[INFO] crate sea-canal 0.3.0 is already in cache
[INFO] extracting crate sea-canal 0.3.0 into work/ex/clippy-test-run/sources/stable/reg/sea-canal/0.3.0
[INFO] extracting crate sea-canal 0.3.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/sea-canal/0.3.0
[INFO] validating manifest of sea-canal-0.3.0 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 sea-canal-0.3.0 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 sea-canal-0.3.0
[INFO] finished frobbing sea-canal-0.3.0
[INFO] frobbed toml for sea-canal-0.3.0 written to work/ex/clippy-test-run/sources/stable/reg/sea-canal/0.3.0/Cargo.toml
[INFO] started frobbing sea-canal-0.3.0
[INFO] finished frobbing sea-canal-0.3.0
[INFO] frobbed toml for sea-canal-0.3.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/sea-canal/0.3.0/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 sea-canal-0.3.0 against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/sea-canal/0.3.0:/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 -Dclippy::into_iter_on_array" "-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] c6ecfccf4cce2b73dd6b6000cfd6a6efa175e94fae5665c2fa2f9d4c44cd7da6
[INFO] running `"docker" "start" "-a" "c6ecfccf4cce2b73dd6b6000cfd6a6efa175e94fae5665c2fa2f9d4c44cd7da6"`
[INFO] [stderr]     Checking sea-canal v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]  --> src/stepper.rs:9:19
[INFO] [stderr]   |
[INFO] [stderr] 9 |         Stepper { start: start, end: end, step: step }
[INFO] [stderr]   |                   ^^^^^^^^^^^^ help: replace it with: `start`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]  --> src/stepper.rs:9:33
[INFO] [stderr]   |
[INFO] [stderr] 9 |         Stepper { start: start, end: end, step: step }
[INFO] [stderr]   |                                 ^^^^^^^^ help: replace it with: `end`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]  --> src/stepper.rs:9:43
[INFO] [stderr]   |
[INFO] [stderr] 9 |         Stepper { start: start, end: end, step: step }
[INFO] [stderr]   |                                           ^^^^^^^^^^ help: replace it with: `step`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/pattern.rs:58:29
[INFO] [stderr]    |
[INFO] [stderr] 58 |         CustomPatternElem { check: check, repr: String::from(repr) }
[INFO] [stderr]    |                             ^^^^^^^^^^^^ help: replace it with: `check`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/analyzer.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |             meta: meta,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `meta`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/meta.rs:12:24
[INFO] [stderr]    |
[INFO] [stderr] 12 |         MetaAnalyzer { choices: choices }
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^ help: replace it with: `choices`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]  --> src/stepper.rs:9:19
[INFO] [stderr]   |
[INFO] [stderr] 9 |         Stepper { start: start, end: end, step: step }
[INFO] [stderr]   |                   ^^^^^^^^^^^^ help: replace it with: `start`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]  --> src/stepper.rs:9:33
[INFO] [stderr]   |
[INFO] [stderr] 9 |         Stepper { start: start, end: end, step: step }
[INFO] [stderr]   |                                 ^^^^^^^^ help: replace it with: `end`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]  --> src/stepper.rs:9:43
[INFO] [stderr]   |
[INFO] [stderr] 9 |         Stepper { start: start, end: end, step: step }
[INFO] [stderr]   |                                           ^^^^^^^^^^ help: replace it with: `step`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/pattern.rs:58:29
[INFO] [stderr]    |
[INFO] [stderr] 58 |         CustomPatternElem { check: check, repr: String::from(repr) }
[INFO] [stderr]    |                             ^^^^^^^^^^^^ help: replace it with: `check`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/analyzer.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |             meta: meta,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `meta`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/meta.rs:12:24
[INFO] [stderr]    |
[INFO] [stderr] 12 |         MetaAnalyzer { choices: choices }
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^ help: replace it with: `choices`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/analyzer.rs:60:9
[INFO] [stderr]    |
[INFO] [stderr] 60 |         return None;
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: remove `return` as shown: `None`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/analyzer.rs:106:9
[INFO] [stderr]     |
[INFO] [stderr] 106 |         return Vec::new();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Vec::new()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/analyzer.rs:60:9
[INFO] [stderr]    |
[INFO] [stderr] 60 |         return None;
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: remove `return` as shown: `None`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/analyzer.rs:106:9
[INFO] [stderr]     |
[INFO] [stderr] 106 |         return Vec::new();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Vec::new()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/pattern.rs:68:19
[INFO] [stderr]    |
[INFO] [stderr] 68 |     fn fmt(&self, mut fmt: &mut Formatter) -> Result<(), Error> {
[INFO] [stderr]    |                   ----^^^
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/pattern.rs:160:19
[INFO] [stderr]     |
[INFO] [stderr] 160 |     fn fmt(&self, mut fmt: &mut Formatter) -> Result<(), Error> {
[INFO] [stderr]     |                   ----^^^
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/analyzer.rs:51:18
[INFO] [stderr]    |
[INFO] [stderr] 51 |         for i in 1..max + 1 {
[INFO] [stderr]    |                  ^^^^^^^^^^ help: use: `1..=max`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/analyzer.rs:98:18
[INFO] [stderr]    |
[INFO] [stderr] 98 |         for i in 1..max + 1 {
[INFO] [stderr]    |                  ^^^^^^^^^^ help: use: `1..=max`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the slice
[INFO] [stderr]    --> src/analyzer.rs:120:15
[INFO] [stderr]     |
[INFO] [stderr] 120 |         slice.into_iter().fold(base, |set, choice| set.intersection(&choice.0).cloned().collect())
[INFO] [stderr]     |               ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::into_iter_on_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/analyzer.rs:127:55
[INFO] [stderr]     |
[INFO] [stderr] 127 |         meta_analyzer.find_patterns().into_iter().map(|pat| PatternElem::Meta(pat)).collect()
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `PatternElem::Meta`
[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: identical conversion
[INFO] [stderr]   --> src/repeat.rs:16:17
[INFO] [stderr]    |
[INFO] [stderr] 16 |             if !chunk.iter().zip(first.iter()).into_iter().all(|(x, y)| is_match(x, y)) {
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `chunk.iter().zip(first.iter())`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/pattern.rs:68:19
[INFO] [stderr]    |
[INFO] [stderr] 68 |     fn fmt(&self, mut fmt: &mut Formatter) -> Result<(), Error> {
[INFO] [stderr]    |                   ----^^^
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/pattern.rs:160:19
[INFO] [stderr]     |
[INFO] [stderr] 160 |     fn fmt(&self, mut fmt: &mut Formatter) -> Result<(), Error> {
[INFO] [stderr]     |                   ----^^^
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/analyzer.rs:51:18
[INFO] [stderr]    |
[INFO] [stderr] 51 |         for i in 1..max + 1 {
[INFO] [stderr]    |                  ^^^^^^^^^^ help: use: `1..=max`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/analyzer.rs:98:18
[INFO] [stderr]    |
[INFO] [stderr] 98 |         for i in 1..max + 1 {
[INFO] [stderr]    |                  ^^^^^^^^^^ help: use: `1..=max`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the slice
[INFO] [stderr]    --> src/analyzer.rs:120:15
[INFO] [stderr]     |
[INFO] [stderr] 120 |         slice.into_iter().fold(base, |set, choice| set.intersection(&choice.0).cloned().collect())
[INFO] [stderr]     |               ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::into_iter_on_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/analyzer.rs:127:55
[INFO] [stderr]     |
[INFO] [stderr] 127 |         meta_analyzer.find_patterns().into_iter().map(|pat| PatternElem::Meta(pat)).collect()
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `PatternElem::Meta`
[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: identical conversion
[INFO] [stderr]   --> src/repeat.rs:16:17
[INFO] [stderr]    |
[INFO] [stderr] 16 |             if !chunk.iter().zip(first.iter()).into_iter().all(|(x, y)| is_match(x, y)) {
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `chunk.iter().zip(first.iter())`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] error: for loop over `analyzer.find_any_pattern(3)`, which is an `Option`. This is more readably written as an `if let` statement.
[INFO] [stderr]   --> src/bin/scnl.rs:39:16
[INFO] [stderr]    |
[INFO] [stderr] 39 |     for pat in analyzer.find_any_pattern(3) {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::for_loop_over_option)] on by default
[INFO] [stderr]    = help: consider replacing `for pat in analyzer.find_any_pattern(3)` with `if let Some(pat) = analyzer.find_any_pattern(3)`
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_loop_over_option
[INFO] [stderr] 
[INFO] [stderr] error: for loop over `analyzer.find_any_pattern_of_length(1)`, which is an `Option`. This is more readably written as an `if let` statement.
[INFO] [stderr]   --> src/bin/scnl.rs:56:16
[INFO] [stderr]    |
[INFO] [stderr] 56 |     for pat in analyzer.find_any_pattern_of_length(1) {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider replacing `for pat in analyzer.find_any_pattern_of_length(1)` with `if let Some(pat) = analyzer.find_any_pattern_of_length(1)`
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_loop_over_option
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `sea-canal`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: for loop over `analyzer.find_any_pattern(3)`, which is an `Option`. This is more readably written as an `if let` statement.
[INFO] [stderr]   --> src/bin/scnl.rs:39:16
[INFO] [stderr]    |
[INFO] [stderr] 39 |     for pat in analyzer.find_any_pattern(3) {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::for_loop_over_option)] on by default
[INFO] [stderr]    = help: consider replacing `for pat in analyzer.find_any_pattern(3)` with `if let Some(pat) = analyzer.find_any_pattern(3)`
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_loop_over_option
[INFO] [stderr] 
[INFO] [stderr] error: for loop over `analyzer.find_any_pattern_of_length(1)`, which is an `Option`. This is more readably written as an `if let` statement.
[INFO] [stderr]   --> src/bin/scnl.rs:56:16
[INFO] [stderr]    |
[INFO] [stderr] 56 |     for pat in analyzer.find_any_pattern_of_length(1) {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider replacing `for pat in analyzer.find_any_pattern_of_length(1)` with `if let Some(pat) = analyzer.find_any_pattern_of_length(1)`
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_loop_over_option
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `sea-canal`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "c6ecfccf4cce2b73dd6b6000cfd6a6efa175e94fae5665c2fa2f9d4c44cd7da6"`
[INFO] running `"docker" "rm" "-f" "c6ecfccf4cce2b73dd6b6000cfd6a6efa175e94fae5665c2fa2f9d4c44cd7da6"`
[INFO] [stdout] c6ecfccf4cce2b73dd6b6000cfd6a6efa175e94fae5665c2fa2f9d4c44cd7da6