[INFO] fetching crate async-amqp 0.1.5...
[INFO] documenting async-amqp-0.1.5 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate async-amqp 0.1.5 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate async-amqp 0.1.5 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 async-amqp 0.1.5
[INFO] finished tweaking crates.io crate async-amqp 0.1.5
[INFO] tweaked toml for crates.io crate async-amqp 0.1.5 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate async-amqp 0.1.5 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded blocking v0.5.0
[INFO] [stderr]   Downloaded polling v0.1.3
[INFO] [stderr]   Downloaded async-lapin v0.2.1
[INFO] [stderr]   Downloaded lapin v1.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] f19d36d377adf368ed97d031d04fa5bc5e57bdaa4e096b74529188faafd37057
[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" "f19d36d377adf368ed97d031d04fa5bc5e57bdaa4e096b74529188faafd37057", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f19d36d377adf368ed97d031d04fa5bc5e57bdaa4e096b74529188faafd37057", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f19d36d377adf368ed97d031d04fa5bc5e57bdaa4e096b74529188faafd37057", kill_on_drop: false }`
[INFO] [stdout] f19d36d377adf368ed97d031d04fa5bc5e57bdaa4e096b74529188faafd37057
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 62fb3ac81405d734195a7a78aceaa74687c588c92253b6a106e9d71ac4b63aa4
[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" "62fb3ac81405d734195a7a78aceaa74687c588c92253b6a106e9d71ac4b63aa4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.67
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]     Checking tinyvec v0.3.3
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling wasm-bindgen v0.2.67
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]     Checking fastrand v1.3.4
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking waker-fn v1.0.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking instant v0.1.6
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking event-listener v2.3.3
[INFO] [stderr]     Checking tracing-core v0.1.14
[INFO] [stderr]    Compiling amq-protocol v6.0.0-rc12
[INFO] [stderr]     Checking vec-arena v0.5.0
[INFO] [stderr]     Checking cookie-factory v0.3.1
[INFO] [stderr]    Compiling lapin v1.2.1
[INFO] [stderr]     Checking send_wrapper v0.4.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking parking v1.0.6
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking async-mutex v1.1.5
[INFO] [stderr]    Compiling nom v6.0.0-alpha1
[INFO] [stderr]     Checking multitask v0.2.0
[INFO] [stderr]     Checking async-channel v1.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking futures-lite v0.1.11
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]     Checking pem v0.8.1
[INFO] [stderr]     Checking polling v0.1.3
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking blocking v0.5.0
[INFO] [stderr]     Checking mio v0.7.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking pinky-swear v4.2.3
[INFO] [stderr]     Checking async-io v0.1.11
[INFO] [stderr]     Checking crossbeam-channel v0.4.3
[INFO] [stderr]     Checking async-executor v0.1.2
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking amq-protocol-uri v6.0.0-rc12
[INFO] [stderr]     Checking tcp-stream v0.20.3
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.67
[INFO] [stderr]     Checking amq-protocol-tcp v6.0.0-rc12
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.67
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.67
[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 v1.6.3
[INFO] [stderr]     Checking amq-protocol-types v6.0.0-rc12
[INFO] [stderr]     Checking async-lapin v0.2.1
[INFO] [stderr]  Documenting async-amqp v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 22s
[INFO] running `Command { std: "docker" "inspect" "62fb3ac81405d734195a7a78aceaa74687c588c92253b6a106e9d71ac4b63aa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62fb3ac81405d734195a7a78aceaa74687c588c92253b6a106e9d71ac4b63aa4", kill_on_drop: false }`
[INFO] [stdout] 62fb3ac81405d734195a7a78aceaa74687c588c92253b6a106e9d71ac4b63aa4