[INFO] fetching crate twitch-irc 0.2.0...
[INFO] documenting twitch-irc-0.2.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate twitch-irc 0.2.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate twitch-irc 0.2.0 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 twitch-irc 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate twitch-irc 0.2.0
[INFO] tweaked toml for crates.io crate twitch-irc 0.2.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate twitch-irc 0.2.0 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 enum_dispatch v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 221109c6448938d9de3c62fa78e4ad3d62d6394035e2cc51259d0cd5a92f62f5
[INFO] running `Command { std: "docker" "start" "-a" "221109c6448938d9de3c62fa78e4ad3d62d6394035e2cc51259d0cd5a92f62f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "221109c6448938d9de3c62fa78e4ad3d62d6394035e2cc51259d0cd5a92f62f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "221109c6448938d9de3c62fa78e4ad3d62d6394035e2cc51259d0cd5a92f62f5", kill_on_drop: false }`
[INFO] [stdout] 221109c6448938d9de3c62fa78e4ad3d62d6394035e2cc51259d0cd5a92f62f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 09a45eff49eefc4b8a1ada4bbb65641dc4dce884a495bb0b3df364ab4ceb0fbf
[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" "09a45eff49eefc4b8a1ada4bbb65641dc4dce884a495bb0b3df364ab4ceb0fbf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling async-trait v0.1.38
[INFO] [stderr]    Compiling enum_dispatch v0.3.2
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking tokio-native-tls v0.1.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]  Documenting twitch-irc v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.00s
[INFO] running `Command { std: "docker" "inspect" "09a45eff49eefc4b8a1ada4bbb65641dc4dce884a495bb0b3df364ab4ceb0fbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09a45eff49eefc4b8a1ada4bbb65641dc4dce884a495bb0b3df364ab4ceb0fbf", kill_on_drop: false }`
[INFO] [stdout] 09a45eff49eefc4b8a1ada4bbb65641dc4dce884a495bb0b3df364ab4ceb0fbf