[INFO] cloning repository https://github.com/subspace/fork-simulator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/subspace/fork-simulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsubspace%2Ffork-simulator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsubspace%2Ffork-simulator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3555e57083b719257a79a54c5bcf83f5c702f6a4
[INFO] documenting subspace/fork-simulator 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%2Fsubspace%2Ffork-simulator" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/subspace/fork-simulator 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/subspace/fork-simulator
[INFO] finished tweaking git repo https://github.com/subspace/fork-simulator
[INFO] tweaked toml for git repo https://github.com/subspace/fork-simulator written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/subspace/fork-simulator 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 s-tree v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stdout] 8f0bc591b3ce9cbbe3457ec435e74d2076bfec1faf661c252ffe91bfb5888908
[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" "8f0bc591b3ce9cbbe3457ec435e74d2076bfec1faf661c252ffe91bfb5888908", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f0bc591b3ce9cbbe3457ec435e74d2076bfec1faf661c252ffe91bfb5888908", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f0bc591b3ce9cbbe3457ec435e74d2076bfec1faf661c252ffe91bfb5888908", kill_on_drop: false }`
[INFO] [stdout] 8f0bc591b3ce9cbbe3457ec435e74d2076bfec1faf661c252ffe91bfb5888908
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 60ed5fe66e8838c3193e8e22020281ee090c3533a4314ad55f7cb92585fa20f7
[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" "60ed5fe66e8838c3193e8e22020281ee090c3533a4314ad55f7cb92585fa20f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitintr v0.3.0
[INFO] [stderr]     Checking s-tree v0.1.0
[INFO] [stderr]     Checking ring v0.16.11
[INFO] [stderr]  Documenting fork-simulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.82s
[INFO] running `Command { std: "docker" "inspect" "60ed5fe66e8838c3193e8e22020281ee090c3533a4314ad55f7cb92585fa20f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60ed5fe66e8838c3193e8e22020281ee090c3533a4314ad55f7cb92585fa20f7", kill_on_drop: false }`
[INFO] [stdout] 60ed5fe66e8838c3193e8e22020281ee090c3533a4314ad55f7cb92585fa20f7