[INFO] crate koyomi 0.1.0 is already in cache
[INFO] extracting crate koyomi 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/koyomi/0.1.0
[INFO] extracting crate koyomi 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/koyomi/0.1.0
[INFO] validating manifest of koyomi-0.1.0 on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of koyomi-0.1.0 on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing koyomi-0.1.0
[INFO] finished frobbing koyomi-0.1.0
[INFO] frobbed toml for koyomi-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/koyomi/0.1.0/Cargo.toml
[INFO] started frobbing koyomi-0.1.0
[INFO] finished frobbing koyomi-0.1.0
[INFO] frobbed toml for koyomi-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/koyomi/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting koyomi-0.1.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/koyomi/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d0aea6b12695be206cf1282b50fc78ff958394777f3dc3b2043a78659eb16a0f
[INFO] running `"docker" "start" "-a" "d0aea6b12695be206cf1282b50fc78ff958394777f3dc3b2043a78659eb16a0f"`
[INFO] [stderr]     Checking koyomi v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: this `if` has identical blocks
[INFO] [stderr]   --> src/calendar.rs:46:50
[INFO] [stderr]    |
[INFO] [stderr] 46 |       } else if year % 100 == 0 && year % 400 != 0 {
[INFO] [stderr]    |  __________________________________________________^
[INFO] [stderr] 47 | |         false
[INFO] [stderr] 48 | |     } else {
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::if_same_then_else)] on by default
[INFO] [stderr] note: same as this
[INFO] [stderr]   --> src/calendar.rs:44:22
[INFO] [stderr]    |
[INFO] [stderr] 44 |       if year % 4 != 0 {
[INFO] [stderr]    |  ______________________^
[INFO] [stderr] 45 | |         false
[INFO] [stderr] 46 | |     } else if year % 100 == 0 && year % 400 != 0 {
[INFO] [stderr]    | |_____^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#if_same_then_else
[INFO] [stderr] 
[INFO] [stderr] warning: this if-then-else expression returns a bool literal
[INFO] [stderr]   --> src/calendar.rs:46:12
[INFO] [stderr]    |
[INFO] [stderr] 46 |       } else if year % 100 == 0 && year % 400 != 0 {
[INFO] [stderr]    |  ____________^
[INFO] [stderr] 47 | |         false
[INFO] [stderr] 48 | |     } else {
[INFO] [stderr] 49 | |         true
[INFO] [stderr] 50 | |     }
[INFO] [stderr]    | |_____^ help: you can reduce it to: `!(year % 100 == 0 && year % 400 != 0)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_bool
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/calendar.rs:242:38
[INFO] [stderr]     |
[INFO] [stderr] 242 |             Some(f) => match f.split("-").count() {
[INFO] [stderr]     |                                      ^^^ help: try using a char instead: `'-'`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/calendar.rs:254:38
[INFO] [stderr]     |
[INFO] [stderr] 254 |             Some(u) => match u.split("-").count() {
[INFO] [stderr]     |                                      ^^^ help: try using a char instead: `'-'`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/calendar.rs:271:31
[INFO] [stderr]     |
[INFO] [stderr] 271 |         let splits = ym.split("-").collect::<Vec<_>>();
[INFO] [stderr]     |                               ^^^ help: try using a char instead: `'-'`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/date.rs:113:18
[INFO] [stderr]     |
[INFO] [stderr] 113 |             .map(|d| Date::from_chrono(d))
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `Date::from_chrono`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or` followed by a function call
[INFO] [stderr]    --> src/date.rs:111:14
[INFO] [stderr]     |
[INFO] [stderr] 111 |             .or(NaiveDate::parse_from_str(fmt, "%Y/%m/%d"))
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_else(|_| NaiveDate::parse_from_str(fmt, "%Y/%m/%d"))`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/date.rs:245:18
[INFO] [stderr]     |
[INFO] [stderr] 245 |             .map(|d| Date::from_chrono(d))
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `Date::from_chrono`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]    --> src/date.rs:244:14
[INFO] [stderr]     |
[INFO] [stderr] 244 |             .ok_or(KoyomiError::NoTomorrow(self.year, self.month, self.day))
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(|| KoyomiError::NoTomorrow(self.year, self.month, self.day))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/date.rs:291:18
[INFO] [stderr]     |
[INFO] [stderr] 291 |             .map(|d| Date::from_chrono(d))
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `Date::from_chrono`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]    --> src/date.rs:290:14
[INFO] [stderr]     |
[INFO] [stderr] 290 |             .ok_or(KoyomiError::NoYesterday(self.year, self.month, self.day))
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(|| KoyomiError::NoYesterday(self.year, self.month, self.day))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]  --> src/era.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 | const ERA: [(&str, i32, u32, u32, Option<(i32, u32, u32)>); 4] = [
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::type_complexity)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: needlessly taken reference of left operand
[INFO] [stderr]    --> src/era.rs:120:32
[INFO] [stderr]     |
[INFO] [stderr] 120 |             Some(ref until) => &self.from <= date && date <= until,
[INFO] [stderr]     |                                ----------^^^^^^^^
[INFO] [stderr]     |                                |
[INFO] [stderr]     |                                help: use the left value directly: `self.from`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::op_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] 
[INFO] [stderr] warning: needlessly taken reference of left operand
[INFO] [stderr]    --> src/era.rs:121:21
[INFO] [stderr]     |
[INFO] [stderr] 121 |             None => &self.from <= date,
[INFO] [stderr]     |                     ----------^^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: use the left value directly: `self.from`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or` followed by a function call
[INFO] [stderr]   --> src/holiday.rs:42:10
[INFO] [stderr]    |
[INFO] [stderr] 42 |         .or(national_holiday(date))
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_else(|| national_holiday(date))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or` followed by a function call
[INFO] [stderr]   --> src/holiday.rs:40:10
[INFO] [stderr]    |
[INFO] [stderr] 40 |         .or(autumnal_equinox_day(date))
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_else(|| autumnal_equinox_day(date))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or` followed by a function call
[INFO] [stderr]   --> src/holiday.rs:38:10
[INFO] [stderr]    |
[INFO] [stderr] 38 |         .or(vernal_equinox_day(date))
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_else(|| vernal_equinox_day(date))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or` followed by a function call
[INFO] [stderr]   --> src/holiday.rs:36:10
[INFO] [stderr]    |
[INFO] [stderr] 36 |         .or(variable_holiday(12, date, is_second_week))
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_else(|| variable_holiday(12, date, is_second_week))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or` followed by a function call
[INFO] [stderr]   --> src/holiday.rs:34:10
[INFO] [stderr]    |
[INFO] [stderr] 34 |         .or(variable_holiday(11, date, is_third_week))
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_else(|| variable_holiday(11, date, is_third_week))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or` followed by a function call
[INFO] [stderr]   --> src/holiday.rs:32:10
[INFO] [stderr]    |
[INFO] [stderr] 32 |         .or(variable_holiday(9, date, is_third_week))
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_else(|| variable_holiday(9, date, is_third_week))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or` followed by a function call
[INFO] [stderr]   --> src/holiday.rs:30:10
[INFO] [stderr]    |
[INFO] [stderr] 30 |         .or(variable_holiday(1, date, is_second_week))
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_else(|| variable_holiday(1, date, is_second_week))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or` followed by a function call
[INFO] [stderr]   --> src/holiday.rs:28:10
[INFO] [stderr]    |
[INFO] [stderr] 28 |         .or(substitute_holiday(date))
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_else(|| substitute_holiday(date))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or` followed by a function call
[INFO] [stderr]    --> src/holiday.rs:182:47
[INFO] [stderr]     |
[INFO] [stderr] 182 |     let between = defined_holiday(&yesterday).or(variable_holiday(11, &yesterday, is_third_week));
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_else(|| variable_holiday(11, &yesterday, is_third_week))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: this block may be rewritten with the `?` operator
[INFO] [stderr]    --> src/holiday.rs:183:5
[INFO] [stderr]     |
[INFO] [stderr] 183 | /     if between.is_none() {
[INFO] [stderr] 184 | |         return None;
[INFO] [stderr] 185 | |     }
[INFO] [stderr]     | |_____^ help: replace_it_with: `between?;`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::question_mark)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#question_mark
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or` followed by a function call
[INFO] [stderr]    --> src/holiday.rs:189:46
[INFO] [stderr]     |
[INFO] [stderr] 189 |     let between = defined_holiday(&tomorrow).or(autumnal_equinox_day(&tomorrow));
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_else(|| autumnal_equinox_day(&tomorrow))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: this block may be rewritten with the `?` operator
[INFO] [stderr]    --> src/holiday.rs:190:5
[INFO] [stderr]     |
[INFO] [stderr] 190 | /     if between.is_none() {
[INFO] [stderr] 191 | |         return None;
[INFO] [stderr] 192 | |     }
[INFO] [stderr]     | |_____^ help: replace_it_with: `between?;`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#question_mark
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or` followed by a function call
[INFO] [stderr]    --> src/holiday.rs:207:18
[INFO] [stderr]     |
[INFO] [stderr] 207 |                 .or(autumnal_equinox_day(&y));
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_else(|| autumnal_equinox_day(&y))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or` followed by a function call
[INFO] [stderr]    --> src/holiday.rs:206:18
[INFO] [stderr]     |
[INFO] [stderr] 206 |                 .or(vernal_equinox_day(&y))
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_else(|| vernal_equinox_day(&y))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `koyomi`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: this `if` has identical blocks
[INFO] [stderr]   --> src/calendar.rs:46:50
[INFO] [stderr]    |
[INFO] [stderr] 46 |       } else if year % 100 == 0 && year % 400 != 0 {
[INFO] [stderr]    |  __________________________________________________^
[INFO] [stderr] 47 | |         false
[INFO] [stderr] 48 | |     } else {
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::if_same_then_else)] on by default
[INFO] [stderr] note: same as this
[INFO] [stderr]   --> src/calendar.rs:44:22
[INFO] [stderr]    |
[INFO] [stderr] 44 |       if year % 4 != 0 {
[INFO] [stderr]    |  ______________________^
[INFO] [stderr] 45 | |         false
[INFO] [stderr] 46 | |     } else if year % 100 == 0 && year % 400 != 0 {
[INFO] [stderr]    | |_____^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#if_same_then_else
[INFO] [stderr] 
[INFO] [stderr] warning: this if-then-else expression returns a bool literal
[INFO] [stderr]   --> src/calendar.rs:46:12
[INFO] [stderr]    |
[INFO] [stderr] 46 |       } else if year % 100 == 0 && year % 400 != 0 {
[INFO] [stderr]    |  ____________^
[INFO] [stderr] 47 | |         false
[INFO] [stderr] 48 | |     } else {
[INFO] [stderr] 49 | |         true
[INFO] [stderr] 50 | |     }
[INFO] [stderr]    | |_____^ help: you can reduce it to: `!(year % 100 == 0 && year % 400 != 0)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_bool
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/calendar.rs:242:38
[INFO] [stderr]     |
[INFO] [stderr] 242 |             Some(f) => match f.split("-").count() {
[INFO] [stderr]     |                                      ^^^ help: try using a char instead: `'-'`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/calendar.rs:254:38
[INFO] [stderr]     |
[INFO] [stderr] 254 |             Some(u) => match u.split("-").count() {
[INFO] [stderr]     |                                      ^^^ help: try using a char instead: `'-'`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/calendar.rs:271:31
[INFO] [stderr]     |
[INFO] [stderr] 271 |         let splits = ym.split("-").collect::<Vec<_>>();
[INFO] [stderr]     |                               ^^^ help: try using a char instead: `'-'`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/date.rs:113:18
[INFO] [stderr]     |
[INFO] [stderr] 113 |             .map(|d| Date::from_chrono(d))
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `Date::from_chrono`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or` followed by a function call
[INFO] [stderr]    --> src/date.rs:111:14
[INFO] [stderr]     |
[INFO] [stderr] 111 |             .or(NaiveDate::parse_from_str(fmt, "%Y/%m/%d"))
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_else(|_| NaiveDate::parse_from_str(fmt, "%Y/%m/%d"))`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/date.rs:245:18
[INFO] [stderr]     |
[INFO] [stderr] 245 |             .map(|d| Date::from_chrono(d))
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `Date::from_chrono`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]    --> src/date.rs:244:14
[INFO] [stderr]     |
[INFO] [stderr] 244 |             .ok_or(KoyomiError::NoTomorrow(self.year, self.month, self.day))
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(|| KoyomiError::NoTomorrow(self.year, self.month, self.day))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/date.rs:291:18
[INFO] [stderr]     |
[INFO] [stderr] 291 |             .map(|d| Date::from_chrono(d))
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `Date::from_chrono`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]    --> src/date.rs:290:14
[INFO] [stderr]     |
[INFO] [stderr] 290 |             .ok_or(KoyomiError::NoYesterday(self.year, self.month, self.day))
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(|| KoyomiError::NoYesterday(self.year, self.month, self.day))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]  --> src/era.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 | const ERA: [(&str, i32, u32, u32, Option<(i32, u32, u32)>); 4] = [
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::type_complexity)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: needlessly taken reference of left operand
[INFO] [stderr]    --> src/era.rs:120:32
[INFO] [stderr]     |
[INFO] [stderr] 120 |             Some(ref until) => &self.from <= date && date <= until,
[INFO] [stderr]     |                                ----------^^^^^^^^
[INFO] [stderr]     |                                |
[INFO] [stderr]     |                                help: use the left value directly: `self.from`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::op_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] 
[INFO] [stderr] warning: needlessly taken reference of left operand
[INFO] [stderr]    --> src/era.rs:121:21
[INFO] [stderr]     |
[INFO] [stderr] 121 |             None => &self.from <= date,
[INFO] [stderr]     |                     ----------^^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: use the left value directly: `self.from`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or` followed by a function call
[INFO] [stderr]   --> src/holiday.rs:42:10
[INFO] [stderr]    |
[INFO] [stderr] 42 |         .or(national_holiday(date))
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_else(|| national_holiday(date))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or` followed by a function call
[INFO] [stderr]   --> src/holiday.rs:40:10
[INFO] [stderr]    |
[INFO] [stderr] 40 |         .or(autumnal_equinox_day(date))
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_else(|| autumnal_equinox_day(date))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or` followed by a function call
[INFO] [stderr]   --> src/holiday.rs:38:10
[INFO] [stderr]    |
[INFO] [stderr] 38 |         .or(vernal_equinox_day(date))
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_else(|| vernal_equinox_day(date))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or` followed by a function call
[INFO] [stderr]   --> src/holiday.rs:36:10
[INFO] [stderr]    |
[INFO] [stderr] 36 |         .or(variable_holiday(12, date, is_second_week))
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_else(|| variable_holiday(12, date, is_second_week))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or` followed by a function call
[INFO] [stderr]   --> src/holiday.rs:34:10
[INFO] [stderr]    |
[INFO] [stderr] 34 |         .or(variable_holiday(11, date, is_third_week))
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_else(|| variable_holiday(11, date, is_third_week))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or` followed by a function call
[INFO] [stderr]   --> src/holiday.rs:32:10
[INFO] [stderr]    |
[INFO] [stderr] 32 |         .or(variable_holiday(9, date, is_third_week))
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_else(|| variable_holiday(9, date, is_third_week))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or` followed by a function call
[INFO] [stderr]   --> src/holiday.rs:30:10
[INFO] [stderr]    |
[INFO] [stderr] 30 |         .or(variable_holiday(1, date, is_second_week))
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_else(|| variable_holiday(1, date, is_second_week))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or` followed by a function call
[INFO] [stderr]   --> src/holiday.rs:28:10
[INFO] [stderr]    |
[INFO] [stderr] 28 |         .or(substitute_holiday(date))
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_else(|| substitute_holiday(date))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or` followed by a function call
[INFO] [stderr]    --> src/holiday.rs:182:47
[INFO] [stderr]     |
[INFO] [stderr] 182 |     let between = defined_holiday(&yesterday).or(variable_holiday(11, &yesterday, is_third_week));
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_else(|| variable_holiday(11, &yesterday, is_third_week))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: this block may be rewritten with the `?` operator
[INFO] [stderr]    --> src/holiday.rs:183:5
[INFO] [stderr]     |
[INFO] [stderr] 183 | /     if between.is_none() {
[INFO] [stderr] 184 | |         return None;
[INFO] [stderr] 185 | |     }
[INFO] [stderr]     | |_____^ help: replace_it_with: `between?;`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::question_mark)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#question_mark
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or` followed by a function call
[INFO] [stderr]    --> src/holiday.rs:189:46
[INFO] [stderr]     |
[INFO] [stderr] 189 |     let between = defined_holiday(&tomorrow).or(autumnal_equinox_day(&tomorrow));
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_else(|| autumnal_equinox_day(&tomorrow))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: this block may be rewritten with the `?` operator
[INFO] [stderr]    --> src/holiday.rs:190:5
[INFO] [stderr]     |
[INFO] [stderr] 190 | /     if between.is_none() {
[INFO] [stderr] 191 | |         return None;
[INFO] [stderr] 192 | |     }
[INFO] [stderr]     | |_____^ help: replace_it_with: `between?;`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#question_mark
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or` followed by a function call
[INFO] [stderr]    --> src/holiday.rs:207:18
[INFO] [stderr]     |
[INFO] [stderr] 207 |                 .or(autumnal_equinox_day(&y));
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_else(|| autumnal_equinox_day(&y))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or` followed by a function call
[INFO] [stderr]    --> src/holiday.rs:206:18
[INFO] [stderr]     |
[INFO] [stderr] 206 |                 .or(vernal_equinox_day(&y))
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_else(|| vernal_equinox_day(&y))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `koyomi`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d0aea6b12695be206cf1282b50fc78ff958394777f3dc3b2043a78659eb16a0f"`
[INFO] running `"docker" "rm" "-f" "d0aea6b12695be206cf1282b50fc78ff958394777f3dc3b2043a78659eb16a0f"`
[INFO] [stdout] d0aea6b12695be206cf1282b50fc78ff958394777f3dc3b2043a78659eb16a0f