[INFO] crate resvg 0.7.0 is already in cache
[INFO] extracting crate resvg 0.7.0 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/resvg/0.7.0
[INFO] extracting crate resvg 0.7.0 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/resvg/0.7.0
[INFO] validating manifest of resvg-0.7.0 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of resvg-0.7.0 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing resvg-0.7.0
[INFO] finished frobbing resvg-0.7.0
[INFO] frobbed toml for resvg-0.7.0 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/resvg/0.7.0/Cargo.toml
[INFO] started frobbing resvg-0.7.0
[INFO] finished frobbing resvg-0.7.0
[INFO] frobbed toml for resvg-0.7.0 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/resvg/0.7.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking resvg-0.7.0 against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-4/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/resvg/0.7.0:/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 44c7f9d46cd3a854c0c7cc74daa45076fd02581cf7165a177299d6c3247016ca
[INFO] running `"docker" "start" "-a" "44c7f9d46cd3a854c0c7cc74daa45076fd02581cf7165a177299d6c3247016ca"`
[INFO] [stderr]     Checking xmlparser v0.9.0
[INFO] [stderr]     Checking unicode-vo v0.1.0
[INFO] [stderr]     Checking unicode-script v0.3.0
[INFO] [stderr]     Checking rctree v0.3.3
[INFO] [stderr]     Checking ttf-parser v0.1.0
[INFO] [stderr]     Checking data-url v0.1.0
[INFO] [stderr]    Compiling harfbuzz-sys v0.3.2
[INFO] [stderr]     Checking svgtypes v0.4.4
[INFO] [stderr]     Checking kurbo v0.2.3
[INFO] [stderr]     Checking freetype v0.4.1
[INFO] [stderr]     Checking roxmltree v0.6.1
[INFO] [stderr]     Checking svgdom v0.17.0
[INFO] [stderr]     Checking harfbuzz_rs v1.0.0
[INFO] [stderr]     Checking usvg v0.7.0
[INFO] [stderr]     Checking resvg v0.7.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:71:21
[INFO] [stderr]    |
[INFO] [stderr] 71 |     ) -> Option<Box<OutputImage>>;
[INFO] [stderr]    |                     ^^^^^^^^^^^ help: use `dyn`: `dyn OutputImage`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:80:21
[INFO] [stderr]    |
[INFO] [stderr] 80 |     ) -> Option<Box<OutputImage>>;
[INFO] [stderr]    |                     ^^^^^^^^^^^ help: use `dyn`: `dyn OutputImage`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:99:33
[INFO] [stderr]    |
[INFO] [stderr] 99 | pub fn default_backend() -> Box<Render> {
[INFO] [stderr]    |                                 ^^^^^^ help: use `dyn`: `dyn Render`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:71:21
[INFO] [stderr]    |
[INFO] [stderr] 71 |     ) -> Option<Box<OutputImage>>;
[INFO] [stderr]    |                     ^^^^^^^^^^^ help: use `dyn`: `dyn OutputImage`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:80:21
[INFO] [stderr]    |
[INFO] [stderr] 80 |     ) -> Option<Box<OutputImage>>;
[INFO] [stderr]    |                     ^^^^^^^^^^^ help: use `dyn`: `dyn OutputImage`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:99:33
[INFO] [stderr]    |
[INFO] [stderr] 99 | pub fn default_backend() -> Box<Render> {
[INFO] [stderr]    |                                 ^^^^^^ help: use `dyn`: `dyn Render`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fit_to`
[INFO] [stderr]   --> src/utils.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | / pub(crate) fn fit_to(
[INFO] [stderr] 15 | |     size: ScreenSize,
[INFO] [stderr] 16 | |     fit: FitTo,
[INFO] [stderr] 17 | | ) -> Option<ScreenSize> {
[INFO] [stderr] ...  |
[INFO] [stderr] 36 | |     }
[INFO] [stderr] 37 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `apply_view_box`
[INFO] [stderr]   --> src/utils.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | / pub(crate) fn apply_view_box(
[INFO] [stderr] 40 | |     vb: &usvg::ViewBox,
[INFO] [stderr] 41 | |     img_size: ScreenSize,
[INFO] [stderr] 42 | | ) -> ScreenSize {
[INFO] [stderr] ...  |
[INFO] [stderr] 53 | |     }
[INFO] [stderr] 54 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Error`
[INFO] [stderr]   --> src/backend_utils/filter.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub enum Error {
[INFO] [stderr]    | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_image`
[INFO] [stderr]   --> src/backend_utils/filter.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn from_image(image: T, color_space: ColorSpace) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `into_color_space`
[INFO] [stderr]   --> src/backend_utils/filter.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 64 |     pub fn into_color_space(self, color_space: ColorSpace) -> Result<Self, Error> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `take`
[INFO] [stderr]   --> src/backend_utils/filter.rs:85:5
[INFO] [stderr]    |
[INFO] [stderr] 85 |     pub fn take(self) -> Result<T, Error> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `width`
[INFO] [stderr]   --> src/backend_utils/filter.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     pub fn width(&self) -> u32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `height`
[INFO] [stderr]   --> src/backend_utils/filter.rs:96:5
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn height(&self) -> u32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `as_ref`
[INFO] [stderr]    --> src/backend_utils/filter.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 |     pub fn as_ref(&self) -> &T {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `FilterResult`
[INFO] [stderr]    --> src/backend_utils/filter.rs:117:1
[INFO] [stderr]     |
[INFO] [stderr] 117 | pub struct FilterResult<T: ImageExt> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `BlurData`
[INFO] [stderr]    --> src/backend_utils/filter.rs:377:5
[INFO] [stderr]     |
[INFO] [stderr] 377 |     struct BlurData {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `apply`
[INFO] [stderr]    --> src/backend_utils/filter.rs:386:5
[INFO] [stderr]     |
[INFO] [stderr] 386 | /     pub fn apply(
[INFO] [stderr] 387 | |         data: &mut [u8],
[INFO] [stderr] 388 | |         width: u32,
[INFO] [stderr] 389 | |         height: u32,
[INFO] [stderr] ...   |
[INFO] [stderr] 413 | |         set_alpha(alpha_channel, data);
[INFO] [stderr] 414 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gaussian_alpha`
[INFO] [stderr]    --> src/backend_utils/filter.rs:416:5
[INFO] [stderr]     |
[INFO] [stderr] 416 | /     fn gaussian_alpha(
[INFO] [stderr] 417 | |         data: &[u8],
[INFO] [stderr] 418 | |         d: &BlurData,
[INFO] [stderr] 419 | |         buf: &mut Vec<f64>,
[INFO] [stderr] ...   |
[INFO] [stderr] 427 | |         buf.to_owned()
[INFO] [stderr] 428 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gaussian_channel`
[INFO] [stderr]    --> src/backend_utils/filter.rs:430:5
[INFO] [stderr]     |
[INFO] [stderr] 430 | /     fn gaussian_channel(
[INFO] [stderr] 431 | |         data: &mut [u8],
[INFO] [stderr] 432 | |         d: &BlurData,
[INFO] [stderr] 433 | |         channel: usize,
[INFO] [stderr] ...   |
[INFO] [stderr] 461 | |         }
[INFO] [stderr] 462 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `set_alpha`
[INFO] [stderr]    --> src/backend_utils/filter.rs:464:5
[INFO] [stderr]     |
[INFO] [stderr] 464 | /     fn set_alpha(
[INFO] [stderr] 465 | |         alpha_channel: &[f64],
[INFO] [stderr] 466 | |         data: &mut [u8],
[INFO] [stderr] 467 | |     ) {
[INFO] [stderr] ...   |
[INFO] [stderr] 478 | |         }
[INFO] [stderr] 479 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gaussianiir2d`
[INFO] [stderr]    --> src/backend_utils/filter.rs:502:5
[INFO] [stderr]     |
[INFO] [stderr] 502 | /     fn gaussianiir2d(
[INFO] [stderr] 503 | |         d: &BlurData,
[INFO] [stderr] 504 | |         buf: &mut Vec<f64>,
[INFO] [stderr] 505 | |     ) {
[INFO] [stderr] ...   |
[INFO] [stderr] 574 | |         buf.iter_mut().for_each(|v| *v *= post_scale);
[INFO] [stderr] 575 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gen_coefficients`
[INFO] [stderr]    --> src/backend_utils/filter.rs:577:5
[INFO] [stderr]     |
[INFO] [stderr] 577 |     fn gen_coefficients(sigma: f64, steps: usize) -> (f64, f64) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `calc_region`
[INFO] [stderr]    --> src/backend_utils/filter.rs:587:1
[INFO] [stderr]     |
[INFO] [stderr] 587 | / fn calc_region(
[INFO] [stderr] 588 | |     filter: &usvg::Filter,
[INFO] [stderr] 589 | |     bbox: Option<Rect>,
[INFO] [stderr] 590 | |     ts: &usvg::Transform,
[INFO] [stderr] ...   |
[INFO] [stderr] 610 | |     Ok(region)
[INFO] [stderr] 611 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `calc_subregion`
[INFO] [stderr]    --> src/backend_utils/filter.rs:614:1
[INFO] [stderr]     |
[INFO] [stderr] 614 | / fn calc_subregion<T: ImageExt>(
[INFO] [stderr] 615 | |     filter: &usvg::Filter,
[INFO] [stderr] 616 | |     primitive: &usvg::FilterPrimitive,
[INFO] [stderr] 617 | |     bbox: Option<Rect>,
[INFO] [stderr] ...   |
[INFO] [stderr] 688 | |     Ok(subregion.to_screen_rect())
[INFO] [stderr] 689 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SRGB_TO_LINEAR_RGB_TABLE`
[INFO] [stderr]    --> src/backend_utils/filter.rs:704:1
[INFO] [stderr]     |
[INFO] [stderr] 704 | / pub const SRGB_TO_LINEAR_RGB_TABLE: &[u8; 256] = &[
[INFO] [stderr] 705 | |       0,   0,   0,   0,   0,   0,  0,    1,   1,   1,   1,   1,   1,   1,   1,   1,
[INFO] [stderr] 706 | |       1,   1,   2,   2,   2,   2,  2,    2,   2,   2,   3,   3,   3,   3,   3,   3,
[INFO] [stderr] 707 | |       4,   4,   4,   4,   4,   5,  5,    5,   5,   6,   6,   6,   6,   7,   7,   7,
[INFO] [stderr] ...   |
[INFO] [stderr] 720 | |     222, 224, 226, 229, 231, 233, 235, 237, 239, 242, 244, 246, 248, 250, 253, 255,
[INFO] [stderr] 721 | | ];
[INFO] [stderr]     | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `LINEAR_RGB_TO_SRGB_TABLE`
[INFO] [stderr]    --> src/backend_utils/filter.rs:736:1
[INFO] [stderr]     |
[INFO] [stderr] 736 | / pub const LINEAR_RGB_TO_SRGB_TABLE: &[u8; 256] = &[
[INFO] [stderr] 737 | |       0,  13,  22,  28,  34,  38,  42,  46,  50,  53,  56,  59,  61,  64,  66,  69,
[INFO] [stderr] 738 | |      71,  73,  75,  77,  79,  81,  83,  85,  86,  88,  90,  92,  93,  95,  96,  98,
[INFO] [stderr] 739 | |      99, 101, 102, 104, 105, 106, 108, 109, 110, 112, 113, 114, 115, 117, 118, 119,
[INFO] [stderr] ...   |
[INFO] [stderr] 752 | |     248, 249, 249, 250, 250, 251, 251, 251, 252, 252, 253, 253, 254, 254, 255, 255,
[INFO] [stderr] 753 | | ];
[INFO] [stderr]     | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `load_sub_svg`
[INFO] [stderr]   --> src/backend_utils/image.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | / pub fn load_sub_svg(
[INFO] [stderr] 11 | |     data: &usvg::ImageData,
[INFO] [stderr] 12 | |     opt: &Options,
[INFO] [stderr] 13 | | ) -> Option<(usvg::Tree, Options)> {
[INFO] [stderr] ...  |
[INFO] [stderr] 43 | |     Some((tree, sub_opt))
[INFO] [stderr] 44 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sanitize_sub_svg`
[INFO] [stderr]   --> src/backend_utils/image.rs:46:1
[INFO] [stderr]    |
[INFO] [stderr] 46 | / fn sanitize_sub_svg(
[INFO] [stderr] 47 | |     tree: &usvg::Tree,
[INFO] [stderr] 48 | | ) {
[INFO] [stderr] 49 | |     // Remove all Image nodes.
[INFO] [stderr] ...  |
[INFO] [stderr] 71 | |     }
[INFO] [stderr] 72 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `prepare_sub_svg_geom`
[INFO] [stderr]    --> src/backend_utils/image.rs:74:1
[INFO] [stderr]     |
[INFO] [stderr] 74  | / pub fn prepare_sub_svg_geom(
[INFO] [stderr] 75  | |     view_box: usvg::ViewBox,
[INFO] [stderr] 76  | |     img_size: ScreenSize,
[INFO] [stderr] 77  | | ) -> (usvg::Transform, Option<Rect>) {
[INFO] [stderr] ...   |
[INFO] [stderr] 102 | |     (ts, clip)
[INFO] [stderr] 103 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `image_rect`
[INFO] [stderr]    --> src/backend_utils/image.rs:105:1
[INFO] [stderr]     |
[INFO] [stderr] 105 | / pub fn image_rect(
[INFO] [stderr] 106 | |     view_box: &usvg::ViewBox,
[INFO] [stderr] 107 | |     img_size: ScreenSize,
[INFO] [stderr] 108 | | ) -> Rect {
[INFO] [stderr] ...   |
[INFO] [stderr] 118 | |     new_size.to_size().to_rect(x, y)
[INFO] [stderr] 119 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_abs_path`
[INFO] [stderr]    --> src/backend_utils/image.rs:121:1
[INFO] [stderr]     |
[INFO] [stderr] 121 | / pub fn get_abs_path(
[INFO] [stderr] 122 | |     rel_path: &path::Path,
[INFO] [stderr] 123 | |     opt: &Options,
[INFO] [stderr] 124 | | ) -> path::PathBuf {
[INFO] [stderr] ...   |
[INFO] [stderr] 128 | |     }
[INFO] [stderr] 129 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `use_shape_antialiasing`
[INFO] [stderr]   --> src/backend_utils/mod.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | / pub fn use_shape_antialiasing(
[INFO] [stderr] 11 | |     mode: usvg::ShapeRendering,
[INFO] [stderr] 12 | | ) -> bool {
[INFO] [stderr] 13 | |     match mode {
[INFO] [stderr] ...  |
[INFO] [stderr] 17 | |     }
[INFO] [stderr] 18 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `image_to_mask`
[INFO] [stderr]   --> src/backend_utils/mod.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | / pub fn image_to_mask(
[INFO] [stderr] 22 | |     data: &mut [u8],
[INFO] [stderr] 23 | |     img_size: ScreenSize,
[INFO] [stderr] 24 | | ) {
[INFO] [stderr] ...  |
[INFO] [stderr] 48 | |     }
[INFO] [stderr] 49 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Layers`
[INFO] [stderr]   --> src/layers.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub struct Layers<T> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/layers.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 | /     pub fn new(
[INFO] [stderr] 30 | |         img_size: ScreenSize,
[INFO] [stderr] 31 | |         new_img_fn: fn(ScreenSize) -> Option<T>,
[INFO] [stderr] 32 | |         clear_img_fn: fn(&mut T),
[INFO] [stderr] ...  |
[INFO] [stderr] 40 | |         }
[INFO] [stderr] 41 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `image_size`
[INFO] [stderr]   --> src/layers.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn image_size(&self) -> ScreenSize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get`
[INFO] [stderr]   --> src/layers.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn get(&mut self) -> Option<Layer<T>> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Layer`
[INFO] [stderr]   --> src/layers.rs:89:1
[INFO] [stderr]    |
[INFO] [stderr] 89 | pub struct Layer<T> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fit_to`
[INFO] [stderr]   --> src/utils.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | / pub(crate) fn fit_to(
[INFO] [stderr] 15 | |     size: ScreenSize,
[INFO] [stderr] 16 | |     fit: FitTo,
[INFO] [stderr] 17 | | ) -> Option<ScreenSize> {
[INFO] [stderr] ...  |
[INFO] [stderr] 36 | |     }
[INFO] [stderr] 37 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `apply_view_box`
[INFO] [stderr]   --> src/utils.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | / pub(crate) fn apply_view_box(
[INFO] [stderr] 40 | |     vb: &usvg::ViewBox,
[INFO] [stderr] 41 | |     img_size: ScreenSize,
[INFO] [stderr] 42 | | ) -> ScreenSize {
[INFO] [stderr] ...  |
[INFO] [stderr] 53 | |     }
[INFO] [stderr] 54 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Error`
[INFO] [stderr]   --> src/backend_utils/filter.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub enum Error {
[INFO] [stderr]    | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_image`
[INFO] [stderr]   --> src/backend_utils/filter.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn from_image(image: T, color_space: ColorSpace) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `into_color_space`
[INFO] [stderr]   --> src/backend_utils/filter.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 64 |     pub fn into_color_space(self, color_space: ColorSpace) -> Result<Self, Error> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `take`
[INFO] [stderr]   --> src/backend_utils/filter.rs:85:5
[INFO] [stderr]    |
[INFO] [stderr] 85 |     pub fn take(self) -> Result<T, Error> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `width`
[INFO] [stderr]   --> src/backend_utils/filter.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     pub fn width(&self) -> u32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `height`
[INFO] [stderr]   --> src/backend_utils/filter.rs:96:5
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn height(&self) -> u32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `as_ref`
[INFO] [stderr]    --> src/backend_utils/filter.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 |     pub fn as_ref(&self) -> &T {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `FilterResult`
[INFO] [stderr]    --> src/backend_utils/filter.rs:117:1
[INFO] [stderr]     |
[INFO] [stderr] 117 | pub struct FilterResult<T: ImageExt> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `BlurData`
[INFO] [stderr]    --> src/backend_utils/filter.rs:377:5
[INFO] [stderr]     |
[INFO] [stderr] 377 |     struct BlurData {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `apply`
[INFO] [stderr]    --> src/backend_utils/filter.rs:386:5
[INFO] [stderr]     |
[INFO] [stderr] 386 | /     pub fn apply(
[INFO] [stderr] 387 | |         data: &mut [u8],
[INFO] [stderr] 388 | |         width: u32,
[INFO] [stderr] 389 | |         height: u32,
[INFO] [stderr] ...   |
[INFO] [stderr] 413 | |         set_alpha(alpha_channel, data);
[INFO] [stderr] 414 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gaussian_alpha`
[INFO] [stderr]    --> src/backend_utils/filter.rs:416:5
[INFO] [stderr]     |
[INFO] [stderr] 416 | /     fn gaussian_alpha(
[INFO] [stderr] 417 | |         data: &[u8],
[INFO] [stderr] 418 | |         d: &BlurData,
[INFO] [stderr] 419 | |         buf: &mut Vec<f64>,
[INFO] [stderr] ...   |
[INFO] [stderr] 427 | |         buf.to_owned()
[INFO] [stderr] 428 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gaussian_channel`
[INFO] [stderr]    --> src/backend_utils/filter.rs:430:5
[INFO] [stderr]     |
[INFO] [stderr] 430 | /     fn gaussian_channel(
[INFO] [stderr] 431 | |         data: &mut [u8],
[INFO] [stderr] 432 | |         d: &BlurData,
[INFO] [stderr] 433 | |         channel: usize,
[INFO] [stderr] ...   |
[INFO] [stderr] 461 | |         }
[INFO] [stderr] 462 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `set_alpha`
[INFO] [stderr]    --> src/backend_utils/filter.rs:464:5
[INFO] [stderr]     |
[INFO] [stderr] 464 | /     fn set_alpha(
[INFO] [stderr] 465 | |         alpha_channel: &[f64],
[INFO] [stderr] 466 | |         data: &mut [u8],
[INFO] [stderr] 467 | |     ) {
[INFO] [stderr] ...   |
[INFO] [stderr] 478 | |         }
[INFO] [stderr] 479 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gaussianiir2d`
[INFO] [stderr]    --> src/backend_utils/filter.rs:502:5
[INFO] [stderr]     |
[INFO] [stderr] 502 | /     fn gaussianiir2d(
[INFO] [stderr] 503 | |         d: &BlurData,
[INFO] [stderr] 504 | |         buf: &mut Vec<f64>,
[INFO] [stderr] 505 | |     ) {
[INFO] [stderr] ...   |
[INFO] [stderr] 574 | |         buf.iter_mut().for_each(|v| *v *= post_scale);
[INFO] [stderr] 575 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gen_coefficients`
[INFO] [stderr]    --> src/backend_utils/filter.rs:577:5
[INFO] [stderr]     |
[INFO] [stderr] 577 |     fn gen_coefficients(sigma: f64, steps: usize) -> (f64, f64) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `calc_region`
[INFO] [stderr]    --> src/backend_utils/filter.rs:587:1
[INFO] [stderr]     |
[INFO] [stderr] 587 | / fn calc_region(
[INFO] [stderr] 588 | |     filter: &usvg::Filter,
[INFO] [stderr] 589 | |     bbox: Option<Rect>,
[INFO] [stderr] 590 | |     ts: &usvg::Transform,
[INFO] [stderr] ...   |
[INFO] [stderr] 610 | |     Ok(region)
[INFO] [stderr] 611 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `calc_subregion`
[INFO] [stderr]    --> src/backend_utils/filter.rs:614:1
[INFO] [stderr]     |
[INFO] [stderr] 614 | / fn calc_subregion<T: ImageExt>(
[INFO] [stderr] 615 | |     filter: &usvg::Filter,
[INFO] [stderr] 616 | |     primitive: &usvg::FilterPrimitive,
[INFO] [stderr] 617 | |     bbox: Option<Rect>,
[INFO] [stderr] ...   |
[INFO] [stderr] 688 | |     Ok(subregion.to_screen_rect())
[INFO] [stderr] 689 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SRGB_TO_LINEAR_RGB_TABLE`
[INFO] [stderr]    --> src/backend_utils/filter.rs:704:1
[INFO] [stderr]     |
[INFO] [stderr] 704 | / pub const SRGB_TO_LINEAR_RGB_TABLE: &[u8; 256] = &[
[INFO] [stderr] 705 | |       0,   0,   0,   0,   0,   0,  0,    1,   1,   1,   1,   1,   1,   1,   1,   1,
[INFO] [stderr] 706 | |       1,   1,   2,   2,   2,   2,  2,    2,   2,   2,   3,   3,   3,   3,   3,   3,
[INFO] [stderr] 707 | |       4,   4,   4,   4,   4,   5,  5,    5,   5,   6,   6,   6,   6,   7,   7,   7,
[INFO] [stderr] ...   |
[INFO] [stderr] 720 | |     222, 224, 226, 229, 231, 233, 235, 237, 239, 242, 244, 246, 248, 250, 253, 255,
[INFO] [stderr] 721 | | ];
[INFO] [stderr]     | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `LINEAR_RGB_TO_SRGB_TABLE`
[INFO] [stderr]    --> src/backend_utils/filter.rs:736:1
[INFO] [stderr]     |
[INFO] [stderr] 736 | / pub const LINEAR_RGB_TO_SRGB_TABLE: &[u8; 256] = &[
[INFO] [stderr] 737 | |       0,  13,  22,  28,  34,  38,  42,  46,  50,  53,  56,  59,  61,  64,  66,  69,
[INFO] [stderr] 738 | |      71,  73,  75,  77,  79,  81,  83,  85,  86,  88,  90,  92,  93,  95,  96,  98,
[INFO] [stderr] 739 | |      99, 101, 102, 104, 105, 106, 108, 109, 110, 112, 113, 114, 115, 117, 118, 119,
[INFO] [stderr] ...   |
[INFO] [stderr] 752 | |     248, 249, 249, 250, 250, 251, 251, 251, 252, 252, 253, 253, 254, 254, 255, 255,
[INFO] [stderr] 753 | | ];
[INFO] [stderr]     | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `load_sub_svg`
[INFO] [stderr]   --> src/backend_utils/image.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | / pub fn load_sub_svg(
[INFO] [stderr] 11 | |     data: &usvg::ImageData,
[INFO] [stderr] 12 | |     opt: &Options,
[INFO] [stderr] 13 | | ) -> Option<(usvg::Tree, Options)> {
[INFO] [stderr] ...  |
[INFO] [stderr] 43 | |     Some((tree, sub_opt))
[INFO] [stderr] 44 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sanitize_sub_svg`
[INFO] [stderr]   --> src/backend_utils/image.rs:46:1
[INFO] [stderr]    |
[INFO] [stderr] 46 | / fn sanitize_sub_svg(
[INFO] [stderr] 47 | |     tree: &usvg::Tree,
[INFO] [stderr] 48 | | ) {
[INFO] [stderr] 49 | |     // Remove all Image nodes.
[INFO] [stderr] ...  |
[INFO] [stderr] 71 | |     }
[INFO] [stderr] 72 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `prepare_sub_svg_geom`
[INFO] [stderr]    --> src/backend_utils/image.rs:74:1
[INFO] [stderr]     |
[INFO] [stderr] 74  | / pub fn prepare_sub_svg_geom(
[INFO] [stderr] 75  | |     view_box: usvg::ViewBox,
[INFO] [stderr] 76  | |     img_size: ScreenSize,
[INFO] [stderr] 77  | | ) -> (usvg::Transform, Option<Rect>) {
[INFO] [stderr] ...   |
[INFO] [stderr] 102 | |     (ts, clip)
[INFO] [stderr] 103 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `image_rect`
[INFO] [stderr]    --> src/backend_utils/image.rs:105:1
[INFO] [stderr]     |
[INFO] [stderr] 105 | / pub fn image_rect(
[INFO] [stderr] 106 | |     view_box: &usvg::ViewBox,
[INFO] [stderr] 107 | |     img_size: ScreenSize,
[INFO] [stderr] 108 | | ) -> Rect {
[INFO] [stderr] ...   |
[INFO] [stderr] 118 | |     new_size.to_size().to_rect(x, y)
[INFO] [stderr] 119 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_abs_path`
[INFO] [stderr]    --> src/backend_utils/image.rs:121:1
[INFO] [stderr]     |
[INFO] [stderr] 121 | / pub fn get_abs_path(
[INFO] [stderr] 122 | |     rel_path: &path::Path,
[INFO] [stderr] 123 | |     opt: &Options,
[INFO] [stderr] 124 | | ) -> path::PathBuf {
[INFO] [stderr] ...   |
[INFO] [stderr] 128 | |     }
[INFO] [stderr] 129 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `use_shape_antialiasing`
[INFO] [stderr]   --> src/backend_utils/mod.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | / pub fn use_shape_antialiasing(
[INFO] [stderr] 11 | |     mode: usvg::ShapeRendering,
[INFO] [stderr] 12 | | ) -> bool {
[INFO] [stderr] 13 | |     match mode {
[INFO] [stderr] ...  |
[INFO] [stderr] 17 | |     }
[INFO] [stderr] 18 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `image_to_mask`
[INFO] [stderr]   --> src/backend_utils/mod.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | / pub fn image_to_mask(
[INFO] [stderr] 22 | |     data: &mut [u8],
[INFO] [stderr] 23 | |     img_size: ScreenSize,
[INFO] [stderr] 24 | | ) {
[INFO] [stderr] ...  |
[INFO] [stderr] 48 | |     }
[INFO] [stderr] 49 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Layers`
[INFO] [stderr]   --> src/layers.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub struct Layers<T> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/layers.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 | /     pub fn new(
[INFO] [stderr] 30 | |         img_size: ScreenSize,
[INFO] [stderr] 31 | |         new_img_fn: fn(ScreenSize) -> Option<T>,
[INFO] [stderr] 32 | |         clear_img_fn: fn(&mut T),
[INFO] [stderr] ...  |
[INFO] [stderr] 40 | |         }
[INFO] [stderr] 41 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `image_size`
[INFO] [stderr]   --> src/layers.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn image_size(&self) -> ScreenSize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get`
[INFO] [stderr]   --> src/layers.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn get(&mut self) -> Option<Layer<T>> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Layer`
[INFO] [stderr]   --> src/layers.rs:89:1
[INFO] [stderr]    |
[INFO] [stderr] 89 | pub struct Layer<T> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.61s
[INFO] running `"docker" "inspect" "44c7f9d46cd3a854c0c7cc74daa45076fd02581cf7165a177299d6c3247016ca"`
[INFO] running `"docker" "rm" "-f" "44c7f9d46cd3a854c0c7cc74daa45076fd02581cf7165a177299d6c3247016ca"`
[INFO] [stdout] 44c7f9d46cd3a854c0c7cc74daa45076fd02581cf7165a177299d6c3247016ca