[INFO] cloning repository https://github.com/uek-1/pngpeg
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/uek-1/pngpeg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuek-1%2Fpngpeg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuek-1%2Fpngpeg'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a7efed94148a71fb192cba9786048a2b02451edc
[INFO] testing uek-1/pngpeg against beta-2026-03-05 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuek-1%2Fpngpeg" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/uek-1/pngpeg
[INFO] finished tweaking git repo https://github.com/uek-1/pngpeg
[INFO] tweaked toml for git repo https://github.com/uek-1/pngpeg written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/uek-1/pngpeg on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/uek-1/pngpeg 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" "+beta-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8676e96a885beb991a3931686dde7169167f8b44b75eab5c53e706de605d47a7
[INFO] running `Command { std: "docker" "start" "-a" "8676e96a885beb991a3931686dde7169167f8b44b75eab5c53e706de605d47a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8676e96a885beb991a3931686dde7169167f8b44b75eab5c53e706de605d47a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8676e96a885beb991a3931686dde7169167f8b44b75eab5c53e706de605d47a7", kill_on_drop: false }`
[INFO] [stdout] 8676e96a885beb991a3931686dde7169167f8b44b75eab5c53e706de605d47a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7afc522de26dab58c9361f3e146d70c2be35e76630aeec35523369f562609bb
[INFO] running `Command { std: "docker" "start" "-a" "c7afc522de26dab58c9361f3e146d70c2be35e76630aeec35523369f562609bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling pngpeg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ColorType` and `Pixel`
[INFO] [stdout]  --> src/jpeg.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{pixel::{Pixel, Pixels, ColorType}, png::DecPng};
[INFO] [stdout]   |                     ^^^^^          ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/jpeg.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils`
[INFO] [stdout]  --> src/jpeg.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::utils;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DecJpeg` and `EncJpeg`
[INFO] [stdout]  --> src/main.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | use jpeg::{EncJpeg, DecJpeg};
[INFO] [stdout]   |            ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pixels`
[INFO] [stdout]   --> src/jpeg.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn from(pixels : Pixels) -> JpegBlocks {
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_pixels`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `blocks`
[INFO] [stdout]    --> src/jpeg.rs:139:13
[INFO] [stdout]     |
[INFO] [stdout] 139 |         let blocks = JpegBlocks::from(subsampled);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_blocks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `zig_zag`
[INFO] [stdout]    --> src/utils.rs:992:27
[INFO] [stdout]     |
[INFO] [stdout] 992 | pub fn create_jpeg_stream(zig_zag: Vec<i32>, prev_dc : i32) -> Vec<u8> {
[INFO] [stdout]     |                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_zig_zag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prev_dc`
[INFO] [stdout]    --> src/utils.rs:992:46
[INFO] [stdout]     |
[INFO] [stdout] 992 | pub fn create_jpeg_stream(zig_zag: Vec<i32>, prev_dc : i32) -> Vec<u8> {
[INFO] [stdout]     |                                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prev_dc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Png` is never used
[INFO] [stdout]  --> src/png.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum Png {
[INFO] [stdout]   |          ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `set_scanlines`, and `get_scanlines` are never used
[INFO] [stdout]    --> src/png.rs:271:12
[INFO] [stdout]     |
[INFO] [stdout] 270 | impl DecPng {
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout] 271 |     pub fn new() -> DecPng {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 275 |     pub fn set_scanlines(&mut self, scanlines: Vec<Vec<Pixel>>) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 279 |     pub fn get_scanlines(&self) -> Pixels {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `JpegBlock` is never constructed
[INFO] [stdout]  --> src/jpeg.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct JpegBlock {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/jpeg.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl JpegBlock {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 12 |     pub fn new(luma : Vec<Vec<u8>>, diff_blue : Vec<Vec<u8>>, diff_red : Vec<Vec<u8>>) -> JpegBlock {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `JpegBlocks` is never constructed
[INFO] [stdout]   --> src/jpeg.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct JpegBlocks(Vec<JpegBlock>);
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EncJpeg` is never constructed
[INFO] [stdout]   --> src/jpeg.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct EncJpeg {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `write_to_path` is never used
[INFO] [stdout]   --> src/jpeg.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl EncJpeg {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 38 |     pub fn write_to_path(&self, path : String) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DecJpeg` is never constructed
[INFO] [stdout]    --> src/jpeg.rs:150:12
[INFO] [stdout]     |
[INFO] [stdout] 150 | pub struct DecJpeg {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `write_bits` and `print_current_byte` are never used
[INFO] [stdout]    --> src/utils.rs:92:12
[INFO] [stdout]     |
[INFO] [stdout]  29 | impl Bits {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  92 |     pub fn write_bits(&mut self, input: u32, num : usize) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 129 |     pub fn print_current_byte(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_dct_matrix` is never used
[INFO] [stdout]    --> src/utils.rs:868:4
[INFO] [stdout]     |
[INFO] [stdout] 868 | fn generate_dct_matrix() -> Vec<Vec<f64>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dct` is never used
[INFO] [stdout]    --> src/utils.rs:881:8
[INFO] [stdout]     |
[INFO] [stdout] 881 | pub fn dct(block: Vec<Vec<u8>>) -> Vec<Vec<i32>> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `quantize_luma` is never used
[INFO] [stdout]    --> src/utils.rs:915:8
[INFO] [stdout]     |
[INFO] [stdout] 915 | pub fn quantize_luma(block: Vec<Vec<i32>>) -> Vec<Vec<i32>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `quantize_chrom` is never used
[INFO] [stdout]    --> src/utils.rs:941:8
[INFO] [stdout]     |
[INFO] [stdout] 941 | pub fn quantize_chrom(block: Vec<Vec<i32>>) -> Vec<Vec<i32>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `zig_zag` is never used
[INFO] [stdout]    --> src/utils.rs:968:8
[INFO] [stdout]     |
[INFO] [stdout] 968 | pub fn zig_zag<T : Copy>(matrix : Vec<Vec<T>>) -> Vec<T> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_jpeg_stream` is never used
[INFO] [stdout]    --> src/utils.rs:992:8
[INFO] [stdout]     |
[INFO] [stdout] 992 | pub fn create_jpeg_stream(zig_zag: Vec<i32>, prev_dc : i32) -> Vec<u8> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SubtractAmount` is never used
[INFO] [stdout]     --> src/utils.rs:1039:7
[INFO] [stdout]      |
[INFO] [stdout] 1039 | trait SubtractAmount<T> {
[INFO] [stdout]      |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MatrixMultiply` is never used
[INFO] [stdout]     --> src/utils.rs:1043:7
[INFO] [stdout]      |
[INFO] [stdout] 1043 | trait MatrixMultiply<T : Mul<Output = T> + Add<Output = T> +  From<u8> + Copy> {
[INFO] [stdout]      |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Transpose` is never used
[INFO] [stdout]     --> src/utils.rs:1052:7
[INFO] [stdout]      |
[INFO] [stdout] 1052 | trait Transpose<T> {
[INFO] [stdout]      |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `YCbCr` is never constructed
[INFO] [stdout]   --> src/pixel.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub enum ColorType {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 10 |     YCbCr,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ColorType` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `channels` is never read
[INFO] [stdout]   --> src/pixel.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct Pixel {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 39 |     color_type : ColorType,
[INFO] [stdout] 40 |     channels : usize,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Pixel` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `rgb_to_ycbcr` and `to_ycbcr` are never used
[INFO] [stdout]    --> src/pixel.rs:64:8
[INFO] [stdout]     |
[INFO] [stdout]  44 | impl Pixel {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  64 |     fn rgb_to_ycbcr(r: u8, g: u8, b: u8) -> Vec<u8> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |     pub fn to_ycbcr(&self) -> Pixel {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `to_ycbcr` and `subsample_ycbcr` are never used
[INFO] [stdout]    --> src/pixel.rs:159:12
[INFO] [stdout]     |
[INFO] [stdout] 125 | impl Pixels {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 159 |     pub fn to_ycbcr(&self) -> Pixels {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 173 |     pub fn subsample_ycbcr(&self) -> Pixels {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/jpeg.rs:129:9
[INFO] [stdout]     |
[INFO] [stdout] 129 |         std::fs::write(path, write_bytes);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 129 |         let _ = std::fs::write(path, write_bytes);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.81s
[INFO] running `Command { std: "docker" "inspect" "c7afc522de26dab58c9361f3e146d70c2be35e76630aeec35523369f562609bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7afc522de26dab58c9361f3e146d70c2be35e76630aeec35523369f562609bb", kill_on_drop: false }`
[INFO] [stdout] c7afc522de26dab58c9361f3e146d70c2be35e76630aeec35523369f562609bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26640bd036f7c3f10544235815366891934681b684800d976f79992d4fb8a326
[INFO] running `Command { std: "docker" "start" "-a" "26640bd036f7c3f10544235815366891934681b684800d976f79992d4fb8a326", kill_on_drop: false }`
[INFO] [stderr]    Compiling pngpeg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ColorType` and `Pixel`
[INFO] [stdout]  --> src/jpeg.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{pixel::{Pixel, Pixels, ColorType}, png::DecPng};
[INFO] [stdout]   |                     ^^^^^          ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/jpeg.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils`
[INFO] [stdout]  --> src/jpeg.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::utils;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DecJpeg` and `EncJpeg`
[INFO] [stdout]  --> src/main.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | use jpeg::{EncJpeg, DecJpeg};
[INFO] [stdout]   |            ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pixels`
[INFO] [stdout]   --> src/jpeg.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn from(pixels : Pixels) -> JpegBlocks {
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_pixels`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `blocks`
[INFO] [stdout]    --> src/jpeg.rs:139:13
[INFO] [stdout]     |
[INFO] [stdout] 139 |         let blocks = JpegBlocks::from(subsampled);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_blocks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `zig_zag`
[INFO] [stdout]    --> src/utils.rs:992:27
[INFO] [stdout]     |
[INFO] [stdout] 992 | pub fn create_jpeg_stream(zig_zag: Vec<i32>, prev_dc : i32) -> Vec<u8> {
[INFO] [stdout]     |                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_zig_zag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prev_dc`
[INFO] [stdout]    --> src/utils.rs:992:46
[INFO] [stdout]     |
[INFO] [stdout] 992 | pub fn create_jpeg_stream(zig_zag: Vec<i32>, prev_dc : i32) -> Vec<u8> {
[INFO] [stdout]     |                                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prev_dc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/utils.rs:1085:13
[INFO] [stdout]      |
[INFO] [stdout] 1085 |         let mut count : u8 = 0;
[INFO] [stdout]      |             ----^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `subtracted`
[INFO] [stdout]     --> src/utils.rs:1093:13
[INFO] [stdout]      |
[INFO] [stdout] 1093 |         let subtracted = matrix.subtract_amount(5);
[INFO] [stdout]      |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_subtracted`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Png` is never used
[INFO] [stdout]  --> src/png.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum Png {
[INFO] [stdout]   |          ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `set_scanlines`, and `get_scanlines` are never used
[INFO] [stdout]    --> src/png.rs:271:12
[INFO] [stdout]     |
[INFO] [stdout] 270 | impl DecPng {
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout] 271 |     pub fn new() -> DecPng {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 275 |     pub fn set_scanlines(&mut self, scanlines: Vec<Vec<Pixel>>) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 279 |     pub fn get_scanlines(&self) -> Pixels {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `JpegBlock` is never constructed
[INFO] [stdout]  --> src/jpeg.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct JpegBlock {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/jpeg.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl JpegBlock {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 12 |     pub fn new(luma : Vec<Vec<u8>>, diff_blue : Vec<Vec<u8>>, diff_red : Vec<Vec<u8>>) -> JpegBlock {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `JpegBlocks` is never constructed
[INFO] [stdout]   --> src/jpeg.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct JpegBlocks(Vec<JpegBlock>);
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EncJpeg` is never constructed
[INFO] [stdout]   --> src/jpeg.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct EncJpeg {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `write_to_path` is never used
[INFO] [stdout]   --> src/jpeg.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl EncJpeg {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 38 |     pub fn write_to_path(&self, path : String) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DecJpeg` is never constructed
[INFO] [stdout]    --> src/jpeg.rs:150:12
[INFO] [stdout]     |
[INFO] [stdout] 150 | pub struct DecJpeg {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_jpeg_test` is never used
[INFO] [stdout]    --> src/jpeg.rs:173:8
[INFO] [stdout]     |
[INFO] [stdout] 173 |     fn write_jpeg_test() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print_current_byte` is never used
[INFO] [stdout]    --> src/utils.rs:129:12
[INFO] [stdout]     |
[INFO] [stdout]  29 | impl Bits {
[INFO] [stdout]     | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 129 |     pub fn print_current_byte(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dct` is never used
[INFO] [stdout]    --> src/utils.rs:881:8
[INFO] [stdout]     |
[INFO] [stdout] 881 | pub fn dct(block: Vec<Vec<u8>>) -> Vec<Vec<i32>> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `quantize_luma` is never used
[INFO] [stdout]    --> src/utils.rs:915:8
[INFO] [stdout]     |
[INFO] [stdout] 915 | pub fn quantize_luma(block: Vec<Vec<i32>>) -> Vec<Vec<i32>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `quantize_chrom` is never used
[INFO] [stdout]    --> src/utils.rs:941:8
[INFO] [stdout]     |
[INFO] [stdout] 941 | pub fn quantize_chrom(block: Vec<Vec<i32>>) -> Vec<Vec<i32>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_jpeg_stream` is never used
[INFO] [stdout]    --> src/utils.rs:992:8
[INFO] [stdout]     |
[INFO] [stdout] 992 | pub fn create_jpeg_stream(zig_zag: Vec<i32>, prev_dc : i32) -> Vec<u8> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SubtractAmount` is never used
[INFO] [stdout]     --> src/utils.rs:1039:7
[INFO] [stdout]      |
[INFO] [stdout] 1039 | trait SubtractAmount<T> {
[INFO] [stdout]      |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MatrixMultiply` is never used
[INFO] [stdout]     --> src/utils.rs:1043:7
[INFO] [stdout]      |
[INFO] [stdout] 1043 | trait MatrixMultiply<T : Mul<Output = T> + Add<Output = T> +  From<u8> + Copy> {
[INFO] [stdout]      |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_dct` is never used
[INFO] [stdout]     --> src/utils.rs:1083:8
[INFO] [stdout]      |
[INFO] [stdout] 1083 |     fn check_dct() {
[INFO] [stdout]      |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `YCbCr` is never constructed
[INFO] [stdout]   --> src/pixel.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub enum ColorType {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 10 |     YCbCr,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ColorType` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `channels` is never read
[INFO] [stdout]   --> src/pixel.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct Pixel {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 39 |     color_type : ColorType,
[INFO] [stdout] 40 |     channels : usize,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Pixel` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_ycbcr` is never used
[INFO] [stdout]    --> src/pixel.rs:107:12
[INFO] [stdout]     |
[INFO] [stdout]  44 | impl Pixel {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 107 |     pub fn to_ycbcr(&self) -> Pixel {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `to_ycbcr` and `subsample_ycbcr` are never used
[INFO] [stdout]    --> src/pixel.rs:159:12
[INFO] [stdout]     |
[INFO] [stdout] 125 | impl Pixels {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 159 |     pub fn to_ycbcr(&self) -> Pixels {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 173 |     pub fn subsample_ycbcr(&self) -> Pixels {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/jpeg.rs:129:9
[INFO] [stdout]     |
[INFO] [stdout] 129 |         std::fs::write(path, write_bytes);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 129 |         let _ = std::fs::write(path, write_bytes);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "26640bd036f7c3f10544235815366891934681b684800d976f79992d4fb8a326", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26640bd036f7c3f10544235815366891934681b684800d976f79992d4fb8a326", kill_on_drop: false }`
[INFO] [stdout] 26640bd036f7c3f10544235815366891934681b684800d976f79992d4fb8a326
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ff389db98be37c1ce67d5a0ce9dc71d273c0e664d5a58ae6a66b476e470e87f0
[INFO] running `Command { std: "docker" "start" "-a" "ff389db98be37c1ce67d5a0ce9dc71d273c0e664d5a58ae6a66b476e470e87f0", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `ColorType` and `Pixel`
[INFO] [stderr]  --> src/jpeg.rs:1:21
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::{pixel::{Pixel, Pixels, ColorType}, png::DecPng};
[INFO] [stderr]   |                     ^^^^^          ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]  --> src/jpeg.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fs;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::utils`
[INFO] [stderr]  --> src/jpeg.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::utils;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `DecJpeg` and `EncJpeg`
[INFO] [stderr]  --> src/main.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 | use jpeg::{EncJpeg, DecJpeg};
[INFO] [stderr]   |            ^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pixels`
[INFO] [stderr]   --> src/jpeg.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn from(pixels : Pixels) -> JpegBlocks {
[INFO] [stderr]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_pixels`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `blocks`
[INFO] [stderr]    --> src/jpeg.rs:139:13
[INFO] [stderr]     |
[INFO] [stderr] 139 |         let blocks = JpegBlocks::from(subsampled);
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_blocks`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `zig_zag`
[INFO] [stderr]    --> src/utils.rs:992:27
[INFO] [stderr]     |
[INFO] [stderr] 992 | pub fn create_jpeg_stream(zig_zag: Vec<i32>, prev_dc : i32) -> Vec<u8> {
[INFO] [stderr]     |                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_zig_zag`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `prev_dc`
[INFO] [stderr]    --> src/utils.rs:992:46
[INFO] [stderr]     |
[INFO] [stderr] 992 | pub fn create_jpeg_stream(zig_zag: Vec<i32>, prev_dc : i32) -> Vec<u8> {
[INFO] [stderr]     |                                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prev_dc`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/utils.rs:1085:13
[INFO] [stderr]      |
[INFO] [stderr] 1085 |         let mut count : u8 = 0;
[INFO] [stderr]      |             ----^^^^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `subtracted`
[INFO] [stderr]     --> src/utils.rs:1093:13
[INFO] [stderr]      |
[INFO] [stderr] 1093 |         let subtracted = matrix.subtract_amount(5);
[INFO] [stderr]      |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_subtracted`
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Png` is never used
[INFO] [stderr]  --> src/png.rs:6:10
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub enum Png {
[INFO] [stderr]   |          ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `set_scanlines`, and `get_scanlines` are never used
[INFO] [stderr]    --> src/png.rs:271:12
[INFO] [stderr]     |
[INFO] [stderr] 270 | impl DecPng {
[INFO] [stderr]     | ----------- associated items in this implementation
[INFO] [stderr] 271 |     pub fn new() -> DecPng {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 275 |     pub fn set_scanlines(&mut self, scanlines: Vec<Vec<Pixel>>) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 279 |     pub fn get_scanlines(&self) -> Pixels {
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `JpegBlock` is never constructed
[INFO] [stderr]  --> src/jpeg.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct JpegBlock {
[INFO] [stderr]   |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/jpeg.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl JpegBlock {
[INFO] [stderr]    | -------------- associated function in this implementation
[INFO] [stderr] 12 |     pub fn new(luma : Vec<Vec<u8>>, diff_blue : Vec<Vec<u8>>, diff_red : Vec<Vec<u8>>) -> JpegBlock {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `JpegBlocks` is never constructed
[INFO] [stderr]   --> src/jpeg.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub struct JpegBlocks(Vec<JpegBlock>);
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `EncJpeg` is never constructed
[INFO] [stderr]   --> src/jpeg.rs:33:12
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub struct EncJpeg {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `write_to_path` is never used
[INFO] [stderr]   --> src/jpeg.rs:38:12
[INFO] [stderr]    |
[INFO] [stderr] 37 | impl EncJpeg {
[INFO] [stderr]    | ------------ method in this implementation
[INFO] [stderr] 38 |     pub fn write_to_path(&self, path : String) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `DecJpeg` is never constructed
[INFO] [stderr]    --> src/jpeg.rs:150:12
[INFO] [stderr]     |
[INFO] [stderr] 150 | pub struct DecJpeg {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `write_jpeg_test` is never used
[INFO] [stderr]    --> src/jpeg.rs:173:8
[INFO] [stderr]     |
[INFO] [stderr] 173 |     fn write_jpeg_test() {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `print_current_byte` is never used
[INFO] [stderr]    --> src/utils.rs:129:12
[INFO] [stderr]     |
[INFO] [stderr]  29 | impl Bits {
[INFO] [stderr]     | --------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 129 |     pub fn print_current_byte(&mut self) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `dct` is never used
[INFO] [stderr]    --> src/utils.rs:881:8
[INFO] [stderr]     |
[INFO] [stderr] 881 | pub fn dct(block: Vec<Vec<u8>>) -> Vec<Vec<i32>> {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `quantize_luma` is never used
[INFO] [stderr]    --> src/utils.rs:915:8
[INFO] [stderr]     |
[INFO] [stderr] 915 | pub fn quantize_luma(block: Vec<Vec<i32>>) -> Vec<Vec<i32>> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `quantize_chrom` is never used
[INFO] [stderr]    --> src/utils.rs:941:8
[INFO] [stderr]     |
[INFO] [stderr] 941 | pub fn quantize_chrom(block: Vec<Vec<i32>>) -> Vec<Vec<i32>> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `create_jpeg_stream` is never used
[INFO] [stderr]    --> src/utils.rs:992:8
[INFO] [stderr]     |
[INFO] [stderr] 992 | pub fn create_jpeg_stream(zig_zag: Vec<i32>, prev_dc : i32) -> Vec<u8> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `SubtractAmount` is never used
[INFO] [stderr]     --> src/utils.rs:1039:7
[INFO] [stderr]      |
[INFO] [stderr] 1039 | trait SubtractAmount<T> {
[INFO] [stderr]      |       ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `MatrixMultiply` is never used
[INFO] [stderr]     --> src/utils.rs:1043:7
[INFO] [stderr]      |
[INFO] [stderr] 1043 | trait MatrixMultiply<T : Mul<Output = T> + Add<Output = T> +  From<u8> + Copy> {
[INFO] [stderr]      |       ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `check_dct` is never used
[INFO] [stderr]     --> src/utils.rs:1083:8
[INFO] [stderr]      |
[INFO] [stderr] 1083 |     fn check_dct() {
[INFO] [stderr]      |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `YCbCr` is never constructed
[INFO] [stderr]   --> src/pixel.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr]  4 | pub enum ColorType {
[INFO] [stderr]    |          --------- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 10 |     YCbCr,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `ColorType` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `channels` is never read
[INFO] [stderr]   --> src/pixel.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub struct Pixel {
[INFO] [stderr]    |            ----- field in this struct
[INFO] [stderr] 39 |     color_type : ColorType,
[INFO] [stderr] 40 |     channels : usize,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Pixel` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: method `to_ycbcr` is never used
[INFO] [stderr]    --> src/pixel.rs:107:12
[INFO] [stderr]     |
[INFO] [stderr]  44 | impl Pixel {
[INFO] [stderr]     | ---------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 107 |     pub fn to_ycbcr(&self) -> Pixel {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `to_ycbcr` and `subsample_ycbcr` are never used
[INFO] [stderr]    --> src/pixel.rs:159:12
[INFO] [stderr]     |
[INFO] [stderr] 125 | impl Pixels {
[INFO] [stderr]     | ----------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 159 |     pub fn to_ycbcr(&self) -> Pixels {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 173 |     pub fn subsample_ycbcr(&self) -> Pixels {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/jpeg.rs:129:9
[INFO] [stderr]     |
[INFO] [stderr] 129 |         std::fs::write(path, write_bytes);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 129 |         let _ = std::fs::write(path, write_bytes);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `pngpeg` (bin "pngpeg" test) generated 32 warnings (run `cargo fix --bin "pngpeg" -p pngpeg --tests` to apply 10 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/pngpeg-479c87a9be38e71e)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test utils::tests::check_zig_zag ... ok
[INFO] [stdout] test utils::tests::check_dct_matrix ... ok
[INFO] [stdout] test pixel::tests::test_rgb_ycbcr ... FAILED
[INFO] [stdout] test utils::tests::check_bits_write ... FAILED
[INFO] [stdout] test utils::tests::check_transpose ... ok
[INFO] [stderr] error: test failed, to rerun pass `--bin pngpeg`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- pixel::tests::test_rgb_ycbcr stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'pixel::tests::test_rgb_ycbcr' (25) panicked at src/pixel.rs:224:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: [0, 255, 255]
[INFO] [stdout]  right: [255, 128, 127]
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5aa18d6ccf0a - std[b80a194dd3c418bb]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5aa18d6ccf0a - std[b80a194dd3c418bb]::backtrace_rs::backtrace::trace_unsynchronized::<std[b80a194dd3c418bb]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5aa18d6ccf0a - std[b80a194dd3c418bb]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5aa18d6ccf0a - <<std[b80a194dd3c418bb]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[10b6fa85044e1869]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5aa18d6e0faa - <core[10b6fa85044e1869]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5aa18d6e0faa - core[10b6fa85044e1869]::fmt::write
[INFO] [stdout]    6:     0x5aa18d6d1792 - std[b80a194dd3c418bb]::io::default_write_fmt::<alloc[dd269455e567d8e9]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5aa18d6d1792 - <alloc[dd269455e567d8e9]::vec::Vec<u8> as std[b80a194dd3c418bb]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5aa18d6ac11f - <std[b80a194dd3c418bb]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5aa18d6ac11f - std[b80a194dd3c418bb]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5aa18d6c5479 - std[b80a194dd3c418bb]::panicking::default_hook
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5aa18d6624dc - <alloc[dd269455e567d8e9]::boxed::Box<dyn for<'a, 'b> core[10b6fa85044e1869]::ops::function::Fn<(&'a std[b80a194dd3c418bb]::panic::PanicHookInfo<'b>,), Output = ()> + core[10b6fa85044e1869]::marker::Sync + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::Fn<(&std[b80a194dd3c418bb]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x5aa18d6624dc - test[826cbc6ef54ab466]::test_main_with_exit_callback::<test[826cbc6ef54ab466]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5aa18d6c5632 - <alloc[dd269455e567d8e9]::boxed::Box<dyn for<'a, 'b> core[10b6fa85044e1869]::ops::function::Fn<(&'a std[b80a194dd3c418bb]::panic::PanicHookInfo<'b>,), Output = ()> + core[10b6fa85044e1869]::marker::Sync + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::Fn<(&std[b80a194dd3c418bb]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x5aa18d6c5632 - std[b80a194dd3c418bb]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5aa18d6ac1d8 - std[b80a194dd3c418bb]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5aa18d6a3b79 - std[b80a194dd3c418bb]::sys::backtrace::__rust_end_short_backtrace::<std[b80a194dd3c418bb]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5aa18d6aceed - __rustc[9698a3e60dd14283]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5aa18d6e181c - core[10b6fa85044e1869]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5aa18d6e16d3 - core[10b6fa85044e1869]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x5aa18d650493 - core::panicking::assert_failed::hd6a65816330486c9
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x5aa18d652b32 - pngpeg::pixel::tests::test_rgb_ycbcr::h6d7594843bfaf34b
[INFO] [stdout]                                at /opt/rustwide/workdir/src/pixel.rs:224:9
[INFO] [stdout]   22:     0x5aa18d652b87 - pngpeg::pixel::tests::test_rgb_ycbcr::{{closure}}::h6df9c46c31e3d15a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/pixel.rs:223:24
[INFO] [stdout]   23:     0x5aa18d64f796 - core::ops::function::FnOnce::call_once::h516abab9cdcd2ec1
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5aa18d6565bb - <fn() -> core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5aa18d6565bb - test[826cbc6ef54ab466]::__rust_begin_short_backtrace::<core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>, fn() -> core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x5aa18d662fab - test[826cbc6ef54ab466]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x5aa18d662fab - <core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x5aa18d662fab - std[b80a194dd3c418bb]::panicking::catch_unwind::do_call::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>, core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x5aa18d662fab - std[b80a194dd3c418bb]::panicking::catch_unwind::<core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>, core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5aa18d662fab - std[b80a194dd3c418bb]::panic::catch_unwind::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>, core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5aa18d662fab - test[826cbc6ef54ab466]::run_test_in_process
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x5aa18d662fab - test[826cbc6ef54ab466]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x5aa18d65e6c4 - test[826cbc6ef54ab466]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x5aa18d65e6c4 - std[b80a194dd3c418bb]::sys::backtrace::__rust_begin_short_backtrace::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x5aa18d665bb2 - std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x5aa18d665bb2 - <core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x5aa18d665bb2 - std[b80a194dd3c418bb]::panicking::catch_unwind::do_call::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x5aa18d665bb2 - std[b80a194dd3c418bb]::panicking::catch_unwind::<(), core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x5aa18d665bb2 - std[b80a194dd3c418bb]::panic::catch_unwind::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5aa18d665bb2 - std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x5aa18d665bb2 - <std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1} as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5aa18d6cc81f - <alloc[dd269455e567d8e9]::boxed::Box<dyn core[10b6fa85044e1869]::ops::function::FnOnce<(), Output = ()> + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   43:     0x5aa18d6cc81f - <std[b80a194dd3c418bb]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x7818c218faa4 - <unknown>
[INFO] [stdout]   45:     0x7818c221ca64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- utils::tests::check_bits_write stdout ----
[INFO] [stdout] 1
[INFO] [stdout] 1
[INFO] [stdout] 1
[INFO] [stdout] 0
[INFO] [stdout] 1
[INFO] [stdout] 1
[INFO] [stdout] 0b0
[INFO] [stdout] 
[INFO] [stdout] thread 'utils::tests::check_bits_write' (26) panicked at src/utils.rs:1119:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 6
[INFO] [stdout]  right: 0
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5aa18d6ccf0a - std[b80a194dd3c418bb]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5aa18d6ccf0a - std[b80a194dd3c418bb]::backtrace_rs::backtrace::trace_unsynchronized::<std[b80a194dd3c418bb]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5aa18d6ccf0a - std[b80a194dd3c418bb]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5aa18d6ccf0a - <<std[b80a194dd3c418bb]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[10b6fa85044e1869]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5aa18d6e0faa - <core[10b6fa85044e1869]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5aa18d6e0faa - core[10b6fa85044e1869]::fmt::write
[INFO] [stdout]    6:     0x5aa18d6d1792 - std[b80a194dd3c418bb]::io::default_write_fmt::<alloc[dd269455e567d8e9]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5aa18d6d1792 - <alloc[dd269455e567d8e9]::vec::Vec<u8> as std[b80a194dd3c418bb]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5aa18d6ac11f - <std[b80a194dd3c418bb]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5aa18d6ac11f - std[b80a194dd3c418bb]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5aa18d6c5479 - std[b80a194dd3c418bb]::panicking::default_hook
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5aa18d6624dc - <alloc[dd269455e567d8e9]::boxed::Box<dyn for<'a, 'b> core[10b6fa85044e1869]::ops::function::Fn<(&'a std[b80a194dd3c418bb]::panic::PanicHookInfo<'b>,), Output = ()> + core[10b6fa85044e1869]::marker::Sync + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::Fn<(&std[b80a194dd3c418bb]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x5aa18d6624dc - test[826cbc6ef54ab466]::test_main_with_exit_callback::<test[826cbc6ef54ab466]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5aa18d6c5632 - <alloc[dd269455e567d8e9]::boxed::Box<dyn for<'a, 'b> core[10b6fa85044e1869]::ops::function::Fn<(&'a std[b80a194dd3c418bb]::panic::PanicHookInfo<'b>,), Output = ()> + core[10b6fa85044e1869]::marker::Sync + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::Fn<(&std[b80a194dd3c418bb]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x5aa18d6c5632 - std[b80a194dd3c418bb]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5aa18d6ac1d8 - std[b80a194dd3c418bb]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5aa18d6a3b79 - std[b80a194dd3c418bb]::sys::backtrace::__rust_end_short_backtrace::<std[b80a194dd3c418bb]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5aa18d6aceed - __rustc[9698a3e60dd14283]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5aa18d6e181c - core[10b6fa85044e1869]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5aa18d6e16d3 - core[10b6fa85044e1869]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x5aa18d6a069a - core[10b6fa85044e1869]::panicking::assert_failed::<u32, u32>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x5aa18d654380 - pngpeg::utils::tests::check_bits_write::h65a4bd87d336c469
[INFO] [stdout]                                at /opt/rustwide/workdir/src/utils.rs:1119:9
[INFO] [stdout]   22:     0x5aa18d6543c7 - pngpeg::utils::tests::check_bits_write::{{closure}}::h71794fb067d42a74
[INFO] [stdout]                                at /opt/rustwide/workdir/src/utils.rs:1107:26
[INFO] [stdout]   23:     0x5aa18d64f856 - core::ops::function::FnOnce::call_once::hfa52b0393cd5a64b
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5aa18d6565bb - <fn() -> core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5aa18d6565bb - test[826cbc6ef54ab466]::__rust_begin_short_backtrace::<core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>, fn() -> core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x5aa18d662fab - test[826cbc6ef54ab466]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x5aa18d662fab - <core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x5aa18d662fab - std[b80a194dd3c418bb]::panicking::catch_unwind::do_call::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>, core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x5aa18d662fab - std[b80a194dd3c418bb]::panicking::catch_unwind::<core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>, core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5aa18d662fab - std[b80a194dd3c418bb]::panic::catch_unwind::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>, core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5aa18d662fab - test[826cbc6ef54ab466]::run_test_in_process
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x5aa18d662fab - test[826cbc6ef54ab466]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x5aa18d65e6c4 - test[826cbc6ef54ab466]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x5aa18d65e6c4 - std[b80a194dd3c418bb]::sys::backtrace::__rust_begin_short_backtrace::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x5aa18d665bb2 - std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x5aa18d665bb2 - <core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x5aa18d665bb2 - std[b80a194dd3c418bb]::panicking::catch_unwind::do_call::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x5aa18d665bb2 - std[b80a194dd3c418bb]::panicking::catch_unwind::<(), core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x5aa18d665bb2 - std[b80a194dd3c418bb]::panic::catch_unwind::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5aa18d665bb2 - std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x5aa18d665bb2 - <std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1} as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5aa18d6cc81f - <alloc[dd269455e567d8e9]::boxed::Box<dyn core[10b6fa85044e1869]::ops::function::FnOnce<(), Output = ()> + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   43:     0x5aa18d6cc81f - <std[b80a194dd3c418bb]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x7818c218faa4 - <unknown>
[INFO] [stdout]   45:     0x7818c221ca64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     pixel::tests::test_rgb_ycbcr
[INFO] [stdout]     utils::tests::check_bits_write
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ff389db98be37c1ce67d5a0ce9dc71d273c0e664d5a58ae6a66b476e470e87f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff389db98be37c1ce67d5a0ce9dc71d273c0e664d5a58ae6a66b476e470e87f0", kill_on_drop: false }`
[INFO] [stdout] ff389db98be37c1ce67d5a0ce9dc71d273c0e664d5a58ae6a66b476e470e87f0
