[INFO] fetching crate izia 0.5.0...
[INFO] documenting izia-0.5.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate izia 0.5.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate izia 0.5.0 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 izia 0.5.0
[INFO] finished tweaking crates.io crate izia 0.5.0
[INFO] tweaked toml for crates.io crate izia 0.5.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate izia 0.5.0 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 linefeed v0.5.4
[INFO] [stderr]   Downloaded zia v0.5.0
[INFO] [stderr]   Downloaded mortal v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] e55f1536ccb796166d9c6bba9dc33f9cce93223773dcb126011579c867f64da2
[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" "e55f1536ccb796166d9c6bba9dc33f9cce93223773dcb126011579c867f64da2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e55f1536ccb796166d9c6bba9dc33f9cce93223773dcb126011579c867f64da2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e55f1536ccb796166d9c6bba9dc33f9cce93223773dcb126011579c867f64da2", kill_on_drop: false }`
[INFO] [stdout] e55f1536ccb796166d9c6bba9dc33f9cce93223773dcb126011579c867f64da2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] db68f0673fd752176dd510b85ea7bb6d6173e4a48907f3e6a061a5134f8f668d
[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" "db68f0673fd752176dd510b85ea7bb6d6173e4a48907f3e6a061a5134f8f668d", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling doc-comment v0.3.1
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking smallstr v0.1.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking nom v4.2.3
[INFO] [stderr]    Compiling nix v0.7.0
[INFO] [stderr]     Checking slog-term v2.5.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking backtrace v0.3.43
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling terminfo v0.6.1
[INFO] [stderr]    Compiling snafu-derive v0.5.0
[INFO] [stderr]     Checking snafu v0.5.0
[INFO] [stderr]     Checking zia v0.5.0
[INFO] [stderr]     Checking mortal v0.1.5
[INFO] [stderr]     Checking linefeed v0.5.4
[INFO] [stderr]  Documenting izia v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.47s
[INFO] running `Command { std: "docker" "inspect" "db68f0673fd752176dd510b85ea7bb6d6173e4a48907f3e6a061a5134f8f668d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db68f0673fd752176dd510b85ea7bb6d6173e4a48907f3e6a061a5134f8f668d", kill_on_drop: false }`
[INFO] [stdout] db68f0673fd752176dd510b85ea7bb6d6173e4a48907f3e6a061a5134f8f668d