[INFO] cloning repository https://github.com/eumenesofcardib/helibattle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eumenesofcardib/helibattle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feumenesofcardib%2Fhelibattle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feumenesofcardib%2Fhelibattle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b0071e8834a53c8a1867baae7722e8d7d12cca22
[INFO] documenting eumenesofcardib/helibattle 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%2Feumenesofcardib%2Fhelibattle" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/eumenesofcardib/helibattle 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/eumenesofcardib/helibattle
[INFO] finished tweaking git repo https://github.com/eumenesofcardib/helibattle
[INFO] tweaked toml for git repo https://github.com/eumenesofcardib/helibattle written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/eumenesofcardib/helibattle 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 wasm-bindgen-backend v0.2.63
[INFO] [stderr]   Downloaded js-sys v0.3.40
[INFO] [stderr]   Downloaded console_error_panic_hook v0.1.6
[INFO] [stderr]   Downloaded scoped-tls v1.0.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.63
[INFO] [stderr]   Downloaded web-sys v0.3.40
[INFO] [stderr]   Downloaded syn v1.0.31
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.63
[INFO] [stderr]   Downloaded proc-macro2 v1.0.18
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.13
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.3.13
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.3.13
[INFO] [stderr]   Downloaded wee_alloc v0.4.5
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.63
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.63
[INFO] [stderr]   Downloaded memory_units v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 85e61df983998831a3760f799ed6f0dc2bf13b49e91cc51a0bfe86a8ff466cb1
[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" "85e61df983998831a3760f799ed6f0dc2bf13b49e91cc51a0bfe86a8ff466cb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85e61df983998831a3760f799ed6f0dc2bf13b49e91cc51a0bfe86a8ff466cb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85e61df983998831a3760f799ed6f0dc2bf13b49e91cc51a0bfe86a8ff466cb1", kill_on_drop: false }`
[INFO] [stdout] 85e61df983998831a3760f799ed6f0dc2bf13b49e91cc51a0bfe86a8ff466cb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 7bdbb218e34be78ee3af5acd5f42ee6a4d306d6752ba4a449f7c7153d3efb99d
[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" "7bdbb218e34be78ee3af5acd5f42ee6a4d306d6752ba4a449f7c7153d3efb99d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.63
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.63
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.63
[INFO] [stderr]     Checking wasm-bindgen v0.2.63
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]     Checking js-sys v0.3.40
[INFO] [stderr]  Documenting helibattle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.23s
[INFO] running `Command { std: "docker" "inspect" "7bdbb218e34be78ee3af5acd5f42ee6a4d306d6752ba4a449f7c7153d3efb99d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bdbb218e34be78ee3af5acd5f42ee6a4d306d6752ba4a449f7c7153d3efb99d", kill_on_drop: false }`
[INFO] [stdout] 7bdbb218e34be78ee3af5acd5f42ee6a4d306d6752ba4a449f7c7153d3efb99d