[INFO] updating cached repository chrisf1337/magician
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/chrisf1337/magician
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/chrisf1337/magician" "work/ex/clippy-test-run/sources/stable/gh/chrisf1337/magician"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/chrisf1337/magician'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/chrisf1337/magician" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/chrisf1337/magician"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/chrisf1337/magician'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 522459c534dcdf08ba33a708930cdebc5d4ce176
[INFO] sha for GitHub repo chrisf1337/magician: 522459c534dcdf08ba33a708930cdebc5d4ce176
[INFO] validating manifest of chrisf1337/magician 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 chrisf1337/magician 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 chrisf1337/magician
[INFO] finished frobbing chrisf1337/magician
[INFO] frobbed toml for chrisf1337/magician written to work/ex/clippy-test-run/sources/stable/gh/chrisf1337/magician/Cargo.toml
[INFO] started frobbing chrisf1337/magician
[INFO] finished frobbing chrisf1337/magician
[INFO] frobbed toml for chrisf1337/magician written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/chrisf1337/magician/Cargo.toml
[INFO] crate chrisf1337/magician 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 chrisf1337/magician 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-1/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/gh/chrisf1337/magician:/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] 42a7c905baa18041faba181a586ce6100e022d66d513a083d7816cd40962b9a5
[INFO] running `"docker" "start" "-a" "42a7c905baa18041faba181a586ce6100e022d66d513a083d7816cd40962b9a5"`
[INFO] [stderr]     Checking magician v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Checking maplit v1.0.1
[INFO] [stderr] warning: lint name `clippy` 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:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![warn(clippy)]
[INFO] [stderr]   |         ^^^^^^ help: change it to: `clippy::all`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(renamed_and_removed_lints)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `clippy` 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:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![warn(clippy)]
[INFO] [stderr]   |         ^^^^^^ help: change it to: `clippy::all`
[INFO] [stderr] 
[INFO] [stderr] warning: this if statement can be collapsed
[INFO] [stderr]    --> src/magicparser/selectorparser.rs:293:9
[INFO] [stderr]     |
[INFO] [stderr] 293 | /         if op.is_none() {
[INFO] [stderr] 294 | |             if case_insensitive {
[INFO] [stderr] 295 | |                 return Err(SelectorParserError::Unexpected(
[INFO] [stderr] 296 | |                     start_pos,
[INFO] [stderr] ...   |
[INFO] [stderr] 299 | |             }
[INFO] [stderr] 300 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:2:9
[INFO] [stderr]     |
[INFO] [stderr] 2   | #![warn(clippy)]
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] implied by #[warn(clippy::all)]
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 293 |         if op.is_none() && case_insensitive {
[INFO] [stderr] 294 |     return Err(SelectorParserError::Unexpected(
[INFO] [stderr] 295 |         start_pos,
[INFO] [stderr] 296 |         "cannot specify i/I for attribute selector without op and val".to_string(),
[INFO] [stderr] 297 |     ));
[INFO] [stderr] 298 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `clippy` 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:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![warn(clippy)]
[INFO] [stderr]   |         ^^^^^^ help: change it to: `clippy::all`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(renamed_and_removed_lints)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `parser_err` is never read
[INFO] [stderr]    --> src/magicparser/selectorparser.rs:327:17
[INFO] [stderr]     |
[INFO] [stderr] 327 |         let mut parser_err: Option<SelectorParserError> = None;
[INFO] [stderr]     |                 ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `clippy` 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:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![warn(clippy)]
[INFO] [stderr]   |         ^^^^^^ help: change it to: `clippy::all`
[INFO] [stderr] 
[INFO] [stderr] warning: this if statement can be collapsed
[INFO] [stderr]    --> src/magicparser/selectorparser.rs:293:9
[INFO] [stderr]     |
[INFO] [stderr] 293 | /         if op.is_none() {
[INFO] [stderr] 294 | |             if case_insensitive {
[INFO] [stderr] 295 | |                 return Err(SelectorParserError::Unexpected(
[INFO] [stderr] 296 | |                     start_pos,
[INFO] [stderr] ...   |
[INFO] [stderr] 299 | |             }
[INFO] [stderr] 300 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:2:9
[INFO] [stderr]     |
[INFO] [stderr] 2   | #![warn(clippy)]
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] implied by #[warn(clippy::all)]
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 293 |         if op.is_none() && case_insensitive {
[INFO] [stderr] 294 |     return Err(SelectorParserError::Unexpected(
[INFO] [stderr] 295 |         start_pos,
[INFO] [stderr] 296 |         "cannot specify i/I for attribute selector without op and val".to_string(),
[INFO] [stderr] 297 |     ));
[INFO] [stderr] 298 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `matches_simple_selector`
[INFO] [stderr]   --> src/style/selectormatcher.rs:5:1
[INFO] [stderr]    |
[INFO] [stderr] 5  | / fn matches_simple_selector(
[INFO] [stderr] 6  | |     node: &DomNodeRef,
[INFO] [stderr] 7  | |     SimpleSelector {
[INFO] [stderr] 8  | |         elem_type,
[INFO] [stderr] ...  |
[INFO] [stderr] 28 | |     true
[INFO] [stderr] 29 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `matches_attr_selector`
[INFO] [stderr]    --> src/style/selectormatcher.rs:31:1
[INFO] [stderr]     |
[INFO] [stderr] 31  | / fn matches_attr_selector(
[INFO] [stderr] 32  | |     node: &DomNodeRef,
[INFO] [stderr] 33  | |     AttrSelector {
[INFO] [stderr] 34  | |         attr,
[INFO] [stderr] ...   |
[INFO] [stderr] 116 | |     }
[INFO] [stderr] 117 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `matches_pseudo_class_selector`
[INFO] [stderr]    --> src/style/selectormatcher.rs:119:1
[INFO] [stderr]     |
[INFO] [stderr] 119 | fn matches_pseudo_class_selector(dom_node: &DomNodeRef, selector: &PseudoClassSelector) -> bool {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `matching_child_combinator_nodes`
[INFO] [stderr]    --> src/style/selectormatcher.rs:191:1
[INFO] [stderr]     |
[INFO] [stderr] 191 | fn matching_child_combinator_nodes(dom_node: &DomNodeRef, selector: &Selector) -> Vec<DomNodeRef> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `matching_gen_sib_combinator_nodes`
[INFO] [stderr]    --> src/style/selectormatcher.rs:209:1
[INFO] [stderr]     |
[INFO] [stderr] 209 | / fn matching_gen_sib_combinator_nodes(
[INFO] [stderr] 210 | |     dom_node: &DomNodeRef,
[INFO] [stderr] 211 | |     selector: &Selector,
[INFO] [stderr] 212 | | ) -> Vec<DomNodeRef> {
[INFO] [stderr] ...   |
[INFO] [stderr] 227 | |     }
[INFO] [stderr] 228 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `matches`
[INFO] [stderr]    --> src/style/selectormatcher.rs:230:1
[INFO] [stderr]     |
[INFO] [stderr] 230 | fn matches(dom_node: &DomNodeRef, selector: &Selector) -> bool {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]    --> src/magicparser/parser.rs:195:18
[INFO] [stderr]     |
[INFO] [stderr] 195 |         parsers: &[fn(&mut Self) -> Result<T, E>],
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:2:9
[INFO] [stderr]     |
[INFO] [stderr] 2   | #![warn(clippy)]
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr]     = note: #[warn(clippy::type_complexity)] implied by #[warn(clippy::all)]
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]    --> src/magicparser/parser.rs:216:43
[INFO] [stderr]     |
[INFO] [stderr] 216 |     fn try_parsers<T>(&mut self, parsers: &[fn(&mut Self) -> Result<T, E>]) -> Result<T, E> {
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `to_*` usually take self by reference; consider choosing a less ambiguous name
[INFO] [stderr]   --> src/magicparser/postparse.rs:65:21
[INFO] [stderr]    |
[INFO] [stderr] 65 |     pub fn to_dnref(self) -> DomNodeRef {
[INFO] [stderr]    |                     ^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:2:9
[INFO] [stderr]    |
[INFO] [stderr] 2  | #![warn(clippy)]
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    = note: #[warn(clippy::wrong_self_convention)] implied by #[warn(clippy::all)]
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]   --> src/magicparser/postparse.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 | /     pub fn add_child<'a>(&'a self, child: DomNodeRef) -> &'a Self {
[INFO] [stderr] 90 | |         let node = &self.ptr;
[INFO] [stderr] 91 | |         child.borrow_mut().parent = Some(Rc::downgrade(node));
[INFO] [stderr] 92 | |         let mut node = node.borrow_mut();
[INFO] [stderr] 93 | |         node.children.push(child);
[INFO] [stderr] 94 | |         self
[INFO] [stderr] 95 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:2:9
[INFO] [stderr]    |
[INFO] [stderr] 2  | #![warn(clippy)]
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    = note: #[warn(clippy::needless_lifetimes)] implied by #[warn(clippy::all)]
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/magicparser/postparse.rs:147:13
[INFO] [stderr]     |
[INFO] [stderr] 147 |             parent.borrow().children.iter().map(|x| x.clone()).collect()
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `parent.borrow().children.iter().cloned()`
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:2:9
[INFO] [stderr]     |
[INFO] [stderr] 2   | #![warn(clippy)]
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr]     = note: #[warn(clippy::map_clone)] implied by #[warn(clippy::all)]
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/magicparser/postparse.rs:297:9
[INFO] [stderr]     |
[INFO] [stderr] 297 | /         match self {
[INFO] [stderr] 298 | |             &A(a) => a == i,
[INFO] [stderr] 299 | |             &AnOpB(a, Some(NthExprOp::Add), b) => (i - b) / a >= 0 && (i - b) % a == 0,
[INFO] [stderr] 300 | |
[INFO] [stderr] 301 | |             &AnOpB(a, Some(NthExprOp::Sub), b) => (i + b) / a >= 0 && (i + b) % a == 0,
[INFO] [stderr] 302 | |             &AnOpB(a, None, _) => i / a >= 0 && i % a == 0,
[INFO] [stderr] 303 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:2:9
[INFO] [stderr]     |
[INFO] [stderr] 2   | #![warn(clippy)]
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr]     = note: #[warn(clippy::match_ref_pats)] implied by #[warn(clippy::all)]
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 297 |         match *self {
[INFO] [stderr] 298 |             A(a) => a == i,
[INFO] [stderr] 299 |             AnOpB(a, Some(NthExprOp::Add), b) => (i - b) / a >= 0 && (i - b) % a == 0,
[INFO] [stderr] 300 | 
[INFO] [stderr] 301 |             AnOpB(a, Some(NthExprOp::Sub), b) => (i + b) / a >= 0 && (i + b) % a == 0,
[INFO] [stderr] 302 |             AnOpB(a, None, _) => i / a >= 0 && i % a == 0,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_ok()`
[INFO] [stderr]    --> src/magicparser/selectorparser.rs:386:21
[INFO] [stderr]     |
[INFO] [stderr] 386 | /                     match self.lexer.try_parse_chars_strict("n") {
[INFO] [stderr] 387 | |                         Ok(_) => true,
[INFO] [stderr] 388 | |                         Err(_) => false,
[INFO] [stderr] 389 | |                     }
[INFO] [stderr]     | |_____________________^ help: try this: `self.lexer.try_parse_chars_strict("n").is_ok()`
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:2:9
[INFO] [stderr]     |
[INFO] [stderr] 2   | #![warn(clippy)]
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr]     = note: #[warn(clippy::redundant_pattern_matching)] implied by #[warn(clippy::all)]
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_ok()`
[INFO] [stderr]    --> src/magicparser/selectorparser.rs:391:21
[INFO] [stderr]     |
[INFO] [stderr] 391 | /                     match self.lexer.try_parse_chars("n") {
[INFO] [stderr] 392 | |                         Ok(_) => true,
[INFO] [stderr] 393 | |                         Err(_) => false,
[INFO] [stderr] 394 | |                     }
[INFO] [stderr]     | |_____________________^ help: try this: `self.lexer.try_parse_chars("n").is_ok()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: called `is_some()` after searching an `Iterator` with find. This is more succinctly expressed by calling `any()`.
[INFO] [stderr]   --> src/style/selectormatcher.rs:74:25
[INFO] [stderr]    |
[INFO] [stderr] 74 | /                         attr_value
[INFO] [stderr] 75 | |                             .split_whitespace()
[INFO] [stderr] 76 | |                             .find(|&s| {
[INFO] [stderr] 77 | |                                 s.to_lowercase() == val.to_lowercase()
[INFO] [stderr] ...  |
[INFO] [stderr] 80 | |                             })
[INFO] [stderr] 81 | |                             .is_some()
[INFO] [stderr]    | |______________________________________^
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:2:9
[INFO] [stderr]    |
[INFO] [stderr] 2  | #![warn(clippy)]
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    = note: #[warn(clippy::search_is_some)] implied by #[warn(clippy::all)]
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#search_is_some
[INFO] [stderr] 
[INFO] [stderr] warning: called `is_some()` after searching an `Iterator` with find. This is more succinctly expressed by calling `any()`.
[INFO] [stderr]   --> src/style/selectormatcher.rs:83:25
[INFO] [stderr]    |
[INFO] [stderr] 83 | /                         attr_value
[INFO] [stderr] 84 | |                             .split_whitespace()
[INFO] [stderr] 85 | |                             .find(|&s| s == val || s.starts_with(&format!("{}-", val)))
[INFO] [stderr] 86 | |                             .is_some()
[INFO] [stderr]    | |______________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: replace `find(|&s| s == val || s.starts_with(&format!("{}-", val))).is_some()` with `any(|&s| s == val || s.starts_with(&format!("{}-", val)))`
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#search_is_some
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_some()`
[INFO] [stderr]    --> src/style/selectormatcher.rs:112:17
[INFO] [stderr]     |
[INFO] [stderr] 112 |           None => match attrs.get(attr) {
[INFO] [stderr]     |  _________________^
[INFO] [stderr] 113 | |             Some(_) => true,
[INFO] [stderr] 114 | |             None => false,
[INFO] [stderr] 115 | |         },
[INFO] [stderr]     | |_________^ help: try this: `attrs.get(attr).is_some()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/style/selectormatcher.rs:192:5
[INFO] [stderr]     |
[INFO] [stderr] 192 | /     match selector {
[INFO] [stderr] 193 | |         &Selector::Combinator(ref first, Combinator::Child, ref second) => {
[INFO] [stderr] 194 | |             if !matches(dom_node, first) {
[INFO] [stderr] 195 | |                 return vec![];
[INFO] [stderr] ...   |
[INFO] [stderr] 203 | |         _ => unreachable!(),
[INFO] [stderr] 204 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 192 |     match *selector {
[INFO] [stderr] 193 |         Selector::Combinator(ref first, Combinator::Child, ref second) => {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/style/selectormatcher.rs:197:13
[INFO] [stderr]     |
[INFO] [stderr] 197 | /             (&dom_node.borrow().children)
[INFO] [stderr] 198 | |                 .iter()
[INFO] [stderr] 199 | |                 .filter(|child| matches(child, second))
[INFO] [stderr] 200 | |                 .map(|x| x.clone())
[INFO] [stderr]     | |___________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] help: Consider calling the dedicated `cloned` method
[INFO] [stderr]     |
[INFO] [stderr] 197 |             (&dom_node.borrow().children)
[INFO] [stderr] 198 |                 .iter()
[INFO] [stderr] 199 |                 .filter(|child| matches(child, second)).cloned()
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/style/selectormatcher.rs:213:5
[INFO] [stderr]     |
[INFO] [stderr] 213 | /     match selector {
[INFO] [stderr] 214 | |         &Selector::Combinator(ref first, Combinator::GeneralSibling, ref second) => {
[INFO] [stderr] 215 | |             if !matches(dom_node, first) {
[INFO] [stderr] 216 | |                 return vec![];
[INFO] [stderr] ...   |
[INFO] [stderr] 226 | |         _ => unreachable!(),
[INFO] [stderr] 227 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 213 |     match *selector {
[INFO] [stderr] 214 |         Selector::Combinator(ref first, Combinator::GeneralSibling, ref second) => {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/style/selectormatcher.rs:220:13
[INFO] [stderr]     |
[INFO] [stderr] 220 | /             (&siblings[child_index..])
[INFO] [stderr] 221 | |                 .iter()
[INFO] [stderr] 222 | |                 .filter(|x| matches(x, second))
[INFO] [stderr] 223 | |                 .map(|x| x.clone())
[INFO] [stderr]     | |___________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] help: Consider calling the dedicated `cloned` method
[INFO] [stderr]     |
[INFO] [stderr] 220 |             (&siblings[child_index..])
[INFO] [stderr] 221 |                 .iter()
[INFO] [stderr] 222 |                 .filter(|x| matches(x, second)).cloned()
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]   --> src/bin/main.rs:15:38
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let mut f = File::open(filename).expect(&format!("file {:?} not found", filename));
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("file {:?} not found", filename))`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::expect_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]   --> src/bin/main.rs:18:10
[INFO] [stderr]    |
[INFO] [stderr] 18 |         .expect(&format!("error reading file {:?}", filename));
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("error reading file {:?}", filename))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]   --> src/bin/main.rs:15:38
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let mut f = File::open(filename).expect(&format!("file {:?} not found", filename));
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("file {:?} not found", filename))`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::expect_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]   --> src/bin/main.rs:18:10
[INFO] [stderr]    |
[INFO] [stderr] 18 |         .expect(&format!("error reading file {:?}", filename));
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("error reading file {:?}", filename))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `parser_err` is never read
[INFO] [stderr]    --> src/magicparser/selectorparser.rs:327:17
[INFO] [stderr]     |
[INFO] [stderr] 327 |         let mut parser_err: Option<SelectorParserError> = None;
[INFO] [stderr]     |                 ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]    --> src/magicparser/parser.rs:195:18
[INFO] [stderr]     |
[INFO] [stderr] 195 |         parsers: &[fn(&mut Self) -> Result<T, E>],
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:2:9
[INFO] [stderr]     |
[INFO] [stderr] 2   | #![warn(clippy)]
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr]     = note: #[warn(clippy::type_complexity)] implied by #[warn(clippy::all)]
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]    --> src/magicparser/parser.rs:216:43
[INFO] [stderr]     |
[INFO] [stderr] 216 |     fn try_parsers<T>(&mut self, parsers: &[fn(&mut Self) -> Result<T, E>]) -> Result<T, E> {
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `to_*` usually take self by reference; consider choosing a less ambiguous name
[INFO] [stderr]   --> src/magicparser/postparse.rs:65:21
[INFO] [stderr]    |
[INFO] [stderr] 65 |     pub fn to_dnref(self) -> DomNodeRef {
[INFO] [stderr]    |                     ^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:2:9
[INFO] [stderr]    |
[INFO] [stderr] 2  | #![warn(clippy)]
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    = note: #[warn(clippy::wrong_self_convention)] implied by #[warn(clippy::all)]
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]   --> src/magicparser/postparse.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 | /     pub fn add_child<'a>(&'a self, child: DomNodeRef) -> &'a Self {
[INFO] [stderr] 90 | |         let node = &self.ptr;
[INFO] [stderr] 91 | |         child.borrow_mut().parent = Some(Rc::downgrade(node));
[INFO] [stderr] 92 | |         let mut node = node.borrow_mut();
[INFO] [stderr] 93 | |         node.children.push(child);
[INFO] [stderr] 94 | |         self
[INFO] [stderr] 95 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:2:9
[INFO] [stderr]    |
[INFO] [stderr] 2  | #![warn(clippy)]
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    = note: #[warn(clippy::needless_lifetimes)] implied by #[warn(clippy::all)]
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/magicparser/postparse.rs:147:13
[INFO] [stderr]     |
[INFO] [stderr] 147 |             parent.borrow().children.iter().map(|x| x.clone()).collect()
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `parent.borrow().children.iter().cloned()`
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:2:9
[INFO] [stderr]     |
[INFO] [stderr] 2   | #![warn(clippy)]
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr]     = note: #[warn(clippy::map_clone)] implied by #[warn(clippy::all)]
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/magicparser/postparse.rs:297:9
[INFO] [stderr]     |
[INFO] [stderr] 297 | /         match self {
[INFO] [stderr] 298 | |             &A(a) => a == i,
[INFO] [stderr] 299 | |             &AnOpB(a, Some(NthExprOp::Add), b) => (i - b) / a >= 0 && (i - b) % a == 0,
[INFO] [stderr] 300 | |
[INFO] [stderr] 301 | |             &AnOpB(a, Some(NthExprOp::Sub), b) => (i + b) / a >= 0 && (i + b) % a == 0,
[INFO] [stderr] 302 | |             &AnOpB(a, None, _) => i / a >= 0 && i % a == 0,
[INFO] [stderr] 303 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:2:9
[INFO] [stderr]     |
[INFO] [stderr] 2   | #![warn(clippy)]
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr]     = note: #[warn(clippy::match_ref_pats)] implied by #[warn(clippy::all)]
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 297 |         match *self {
[INFO] [stderr] 298 |             A(a) => a == i,
[INFO] [stderr] 299 |             AnOpB(a, Some(NthExprOp::Add), b) => (i - b) / a >= 0 && (i - b) % a == 0,
[INFO] [stderr] 300 | 
[INFO] [stderr] 301 |             AnOpB(a, Some(NthExprOp::Sub), b) => (i + b) / a >= 0 && (i + b) % a == 0,
[INFO] [stderr] 302 |             AnOpB(a, None, _) => i / a >= 0 && i % a == 0,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_ok()`
[INFO] [stderr]    --> src/magicparser/selectorparser.rs:386:21
[INFO] [stderr]     |
[INFO] [stderr] 386 | /                     match self.lexer.try_parse_chars_strict("n") {
[INFO] [stderr] 387 | |                         Ok(_) => true,
[INFO] [stderr] 388 | |                         Err(_) => false,
[INFO] [stderr] 389 | |                     }
[INFO] [stderr]     | |_____________________^ help: try this: `self.lexer.try_parse_chars_strict("n").is_ok()`
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:2:9
[INFO] [stderr]     |
[INFO] [stderr] 2   | #![warn(clippy)]
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr]     = note: #[warn(clippy::redundant_pattern_matching)] implied by #[warn(clippy::all)]
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_ok()`
[INFO] [stderr]    --> src/magicparser/selectorparser.rs:391:21
[INFO] [stderr]     |
[INFO] [stderr] 391 | /                     match self.lexer.try_parse_chars("n") {
[INFO] [stderr] 392 | |                         Ok(_) => true,
[INFO] [stderr] 393 | |                         Err(_) => false,
[INFO] [stderr] 394 | |                     }
[INFO] [stderr]     | |_____________________^ help: try this: `self.lexer.try_parse_chars("n").is_ok()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: called `is_some()` after searching an `Iterator` with find. This is more succinctly expressed by calling `any()`.
[INFO] [stderr]   --> src/style/selectormatcher.rs:74:25
[INFO] [stderr]    |
[INFO] [stderr] 74 | /                         attr_value
[INFO] [stderr] 75 | |                             .split_whitespace()
[INFO] [stderr] 76 | |                             .find(|&s| {
[INFO] [stderr] 77 | |                                 s.to_lowercase() == val.to_lowercase()
[INFO] [stderr] ...  |
[INFO] [stderr] 80 | |                             })
[INFO] [stderr] 81 | |                             .is_some()
[INFO] [stderr]    | |______________________________________^
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:2:9
[INFO] [stderr]    |
[INFO] [stderr] 2  | #![warn(clippy)]
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    = note: #[warn(clippy::search_is_some)] implied by #[warn(clippy::all)]
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#search_is_some
[INFO] [stderr] 
[INFO] [stderr] warning: called `is_some()` after searching an `Iterator` with find. This is more succinctly expressed by calling `any()`.
[INFO] [stderr]   --> src/style/selectormatcher.rs:83:25
[INFO] [stderr]    |
[INFO] [stderr] 83 | /                         attr_value
[INFO] [stderr] 84 | |                             .split_whitespace()
[INFO] [stderr] 85 | |                             .find(|&s| s == val || s.starts_with(&format!("{}-", val)))
[INFO] [stderr] 86 | |                             .is_some()
[INFO] [stderr]    | |______________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: replace `find(|&s| s == val || s.starts_with(&format!("{}-", val))).is_some()` with `any(|&s| s == val || s.starts_with(&format!("{}-", val)))`
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#search_is_some
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_some()`
[INFO] [stderr]    --> src/style/selectormatcher.rs:112:17
[INFO] [stderr]     |
[INFO] [stderr] 112 |           None => match attrs.get(attr) {
[INFO] [stderr]     |  _________________^
[INFO] [stderr] 113 | |             Some(_) => true,
[INFO] [stderr] 114 | |             None => false,
[INFO] [stderr] 115 | |         },
[INFO] [stderr]     | |_________^ help: try this: `attrs.get(attr).is_some()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/style/selectormatcher.rs:192:5
[INFO] [stderr]     |
[INFO] [stderr] 192 | /     match selector {
[INFO] [stderr] 193 | |         &Selector::Combinator(ref first, Combinator::Child, ref second) => {
[INFO] [stderr] 194 | |             if !matches(dom_node, first) {
[INFO] [stderr] 195 | |                 return vec![];
[INFO] [stderr] ...   |
[INFO] [stderr] 203 | |         _ => unreachable!(),
[INFO] [stderr] 204 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 192 |     match *selector {
[INFO] [stderr] 193 |         Selector::Combinator(ref first, Combinator::Child, ref second) => {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/style/selectormatcher.rs:197:13
[INFO] [stderr]     |
[INFO] [stderr] 197 | /             (&dom_node.borrow().children)
[INFO] [stderr] 198 | |                 .iter()
[INFO] [stderr] 199 | |                 .filter(|child| matches(child, second))
[INFO] [stderr] 200 | |                 .map(|x| x.clone())
[INFO] [stderr]     | |___________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] help: Consider calling the dedicated `cloned` method
[INFO] [stderr]     |
[INFO] [stderr] 197 |             (&dom_node.borrow().children)
[INFO] [stderr] 198 |                 .iter()
[INFO] [stderr] 199 |                 .filter(|child| matches(child, second)).cloned()
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/style/selectormatcher.rs:213:5
[INFO] [stderr]     |
[INFO] [stderr] 213 | /     match selector {
[INFO] [stderr] 214 | |         &Selector::Combinator(ref first, Combinator::GeneralSibling, ref second) => {
[INFO] [stderr] 215 | |             if !matches(dom_node, first) {
[INFO] [stderr] 216 | |                 return vec![];
[INFO] [stderr] ...   |
[INFO] [stderr] 226 | |         _ => unreachable!(),
[INFO] [stderr] 227 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 213 |     match *selector {
[INFO] [stderr] 214 |         Selector::Combinator(ref first, Combinator::GeneralSibling, ref second) => {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/style/selectormatcher.rs:220:13
[INFO] [stderr]     |
[INFO] [stderr] 220 | /             (&siblings[child_index..])
[INFO] [stderr] 221 | |                 .iter()
[INFO] [stderr] 222 | |                 .filter(|x| matches(x, second))
[INFO] [stderr] 223 | |                 .map(|x| x.clone())
[INFO] [stderr]     | |___________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] help: Consider calling the dedicated `cloned` method
[INFO] [stderr]     |
[INFO] [stderr] 220 |             (&siblings[child_index..])
[INFO] [stderr] 221 |                 .iter()
[INFO] [stderr] 222 |                 .filter(|x| matches(x, second)).cloned()
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.97s
[INFO] running `"docker" "inspect" "42a7c905baa18041faba181a586ce6100e022d66d513a083d7816cd40962b9a5"`
[INFO] running `"docker" "rm" "-f" "42a7c905baa18041faba181a586ce6100e022d66d513a083d7816cd40962b9a5"`
[INFO] [stdout] 42a7c905baa18041faba181a586ce6100e022d66d513a083d7816cd40962b9a5