[INFO] cloning repository https://github.com/ischaaf/image-generation-sandbox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ischaaf/image-generation-sandbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fischaaf%2Fimage-generation-sandbox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fischaaf%2Fimage-generation-sandbox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e465df51ba2928b339c144a3c2288476d892302d
[INFO] checking ischaaf/image-generation-sandbox against try#d534db0721b23cf977073bf4cd306dbf501e6b4d for pr-138499
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fischaaf%2Fimage-generation-sandbox" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ischaaf/image-generation-sandbox on toolchain d534db0721b23cf977073bf4cd306dbf501e6b4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d534db0721b23cf977073bf4cd306dbf501e6b4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ischaaf/image-generation-sandbox
[INFO] finished tweaking git repo https://github.com/ischaaf/image-generation-sandbox
[INFO] tweaked toml for git repo https://github.com/ischaaf/image-generation-sandbox written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ischaaf/image-generation-sandbox 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" "+d534db0721b23cf977073bf4cd306dbf501e6b4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+d534db0721b23cf977073bf4cd306dbf501e6b4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c67d1db127290058c300a19b97d7316f44c9fd576e363a61b1a16c7395e42e19
[INFO] running `Command { std: "docker" "start" "-a" "c67d1db127290058c300a19b97d7316f44c9fd576e363a61b1a16c7395e42e19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c67d1db127290058c300a19b97d7316f44c9fd576e363a61b1a16c7395e42e19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c67d1db127290058c300a19b97d7316f44c9fd576e363a61b1a16c7395e42e19", kill_on_drop: false }`
[INFO] [stdout] c67d1db127290058c300a19b97d7316f44c9fd576e363a61b1a16c7395e42e19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+d534db0721b23cf977073bf4cd306dbf501e6b4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8406242d8a985e9eda82cc1756477b895f2c258c139ae43c061b533b7b74dd6
[INFO] running `Command { std: "docker" "start" "-a" "d8406242d8a985e9eda82cc1756477b895f2c258c139ae43c061b533b7b74dd6", kill_on_drop: false }`
[INFO] [stderr]     Checking png_encode_mini v0.1.2
[INFO] [stderr]     Checking image-patterns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::tessellation::CenterFn`
[INFO] [stdout]   --> src/regions/mod.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub use super::tessellation::CenterFn;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::tessellation::MakePolygonFn`
[INFO] [stdout]   --> src/regions/mod.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub use super::tessellation::MakePolygonFn;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `blended_tessellation::BlendedTessellationTF`
[INFO] [stdout]  --> src/transformers/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use blended_tessellation::BlendedTessellationTF;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::tessellation::CenterFn`
[INFO] [stdout]   --> src/regions/mod.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub use super::tessellation::CenterFn;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::tessellation::MakePolygonFn`
[INFO] [stdout]   --> src/regions/mod.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub use super::tessellation::MakePolygonFn;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `blended_tessellation::BlendedTessellationTF`
[INFO] [stdout]  --> src/transformers/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use blended_tessellation::BlendedTessellationTF;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `point`
[INFO] [stdout]   --> src/curves.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Box::new(move |point: &Point, bounds: &Point| val)
[INFO] [stdout]    |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_point`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bounds`
[INFO] [stdout]   --> src/curves.rs:11:35
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Box::new(move |point: &Point, bounds: &Point| val)
[INFO] [stdout]    |                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_bounds`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `point`
[INFO] [stdout]   --> src/curves.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Box::new(move |point: &Point, bounds: &Point| val)
[INFO] [stdout]    |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_point`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bounds`
[INFO] [stdout]   --> src/curves.rs:11:35
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Box::new(move |point: &Point, bounds: &Point| val)
[INFO] [stdout]    |                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_bounds`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `full_bound_color`
[INFO] [stdout]   --> src/transformers/colored_tessellation.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let full_bound_color = Pixel::hsl(120.0, 1.0, 0.5); // green
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_full_bound_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `standard_bound_color`
[INFO] [stdout]   --> src/transformers/colored_tessellation.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let standard_bound_color = Pixel::hsl(240.0, 1.0, 0.5); // blue
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_standard_bound_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `image`
[INFO] [stdout]   --> src/transformers/solid_color.rs:18:29
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn get_mutations(&self, image: &Image, mutations: &mut Vec<(Point, Pixel)>) {
[INFO] [stdout]    |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_image`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `apply_ratio` is never used
[INFO] [stdout]  --> src/curves.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn apply_ratio(x: f32, d_max: f32, r_start: f32, r_end: f32) -> f32 {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `constant` is never used
[INFO] [stdout]   --> src/curves.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn constant(val: f32) -> CurveFn {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `linear_x` is never used
[INFO] [stdout]   --> src/curves.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn linear_x(min: f32, max: f32) -> CurveFn {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `linear_y` is never used
[INFO] [stdout]   --> src/curves.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn linear_y(min: f32, max: f32) -> CurveFn {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `diagonal` is never used
[INFO] [stdout]   --> src/curves.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn diagonal(min: f32, max: f32) -> CurveFn {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `radiate` is never used
[INFO] [stdout]   --> src/curves.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn radiate(min: f32, max: f32) -> CurveFn {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `radiate_linear` is never used
[INFO] [stdout]   --> src/curves.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn radiate_linear(min: f32, max: f32) -> CurveFn {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/images.rs:94:12
[INFO] [stdout]     |
[INFO] [stdout] 25  | impl Pixel {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 94  |     pub fn hue(h: f32) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 130 |     pub fn complements(self) -> [Self; 2] {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 136 |     pub fn analogous(self) -> [Self; 3] {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 143 |     pub fn triadic(self) -> [Self; 3] {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 150 |     pub fn tetradic(self) -> [Self; 4] {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 163 |     pub fn saturate(&self, s: f32) -> Self {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 168 |     pub fn luminate(&self, l: f32) -> Self {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 215 |     pub fn blend_multiple_no_alpha(pixels: &[&Pixel]) -> Pixel {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ROOT_3` is never used
[INFO] [stdout]  --> src/polygons/hexagon.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const ROOT_3: f64 = 1.732;
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Hexagon` is never constructed
[INFO] [stdout]  --> src/polygons/hexagon.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Hexagon {}
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `from_bounds`, `tessellate`, `tessellation_center_fn`, `regular_bounds`, and `regular_step` are never used
[INFO] [stdout]    --> src/polygons/hexagon.rs:8:12
[INFO] [stdout]     |
[INFO] [stdout] 7   | impl Hexagon {
[INFO] [stdout]     | ------------ associated functions in this implementation
[INFO] [stdout] 8   |     pub fn from_bounds(bounds: &Rectangle) -> Polygon {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60  |     pub fn tessellate(center: &Point, side_len: i32, bounds: &Rectangle) -> Vec<Polygon> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 101 |     pub fn tessellation_center_fn(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 126 |     pub fn regular_bounds(side_len: i32) -> Rectangle {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 133 |     pub fn regular_step(side_len: i32) -> Point {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RectanglePoly` is never constructed
[INFO] [stdout]  --> src/polygons/rectangle.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct RectanglePoly {}
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new`, `from_bbox`, `tessellate`, and `regular_bounds` are never used
[INFO] [stdout]   --> src/polygons/rectangle.rs:6:12
[INFO] [stdout]    |
[INFO] [stdout] 5  | impl RectanglePoly {
[INFO] [stdout]    | ------------------ associated functions in this implementation
[INFO] [stdout] 6  |     pub fn new(bot_left: Point, size: Point) -> Polygon {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub fn from_bbox(bbox: &Rectangle) -> Polygon {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn tessellate(
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     pub fn regular_bounds(side_len: i32) -> Rectangle {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ROOT_3` is never used
[INFO] [stdout]  --> src/regions/mod.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub const ROOT_3: f64 = 1.732;
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_linear` is never used
[INFO] [stdout]   --> src/regions/point.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Point {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn from_linear(value: i32, max_x: i32) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `truncate`, `distance`, and `distance_square` are never used
[INFO] [stdout]   --> src/regions/point.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 78 | impl PointFloat {
[INFO] [stdout]    | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 83 |     pub fn truncate(&self) -> Point {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91 |     pub fn distance(&self, other: &PointFloat) -> f32 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 95 |     pub fn distance_square(&self, other: &PointFloat) -> f32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `center` and `center_on` are never used
[INFO] [stdout]   --> src/regions/rectangle.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl Rectangle {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn center(&self) -> Point {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn center_on(mut self, new_center: &Point) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `MakePolygonFn` is never used
[INFO] [stdout]  --> src/regions/tessellation.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub type MakePolygonFn = fn(bounds: &Rectangle) -> Polygon;
[INFO] [stdout]   |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `CenterFn` is never used
[INFO] [stdout]  --> src/regions/tessellation.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub type CenterFn =
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_standard` is never used
[INFO] [stdout]    --> src/regions/triangle.rs:425:12
[INFO] [stdout]     |
[INFO] [stdout] 424 | impl Triangle {
[INFO] [stdout]     | ------------- associated function in this implementation
[INFO] [stdout] 425 |     pub fn new_standard(p1: Point, p2: Point, p3: Point, orientation: Orientation) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_gradient` is never used
[INFO] [stdout]   --> src/test_shapes.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn test_gradient() -> Vec<Box<dyn Region>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_primitives` is never used
[INFO] [stdout]   --> src/test_shapes.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn test_primitives() -> Vec<Box<dyn Region>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_tessellation` is never used
[INFO] [stdout]    --> src/test_shapes.rs:137:8
[INFO] [stdout]     |
[INFO] [stdout] 137 | pub fn test_tessellation() -> Vec<Box<dyn Region>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/transformers/blended_tessellation.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl BlendedTessellationTF {
[INFO] [stdout]    | -------------------------- associated function in this implementation
[INFO] [stdout] 11 |     pub fn new(tessellation: tess::PolygonTessellation) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/transformers/colored_tessellation.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl ColoredTessellationTF {
[INFO] [stdout]    | -------------------------- associated function in this implementation
[INFO] [stdout] 13 |     pub fn new(tessellation: tess::PolygonTessellation, colors: Vec<Pixel>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/transformers/gradient.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl ColorWaveTF {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 14 |     pub fn new(hue_fn: CurveFn, sat_fn: CurveFn, lum_fn: CurveFn) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/transformers/solid_color.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl SolidColorPolygon {
[INFO] [stdout]    | ---------------------- associated function in this implementation
[INFO] [stdout] 12 |     pub fn new(polygon: Polygon, color: Pixel) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `new_any` are never used
[INFO] [stdout]   --> src/transformers/solid_triangle.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl SolidTriangle {
[INFO] [stdout]    | ------------------ associated functions in this implementation
[INFO] [stdout] 12 |     pub fn new(p1: Point, p2: Point, p3: Point, orientation: Orientation, color: Pixel) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn new_any(p1: Point, p2: Point, p3: Point, color: Pixel) -> Self {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/transformers/solid_triangle.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl SolidRectangle {
[INFO] [stdout]    | ------------------- associated function in this implementation
[INFO] [stdout] 41 |     pub fn new(origin: Point, size: Point, color: Pixel) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `Pixel` instead of cloning the inner type
[INFO] [stdout]   --> src/transformers/blended_tessellation.rs:38:68
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 blended_pixel = blended_pixel.blend(&pixel_to_blind.clone().set_alpha(alpha));
[INFO] [stdout]    |                                                                    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `full_bound_color`
[INFO] [stdout]   --> src/transformers/colored_tessellation.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let full_bound_color = Pixel::hsl(120.0, 1.0, 0.5); // green
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_full_bound_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `standard_bound_color`
[INFO] [stdout]   --> src/transformers/colored_tessellation.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let standard_bound_color = Pixel::hsl(240.0, 1.0, 0.5); // blue
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_standard_bound_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `image`
[INFO] [stdout]   --> src/transformers/solid_color.rs:18:29
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn get_mutations(&self, image: &Image, mutations: &mut Vec<(Point, Pixel)>) {
[INFO] [stdout]    |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_image`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `apply_ratio` is never used
[INFO] [stdout]  --> src/curves.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn apply_ratio(x: f32, d_max: f32, r_start: f32, r_end: f32) -> f32 {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `constant` is never used
[INFO] [stdout]   --> src/curves.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn constant(val: f32) -> CurveFn {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `linear_x` is never used
[INFO] [stdout]   --> src/curves.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn linear_x(min: f32, max: f32) -> CurveFn {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `linear_y` is never used
[INFO] [stdout]   --> src/curves.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn linear_y(min: f32, max: f32) -> CurveFn {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `diagonal` is never used
[INFO] [stdout]   --> src/curves.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn diagonal(min: f32, max: f32) -> CurveFn {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `radiate` is never used
[INFO] [stdout]   --> src/curves.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn radiate(min: f32, max: f32) -> CurveFn {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `radiate_linear` is never used
[INFO] [stdout]   --> src/curves.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn radiate_linear(min: f32, max: f32) -> CurveFn {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/images.rs:94:12
[INFO] [stdout]     |
[INFO] [stdout] 25  | impl Pixel {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 94  |     pub fn hue(h: f32) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 130 |     pub fn complements(self) -> [Self; 2] {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 136 |     pub fn analogous(self) -> [Self; 3] {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 143 |     pub fn triadic(self) -> [Self; 3] {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 150 |     pub fn tetradic(self) -> [Self; 4] {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 163 |     pub fn saturate(&self, s: f32) -> Self {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 168 |     pub fn luminate(&self, l: f32) -> Self {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 215 |     pub fn blend_multiple_no_alpha(pixels: &[&Pixel]) -> Pixel {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ROOT_3` is never used
[INFO] [stdout]  --> src/polygons/hexagon.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const ROOT_3: f64 = 1.732;
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Hexagon` is never constructed
[INFO] [stdout]  --> src/polygons/hexagon.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Hexagon {}
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `from_bounds`, `tessellate`, `tessellation_center_fn`, `regular_bounds`, and `regular_step` are never used
[INFO] [stdout]    --> src/polygons/hexagon.rs:8:12
[INFO] [stdout]     |
[INFO] [stdout] 7   | impl Hexagon {
[INFO] [stdout]     | ------------ associated functions in this implementation
[INFO] [stdout] 8   |     pub fn from_bounds(bounds: &Rectangle) -> Polygon {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60  |     pub fn tessellate(center: &Point, side_len: i32, bounds: &Rectangle) -> Vec<Polygon> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 101 |     pub fn tessellation_center_fn(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 126 |     pub fn regular_bounds(side_len: i32) -> Rectangle {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 133 |     pub fn regular_step(side_len: i32) -> Point {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RectanglePoly` is never constructed
[INFO] [stdout]  --> src/polygons/rectangle.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct RectanglePoly {}
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new`, `from_bbox`, `tessellate`, and `regular_bounds` are never used
[INFO] [stdout]   --> src/polygons/rectangle.rs:6:12
[INFO] [stdout]    |
[INFO] [stdout] 5  | impl RectanglePoly {
[INFO] [stdout]    | ------------------ associated functions in this implementation
[INFO] [stdout] 6  |     pub fn new(bot_left: Point, size: Point) -> Polygon {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub fn from_bbox(bbox: &Rectangle) -> Polygon {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn tessellate(
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     pub fn regular_bounds(side_len: i32) -> Rectangle {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ROOT_3` is never used
[INFO] [stdout]  --> src/regions/mod.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub const ROOT_3: f64 = 1.732;
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_linear` is never used
[INFO] [stdout]   --> src/regions/point.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Point {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn from_linear(value: i32, max_x: i32) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `truncate`, `distance`, and `distance_square` are never used
[INFO] [stdout]   --> src/regions/point.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 78 | impl PointFloat {
[INFO] [stdout]    | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 83 |     pub fn truncate(&self) -> Point {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91 |     pub fn distance(&self, other: &PointFloat) -> f32 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 95 |     pub fn distance_square(&self, other: &PointFloat) -> f32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `center` and `center_on` are never used
[INFO] [stdout]   --> src/regions/rectangle.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl Rectangle {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn center(&self) -> Point {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn center_on(mut self, new_center: &Point) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `MakePolygonFn` is never used
[INFO] [stdout]  --> src/regions/tessellation.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub type MakePolygonFn = fn(bounds: &Rectangle) -> Polygon;
[INFO] [stdout]   |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `CenterFn` is never used
[INFO] [stdout]  --> src/regions/tessellation.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub type CenterFn =
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_standard` is never used
[INFO] [stdout]    --> src/regions/triangle.rs:425:12
[INFO] [stdout]     |
[INFO] [stdout] 424 | impl Triangle {
[INFO] [stdout]     | ------------- associated function in this implementation
[INFO] [stdout] 425 |     pub fn new_standard(p1: Point, p2: Point, p3: Point, orientation: Orientation) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_gradient` is never used
[INFO] [stdout]   --> src/test_shapes.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn test_gradient() -> Vec<Box<dyn Region>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_primitives` is never used
[INFO] [stdout]   --> src/test_shapes.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn test_primitives() -> Vec<Box<dyn Region>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_tessellation` is never used
[INFO] [stdout]    --> src/test_shapes.rs:137:8
[INFO] [stdout]     |
[INFO] [stdout] 137 | pub fn test_tessellation() -> Vec<Box<dyn Region>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/transformers/blended_tessellation.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl BlendedTessellationTF {
[INFO] [stdout]    | -------------------------- associated function in this implementation
[INFO] [stdout] 11 |     pub fn new(tessellation: tess::PolygonTessellation) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/transformers/colored_tessellation.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl ColoredTessellationTF {
[INFO] [stdout]    | -------------------------- associated function in this implementation
[INFO] [stdout] 13 |     pub fn new(tessellation: tess::PolygonTessellation, colors: Vec<Pixel>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/transformers/gradient.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl ColorWaveTF {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 14 |     pub fn new(hue_fn: CurveFn, sat_fn: CurveFn, lum_fn: CurveFn) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/transformers/solid_color.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl SolidColorPolygon {
[INFO] [stdout]    | ---------------------- associated function in this implementation
[INFO] [stdout] 12 |     pub fn new(polygon: Polygon, color: Pixel) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `new_any` are never used
[INFO] [stdout]   --> src/transformers/solid_triangle.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl SolidTriangle {
[INFO] [stdout]    | ------------------ associated functions in this implementation
[INFO] [stdout] 12 |     pub fn new(p1: Point, p2: Point, p3: Point, orientation: Orientation, color: Pixel) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn new_any(p1: Point, p2: Point, p3: Point, color: Pixel) -> Self {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/transformers/solid_triangle.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl SolidRectangle {
[INFO] [stdout]    | ------------------- associated function in this implementation
[INFO] [stdout] 41 |     pub fn new(origin: Point, size: Point, color: Pixel) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `Pixel` instead of cloning the inner type
[INFO] [stdout]   --> src/transformers/blended_tessellation.rs:38:68
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 blended_pixel = blended_pixel.blend(&pixel_to_blind.clone().set_alpha(alpha));
[INFO] [stdout]    |                                                                    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "d8406242d8a985e9eda82cc1756477b895f2c258c139ae43c061b533b7b74dd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8406242d8a985e9eda82cc1756477b895f2c258c139ae43c061b533b7b74dd6", kill_on_drop: false }`
[INFO] [stdout] d8406242d8a985e9eda82cc1756477b895f2c258c139ae43c061b533b7b74dd6