[INFO] fetching crate monger 0.13.0...
[INFO] documenting monger-0.13.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate monger 0.13.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate monger 0.13.0 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 monger 0.13.0
[INFO] finished tweaking crates.io crate monger 0.13.0
[INFO] tweaked toml for crates.io crate monger 0.13.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate monger 0.13.0 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 self_update v0.19.0
[INFO] [stderr]   Downloaded monger-core v0.13.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] f914aa9fd072e8f12be00dcd92e8150132dc08b706c3bff892448832ed88ee31
[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" "f914aa9fd072e8f12be00dcd92e8150132dc08b706c3bff892448832ed88ee31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f914aa9fd072e8f12be00dcd92e8150132dc08b706c3bff892448832ed88ee31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f914aa9fd072e8f12be00dcd92e8150132dc08b706c3bff892448832ed88ee31", kill_on_drop: false }`
[INFO] [stdout] f914aa9fd072e8f12be00dcd92e8150132dc08b706c3bff892448832ed88ee31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] b64a6c3ad1f2b161b930c331b60b6efcd72fb48bc0f26b3fb5feaf8c638efa41
[INFO] running `Command { std: "docker" "start" "-a" "b64a6c3ad1f2b161b930c331b60b6efcd72fb48bc0f26b3fb5feaf8c638efa41", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking string_cache_shared v0.3.0
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]    Compiling hyperx v1.0.0
[INFO] [stderr]    Compiling self_update v0.19.0
[INFO] [stderr]     Checking rs-release v0.1.7
[INFO] [stderr]     Checking tracing-core v0.1.14
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]     Checking quick-xml v0.17.2
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking async-compression v0.3.5
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking hyper-old-types v0.11.0
[INFO] [stderr]     Checking rustls v0.18.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking tendril v0.4.1
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking console v0.12.0
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]    Compiling structopt-derive v0.4.9
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]     Checking indicatif v0.13.0
[INFO] [stderr]    Compiling markup5ever v0.7.5
[INFO] [stderr]     Checking structopt v0.3.16
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-rustls v0.14.0
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]    Compiling html5ever v0.22.5
[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]     Checking soup v0.5.0
[INFO] [stderr]     Checking hyper-rustls v0.21.0
[INFO] [stderr]     Checking reqwest v0.10.7
[INFO] [stderr]     Checking monger-core v0.13.0
[INFO] [stderr]  Documenting monger v0.13.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "b64a6c3ad1f2b161b930c331b60b6efcd72fb48bc0f26b3fb5feaf8c638efa41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b64a6c3ad1f2b161b930c331b60b6efcd72fb48bc0f26b3fb5feaf8c638efa41", kill_on_drop: false }`
[INFO] [stdout] b64a6c3ad1f2b161b930c331b60b6efcd72fb48bc0f26b3fb5feaf8c638efa41