[INFO] cloning repository https://github.com/mkaraki/img-optimize
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mkaraki/img-optimize" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkaraki%2Fimg-optimize", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkaraki%2Fimg-optimize'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 085ccec8392f5707858126a19ab12de6d2c57963
[INFO] checking mkaraki/img-optimize against master#485ec3fbcc12fa14ef6596dabb125ad710499c9e for pr-157710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkaraki%2Fimg-optimize" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mkaraki/img-optimize
[INFO] finished tweaking git repo https://github.com/mkaraki/img-optimize
[INFO] tweaked toml for git repo https://github.com/mkaraki/img-optimize written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mkaraki/img-optimize on toolchain 485ec3fbcc12fa14ef6596dabb125ad710499c9e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+485ec3fbcc12fa14ef6596dabb125ad710499c9e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mkaraki/img-optimize 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" "+485ec3fbcc12fa14ef6596dabb125ad710499c9e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "0dfd710b0adc167699d7d15a176d517f6ef4dff7de7b0240c86bc47c05d2d76f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0dfd710b0adc167699d7d15a176d517f6ef4dff7de7b0240c86bc47c05d2d76f" "/opt/rustwide/cargo-home/bin/cargo" "+485ec3fbcc12fa14ef6596dabb125ad710499c9e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0dfd710b0adc167699d7d15a176d517f6ef4dff7de7b0240c86bc47c05d2d76f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0dfd710b0adc167699d7d15a176d517f6ef4dff7de7b0240c86bc47c05d2d76f" "/opt/rustwide/cargo-home/bin/cargo" "+485ec3fbcc12fa14ef6596dabb125ad710499c9e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: variable `support_jpeg_xl` is assigned to, but never used
[INFO] [stdout]  --> src/encoder.rs:8:30
[INFO] [stdout]   |
[INFO] [stdout] 8 |     #[allow(unused_mut)] let mut support_jpeg_xl = true;
[INFO] [stdout]   |                              ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider using `_support_jpeg_xl` instead
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `support_jpeg_xl` is assigned to, but never used
[INFO] [stdout]  --> src/encoder.rs:8:30
[INFO] [stdout]   |
[INFO] [stdout] 8 |     #[allow(unused_mut)] let mut support_jpeg_xl = true;
[INFO] [stdout]   |                              ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider using `_support_jpeg_xl` instead
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `support_jpeg_xl` is never read
[INFO] [stdout]   --> src/encoder.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |             support_jpeg_xl = false;
[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: value assigned to `support_jpeg_xl` is never read
[INFO] [stdout]   --> src/encoder.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |             support_jpeg_xl = false;
[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 `support_jpeg_xl` is assigned to, but never used
[INFO] [stdout]  --> src/encoder.rs:8:30
[INFO] [stdout]   |
[INFO] [stdout] 8 |     #[allow(unused_mut)] let mut support_jpeg_xl = true;
[INFO] [stdout]   |                              ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider using `_support_jpeg_xl` instead
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `support_jpeg_xl` is never read
[INFO] [stdout]   --> src/encoder.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |             support_jpeg_xl = false;
[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: variants `F16` and `F32` are never constructed
[INFO] [stdout]   --> src/structs.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum ImagePixels {
[INFO] [stdout]    |          ----------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 14 |     F16(Vec<f16>),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 15 |     F32(Vec<f32>),
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `allow_jpeg_xl` is never read
[INFO] [stdout]   --> src/structs.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct CompressionConfig {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub allow_jpeg_xl: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encode_png_image_rs` is never used
[INFO] [stdout]    --> src/encoder.rs:133:8
[INFO] [stdout]     |
[INFO] [stdout] 133 | pub fn encode_png_image_rs(im_info: ImageInfo) -> Vec<u8> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `support_jpeg_xl` is assigned to, but never used
[INFO] [stdout]  --> src/encoder.rs:8:30
[INFO] [stdout]   |
[INFO] [stdout] 8 |     #[allow(unused_mut)] let mut support_jpeg_xl = true;
[INFO] [stdout]   |                              ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider using `_support_jpeg_xl` instead
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `support_jpeg_xl` is never read
[INFO] [stdout]   --> src/encoder.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |             support_jpeg_xl = false;
[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: variants `F16` and `F32` are never constructed
[INFO] [stdout]   --> src/structs.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum ImagePixels {
[INFO] [stdout]    |          ----------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 14 |     F16(Vec<f16>),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 15 |     F32(Vec<f32>),
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `allow_jpeg_xl` is never read
[INFO] [stdout]   --> src/structs.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct CompressionConfig {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub allow_jpeg_xl: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encode_png_image_rs` is never used
[INFO] [stdout]    --> src/encoder.rs:133:8
[INFO] [stdout]     |
[INFO] [stdout] 133 | pub fn encode_png_image_rs(im_info: ImageInfo) -> Vec<u8> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 52.97s
[INFO] running `Command { std: "docker" "inspect" "0dfd710b0adc167699d7d15a176d517f6ef4dff7de7b0240c86bc47c05d2d76f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dfd710b0adc167699d7d15a176d517f6ef4dff7de7b0240c86bc47c05d2d76f", kill_on_drop: false }`
[INFO] [stdout] 0dfd710b0adc167699d7d15a176d517f6ef4dff7de7b0240c86bc47c05d2d76f
