[INFO] cloning repository https://github.com/bn2302/mandelbrot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bn2302/mandelbrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbn2302%2Fmandelbrot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbn2302%2Fmandelbrot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 672002c65cd14f0c4065cadbe672c8ea77875d2d
[INFO] checking bn2302/mandelbrot against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbn2302%2Fmandelbrot" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bn2302/mandelbrot on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bn2302/mandelbrot
[INFO] finished tweaking git repo https://github.com/bn2302/mandelbrot
[INFO] tweaked toml for git repo https://github.com/bn2302/mandelbrot written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/bn2302/mandelbrot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded adler32 v1.0.2
[INFO] [stderr]   Downloaded lazy_static v0.2.9
[INFO] [stderr]   Downloaded gif v0.9.2
[INFO] [stderr]   Downloaded rayon v0.8.2
[INFO] [stderr]   Downloaded bitflags v0.7.0
[INFO] [stderr]   Downloaded scoped_threadpool v0.1.8
[INFO] [stderr]   Downloaded crossbeam v0.2.10
[INFO] [stderr]   Downloaded image v0.13.0
[INFO] [stderr]   Downloaded either v1.2.0
[INFO] [stderr]   Downloaded enum_primitive v0.1.1
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.13
[INFO] [stderr]   Downloaded deflate v0.7.17
[INFO] [stderr]   Downloaded lzw v0.10.0
[INFO] [stderr]   Downloaded inflate v0.2.0
[INFO] [stderr]   Downloaded num-traits v0.1.40
[INFO] [stderr]   Downloaded futures v0.1.16
[INFO] [stderr]   Downloaded num_cpus v1.7.0
[INFO] [stderr]   Downloaded num-bigint v0.1.40
[INFO] [stderr]   Downloaded num-integer v0.1.35
[INFO] [stderr]   Downloaded scopeguard v0.3.2
[INFO] [stderr]   Downloaded coco v0.1.1
[INFO] [stderr]   Downloaded rayon-core v1.2.1
[INFO] [stderr]   Downloaded byteorder v1.1.0
[INFO] [stderr]   Downloaded png v0.7.0
[INFO] [stderr]   Downloaded rand v0.3.17
[INFO] [stderr]   Downloaded fuchsia-zircon v0.2.1
[INFO] [stderr]   Downloaded num-complex v0.1.40
[INFO] [stderr]   Downloaded libc v0.2.32
[INFO] [stderr]   Downloaded num-iter v0.1.34
[INFO] [stderr]   Downloaded fuchsia-zircon-sys v0.2.0
[INFO] [stderr]   Downloaded num-rational v0.1.39
[INFO] [stderr]   Downloaded num v0.1.40
[INFO] [stderr]   Downloaded color_quant v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b3511bfe15ed2fb8c4a307e6bd344a20caf066c82a12a2f5aa376ff4ab72e361
[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" "b3511bfe15ed2fb8c4a307e6bd344a20caf066c82a12a2f5aa376ff4ab72e361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3511bfe15ed2fb8c4a307e6bd344a20caf066c82a12a2f5aa376ff4ab72e361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3511bfe15ed2fb8c4a307e6bd344a20caf066c82a12a2f5aa376ff4ab72e361", kill_on_drop: false }`
[INFO] [stdout] b3511bfe15ed2fb8c4a307e6bd344a20caf066c82a12a2f5aa376ff4ab72e361
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce3af621aaf88cce37602c5507f789f107ee8180fb198e0a4e6818535e020465
[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" "ce3af621aaf88cce37602c5507f789f107ee8180fb198e0a4e6818535e020465", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking scopeguard v0.3.2
[INFO] [stderr]     Checking either v1.2.0
[INFO] [stderr]     Checking futures v0.1.16
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.8
[INFO] [stderr]     Checking rand v0.3.17
[INFO] [stderr]     Checking num_cpus v1.7.0
[INFO] [stderr]     Checking deflate v0.7.17
[INFO] [stderr]     Checking gif v0.9.2
[INFO] [stderr]     Checking coco v0.1.1
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking num-complex v0.1.40
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking num-bigint v0.1.40
[INFO] [stderr]     Checking png v0.7.0
[INFO] [stderr]     Checking rayon-core v1.2.1
[INFO] [stderr]     Checking num-rational v0.1.39
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking jpeg-decoder v0.1.13
[INFO] [stderr]     Checking image v0.13.0
[INFO] [stderr]     Checking mandelbrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.37s
[INFO] running `Command { std: "docker" "inspect" "ce3af621aaf88cce37602c5507f789f107ee8180fb198e0a4e6818535e020465", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce3af621aaf88cce37602c5507f789f107ee8180fb198e0a4e6818535e020465", kill_on_drop: false }`
[INFO] [stdout] ce3af621aaf88cce37602c5507f789f107ee8180fb198e0a4e6818535e020465