[INFO] crate novaxml 0.1.0 is already in cache
[INFO] extracting crate novaxml 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/novaxml/0.1.0
[INFO] extracting crate novaxml 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/novaxml/0.1.0
[INFO] validating manifest of novaxml-0.1.0 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 novaxml-0.1.0 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 novaxml-0.1.0
[INFO] finished frobbing novaxml-0.1.0
[INFO] frobbed toml for novaxml-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/novaxml/0.1.0/Cargo.toml
[INFO] started frobbing novaxml-0.1.0
[INFO] finished frobbing novaxml-0.1.0
[INFO] frobbed toml for novaxml-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/novaxml/0.1.0/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 novaxml-0.1.0 against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/novaxml/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dclippy::into_iter_on_array" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a7f9416064e445175ba3d6ae621322345b097646fc6990e806e46cc76830bc8a
[INFO] running `"docker" "start" "-a" "a7f9416064e445175ba3d6ae621322345b097646fc6990e806e46cc76830bc8a"`
[INFO] [stderr]     Checking novaxml v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/parser.rs:145:29
[INFO] [stderr]     |
[INFO] [stderr] 145 |                             (Attribute::new(&n, &v)));
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: Consider removing unnecessary double parentheses
[INFO] [stderr]    --> src/parser.rs:145:29
[INFO] [stderr]     |
[INFO] [stderr] 145 |                             (Attribute::new(&n, &v)));
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::double_parens)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_parens
[INFO] [stderr] 
[INFO] [stderr] warning: this if statement can be collapsed
[INFO] [stderr]   --> src/tokenizer.rs:66:17
[INFO] [stderr]    |
[INFO] [stderr] 66 | /                 if last.len() == 2 {
[INFO] [stderr] 67 | |                     if last[0] == '-' && last[1] == '-' && c == '>' {
[INFO] [stderr] 68 | |                         reading_comment = false;
[INFO] [stderr] 69 | |                     }
[INFO] [stderr] 70 | |                 }
[INFO] [stderr]    | |_________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::collapsible_if)] on by default
[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] 66 |                 if last.len() == 2 && last[0] == '-' && last[1] == '-' && c == '>' {
[INFO] [stderr] 67 |     reading_comment = false;
[INFO] [stderr] 68 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: this if statement can be collapsed
[INFO] [stderr]    --> src/tokenizer.rs:215:17
[INFO] [stderr]     |
[INFO] [stderr] 215 | /                 if last.len() == 2 {
[INFO] [stderr] 216 | |                     if last[0] == '<' && last[1] == '!' {
[INFO] [stderr] 217 | |                         tokens.push(Token::MDLeft);
[INFO] [stderr] 218 | |                     }
[INFO] [stderr] 219 | |                 }
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[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] 215 |                 if last.len() == 2 && last[0] == '<' && last[1] == '!' {
[INFO] [stderr] 216 |     tokens.push(Token::MDLeft);
[INFO] [stderr] 217 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: this if statement can be collapsed
[INFO] [stderr]    --> src/tokenizer.rs:221:17
[INFO] [stderr]     |
[INFO] [stderr] 221 | /                 if !last.is_empty() {
[INFO] [stderr] 222 | |                     if last[0] == '<' {
[INFO] [stderr] 223 | |                         tokens.push(Token::Left);
[INFO] [stderr] 224 | |                         last.clear();
[INFO] [stderr] 225 | |                     }
[INFO] [stderr] 226 | |                 }
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[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] 221 |                 if !last.is_empty() && last[0] == '<' {
[INFO] [stderr] 222 |     tokens.push(Token::Left);
[INFO] [stderr] 223 |     last.clear();
[INFO] [stderr] 224 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/tokenizer.rs:240:22
[INFO] [stderr]     |
[INFO] [stderr] 240 |                   else {
[INFO] [stderr]     |  ______________________^
[INFO] [stderr] 241 | |                     if !acc.is_empty() {
[INFO] [stderr] 242 | |                         tokens.push(Token::Text(acc.clone()));
[INFO] [stderr] 243 | |                         acc.clear();
[INFO] [stderr] 244 | |                     }
[INFO] [stderr] 245 | |                 }
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[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] 240 |                 else if !acc.is_empty() {
[INFO] [stderr] 241 |     tokens.push(Token::Text(acc.clone()));
[INFO] [stderr] 242 |     acc.clear();
[INFO] [stderr] 243 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `is_*` usually take self by reference or no self; consider choosing a less ambiguous name
[INFO] [stderr]   --> src/nodes.rs:69:21
[INFO] [stderr]    |
[INFO] [stderr] 69 |     pub fn is_empty(&mut self) -> bool {
[INFO] [stderr]    |                     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::wrong_self_convention)] on by default
[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: equality checks against true are unnecessary
[INFO] [stderr]   --> src/nodes.rs:89:12
[INFO] [stderr]    |
[INFO] [stderr] 89 |         if self.empty == true {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^ help: try simplifying it as shown: `self.empty`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::bool_comparison)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/parser.rs:46:42
[INFO] [stderr]    |
[INFO] [stderr] 46 |                         state_stack.push(current_state.clone());
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `current_state`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/parser.rs:186:34
[INFO] [stderr]     |
[INFO] [stderr] 186 |                 state_stack.push(current_state.clone());
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `current_state`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/parser.rs:207:34
[INFO] [stderr]     |
[INFO] [stderr] 207 |                 state_stack.push(current_state.clone());
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `current_state`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/parser.rs:219:29
[INFO] [stderr]     |
[INFO] [stderr] 219 |                          p: &ParseState) -> Result<Element, String> {
[INFO] [stderr]     |                             ^^^^^^^^^^^ help: consider passing by value instead: `ParseState`
[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/tokenizer.rs:28:28
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub fn invalid_token(last: &char,
[INFO] [stderr]    |                            ^^^^^ help: consider passing by value instead: `char`
[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/tokenizer.rs:29:25
[INFO] [stderr]    |
[INFO] [stderr] 29 |                      s: &char) -> Result<Vec<Token>, String> {
[INFO] [stderr]    |                         ^^^^^ help: consider passing by value instead: `char`
[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 32
[INFO] [stderr]    --> src/tokenizer.rs:33:1
[INFO] [stderr]     |
[INFO] [stderr] 33  | / pub fn tokenize(s: &str) -> Result<Vec<Token>, String> {
[INFO] [stderr] 34  | |     let s = strip(s);
[INFO] [stderr] 35  | |     let mut acc = String::new();
[INFO] [stderr] 36  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 249 | |     Ok(tokens)
[INFO] [stderr] 250 | | }
[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: you should consider adding a `Default` implementation for `Document`
[INFO] [stderr]   --> src/lib.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | /     pub fn new() -> Document {
[INFO] [stderr] 17 | |         Document {
[INFO] [stderr] 18 | |             root: Element::new("root"),
[INFO] [stderr] 19 | |         }
[INFO] [stderr] 20 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 15 | impl Default for Document {
[INFO] [stderr] 16 |     fn default() -> Self {
[INFO] [stderr] 17 |         Self::new()
[INFO] [stderr] 18 |     }
[INFO] [stderr] 19 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/parser.rs:145:29
[INFO] [stderr]     |
[INFO] [stderr] 145 |                             (Attribute::new(&n, &v)));
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: Consider removing unnecessary double parentheses
[INFO] [stderr]    --> src/parser.rs:145:29
[INFO] [stderr]     |
[INFO] [stderr] 145 |                             (Attribute::new(&n, &v)));
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::double_parens)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_parens
[INFO] [stderr] 
[INFO] [stderr] warning: this if statement can be collapsed
[INFO] [stderr]   --> src/tokenizer.rs:66:17
[INFO] [stderr]    |
[INFO] [stderr] 66 | /                 if last.len() == 2 {
[INFO] [stderr] 67 | |                     if last[0] == '-' && last[1] == '-' && c == '>' {
[INFO] [stderr] 68 | |                         reading_comment = false;
[INFO] [stderr] 69 | |                     }
[INFO] [stderr] 70 | |                 }
[INFO] [stderr]    | |_________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::collapsible_if)] on by default
[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] 66 |                 if last.len() == 2 && last[0] == '-' && last[1] == '-' && c == '>' {
[INFO] [stderr] 67 |     reading_comment = false;
[INFO] [stderr] 68 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: this if statement can be collapsed
[INFO] [stderr]    --> src/tokenizer.rs:215:17
[INFO] [stderr]     |
[INFO] [stderr] 215 | /                 if last.len() == 2 {
[INFO] [stderr] 216 | |                     if last[0] == '<' && last[1] == '!' {
[INFO] [stderr] 217 | |                         tokens.push(Token::MDLeft);
[INFO] [stderr] 218 | |                     }
[INFO] [stderr] 219 | |                 }
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[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] 215 |                 if last.len() == 2 && last[0] == '<' && last[1] == '!' {
[INFO] [stderr] 216 |     tokens.push(Token::MDLeft);
[INFO] [stderr] 217 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: this if statement can be collapsed
[INFO] [stderr]    --> src/tokenizer.rs:221:17
[INFO] [stderr]     |
[INFO] [stderr] 221 | /                 if !last.is_empty() {
[INFO] [stderr] 222 | |                     if last[0] == '<' {
[INFO] [stderr] 223 | |                         tokens.push(Token::Left);
[INFO] [stderr] 224 | |                         last.clear();
[INFO] [stderr] 225 | |                     }
[INFO] [stderr] 226 | |                 }
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[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] 221 |                 if !last.is_empty() && last[0] == '<' {
[INFO] [stderr] 222 |     tokens.push(Token::Left);
[INFO] [stderr] 223 |     last.clear();
[INFO] [stderr] 224 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/tokenizer.rs:240:22
[INFO] [stderr]     |
[INFO] [stderr] 240 |                   else {
[INFO] [stderr]     |  ______________________^
[INFO] [stderr] 241 | |                     if !acc.is_empty() {
[INFO] [stderr] 242 | |                         tokens.push(Token::Text(acc.clone()));
[INFO] [stderr] 243 | |                         acc.clear();
[INFO] [stderr] 244 | |                     }
[INFO] [stderr] 245 | |                 }
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[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] 240 |                 else if !acc.is_empty() {
[INFO] [stderr] 241 |     tokens.push(Token::Text(acc.clone()));
[INFO] [stderr] 242 |     acc.clear();
[INFO] [stderr] 243 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `is_*` usually take self by reference or no self; consider choosing a less ambiguous name
[INFO] [stderr]   --> src/nodes.rs:69:21
[INFO] [stderr]    |
[INFO] [stderr] 69 |     pub fn is_empty(&mut self) -> bool {
[INFO] [stderr]    |                     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::wrong_self_convention)] on by default
[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: equality checks against true are unnecessary
[INFO] [stderr]   --> src/nodes.rs:89:12
[INFO] [stderr]    |
[INFO] [stderr] 89 |         if self.empty == true {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^ help: try simplifying it as shown: `self.empty`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::bool_comparison)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/parser.rs:46:42
[INFO] [stderr]    |
[INFO] [stderr] 46 |                         state_stack.push(current_state.clone());
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `current_state`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/parser.rs:186:34
[INFO] [stderr]     |
[INFO] [stderr] 186 |                 state_stack.push(current_state.clone());
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `current_state`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/parser.rs:207:34
[INFO] [stderr]     |
[INFO] [stderr] 207 |                 state_stack.push(current_state.clone());
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `current_state`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/parser.rs:219:29
[INFO] [stderr]     |
[INFO] [stderr] 219 |                          p: &ParseState) -> Result<Element, String> {
[INFO] [stderr]     |                             ^^^^^^^^^^^ help: consider passing by value instead: `ParseState`
[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/tokenizer.rs:28:28
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub fn invalid_token(last: &char,
[INFO] [stderr]    |                            ^^^^^ help: consider passing by value instead: `char`
[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/tokenizer.rs:29:25
[INFO] [stderr]    |
[INFO] [stderr] 29 |                      s: &char) -> Result<Vec<Token>, String> {
[INFO] [stderr]    |                         ^^^^^ help: consider passing by value instead: `char`
[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 32
[INFO] [stderr]    --> src/tokenizer.rs:33:1
[INFO] [stderr]     |
[INFO] [stderr] 33  | / pub fn tokenize(s: &str) -> Result<Vec<Token>, String> {
[INFO] [stderr] 34  | |     let s = strip(s);
[INFO] [stderr] 35  | |     let mut acc = String::new();
[INFO] [stderr] 36  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 249 | |     Ok(tokens)
[INFO] [stderr] 250 | | }
[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: you should consider adding a `Default` implementation for `Document`
[INFO] [stderr]   --> src/lib.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | /     pub fn new() -> Document {
[INFO] [stderr] 17 | |         Document {
[INFO] [stderr] 18 | |             root: Element::new("root"),
[INFO] [stderr] 19 | |         }
[INFO] [stderr] 20 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 15 | impl Default for Document {
[INFO] [stderr] 16 |     fn default() -> Self {
[INFO] [stderr] 17 |         Self::new()
[INFO] [stderr] 18 |     }
[INFO] [stderr] 19 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `"docker" "inspect" "a7f9416064e445175ba3d6ae621322345b097646fc6990e806e46cc76830bc8a"`
[INFO] running `"docker" "rm" "-f" "a7f9416064e445175ba3d6ae621322345b097646fc6990e806e46cc76830bc8a"`
[INFO] [stdout] a7f9416064e445175ba3d6ae621322345b097646fc6990e806e46cc76830bc8a