[INFO] fetching crate cliff3-util 0.2.5...
[INFO] linting cliff3-util-0.2.5 against nightly for clippy-nonminimal_bool-denied
[INFO] extracting crate cliff3-util 0.2.5 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate cliff3-util 0.2.5
[INFO] finished tweaking crates.io crate cliff3-util 0.2.5
[INFO] tweaked toml for crates.io crate cliff3-util 0.2.5 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cliff3-util 0.2.5 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 }`
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[INFO] running `Command { std: "docker" "inspect" "7b017f0913085024e75cc7cdaff637cf93565c7bdec7f8002be41f477e61764b", kill_on_drop: false }`
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[INFO] [stdout] 05c4c55efcf95f7175601f4040f5126c3494e2423bc60900a242d0ecb9ec6fda
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[INFO] [stderr]     Checking cliff3-util v0.2.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/error.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         return std::any::type_name::<MissingArgumentError>();
[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] 43 -         return std::any::type_name::<MissingArgumentError>();
[INFO] [stdout] 43 +         std::any::type_name::<MissingArgumentError>()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/error.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |         return std::any::type_name::<InvalidArgumentError>();
[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] 90 -         return std::any::type_name::<InvalidArgumentError>();
[INFO] [stdout] 90 +         std::any::type_name::<InvalidArgumentError>()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to use `.enumerate()` and immediately discard the index
[INFO] [stdout]    --> src/string_util.rs:228:40
[INFO] [stdout]     |
[INFO] [stdout] 228 |                 for (_, t) in v.chars().enumerate() {
[INFO] [stdout]     |                                        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_enumerate_index
[INFO] [stdout]     = note: `#[warn(clippy::unused_enumerate_index)]` on by default
[INFO] [stdout] help: remove the `.enumerate()` call
[INFO] [stdout]     |
[INFO] [stdout] 228 -                 for (_, t) in v.chars().enumerate() {
[INFO] [stdout] 228 +                 for t in v.chars() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual `RangeInclusive::contains` implementation
[INFO] [stdout]    --> src/string_util.rs:229:24
[INFO] [stdout]     |
[INFO] [stdout] 229 |                     if t >= '가' && t <= '힣' {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^ help: use: `('가'..='힣').contains(&t)`
[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: you seem to use `.enumerate()` and immediately discard the index
[INFO] [stdout]    --> src/string_util.rs:287:40
[INFO] [stdout]     |
[INFO] [stdout] 287 |                 for (_, t) in v.chars().enumerate() {
[INFO] [stdout]     |                                        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_enumerate_index
[INFO] [stdout] help: remove the `.enumerate()` call
[INFO] [stdout]     |
[INFO] [stdout] 287 -                 for (_, t) in v.chars().enumerate() {
[INFO] [stdout] 287 +                 for t in v.chars() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual `RangeInclusive::contains` implementation
[INFO] [stdout]    --> src/string_util.rs:288:24
[INFO] [stdout]     |
[INFO] [stdout] 288 |                     if t >= '가' && t <= '힣' {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^ help: use: `('가'..='힣').contains(&t)`
[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: manual implementation of an assign operation
[INFO] [stdout]    --> src/string_util.rs:295:25
[INFO] [stdout]     |
[INFO] [stdout] 295 |                         consonant = consonant % 588;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `consonant %= 588`
[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: manual implementation of an assign operation
[INFO] [stdout]    --> src/string_util.rs:299:25
[INFO] [stdout]     |
[INFO] [stdout] 299 |                         consonant = consonant % 28;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `consonant %= 28`
[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: you seem to use `.enumerate()` and immediately discard the index
[INFO] [stdout]    --> src/string_util.rs:358:40
[INFO] [stdout]     |
[INFO] [stdout] 358 |                 for (_, t) in v.chars().enumerate() {
[INFO] [stdout]     |                                        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_enumerate_index
[INFO] [stdout] help: remove the `.enumerate()` call
[INFO] [stdout]     |
[INFO] [stdout] 358 -                 for (_, t) in v.chars().enumerate() {
[INFO] [stdout] 358 +                 for t in v.chars() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual `RangeInclusive::contains` implementation
[INFO] [stdout]    --> src/string_util.rs:359:24
[INFO] [stdout]     |
[INFO] [stdout] 359 |                     if t >= '가' && t <= '힣' {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^ help: use: `('가'..='힣').contains(&t)`
[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: manual `RangeInclusive::contains` implementation
[INFO] [stdout]    --> src/string_util.rs:388:31
[INFO] [stdout]     |
[INFO] [stdout] 388 |                     } else if t >= 'ㄱ' && t <= 'ㅣ' {
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^ help: use: `('ㄱ'..='ㅣ').contains(&t)`
[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/string_util.rs:438:5
[INFO] [stdout]     |
[INFO] [stdout] 438 |     return Some(v.join(""));
[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] 438 -     return Some(v.join(""));
[INFO] [stdout] 438 +     Some(v.join(""))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this block may be rewritten with the `?` operator
[INFO] [stdout]    --> src/string_util.rs:422:5
[INFO] [stdout]     |
[INFO] [stdout] 422 | /     if target.is_none() {
[INFO] [stdout] 423 | |         return None;
[INFO] [stdout] 424 | |     }
[INFO] [stdout]     | |_____^ help: replace it with: `target?;`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#question_mark
[INFO] [stdout]     = note: `#[warn(clippy::question_mark)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/encrypt_util.rs:172:12
[INFO] [stdout]     |
[INFO] [stdout] 172 |         if !salt.is_none() && !salt.unwrap().is_empty() {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^ help: try: `salt.is_some()`
[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: called `unwrap` on `salt` after checking its variant with `is_none`
[INFO] [stdout]    --> src/encrypt_util.rs:173:26
[INFO] [stdout]     |
[INFO] [stdout] 172 |         if !salt.is_none() && !salt.unwrap().is_empty() {
[INFO] [stdout]     |             -------------- the check is happening here
[INFO] [stdout] 173 |             _hash.update(salt.unwrap().as_bytes());
[INFO] [stdout]     |                          ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: try using `match`
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_unwrap
[INFO] [stdout]     = note: `#[warn(clippy::unnecessary_unwrap)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/encrypt_util.rs:178:9
[INFO] [stdout]     |
[INFO] [stdout] 178 |         return Ok(Box::from(result.as_slice()));
[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] 178 -         return Ok(Box::from(result.as_slice()));
[INFO] [stdout] 178 +         Ok(Box::from(result.as_slice()))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of `Option::map`
[INFO] [stdout]    --> src/encrypt_util.rs:252:19
[INFO] [stdout]     |
[INFO] [stdout] 252 |               salt: match salt {
[INFO] [stdout]     |  ___________________^
[INFO] [stdout] 253 | |                 None => None,
[INFO] [stdout] 254 | |                 Some(v) => Some(Vec::from(v)),
[INFO] [stdout] 255 | |             },
[INFO] [stdout]     | |_____________^ help: try: `salt.map(Vec::from)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_map
[INFO] [stdout]     = note: `#[warn(clippy::manual_map)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/encrypt_util.rs:270:9
[INFO] [stdout]     |
[INFO] [stdout] 270 | /         return match &self.salt {
[INFO] [stdout] 271 | |             None => None,
[INFO] [stdout] 272 | |             Some(v) => {
[INFO] [stdout] 273 | |                 return Some(v.as_ref());
[INFO] [stdout] 274 | |             }
[INFO] [stdout] 275 | |         };
[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] 270 ~         match &self.salt {
[INFO] [stdout] 271 +             None => None,
[INFO] [stdout] 272 +             Some(v) => {
[INFO] [stdout] 273 +                 return Some(v.as_ref());
[INFO] [stdout] 274 +             }
[INFO] [stdout] 275 ~         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/encrypt_util.rs:306:9
[INFO] [stdout]     |
[INFO] [stdout] 306 | /         return match &self.salt {
[INFO] [stdout] 307 | |             None => None,
[INFO] [stdout] 308 | |             Some(v) => {
[INFO] [stdout] 309 | |                 return Some(v.as_ref());
[INFO] [stdout] 310 | |             }
[INFO] [stdout] 311 | |         };
[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] 306 ~         match &self.salt {
[INFO] [stdout] 307 +             None => None,
[INFO] [stdout] 308 +             Some(v) => {
[INFO] [stdout] 309 +                 return Some(v.as_ref());
[INFO] [stdout] 310 +             }
[INFO] [stdout] 311 ~         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/encrypt_util.rs:317:9
[INFO] [stdout]     |
[INFO] [stdout] 317 |         return self.result.as_ref();
[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] 317 -         return self.result.as_ref();
[INFO] [stdout] 317 +         self.result.as_ref()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/encrypt_util.rs:323:9
[INFO] [stdout]     |
[INFO] [stdout] 323 |         return self.iv.as_ref();
[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] 323 -         return self.iv.as_ref();
[INFO] [stdout] 323 +         self.iv.as_ref()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/encrypt_util.rs:351:5
[INFO] [stdout]     |
[INFO] [stdout] 351 | /     return match salt {
[INFO] [stdout] 352 | |         None => Ok(()),
[INFO] [stdout] 353 | |         Some(v) => {
[INFO] [stdout] 354 | |             return if v.len() != 8 {
[INFO] [stdout] ...   |
[INFO] [stdout] 362 | |     };
[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] 351 ~     match salt {
[INFO] [stdout] 352 +         None => Ok(()),
[INFO] [stdout] 353 +         Some(v) => {
[INFO] [stdout] 354 +             return if v.len() != 8 {
[INFO] [stdout] 355 +                 Err(InvalidArgumentError::from(
[INFO] [stdout] 356 +                     "Salt length is invalid(must 8 bytes)",
[INFO] [stdout] 357 +                 ))
[INFO] [stdout] 358 +             } else {
[INFO] [stdout] 359 +                 Ok(())
[INFO] [stdout] 360 +             };
[INFO] [stdout] 361 +         }
[INFO] [stdout] 362 ~     }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/encrypt_util.rs:538:16
[INFO] [stdout]     |
[INFO] [stdout] 538 |             if v.len() == 0 {
[INFO] [stdout]     |                ^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `v.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/encrypt_util.rs:817:5
[INFO] [stdout]     |
[INFO] [stdout] 817 |     return Ok(rsa.unwrap());
[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] 817 -     return Ok(rsa.unwrap());
[INFO] [stdout] 817 +     Ok(rsa.unwrap())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/encrypt_util.rs:904:5
[INFO] [stdout]     |
[INFO] [stdout] 904 |     return Ok(Box::from(rsa_result));
[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] 904 -     return Ok(Box::from(rsa_result));
[INFO] [stdout] 904 +     Ok(Box::from(rsa_result))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/encrypt_util.rs:970:5
[INFO] [stdout]     |
[INFO] [stdout] 970 |     return Ok(Vec::from(final_result)); // 실제 복호화된 길이 만큼만 반환
[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] 970 -     return Ok(Vec::from(final_result)); // 실제 복호화된 길이 만큼만 반환
[INFO] [stdout] 970 +     Ok(Vec::from(final_result))// 실제 복호화된 길이 만큼만 반환
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]     --> src/encrypt_util.rs:1000:5
[INFO] [stdout]      |
[INFO] [stdout] 1000 |     return Ok(Box::from(buffer.as_slice()));
[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] 1000 -     return Ok(Box::from(buffer.as_slice()));
[INFO] [stdout] 1000 +     Ok(Box::from(buffer.as_slice()))
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `openssl::rsa::Rsa<openssl::pkey::Public>`
[INFO] [stdout]    --> src/encrypt_util.rs:988:15
[INFO] [stdout]     |
[INFO] [stdout] 988 |     let rsa = Rsa::from(public_key);
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^ help: consider removing `Rsa::from()`: `public_key`
[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/io_util.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         return path.join("");
[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] 69 -         return path.join("");
[INFO] [stdout] 69 +         path.join("")
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/io_util.rs:167:5
[INFO] [stdout]     |
[INFO] [stdout] 167 |     return Ok(result.into_boxed_path());
[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] 167 -     return Ok(result.into_boxed_path());
[INFO] [stdout] 167 +     Ok(result.into_boxed_path())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `unwrap_err` on `naive_datetime` after checking its variant with `is_err`
[INFO] [stdout]   --> src/date_util.rs:65:19
[INFO] [stdout]    |
[INFO] [stdout] 64 |     if naive_datetime.is_err() {
[INFO] [stdout]    |     -------------------------- help: try: `if let Err(<item>) = &naive_datetime`
[INFO] [stdout] 65 |         let err = naive_datetime.as_ref().unwrap_err();
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_unwrap
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `unwrap_err` on `utc_datetime` after checking its variant with `is_err`
[INFO] [stdout]    --> src/date_util.rs:142:19
[INFO] [stdout]     |
[INFO] [stdout] 141 |     if utc_datetime.is_err() {
[INFO] [stdout]     |     ------------------------ help: try: `if let Err(<item>) = &utc_datetime`
[INFO] [stdout] 142 |         let err = utc_datetime.as_ref().unwrap_err();
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_unwrap
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `NaiveDateTime` which implements the `Copy` trait
[INFO] [stdout]    --> src/date_util.rs:242:22
[INFO] [stdout]     |
[INFO] [stdout] 242 |     let mut monday = datetime.clone();
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^ help: try dereferencing it: `*datetime`
[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 `NaiveDateTime` which implements the `Copy` trait
[INFO] [stdout]    --> src/date_util.rs:248:22
[INFO] [stdout]     |
[INFO] [stdout] 248 |     let mut sunday = monday.clone();
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^ help: try removing the `clone` call: `monday`
[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/error.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         return std::any::type_name::<MissingArgumentError>();
[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] 43 -         return std::any::type_name::<MissingArgumentError>();
[INFO] [stdout] 43 +         std::any::type_name::<MissingArgumentError>()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/error.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |         return std::any::type_name::<InvalidArgumentError>();
[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] 90 -         return std::any::type_name::<InvalidArgumentError>();
[INFO] [stdout] 90 +         std::any::type_name::<InvalidArgumentError>()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to use `.enumerate()` and immediately discard the index
[INFO] [stdout]    --> src/string_util.rs:228:40
[INFO] [stdout]     |
[INFO] [stdout] 228 |                 for (_, t) in v.chars().enumerate() {
[INFO] [stdout]     |                                        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_enumerate_index
[INFO] [stdout]     = note: `#[warn(clippy::unused_enumerate_index)]` on by default
[INFO] [stdout] help: remove the `.enumerate()` call
[INFO] [stdout]     |
[INFO] [stdout] 228 -                 for (_, t) in v.chars().enumerate() {
[INFO] [stdout] 228 +                 for t in v.chars() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual `RangeInclusive::contains` implementation
[INFO] [stdout]    --> src/string_util.rs:229:24
[INFO] [stdout]     |
[INFO] [stdout] 229 |                     if t >= '가' && t <= '힣' {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^ help: use: `('가'..='힣').contains(&t)`
[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: you seem to use `.enumerate()` and immediately discard the index
[INFO] [stdout]    --> src/string_util.rs:287:40
[INFO] [stdout]     |
[INFO] [stdout] 287 |                 for (_, t) in v.chars().enumerate() {
[INFO] [stdout]     |                                        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_enumerate_index
[INFO] [stdout] help: remove the `.enumerate()` call
[INFO] [stdout]     |
[INFO] [stdout] 287 -                 for (_, t) in v.chars().enumerate() {
[INFO] [stdout] 287 +                 for t in v.chars() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual `RangeInclusive::contains` implementation
[INFO] [stdout]    --> src/string_util.rs:288:24
[INFO] [stdout]     |
[INFO] [stdout] 288 |                     if t >= '가' && t <= '힣' {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^ help: use: `('가'..='힣').contains(&t)`
[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: manual implementation of an assign operation
[INFO] [stdout]    --> src/string_util.rs:295:25
[INFO] [stdout]     |
[INFO] [stdout] 295 |                         consonant = consonant % 588;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `consonant %= 588`
[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: manual implementation of an assign operation
[INFO] [stdout]    --> src/string_util.rs:299:25
[INFO] [stdout]     |
[INFO] [stdout] 299 |                         consonant = consonant % 28;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `consonant %= 28`
[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: you seem to use `.enumerate()` and immediately discard the index
[INFO] [stdout]    --> src/string_util.rs:358:40
[INFO] [stdout]     |
[INFO] [stdout] 358 |                 for (_, t) in v.chars().enumerate() {
[INFO] [stdout]     |                                        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_enumerate_index
[INFO] [stdout] help: remove the `.enumerate()` call
[INFO] [stdout]     |
[INFO] [stdout] 358 -                 for (_, t) in v.chars().enumerate() {
[INFO] [stdout] 358 +                 for t in v.chars() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual `RangeInclusive::contains` implementation
[INFO] [stdout]    --> src/string_util.rs:359:24
[INFO] [stdout]     |
[INFO] [stdout] 359 |                     if t >= '가' && t <= '힣' {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^ help: use: `('가'..='힣').contains(&t)`
[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: manual `RangeInclusive::contains` implementation
[INFO] [stdout]    --> src/string_util.rs:388:31
[INFO] [stdout]     |
[INFO] [stdout] 388 |                     } else if t >= 'ㄱ' && t <= 'ㅣ' {
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^ help: use: `('ㄱ'..='ㅣ').contains(&t)`
[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/string_util.rs:438:5
[INFO] [stdout]     |
[INFO] [stdout] 438 |     return Some(v.join(""));
[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] 438 -     return Some(v.join(""));
[INFO] [stdout] 438 +     Some(v.join(""))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this block may be rewritten with the `?` operator
[INFO] [stdout]    --> src/string_util.rs:422:5
[INFO] [stdout]     |
[INFO] [stdout] 422 | /     if target.is_none() {
[INFO] [stdout] 423 | |         return None;
[INFO] [stdout] 424 | |     }
[INFO] [stdout]     | |_____^ help: replace it with: `target?;`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#question_mark
[INFO] [stdout]     = note: `#[warn(clippy::question_mark)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/string_util.rs:506:17
[INFO] [stdout]     |
[INFO] [stdout] 506 |         assert!(!result.is_err());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^ help: try: `result.is_ok()`
[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: this boolean expression can be simplified
[INFO] [stdout]    --> src/string_util.rs:545:13
[INFO] [stdout]     |
[INFO] [stdout] 545 |             !validate_email(Some(email)).is_err(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `validate_email(Some(email)).is_ok()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/string_util.rs:552:13
[INFO] [stdout]     |
[INFO] [stdout] 552 |             !validate_email(Some(email)).is_err(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `validate_email(Some(email)).is_ok()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/string_util.rs:559:13
[INFO] [stdout]     |
[INFO] [stdout] 559 |             !validate_email(Some(email)).is_err(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `validate_email(Some(email)).is_ok()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/encrypt_util.rs:172:12
[INFO] [stdout]     |
[INFO] [stdout] 172 |         if !salt.is_none() && !salt.unwrap().is_empty() {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^ help: try: `salt.is_some()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `unwrap` on `salt` after checking its variant with `is_none`
[INFO] [stdout]    --> src/encrypt_util.rs:173:26
[INFO] [stdout]     |
[INFO] [stdout] 172 |         if !salt.is_none() && !salt.unwrap().is_empty() {
[INFO] [stdout]     |             -------------- the check is happening here
[INFO] [stdout] 173 |             _hash.update(salt.unwrap().as_bytes());
[INFO] [stdout]     |                          ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: try using `match`
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_unwrap
[INFO] [stdout]     = note: `#[warn(clippy::unnecessary_unwrap)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/encrypt_util.rs:178:9
[INFO] [stdout]     |
[INFO] [stdout] 178 |         return Ok(Box::from(result.as_slice()));
[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] 178 -         return Ok(Box::from(result.as_slice()));
[INFO] [stdout] 178 +         Ok(Box::from(result.as_slice()))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of `Option::map`
[INFO] [stdout]    --> src/encrypt_util.rs:252:19
[INFO] [stdout]     |
[INFO] [stdout] 252 |               salt: match salt {
[INFO] [stdout]     |  ___________________^
[INFO] [stdout] 253 | |                 None => None,
[INFO] [stdout] 254 | |                 Some(v) => Some(Vec::from(v)),
[INFO] [stdout] 255 | |             },
[INFO] [stdout]     | |_____________^ help: try: `salt.map(Vec::from)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_map
[INFO] [stdout]     = note: `#[warn(clippy::manual_map)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/encrypt_util.rs:270:9
[INFO] [stdout]     |
[INFO] [stdout] 270 | /         return match &self.salt {
[INFO] [stdout] 271 | |             None => None,
[INFO] [stdout] 272 | |             Some(v) => {
[INFO] [stdout] 273 | |                 return Some(v.as_ref());
[INFO] [stdout] 274 | |             }
[INFO] [stdout] 275 | |         };
[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] 270 ~         match &self.salt {
[INFO] [stdout] 271 +             None => None,
[INFO] [stdout] 272 +             Some(v) => {
[INFO] [stdout] 273 +                 return Some(v.as_ref());
[INFO] [stdout] 274 +             }
[INFO] [stdout] 275 ~         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/encrypt_util.rs:306:9
[INFO] [stdout]     |
[INFO] [stdout] 306 | /         return match &self.salt {
[INFO] [stdout] 307 | |             None => None,
[INFO] [stdout] 308 | |             Some(v) => {
[INFO] [stdout] 309 | |                 return Some(v.as_ref());
[INFO] [stdout] 310 | |             }
[INFO] [stdout] 311 | |         };
[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] 306 ~         match &self.salt {
[INFO] [stdout] 307 +             None => None,
[INFO] [stdout] 308 +             Some(v) => {
[INFO] [stdout] 309 +                 return Some(v.as_ref());
[INFO] [stdout] 310 +             }
[INFO] [stdout] 311 ~         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/encrypt_util.rs:317:9
[INFO] [stdout]     |
[INFO] [stdout] 317 |         return self.result.as_ref();
[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] 317 -         return self.result.as_ref();
[INFO] [stdout] 317 +         self.result.as_ref()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/encrypt_util.rs:323:9
[INFO] [stdout]     |
[INFO] [stdout] 323 |         return self.iv.as_ref();
[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] 323 -         return self.iv.as_ref();
[INFO] [stdout] 323 +         self.iv.as_ref()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/encrypt_util.rs:351:5
[INFO] [stdout]     |
[INFO] [stdout] 351 | /     return match salt {
[INFO] [stdout] 352 | |         None => Ok(()),
[INFO] [stdout] 353 | |         Some(v) => {
[INFO] [stdout] 354 | |             return if v.len() != 8 {
[INFO] [stdout] ...   |
[INFO] [stdout] 362 | |     };
[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] 351 ~     match salt {
[INFO] [stdout] 352 +         None => Ok(()),
[INFO] [stdout] 353 +         Some(v) => {
[INFO] [stdout] 354 +             return if v.len() != 8 {
[INFO] [stdout] 355 +                 Err(InvalidArgumentError::from(
[INFO] [stdout] 356 +                     "Salt length is invalid(must 8 bytes)",
[INFO] [stdout] 357 +                 ))
[INFO] [stdout] 358 +             } else {
[INFO] [stdout] 359 +                 Ok(())
[INFO] [stdout] 360 +             };
[INFO] [stdout] 361 +         }
[INFO] [stdout] 362 ~     }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/encrypt_util.rs:538:16
[INFO] [stdout]     |
[INFO] [stdout] 538 |             if v.len() == 0 {
[INFO] [stdout]     |                ^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `v.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/encrypt_util.rs:817:5
[INFO] [stdout]     |
[INFO] [stdout] 817 |     return Ok(rsa.unwrap());
[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] 817 -     return Ok(rsa.unwrap());
[INFO] [stdout] 817 +     Ok(rsa.unwrap())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/encrypt_util.rs:904:5
[INFO] [stdout]     |
[INFO] [stdout] 904 |     return Ok(Box::from(rsa_result));
[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] 904 -     return Ok(Box::from(rsa_result));
[INFO] [stdout] 904 +     Ok(Box::from(rsa_result))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/encrypt_util.rs:970:5
[INFO] [stdout]     |
[INFO] [stdout] 970 |     return Ok(Vec::from(final_result)); // 실제 복호화된 길이 만큼만 반환
[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] 970 -     return Ok(Vec::from(final_result)); // 실제 복호화된 길이 만큼만 반환
[INFO] [stdout] 970 +     Ok(Vec::from(final_result))// 실제 복호화된 길이 만큼만 반환
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]     --> src/encrypt_util.rs:1000:5
[INFO] [stdout]      |
[INFO] [stdout] 1000 |     return Ok(Box::from(buffer.as_slice()));
[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] 1000 -     return Ok(Box::from(buffer.as_slice()));
[INFO] [stdout] 1000 +     Ok(Box::from(buffer.as_slice()))
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `openssl::rsa::Rsa<openssl::pkey::Public>`
[INFO] [stdout]    --> src/encrypt_util.rs:988:15
[INFO] [stdout]     |
[INFO] [stdout] 988 |     let rsa = Rsa::from(public_key);
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^ help: consider removing `Rsa::from()`: `public_key`
[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: this boolean expression can be simplified
[INFO] [stdout]     --> src/encrypt_util.rs:1016:17
[INFO] [stdout]      |
[INFO] [stdout] 1016 |         assert!(!result.is_err());
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^ help: try: `result.is_ok()`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]     --> src/encrypt_util.rs:1028:17
[INFO] [stdout]      |
[INFO] [stdout] 1028 |         assert!(!result.is_err());
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^ help: try: `result.is_ok()`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]     --> src/encrypt_util.rs:1085:17
[INFO] [stdout]      |
[INFO] [stdout] 1085 |         assert!(!encrypt_result.is_err(), "aes 암호화 오류 발생");
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `encrypt_result.is_ok()`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]     --> src/encrypt_util.rs:1131:17
[INFO] [stdout]      |
[INFO] [stdout] 1131 |         assert!(!decrypt_result.is_err(), "aes 복호화 오류 발생");
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `decrypt_result.is_ok()`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `unwrap` on `result_value.salt` after checking its variant with `is_some`
[INFO] [stdout]     --> src/encrypt_util.rs:1116:30
[INFO] [stdout]      |
[INFO] [stdout] 1115 |         if result_value.salt.is_some() {
[INFO] [stdout]      |         ------------------------------ help: try: `if let Some(<item>) = result_value.salt`
[INFO] [stdout] 1116 |             unwrapped_salt = result_value.salt.unwrap();
[INFO] [stdout]      |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_unwrap
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]     --> src/encrypt_util.rs:1156:17
[INFO] [stdout]      |
[INFO] [stdout] 1156 |         assert!(!result1.is_err(), "RSA 2048 암호화 실패");
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^ help: try: `result1.is_ok()`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]     --> src/encrypt_util.rs:1182:17
[INFO] [stdout]      |
[INFO] [stdout] 1182 |         assert!(!result1.is_err(), "RSA 8192 암호화 실패");
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^ help: try: `result1.is_ok()`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]     --> src/encrypt_util.rs:1244:17
[INFO] [stdout]      |
[INFO] [stdout] 1244 |         assert!(!decrypt2.is_err());
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^ help: try: `decrypt2.is_ok()`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]     --> src/encrypt_util.rs:1203:17
[INFO] [stdout]      |
[INFO] [stdout] 1203 |         assert!(result2_raw.private_key().len() > 0, "개인키 반환 실패");
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!result2_raw.private_key().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/encrypt_util.rs:1205:13
[INFO] [stdout]      |
[INFO] [stdout] 1205 |             result2_raw.private_exponent().len() > 0,
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!result2_raw.private_exponent().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/encrypt_util.rs:1209:13
[INFO] [stdout]      |
[INFO] [stdout] 1209 |             result2_raw.private_modulus().len() > 0,
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!result2_raw.private_modulus().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/encrypt_util.rs:1212:17
[INFO] [stdout]      |
[INFO] [stdout] 1212 |         assert!(result2_raw.public_key().len() > 0, "공개키 반환 실패");
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!result2_raw.public_key().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/encrypt_util.rs:1214:13
[INFO] [stdout]      |
[INFO] [stdout] 1214 |             result2_raw.public_exponent().len() > 0,
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!result2_raw.public_exponent().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/encrypt_util.rs:1218:13
[INFO] [stdout]      |
[INFO] [stdout] 1218 |             result2_raw.public_modulus().len() > 0,
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!result2_raw.public_modulus().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/encrypt_util.rs:1221:17
[INFO] [stdout]      |
[INFO] [stdout] 1221 |         assert!(result2_raw.result().len() > 0, "암호화 결과 반환 실패");
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!result2_raw.result().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: unneeded `return` statement
[INFO] [stdout]   --> src/io_util.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         return path.join("");
[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] 69 -         return path.join("");
[INFO] [stdout] 69 +         path.join("")
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/io_util.rs:167:5
[INFO] [stdout]     |
[INFO] [stdout] 167 |     return Ok(result.into_boxed_path());
[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] 167 -     return Ok(result.into_boxed_path());
[INFO] [stdout] 167 +     Ok(result.into_boxed_path())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `unwrap_err` on `naive_datetime` after checking its variant with `is_err`
[INFO] [stdout]   --> src/date_util.rs:65:19
[INFO] [stdout]    |
[INFO] [stdout] 64 |     if naive_datetime.is_err() {
[INFO] [stdout]    |     -------------------------- help: try: `if let Err(<item>) = &naive_datetime`
[INFO] [stdout] 65 |         let err = naive_datetime.as_ref().unwrap_err();
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_unwrap
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `unwrap_err` on `utc_datetime` after checking its variant with `is_err`
[INFO] [stdout]    --> src/date_util.rs:142:19
[INFO] [stdout]     |
[INFO] [stdout] 141 |     if utc_datetime.is_err() {
[INFO] [stdout]     |     ------------------------ help: try: `if let Err(<item>) = &utc_datetime`
[INFO] [stdout] 142 |         let err = utc_datetime.as_ref().unwrap_err();
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_unwrap
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `NaiveDateTime` which implements the `Copy` trait
[INFO] [stdout]    --> src/date_util.rs:242:22
[INFO] [stdout]     |
[INFO] [stdout] 242 |     let mut monday = datetime.clone();
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^ help: try dereferencing it: `*datetime`
[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 `NaiveDateTime` which implements the `Copy` trait
[INFO] [stdout]    --> src/date_util.rs:248:22
[INFO] [stdout]     |
[INFO] [stdout] 248 |     let mut sunday = monday.clone();
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^ help: try removing the `clone` call: `monday`
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.05s
[INFO] running `Command { std: "docker" "inspect" "05c4c55efcf95f7175601f4040f5126c3494e2423bc60900a242d0ecb9ec6fda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05c4c55efcf95f7175601f4040f5126c3494e2423bc60900a242d0ecb9ec6fda", kill_on_drop: false }`
[INFO] [stdout] 05c4c55efcf95f7175601f4040f5126c3494e2423bc60900a242d0ecb9ec6fda