[INFO] cloning repository https://github.com/ctkai01/process_image_jpeg [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ctkai01/process_image_jpeg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fctkai01%2Fprocess_image_jpeg", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fctkai01%2Fprocess_image_jpeg'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a9cdb6eebca8e64cc19bd9c5ac0d18c494d1bebb [INFO] testing ctkai01/process_image_jpeg against 1.84.0 for beta-1.85-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fctkai01%2Fprocess_image_jpeg" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ctkai01/process_image_jpeg on toolchain 1.84.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.84.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ctkai01/process_image_jpeg [INFO] finished tweaking git repo https://github.com/ctkai01/process_image_jpeg [INFO] tweaked toml for git repo https://github.com/ctkai01/process_image_jpeg written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ctkai01/process_image_jpeg 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" "+1.84.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded bytemuck v1.12.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+1.84.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5105283206cbff6810937ac6d0ff239af9e88cb3112cacb00b05d34571f1f513 [INFO] running `Command { std: "docker" "start" "-a" "5105283206cbff6810937ac6d0ff239af9e88cb3112cacb00b05d34571f1f513", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5105283206cbff6810937ac6d0ff239af9e88cb3112cacb00b05d34571f1f513", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5105283206cbff6810937ac6d0ff239af9e88cb3112cacb00b05d34571f1f513", kill_on_drop: false }` [INFO] [stdout] 5105283206cbff6810937ac6d0ff239af9e88cb3112cacb00b05d34571f1f513 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+1.84.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 42002d48ca7835bea47875f045f1ae4798875242bf4db86fd9be424e1d8dd2c9 [INFO] running `Command { std: "docker" "start" "-a" "42002d48ca7835bea47875f045f1ae4798875242bf4db86fd9be424e1d8dd2c9", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling libc v0.2.137 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.12 [INFO] [stderr] Compiling proc-macro2 v1.0.47 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling unicode-ident v1.0.5 [INFO] [stderr] Compiling syn v1.0.103 [INFO] [stderr] Compiling rayon-core v1.9.3 [INFO] [stderr] Compiling adler v1.0.2 [INFO] [stderr] Compiling crc32fast v1.3.2 [INFO] [stderr] Compiling futures-core v0.3.25 [INFO] [stderr] Compiling either v1.8.0 [INFO] [stderr] Compiling futures-sink v0.3.25 [INFO] [stderr] Compiling weezl v0.1.7 [INFO] [stderr] Compiling color_quant v1.1.0 [INFO] [stderr] Compiling miniz_oxide v0.5.4 [INFO] [stderr] Compiling miniz_oxide v0.6.2 [INFO] [stderr] Compiling half v2.1.0 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling smallvec v1.10.0 [INFO] [stderr] Compiling bit_field v0.10.1 [INFO] [stderr] Compiling lebe v0.5.2 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling scoped_threadpool v0.1.9 [INFO] [stderr] Compiling gif v0.11.4 [INFO] [stderr] Compiling bytemuck v1.12.2 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.11 [INFO] [stderr] Compiling lock_api v0.4.9 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling rayon v1.5.3 [INFO] [stderr] Compiling crossbeam-channel v0.5.6 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling flate2 v1.0.24 [INFO] [stderr] Compiling num-rational v0.4.1 [INFO] [stderr] Compiling spin v0.9.4 [INFO] [stderr] Compiling crossbeam-deque v0.8.2 [INFO] [stderr] Compiling png v0.17.7 [INFO] [stderr] Compiling num_cpus v1.14.0 [INFO] [stderr] Compiling getrandom v0.2.8 [INFO] [stderr] Compiling nanorand v0.7.0 [INFO] [stderr] Compiling threadpool v1.8.1 [INFO] [stderr] Compiling jpeg-decoder v0.2.6 [INFO] [stderr] Compiling pin-project-internal v1.0.12 [INFO] [stderr] Compiling tiff v0.7.4 [INFO] [stderr] Compiling pin-project v1.0.12 [INFO] [stderr] Compiling flume v0.10.14 [INFO] [stderr] Compiling exr v1.5.2 [INFO] [stderr] Compiling image v0.24.4 [INFO] [stderr] Compiling processing_image_c v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `compression::jpeg::*` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use compression::jpeg::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `image::GenericImageView` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use image::GenericImageView; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `b` is never read [INFO] [stdout] --> src/compression.rs:32:17 [INFO] [stdout] | [INFO] [stdout] 32 | let mut b = 0; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `column` is never read [INFO] [stdout] --> src/compression.rs:82:17 [INFO] [stdout] | [INFO] [stdout] 82 | let mut column = 0; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/compression.rs:120:17 [INFO] [stdout] | [INFO] [stdout] 120 | let mut block_number = 8; [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `Y`, `Cb`, and `Cr` are never read [INFO] [stdout] --> src/compression.rs:6:13 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct Color { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 6 | pub Y: f32, [INFO] [stdout] | ^ [INFO] [stdout] 7 | pub Cb: f32, [INFO] [stdout] | ^^ [INFO] [stdout] 8 | pub Cr: f32, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `Color` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `YCbCr` is never used [INFO] [stdout] --> src/compression.rs:11:16 [INFO] [stdout] | [INFO] [stdout] 10 | impl Color { [INFO] [stdout] | ---------- associated function in this implementation [INFO] [stdout] 11 | pub fn YCbCr(Y: f32, Cb: f32, Cr: f32) -> Color { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `Block` is never used [INFO] [stdout] --> src/compression.rs:26:14 [INFO] [stdout] | [INFO] [stdout] 26 | pub type Block = [[f32; 8]; 8]; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `NUMBER_BLOCK` is never used [INFO] [stdout] --> src/compression.rs:27:15 [INFO] [stdout] | [INFO] [stdout] 27 | pub const NUMBER_BLOCK: u32 = 8; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_vec8_to_color` is never used [INFO] [stdout] --> src/compression.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn read_vec8_to_color(stream_vec: &Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `split_image_block` is never used [INFO] [stdout] --> src/compression.rs:61:12 [INFO] [stdout] | [INFO] [stdout] 61 | pub fn split_image_block(img_vec: Vec, w: u32, h: u32) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.44s [INFO] running `Command { std: "docker" "inspect" "42002d48ca7835bea47875f045f1ae4798875242bf4db86fd9be424e1d8dd2c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "42002d48ca7835bea47875f045f1ae4798875242bf4db86fd9be424e1d8dd2c9", kill_on_drop: false }` [INFO] [stdout] 42002d48ca7835bea47875f045f1ae4798875242bf4db86fd9be424e1d8dd2c9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+1.84.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 27339f01377d499234f9043f814c3a3f09e2f725cd842f6af8a4a5a4b580afa3 [INFO] running `Command { std: "docker" "start" "-a" "27339f01377d499234f9043f814c3a3f09e2f725cd842f6af8a4a5a4b580afa3", kill_on_drop: false }` [INFO] [stderr] Compiling processing_image_c v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `compression::jpeg::*` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use compression::jpeg::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `image::GenericImageView` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use image::GenericImageView; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `b` is never read [INFO] [stdout] --> src/compression.rs:32:17 [INFO] [stdout] | [INFO] [stdout] 32 | let mut b = 0; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `column` is never read [INFO] [stdout] --> src/compression.rs:82:17 [INFO] [stdout] | [INFO] [stdout] 82 | let mut column = 0; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/compression.rs:120:17 [INFO] [stdout] | [INFO] [stdout] 120 | let mut block_number = 8; [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `Y`, `Cb`, and `Cr` are never read [INFO] [stdout] --> src/compression.rs:6:13 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct Color { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 6 | pub Y: f32, [INFO] [stdout] | ^ [INFO] [stdout] 7 | pub Cb: f32, [INFO] [stdout] | ^^ [INFO] [stdout] 8 | pub Cr: f32, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `Color` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `YCbCr` is never used [INFO] [stdout] --> src/compression.rs:11:16 [INFO] [stdout] | [INFO] [stdout] 10 | impl Color { [INFO] [stdout] | ---------- associated function in this implementation [INFO] [stdout] 11 | pub fn YCbCr(Y: f32, Cb: f32, Cr: f32) -> Color { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `Block` is never used [INFO] [stdout] --> src/compression.rs:26:14 [INFO] [stdout] | [INFO] [stdout] 26 | pub type Block = [[f32; 8]; 8]; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `NUMBER_BLOCK` is never used [INFO] [stdout] --> src/compression.rs:27:15 [INFO] [stdout] | [INFO] [stdout] 27 | pub const NUMBER_BLOCK: u32 = 8; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_vec8_to_color` is never used [INFO] [stdout] --> src/compression.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn read_vec8_to_color(stream_vec: &Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `split_image_block` is never used [INFO] [stdout] --> src/compression.rs:61:12 [INFO] [stdout] | [INFO] [stdout] 61 | pub fn split_image_block(img_vec: Vec, w: u32, h: u32) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s [INFO] running `Command { std: "docker" "inspect" "27339f01377d499234f9043f814c3a3f09e2f725cd842f6af8a4a5a4b580afa3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "27339f01377d499234f9043f814c3a3f09e2f725cd842f6af8a4a5a4b580afa3", kill_on_drop: false }` [INFO] [stdout] 27339f01377d499234f9043f814c3a3f09e2f725cd842f6af8a4a5a4b580afa3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+1.84.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9d5f0ed11933125a626475000054fe9e071f50248bd29403155cd7321ebe05fa [INFO] running `Command { std: "docker" "start" "-a" "9d5f0ed11933125a626475000054fe9e071f50248bd29403155cd7321ebe05fa", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `compression::jpeg::*` [INFO] [stderr] --> src/main.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use compression::jpeg::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `image::GenericImageView` [INFO] [stderr] --> src/main.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use image::GenericImageView; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: value assigned to `b` is never read [INFO] [stderr] --> src/compression.rs:32:17 [INFO] [stderr] | [INFO] [stderr] 32 | let mut b = 0; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `column` is never read [INFO] [stderr] --> src/compression.rs:82:17 [INFO] [stderr] | [INFO] [stderr] 82 | let mut column = 0; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/compression.rs:120:17 [INFO] [stderr] | [INFO] [stderr] 120 | let mut block_number = 8; [INFO] [stderr] | ----^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: fields `Y`, `Cb`, and `Cr` are never read [INFO] [stderr] --> src/compression.rs:6:13 [INFO] [stderr] | [INFO] [stderr] 5 | pub struct Color { [INFO] [stderr] | ----- fields in this struct [INFO] [stderr] 6 | pub Y: f32, [INFO] [stderr] | ^ [INFO] [stderr] 7 | pub Cb: f32, [INFO] [stderr] | ^^ [INFO] [stderr] 8 | pub Cr: f32, [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = note: `Color` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function `YCbCr` is never used [INFO] [stderr] --> src/compression.rs:11:16 [INFO] [stderr] | [INFO] [stderr] 10 | impl Color { [INFO] [stderr] | ---------- associated function in this implementation [INFO] [stderr] 11 | pub fn YCbCr(Y: f32, Cb: f32, Cr: f32) -> Color { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: type alias `Block` is never used [INFO] [stderr] --> src/compression.rs:26:14 [INFO] [stderr] | [INFO] [stderr] 26 | pub type Block = [[f32; 8]; 8]; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant `NUMBER_BLOCK` is never used [INFO] [stderr] --> src/compression.rs:27:15 [INFO] [stderr] | [INFO] [stderr] 27 | pub const NUMBER_BLOCK: u32 = 8; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `read_vec8_to_color` is never used [INFO] [stderr] --> src/compression.rs:28:12 [INFO] [stderr] | [INFO] [stderr] 28 | pub fn read_vec8_to_color(stream_vec: &Vec) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `split_image_block` is never used [INFO] [stderr] --> src/compression.rs:61:12 [INFO] [stderr] | [INFO] [stderr] 61 | pub fn split_image_block(img_vec: Vec, w: u32, h: u32) -> Vec> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `processing_image_c` (bin "processing_image_c" test) generated 11 warnings (run `cargo fix --bin "processing_image_c" --tests` to apply 3 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/processing_image_c-b0d348aa6af9b796) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "9d5f0ed11933125a626475000054fe9e071f50248bd29403155cd7321ebe05fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d5f0ed11933125a626475000054fe9e071f50248bd29403155cd7321ebe05fa", kill_on_drop: false }` [INFO] [stdout] 9d5f0ed11933125a626475000054fe9e071f50248bd29403155cd7321ebe05fa