[INFO] updating cached repository soebosi/turtle_parser
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/soebosi/turtle_parser
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/soebosi/turtle_parser" "work/ex/clippy-test-run/sources/stable/gh/soebosi/turtle_parser"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/soebosi/turtle_parser'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/soebosi/turtle_parser" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/soebosi/turtle_parser"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/soebosi/turtle_parser'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a2b3cedccdd7f69bb0c32225403c638f0239f50f
[INFO] sha for GitHub repo soebosi/turtle_parser: a2b3cedccdd7f69bb0c32225403c638f0239f50f
[INFO] validating manifest of soebosi/turtle_parser 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 soebosi/turtle_parser 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 soebosi/turtle_parser
[INFO] finished frobbing soebosi/turtle_parser
[INFO] frobbed toml for soebosi/turtle_parser written to work/ex/clippy-test-run/sources/stable/gh/soebosi/turtle_parser/Cargo.toml
[INFO] started frobbing soebosi/turtle_parser
[INFO] finished frobbing soebosi/turtle_parser
[INFO] frobbed toml for soebosi/turtle_parser written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/soebosi/turtle_parser/Cargo.toml
[INFO] crate soebosi/turtle_parser has a lockfile. skipping
[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 soebosi/turtle_parser against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/soebosi/turtle_parser:/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] c549ec64dcd3157f8f65e43e87e16a11c4f0452586dacd9ed26819184f5f4dfe
[INFO] running `"docker" "start" "-a" "c549ec64dcd3157f8f65e43e87e16a11c4f0452586dacd9ed26819184f5f4dfe"`
[INFO] [stderr]    Compiling pest v1.0.0-rc.1
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]    Compiling pest_derive v1.0.0-rc.1
[INFO] [stderr]     Checking turtle_parser v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]  --> src/grammar.rs:2:18
[INFO] [stderr]   |
[INFO] [stderr] 2 | const _GRAMMER: &'static str = include_str!("grammar.pest");
[INFO] [stderr]   |                 -^^^^^^^---- help: consider removing `'static`: `&str`
[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: Constants have by default a `'static` lifetime
[INFO] [stderr]  --> src/grammar.rs:2:18
[INFO] [stderr]   |
[INFO] [stderr] 2 | const _GRAMMER: &'static str = include_str!("grammar.pest");
[INFO] [stderr]   |                 -^^^^^^^---- help: consider removing `'static`: `&str`
[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: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]  --> src/grammar.rs:2:18
[INFO] [stderr]   |
[INFO] [stderr] 2 | const _GRAMMER: &'static str = include_str!("grammar.pest");
[INFO] [stderr]   |                 -^^^^^^^---- help: consider removing `'static`: `&str`
[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: Constants have by default a `'static` lifetime
[INFO] [stderr]  --> src/grammar.rs:2:18
[INFO] [stderr]   |
[INFO] [stderr] 2 | const _GRAMMER: &'static str = include_str!("grammar.pest");
[INFO] [stderr]   |                 -^^^^^^^---- help: consider removing `'static`: `&str`
[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: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     file.read_to_string(&mut contents);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/main.rs:36:20
[INFO] [stderr]    |
[INFO] [stderr] 36 | fn parse(contents: &String, result: &mut Vec<Result>) {
[INFO] [stderr]    |                    ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/main.rs:53:22
[INFO] [stderr]    |
[INFO] [stderr] 53 |             text: if children.len() == 0 {
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `children.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: the function has a cyclomatic complexity of 68
[INFO] [stderr]   --> src/grammar.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | / fn subject_test() {
[INFO] [stderr] 28 | |     parses_to! {
[INFO] [stderr] 29 | |         parser: TurtleParser,
[INFO] [stderr] 30 | |         input: "<http://www.example.com>",
[INFO] [stderr] ...  |
[INFO] [stderr] 72 | |     };
[INFO] [stderr] 73 | | }
[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: the function has a cyclomatic complexity of 170
[INFO] [stderr]    --> src/grammar.rs:92:1
[INFO] [stderr]     |
[INFO] [stderr] 92  | / fn object_test() {
[INFO] [stderr] 93  | |     parses_to! {
[INFO] [stderr] 94  | |         parser: TurtleParser,
[INFO] [stderr] 95  | |         input: "<http://www.example.com>",
[INFO] [stderr] ...   |
[INFO] [stderr] 178 | |     };
[INFO] [stderr] 179 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[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: the function has a cyclomatic complexity of 44
[INFO] [stderr]    --> src/grammar.rs:182:1
[INFO] [stderr]     |
[INFO] [stderr] 182 | / fn literal_test() {
[INFO] [stderr] 183 | |     parses_to! {
[INFO] [stderr] 184 | |         parser: TurtleParser,
[INFO] [stderr] 185 | |         input: r#""test"@en"#,
[INFO] [stderr] ...   |
[INFO] [stderr] 221 | |     };
[INFO] [stderr] 222 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[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: the function has a cyclomatic complexity of 74
[INFO] [stderr]    --> src/grammar.rs:225:1
[INFO] [stderr]     |
[INFO] [stderr] 225 | / fn blank_node_property_list_test() {
[INFO] [stderr] 226 | |     parses_to! {
[INFO] [stderr] 227 | |         parser: TurtleParser,
[INFO] [stderr] 228 | |         input: "[<http://verb> <http://object1>, <http://object2>; a <http://object3>]",
[INFO] [stderr] ...   |
[INFO] [stderr] 245 | |     };
[INFO] [stderr] 246 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[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: the function has a cyclomatic complexity of 38
[INFO] [stderr]    --> src/grammar.rs:249:1
[INFO] [stderr]     |
[INFO] [stderr] 249 | / fn collection_test() {
[INFO] [stderr] 250 | |     parses_to! {
[INFO] [stderr] 251 | |         parser: TurtleParser,
[INFO] [stderr] 252 | |         input: "(<http://www.example.com> ([ ]))",
[INFO] [stderr] ...   |
[INFO] [stderr] 266 | |     };
[INFO] [stderr] 267 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[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: the function has a cyclomatic complexity of 28
[INFO] [stderr]    --> src/grammar.rs:270:1
[INFO] [stderr]     |
[INFO] [stderr] 270 | / fn numeric_literal_test() {
[INFO] [stderr] 271 | |     parses_to! {
[INFO] [stderr] 272 | |         parser: TurtleParser,
[INFO] [stderr] 273 | |         input: "+10",
[INFO] [stderr] ...   |
[INFO] [stderr] 302 | |     };
[INFO] [stderr] 303 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[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: the function has a cyclomatic complexity of 39
[INFO] [stderr]    --> src/grammar.rs:306:1
[INFO] [stderr]     |
[INFO] [stderr] 306 | / fn rdf_literal_test() {
[INFO] [stderr] 307 | |     parses_to! {
[INFO] [stderr] 308 | |         parser: TurtleParser,
[INFO] [stderr] 309 | |         input: r#""test"@en"#,
[INFO] [stderr] ...   |
[INFO] [stderr] 335 | |     };
[INFO] [stderr] 336 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[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: the function has a cyclomatic complexity of 68
[INFO] [stderr]   --> src/grammar.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | / fn subject_test() {
[INFO] [stderr] 28 | |     parses_to! {
[INFO] [stderr] 29 | |         parser: TurtleParser,
[INFO] [stderr] 30 | |         input: "<http://www.example.com>",
[INFO] [stderr] ...  |
[INFO] [stderr] 72 | |     };
[INFO] [stderr] 73 | | }
[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: the function has a cyclomatic complexity of 37
[INFO] [stderr]    --> src/grammar.rs:360:1
[INFO] [stderr]     |
[INFO] [stderr] 360 | / fn string_test() {
[INFO] [stderr] 361 | |     parses_to! {
[INFO] [stderr] 362 | |         parser: TurtleParser,
[INFO] [stderr] 363 | |         input: r#""test""#,
[INFO] [stderr] ...   |
[INFO] [stderr] 403 | |     };
[INFO] [stderr] 404 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[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: the function has a cyclomatic complexity of 170
[INFO] [stderr]    --> src/grammar.rs:92:1
[INFO] [stderr]     |
[INFO] [stderr] 92  | / fn object_test() {
[INFO] [stderr] 93  | |     parses_to! {
[INFO] [stderr] 94  | |         parser: TurtleParser,
[INFO] [stderr] 95  | |         input: "<http://www.example.com>",
[INFO] [stderr] ...   |
[INFO] [stderr] 178 | |     };
[INFO] [stderr] 179 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[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: the function has a cyclomatic complexity of 44
[INFO] [stderr]    --> src/grammar.rs:182:1
[INFO] [stderr]     |
[INFO] [stderr] 182 | / fn literal_test() {
[INFO] [stderr] 183 | |     parses_to! {
[INFO] [stderr] 184 | |         parser: TurtleParser,
[INFO] [stderr] 185 | |         input: r#""test"@en"#,
[INFO] [stderr] ...   |
[INFO] [stderr] 221 | |     };
[INFO] [stderr] 222 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[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: the function has a cyclomatic complexity of 74
[INFO] [stderr]    --> src/grammar.rs:225:1
[INFO] [stderr]     |
[INFO] [stderr] 225 | / fn blank_node_property_list_test() {
[INFO] [stderr] 226 | |     parses_to! {
[INFO] [stderr] 227 | |         parser: TurtleParser,
[INFO] [stderr] 228 | |         input: "[<http://verb> <http://object1>, <http://object2>; a <http://object3>]",
[INFO] [stderr] ...   |
[INFO] [stderr] 245 | |     };
[INFO] [stderr] 246 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[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: the function has a cyclomatic complexity of 38
[INFO] [stderr]    --> src/grammar.rs:249:1
[INFO] [stderr]     |
[INFO] [stderr] 249 | / fn collection_test() {
[INFO] [stderr] 250 | |     parses_to! {
[INFO] [stderr] 251 | |         parser: TurtleParser,
[INFO] [stderr] 252 | |         input: "(<http://www.example.com> ([ ]))",
[INFO] [stderr] ...   |
[INFO] [stderr] 266 | |     };
[INFO] [stderr] 267 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[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: the function has a cyclomatic complexity of 28
[INFO] [stderr]    --> src/grammar.rs:270:1
[INFO] [stderr]     |
[INFO] [stderr] 270 | / fn numeric_literal_test() {
[INFO] [stderr] 271 | |     parses_to! {
[INFO] [stderr] 272 | |         parser: TurtleParser,
[INFO] [stderr] 273 | |         input: "+10",
[INFO] [stderr] ...   |
[INFO] [stderr] 302 | |     };
[INFO] [stderr] 303 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[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: the function has a cyclomatic complexity of 39
[INFO] [stderr]    --> src/grammar.rs:306:1
[INFO] [stderr]     |
[INFO] [stderr] 306 | / fn rdf_literal_test() {
[INFO] [stderr] 307 | |     parses_to! {
[INFO] [stderr] 308 | |         parser: TurtleParser,
[INFO] [stderr] 309 | |         input: r#""test"@en"#,
[INFO] [stderr] ...   |
[INFO] [stderr] 335 | |     };
[INFO] [stderr] 336 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[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: the function has a cyclomatic complexity of 37
[INFO] [stderr]    --> src/grammar.rs:360:1
[INFO] [stderr]     |
[INFO] [stderr] 360 | / fn string_test() {
[INFO] [stderr] 361 | |     parses_to! {
[INFO] [stderr] 362 | |         parser: TurtleParser,
[INFO] [stderr] 363 | |         input: r#""test""#,
[INFO] [stderr] ...   |
[INFO] [stderr] 403 | |     };
[INFO] [stderr] 404 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[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: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     file.read_to_string(&mut contents);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/main.rs:36:20
[INFO] [stderr]    |
[INFO] [stderr] 36 | fn parse(contents: &String, result: &mut Vec<Result>) {
[INFO] [stderr]    |                    ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/main.rs:53:22
[INFO] [stderr]    |
[INFO] [stderr] 53 |             text: if children.len() == 0 {
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `children.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]     Finished dev [unoptimized + debuginfo] target(s) in 28.00s
[INFO] running `"docker" "inspect" "c549ec64dcd3157f8f65e43e87e16a11c4f0452586dacd9ed26819184f5f4dfe"`
[INFO] running `"docker" "rm" "-f" "c549ec64dcd3157f8f65e43e87e16a11c4f0452586dacd9ed26819184f5f4dfe"`
[INFO] [stdout] c549ec64dcd3157f8f65e43e87e16a11c4f0452586dacd9ed26819184f5f4dfe