warning: field assignment outside of initializer for an instance created with Default::default()
  --> examples/src/bin/extract_page.rs:77:5
   |
77 |     info.title = Some(PdfString::from("test"));
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
note: consider initializing the variable with `pdf::object::InfoDict { title: Some(PdfString::from("test")), ..Default::default() }` and removing relevant reassignments
  --> examples/src/bin/extract_page.rs:76:5
   |
76 |     let mut info = InfoDict::default();
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#field_reassign_with_default
   = note: `#[warn(clippy::field_reassign_with_default)]` on by default

warning: this expression creates a reference which is immediately dereferenced by the compiler
   --> pdf/src/build.rs:267:36
    |
267 |                 match self.map.get(&r1) {
    |                                    ^^^ help: change this to: `r1`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow

warning: this expression borrows a value the compiler would automatically borrow
   --> pdf/src/object/mod.rs:749:21
    |
749 |         Ok(Box::new((&**self).deep_clone(cloner)?))
    |                     ^^^^^^^^^ help: change this to: `(**self)`
    |
    = 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 `.into_iter()` call is equivalent to `.iter()` and will not consume the `Vec`
   --> pdf/src/object/mod.rs:592:70
    |
592 |             Primitive::Array(ref parts) => Ok(Primitive::Array(parts.into_iter().map(|p| p.deep_clone(cloner)).try_collect()?)),
    |                                                                      ^^^^^^^^^ help: call directly: `iter`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
    = note: `#[warn(clippy::into_iter_on_ref)]` on by default

warning: unused variable: `old`
   --> pdf/src/build.rs:396:22
    |
396 |         if let Some((old, new)) = self.shared.get(&key) {
    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_old`

warning: unused variable: `cloner`
   --> pdf/src/encoding.rs:105:26
    |
105 |     fn deep_clone(&self, cloner: &mut impl pdf::object::Cloner) -> Result<Self> {
    |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cloner`

warning: unused variable: `update`
   --> pdf/src/primitive.rs:267:28
    |
267 |     fn to_primitive(&self, update: &mut impl Updater) -> Result<Primitive> {
    |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_update`

warning: unused variable: `cloner`
   --> pdf/src/object/mod.rs:756:38
    |
756 |                 fn deep_clone(&self, cloner: &mut impl Cloner) -> Result<Self> {
    |                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cloner`
...
763 | deep_clone_simple!(f32, i32, u32, bool, Name, (), Date, PdfString, Rect, u8, Arc<[u8]>, Vec<u16>);
    | ------------------------------------------------------------------------------------------------- in this macro invocation
    |
    = note: this warning originates in the macro `deep_clone_simple` (in Nightly builds, run with -Z macro-backtrace for more info)

warning: unused variable: `cloner`
   --> pdf/src/object/mod.rs:756:38
    |
756 |                 fn deep_clone(&self, cloner: &mut impl Cloner) -> Result<Self> {
    |                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cloner`
...
763 | deep_clone_simple!(f32, i32, u32, bool, Name, (), Date, PdfString, Rect, u8, Arc<[u8]>, Vec<u16>);
    | ------------------------------------------------------------------------------------------------- in this macro invocation
    |
    = note: this warning originates in the macro `deep_clone_simple` (in Nightly builds, run with -Z macro-backtrace for more info)

warning: unused variable: `cloner`
   --> pdf/src/object/mod.rs:756:38
    |
756 |                 fn deep_clone(&self, cloner: &mut impl Cloner) -> Result<Self> {
    |                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cloner`
...
763 | deep_clone_simple!(f32, i32, u32, bool, Name, (), Date, PdfString, Rect, u8, Arc<[u8]>, Vec<u16>);
    | ------------------------------------------------------------------------------------------------- in this macro invocation
    |
    = note: this warning originates in the macro `deep_clone_simple` (in Nightly builds, run with -Z macro-backtrace for more info)

warning: unused variable: `cloner`
   --> pdf/src/object/mod.rs:756:38
    |
756 |                 fn deep_clone(&self, cloner: &mut impl Cloner) -> Result<Self> {
    |                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cloner`
...
763 | deep_clone_simple!(f32, i32, u32, bool, Name, (), Date, PdfString, Rect, u8, Arc<[u8]>, Vec<u16>);
    | ------------------------------------------------------------------------------------------------- in this macro invocation
    |
    = note: this warning originates in the macro `deep_clone_simple` (in Nightly builds, run with -Z macro-backtrace for more info)

warning: unused variable: `cloner`
   --> pdf/src/object/mod.rs:756:38
    |
756 |                 fn deep_clone(&self, cloner: &mut impl Cloner) -> Result<Self> {
    |                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cloner`
...
763 | deep_clone_simple!(f32, i32, u32, bool, Name, (), Date, PdfString, Rect, u8, Arc<[u8]>, Vec<u16>);
    | ------------------------------------------------------------------------------------------------- in this macro invocation
    |
    = note: this warning originates in the macro `deep_clone_simple` (in Nightly builds, run with -Z macro-backtrace for more info)

warning: unused variable: `cloner`
   --> pdf/src/object/mod.rs:756:38
    |
756 |                 fn deep_clone(&self, cloner: &mut impl Cloner) -> Result<Self> {
    |                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cloner`
...
763 | deep_clone_simple!(f32, i32, u32, bool, Name, (), Date, PdfString, Rect, u8, Arc<[u8]>, Vec<u16>);
    | ------------------------------------------------------------------------------------------------- in this macro invocation
    |
    = note: this warning originates in the macro `deep_clone_simple` (in Nightly builds, run with -Z macro-backtrace for more info)

warning: unused variable: `cloner`
   --> pdf/src/object/mod.rs:756:38
    |
756 |                 fn deep_clone(&self, cloner: &mut impl Cloner) -> Result<Self> {
    |                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cloner`
...
763 | deep_clone_simple!(f32, i32, u32, bool, Name, (), Date, PdfString, Rect, u8, Arc<[u8]>, Vec<u16>);
    | ------------------------------------------------------------------------------------------------- in this macro invocation
    |
    = note: this warning originates in the macro `deep_clone_simple` (in Nightly builds, run with -Z macro-backtrace for more info)

warning: unused variable: `cloner`
   --> pdf/src/object/mod.rs:756:38
    |
756 |                 fn deep_clone(&self, cloner: &mut impl Cloner) -> Result<Self> {
    |                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cloner`
...
763 | deep_clone_simple!(f32, i32, u32, bool, Name, (), Date, PdfString, Rect, u8, Arc<[u8]>, Vec<u16>);
    | ------------------------------------------------------------------------------------------------- in this macro invocation
    |
    = note: this warning originates in the macro `deep_clone_simple` (in Nightly builds, run with -Z macro-backtrace for more info)

warning: unused variable: `cloner`
   --> pdf/src/object/mod.rs:756:38
    |
756 |                 fn deep_clone(&self, cloner: &mut impl Cloner) -> Result<Self> {
    |                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cloner`
...
763 | deep_clone_simple!(f32, i32, u32, bool, Name, (), Date, PdfString, Rect, u8, Arc<[u8]>, Vec<u16>);
    | ------------------------------------------------------------------------------------------------- in this macro invocation
    |
    = note: this warning originates in the macro `deep_clone_simple` (in Nightly builds, run with -Z macro-backtrace for more info)

warning: unused variable: `cloner`
   --> pdf/src/object/mod.rs:756:38
    |
756 |                 fn deep_clone(&self, cloner: &mut impl Cloner) -> Result<Self> {
    |                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cloner`
...
763 | deep_clone_simple!(f32, i32, u32, bool, Name, (), Date, PdfString, Rect, u8, Arc<[u8]>, Vec<u16>);
    | ------------------------------------------------------------------------------------------------- in this macro invocation
    |
    = note: this warning originates in the macro `deep_clone_simple` (in Nightly builds, run with -Z macro-backtrace for more info)

warning: unused variable: `cloner`
   --> pdf/src/object/mod.rs:756:38
    |
756 |                 fn deep_clone(&self, cloner: &mut impl Cloner) -> Result<Self> {
    |                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cloner`
...
763 | deep_clone_simple!(f32, i32, u32, bool, Name, (), Date, PdfString, Rect, u8, Arc<[u8]>, Vec<u16>);
    | ------------------------------------------------------------------------------------------------- in this macro invocation
    |
    = note: this warning originates in the macro `deep_clone_simple` (in Nightly builds, run with -Z macro-backtrace for more info)

warning: unused variable: `cloner`
   --> pdf/src/object/mod.rs:756:38
    |
756 |                 fn deep_clone(&self, cloner: &mut impl Cloner) -> Result<Self> {
    |                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cloner`
...
763 | deep_clone_simple!(f32, i32, u32, bool, Name, (), Date, PdfString, Rect, u8, Arc<[u8]>, Vec<u16>);
    | ------------------------------------------------------------------------------------------------- in this macro invocation
    |
    = note: this warning originates in the macro `deep_clone_simple` (in Nightly builds, run with -Z macro-backtrace for more info)

warning: unused variable: `range`
  --> pdf/src/object/mod.rs:85:41
   |
85 |     fn stream_data(&self, id: PlainRef, range: Range<usize>) -> Result<Arc<[u8]>> {
   |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_range`

warning: unused variable: `id`
  --> pdf/src/object/mod.rs:85:27
   |
85 |     fn stream_data(&self, id: PlainRef, range: Range<usize>) -> Result<Arc<[u8]>> {
   |                           ^^ help: if this is intentional, prefix it with an underscore: `_id`

warning: unused variable: `cloner`
   --> pdf/src/object/function.rs:208:26
    |
208 |     fn deep_clone(&self, cloner: &mut impl Cloner) -> Result<Self> {
    |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cloner`

warning: unused variable: `update`
   --> pdf/src/object/function.rs:182:28
    |
182 |     fn to_primitive(&self, update: &mut impl Updater) -> Result<Primitive> {
    |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_update`
    |
    = note: `#[warn(unused_variables)]` on by default

warning: variable does not need to be mutable
   --> pdf_derive/src/lib.rs:755:25
    |
755 |     let (impl_generics, mut ty_generics, where_clause) = generics.split_for_impl();
    |                         ----^^^^^^^^^^^
    |                         |
    |                         help: remove this `mut`
    |
    = note: `#[warn(unused_mut)]` on by default

warning: unused variable: `f`
   --> pdf_derive/src/lib.rs:457:85
    |
457 |                 let labels: Vec<Ident> = fields.unnamed.iter().enumerate().map(|(i, f)| {
    |                                                                                     ^ help: if this is intentional, prefix it with an underscore: `_f`