[INFO] cloning repository https://github.com/fyrefly00/Mandelbrot-Set-Visualizer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fyrefly00/Mandelbrot-Set-Visualizer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffyrefly00%2FMandelbrot-Set-Visualizer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffyrefly00%2FMandelbrot-Set-Visualizer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d0e3f7602c4f98c7b5e008281bc90c658025aa3f
[INFO] testing fyrefly00/Mandelbrot-Set-Visualizer against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffyrefly00%2FMandelbrot-Set-Visualizer" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fyrefly00/Mandelbrot-Set-Visualizer on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fyrefly00/Mandelbrot-Set-Visualizer
[INFO] finished tweaking git repo https://github.com/fyrefly00/Mandelbrot-Set-Visualizer
[INFO] tweaked toml for git repo https://github.com/fyrefly00/Mandelbrot-Set-Visualizer written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/fyrefly00/Mandelbrot-Set-Visualizer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hsl v0.1.1
[INFO] [stderr]   Downloaded png v0.16.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6201ffd74ce3afab6fb5d3beddda891f6f082b8c30834b7efd405b687f3d9851
[INFO] running `Command { std: "docker" "start" "-a" "6201ffd74ce3afab6fb5d3beddda891f6f082b8c30834b7efd405b687f3d9851", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6201ffd74ce3afab6fb5d3beddda891f6f082b8c30834b7efd405b687f3d9851", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6201ffd74ce3afab6fb5d3beddda891f6f082b8c30834b7efd405b687f3d9851", kill_on_drop: false }`
[INFO] [stdout] 6201ffd74ce3afab6fb5d3beddda891f6f082b8c30834b7efd405b687f3d9851
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b74c64b16563ab6cfee8edf131f617a23da7cdc8b17e9885b7ebb9b3f3f23222
[INFO] running `Command { std: "docker" "start" "-a" "b74c64b16563ab6cfee8edf131f617a23da7cdc8b17e9885b7ebb9b3f3f23222", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling bytemuck v1.2.0
[INFO] [stderr]    Compiling hsl v0.1.1
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling miniz_oxide v0.3.6
[INFO] [stderr]    Compiling deflate v0.8.4
[INFO] [stderr]    Compiling generic-array v0.13.2
[INFO] [stderr]    Compiling crossbeam-queue v0.2.2
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling tiff v0.4.0
[INFO] [stderr]    Compiling png v0.16.4
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling paste-impl v0.1.16
[INFO] [stderr]    Compiling rand_distr v0.2.2
[INFO] [stderr]    Compiling paste v0.1.16
[INFO] [stderr]    Compiling simba v0.1.2
[INFO] [stderr]    Compiling jpeg-decoder v0.1.19
[INFO] [stderr]    Compiling nalgebra v0.21.0
[INFO] [stderr]    Compiling image v0.23.4
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/main.rs:27:21
[INFO] [stdout]    |
[INFO] [stdout] 27 |                 let data = (*pixel as image::Rgb<u8>).0;
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.41s
[INFO] running `Command { std: "docker" "inspect" "b74c64b16563ab6cfee8edf131f617a23da7cdc8b17e9885b7ebb9b3f3f23222", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b74c64b16563ab6cfee8edf131f617a23da7cdc8b17e9885b7ebb9b3f3f23222", kill_on_drop: false }`
[INFO] [stdout] b74c64b16563ab6cfee8edf131f617a23da7cdc8b17e9885b7ebb9b3f3f23222
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2edae6ca319d1a0754623935c4076a5aa2ba07c1da6056fca928e7d753b5353a
[INFO] running `Command { std: "docker" "start" "-a" "2edae6ca319d1a0754623935c4076a5aa2ba07c1da6056fca928e7d753b5353a", kill_on_drop: false }`
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/main.rs:27:21
[INFO] [stdout]    |
[INFO] [stdout] 27 |                 let data = (*pixel as image::Rgb<u8>).0;
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "2edae6ca319d1a0754623935c4076a5aa2ba07c1da6056fca928e7d753b5353a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2edae6ca319d1a0754623935c4076a5aa2ba07c1da6056fca928e7d753b5353a", kill_on_drop: false }`
[INFO] [stdout] 2edae6ca319d1a0754623935c4076a5aa2ba07c1da6056fca928e7d753b5353a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 428a6d70cc9191d7bcac8fd7ffa518c1083f105c3bbd33a435173f26f8d0cf0e
[INFO] running `Command { std: "docker" "start" "-a" "428a6d70cc9191d7bcac8fd7ffa518c1083f105c3bbd33a435173f26f8d0cf0e", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/main.rs:27:21
[INFO] [stderr]    |
[INFO] [stderr] 27 |                 let data = (*pixel as image::Rgb<u8>).0;
[INFO] [stderr]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mandelbrot` (bin "mandelbrot" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mandelbrot-7ded1295ca0352a9)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "428a6d70cc9191d7bcac8fd7ffa518c1083f105c3bbd33a435173f26f8d0cf0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "428a6d70cc9191d7bcac8fd7ffa518c1083f105c3bbd33a435173f26f8d0cf0e", kill_on_drop: false }`
[INFO] [stdout] 428a6d70cc9191d7bcac8fd7ffa518c1083f105c3bbd33a435173f26f8d0cf0e