warning: useless conversion to the same type: `std::string::String`
  --> src/slugify.rs:38:9
   |
38 | /         match *i {
39 | |             0 => anchor,
40 | |             i => format!("{}-{}", anchor, i),
41 | |         }
42 | |         .into()
   | |_______________^
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
help: consider removing `.into()`
   |
38 ~         match *i {
39 +             0 => anchor,
40 +             i => format!("{}-{}", anchor, i),
41 +         }
   |

warning: this function has too many arguments (8/7)
   --> src/post.rs:140:5
    |
140 | /     pub fn new(
141 | |         front_matter: FrontMatter,
142 | |         excerpt: Option<String>,
143 | |         content: String,
...   |
148 | |         ancestor_directories_names: Vec<String>,
149 | |     ) -> Self {
    | |_____________^
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#too_many_arguments
    = note: `#[warn(clippy::too_many_arguments)]` on by default

warning: useless conversion to the same type: `std::option::Option<pulldown_cmark::CowStr<'_>>`
   --> src/markdown.rs:103:29
    |
103 |                         id: id.clone().or(Some(slug.clone().into())).into(),
    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `id.clone().or(Some(slug.clone().into()))`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
    = note: `#[warn(clippy::useless_conversion)]` on by default

warning: comparison to empty slice
   --> src/content.rs:241:20
    |
241 |                 if dir_index != "" {
    |                    ^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!dir_index.is_empty()`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#comparison_to_empty
    = note: `#[warn(clippy::comparison_to_empty)]` on by default

warning: the following explicit lifetimes could be elided: 'a
   --> src/content.rs:214:27
    |
214 | pub fn get_posts_per_tags<'a>(posts: &'a [Post]) -> HashMap<String, Vec<&'a Post>> {
    |                           ^^          ^^                                 ^^
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
    = note: `#[warn(clippy::needless_lifetimes)]` on by default
help: elide the lifetimes
    |
214 - pub fn get_posts_per_tags<'a>(posts: &'a [Post]) -> HashMap<String, Vec<&'a Post>> {
214 + pub fn get_posts_per_tags(posts: &[Post]) -> HashMap<String, Vec<&Post>> {
    |

warning: unnecessary use of `to_string`
   --> src/content.rs:205:21
    |
205 |             slugify(tag.to_string())
    |                     ^^^^^^^^^^^^^^^ help: use: `tag`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_to_owned
    = note: `#[warn(clippy::unnecessary_to_owned)]` on by default

warning: this expression creates a reference which is immediately dereferenced by the compiler
   --> src/content.rs:142:13
    |
142 |             &post,
    |             ^^^^^ help: change this to: `post`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow

warning: this expression creates a reference which is immediately dereferenced by the compiler
  --> src/content.rs:73:9
   |
73 |         &site.settings.website_title.as_str(),
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `site.settings.website_title.as_str()`
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow

warning: this expression creates a reference which is immediately dereferenced by the compiler
  --> src/content.rs:72:9
   |
72 |         &site.settings.author.as_str(),
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `site.settings.author.as_str()`
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow

warning: this expression creates a reference which is immediately dereferenced by the compiler
  --> src/content.rs:71:9
   |
71 |         &site.settings.base_url.as_str(),
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `site.settings.base_url.as_str()`
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow

warning: this expression creates a reference which is immediately dereferenced by the compiler
  --> src/content.rs:65:9
   |
65 |         &site.settings.base_url.as_str(),
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `site.settings.base_url.as_str()`
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
   = note: `#[warn(clippy::needless_borrow)]` on by default

warning: this `else { if .. }` block can be collapsed
  --> src/markdown.rs:59:24
   |
59 |                   } else {
   |  ________________________^
60 | |                     if let Some(ref mut code_block) = code_block {
61 | |                         let html = code_block.highlight(&text);
62 | |                         events.push(Event::Html(html.into()));
...  |
66 | |                     }
67 | |                 }
   | |_________________^
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_else_if
   = note: `#[warn(clippy::collapsible_else_if)]` on by default
help: collapse nested if block
   |
59 ~                 } else if let Some(ref mut code_block) = code_block {
60 +                     let html = code_block.highlight(&text);
61 +                     events.push(Event::Html(html.into()));
62 +                 } else {
63 +                     events.push(Event::Text(text));
64 +                     continue;
65 +                 }
   |

warning: this `if` statement can be collapsed
   --> src/content.rs:241:17
    |
241 | /                 if dir_index != "" {
242 | |                     if site
243 | |                         .settings
244 | |                         .create_index_for
...   |
250 | |                     }
251 | |                 }
    | |_________________^
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
    = note: `#[warn(clippy::collapsible_if)]` on by default
help: collapse nested if block
    |
241 ~                 if dir_index != "" && site
242 +                         .settings
243 +                         .create_index_for
244 +                         .contains(&dir_index.to_string()) {
245 +                     let key = dir_index.to_string();
246 +                     let posts = indexes_to_create.entry(key).or_default();
247 +                     posts.push(post);
248 +                 }
    |