[INFO] cloning repository https://github.com/ryderjenkins/resvg
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ryderjenkins/resvg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryderjenkins%2Fresvg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryderjenkins%2Fresvg'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 43a740dcd9bc9e4b32bd5801a5c77552bdb1433b
[INFO] checking ryderjenkins/resvg against master#eeb94be79adc9df7a09ad0b2421f16e60e6d932c for pr-152971
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryderjenkins%2Fresvg" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ryderjenkins/resvg
[INFO] finished tweaking git repo https://github.com/ryderjenkins/resvg
[INFO] tweaked toml for git repo https://github.com/ryderjenkins/resvg written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ryderjenkins/resvg on toolchain eeb94be79adc9df7a09ad0b2421f16e60e6d932c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eeb94be79adc9df7a09ad0b2421f16e60e6d932c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ryderjenkins/resvg 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" "+eeb94be79adc9df7a09ad0b2421f16e60e6d932c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rgb v0.8.36
[INFO] [stderr]   Downloaded strict-num v0.1.0
[INFO] [stderr]   Downloaded imagesize v0.11.0
[INFO] [stderr]   Downloaded tiny-skia-path v0.8.3
[INFO] [stderr]   Downloaded fontdb v0.13.0
[INFO] [stderr]   Downloaded kurbo v0.9.1
[INFO] [stderr]   Downloaded ttf-parser v0.18.1
[INFO] [stderr]   Downloaded tiny-skia v0.8.3
[INFO] [stderr]   Downloaded rustybuzz v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+eeb94be79adc9df7a09ad0b2421f16e60e6d932c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d3c673088b018a17134f58f69933e7585f44ea9c8e17263328f1d874a60fb78
[INFO] running `Command { std: "docker" "start" "-a" "8d3c673088b018a17134f58f69933e7585f44ea9c8e17263328f1d874a60fb78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d3c673088b018a17134f58f69933e7585f44ea9c8e17263328f1d874a60fb78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d3c673088b018a17134f58f69933e7585f44ea9c8e17263328f1d874a60fb78", kill_on_drop: false }`
[INFO] [stdout] 8d3c673088b018a17134f58f69933e7585f44ea9c8e17263328f1d874a60fb78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+eeb94be79adc9df7a09ad0b2421f16e60e6d932c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66a93892e9f96c5dd9b8db4569a0c11c3c1b2e84adc2ed281c85ce198bb5a9f8
[INFO] running `Command { std: "docker" "start" "-a" "66a93892e9f96c5dd9b8db4569a0c11c3c1b2e84adc2ed281c85ce198bb5a9f8", kill_on_drop: false }`
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking siphasher v0.3.10
[INFO] [stderr]     Checking xmlparser v0.13.5
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]     Checking rctree v0.5.0
[INFO] [stderr]    Compiling unicode-general-category v0.6.0
[INFO] [stderr]     Checking ttf-parser v0.18.1
[INFO] [stderr]     Checking unicode-script v0.5.5
[INFO] [stderr]     Checking unicode-bidi-mirroring v0.1.0
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling slotmap v1.0.6
[INFO] [stderr]     Checking data-url v0.2.0
[INFO] [stderr]     Checking simplecss v0.2.1
[INFO] [stderr]     Checking imagesize v0.11.0
[INFO] [stderr]     Checking unicode-ccc v0.1.2
[INFO] [stderr]     Checking kurbo v0.9.1
[INFO] [stderr]     Checking strict-num v0.1.0
[INFO] [stderr]     Checking unicode-vo v0.1.0
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking xmlwriter v0.1.0
[INFO] [stderr]     Checking pico-args v0.5.0
[INFO] [stderr]     Checking base64 v0.21.0
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]     Checking weezl v0.1.7
[INFO] [stderr]     Checking rgb v0.8.36
[INFO] [stderr]     Checking jpeg-decoder v0.3.0
[INFO] [stderr]     Checking roxmltree v0.18.0
[INFO] [stderr]     Checking tiny-skia-path v0.8.3
[INFO] [stderr]     Checking flate2 v1.0.25
[INFO] [stderr]     Checking svgfilters v0.4.0 (/opt/rustwide/workdir/svgfilters)
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]     Checking fontconfig-parser v0.5.2
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> svgfilters/src/iir_blur.rs:65:25
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let data = src.data.as_mut_slice();
[INFO] [stdout]    |                         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `as_mut_slice(...)` to keep using the current method
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] help: add `#![feature(str_as_str)]` to the crate attributes to enable `core::slice::<impl [T]>::as_mut_slice`
[INFO] [stdout]   --> svgfilters/src/lib.rs:56:1
[INFO] [stdout]    |
[INFO] [stdout] 56 + #![feature(str_as_str)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking gif v0.12.0
[INFO] [stderr]     Checking png v0.17.7
[INFO] [stderr]     Checking svgtypes v0.11.0
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> svgfilters/src/iir_blur.rs:65:25
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let data = src.data.as_mut_slice();
[INFO] [stdout]    |                         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `as_mut_slice(...)` to keep using the current method
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] help: add `#![feature(str_as_str)]` to the crate attributes to enable `core::slice::<impl [T]>::as_mut_slice`
[INFO] [stdout]   --> svgfilters/src/lib.rs:56:1
[INFO] [stdout]    |
[INFO] [stdout] 56 + #![feature(str_as_str)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `fuzzy_ne` is never used
[INFO] [stdout]    --> svgfilters/src/lib.rs:278:8
[INFO] [stdout]     |
[INFO] [stdout] 274 | trait FuzzyEq<Rhs: ?Sized = Self> {
[INFO] [stdout]     |       ------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 278 |     fn fuzzy_ne(&self, other: &Rhs) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `fuzzy_ne` is never used
[INFO] [stdout]    --> svgfilters/src/lib.rs:278:8
[INFO] [stdout]     |
[INFO] [stdout] 274 | trait FuzzyEq<Rhs: ?Sized = Self> {
[INFO] [stdout]     |       ------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 278 |     fn fuzzy_ne(&self, other: &Rhs) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking usvg-tree v0.31.0 (/opt/rustwide/workdir/usvg-tree)
[INFO] [stderr]     Checking rosvgtree v0.2.0 (/opt/rustwide/workdir/rosvgtree)
[INFO] [stderr]     Checking rustybuzz v0.7.0
[INFO] [stderr]     Checking fontdb v0.13.0
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> usvg-tree/src/lib.rs:1227:11
[INFO] [stdout]      |
[INFO] [stdout] 1227 |     fn id(&self) -> std::cell::Ref<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]      = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1227 |     fn id(&self) -> std::cell::Ref<'_, str>;
[INFO] [stdout]      |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> usvg-tree/src/lib.rs:1284:11
[INFO] [stdout]      |
[INFO] [stdout] 1284 |     fn id(&self) -> std::cell::Ref<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] 1284 |     fn id(&self) -> std::cell::Ref<'_, str> {
[INFO] [stdout]      |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> usvg-tree/src/pathdata.rs:282:21
[INFO] [stdout]     |
[INFO] [stdout] 282 |     pub fn segments(&self) -> PathSegmentsIter {
[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] 282 |     pub fn segments(&self) -> PathSegmentsIter<'_> {
[INFO] [stdout]     |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> rosvgtree/src/names.rs:637:24
[INFO] [stdout]     |
[INFO] [stdout] 637 |         let b = entry.0.borrow();
[INFO] [stdout]     |                        ^^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Borrow`, so calling `borrow` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> rosvgtree/src/names.rs:637:24
[INFO] [stdout]     |
[INFO] [stdout] 637 |         let b = entry.0.borrow();
[INFO] [stdout]     |                        ^^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Borrow`, so calling `borrow` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> usvg-tree/src/lib.rs:1227:11
[INFO] [stdout]      |
[INFO] [stdout] 1227 |     fn id(&self) -> std::cell::Ref<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]      = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1227 |     fn id(&self) -> std::cell::Ref<'_, str>;
[INFO] [stdout]      |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> usvg-tree/src/lib.rs:1284:11
[INFO] [stdout]      |
[INFO] [stdout] 1284 |     fn id(&self) -> std::cell::Ref<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] 1284 |     fn id(&self) -> std::cell::Ref<'_, str> {
[INFO] [stdout]      |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> usvg-tree/src/pathdata.rs:282:21
[INFO] [stdout]     |
[INFO] [stdout] 282 |     pub fn segments(&self) -> PathSegmentsIter {
[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] 282 |     pub fn segments(&self) -> PathSegmentsIter<'_> {
[INFO] [stdout]     |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking usvg-parser v0.31.0 (/opt/rustwide/workdir/usvg-parser)
[INFO] [stderr]     Checking tiny-skia v0.8.3
[INFO] [stderr]     Checking usvg-text-layout v0.31.0 (/opt/rustwide/workdir/usvg-text-layout)
[INFO] [stderr]     Checking usvg v0.31.0 (/opt/rustwide/workdir/usvg)
[INFO] [stderr]     Checking resvg v0.31.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/filter.rs:28:61
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn into_svgfilters_image_mut(width: u32, height: u32, data: &mut [u8]) -> svgfilters::ImageRefMut {
[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] 28 | fn into_svgfilters_image_mut(width: u32, height: u32, data: &mut [u8]) -> svgfilters::ImageRefMut<'_> {
[INFO] [stdout]    |                                                                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/paint_server.rs:287:13
[INFO] [stdout]     |
[INFO] [stdout] 287 |     pixmap: &tiny_skia::Pixmap,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 290 | ) -> tiny_skia::Shader {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 290 | ) -> tiny_skia::Shader<'_> {
[INFO] [stdout]     |                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking resvg-capi v0.31.0 (/opt/rustwide/workdir/c-api)
[INFO] [stdout] warning: unexpected `cfg` condition value: `dump-svg`
[INFO] [stdout]   --> examples/custom_rtree.rs:54:11
[INFO] [stdout]    |
[INFO] [stdout] 54 |     #[cfg(feature = "dump-svg")]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`, `filter`, `gif`, `jpeg-decoder`, `memmap-fonts`, `png`, `raster-images`, `svgfilters`, `system-fonts`, and `text`
[INFO] [stdout]    = help: consider adding `dump-svg` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> c-api/lib.rs:562:9
[INFO] [stdout]     |
[INFO] [stdout] 562 |         Box::from_raw(opt)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[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] 562 |         let _ = Box::from_raw(opt);
[INFO] [stdout]     |         +++++++                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> c-api/lib.rs:887:9
[INFO] [stdout]     |
[INFO] [stdout] 887 |         Box::from_raw(tree)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 887 |         let _ = Box::from_raw(tree);
[INFO] [stdout]     |         +++++++                    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/filter.rs:28:61
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn into_svgfilters_image_mut(width: u32, height: u32, data: &mut [u8]) -> svgfilters::ImageRefMut {
[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] 28 | fn into_svgfilters_image_mut(width: u32, height: u32, data: &mut [u8]) -> svgfilters::ImageRefMut<'_> {
[INFO] [stdout]    |                                                                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/paint_server.rs:287:13
[INFO] [stdout]     |
[INFO] [stdout] 287 |     pixmap: &tiny_skia::Pixmap,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 290 | ) -> tiny_skia::Shader {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 290 | ) -> tiny_skia::Shader<'_> {
[INFO] [stdout]     |                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> c-api/lib.rs:562:9
[INFO] [stdout]     |
[INFO] [stdout] 562 |         Box::from_raw(opt)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[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] 562 |         let _ = Box::from_raw(opt);
[INFO] [stdout]     |         +++++++                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> c-api/lib.rs:887:9
[INFO] [stdout]     |
[INFO] [stdout] 887 |         Box::from_raw(tree)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 887 |         let _ = Box::from_raw(tree);
[INFO] [stdout]     |         +++++++                    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.32s
[INFO] running `Command { std: "docker" "inspect" "66a93892e9f96c5dd9b8db4569a0c11c3c1b2e84adc2ed281c85ce198bb5a9f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66a93892e9f96c5dd9b8db4569a0c11c3c1b2e84adc2ed281c85ce198bb5a9f8", kill_on_drop: false }`
[INFO] [stdout] 66a93892e9f96c5dd9b8db4569a0c11c3c1b2e84adc2ed281c85ce198bb5a9f8
