[INFO] fetching crate minibus 0.0.2...
[INFO] documenting minibus-0.0.2 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate minibus 0.0.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate minibus 0.0.2 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 minibus 0.0.2
[INFO] finished tweaking crates.io crate minibus 0.0.2
[INFO] tweaked toml for crates.io crate minibus 0.0.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate minibus 0.0.2 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-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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23159c7e789d6dfb32437d1ca40fe94cd523b1bd9e447ee8acd1db7cd9b2da8b
[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" "23159c7e789d6dfb32437d1ca40fe94cd523b1bd9e447ee8acd1db7cd9b2da8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23159c7e789d6dfb32437d1ca40fe94cd523b1bd9e447ee8acd1db7cd9b2da8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23159c7e789d6dfb32437d1ca40fe94cd523b1bd9e447ee8acd1db7cd9b2da8b", kill_on_drop: false }`
[INFO] [stdout] 23159c7e789d6dfb32437d1ca40fe94cd523b1bd9e447ee8acd1db7cd9b2da8b
[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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f64ce1a5847c508e6093d0fefce1cc44ff519807d01f59f9aa7fc16aea554eff
[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" "f64ce1a5847c508e6093d0fefce1cc44ff519807d01f59f9aa7fc16aea554eff", kill_on_drop: false }`
[INFO] [stderr]     Checking event-listener v2.3.2
[INFO] [stderr]     Checking fastrand v1.3.3
[INFO] [stderr]     Checking waker-fn v1.0.0
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking weak-table v0.3.0
[INFO] [stderr]    Compiling time v0.2.16
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]    Compiling blake3 v0.3.6
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking clap v2.33.2
[INFO] [stderr]     Checking error-chain v0.12.4
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking byte-pool v0.2.2
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.67
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling ctor v0.1.15
[INFO] [stderr]    Compiling inventory-impl v0.1.8
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking async-channel v1.4.0
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-lite v0.1.10
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling structopt-derive v0.4.9
[INFO] [stderr]     Checking blocking v0.4.7
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.67
[INFO] [stderr]     Checking cookie v0.14.2
[INFO] [stderr]     Checking inventory v0.1.8
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.67
[INFO] [stderr]     Checking structopt v0.3.16
[INFO] [stderr]     Checking smol v0.1.18
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking serde_qs v0.6.1
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking multimap v0.8.1
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking wasm-bindgen v0.2.67
[INFO] [stderr]     Checking femme v2.1.1
[INFO] [stderr]     Checking js-sys v0.3.44
[INFO] [stderr]     Checking web-sys v0.3.44
[INFO] [stderr]     Checking gloo-timers v0.2.1
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking async-std v1.6.2
[INFO] [stderr]     Checking http-types v2.4.0
[INFO] [stderr]     Checking async-session v2.0.1
[INFO] [stderr]     Checking async-sse v4.0.0
[INFO] [stderr]     Checking async-h1 v2.1.2
[INFO] [stderr]     Checking tide v0.13.0
[INFO] [stderr]  Documenting minibus v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.48s
[INFO] running `Command { std: "docker" "inspect" "f64ce1a5847c508e6093d0fefce1cc44ff519807d01f59f9aa7fc16aea554eff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f64ce1a5847c508e6093d0fefce1cc44ff519807d01f59f9aa7fc16aea554eff", kill_on_drop: false }`
[INFO] [stdout] f64ce1a5847c508e6093d0fefce1cc44ff519807d01f59f9aa7fc16aea554eff