[INFO] cloning repository https://github.com/BjarkePedersen/Mandelbrot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BjarkePedersen/Mandelbrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBjarkePedersen%2FMandelbrot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBjarkePedersen%2FMandelbrot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3f03960e5699c5531621cf792d71b132dcf95db5
[INFO] documenting BjarkePedersen/Mandelbrot against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBjarkePedersen%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/BjarkePedersen/Mandelbrot on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BjarkePedersen/Mandelbrot
[INFO] finished tweaking git repo https://github.com/BjarkePedersen/Mandelbrot
[INFO] tweaked toml for git repo https://github.com/BjarkePedersen/Mandelbrot written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/BjarkePedersen/Mandelbrot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3d2ffe67ff5041ce769020626a48926f57598e9fbec693e690cc51be86872ee
[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" "c3d2ffe67ff5041ce769020626a48926f57598e9fbec693e690cc51be86872ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3d2ffe67ff5041ce769020626a48926f57598e9fbec693e690cc51be86872ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3d2ffe67ff5041ce769020626a48926f57598e9fbec693e690cc51be86872ee", kill_on_drop: false }`
[INFO] [stdout] c3d2ffe67ff5041ce769020626a48926f57598e9fbec693e690cc51be86872ee
[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" "RUSTDOCFLAGS=--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d871b0569a83aabf48c8762365f7fa037f3ba6f81ce12c0fa74114c2b02dcea
[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" "7d871b0569a83aabf48c8762365f7fa037f3ba6f81ce12c0fa74114c2b02dcea", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]     Checking rgb v0.8.11
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]    Compiling minifb v0.10.7
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling x11-dl v2.14.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking cgmath v0.16.1
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]  Documenting mandlebrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.77s
[INFO] running `Command { std: "docker" "inspect" "7d871b0569a83aabf48c8762365f7fa037f3ba6f81ce12c0fa74114c2b02dcea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d871b0569a83aabf48c8762365f7fa037f3ba6f81ce12c0fa74114c2b02dcea", kill_on_drop: false }`
[INFO] [stdout] 7d871b0569a83aabf48c8762365f7fa037f3ba6f81ce12c0fa74114c2b02dcea