] [stdout]   --> src/day05.rs:47:22
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let mut 총점:i32 = 0;
[INFO] [stdout]    |                        ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `입력`
[INFO] [stdout]    --> src/day08.rs:163:14
[INFO] [stdout]     |
[INFO] [stdout] 163 | pub fn part2(입력: &str) -> i32 {
[INFO] [stdout]     |              ^^^^ help: if this is intentional, prefix it with an underscore: `_입력`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `차이점_점수_구하기` is never used
[INFO] [stdout]   --> src/day01.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn 차이점_점수_구하기(왼쪽_메모:Vec<i32>, 오른쪽_메모:Vec<i32>) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `초콜렛이_먹고싶은데` is never used
[INFO] [stdout]   --> src/day08.rs:70:4
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn 초콜렛이_먹고싶은데(이번_계산_대상:Vec<&안테나>, mut 공명_극대화_지점:HashSet<(i32, i32)>, 맵_크기:(i32, i32)) -> HashSet<(i32, i...
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day01.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     return 총점;
[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] 19 -     return 총점;
[INFO] [stdout] 19 +     총점
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day01.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     return 총점;
[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] 31 -     return 총점;
[INFO] [stdout] 31 +     총점
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]   --> src/day01.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |             차이 = 차이*-1;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ help: replace it with: `차이 *= -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]    = note: `#[warn(clippy::assign_op_pattern)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this multiplication by -1 can be written more succinctly
[INFO] [stdout]   --> src/day01.rs:27:18
[INFO] [stdout]    |
[INFO] [stdout] 27 |             차이 = 차이*-1;
[INFO] [stdout]    |                    ^^^^^^^ help: consider using: `-차이`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#neg_multiply
[INFO] [stdout]    = note: `#[warn(clippy::neg_multiply)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day01.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     return 총점;
[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] 43 -     return 총점;
[INFO] [stdout] 43 +     총점
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]   --> src/day01.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         총점 = 총점 + (숫자*개수);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `총점 += (숫자*개수)`
[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: importing legacy numeric constants
[INFO] [stdout]  --> src/day02.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::i32;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: remove this import
[INFO] [stdout]   = note: then `i32::<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: unneeded `return` statement
[INFO] [stdout]   --> src/day02.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     return 보고_수량 - 불안전;
[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] 20 -     return 보고_수량 - 불안전;
[INFO] [stdout] 20 +     보고_수량 - 불안전
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]   --> src/day02.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |         보고_수량 = 보고_수량 + 1;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `보고_수량 += 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/day02.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 |     return 보고_수량 - 불안전;
[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] 64 -     return 보고_수량 - 불안전;
[INFO] [stdout] 64 +     보고_수량 - 불안전
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `내부순서` is used to index `보고정보`
[INFO] [stdout]   --> src/day02.rs:42:29
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 for 내부순서 in 0..보고정보.len() {
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout]    = note: `#[warn(clippy::needless_range_loop)]` on by default
[INFO] [stdout] help: consider using an iterator and enumerate()
[INFO] [stdout]    |
[INFO] [stdout] 42 -                 for 내부순서 in 0..보고정보.len() {
[INFO] [stdout] 42 +                 for (내부순서, <item>) in 보고정보.iter().enumerate() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]   --> src/day02.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |         보고_수량 = 보고_수량 + 1;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `보고_수량 += 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 boolean expression can be simplified
[INFO] [stdout]   --> src/day02.rs:77:16
[INFO] [stdout]    |
[INFO] [stdout] 77 |               if (수차 == 0) || (수차 > 3) || (수차 < -3) || 
[INFO] [stdout]    |  ________________^
[INFO] [stdout] 78 | |                 ((0 < 수차) && (수차 <= 3) && 직전_수차 == "m") || 
[INFO] [stdout]    | |_______________________________________________________________^ help: try: `(수차 == 0) || (수차 > 3) || (수차 < -3) || (0 < 수차) && 직전_수차 == "m"`
[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: unneeded `return` statement
[INFO] [stdout]   --> src/day02.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 91 |     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] 91 -     return true;
[INFO] [stdout] 91 +     true
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `읽을까_말까` is never read
[INFO] [stdout]   --> src/day03.rs:41:22
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let mut 읽을까_말까 = false;
[INFO] [stdout]    |                           ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `순서` is used to index `보고정보`
[INFO] [stdout]   --> src/day02.rs:70:15
[INFO] [stdout]    |
[INFO] [stdout] 70 |     for 순서 in 0..보고정보.len() {
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator and enumerate()
[INFO] [stdout]    |
[INFO] [stdout] 70 -     for 순서 in 0..보고정보.len() {
[INFO] [stdout] 70 +     for (순서, <item>) in 보고정보.iter().enumerate() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual `!RangeInclusive::contains` implementation
[INFO] [stdout]   --> src/day02.rs:77:29
[INFO] [stdout]    |
[INFO] [stdout] 77 |             if (수차 == 0) || (수차 > 3) || (수차 < -3) || 
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `!(-3..=3).contains(&수차)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_range_contains
[INFO] [stdout]    = note: `#[warn(clippy::manual_range_contains)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual `Range::contains` implementation
[INFO] [stdout]   --> src/day02.rs:79:18
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 ((0 > 수차) && (수차 >= -3) && 직전_수차 == "p") {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `(-3..0).contains(&수차)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_range_contains
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day03.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     return 결과값;
[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] 18 -     return 결과값;
[INFO] [stdout] 18 +     결과값
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day03.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 |     return 결과값;
[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] 82 -     return 결과값;
[INFO] [stdout] 82 +     결과값
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this if-then-else expression assigns a bool literal
[INFO] [stdout]   --> src/day03.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | /     if 긍정_제어수식[0].1 == "don't()" {
[INFO] [stdout] 43 | |         읽을까_말까 = false;
[INFO] [stdout] 44 | |     } else {
[INFO] [stdout] 45 | |         읽을까_말까 = true;
[INFO] [stdout] 46 | |     }
[INFO] [stdout]    | |_____^ help: you can reduce it to: `읽을까_말까 = 긍정_제어수식[0].1 != "don't()";`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_bool_assign
[INFO] [stdout]    = note: `#[warn(clippy::needless_bool_assign)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this if-then-else expression assigns a bool literal
[INFO] [stdout]   --> src/day03.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 | /         if 수식.1 == "do()" {
[INFO] [stdout] 61 | |             읽을까_말까 = true;
[INFO] [stdout] 62 | |         } else {
[INFO] [stdout] 63 | |             읽을까_말까 = false;
[INFO] [stdout] 64 | |         }
[INFO] [stdout]    | |_________^ help: you can reduce it to: `읽을까_말까 = 수식.1 == "do()";`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_bool_assign
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `다음_좌표` is never read
[INFO] [stdout]   --> src/day04.rs:87:21
[INFO] [stdout]    |
[INFO] [stdout] 87 |     let mut 다음_좌표 = Vec::new();
[INFO] [stdout]    |                         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day04.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     return (행렬표, 좌우, 상하);
[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] 32 -     return (행렬표, 좌우, 상하);
[INFO] [stdout] 32 +     (행렬표, 좌우, 상하)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/day04.rs:74:20
[INFO] [stdout]    |
[INFO] [stdout] 74 |                 if s_좌표.len() != 0 {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!s_좌표.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout]    = note: `#[warn(clippy::len_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day04.rs:141:5
[INFO] [stdout]     |
[INFO] [stdout] 141 |     return 다음_좌표;
[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] 141 -     return 다음_좌표;
[INFO] [stdout] 141 +     다음_좌표
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day04.rs:217:5
[INFO] [stdout]     |
[INFO] [stdout] 217 |     return 다음_좌표;
[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] 217 -     return 다음_좌표;
[INFO] [stdout] 217 +     다음_좌표
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day05.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     return 총점;
[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] 43 -     return 총점;
[INFO] [stdout] 43 +     총점
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `문서` is never read
[INFO] [stdout]   --> src/day05.rs:49:6
[INFO] [stdout]    |
[INFO] [stdout] 49 |     (문서, 총점) = 재정렬을_해볼까(문서, 딱_맞는_규칙);
[INFO] [stdout]    |      ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `총점` is never read
[INFO] [stdout]   --> src/day05.rs:47:22
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let mut 총점:i32 = 0;
[INFO] [stdout]    |                        ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day05.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     return 총점;
[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] 51 -     return 총점;
[INFO] [stdout] 51 +     총점
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day05.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 93 |     return (문서, 총점);
[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] 93 -     return (문서, 총점);
[INFO] [stdout] 93 +     (문서, 총점)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this pattern takes a reference on something that is being dereferenced
[INFO] [stdout]   --> src/day05.rs:58:27
[INFO] [stdout]    |
[INFO] [stdout] 58 |         'inner: for (순번,  &ref 규칙) in 딱_맞는_규칙.iter().enumerate() {
[INFO] [stdout]    |                             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrowed_reference
[INFO] [stdout]    = note: `#[warn(clippy::needless_borrowed_reference)]` on by default
[INFO] [stdout] help: try removing the `&ref` part
[INFO] [stdout]    |
[INFO] [stdout] 58 -         'inner: for (순번,  &ref 규칙) in 딱_맞는_규칙.iter().enumerate() {
[INFO] [stdout] 58 +         'inner: for (순번,  규칙) in 딱_맞는_규칙.iter().enumerate() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day06.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     return (경비, 장애물들, 지도_크기);
[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] 49 -     return (경비, 장애물들, 지도_크기);
[INFO] [stdout] 49 +     (경비, 장애물들, 지도_크기)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day06.rs:110:5
[INFO] [stdout]     |
[INFO] [stdout] 110 |     return 경비;
[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] 110 -     return 경비;
[INFO] [stdout] 110 +     경비
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day06.rs:142:5
[INFO] [stdout]     |
[INFO] [stdout] 142 |     return 중복_제거.len() as i32 - 1;
[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] 142 -     return 중복_제거.len() as i32 - 1;
[INFO] [stdout] 142 +     중복_제거.len() as i32 - 1
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `(i32, i32)` which implements the `Copy` trait
[INFO] [stdout]    --> src/day06.rs:127:28
[INFO] [stdout]     |
[INFO] [stdout] 127 |             let 이번_방문_장소 = 경비.위치.clone();
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `경비.위치`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout]     = note: `#[warn(clippy::clone_on_copy)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `(i32, i32)` which implements the `Copy` trait
[INFO] [stdout]    --> src/day06.rs:128:25
[INFO] [stdout]     |
[INFO] [stdout] 128 |             방문한_장소.push(이번_방문_장소.clone());
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `이번_방문_장소`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `(i32, i32)` which implements the `Copy` trait
[INFO] [stdout]    --> src/day06.rs:133:28
[INFO] [stdout]     |
[INFO] [stdout] 133 |             let 이번_방문_장소 = 경비.위치.clone();
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `경비.위치`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `(i32, i32)` which implements the `Copy` trait
[INFO] [stdout]    --> src/day06.rs:134:25
[INFO] [stdout]     |
[INFO] [stdout] 134 |             방문한_장소.push(이번_방문_장소.clone());
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `이번_방문_장소`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day06.rs:223:5
[INFO] [stdout]     |
[INFO] [stdout] 223 |     return 여기다_이걸_놓으면_재밌겠다;
[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] 223 -     return 여기다_이걸_놓으면_재밌겠다;
[INFO] [stdout] 223 +     여기다_이걸_놓으면_재밌겠다
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `(i32, i32)` which implements the `Copy` trait
[INFO] [stdout]    --> src/day06.rs:160:28
[INFO] [stdout]     |
[INFO] [stdout] 160 |             let 이번_방문_장소 = 원본_경비.위치.clone();
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `원본_경비.위치`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `(i32, i32)` which implements the `Copy` trait
[INFO] [stdout]    --> src/day06.rs:161:28
[INFO] [stdout]     |
[INFO] [stdout] 161 |             원래_방문할_장소.push(이번_방문_장소.clone());
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `이번_방문_장소`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `(i32, i32)` which implements the `Copy` trait
[INFO] [stdout]    --> src/day06.rs:166:28
[INFO] [stdout]     |
[INFO] [stdout] 166 |             let 이번_방문_장소 = 원본_경비.위치.clone();
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `원본_경비.위치`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `(i32, i32)` which implements the `Copy` trait
[INFO] [stdout]    --> src/day06.rs:167:28
[INFO] [stdout]     |
[INFO] [stdout] 167 |             원래_방문할_장소.push(이번_방문_장소.clone());
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `이번_방문_장소`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `(i32, i32)` which implements the `Copy` trait
[INFO] [stdout]    --> src/day06.rs:203:32
[INFO] [stdout]     |
[INFO] [stdout] 203 |                 let 이번_방문_장소 = 자_이제_게임을_시작하지.위치.clone();
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `자_이제_게임을_시작하지.위치`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `(i32, i32)` which implements the `Copy` trait
[INFO] [stdout]    --> src/day06.rs:204:29
[INFO] [stdout]     |
[INFO] [stdout] 204 |                 방문한_장소.push(이번_방문_장소.clone());
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `이번_방문_장소`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `(i32, i32)` which implements the `Copy` trait
[INFO] [stdout]    --> src/day06.rs:209:32
[INFO] [stdout]     |
[INFO] [stdout] 209 |                 let 이번_방문_장소 = 자_이제_게임을_시작하지.위치.clone();
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `자_이제_게임을_시작하지.위치`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `(i32, i32)` which implements the `Copy` trait
[INFO] [stdout]    --> src/day06.rs:210:29
[INFO] [stdout]     |
[INFO] [stdout] 210 |                 방문한_장소.push(이번_방문_장소.clone());
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `이번_방문_장소`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day07.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 |     return 결과;
[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] 83 -     return 결과;
[INFO] [stdout] 83 +     결과
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function call inside of `expect`
[INFO] [stdout]   --> src/day07.rs:13:18
[INFO] [stdout]    |
[INFO] [stdout] 13 |                 .expect(&format!("{:?}에서 에러가 났네요", 한줄));
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `unwrap_or_else(|_| panic!("{:?}에서 에러가 났네요", 한줄))`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stdout]    = note: `#[warn(clippy::expect_fun_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `입력`
[INFO] [stdout]    --> src/day08.rs:163:14
[INFO] [stdout]     |
[INFO] [stdout] 163 | pub fn part2(입력: &str) -> i32 {
[INFO] [stdout]     |              ^^^^ help: if this is intentional, prefix it with an underscore: `_입력`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `차이점_점수_구하기` is never used
[INFO] [stdout]   --> src/day01.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn 차이점_점수_구하기(왼쪽_메모:Vec<i32>, 오른쪽_메모:Vec<i32>) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `초콜렛이_먹고싶은데` is never used
[INFO] [stdout]   --> src/day08.rs:70:4
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn 초콜렛이_먹고싶은데(이번_계산_대상:Vec<&안테나>, mut 공명_극대화_지점:HashSet<(i32, i32)>, 맵_크기:(i32, i32)) -> HashSet<(i32, i...
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day01.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     return 총점;
[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] 19 -     return 총점;
[INFO] [stdout] 19 +     총점
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::str::SplitAsciiWhitespace<'_>`
[INFO] [stdout]   --> src/day07.rs:14:37
[INFO] [stdout]    |
[INFO] [stdout] 14 |             let 임시_수식구성:Vec<i128> = 임시.into_iter()
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `임시`
[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: unneeded `return` statement
[INFO] [stdout]   --> src/day01.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     return 총점;
[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] 31 -     return 총점;
[INFO] [stdout] 31 +     총점
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]   --> src/day01.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |             차이 = 차이*-1;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ help: replace it with: `차이 *= -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]    = note: `#[warn(clippy::assign_op_pattern)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this multiplication by -1 can be written more succinctly
[INFO] [stdout]   --> src/day01.rs:27:18
[INFO] [stdout]    |
[INFO] [stdout] 27 |             차이 = 차이*-1;
[INFO] [stdout]    |                    ^^^^^^^ help: consider using: `-차이`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#neg_multiply
[INFO] [stdout]    = note: `#[warn(clippy::neg_multiply)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day01.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     return 총점;
[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] 43 -     return 총점;
[INFO] [stdout] 43 +     총점
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]   --> src/day01.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         총점 = 총점 + (숫자*개수);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `총점 += (숫자*개수)`
[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: importing legacy numeric constants
[INFO] [stdout]  --> src/day02.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::i32;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: remove this import
[INFO] [stdout]   = note: then `i32::<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: function call inside of `expect`
[INFO] [stdout]   --> src/day07.rs:55:65
[INFO] [stdout]    |
[INFO] [stdout] 55 | ...                   중간결과 = 중간결과.checked_add(*계산할_수).expect(&format!("으악 숫자가 넘친다 -> {}", 수식.0));
[INFO] [stdout]    |                                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `unwrap_or_else(|| panic!("으악 숫자가 넘친다 -> {}", 수식.0))`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function call inside of `expect`
[INFO] [stdout]   --> src/day07.rs:59:65
[INFO] [stdout]    |
[INFO] [stdout] 59 | ...                   중간결과 = 중간결과.checked_mul(*계산할_수).expect(&format!("으악 숫자가 넘친다 -> {}", 수식.0));
[INFO] [stdout]    |                                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `unwrap_or_else(|| panic!("으악 숫자가 넘친다 -> {}", 수식.0))`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day02.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     return 보고_수량 - 불안전;
[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] 20 -     return 보고_수량 - 불안전;
[INFO] [stdout] 20 +     보고_수량 - 불안전
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`i128` -> `i128`)
[INFO] [stdout]   --> src/day07.rs:80:15
[INFO] [stdout]    |
[INFO] [stdout] 80 |         결과 += 한번만_더해야지 as i128;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `한번만_더해야지`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_cast)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]   --> src/day02.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |         보고_수량 = 보고_수량 + 1;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `보고_수량 += 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/day07.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |         return 결과;
[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] 107 -         return 결과;
[INFO] [stdout] 107 +         결과
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day02.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 |     return 보고_수량 - 불안전;
[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] 64 -     return 보고_수량 - 불안전;
[INFO] [stdout] 64 +     보고_수량 - 불안전
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `내부순서` is used to index `보고정보`
[INFO] [stdout]   --> src/day02.rs:42:29
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 for 내부순서 in 0..보고정보.len() {
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout]    = note: `#[warn(clippy::needless_range_loop)]` on by default
[INFO] [stdout] help: consider using an iterator and enumerate()
[INFO] [stdout]    |
[INFO] [stdout] 42 -                 for 내부순서 in 0..보고정보.len() {
[INFO] [stdout] 42 +                 for (내부순서, <item>) in 보고정보.iter().enumerate() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]   --> src/day02.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |         보고_수량 = 보고_수량 + 1;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `보고_수량 += 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/day08.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     return 공명_극대화_지점.len();
[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] 52 -     return 공명_극대화_지점.len();
[INFO] [stdout] 52 +     공명_극대화_지점.len()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/day02.rs:77:16
[INFO] [stdout]    |
[INFO] [stdout] 77 |               if (수차 == 0) || (수차 > 3) || (수차 < -3) || 
[INFO] [stdout]    |  ________________^
[INFO] [stdout] 78 | |                 ((0 < 수차) && (수차 <= 3) && 직전_수차 == "m") || 
[INFO] [stdout]    | |_______________________________________________________________^ help: try: `(수차 == 0) || (수차 > 3) || (수차 < -3) || (0 < 수차) && 직전_수차 == "m"`
[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: unneeded `return` statement
[INFO] [stdout]   --> src/day02.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 91 |     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] 91 -     return true;
[INFO] [stdout] 91 +     true
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `순서` is used to index `보고정보`
[INFO] [stdout]   --> src/day02.rs:70:15
[INFO] [stdout]    |
[INFO] [stdout] 70 |     for 순서 in 0..보고정보.len() {
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator and enumerate()
[INFO] [stdout]    |
[INFO] [stdout] 70 -     for 순서 in 0..보고정보.len() {
[INFO] [stdout] 70 +     for (순서, <item>) in 보고정보.iter().enumerate() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day08.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     return 가능한_조합;
[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] 67 -     return 가능한_조합;
[INFO] [stdout] 67 +     가능한_조합
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual `!RangeInclusive::contains` implementation
[INFO] [stdout]   --> src/day02.rs:77:29
[INFO] [stdout]    |
[INFO] [stdout] 77 |             if (수차 == 0) || (수차 > 3) || (수차 < -3) || 
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `!(-3..=3).contains(&수차)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_range_contains
[INFO] [stdout]    = note: `#[warn(clippy::manual_range_contains)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual `Range::contains` implementation
[INFO] [stdout]   --> src/day02.rs:79:18
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 ((0 > 수차) && (수차 >= -3) && 직전_수차 == "p") {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `(-3..0).contains(&수차)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_range_contains
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day08.rs:103:5
[INFO] [stdout]     |
[INFO] [stdout] 103 |     return 공명_극대화_지점;
[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] 103 -     return 공명_극대화_지점;
[INFO] [stdout] 103 +     공명_극대화_지점
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day03.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     return 결과값;
[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] 18 -     return 결과값;
[INFO] [stdout] 18 +     결과값
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day08.rs:158:5
[INFO] [stdout]     |
[INFO] [stdout] 158 |     return 공명_극대화_지점;
[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] 158 -     return 공명_극대화_지점;
[INFO] [stdout] 158 +     공명_극대화_지점
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day03.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 |     return 결과값;
[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] 82 -     return 결과값;
[INFO] [stdout] 82 +     결과값
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this if-then-else expression assigns a bool literal
[INFO] [stdout]   --> src/day03.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | /     if 긍정_제어수식[0].1 == "don't()" {
[INFO] [stdout] 43 | |         읽을까_말까 = false;
[INFO] [stdout] 44 | |     } else {
[INFO] [stdout] 45 | |         읽을까_말까 = true;
[INFO] [stdout] 46 | |     }
[INFO] [stdout]    | |_____^ help: you can reduce it to: `읽을까_말까 = 긍정_제어수식[0].1 != "don't()";`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_bool_assign
[INFO] [stdout]    = note: `#[warn(clippy::needless_bool_assign)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this if-then-else expression assigns a bool literal
[INFO] [stdout]   --> src/day03.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 | /         if 수식.1 == "do()" {
[INFO] [stdout] 61 | |             읽을까_말까 = true;
[INFO] [stdout] 62 | |         } else {
[INFO] [stdout] 63 | |             읽을까_말까 = false;
[INFO] [stdout] 64 | |         }
[INFO] [stdout]    | |_________^ help: you can reduce it to: `읽을까_말까 = 수식.1 == "do()";`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_bool_assign
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day04.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     return (행렬표, 좌우, 상하);
[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] 32 -     return (행렬표, 좌우, 상하);
[INFO] [stdout] 32 +     (행렬표, 좌우, 상하)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/day04.rs:74:20
[INFO] [stdout]    |
[INFO] [stdout] 74 |                 if s_좌표.len() != 0 {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!s_좌표.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout]    = note: `#[warn(clippy::len_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day04.rs:141:5
[INFO] [stdout]     |
[INFO] [stdout] 141 |     return 다음_좌표;
[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] 141 -     return 다음_좌표;
[INFO] [stdout] 141 +     다음_좌표
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day04.rs:217:5
[INFO] [stdout]     |
[INFO] [stdout] 217 |     return 다음_좌표;
[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] 217 -     return 다음_좌표;
[INFO] [stdout] 217 +     다음_좌표
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day05.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     return 총점;
[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] 43 -     return 총점;
[INFO] [stdout] 43 +     총점
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day05.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     return 총점;
[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] 51 -     return 총점;
[INFO] [stdout] 51 +     총점
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day05.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 93 |     return (문서, 총점);
[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] 93 -     return (문서, 총점);
[INFO] [stdout] 93 +     (문서, 총점)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this pattern takes a reference on something that is being dereferenced
[INFO] [stdout]   --> src/day05.rs:58:27
[INFO] [stdout]    |
[INFO] [stdout] 58 |         'inner: for (순번,  &ref 규칙) in 딱_맞는_규칙.iter().enumerate() {
[INFO] [stdout]    |                             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrowed_reference
[INFO] [stdout]    = note: `#[warn(clippy::needless_borrowed_reference)]` on by default
[INFO] [stdout] help: try removing the `&ref` part
[INFO] [stdout]    |
[INFO] [stdout] 58 -         'inner: for (순번,  &ref 규칙) in 딱_맞는_규칙.iter().enumerate() {
[INFO] [stdout] 58 +         'inner: for (순번,  규칙) in 딱_맞는_규칙.iter().enumerate() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day06.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     return (경비, 장애물들, 지도_크기);
[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] 49 -     return (경비, 장애물들, 지도_크기);
[INFO] [stdout] 49 +     (경비, 장애물들, 지도_크기)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day06.rs:110:5
[INFO] [stdout]     |
[INFO] [stdout] 110 |     return 경비;
[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] 110 -     return 경비;
[INFO] [stdout] 110 +     경비
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day06.rs:142:5
[INFO] [stdout]     |
[INFO] [stdout] 142 |     return 중복_제거.len() as i32 - 1;
[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] 142 -     return 중복_제거.len() as i32 - 1;
[INFO] [stdout] 142 +     중복_제거.len() as i32 - 1
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `(i32, i32)` which implements the `Copy` trait
[INFO] [stdout]    --> src/day06.rs:127:28
[INFO] [stdout]     |
[INFO] [stdout] 127 |             let 이번_방문_장소 = 경비.위치.clone();
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `경비.위치`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout]     = note: `#[warn(clippy::clone_on_copy)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `(i32, i32)` which implements the `Copy` trait
[INFO] [stdout]    --> src/day06.rs:128:25
[INFO] [stdout]     |
[INFO] [stdout] 128 |             방문한_장소.push(이번_방문_장소.clone());
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `이번_방문_장소`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `(i32, i32)` which implements the `Copy` trait
[INFO] [stdout]    --> src/day06.rs:133:28
[INFO] [stdout]     |
[INFO] [stdout] 133 |             let 이번_방문_장소 = 경비.위치.clone();
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `경비.위치`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `(i32, i32)` which implements the `Copy` trait
[INFO] [stdout]    --> src/day06.rs:134:25
[INFO] [stdout]     |
[INFO] [stdout] 134 |             방문한_장소.push(이번_방문_장소.clone());
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `이번_방문_장소`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day06.rs:223:5
[INFO] [stdout]     |
[INFO] [stdout] 223 |     return 여기다_이걸_놓으면_재밌겠다;
[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] 223 -     return 여기다_이걸_놓으면_재밌겠다;
[INFO] [stdout] 223 +     여기다_이걸_놓으면_재밌겠다
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `(i32, i32)` which implements the `Copy` trait
[INFO] [stdout]    --> src/day06.rs:160:28
[INFO] [stdout]     |
[INFO] [stdout] 160 |             let 이번_방문_장소 = 원본_경비.위치.clone();
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `원본_경비.위치`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `(i32, i32)` which implements the `Copy` trait
[INFO] [stdout]    --> src/day06.rs:161:28
[INFO] [stdout]     |
[INFO] [stdout] 161 |             원래_방문할_장소.push(이번_방문_장소.clone());
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `이번_방문_장소`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `(i32, i32)` which implements the `Copy` trait
[INFO] [stdout]    --> src/day06.rs:166:28
[INFO] [stdout]     |
[INFO] [stdout] 166 |             let 이번_방문_장소 = 원본_경비.위치.clone();
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `원본_경비.위치`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `(i32, i32)` which implements the `Copy` trait
[INFO] [stdout]    --> src/day06.rs:167:28
[INFO] [stdout]     |
[INFO] [stdout] 167 |             원래_방문할_장소.push(이번_방문_장소.clone());
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `이번_방문_장소`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `(i32, i32)` which implements the `Copy` trait
[INFO] [stdout]    --> src/day06.rs:203:32
[INFO] [stdout]     |
[INFO] [stdout] 203 |                 let 이번_방문_장소 = 자_이제_게임을_시작하지.위치.clone();
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `자_이제_게임을_시작하지.위치`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `(i32, i32)` which implements the `Copy` trait
[INFO] [stdout]    --> src/day06.rs:204:29
[INFO] [stdout]     |
[INFO] [stdout] 204 |                 방문한_장소.push(이번_방문_장소.clone());
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `이번_방문_장소`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `(i32, i32)` which implements the `Copy` trait
[INFO] [stdout]    --> src/day06.rs:209:32
[INFO] [stdout]     |
[INFO] [stdout] 209 |                 let 이번_방문_장소 = 자_이제_게임을_시작하지.위치.clone();
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `자_이제_게임을_시작하지.위치`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `(i32, i32)` which implements the `Copy` trait
[INFO] [stdout]    --> src/day06.rs:210:29
[INFO] [stdout]     |
[INFO] [stdout] 210 |                 방문한_장소.push(이번_방문_장소.clone());
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `이번_방문_장소`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day07.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 |     return 결과;
[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] 83 -     return 결과;
[INFO] [stdout] 83 +     결과
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function call inside of `expect`
[INFO] [stdout]   --> src/day07.rs:13:18
[INFO] [stdout]    |
[INFO] [stdout] 13 |                 .expect(&format!("{:?}에서 에러가 났네요", 한줄));
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `unwrap_or_else(|_| panic!("{:?}에서 에러가 났네요", 한줄))`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stdout]    = note: `#[warn(clippy::expect_fun_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::str::SplitAsciiWhitespace<'_>`
[INFO] [stdout]   --> src/day07.rs:14:37
[INFO] [stdout]    |
[INFO] [stdout] 14 |             let 임시_수식구성:Vec<i128> = 임시.into_iter()
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `임시`
[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: function call inside of `expect`
[INFO] [stdout]   --> src/day07.rs:55:65
[INFO] [stdout]    |
[INFO] [stdout] 55 | ...                   중간결과 = 중간결과.checked_add(*계산할_수).expect(&format!("으악 숫자가 넘친다 -> {}", 수식.0));
[INFO] [stdout]    |                                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `unwrap_or_else(|| panic!("으악 숫자가 넘친다 -> {}", 수식.0))`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function call inside of `expect`
[INFO] [stdout]   --> src/day07.rs:59:65
[INFO] [stdout]    |
[INFO] [stdout] 59 | ...                   중간결과 = 중간결과.checked_mul(*계산할_수).expect(&format!("으악 숫자가 넘친다 -> {}", 수식.0));
[INFO] [stdout]    |                                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `unwrap_or_else(|| panic!("으악 숫자가 넘친다 -> {}", 수식.0))`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`i128` -> `i128`)
[INFO] [stdout]   --> src/day07.rs:80:15
[INFO] [stdout]    |
[INFO] [stdout] 80 |         결과 += 한번만_더해야지 as i128;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `한번만_더해야지`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_cast)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day07.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |         return 결과;
[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] 107 -         return 결과;
[INFO] [stdout] 107 +         결과
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day08.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     return 공명_극대화_지점.len();
[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] 52 -     return 공명_극대화_지점.len();
[INFO] [stdout] 52 +     공명_극대화_지점.len()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day08.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     return 가능한_조합;
[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] 67 -     return 가능한_조합;
[INFO] [stdout] 67 +     가능한_조합
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day08.rs:103:5
[INFO] [stdout]     |
[INFO] [stdout] 103 |     return 공명_극대화_지점;
[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] 103 -     return 공명_극대화_지점;
[INFO] [stdout] 103 +     공명_극대화_지점
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day08.rs:158:5
[INFO] [stdout]     |
[INFO] [stdout] 158 |     return 공명_극대화_지점;
[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] 158 -     return 공명_극대화_지점;
[INFO] [stdout] 158 +     공명_극대화_지점
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     return 내용;
[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] 14 -     return 내용;
[INFO] [stdout] 14 +     내용
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     return 내용;
[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] 14 -     return 내용;
[INFO] [stdout] 14 +     내용
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.77s
[INFO] running `Command { std: "docker" "inspect" "056f232b894643baae61762865e45e2a589d071af037f753ca683fe36921e250", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "056f232b894643baae61762865e45e2a589d071af037f753ca683fe36921e250", kill_on_drop: false }`
[INFO] [stdout] 056f232b894643baae61762865e45e2a589d071af037f753ca683fe36921e250