[INFO] crate wellington 0.0.1 is already in cache
[INFO] extracting crate wellington 0.0.1 into work/ex/clippy-test-run/sources/stable/reg/wellington/0.0.1
[INFO] extracting crate wellington 0.0.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/wellington/0.0.1
[INFO] validating manifest of wellington-0.0.1 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 wellington-0.0.1 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 wellington-0.0.1
[INFO] finished frobbing wellington-0.0.1
[INFO] frobbed toml for wellington-0.0.1 written to work/ex/clippy-test-run/sources/stable/reg/wellington/0.0.1/Cargo.toml
[INFO] started frobbing wellington-0.0.1
[INFO] finished frobbing wellington-0.0.1
[INFO] frobbed toml for wellington-0.0.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/wellington/0.0.1/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 wellington-0.0.1 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/wellington/0.0.1:/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] cf884b3d4d47c737461bfc4f69d8d92e15058fda09f5a14d423d60bbd7551fff
[INFO] running `"docker" "start" "-a" "cf884b3d4d47c737461bfc4f69d8d92e15058fda09f5a14d423d60bbd7551fff"`
[INFO] [stderr]    Compiling pest v2.1.0
[INFO] [stderr]     Checking csv v1.0.5
[INFO] [stderr]     Checking url_serde v0.2.0
[INFO] [stderr]    Compiling pest_meta v2.1.0
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking handlebars v1.1.0
[INFO] [stderr]     Checking wellington v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]   --> src/parser.rs:78:16
[INFO] [stderr]    |
[INFO] [stderr] 78 |           } else {
[INFO] [stderr]    |  ________________^
[INFO] [stderr] 79 | |             if start {
[INFO] [stderr] 80 | |                 Event::Start(Tag::Paragraph)
[INFO] [stderr] 81 | |             } else {
[INFO] [stderr] 82 | |                 Event::End(Tag::Paragraph)
[INFO] [stderr] 83 | |             }
[INFO] [stderr] 84 | |         }
[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] 78 |         } else if start {
[INFO] [stderr] 79 |     Event::Start(Tag::Paragraph)
[INFO] [stderr] 80 | } else {
[INFO] [stderr] 81 |     Event::End(Tag::Paragraph)
[INFO] [stderr] 82 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/toc.rs:307:17
[INFO] [stderr]     |
[INFO] [stderr] 307 |                 return Err(BlogError::InitCoreData(e));
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(BlogError::InitCoreData(e))`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/rss.rs:175:25
[INFO] [stderr]     |
[INFO] [stderr] 175 |               Err(e) => { return Err(RSSError{
[INFO] [stderr]     |  _________________________^
[INFO] [stderr] 176 | |                 msg: format!("Couldn't write to file: {}", e),
[INFO] [stderr] 177 | |                 kind: ErrorKind::WriteError
[INFO] [stderr] 178 | |             })}
[INFO] [stderr]     | |______________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 175 |             Err(e) => { Err(RSSError{
[INFO] [stderr] 176 |                 msg: format!("Couldn't write to file: {}", e),
[INFO] [stderr] 177 |                 kind: ErrorKind::WriteError
[INFO] [stderr] 178 |             })}
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: using a reference to `Cow` is not recommended.
[INFO] [stderr]   --> src/parser.rs:91:31
[INFO] [stderr]    |
[INFO] [stderr] 91 |     fn link_is_relative(link: &Cow<str>) -> bool {
[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: you should use the `starts_with` method
[INFO] [stderr]   --> src/parser.rs:92:35
[INFO] [stderr]    |
[INFO] [stderr] 92 |         !(link.contains("://") || (link.chars().next() == Some('/')))
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: like this: `link.starts_with('/')`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::chars_next_cmp)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#chars_next_cmp
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/parser.rs:153:20
[INFO] [stderr]     |
[INFO] [stderr] 153 |                 if self.remaining_text.len() > 0 {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.remaining_text.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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/toc.rs:119:13
[INFO] [stderr]     |
[INFO] [stderr] 119 | /             match fs::write(&output_filename, rendered) {
[INFO] [stderr] 120 | |                 Err(_) => {
[INFO] [stderr] 121 | |                     return Err(BlogError::WriteError(output_filename));
[INFO] [stderr] 122 | |                 },
[INFO] [stderr] 123 | |                 _ => ()
[INFO] [stderr] 124 | |             };
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 119 |             if let Err(_) = fs::write(&output_filename, rendered) {
[INFO] [stderr] 120 |     return Err(BlogError::WriteError(output_filename));
[INFO] [stderr] 121 | };
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]   --> src/parser.rs:78:16
[INFO] [stderr]    |
[INFO] [stderr] 78 |           } else {
[INFO] [stderr]    |  ________________^
[INFO] [stderr] 79 | |             if start {
[INFO] [stderr] 80 | |                 Event::Start(Tag::Paragraph)
[INFO] [stderr] 81 | |             } else {
[INFO] [stderr] 82 | |                 Event::End(Tag::Paragraph)
[INFO] [stderr] 83 | |             }
[INFO] [stderr] 84 | |         }
[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] 78 |         } else if start {
[INFO] [stderr] 79 |     Event::Start(Tag::Paragraph)
[INFO] [stderr] 80 | } else {
[INFO] [stderr] 81 |     Event::End(Tag::Paragraph)
[INFO] [stderr] 82 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/toc.rs:307:17
[INFO] [stderr]     |
[INFO] [stderr] 307 |                 return Err(BlogError::InitCoreData(e));
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(BlogError::InitCoreData(e))`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/rss.rs:175:25
[INFO] [stderr]     |
[INFO] [stderr] 175 |               Err(e) => { return Err(RSSError{
[INFO] [stderr]     |  _________________________^
[INFO] [stderr] 176 | |                 msg: format!("Couldn't write to file: {}", e),
[INFO] [stderr] 177 | |                 kind: ErrorKind::WriteError
[INFO] [stderr] 178 | |             })}
[INFO] [stderr]     | |______________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 175 |             Err(e) => { Err(RSSError{
[INFO] [stderr] 176 |                 msg: format!("Couldn't write to file: {}", e),
[INFO] [stderr] 177 |                 kind: ErrorKind::WriteError
[INFO] [stderr] 178 |             })}
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/toc.rs:297:9
[INFO] [stderr]     |
[INFO] [stderr] 297 | /         match self.validate_templates() { 
[INFO] [stderr] 298 | |             Err(e) => {
[INFO] [stderr] 299 | |                 return Err(BlogError::InitTemplate(e));
[INFO] [stderr] 300 | |             }, 
[INFO] [stderr] 301 | |             _ => ()
[INFO] [stderr] 302 | |         };
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 297 |         if let Err(e) = self.validate_templates() {
[INFO] [stderr] 298 |     return Err(BlogError::InitTemplate(e));
[INFO] [stderr] 299 | };
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/toc.rs:303:9
[INFO] [stderr]     |
[INFO] [stderr] 303 |         match &post { Some(s) => self.install_template(s, PATH_POST)?, _ => () };
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `if let Some(s) = &post { self.install_template(s, PATH_POST)? }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/toc.rs:304:9
[INFO] [stderr]     |
[INFO] [stderr] 304 |         match &index { Some(s) => self.install_template(s, PATH_INDEX)?, _ => () };
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `if let Some(s) = &index { self.install_template(s, PATH_INDEX)? }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `as_*` usually take self by reference or self by mutable reference; consider choosing a less ambiguous name
[INFO] [stderr]   --> src/templates.rs:74:16
[INFO] [stderr]    |
[INFO] [stderr] 74 |     fn as_date(h: &Helper, 
[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: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/templates.rs:148:35
[INFO] [stderr]     |
[INFO] [stderr] 148 |         let post_path = path_post.unwrap_or(PATH_POST.to_string());
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| PATH_POST.to_string())`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/templates.rs:149:37
[INFO] [stderr]     |
[INFO] [stderr] 149 |         let index_path = path_index.unwrap_or(PATH_INDEX.to_string());
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| PATH_INDEX.to_string())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: using a reference to `Cow` is not recommended.
[INFO] [stderr]   --> src/parser.rs:91:31
[INFO] [stderr]    |
[INFO] [stderr] 91 |     fn link_is_relative(link: &Cow<str>) -> bool {
[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: you should use the `starts_with` method
[INFO] [stderr]   --> src/parser.rs:92:35
[INFO] [stderr]    |
[INFO] [stderr] 92 |         !(link.contains("://") || (link.chars().next() == Some('/')))
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: like this: `link.starts_with('/')`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::chars_next_cmp)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#chars_next_cmp
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/parser.rs:153:20
[INFO] [stderr]     |
[INFO] [stderr] 153 |                 if self.remaining_text.len() > 0 {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.remaining_text.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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/toc.rs:119:13
[INFO] [stderr]     |
[INFO] [stderr] 119 | /             match fs::write(&output_filename, rendered) {
[INFO] [stderr] 120 | |                 Err(_) => {
[INFO] [stderr] 121 | |                     return Err(BlogError::WriteError(output_filename));
[INFO] [stderr] 122 | |                 },
[INFO] [stderr] 123 | |                 _ => ()
[INFO] [stderr] 124 | |             };
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 119 |             if let Err(_) = fs::write(&output_filename, rendered) {
[INFO] [stderr] 120 |     return Err(BlogError::WriteError(output_filename));
[INFO] [stderr] 121 | };
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/toc.rs:297:9
[INFO] [stderr]     |
[INFO] [stderr] 297 | /         match self.validate_templates() { 
[INFO] [stderr] 298 | |             Err(e) => {
[INFO] [stderr] 299 | |                 return Err(BlogError::InitTemplate(e));
[INFO] [stderr] 300 | |             }, 
[INFO] [stderr] 301 | |             _ => ()
[INFO] [stderr] 302 | |         };
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 297 |         if let Err(e) = self.validate_templates() {
[INFO] [stderr] 298 |     return Err(BlogError::InitTemplate(e));
[INFO] [stderr] 299 | };
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/toc.rs:303:9
[INFO] [stderr]     |
[INFO] [stderr] 303 |         match &post { Some(s) => self.install_template(s, PATH_POST)?, _ => () };
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `if let Some(s) = &post { self.install_template(s, PATH_POST)? }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/toc.rs:304:9
[INFO] [stderr]     |
[INFO] [stderr] 304 |         match &index { Some(s) => self.install_template(s, PATH_INDEX)?, _ => () };
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `if let Some(s) = &index { self.install_template(s, PATH_INDEX)? }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/toc.rs:524:9
[INFO] [stderr]     |
[INFO] [stderr] 524 | /         match fs::create_dir(&temp_dir) {
[INFO] [stderr] 525 | |             Err(_) => {
[INFO] [stderr] 526 | |                 println!("Failed to create dir! Temp_dir: {}", 
[INFO] [stderr] 527 | |                          temp_dir.to_str().unwrap());
[INFO] [stderr] ...   |
[INFO] [stderr] 530 | |             _ => ()
[INFO] [stderr] 531 | |         };
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 524 |         if let Err(_) = fs::create_dir(&temp_dir) {
[INFO] [stderr] 525 |     println!("Failed to create dir! Temp_dir: {}", 
[INFO] [stderr] 526 |              temp_dir.to_str().unwrap());
[INFO] [stderr] 527 |     assert!(false);
[INFO] [stderr] 528 | };
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/toc.rs:662:30
[INFO] [stderr]     |
[INFO] [stderr] 662 |         assert_eq!(rendered, format!("{}", title));
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `title.to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_format)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `as_*` usually take self by reference or self by mutable reference; consider choosing a less ambiguous name
[INFO] [stderr]   --> src/templates.rs:74:16
[INFO] [stderr]    |
[INFO] [stderr] 74 |     fn as_date(h: &Helper, 
[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: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/templates.rs:148:35
[INFO] [stderr]     |
[INFO] [stderr] 148 |         let post_path = path_post.unwrap_or(PATH_POST.to_string());
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| PATH_POST.to_string())`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/templates.rs:149:37
[INFO] [stderr]     |
[INFO] [stderr] 149 |         let index_path = path_index.unwrap_or(PATH_INDEX.to_string());
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| PATH_INDEX.to_string())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.39s
[INFO] running `"docker" "inspect" "cf884b3d4d47c737461bfc4f69d8d92e15058fda09f5a14d423d60bbd7551fff"`
[INFO] running `"docker" "rm" "-f" "cf884b3d4d47c737461bfc4f69d8d92e15058fda09f5a14d423d60bbd7551fff"`
[INFO] [stdout] cf884b3d4d47c737461bfc4f69d8d92e15058fda09f5a14d423d60bbd7551fff