[INFO] crate unic-bidi 0.7.0 is already in cache
[INFO] extracting crate unic-bidi 0.7.0 into work/ex/clippy-test-run/sources/stable/reg/unic-bidi/0.7.0
[INFO] extracting crate unic-bidi 0.7.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/unic-bidi/0.7.0
[INFO] validating manifest of unic-bidi-0.7.0 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 unic-bidi-0.7.0 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 unic-bidi-0.7.0
[INFO] finished frobbing unic-bidi-0.7.0
[INFO] frobbed toml for unic-bidi-0.7.0 written to work/ex/clippy-test-run/sources/stable/reg/unic-bidi/0.7.0/Cargo.toml
[INFO] started frobbing unic-bidi-0.7.0
[INFO] finished frobbing unic-bidi-0.7.0
[INFO] frobbed toml for unic-bidi-0.7.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/unic-bidi/0.7.0/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 unic-bidi-0.7.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/unic-bidi/0.7.0:/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] 354872d38eaf04b453a7cffc6f86d7f11164a6a080f7474cdea046387a4eb475
[INFO] running `"docker" "start" "-a" "354872d38eaf04b453a7cffc6f86d7f11164a6a080f7474cdea046387a4eb475"`
[INFO] [stderr]     Checking unic-ucd-bidi v0.7.0
[INFO] [stderr]     Checking serde_test v1.0.85
[INFO] [stderr]     Checking unic-bidi v0.7.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/bidi_info.rs:139:13
[INFO] [stderr]     |
[INFO] [stderr] 139 |             text: text,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `text`
[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/bidi_info.rs:140:13
[INFO] [stderr]     |
[INFO] [stderr] 140 |             original_classes: original_classes,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `original_classes`
[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/bidi_info.rs:141:13
[INFO] [stderr]     |
[INFO] [stderr] 141 |             paragraphs: paragraphs,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `paragraphs`
[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/bidi_info.rs:215:13
[INFO] [stderr]     |
[INFO] [stderr] 215 |             text: text,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `text`
[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/bidi_info.rs:216:13
[INFO] [stderr]     |
[INFO] [stderr] 216 |             original_classes: original_classes,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `original_classes`
[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/bidi_info.rs:217:13
[INFO] [stderr]     |
[INFO] [stderr] 217 |             paragraphs: paragraphs,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `paragraphs`
[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/bidi_info.rs:218:13
[INFO] [stderr]     |
[INFO] [stderr] 218 |             levels: levels,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `levels`
[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/explicit.rs:185:13
[INFO] [stderr]     |
[INFO] [stderr] 185 |             level: level,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `level`
[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/explicit.rs:186:13
[INFO] [stderr]     |
[INFO] [stderr] 186 |             status: status,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `status`
[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: `cfg_attr` is deprecated for rustfmt and got replaced by tool_attributes
[INFO] [stderr]    --> src/prepare.rs:190:5
[INFO] [stderr]     |
[INFO] [stderr] 190 |     #[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:235:5
[INFO] [stderr]     |
[INFO] [stderr] 235 |     #[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: 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 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:111:19
[INFO] [stderr]     |
[INFO] [stderr] 111 |     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:117:19
[INFO] [stderr]     |
[INFO] [stderr] 117 |     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:167:34
[INFO] [stderr]     |
[INFO] [stderr] 167 |     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:173:34
[INFO] [stderr]     |
[INFO] [stderr] 173 |     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:180:30
[INFO] [stderr]     |
[INFO] [stderr] 180 |     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:186:23
[INFO] [stderr]     |
[INFO] [stderr] 186 |     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 loop variable `j` is only used to index `levels`.
[INFO] [stderr]    --> src/bidi_info.rs:317:26
[INFO] [stderr]     |
[INFO] [stderr] 317 |                 for j in from..to {
[INFO] [stderr]     |                          ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 317 |                 for <item> in levels.iter_mut().take(to).skip(from) {
[INFO] [stderr]     |                     ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `j` is only used to index `levels`.
[INFO] [stderr]    --> src/bidi_info.rs:325:22
[INFO] [stderr]     |
[INFO] [stderr] 325 |             for j in from..line_str.len() {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 325 |             for <item> in levels.iter_mut().take(line_str.len()).skip(from) {
[INFO] [stderr]     |                 ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `levels`
[INFO] [stderr]    --> src/bidi_info.rs:337:18
[INFO] [stderr]     |
[INFO] [stderr] 337 |         for i in (start + 1)..line.end {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 337 |         for (i, <item>) in levels.iter().enumerate().take(line.end).skip((start + 1)) {
[INFO] [stderr]     |             ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/prepare.rs:60:17
[INFO] [stderr]    |
[INFO] [stderr] 60 |         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:172:33
[INFO] [stderr]     |
[INFO] [stderr] 172 | 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: redundant field names in struct initialization
[INFO] [stderr]    --> src/bidi_info.rs:139:13
[INFO] [stderr]     |
[INFO] [stderr] 139 |             text: text,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `text`
[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/bidi_info.rs:140:13
[INFO] [stderr]     |
[INFO] [stderr] 140 |             original_classes: original_classes,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `original_classes`
[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/bidi_info.rs:141:13
[INFO] [stderr]     |
[INFO] [stderr] 141 |             paragraphs: paragraphs,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `paragraphs`
[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/bidi_info.rs:215:13
[INFO] [stderr]     |
[INFO] [stderr] 215 |             text: text,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `text`
[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/bidi_info.rs:216:13
[INFO] [stderr]     |
[INFO] [stderr] 216 |             original_classes: original_classes,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `original_classes`
[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/bidi_info.rs:217:13
[INFO] [stderr]     |
[INFO] [stderr] 217 |             paragraphs: paragraphs,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `paragraphs`
[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/bidi_info.rs:218:13
[INFO] [stderr]     |
[INFO] [stderr] 218 |             levels: levels,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `levels`
[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/explicit.rs:185:13
[INFO] [stderr]     |
[INFO] [stderr] 185 |             level: level,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `level`
[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/explicit.rs:186:13
[INFO] [stderr]     |
[INFO] [stderr] 186 |             status: status,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `status`
[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: `cfg_attr` is deprecated for rustfmt and got replaced by tool_attributes
[INFO] [stderr]    --> src/prepare.rs:190:5
[INFO] [stderr]     |
[INFO] [stderr] 190 |     #[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:235:5
[INFO] [stderr]     |
[INFO] [stderr] 235 |     #[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: 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 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:111:19
[INFO] [stderr]     |
[INFO] [stderr] 111 |     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:117:19
[INFO] [stderr]     |
[INFO] [stderr] 117 |     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:167:34
[INFO] [stderr]     |
[INFO] [stderr] 167 |     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:173:34
[INFO] [stderr]     |
[INFO] [stderr] 173 |     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:180:30
[INFO] [stderr]     |
[INFO] [stderr] 180 |     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:186:23
[INFO] [stderr]     |
[INFO] [stderr] 186 |     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 loop variable `j` is only used to index `levels`.
[INFO] [stderr]    --> src/bidi_info.rs:317:26
[INFO] [stderr]     |
[INFO] [stderr] 317 |                 for j in from..to {
[INFO] [stderr]     |                          ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 317 |                 for <item> in levels.iter_mut().take(to).skip(from) {
[INFO] [stderr]     |                     ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `j` is only used to index `levels`.
[INFO] [stderr]    --> src/bidi_info.rs:325:22
[INFO] [stderr]     |
[INFO] [stderr] 325 |             for j in from..line_str.len() {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 325 |             for <item> in levels.iter_mut().take(line_str.len()).skip(from) {
[INFO] [stderr]     |                 ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `levels`
[INFO] [stderr]    --> src/bidi_info.rs:337:18
[INFO] [stderr]     |
[INFO] [stderr] 337 |         for i in (start + 1)..line.end {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 337 |         for (i, <item>) in levels.iter().enumerate().take(line.end).skip((start + 1)) {
[INFO] [stderr]     |             ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/prepare.rs:60:17
[INFO] [stderr]    |
[INFO] [stderr] 60 |         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:172:33
[INFO] [stderr]     |
[INFO] [stderr] 172 | 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 6.85s
[INFO] running `"docker" "inspect" "354872d38eaf04b453a7cffc6f86d7f11164a6a080f7474cdea046387a4eb475"`
[INFO] running `"docker" "rm" "-f" "354872d38eaf04b453a7cffc6f86d7f11164a6a080f7474cdea046387a4eb475"`
[INFO] [stdout] 354872d38eaf04b453a7cffc6f86d7f11164a6a080f7474cdea046387a4eb475