[INFO] fetching crate unrpa_rs 0.3.0...
[INFO] documenting unrpa_rs-0.3.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate unrpa_rs 0.3.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate unrpa_rs 0.3.0 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 crates.io crate unrpa_rs 0.3.0
[INFO] finished tweaking crates.io crate unrpa_rs 0.3.0
[INFO] tweaked toml for crates.io crate unrpa_rs 0.3.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate unrpa_rs 0.3.0 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 serde-pickle v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] b600aa94433b64c71eb03b8550f8d9053c5765e157266c0f54bd961a5f9a3fc5
[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" "b600aa94433b64c71eb03b8550f8d9053c5765e157266c0f54bd961a5f9a3fc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b600aa94433b64c71eb03b8550f8d9053c5765e157266c0f54bd961a5f9a3fc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b600aa94433b64c71eb03b8550f8d9053c5765e157266c0f54bd961a5f9a3fc5", kill_on_drop: false }`
[INFO] [stdout] b600aa94433b64c71eb03b8550f8d9053c5765e157266c0f54bd961a5f9a3fc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 62ff97370512c5b6c6ab6bd226fd44f46d47a89d8049e33713d2ca874f22c7b7
[INFO] running `Command { std: "docker" "start" "-a" "62ff97370512c5b6c6ab6bd226fd44f46d47a89d8049e33713d2ca874f22c7b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]     Checking iter-read v0.2.1
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking flate2 v1.0.16
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking stderrlog v0.4.3
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]     Checking structopt v0.3.15
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking serde-pickle v0.6.1
[INFO] [stderr]  Documenting unrpa_rs v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.08s
[INFO] running `Command { std: "docker" "inspect" "62ff97370512c5b6c6ab6bd226fd44f46d47a89d8049e33713d2ca874f22c7b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62ff97370512c5b6c6ab6bd226fd44f46d47a89d8049e33713d2ca874f22c7b7", kill_on_drop: false }`
[INFO] [stdout] 62ff97370512c5b6c6ab6bd226fd44f46d47a89d8049e33713d2ca874f22c7b7