[INFO] cloning repository https://github.com/bergabman/autobrowser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bergabman/autobrowser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbergabman%2Fautobrowser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbergabman%2Fautobrowser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a5f674559dff9e1796534c67c889c4b25673ddec
[INFO] documenting bergabman/autobrowser against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbergabman%2Fautobrowser" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bergabman/autobrowser on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bergabman/autobrowser
[INFO] finished tweaking git repo https://github.com/bergabman/autobrowser
[INFO] tweaked toml for git repo https://github.com/bergabman/autobrowser written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/bergabman/autobrowser already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded core-graphics v0.15.0
[INFO] [stderr]   Downloaded autopilot v0.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2020-08-29" "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] 09baaddf7d9138ff956f8dd8647891d30111ef8def849548103fe570af0fd344
[INFO] running `Command { std: "docker" "start" "-a" "09baaddf7d9138ff956f8dd8647891d30111ef8def849548103fe570af0fd344", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09baaddf7d9138ff956f8dd8647891d30111ef8def849548103fe570af0fd344", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09baaddf7d9138ff956f8dd8647891d30111ef8def849548103fe570af0fd344", kill_on_drop: false }`
[INFO] [stdout] 09baaddf7d9138ff956f8dd8647891d30111ef8def849548103fe570af0fd344
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 911fcfc00d27d3db8aa8952934d3c3f8723dd99dc766f15e309bb5bc37025b0f
[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" "911fcfc00d27d3db8aa8952934d3c3f8723dd99dc766f15e309bb5bc37025b0f", kill_on_drop: false }`
[INFO] [stderr]     Checking inflate v0.4.4
[INFO] [stderr]    Compiling x11 v2.18.1
[INFO] [stderr]    Compiling autopilot v0.1.8
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]  Documenting autobrowser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.40s
[INFO] running `Command { std: "docker" "inspect" "911fcfc00d27d3db8aa8952934d3c3f8723dd99dc766f15e309bb5bc37025b0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "911fcfc00d27d3db8aa8952934d3c3f8723dd99dc766f15e309bb5bc37025b0f", kill_on_drop: false }`
[INFO] [stdout] 911fcfc00d27d3db8aa8952934d3c3f8723dd99dc766f15e309bb5bc37025b0f