[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] checking ctkai01/process_image_jpeg against 1.95.0 for pr-155915
[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] 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] validating manifest of git repo https://github.com/ctkai01/process_image_jpeg on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytemuck v1.12.2
[INFO] [stderr]   Downloaded num_cpus v1.14.0
[INFO] [stderr]   Downloaded exr v1.5.2
[INFO] [stderr]   Downloaded image v0.24.4
[INFO] [stderr]   Downloaded half v2.1.0
[INFO] [stderr]   Downloaded tiff v0.7.4
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cdf8880ae07ccd96000e26b4961feded96fb786bb42284f2b38b52f6ddc3aed5
[INFO] running `Command { std: "docker" "start" "-a" "cdf8880ae07ccd96000e26b4961feded96fb786bb42284f2b38b52f6ddc3aed5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdf8880ae07ccd96000e26b4961feded96fb786bb42284f2b38b52f6ddc3aed5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdf8880ae07ccd96000e26b4961feded96fb786bb42284f2b38b52f6ddc3aed5", kill_on_drop: false }`
[INFO] [stdout] cdf8880ae07ccd96000e26b4961feded96fb786bb42284f2b38b52f6ddc3aed5
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72a1d85d149a5cc14c131c1c63143695ddf1153c3e1ba240354cd2dbe9a50724
[INFO] running `Command { std: "docker" "start" "-a" "72a1d85d149a5cc14c131c1c63143695ddf1153c3e1ba240354cd2dbe9a50724", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.11
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stderr]     Checking half v2.1.0
[INFO] [stderr]     Checking bytemuck v1.12.2
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]     Checking png v0.17.7
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking num_cpus v1.14.0
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking rayon-core v1.9.3
[INFO] [stderr]     Checking rayon v1.5.3
[INFO] [stderr]    Compiling pin-project-internal v1.0.12
[INFO] [stderr]     Checking jpeg-decoder v0.2.6
[INFO] [stderr]     Checking tiff v0.7.4
[INFO] [stderr]     Checking pin-project v1.0.12
[INFO] [stderr]     Checking flume v0.10.14
[INFO] [stderr]     Checking exr v1.5.2
[INFO] [stderr]     Checking image v0.24.4
[INFO] [stderr]     Checking 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)]` (part of `#[warn(unused)]`) 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: 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)]` (part of `#[warn(unused)]`) 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:32:21
[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)]` (part of `#[warn(unused)]`) on by default
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `column` is never read
[INFO] [stdout]   --> src/compression.rs:82:26
[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: struct `Color` is never constructed
[INFO] [stdout]  --> src/compression.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub struct Color {
[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 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<u8>) -> Vec<Color> {
[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<Color>, w: u32, h: u32) -> Vec<Vec<[Color; 8]>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `b` is never read
[INFO] [stdout]   --> src/compression.rs:32:21
[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)]` (part of `#[warn(unused)]`) on by default
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `column` is never read
[INFO] [stdout]   --> src/compression.rs:82:26
[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: struct `Color` is never constructed
[INFO] [stdout]  --> src/compression.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub struct Color {
[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 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<u8>) -> Vec<Color> {
[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<Color>, w: u32, h: u32) -> Vec<Vec<[Color; 8]>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.51s
[INFO] running `Command { std: "docker" "inspect" "72a1d85d149a5cc14c131c1c63143695ddf1153c3e1ba240354cd2dbe9a50724", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72a1d85d149a5cc14c131c1c63143695ddf1153c3e1ba240354cd2dbe9a50724", kill_on_drop: false }`
[INFO] [stdout] 72a1d85d149a5cc14c131c1c63143695ddf1153c3e1ba240354cd2dbe9a50724
