[INFO] fetching crate acroform-pdf 0.0.16...
[INFO] checking acroform-pdf-0.0.16 against master#035b01b794602d5861daa43ac792f372f8981ed7 for 152214-denied-retry-0
[INFO] extracting crate acroform-pdf 0.0.16 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate acroform-pdf 0.0.16
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate acroform-pdf 0.0.16
[INFO] tweaked toml for crates.io crate acroform-pdf 0.0.16 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate acroform-pdf 0.0.16 on toolchain 035b01b794602d5861daa43ac792f372f8981ed7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+035b01b794602d5861daa43ac792f372f8981ed7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate acroform-pdf 0.0.16 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+035b01b794602d5861daa43ac792f372f8981ed7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dary_heap v0.3.8
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[INFO] [stderr]   Downloaded block-padding v0.3.3
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[INFO] [stderr]   Downloaded acroform-pdf-derive v0.0.16
[INFO] [stderr]   Downloaded rle-decode-fast v1.0.3
[INFO] [stderr]   Downloaded cbc v0.1.2
[INFO] [stderr]   Downloaded deflate v1.0.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+035b01b794602d5861daa43ac792f372f8981ed7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a90902bbe72f753fef289b53c226e5b2c6fd6349c4244e2186c213da11a8e64
[INFO] running `Command { std: "docker" "start" "-a" "0a90902bbe72f753fef289b53c226e5b2c6fd6349c4244e2186c213da11a8e64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a90902bbe72f753fef289b53c226e5b2c6fd6349c4244e2186c213da11a8e64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a90902bbe72f753fef289b53c226e5b2c6fd6349c4244e2186c213da11a8e64", kill_on_drop: false }`
[INFO] [stdout] 0a90902bbe72f753fef289b53c226e5b2c6fd6349c4244e2186c213da11a8e64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+035b01b794602d5861daa43ac792f372f8981ed7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b9d75e8484338a707eae24e387552b8365e50ff548d0c0b77c46c87df383373
[INFO] running `Command { std: "docker" "start" "-a" "4b9d75e8484338a707eae24e387552b8365e50ff548d0c0b77c46c87df383373", kill_on_drop: false }`
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[INFO] [stderr]    Compiling unicode-ident v1.0.19
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[INFO] [stderr]    Compiling ahash v0.8.12
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[INFO] [stderr]    Compiling serde v1.0.228
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[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling fax_derive v0.2.0
[INFO] [stderr]    Compiling snafu-derive v0.8.9
[INFO] [stderr]    Compiling acroform-pdf-derive v0.0.16
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[INFO] [stderr]     Checking datasize v0.2.15
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[INFO] [stderr]     Checking acroform-pdf v0.0.16 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `snafu::ErrorCompat`
[INFO] [stdout]  --> src/error.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use snafu::ErrorCompat;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Object`
[INFO] [stdout]  --> src/any.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::object::{Object};
[INFO] [stdout]   |                     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `snafu::ErrorCompat`
[INFO] [stdout]  --> src/error.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use snafu::ErrorCompat;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Object`
[INFO] [stdout]  --> src/any.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::object::{Object};
[INFO] [stdout]   |                     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `aes::cipher::generic_array::sequence::Split`: please upgrade to generic-array 1.x
[INFO] [stdout]  --> src/crypt.rs:4:44
[INFO] [stdout]   |
[INFO] [stdout] 4 | use aes::cipher::generic_array::{sequence::Split, GenericArray};
[INFO] [stdout]   |                                            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `aes::cipher::generic_array::GenericArray`: please upgrade to generic-array 1.x
[INFO] [stdout]  --> src/crypt.rs:4:51
[INFO] [stdout]   |
[INFO] [stdout] 4 | use aes::cipher::generic_array::{sequence::Split, GenericArray};
[INFO] [stdout]   |                                                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `aes::cipher::generic_array::GenericArray`: please upgrade to generic-array 1.x
[INFO] [stdout]    --> src/crypt.rs:465:27
[INFO] [stdout]     |
[INFO] [stdout] 465 |             let zero_iv = GenericArray::from_slice(&[0u8; 16]);
[INFO] [stdout]     |                           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `aes::cipher::generic_array::sequence::Split`: please upgrade to generic-array 1.x
[INFO] [stdout]  --> src/crypt.rs:4:44
[INFO] [stdout]   |
[INFO] [stdout] 4 | use aes::cipher::generic_array::{sequence::Split, GenericArray};
[INFO] [stdout]   |                                            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `aes::cipher::generic_array::GenericArray`: please upgrade to generic-array 1.x
[INFO] [stdout]  --> src/crypt.rs:4:51
[INFO] [stdout]   |
[INFO] [stdout] 4 | use aes::cipher::generic_array::{sequence::Split, GenericArray};
[INFO] [stdout]   |                                                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `aes::cipher::generic_array::GenericArray`: please upgrade to generic-array 1.x
[INFO] [stdout]    --> src/crypt.rs:465:27
[INFO] [stdout]     |
[INFO] [stdout] 465 |             let zero_iv = GenericArray::from_slice(&[0u8; 16]);
[INFO] [stdout]     |                           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `indexmap::IndexMap::<K, V, S>::remove`: `remove` disrupts the map order -- use `swap_remove` or `shift_remove` for explicit behavior.
[INFO] [stdout]    --> src/primitive.rs:139:19
[INFO] [stdout]     |
[INFO] [stdout] 139 |         self.dict.remove(key)
[INFO] [stdout]     |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `indexmap::IndexMap::<K, V, S>::remove`: `remove` disrupts the map order -- use `swap_remove` or `shift_remove` for explicit behavior.
[INFO] [stdout]    --> src/primitive.rs:139:19
[INFO] [stdout]     |
[INFO] [stdout] 139 |         self.dict.remove(key)
[INFO] [stdout]     |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `itertools::Itertools::group_by`: Use .chunk_by() instead
[INFO] [stdout]    --> src/font.rs:655:36
[INFO] [stdout]     |
[INFO] [stdout] 655 |     for (single, group) in &blocks.group_by(|b| b.len() == 1) {
[INFO] [stdout]     |                                    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `aes::cipher::generic_array::GenericArray::<T, N>::as_slice`: please upgrade to generic-array 1.x
[INFO] [stdout]    --> src/crypt.rs:442:39
[INFO] [stdout]     |
[INFO] [stdout] 442 |                 if user_hash_computed.as_slice() == user_hash {
[INFO] [stdout]     |                                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `aes::cipher::generic_array::GenericArray::<T, N>::as_slice`: please upgrade to generic-array 1.x
[INFO] [stdout]    --> src/crypt.rs:453:44
[INFO] [stdout]     |
[INFO] [stdout] 453 |                     if owner_hash_computed.as_slice() == owner_hash {
[INFO] [stdout]     |                                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `aes::cipher::generic_array::GenericArray::<T, N>::from_slice`: please upgrade to generic-array 1.x
[INFO] [stdout]    --> src/crypt.rs:465:41
[INFO] [stdout]     |
[INFO] [stdout] 465 |             let zero_iv = GenericArray::from_slice(&[0u8; 16]);
[INFO] [stdout]     |                                         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `aes::cipher::generic_array::sequence::Split::split`: please upgrade to generic-array 1.x
[INFO] [stdout]    --> src/crypt.rs:490:39
[INFO] [stdout]     |
[INFO] [stdout] 490 |         let (mut key, mut iv) = input.split();
[INFO] [stdout]     |                                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `itertools::Itertools::group_by`: Use .chunk_by() instead
[INFO] [stdout]    --> src/font.rs:655:36
[INFO] [stdout]     |
[INFO] [stdout] 655 |     for (single, group) in &blocks.group_by(|b| b.len() == 1) {
[INFO] [stdout]     |                                    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `aes::cipher::generic_array::GenericArray::<T, N>::as_slice`: please upgrade to generic-array 1.x
[INFO] [stdout]    --> src/crypt.rs:442:39
[INFO] [stdout]     |
[INFO] [stdout] 442 |                 if user_hash_computed.as_slice() == user_hash {
[INFO] [stdout]     |                                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `aes::cipher::generic_array::GenericArray::<T, N>::as_slice`: please upgrade to generic-array 1.x
[INFO] [stdout]    --> src/crypt.rs:453:44
[INFO] [stdout]     |
[INFO] [stdout] 453 |                     if owner_hash_computed.as_slice() == owner_hash {
[INFO] [stdout]     |                                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `aes::cipher::generic_array::GenericArray::<T, N>::from_slice`: please upgrade to generic-array 1.x
[INFO] [stdout]    --> src/crypt.rs:465:41
[INFO] [stdout]     |
[INFO] [stdout] 465 |             let zero_iv = GenericArray::from_slice(&[0u8; 16]);
[INFO] [stdout]     |                                         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `aes::cipher::generic_array::sequence::Split::split`: please upgrade to generic-array 1.x
[INFO] [stdout]    --> src/crypt.rs:490:39
[INFO] [stdout]     |
[INFO] [stdout] 490 |         let (mut key, mut iv) = input.split();
[INFO] [stdout]     |                                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `update`
[INFO] [stdout]    --> src/object/function.rs:182:28
[INFO] [stdout]     |
[INFO] [stdout] 182 |     fn to_primitive(&self, update: &mut impl Updater) -> Result<Primitive> {
[INFO] [stdout]     |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_update`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cloner`
[INFO] [stdout]    --> src/object/function.rs:208:26
[INFO] [stdout]     |
[INFO] [stdout] 208 |     fn deep_clone(&self, cloner: &mut impl Cloner) -> Result<Self> {
[INFO] [stdout]     |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cloner`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/object/mod.rs:86:27
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn stream_data(&self, id: PlainRef, range: Range<usize>) -> Result<Arc<[u8]>> {
[INFO] [stdout]    |                           ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `range`
[INFO] [stdout]   --> src/object/mod.rs:86:41
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn stream_data(&self, id: PlainRef, range: Range<usize>) -> Result<Arc<[u8]>> {
[INFO] [stdout]    |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_range`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `update`
[INFO] [stdout]    --> src/object/mod.rs:485:28
[INFO] [stdout]     |
[INFO] [stdout] 485 |     fn to_primitive(&self, update: &mut impl Updater) -> Result<Primitive> {
[INFO] [stdout]     |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_update`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cloner`
[INFO] [stdout]    --> src/object/mod.rs:841:38
[INFO] [stdout]     |
[INFO] [stdout] 841 |                 fn deep_clone(&self, cloner: &mut impl Cloner) -> Result<Self> {
[INFO] [stdout]     |                                      ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 848 | deep_clone_simple!(f32, i32, u32, bool, Name, (), Date, PdfString, Rectangle, u8, Arc<[u8]>, Vec<u16>);
[INFO] [stdout]     | ------------------------------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] help: `cloner` is captured in macro and introduced a unused variable
[INFO] [stdout]    --> src/object/mod.rs:841:38
[INFO] [stdout]     |
[INFO] [stdout] 841 |                 fn deep_clone(&self, cloner: &mut impl Cloner) -> Result<Self> {
[INFO] [stdout]     |                                      ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 848 | deep_clone_simple!(f32, i32, u32, bool, Name, (), Date, PdfString, Rectangle, u8, Arc<[u8]>, Vec<u16>);
[INFO] [stdout]     | ------------------------------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]     = note: this warning originates in the macro `deep_clone_simple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `update`
[INFO] [stdout]    --> src/primitive.rs:270:28
[INFO] [stdout]     |
[INFO] [stdout] 270 |     fn to_primitive(&self, update: &mut impl Updater) -> Result<Primitive> {
[INFO] [stdout]     |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_update`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `update`
[INFO] [stdout]    --> src/object/function.rs:182:28
[INFO] [stdout]     |
[INFO] [stdout] 182 |     fn to_primitive(&self, update: &mut impl Updater) -> Result<Primitive> {
[INFO] [stdout]     |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_update`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cloner`
[INFO] [stdout]    --> src/object/function.rs:208:26
[INFO] [stdout]     |
[INFO] [stdout] 208 |     fn deep_clone(&self, cloner: &mut impl Cloner) -> Result<Self> {
[INFO] [stdout]     |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cloner`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/object/mod.rs:86:27
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn stream_data(&self, id: PlainRef, range: Range<usize>) -> Result<Arc<[u8]>> {
[INFO] [stdout]    |                           ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `range`
[INFO] [stdout]   --> src/object/mod.rs:86:41
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn stream_data(&self, id: PlainRef, range: Range<usize>) -> Result<Arc<[u8]>> {
[INFO] [stdout]    |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_range`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `update`
[INFO] [stdout]    --> src/object/mod.rs:485:28
[INFO] [stdout]     |
[INFO] [stdout] 485 |     fn to_primitive(&self, update: &mut impl Updater) -> Result<Primitive> {
[INFO] [stdout]     |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_update`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cloner`
[INFO] [stdout]    --> src/object/mod.rs:841:38
[INFO] [stdout]     |
[INFO] [stdout] 841 |                 fn deep_clone(&self, cloner: &mut impl Cloner) -> Result<Self> {
[INFO] [stdout]     |                                      ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 848 | deep_clone_simple!(f32, i32, u32, bool, Name, (), Date, PdfString, Rectangle, u8, Arc<[u8]>, Vec<u16>);
[INFO] [stdout]     | ------------------------------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] help: `cloner` is captured in macro and introduced a unused variable
[INFO] [stdout]    --> src/object/mod.rs:841:38
[INFO] [stdout]     |
[INFO] [stdout] 841 |                 fn deep_clone(&self, cloner: &mut impl Cloner) -> Result<Self> {
[INFO] [stdout]     |                                      ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 848 | deep_clone_simple!(f32, i32, u32, bool, Name, (), Date, PdfString, Rectangle, u8, Arc<[u8]>, Vec<u16>);
[INFO] [stdout]     | ------------------------------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]     = note: this warning originates in the macro `deep_clone_simple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `update`
[INFO] [stdout]    --> src/primitive.rs:270:28
[INFO] [stdout]     |
[INFO] [stdout] 270 |     fn to_primitive(&self, update: &mut impl Updater) -> Result<Primitive> {
[INFO] [stdout]     |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_update`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cloner`
[INFO] [stdout]    --> src/encoding.rs:105:26
[INFO] [stdout]     |
[INFO] [stdout] 105 |     fn deep_clone(&self, cloner: &mut impl pdf::object::Cloner) -> Result<Self> {
[INFO] [stdout]     |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cloner`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `old`
[INFO] [stdout]    --> src/build.rs:398:22
[INFO] [stdout]     |
[INFO] [stdout] 398 |         if let Some((old, new)) = self.shared.get(&key) {
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_old`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parser/lexer/mod.rs:268:25
[INFO] [stdout]     |
[INFO] [stdout] 268 |     pub fn seek_newline(&mut self) -> Substr{
[INFO] [stdout]     |                         ^^^^^^^^^     ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 268 |     pub fn seek_newline(&mut self) -> Substr<'_>{
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parser/lexer/mod.rs:340:16
[INFO] [stdout]     |
[INFO] [stdout] 340 |     pub fn ctx(&self) -> Cow<str> {
[INFO] [stdout]     |                ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                |
[INFO] [stdout]     |                the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 340 |     pub fn ctx(&self) -> Cow<'_, str> {
[INFO] [stdout]     |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cloner`
[INFO] [stdout]    --> src/encoding.rs:105:26
[INFO] [stdout]     |
[INFO] [stdout] 105 |     fn deep_clone(&self, cloner: &mut impl pdf::object::Cloner) -> Result<Self> {
[INFO] [stdout]     |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cloner`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `old`
[INFO] [stdout]    --> src/build.rs:398:22
[INFO] [stdout]     |
[INFO] [stdout] 398 |         if let Some((old, new)) = self.shared.get(&key) {
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_old`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `glob::glob`
[INFO] [stdout]  --> tests/integration.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use glob::glob;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/content.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut builder = PdfBuilder::new(FileOptions::cached());
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parser/lexer/mod.rs:268:25
[INFO] [stdout]     |
[INFO] [stdout] 268 |     pub fn seek_newline(&mut self) -> Substr{
[INFO] [stdout]     |                         ^^^^^^^^^     ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 268 |     pub fn seek_newline(&mut self) -> Substr<'_>{
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parser/lexer/mod.rs:340:16
[INFO] [stdout]     |
[INFO] [stdout] 340 |     pub fn ctx(&self) -> Cow<str> {
[INFO] [stdout]     |                ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                |
[INFO] [stdout]     |                the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 340 |     pub fn ctx(&self) -> Cow<'_, str> {
[INFO] [stdout]     |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> examples/names.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 | /         labels.walk(&resolver, &mut |page: i32, label| {
[INFO] [stdout] 126 | |             println!("{page} -> {:?}", label);
[INFO] [stdout] 127 | |         });
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 125 |         let _ = labels.walk(&resolver, &mut |page: i32, label| {
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/metadata.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     dbg!(file.version());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let _ = dbg!(file.version());
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.47s
[INFO] running `Command { std: "docker" "inspect" "4b9d75e8484338a707eae24e387552b8365e50ff548d0c0b77c46c87df383373", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b9d75e8484338a707eae24e387552b8365e50ff548d0c0b77c46c87df383373", kill_on_drop: false }`
[INFO] [stdout] 4b9d75e8484338a707eae24e387552b8365e50ff548d0c0b77c46c87df383373
