[INFO] cloning repository https://github.com/jdhorwitz/mandelbrot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jdhorwitz/mandelbrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdhorwitz%2Fmandelbrot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdhorwitz%2Fmandelbrot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b5e9f6c9c25abf500e11c1ff13d49b1ce8e5f7f1
[INFO] testing jdhorwitz/mandelbrot against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdhorwitz%2Fmandelbrot" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jdhorwitz/mandelbrot on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jdhorwitz/mandelbrot
[INFO] finished tweaking git repo https://github.com/jdhorwitz/mandelbrot
[INFO] tweaked toml for git repo https://github.com/jdhorwitz/mandelbrot written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/jdhorwitz/mandelbrot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gcc v0.3.43
[INFO] [stderr]   Downloaded color_quant v1.0.0
[INFO] [stderr]   Downloaded crossbeam v0.2.10
[INFO] [stderr]   Downloaded byteorder v0.4.2
[INFO] [stderr]   Downloaded lzw v0.9.0
[INFO] [stderr]   Downloaded num-iter v0.1.32
[INFO] [stderr]   Downloaded miniz-sys v0.1.9
[INFO] [stderr]   Downloaded num-complex v0.1.35
[INFO] [stderr]   Downloaded num-integer v0.1.32
[INFO] [stderr]   Downloaded num v0.1.36
[INFO] [stderr]   Downloaded png v0.4.3
[INFO] [stderr]   Downloaded num-rational v0.1.35
[INFO] [stderr]   Downloaded num-bigint v0.1.35
[INFO] [stderr]   Downloaded bitflags v0.3.3
[INFO] [stderr]   Downloaded flate2 v0.2.17
[INFO] [stderr]   Downloaded gif v0.7.0
[INFO] [stderr]   Downloaded inflate v0.1.1
[INFO] [stderr]   Downloaded image v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 811c51c97d61d978a8c9f6312a8fc09c9ebd1bacc354006bd63500d5565925e5
[INFO] running `Command { std: "docker" "start" "-a" "811c51c97d61d978a8c9f6312a8fc09c9ebd1bacc354006bd63500d5565925e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "811c51c97d61d978a8c9f6312a8fc09c9ebd1bacc354006bd63500d5565925e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "811c51c97d61d978a8c9f6312a8fc09c9ebd1bacc354006bd63500d5565925e5", kill_on_drop: false }`
[INFO] [stdout] 811c51c97d61d978a8c9f6312a8fc09c9ebd1bacc354006bd63500d5565925e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be1f5ee9efd4a39c1241c3a129ec470cdc1aafe35be41a0154f292aeb96f833b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "be1f5ee9efd4a39c1241c3a129ec470cdc1aafe35be41a0154f292aeb96f833b", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v0.3.3
[INFO] [stderr]    Compiling lzw v0.9.0
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling miniz-sys v0.1.9
[INFO] [stderr]    Compiling num-complex v0.1.35
[INFO] [stderr]    Compiling num-bigint v0.1.35
[INFO] [stderr]    Compiling gif v0.7.0
[INFO] [stderr]    Compiling num-rational v0.1.35
[INFO] [stderr]    Compiling num v0.1.36
[INFO] [stderr]    Compiling flate2 v0.2.17
[INFO] [stderr]    Compiling png v0.4.3
[INFO] [stderr]    Compiling image v0.6.1
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.22s
[INFO] running `Command { std: "docker" "inspect" "be1f5ee9efd4a39c1241c3a129ec470cdc1aafe35be41a0154f292aeb96f833b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be1f5ee9efd4a39c1241c3a129ec470cdc1aafe35be41a0154f292aeb96f833b", kill_on_drop: false }`
[INFO] [stdout] be1f5ee9efd4a39c1241c3a129ec470cdc1aafe35be41a0154f292aeb96f833b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f0b8c9ed64946ceea234b06d12c27edd1b5ab0530d07ca8da20f9d2df1a7dee
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0f0b8c9ed64946ceea234b06d12c27edd1b5ab0530d07ca8da20f9d2df1a7dee", kill_on_drop: false }`
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "0f0b8c9ed64946ceea234b06d12c27edd1b5ab0530d07ca8da20f9d2df1a7dee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f0b8c9ed64946ceea234b06d12c27edd1b5ab0530d07ca8da20f9d2df1a7dee", kill_on_drop: false }`
[INFO] [stdout] 0f0b8c9ed64946ceea234b06d12c27edd1b5ab0530d07ca8da20f9d2df1a7dee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7a55e2ed8bbda33be8621d5395c86e58a1e8905c88186eeac84ee26e96fd4e69
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7a55e2ed8bbda33be8621d5395c86e58a1e8905c88186eeac84ee26e96fd4e69", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mandelbrot-ec8de59e8d4a8c6b)
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_pixel_to_point ... ok
[INFO] [stdout] test test_parse_pair ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7a55e2ed8bbda33be8621d5395c86e58a1e8905c88186eeac84ee26e96fd4e69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a55e2ed8bbda33be8621d5395c86e58a1e8905c88186eeac84ee26e96fd4e69", kill_on_drop: false }`
[INFO] [stdout] 7a55e2ed8bbda33be8621d5395c86e58a1e8905c88186eeac84ee26e96fd4e69