[INFO] crate unicode-bidi 0.3.4 is already in cache
[INFO] extracting crate unicode-bidi 0.3.4 into work/ex/clippy-test-run/sources/stable/reg/unicode-bidi/0.3.4
[INFO] extracting crate unicode-bidi 0.3.4 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/unicode-bidi/0.3.4
[INFO] validating manifest of unicode-bidi-0.3.4 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 unicode-bidi-0.3.4 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 unicode-bidi-0.3.4
[INFO] finished frobbing unicode-bidi-0.3.4
[INFO] frobbed toml for unicode-bidi-0.3.4 written to work/ex/clippy-test-run/sources/stable/reg/unicode-bidi/0.3.4/Cargo.toml
[INFO] started frobbing unicode-bidi-0.3.4
[INFO] finished frobbing unicode-bidi-0.3.4
[INFO] frobbed toml for unicode-bidi-0.3.4 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/unicode-bidi/0.3.4/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 unicode-bidi-0.3.4 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/unicode-bidi/0.3.4:/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] c0cf11a9cf22419a820ac0219a90b5a1f0154af0d43fcef8315eb1a4ace45390
[INFO] running `"docker" "start" "-a" "c0cf11a9cf22419a820ac0219a90b5a1f0154af0d43fcef8315eb1a4ace45390"`
[INFO] [stderr]     Checking unicode-bidi v0.3.4 (/opt/crater/workdir)
[INFO] [stderr]     Checking serde_test v1.0.85
[INFO] [stderr] warning: `cfg_attr` is deprecated for rustfmt and got replaced by tool_attributes
[INFO] [stderr]  --> src/char_data/tables.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #![cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `#![rustfmt::skip]`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::deprecated_cfg_attr)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#deprecated_cfg_attr
[INFO] [stderr] 
[INFO] [stderr] warning: `cfg_attr` is deprecated for rustfmt and got replaced by tool_attributes
[INFO] [stderr]    --> src/prepare.rs:189:5
[INFO] [stderr]     |
[INFO] [stderr] 189 |     #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `#[rustfmt::skip]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#deprecated_cfg_attr
[INFO] [stderr] 
[INFO] [stderr] warning: `cfg_attr` is deprecated for rustfmt and got replaced by tool_attributes
[INFO] [stderr]    --> src/prepare.rs:234:5
[INFO] [stderr]     |
[INFO] [stderr] 234 |     #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `#[rustfmt::skip]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#deprecated_cfg_attr
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `needless_pass_by_value` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]   --> src/deprecated.rs:13:43
[INFO] [stderr]    |
[INFO] [stderr] 13 | #![cfg_attr(feature="cargo-clippy", allow(needless_pass_by_value))]
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::needless_pass_by_value`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(renamed_and_removed_lints)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/char_data/tables.rs:45:30
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub const bidi_class_table: &'static [(char, char, BidiClass)] = &[
[INFO] [stderr]    |                             -^^^^^^^-------------------------- help: consider removing `'static`: `&[(char, char, BidiClass)]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `needless_range_loop` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]    --> src/lib.rs:396:60
[INFO] [stderr]     |
[INFO] [stderr] 396 |                 #[cfg_attr(feature = "cargo-clippy", allow(needless_range_loop))]
[INFO] [stderr]     |                                                            ^^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::needless_range_loop`
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `needless_range_loop` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]    --> src/lib.rs:405:56
[INFO] [stderr]     |
[INFO] [stderr] 405 |             #[cfg_attr(feature = "cargo-clippy", allow(needless_range_loop))]
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::needless_range_loop`
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `needless_pass_by_value` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]   --> src/deprecated.rs:13:43
[INFO] [stderr]    |
[INFO] [stderr] 13 | #![cfg_attr(feature="cargo-clippy", allow(needless_pass_by_value))]
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::needless_pass_by_value`
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/level.rs:99:19
[INFO] [stderr]    |
[INFO] [stderr] 99 |     pub fn number(&self) -> u8 {
[INFO] [stderr]    |                   ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/level.rs:105:19
[INFO] [stderr]     |
[INFO] [stderr] 105 |     pub fn is_ltr(&self) -> bool {
[INFO] [stderr]     |                   ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/level.rs:111:19
[INFO] [stderr]     |
[INFO] [stderr] 111 |     pub fn is_rtl(&self) -> bool {
[INFO] [stderr]     |                   ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/level.rs:165:34
[INFO] [stderr]     |
[INFO] [stderr] 165 |     pub fn new_explicit_next_ltr(&self) -> Result<Level, Error> {
[INFO] [stderr]     |                                  ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/level.rs:171:34
[INFO] [stderr]     |
[INFO] [stderr] 171 |     pub fn new_explicit_next_rtl(&self) -> Result<Level, Error> {
[INFO] [stderr]     |                                  ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/level.rs:178:30
[INFO] [stderr]     |
[INFO] [stderr] 178 |     pub fn new_lowest_ge_rtl(&self) -> Result<Level, Error> {
[INFO] [stderr]     |                              ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/level.rs:184:23
[INFO] [stderr]     |
[INFO] [stderr] 184 |     pub fn bidi_class(&self) -> BidiClass {
[INFO] [stderr]     |                       ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/prepare.rs:61:17
[INFO] [stderr]    |
[INFO] [stderr] 61 |         assert!(run.len() > 0);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!run.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/prepare.rs:171:33
[INFO] [stderr]     |
[INFO] [stderr] 171 | pub fn not_removed_by_x9(class: &BidiClass) -> bool {
[INFO] [stderr]     |                                 ^^^^^^^^^^ help: consider passing by value instead: `BidiClass`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: `cfg_attr` is deprecated for rustfmt and got replaced by tool_attributes
[INFO] [stderr]  --> src/char_data/tables.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #![cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `#![rustfmt::skip]`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::deprecated_cfg_attr)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#deprecated_cfg_attr
[INFO] [stderr] 
[INFO] [stderr] warning: `cfg_attr` is deprecated for rustfmt and got replaced by tool_attributes
[INFO] [stderr]    --> src/prepare.rs:189:5
[INFO] [stderr]     |
[INFO] [stderr] 189 |     #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `#[rustfmt::skip]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#deprecated_cfg_attr
[INFO] [stderr] 
[INFO] [stderr] warning: `cfg_attr` is deprecated for rustfmt and got replaced by tool_attributes
[INFO] [stderr]    --> src/prepare.rs:234:5
[INFO] [stderr]     |
[INFO] [stderr] 234 |     #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `#[rustfmt::skip]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#deprecated_cfg_attr
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `needless_pass_by_value` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]   --> src/deprecated.rs:13:43
[INFO] [stderr]    |
[INFO] [stderr] 13 | #![cfg_attr(feature="cargo-clippy", allow(needless_pass_by_value))]
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::needless_pass_by_value`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(renamed_and_removed_lints)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/char_data/tables.rs:45:30
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub const bidi_class_table: &'static [(char, char, BidiClass)] = &[
[INFO] [stderr]    |                             -^^^^^^^-------------------------- help: consider removing `'static`: `&[(char, char, BidiClass)]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `needless_range_loop` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]    --> src/lib.rs:396:60
[INFO] [stderr]     |
[INFO] [stderr] 396 |                 #[cfg_attr(feature = "cargo-clippy", allow(needless_range_loop))]
[INFO] [stderr]     |                                                            ^^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::needless_range_loop`
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `needless_range_loop` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]    --> src/lib.rs:405:56
[INFO] [stderr]     |
[INFO] [stderr] 405 |             #[cfg_attr(feature = "cargo-clippy", allow(needless_range_loop))]
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::needless_range_loop`
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]    --> src/lib.rs:677:9
[INFO] [stderr]     |
[INFO] [stderr] 677 |         /// BidiTest:69635 (AL ET EN)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]    --> src/lib.rs:815:9
[INFO] [stderr]     |
[INFO] [stderr] 815 |         /// BidiTest:946 (LRI PDI)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `needless_pass_by_value` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]   --> src/deprecated.rs:13:43
[INFO] [stderr]    |
[INFO] [stderr] 13 | #![cfg_attr(feature="cargo-clippy", allow(needless_pass_by_value))]
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::needless_pass_by_value`
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/level.rs:99:19
[INFO] [stderr]    |
[INFO] [stderr] 99 |     pub fn number(&self) -> u8 {
[INFO] [stderr]    |                   ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/level.rs:105:19
[INFO] [stderr]     |
[INFO] [stderr] 105 |     pub fn is_ltr(&self) -> bool {
[INFO] [stderr]     |                   ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/level.rs:111:19
[INFO] [stderr]     |
[INFO] [stderr] 111 |     pub fn is_rtl(&self) -> bool {
[INFO] [stderr]     |                   ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/level.rs:165:34
[INFO] [stderr]     |
[INFO] [stderr] 165 |     pub fn new_explicit_next_ltr(&self) -> Result<Level, Error> {
[INFO] [stderr]     |                                  ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/level.rs:171:34
[INFO] [stderr]     |
[INFO] [stderr] 171 |     pub fn new_explicit_next_rtl(&self) -> Result<Level, Error> {
[INFO] [stderr]     |                                  ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/level.rs:178:30
[INFO] [stderr]     |
[INFO] [stderr] 178 |     pub fn new_lowest_ge_rtl(&self) -> Result<Level, Error> {
[INFO] [stderr]     |                              ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/level.rs:184:23
[INFO] [stderr]     |
[INFO] [stderr] 184 |     pub fn bidi_class(&self) -> BidiClass {
[INFO] [stderr]     |                       ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 33
[INFO] [stderr]    --> src/char_data/mod.rs:66:5
[INFO] [stderr]     |
[INFO] [stderr] 66  | /     fn test_bmp() {
[INFO] [stderr] 67  | |         // Hebrew
[INFO] [stderr] 68  | |         assert_eq!(bidi_class('\u{0590}'), R);
[INFO] [stderr] 69  | |         assert_eq!(bidi_class('\u{05D0}'), R);
[INFO] [stderr] ...   |
[INFO] [stderr] 109 | |         assert_eq!(bidi_class('\u{FFFF}'), L);
[INFO] [stderr] 110 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cyclomatic_complexity)] on by default
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/prepare.rs:61:17
[INFO] [stderr]    |
[INFO] [stderr] 61 |         assert!(run.len() > 0);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!run.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/prepare.rs:171:33
[INFO] [stderr]     |
[INFO] [stderr] 171 | pub fn not_removed_by_x9(class: &BidiClass) -> bool {
[INFO] [stderr]     |                                 ^^^^^^^^^^ help: consider passing by value instead: `BidiClass`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.66s
[INFO] running `"docker" "inspect" "c0cf11a9cf22419a820ac0219a90b5a1f0154af0d43fcef8315eb1a4ace45390"`
[INFO] running `"docker" "rm" "-f" "c0cf11a9cf22419a820ac0219a90b5a1f0154af0d43fcef8315eb1a4ace45390"`
[INFO] [stdout] c0cf11a9cf22419a820ac0219a90b5a1f0154af0d43fcef8315eb1a4ace45390