[INFO] cloning repository https://github.com/jakobwesthoff/img_dither
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jakobwesthoff/img_dither" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakobwesthoff%2Fimg_dither", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakobwesthoff%2Fimg_dither'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e26d7dd9789ee183dc9e66a8f0753616e1231c8a
[INFO] building jakobwesthoff/img_dither against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakobwesthoff%2Fimg_dither" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jakobwesthoff/img_dither on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jakobwesthoff/img_dither
[INFO] finished tweaking git repo https://github.com/jakobwesthoff/img_dither
[INFO] tweaked toml for git repo https://github.com/jakobwesthoff/img_dither written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jakobwesthoff/img_dither 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stb_image v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f05c8794fdf8ec88860ce5189369a68a5c4f0fbf5f18656bea165de545f6466c
[INFO] running `Command { std: "docker" "start" "-a" "f05c8794fdf8ec88860ce5189369a68a5c4f0fbf5f18656bea165de545f6466c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f05c8794fdf8ec88860ce5189369a68a5c4f0fbf5f18656bea165de545f6466c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f05c8794fdf8ec88860ce5189369a68a5c4f0fbf5f18656bea165de545f6466c", kill_on_drop: false }`
[INFO] [stdout] f05c8794fdf8ec88860ce5189369a68a5c4f0fbf5f18656bea165de545f6466c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53c6c4d1766caefad01be7811071a18336b02c0d6336d60fded60f4e0f108cba
[INFO] running `Command { std: "docker" "start" "-a" "53c6c4d1766caefad01be7811071a18336b02c0d6336d60fded60f4e0f108cba", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling rust_stb_image_write v0.1.0 (/opt/rustwide/workdir/rust_stb_image_write)
[INFO] [stderr]    Compiling stb_image v0.3.0
[INFO] [stderr]    Compiling anyhow v1.0.82
[INFO] [stdout] warning: type `stbi_write_func` should have an upper camel case name
[INFO] [stdout]   --> rust_stb_image_write/src/stb_image_write.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub type stbi_write_func = ::std::option::Option<
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `StbiWriteFunc`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `stbi_write_func` is never used
[INFO] [stdout]   --> rust_stb_image_write/src/stb_image_write.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub type stbi_write_func = ::std::option::Option<
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `stbi_write_bmp` is never used
[INFO] [stdout]   --> rust_stb_image_write/src/stb_image_write.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn stbi_write_bmp(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `stbi_write_tga` is never used
[INFO] [stdout]   --> rust_stb_image_write/src/stb_image_write.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn stbi_write_tga(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `stbi_write_hdr` is never used
[INFO] [stdout]   --> rust_stb_image_write/src/stb_image_write.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn stbi_write_hdr(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `stbi_write_jpg` is never used
[INFO] [stdout]   --> rust_stb_image_write/src/stb_image_write.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn stbi_write_jpg(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `stbi_write_png_to_func` is never used
[INFO] [stdout]   --> rust_stb_image_write/src/stb_image_write.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn stbi_write_png_to_func(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `stbi_write_bmp_to_func` is never used
[INFO] [stdout]   --> rust_stb_image_write/src/stb_image_write.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn stbi_write_bmp_to_func(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `stbi_write_tga_to_func` is never used
[INFO] [stdout]   --> rust_stb_image_write/src/stb_image_write.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn stbi_write_tga_to_func(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `stbi_write_hdr_to_func` is never used
[INFO] [stdout]   --> rust_stb_image_write/src/stb_image_write.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn stbi_write_hdr_to_func(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `stbi_write_jpg_to_func` is never used
[INFO] [stdout]   --> rust_stb_image_write/src/stb_image_write.rs:99:12
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn stbi_write_jpg_to_func(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `stbi_flip_vertically_on_write` is never used
[INFO] [stdout]    --> rust_stb_image_write/src/stb_image_write.rs:110:12
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn stbi_flip_vertically_on_write(flip_boolean: ::std::os::raw::c_int);
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling img_dither v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `resizing::resize_lanczos`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use resizing::resize_lanczos;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ColorAsByteSlice` is never used
[INFO] [stdout]   --> src/color.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | trait ColorAsByteSlice {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from_bytes`, `as_bytes`, and `as_hsl` are never used
[INFO] [stdout]   --> src/color.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl Color {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 27 |     pub fn from_bytes(bytes: &[u8]) -> &[Self] {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn as_bytes(&self) -> &[u8] {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn as_hsl(&self) -> HslColor {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/color.rs:187:12
[INFO] [stdout]     |
[INFO] [stdout] 186 | impl HslColor {
[INFO] [stdout]     | ------------- associated function in this implementation
[INFO] [stdout] 187 |     pub fn new(h: f64, s: f64, l: f64) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sinc` is never used
[INFO] [stdout]  --> src/resizing.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn sinc(x: f64) -> f64 {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lanczos` is never used
[INFO] [stdout]   --> src/resizing.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn lanczos(x: f64, a: f64) -> f64 {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lanczos2d` is never used
[INFO] [stdout]   --> src/resizing.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn lanczos2d(x: f64, y: f64, a: f64) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `resize_lanczos` is never used
[INFO] [stdout]   --> src/resizing.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn resize_lanczos(image: &Image, new_width: usize, new_height: usize, a: f64) -> Result<Image> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.71s
[INFO] running `Command { std: "docker" "inspect" "53c6c4d1766caefad01be7811071a18336b02c0d6336d60fded60f4e0f108cba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53c6c4d1766caefad01be7811071a18336b02c0d6336d60fded60f4e0f108cba", kill_on_drop: false }`
[INFO] [stdout] 53c6c4d1766caefad01be7811071a18336b02c0d6336d60fded60f4e0f108cba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16b0d6de97f35d0932b4d18b526017f35257d6637492723336fbef4c459f717a
[INFO] running `Command { std: "docker" "start" "-a" "16b0d6de97f35d0932b4d18b526017f35257d6637492723336fbef4c459f717a", kill_on_drop: false }`
[INFO] [stdout] warning: type `stbi_write_func` should have an upper camel case name
[INFO] [stdout]   --> rust_stb_image_write/src/stb_image_write.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub type stbi_write_func = ::std::option::Option<
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `StbiWriteFunc`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `stbi_write_func` is never used
[INFO] [stdout]   --> rust_stb_image_write/src/stb_image_write.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub type stbi_write_func = ::std::option::Option<
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `stbi_write_bmp` is never used
[INFO] [stdout]   --> rust_stb_image_write/src/stb_image_write.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn stbi_write_bmp(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `stbi_write_tga` is never used
[INFO] [stdout]   --> rust_stb_image_write/src/stb_image_write.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn stbi_write_tga(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `stbi_write_hdr` is never used
[INFO] [stdout]   --> rust_stb_image_write/src/stb_image_write.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn stbi_write_hdr(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `stbi_write_jpg` is never used
[INFO] [stdout]   --> rust_stb_image_write/src/stb_image_write.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn stbi_write_jpg(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `stbi_write_png_to_func` is never used
[INFO] [stdout]   --> rust_stb_image_write/src/stb_image_write.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn stbi_write_png_to_func(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `stbi_write_bmp_to_func` is never used
[INFO] [stdout]   --> rust_stb_image_write/src/stb_image_write.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn stbi_write_bmp_to_func(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `stbi_write_tga_to_func` is never used
[INFO] [stdout]   --> rust_stb_image_write/src/stb_image_write.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn stbi_write_tga_to_func(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `stbi_write_hdr_to_func` is never used
[INFO] [stdout]   --> rust_stb_image_write/src/stb_image_write.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn stbi_write_hdr_to_func(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `stbi_write_jpg_to_func` is never used
[INFO] [stdout]   --> rust_stb_image_write/src/stb_image_write.rs:99:12
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn stbi_write_jpg_to_func(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `stbi_flip_vertically_on_write` is never used
[INFO] [stdout]    --> rust_stb_image_write/src/stb_image_write.rs:110:12
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn stbi_flip_vertically_on_write(flip_boolean: ::std::os::raw::c_int);
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling img_dither v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `resizing::resize_lanczos`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use resizing::resize_lanczos;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ColorAsByteSlice` is never used
[INFO] [stdout]   --> src/color.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | trait ColorAsByteSlice {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from_bytes`, `as_bytes`, and `as_hsl` are never used
[INFO] [stdout]   --> src/color.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl Color {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 27 |     pub fn from_bytes(bytes: &[u8]) -> &[Self] {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn as_bytes(&self) -> &[u8] {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn as_hsl(&self) -> HslColor {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/color.rs:187:12
[INFO] [stdout]     |
[INFO] [stdout] 186 | impl HslColor {
[INFO] [stdout]     | ------------- associated function in this implementation
[INFO] [stdout] 187 |     pub fn new(h: f64, s: f64, l: f64) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sinc` is never used
[INFO] [stdout]  --> src/resizing.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn sinc(x: f64) -> f64 {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lanczos` is never used
[INFO] [stdout]   --> src/resizing.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn lanczos(x: f64, a: f64) -> f64 {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lanczos2d` is never used
[INFO] [stdout]   --> src/resizing.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn lanczos2d(x: f64, y: f64, a: f64) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `resize_lanczos` is never used
[INFO] [stdout]   --> src/resizing.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn resize_lanczos(image: &Image, new_width: usize, new_height: usize, a: f64) -> Result<Image> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "16b0d6de97f35d0932b4d18b526017f35257d6637492723336fbef4c459f717a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16b0d6de97f35d0932b4d18b526017f35257d6637492723336fbef4c459f717a", kill_on_drop: false }`
[INFO] [stdout] 16b0d6de97f35d0932b4d18b526017f35257d6637492723336fbef4c459f717a