[INFO] fetching crate images-compressor 1.0.3...
[INFO] checking images-compressor-1.0.3 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate images-compressor 1.0.3 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate images-compressor 1.0.3
[INFO] finished tweaking crates.io crate images-compressor 1.0.3
[INFO] tweaked toml for crates.io crate images-compressor 1.0.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate images-compressor 1.0.3 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 67 packages to latest compatible versions
[INFO] [stderr]       Adding colored v2.2.0 (available: v3.0.0)
[INFO] [stderr]       Adding gif v0.12.0 (available: v0.13.3)
[INFO] [stderr]       Adding image v0.24.9 (available: v0.25.6)
[INFO] [stderr]       Adding mozjpeg v0.9.8 (available: v0.10.13)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6955ae7c43abe66ffd15d4430ca800ae2cecbdd6635a630d377bfd71a997c75b
[INFO] running `Command { std: "docker" "start" "-a" "6955ae7c43abe66ffd15d4430ca800ae2cecbdd6635a630d377bfd71a997c75b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6955ae7c43abe66ffd15d4430ca800ae2cecbdd6635a630d377bfd71a997c75b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6955ae7c43abe66ffd15d4430ca800ae2cecbdd6635a630d377bfd71a997c75b", kill_on_drop: false }`
[INFO] [stdout] 6955ae7c43abe66ffd15d4430ca800ae2cecbdd6635a630d377bfd71a997c75b
[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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c09ba2587b546d5e5f2751327adf36c34f6664140c71d680d8e64c41c494d0fb
[INFO] running `Command { std: "docker" "start" "-a" "c09ba2587b546d5e5f2751327adf36c34f6664140c71d680d8e64c41c494d0fb", kill_on_drop: false }`
[INFO] [stderr]     Checking bytemuck v1.23.1
[INFO] [stderr]    Compiling nasm-rs v0.2.5
[INFO] [stderr]     Checking weezl v0.1.10
[INFO] [stderr]     Checking half v2.6.0
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]     Checking thread_local v1.1.9
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking crossbeam-queue v0.3.12
[INFO] [stderr]     Checking fs_extra v1.3.0
[INFO] [stderr]     Checking colored v2.2.0
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking rgb v0.8.50
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking gif v0.13.3
[INFO] [stderr]     Checking gif v0.12.0
[INFO] [stderr]     Checking exr v1.73.0
[INFO] [stderr]     Checking lodepng v3.11.0
[INFO] [stderr]    Compiling jobserver v0.1.33
[INFO] [stderr]    Compiling cc v1.2.27
[INFO] [stderr]     Checking jpeg-decoder v0.3.2
[INFO] [stderr]     Checking imagequant v4.3.4
[INFO] [stderr]     Checking tiff v0.9.1
[INFO] [stderr]    Compiling mozjpeg-sys v1.1.1
[INFO] [stderr]     Checking image v0.24.9
[INFO] [stderr]     Checking mozjpeg v0.9.8
[INFO] [stderr]     Checking images-compressor v1.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `str`
[INFO] [stdout]   --> tests/tests.rs:21:51
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let success = Compressor::new(args).compress(|str|{}).unwrap();
[INFO] [stdout]    |                                                   ^^^ help: if this is intentional, prefix it with an underscore: `_str`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.44s
[INFO] running `Command { std: "docker" "inspect" "c09ba2587b546d5e5f2751327adf36c34f6664140c71d680d8e64c41c494d0fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c09ba2587b546d5e5f2751327adf36c34f6664140c71d680d8e64c41c494d0fb", kill_on_drop: false }`
[INFO] [stdout] c09ba2587b546d5e5f2751327adf36c34f6664140c71d680d8e64c41c494d0fb