[INFO] fetching crate gentoo-cruft 1.0.3...
[INFO] documenting gentoo-cruft-1.0.3 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate gentoo-cruft 1.0.3 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate gentoo-cruft 1.0.3 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 gentoo-cruft 1.0.3
[INFO] finished tweaking crates.io crate gentoo-cruft 1.0.3
[INFO] tweaked toml for crates.io crate gentoo-cruft 1.0.3 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate gentoo-cruft 1.0.3 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] c901a4588e24093c3b1a11f53f22ef49214d289eae64ac6123d78e8d1d4ec40c
[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" "c901a4588e24093c3b1a11f53f22ef49214d289eae64ac6123d78e8d1d4ec40c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c901a4588e24093c3b1a11f53f22ef49214d289eae64ac6123d78e8d1d4ec40c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c901a4588e24093c3b1a11f53f22ef49214d289eae64ac6123d78e8d1d4ec40c", kill_on_drop: false }`
[INFO] [stdout] c901a4588e24093c3b1a11f53f22ef49214d289eae64ac6123d78e8d1d4ec40c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 09798e978d6d927e2f021a736b44a9c364e1ce939c185bfe8f523da524952a72
[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" "09798e978d6d927e2f021a736b44a9c364e1ce939c185bfe8f523da524952a72", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]    Compiling lexical-core v0.6.7
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking config v0.10.1
[INFO] [stderr]  Documenting gentoo-cruft v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.93s
[INFO] running `Command { std: "docker" "inspect" "09798e978d6d927e2f021a736b44a9c364e1ce939c185bfe8f523da524952a72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09798e978d6d927e2f021a736b44a9c364e1ce939c185bfe8f523da524952a72", kill_on_drop: false }`
[INFO] [stdout] 09798e978d6d927e2f021a736b44a9c364e1ce939c185bfe8f523da524952a72