[INFO] fetching crate monger 0.13.0...
[INFO] documenting monger-0.13.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate monger 0.13.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate monger 0.13.0 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "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-13/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" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 460f0da368eb17a984954669dbc09bd84d220cdd1f2fc759ed0121696a181ec8
[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" "460f0da368eb17a984954669dbc09bd84d220cdd1f2fc759ed0121696a181ec8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "460f0da368eb17a984954669dbc09bd84d220cdd1f2fc759ed0121696a181ec8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "460f0da368eb17a984954669dbc09bd84d220cdd1f2fc759ed0121696a181ec8", kill_on_drop: false }`
[INFO] [stdout] 460f0da368eb17a984954669dbc09bd84d220cdd1f2fc759ed0121696a181ec8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73997702cd7299e89ff1d35303f6472fd205e89c662f05986912d9b0b2023cc9
[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" "73997702cd7299e89ff1d35303f6472fd205e89c662f05986912d9b0b2023cc9", kill_on_drop: false }`
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]    Compiling self_update v0.19.0
[INFO] [stderr]     Checking rs-release v0.1.7
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]     Checking quick-xml v0.17.2
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking ring v0.16.15
[INFO] [stderr]     Checking flate2 v1.0.17
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking hyperx v1.0.0
[INFO] [stderr]     Checking console v0.12.0
[INFO] [stderr]     Checking tar v0.4.29
[INFO] [stderr]     Checking hyper-old-types v0.11.0
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]    Compiling structopt-derive v0.4.9
[INFO] [stderr]     Checking async-compression v0.3.5
[INFO] [stderr]     Checking indicatif v0.13.0
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rustls v0.18.1
[INFO] [stderr]     Checking webpki-roots v0.19.0
[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 h2 v0.2.6
[INFO] [stderr]     Checking tokio-rustls v0.14.0
[INFO] [stderr]     Checking html5ever v0.22.5
[INFO] [stderr]     Checking soup v0.5.0
[INFO] [stderr]     Checking hyper v0.13.7
[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 50.47s
[INFO] running `Command { std: "docker" "inspect" "73997702cd7299e89ff1d35303f6472fd205e89c662f05986912d9b0b2023cc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73997702cd7299e89ff1d35303f6472fd205e89c662f05986912d9b0b2023cc9", kill_on_drop: false }`
[INFO] [stdout] 73997702cd7299e89ff1d35303f6472fd205e89c662f05986912d9b0b2023cc9