[INFO] crate resvg 0.6.1 is already in cache
[INFO] extracting crate resvg 0.6.1 into work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/reg/resvg/0.6.1
[INFO] extracting crate resvg 0.6.1 into work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/reg/resvg/0.6.1
[INFO] validating manifest of resvg-0.6.1 on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of resvg-0.6.1 on toolchain try#f45cc3094ee337acd688771b9234318046b0572d
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing resvg-0.6.1
[INFO] finished frobbing resvg-0.6.1
[INFO] frobbed toml for resvg-0.6.1 written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/reg/resvg/0.6.1/Cargo.toml
[INFO] started frobbing resvg-0.6.1
[INFO] finished frobbing resvg-0.6.1
[INFO] frobbed toml for resvg-0.6.1 written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/reg/resvg/0.6.1/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] checking resvg-0.6.1 against master#39401465da4ce27aeeb2c2a26133ac35c63aa515 for pr-60914
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-5/master#39401465da4ce27aeeb2c2a26133ac35c63aa515:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/reg/resvg/0.6.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e325ad802572c14c2037ecc427b3b3ff418778f6ebd5c8b10a044c0ef68facb6
[INFO] running `"docker" "start" "-a" "e325ad802572c14c2037ecc427b3b3ff418778f6ebd5c8b10a044c0ef68facb6"`
[INFO] [stderr]     Checking svgdom v0.16.1
[INFO] [stderr]     Checking usvg v0.6.1
[INFO] [stderr]     Checking resvg v0.6.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | #[macro_use] pub extern crate usvg;
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | #[macro_use] pub extern crate usvg;
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/backend_utils/text.rs:54:13
[INFO] [stderr]    |
[INFO] [stderr] 54 |         let mut chunk_x = chunk.x.unwrap_or(last_x) + chunk.dx.unwrap_or(0.0);
[INFO] [stderr]    |             ----^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/backend_utils/text.rs:56:13
[INFO] [stderr]    |
[INFO] [stderr] 56 |         let mut y = chunk.y.unwrap_or(last_y) + chunk.dy.unwrap_or(0.0);
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[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(vb: &usvg::ViewBox, img_size: ScreenSize) -> ScreenSize {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Error`
[INFO] [stderr]   --> src/backend_utils/filter.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub enum Error {
[INFO] [stderr]    | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_image`
[INFO] [stderr]   --> src/backend_utils/filter.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     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:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     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:86:5
[INFO] [stderr]    |
[INFO] [stderr] 86 |     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:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 |     pub fn width(&self) -> u32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `height`
[INFO] [stderr]   --> src/backend_utils/filter.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     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:101:5
[INFO] [stderr]     |
[INFO] [stderr] 101 |     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:118:1
[INFO] [stderr]     |
[INFO] [stderr] 118 | pub struct FilterResult<T: ImageExt> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `BlurData`
[INFO] [stderr]    --> src/backend_utils/filter.rs:370:5
[INFO] [stderr]     |
[INFO] [stderr] 370 |     struct BlurData {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `apply`
[INFO] [stderr]    --> src/backend_utils/filter.rs:379:5
[INFO] [stderr]     |
[INFO] [stderr] 379 | /     pub fn apply(
[INFO] [stderr] 380 | |         data: &mut [u8],
[INFO] [stderr] 381 | |         width: u32,
[INFO] [stderr] 382 | |         height: u32,
[INFO] [stderr] ...   |
[INFO] [stderr] 406 | |         set_alpha(alpha_channel, data);
[INFO] [stderr] 407 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gaussian_alpha`
[INFO] [stderr]    --> src/backend_utils/filter.rs:409:5
[INFO] [stderr]     |
[INFO] [stderr] 409 | /     fn gaussian_alpha(
[INFO] [stderr] 410 | |         data: &[u8],
[INFO] [stderr] 411 | |         d: &BlurData,
[INFO] [stderr] 412 | |         buf: &mut Vec<f64>,
[INFO] [stderr] ...   |
[INFO] [stderr] 420 | |         buf.to_owned()
[INFO] [stderr] 421 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gaussian_channel`
[INFO] [stderr]    --> src/backend_utils/filter.rs:423:5
[INFO] [stderr]     |
[INFO] [stderr] 423 | /     fn gaussian_channel(
[INFO] [stderr] 424 | |         data: &mut [u8],
[INFO] [stderr] 425 | |         d: &BlurData,
[INFO] [stderr] 426 | |         channel: usize,
[INFO] [stderr] ...   |
[INFO] [stderr] 454 | |         }
[INFO] [stderr] 455 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `set_alpha`
[INFO] [stderr]    --> src/backend_utils/filter.rs:457:5
[INFO] [stderr]     |
[INFO] [stderr] 457 | /     fn set_alpha(
[INFO] [stderr] 458 | |         alpha_channel: &[f64],
[INFO] [stderr] 459 | |         data: &mut [u8],
[INFO] [stderr] 460 | |     ) {
[INFO] [stderr] ...   |
[INFO] [stderr] 471 | |         }
[INFO] [stderr] 472 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gaussianiir2d`
[INFO] [stderr]    --> src/backend_utils/filter.rs:495:5
[INFO] [stderr]     |
[INFO] [stderr] 495 | /     fn gaussianiir2d(
[INFO] [stderr] 496 | |         d: &BlurData,
[INFO] [stderr] 497 | |         buf: &mut Vec<f64>,
[INFO] [stderr] 498 | |     ) {
[INFO] [stderr] ...   |
[INFO] [stderr] 567 | |         buf.iter_mut().for_each(|v| *v *= post_scale);
[INFO] [stderr] 568 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gen_coefficients`
[INFO] [stderr]    --> src/backend_utils/filter.rs:570:5
[INFO] [stderr]     |
[INFO] [stderr] 570 |     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:580:1
[INFO] [stderr]     |
[INFO] [stderr] 580 | / fn calc_region(
[INFO] [stderr] 581 | |     filter: &usvg::Filter,
[INFO] [stderr] 582 | |     bbox: Rect,
[INFO] [stderr] 583 | |     ts: &usvg::Transform,
[INFO] [stderr] ...   |
[INFO] [stderr] 608 | |     Ok(region)
[INFO] [stderr] 609 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `calc_subregion`
[INFO] [stderr]    --> src/backend_utils/filter.rs:612:1
[INFO] [stderr]     |
[INFO] [stderr] 612 | / fn calc_subregion<T: ImageExt>(
[INFO] [stderr] 613 | |     filter: &usvg::Filter,
[INFO] [stderr] 614 | |     primitive: &usvg::FilterPrimitive,
[INFO] [stderr] 615 | |     bbox: Rect,
[INFO] [stderr] ...   |
[INFO] [stderr] 681 | |     subregion.to_screen_rect()
[INFO] [stderr] 682 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SRGB_TO_LINEAR_RGB_TABLE`
[INFO] [stderr]    --> src/backend_utils/filter.rs:697:1
[INFO] [stderr]     |
[INFO] [stderr] 697 | / pub const SRGB_TO_LINEAR_RGB_TABLE: &[u8; 256] = &[
[INFO] [stderr] 698 | |       0,   0,   0,   0,   0,   0,  0,    1,   1,   1,   1,   1,   1,   1,   1,   1,
[INFO] [stderr] 699 | |       1,   1,   2,   2,   2,   2,  2,    2,   2,   2,   3,   3,   3,   3,   3,   3,
[INFO] [stderr] 700 | |       4,   4,   4,   4,   4,   5,  5,    5,   5,   6,   6,   6,   6,   7,   7,   7,
[INFO] [stderr] ...   |
[INFO] [stderr] 713 | |     222, 224, 226, 229, 231, 233, 235, 237, 239, 242, 244, 246, 248, 250, 253, 255,
[INFO] [stderr] 714 | | ];
[INFO] [stderr]     | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `LINEAR_RGB_TO_SRGB_TABLE`
[INFO] [stderr]    --> src/backend_utils/filter.rs:729:1
[INFO] [stderr]     |
[INFO] [stderr] 729 | / pub const LINEAR_RGB_TO_SRGB_TABLE: &[u8; 256] = &[
[INFO] [stderr] 730 | |       0,  13,  22,  28,  34,  38,  42,  46,  50,  53,  56,  59,  61,  64,  66,  69,
[INFO] [stderr] 731 | |      71,  73,  75,  77,  79,  81,  83,  85,  86,  88,  90,  92,  93,  95,  96,  98,
[INFO] [stderr] 732 | |      99, 101, 102, 104, 105, 106, 108, 109, 110, 112, 113, 114, 115, 117, 118, 119,
[INFO] [stderr] ...   |
[INFO] [stderr] 745 | |     248, 249, 249, 250, 250, 251, 251, 251, 252, 252, 253, 253, 254, 254, 255, 255,
[INFO] [stderr] 746 | | ];
[INFO] [stderr]     | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `load_sub_svg`
[INFO] [stderr]   --> src/backend_utils/image.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | / pub fn load_sub_svg(
[INFO] [stderr] 15 | |     data: &usvg::ImageData,
[INFO] [stderr] 16 | |     opt: &Options,
[INFO] [stderr] 17 | | ) -> Option<(usvg::Tree, Options)> {
[INFO] [stderr] ...  |
[INFO] [stderr] 44 | |     Some((tree, sub_opt))
[INFO] [stderr] 45 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sanitize_sub_svg`
[INFO] [stderr]   --> src/backend_utils/image.rs:47:1
[INFO] [stderr]    |
[INFO] [stderr] 47 | fn sanitize_sub_svg(tree: &usvg::Tree) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `prepare_image_viewbox`
[INFO] [stderr]   --> src/backend_utils/image.rs:73:1
[INFO] [stderr]    |
[INFO] [stderr] 73 | pub fn prepare_image_viewbox(img_size: ScreenSize, view_box: &mut usvg::ViewBox) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `prepare_sub_svg_geom`
[INFO] [stderr]    --> src/backend_utils/image.rs:81:1
[INFO] [stderr]     |
[INFO] [stderr] 81  | / pub fn prepare_sub_svg_geom(
[INFO] [stderr] 82  | |     mut view_box: usvg::ViewBox,
[INFO] [stderr] 83  | |     img_size: ScreenSize,
[INFO] [stderr] 84  | | ) -> (usvg::Transform, Option<Rect>) {
[INFO] [stderr] ...   |
[INFO] [stderr] 111 | |     (ts, clip)
[INFO] [stderr] 112 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_abs_path`
[INFO] [stderr]    --> src/backend_utils/image.rs:114:1
[INFO] [stderr]     |
[INFO] [stderr] 114 | / pub fn get_abs_path(
[INFO] [stderr] 115 | |     rel_path: &path::Path,
[INFO] [stderr] 116 | |     opt: &Options,
[INFO] [stderr] 117 | | ) -> path::PathBuf {
[INFO] [stderr] ...   |
[INFO] [stderr] 121 | |     }
[INFO] [stderr] 122 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `image_to_mask`
[INFO] [stderr]   --> src/backend_utils/mask.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | / pub fn image_to_mask(
[INFO] [stderr] 11 | |     data: &mut [u8],
[INFO] [stderr] 12 | |     img_size: ScreenSize,
[INFO] [stderr] 13 | | ) {
[INFO] [stderr] ...  |
[INFO] [stderr] 37 | |     }
[INFO] [stderr] 38 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `TextBlock`
[INFO] [stderr]  --> src/backend_utils/text.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct TextBlock<Font> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `draw_blocks`
[INFO] [stderr]   --> src/backend_utils/text.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | / pub fn draw_blocks<Font, Draw>(
[INFO] [stderr] 32 | |     blocks: Vec<TextBlock<Font>>,
[INFO] [stderr] 33 | |     mut draw: Draw,
[INFO] [stderr] 34 | | )
[INFO] [stderr] ...  |
[INFO] [stderr] 41 | |     }
[INFO] [stderr] 42 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `prepare_blocks`
[INFO] [stderr]    --> src/backend_utils/text.rs:44:1
[INFO] [stderr]     |
[INFO] [stderr] 44  | / pub fn prepare_blocks<Font>(
[INFO] [stderr] 45  | |     text_kind: &usvg::Text,
[INFO] [stderr] 46  | |     font_metrics: &mut FontMetrics<Font>,
[INFO] [stderr] 47  | | ) -> (Vec<TextBlock<Font>>, Rect) {
[INFO] [stderr] ...   |
[INFO] [stderr] 140 | |     (blocks, text_bbox)
[INFO] [stderr] 141 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `process_text_anchor`
[INFO] [stderr]    --> src/backend_utils/text.rs:143:1
[INFO] [stderr]     |
[INFO] [stderr] 143 | fn process_text_anchor(a: usvg::TextAnchor, text_width: f64) -> f64 {
[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:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 | /     pub fn new<F1, F2>(
[INFO] [stderr] 31 | |         img_size: ScreenSize,
[INFO] [stderr] 32 | |         dpi: f64,
[INFO] [stderr] 33 | |         new_img_fn: F1,
[INFO] [stderr] ...  |
[INFO] [stderr] 46 | |         }
[INFO] [stderr] 47 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `image_size`
[INFO] [stderr]   --> src/layers.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn image_size(&self) -> ScreenSize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get`
[INFO] [stderr]   --> src/layers.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     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:94:1
[INFO] [stderr]    |
[INFO] [stderr] 94 | pub struct Layer<T> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/backend_utils/text.rs:54:13
[INFO] [stderr]    |
[INFO] [stderr] 54 |         let mut chunk_x = chunk.x.unwrap_or(last_x) + chunk.dx.unwrap_or(0.0);
[INFO] [stderr]    |             ----^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/backend_utils/text.rs:56:13
[INFO] [stderr]    |
[INFO] [stderr] 56 |         let mut y = chunk.y.unwrap_or(last_y) + chunk.dy.unwrap_or(0.0);
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[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(vb: &usvg::ViewBox, img_size: ScreenSize) -> ScreenSize {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Error`
[INFO] [stderr]   --> src/backend_utils/filter.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub enum Error {
[INFO] [stderr]    | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_image`
[INFO] [stderr]   --> src/backend_utils/filter.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     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:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     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:86:5
[INFO] [stderr]    |
[INFO] [stderr] 86 |     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:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 |     pub fn width(&self) -> u32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `height`
[INFO] [stderr]   --> src/backend_utils/filter.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     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:101:5
[INFO] [stderr]     |
[INFO] [stderr] 101 |     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:118:1
[INFO] [stderr]     |
[INFO] [stderr] 118 | pub struct FilterResult<T: ImageExt> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `BlurData`
[INFO] [stderr]    --> src/backend_utils/filter.rs:370:5
[INFO] [stderr]     |
[INFO] [stderr] 370 |     struct BlurData {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `apply`
[INFO] [stderr]    --> src/backend_utils/filter.rs:379:5
[INFO] [stderr]     |
[INFO] [stderr] 379 | /     pub fn apply(
[INFO] [stderr] 380 | |         data: &mut [u8],
[INFO] [stderr] 381 | |         width: u32,
[INFO] [stderr] 382 | |         height: u32,
[INFO] [stderr] ...   |
[INFO] [stderr] 406 | |         set_alpha(alpha_channel, data);
[INFO] [stderr] 407 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gaussian_alpha`
[INFO] [stderr]    --> src/backend_utils/filter.rs:409:5
[INFO] [stderr]     |
[INFO] [stderr] 409 | /     fn gaussian_alpha(
[INFO] [stderr] 410 | |         data: &[u8],
[INFO] [stderr] 411 | |         d: &BlurData,
[INFO] [stderr] 412 | |         buf: &mut Vec<f64>,
[INFO] [stderr] ...   |
[INFO] [stderr] 420 | |         buf.to_owned()
[INFO] [stderr] 421 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gaussian_channel`
[INFO] [stderr]    --> src/backend_utils/filter.rs:423:5
[INFO] [stderr]     |
[INFO] [stderr] 423 | /     fn gaussian_channel(
[INFO] [stderr] 424 | |         data: &mut [u8],
[INFO] [stderr] 425 | |         d: &BlurData,
[INFO] [stderr] 426 | |         channel: usize,
[INFO] [stderr] ...   |
[INFO] [stderr] 454 | |         }
[INFO] [stderr] 455 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `set_alpha`
[INFO] [stderr]    --> src/backend_utils/filter.rs:457:5
[INFO] [stderr]     |
[INFO] [stderr] 457 | /     fn set_alpha(
[INFO] [stderr] 458 | |         alpha_channel: &[f64],
[INFO] [stderr] 459 | |         data: &mut [u8],
[INFO] [stderr] 460 | |     ) {
[INFO] [stderr] ...   |
[INFO] [stderr] 471 | |         }
[INFO] [stderr] 472 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gaussianiir2d`
[INFO] [stderr]    --> src/backend_utils/filter.rs:495:5
[INFO] [stderr]     |
[INFO] [stderr] 495 | /     fn gaussianiir2d(
[INFO] [stderr] 496 | |         d: &BlurData,
[INFO] [stderr] 497 | |         buf: &mut Vec<f64>,
[INFO] [stderr] 498 | |     ) {
[INFO] [stderr] ...   |
[INFO] [stderr] 567 | |         buf.iter_mut().for_each(|v| *v *= post_scale);
[INFO] [stderr] 568 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gen_coefficients`
[INFO] [stderr]    --> src/backend_utils/filter.rs:570:5
[INFO] [stderr]     |
[INFO] [stderr] 570 |     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:580:1
[INFO] [stderr]     |
[INFO] [stderr] 580 | / fn calc_region(
[INFO] [stderr] 581 | |     filter: &usvg::Filter,
[INFO] [stderr] 582 | |     bbox: Rect,
[INFO] [stderr] 583 | |     ts: &usvg::Transform,
[INFO] [stderr] ...   |
[INFO] [stderr] 608 | |     Ok(region)
[INFO] [stderr] 609 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `calc_subregion`
[INFO] [stderr]    --> src/backend_utils/filter.rs:612:1
[INFO] [stderr]     |
[INFO] [stderr] 612 | / fn calc_subregion<T: ImageExt>(
[INFO] [stderr] 613 | |     filter: &usvg::Filter,
[INFO] [stderr] 614 | |     primitive: &usvg::FilterPrimitive,
[INFO] [stderr] 615 | |     bbox: Rect,
[INFO] [stderr] ...   |
[INFO] [stderr] 681 | |     subregion.to_screen_rect()
[INFO] [stderr] 682 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SRGB_TO_LINEAR_RGB_TABLE`
[INFO] [stderr]    --> src/backend_utils/filter.rs:697:1
[INFO] [stderr]     |
[INFO] [stderr] 697 | / pub const SRGB_TO_LINEAR_RGB_TABLE: &[u8; 256] = &[
[INFO] [stderr] 698 | |       0,   0,   0,   0,   0,   0,  0,    1,   1,   1,   1,   1,   1,   1,   1,   1,
[INFO] [stderr] 699 | |       1,   1,   2,   2,   2,   2,  2,    2,   2,   2,   3,   3,   3,   3,   3,   3,
[INFO] [stderr] 700 | |       4,   4,   4,   4,   4,   5,  5,    5,   5,   6,   6,   6,   6,   7,   7,   7,
[INFO] [stderr] ...   |
[INFO] [stderr] 713 | |     222, 224, 226, 229, 231, 233, 235, 237, 239, 242, 244, 246, 248, 250, 253, 255,
[INFO] [stderr] 714 | | ];
[INFO] [stderr]     | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `LINEAR_RGB_TO_SRGB_TABLE`
[INFO] [stderr]    --> src/backend_utils/filter.rs:729:1
[INFO] [stderr]     |
[INFO] [stderr] 729 | / pub const LINEAR_RGB_TO_SRGB_TABLE: &[u8; 256] = &[
[INFO] [stderr] 730 | |       0,  13,  22,  28,  34,  38,  42,  46,  50,  53,  56,  59,  61,  64,  66,  69,
[INFO] [stderr] 731 | |      71,  73,  75,  77,  79,  81,  83,  85,  86,  88,  90,  92,  93,  95,  96,  98,
[INFO] [stderr] 732 | |      99, 101, 102, 104, 105, 106, 108, 109, 110, 112, 113, 114, 115, 117, 118, 119,
[INFO] [stderr] ...   |
[INFO] [stderr] 745 | |     248, 249, 249, 250, 250, 251, 251, 251, 252, 252, 253, 253, 254, 254, 255, 255,
[INFO] [stderr] 746 | | ];
[INFO] [stderr]     | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `load_sub_svg`
[INFO] [stderr]   --> src/backend_utils/image.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | / pub fn load_sub_svg(
[INFO] [stderr] 15 | |     data: &usvg::ImageData,
[INFO] [stderr] 16 | |     opt: &Options,
[INFO] [stderr] 17 | | ) -> Option<(usvg::Tree, Options)> {
[INFO] [stderr] ...  |
[INFO] [stderr] 44 | |     Some((tree, sub_opt))
[INFO] [stderr] 45 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sanitize_sub_svg`
[INFO] [stderr]   --> src/backend_utils/image.rs:47:1
[INFO] [stderr]    |
[INFO] [stderr] 47 | fn sanitize_sub_svg(tree: &usvg::Tree) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `prepare_image_viewbox`
[INFO] [stderr]   --> src/backend_utils/image.rs:73:1
[INFO] [stderr]    |
[INFO] [stderr] 73 | pub fn prepare_image_viewbox(img_size: ScreenSize, view_box: &mut usvg::ViewBox) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `prepare_sub_svg_geom`
[INFO] [stderr]    --> src/backend_utils/image.rs:81:1
[INFO] [stderr]     |
[INFO] [stderr] 81  | / pub fn prepare_sub_svg_geom(
[INFO] [stderr] 82  | |     mut view_box: usvg::ViewBox,
[INFO] [stderr] 83  | |     img_size: ScreenSize,
[INFO] [stderr] 84  | | ) -> (usvg::Transform, Option<Rect>) {
[INFO] [stderr] ...   |
[INFO] [stderr] 111 | |     (ts, clip)
[INFO] [stderr] 112 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_abs_path`
[INFO] [stderr]    --> src/backend_utils/image.rs:114:1
[INFO] [stderr]     |
[INFO] [stderr] 114 | / pub fn get_abs_path(
[INFO] [stderr] 115 | |     rel_path: &path::Path,
[INFO] [stderr] 116 | |     opt: &Options,
[INFO] [stderr] 117 | | ) -> path::PathBuf {
[INFO] [stderr] ...   |
[INFO] [stderr] 121 | |     }
[INFO] [stderr] 122 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `image_to_mask`
[INFO] [stderr]   --> src/backend_utils/mask.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | / pub fn image_to_mask(
[INFO] [stderr] 11 | |     data: &mut [u8],
[INFO] [stderr] 12 | |     img_size: ScreenSize,
[INFO] [stderr] 13 | | ) {
[INFO] [stderr] ...  |
[INFO] [stderr] 37 | |     }
[INFO] [stderr] 38 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `TextBlock`
[INFO] [stderr]  --> src/backend_utils/text.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct TextBlock<Font> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `draw_blocks`
[INFO] [stderr]   --> src/backend_utils/text.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | / pub fn draw_blocks<Font, Draw>(
[INFO] [stderr] 32 | |     blocks: Vec<TextBlock<Font>>,
[INFO] [stderr] 33 | |     mut draw: Draw,
[INFO] [stderr] 34 | | )
[INFO] [stderr] ...  |
[INFO] [stderr] 41 | |     }
[INFO] [stderr] 42 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `prepare_blocks`
[INFO] [stderr]    --> src/backend_utils/text.rs:44:1
[INFO] [stderr]     |
[INFO] [stderr] 44  | / pub fn prepare_blocks<Font>(
[INFO] [stderr] 45  | |     text_kind: &usvg::Text,
[INFO] [stderr] 46  | |     font_metrics: &mut FontMetrics<Font>,
[INFO] [stderr] 47  | | ) -> (Vec<TextBlock<Font>>, Rect) {
[INFO] [stderr] ...   |
[INFO] [stderr] 140 | |     (blocks, text_bbox)
[INFO] [stderr] 141 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `process_text_anchor`
[INFO] [stderr]    --> src/backend_utils/text.rs:143:1
[INFO] [stderr]     |
[INFO] [stderr] 143 | fn process_text_anchor(a: usvg::TextAnchor, text_width: f64) -> f64 {
[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:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 | /     pub fn new<F1, F2>(
[INFO] [stderr] 31 | |         img_size: ScreenSize,
[INFO] [stderr] 32 | |         dpi: f64,
[INFO] [stderr] 33 | |         new_img_fn: F1,
[INFO] [stderr] ...  |
[INFO] [stderr] 46 | |         }
[INFO] [stderr] 47 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `image_size`
[INFO] [stderr]   --> src/layers.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn image_size(&self) -> ScreenSize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get`
[INFO] [stderr]   --> src/layers.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     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:94:1
[INFO] [stderr]    |
[INFO] [stderr] 94 | pub struct Layer<T> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.26s
[INFO] running `"docker" "inspect" "e325ad802572c14c2037ecc427b3b3ff418778f6ebd5c8b10a044c0ef68facb6"`
[INFO] running `"docker" "rm" "-f" "e325ad802572c14c2037ecc427b3b3ff418778f6ebd5c8b10a044c0ef68facb6"`
[INFO] [stdout] e325ad802572c14c2037ecc427b3b3ff418778f6ebd5c8b10a044c0ef68facb6