[INFO] fetching crate lapin 1.2.2...
[INFO] documenting lapin-1.2.2 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate lapin 1.2.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate lapin 1.2.2 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 lapin 1.2.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate lapin 1.2.2
[INFO] tweaked toml for crates.io crate lapin 1.2.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate lapin 1.2.2 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 quick-error v2.0.0
[INFO] [stderr]   Downloaded handlebars v3.4.0
[INFO] [stderr]   Downloaded p12 v0.1.4
[INFO] [stderr]   Downloaded des v0.3.0
[INFO] [stderr]   Downloaded amq-protocol-codegen v6.0.0-rc12
[INFO] [stderr]   Downloaded futures-test v0.3.5
[INFO] [stderr]   Downloaded yasna v0.3.2
[INFO] [stderr]   Downloaded rustls-connector v0.12.0
[INFO] [stderr]   Downloaded rc2 v0.3.0
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c7ee0494624ce435c8ba5808bbd73f0bcfccf5206f8eee4eda3395452fd3e89e
[INFO] running `Command { std: "docker" "start" "-a" "c7ee0494624ce435c8ba5808bbd73f0bcfccf5206f8eee4eda3395452fd3e89e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7ee0494624ce435c8ba5808bbd73f0bcfccf5206f8eee4eda3395452fd3e89e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7ee0494624ce435c8ba5808bbd73f0bcfccf5206f8eee4eda3395452fd3e89e", kill_on_drop: false }`
[INFO] [stdout] c7ee0494624ce435c8ba5808bbd73f0bcfccf5206f8eee4eda3395452fd3e89e
[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] c61d36c5e9f0e61e47191468438e1ea7b1c938b9612f2b0fb8c42d14ad4bec4c
[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" "c61d36c5e9f0e61e47191468438e1ea7b1c938b9612f2b0fb8c42d14ad4bec4c", 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking instant v0.1.6
[INFO] [stderr]    Compiling amq-protocol v6.0.0-rc12
[INFO] [stderr]     Checking tracing-core v0.1.14
[INFO] [stderr]     Checking cookie-factory v0.3.1
[INFO] [stderr]    Compiling lapin v1.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]    Compiling nom v6.0.0-alpha1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking mio v0.7.0
[INFO] [stderr]     Checking amq-protocol-uri v6.0.0-rc12
[INFO] [stderr]     Checking native-tls v0.2.4
[INFO] [stderr]     Checking pem v0.8.1
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]     Checking tcp-stream v0.20.3
[INFO] [stderr]     Checking pinky-swear v4.2.3
[INFO] [stderr]     Checking amq-protocol-tcp v6.0.0-rc12
[INFO] [stderr]     Checking crossbeam-channel v0.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking amq-protocol-types v6.0.0-rc12
[INFO] [stderr]  Documenting lapin v1.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.14s
[INFO] running `Command { std: "docker" "inspect" "c61d36c5e9f0e61e47191468438e1ea7b1c938b9612f2b0fb8c42d14ad4bec4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c61d36c5e9f0e61e47191468438e1ea7b1c938b9612f2b0fb8c42d14ad4bec4c", kill_on_drop: false }`
[INFO] [stdout] c61d36c5e9f0e61e47191468438e1ea7b1c938b9612f2b0fb8c42d14ad4bec4c