[INFO] cloning repository https://github.com/Mandy9943/image-optimizer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mandy9943/image-optimizer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMandy9943%2Fimage-optimizer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMandy9943%2Fimage-optimizer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dd08e1ebf2be5a33fe6a4793b0f370815079446d
[INFO] building Mandy9943/image-optimizer against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMandy9943%2Fimage-optimizer" "/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/Mandy9943/image-optimizer
[INFO] finished tweaking git repo https://github.com/Mandy9943/image-optimizer
[INFO] tweaked toml for git repo https://github.com/Mandy9943/image-optimizer written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Mandy9943/image-optimizer on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Mandy9943/image-optimizer 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]    Compiling images-optimizer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::File;
[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 imports: `HeaderMap` and `HeaderValue`
[INFO] [stdout]   --> src/main.rs:12:20
[INFO] [stdout]    |
[INFO] [stdout] 12 |     http::{header, HeaderMap, HeaderValue, Method, StatusCode},
[INFO] [stdout]    |                    ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Options as PngOptions` and `optimize_from_memory`
[INFO] [stdout]  --> src/optimizer.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | use oxipng::{optimize_from_memory, Options as PngOptions};
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Cursor`
[INFO] [stdout]  --> src/optimizer.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::Cursor;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `error` and `warn`
[INFO] [stdout]  --> src/optimizer.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 | use tracing::{debug, error, info, warn};
[INFO] [stdout]   |                      ^^^^^        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `format`
[INFO] [stdout]    --> src/main.rs:305:9
[INFO] [stdout]     |
[INFO] [stdout] 305 |     let format = match image::guess_format(&data) {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_format`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `GenericImageView`
[INFO] [stdout]  --> src/optimizer.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use image::{GenericImageView, ImageFormat};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]  --> src/optimizer.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PNG_OPTIMIZATION_LEVEL` is never used
[INFO] [stdout]   --> src/optimizer.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | const PNG_OPTIMIZATION_LEVEL: u8 = 2; // Lower optimization level for faster processing
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FileSize` is never constructed
[INFO] [stdout]  --> src/utils.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct FileSize(pub u64);
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_extension` is never used
[INFO] [stdout]   --> src/utils.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn get_extension<P: AsRef<Path>>(path: P) -> Option<String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_image_file` is never used
[INFO] [stdout]   --> src/utils.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn is_image_file<P: AsRef<Path>>(path: P) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ensure_dir_exists` is never used
[INFO] [stdout]   --> src/utils.rs:47:14
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub async fn ensure_dir_exists<P: AsRef<Path>>(path: P) -> Result<()> {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `format_percentage` is never used
[INFO] [stdout]   --> src/utils.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub fn format_percentage(value: f64) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_image_mime_type` is never used
[INFO] [stdout]   --> src/utils.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn is_image_mime_type(mime_type: &str) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sanitize_filename` is never used
[INFO] [stdout]   --> src/utils.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub fn sanitize_filename<P: AsRef<Path>>(path: P) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_unique_filename` is never used
[INFO] [stdout]   --> src/utils.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub fn generate_unique_filename<P: AsRef<Path>>(path: P) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3m 05s
[INFO] running `Command { std: "docker" "inspect" "3a7c23e32302cdce95a11695f1ca8297e3b58d84e00e02628259021b2c9794b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a7c23e32302cdce95a11695f1ca8297e3b58d84e00e02628259021b2c9794b9", kill_on_drop: false }`
[INFO] [stdout] 3a7c23e32302cdce95a11695f1ca8297e3b58d84e00e02628259021b2c9794b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fe7c6e44ce7a9f8d9606f68fda10084a501e0ed47af2b40da8aa25f032ba6d1
[INFO] running `Command { std: "docker" "start" "-a" "3fe7c6e44ce7a9f8d9606f68fda10084a501e0ed47af2b40da8aa25f032ba6d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling images-optimizer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::File;
[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 imports: `HeaderMap` and `HeaderValue`
[INFO] [stdout]   --> src/main.rs:12:20
[INFO] [stdout]    |
[INFO] [stdout] 12 |     http::{header, HeaderMap, HeaderValue, Method, StatusCode},
[INFO] [stdout]    |                    ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Options as PngOptions` and `optimize_from_memory`
[INFO] [stdout]  --> src/optimizer.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | use oxipng::{optimize_from_memory, Options as PngOptions};
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Cursor`
[INFO] [stdout]  --> src/optimizer.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::Cursor;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `error` and `warn`
[INFO] [stdout]  --> src/optimizer.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 | use tracing::{debug, error, info, warn};
[INFO] [stdout]   |                      ^^^^^        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `format`
[INFO] [stdout]    --> src/main.rs:305:9
[INFO] [stdout]     |
[INFO] [stdout] 305 |     let format = match image::guess_format(&data) {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_format`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `GenericImageView`
[INFO] [stdout]  --> src/optimizer.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use image::{GenericImageView, ImageFormat};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]  --> src/optimizer.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PNG_OPTIMIZATION_LEVEL` is never used
[INFO] [stdout]   --> src/optimizer.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | const PNG_OPTIMIZATION_LEVEL: u8 = 2; // Lower optimization level for faster processing
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FileSize` is never constructed
[INFO] [stdout]  --> src/utils.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct FileSize(pub u64);
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_extension` is never used
[INFO] [stdout]   --> src/utils.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn get_extension<P: AsRef<Path>>(path: P) -> Option<String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_image_file` is never used
[INFO] [stdout]   --> src/utils.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn is_image_file<P: AsRef<Path>>(path: P) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ensure_dir_exists` is never used
[INFO] [stdout]   --> src/utils.rs:47:14
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub async fn ensure_dir_exists<P: AsRef<Path>>(path: P) -> Result<()> {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `format_percentage` is never used
[INFO] [stdout]   --> src/utils.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub fn format_percentage(value: f64) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_image_mime_type` is never used
[INFO] [stdout]   --> src/utils.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn is_image_mime_type(mime_type: &str) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sanitize_filename` is never used
[INFO] [stdout]   --> src/utils.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub fn sanitize_filename<P: AsRef<Path>>(path: P) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_unique_filename` is never used
[INFO] [stdout]   --> src/utils.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub fn generate_unique_filename<P: AsRef<Path>>(path: P) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.86s
[INFO] running `Command { std: "docker" "inspect" "3fe7c6e44ce7a9f8d9606f68fda10084a501e0ed47af2b40da8aa25f032ba6d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fe7c6e44ce7a9f8d9606f68fda10084a501e0ed47af2b40da8aa25f032ba6d1", kill_on_drop: false }`
[INFO] [stdout] 3fe7c6e44ce7a9f8d9606f68fda10084a501e0ed47af2b40da8aa25f032ba6d1