[INFO] crate superpixel 0.1.1 is already in cache
[INFO] testing superpixel-0.1.1 against 1.38.0 for beta-1.39-1
[INFO] extracting crate superpixel 0.1.1 into work/builds/worker-6/source
[INFO] validating manifest of crates.io crate superpixel 0.1.1 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate superpixel 0.1.1
[INFO] finished tweaking crates.io crate superpixel 0.1.1
[INFO] tweaked toml for crates.io crate superpixel 0.1.1 written to work/builds/worker-6/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 425eac43728c5ed31a3b7b4bb84a6d3c81818718bbf7c672c248c72e67507768
[INFO] running `"docker" "start" "-a" "425eac43728c5ed31a3b7b4bb84a6d3c81818718bbf7c672c248c72e67507768"`
[INFO] [stderr]    Compiling superpixel v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `idx`
[INFO] [stderr]    --> src/lib.rs:451:17
[INFO] [stderr]     |
[INFO] [stderr] 451 |             let idx = y * width + x;
[INFO] [stderr]     |                 ^^^ help: consider prefixing with an underscore: `_idx`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `klabels`
[INFO] [stderr]    --> src/lib.rs:438:5
[INFO] [stderr]     |
[INFO] [stderr] 438 |     klabels: &Vec<i32>,
[INFO] [stderr]     |     ^^^^^^^ help: consider prefixing with an underscore: `_klabels`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `outline_color`
[INFO] [stderr]    --> src/lib.rs:440:5
[INFO] [stderr]     |
[INFO] [stderr] 440 |     outline_color: &image::Rgb<u8>
[INFO] [stderr]     |     ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_outline_color`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.21s
[INFO] running `"docker" "inspect" "425eac43728c5ed31a3b7b4bb84a6d3c81818718bbf7c672c248c72e67507768"`
[INFO] running `"docker" "rm" "-f" "425eac43728c5ed31a3b7b4bb84a6d3c81818718bbf7c672c248c72e67507768"`
[INFO] [stdout] 425eac43728c5ed31a3b7b4bb84a6d3c81818718bbf7c672c248c72e67507768
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6c66a35752fbe1e7603d9f82b998a3b8990da99b02afcf38dec753ab7bcb89be
[INFO] running `"docker" "start" "-a" "6c66a35752fbe1e7603d9f82b998a3b8990da99b02afcf38dec753ab7bcb89be"`
[INFO] [stderr]    Compiling superpixel v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `idx`
[INFO] [stderr]    --> src/lib.rs:451:17
[INFO] [stderr]     |
[INFO] [stderr] 451 |             let idx = y * width + x;
[INFO] [stderr]     |                 ^^^ help: consider prefixing with an underscore: `_idx`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `klabels`
[INFO] [stderr]    --> src/lib.rs:438:5
[INFO] [stderr]     |
[INFO] [stderr] 438 |     klabels: &Vec<i32>,
[INFO] [stderr]     |     ^^^^^^^ help: consider prefixing with an underscore: `_klabels`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `outline_color`
[INFO] [stderr]    --> src/lib.rs:440:5
[INFO] [stderr]     |
[INFO] [stderr] 440 |     outline_color: &image::Rgb<u8>
[INFO] [stderr]     |     ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_outline_color`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `"docker" "inspect" "6c66a35752fbe1e7603d9f82b998a3b8990da99b02afcf38dec753ab7bcb89be"`
[INFO] running `"docker" "rm" "-f" "6c66a35752fbe1e7603d9f82b998a3b8990da99b02afcf38dec753ab7bcb89be"`
[INFO] [stdout] 6c66a35752fbe1e7603d9f82b998a3b8990da99b02afcf38dec753ab7bcb89be
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] f7d155a9f0d17af13b6108c598d81766d3b9d32f542b6e01e75f102276b3e551
[INFO] running `"docker" "start" "-a" "f7d155a9f0d17af13b6108c598d81766d3b9d32f542b6e01e75f102276b3e551"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/superpixel-1697bbf126d0bf11
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::test_rgb_to_xyz ... ok
[INFO] [stdout] test test::test_rgb_to_lab ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests superpixel
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "f7d155a9f0d17af13b6108c598d81766d3b9d32f542b6e01e75f102276b3e551"`
[INFO] running `"docker" "rm" "-f" "f7d155a9f0d17af13b6108c598d81766d3b9d32f542b6e01e75f102276b3e551"`
[INFO] [stdout] f7d155a9f0d17af13b6108c598d81766d3b9d32f542b6e01e75f102276b3e551