[INFO] updating cached repository https://github.com/voloyev/rabbitmq_playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 34366394540a43a1bb6f7d18cc5613ac29a85e4c
[INFO] documenting voloyev/rabbitmq_playground against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvoloyev%2Frabbitmq_playground" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/voloyev/rabbitmq_playground on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/voloyev/rabbitmq_playground
[INFO] finished tweaking git repo https://github.com/voloyev/rabbitmq_playground
[INFO] tweaked toml for git repo https://github.com/voloyev/rabbitmq_playground written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/voloyev/rabbitmq_playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "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] 454c134a805f0466cd3d5b718be236b94ed03fda3195e4abf14fe0e6a9b6c767
[INFO] running `Command { std: "docker" "start" "-a" "454c134a805f0466cd3d5b718be236b94ed03fda3195e4abf14fe0e6a9b6c767", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "454c134a805f0466cd3d5b718be236b94ed03fda3195e4abf14fe0e6a9b6c767", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "454c134a805f0466cd3d5b718be236b94ed03fda3195e4abf14fe0e6a9b6c767", kill_on_drop: false }`
[INFO] [stdout] 454c134a805f0466cd3d5b718be236b94ed03fda3195e4abf14fe0e6a9b6c767
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "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] eb43c3176529689dc18560921621669c03a31e4015c4934f711aa7eb3a4efc47
[INFO] running `Command { std: "docker" "start" "-a" "eb43c3176529689dc18560921621669c03a31e4015c4934f711aa7eb3a4efc47", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling serde v1.0.79
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling utf8-ranges v1.0.1
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling cookie-factory v0.2.4
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling unicode-normalization v0.1.7
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]     Checking safemem v0.3.0
[INFO] [stderr]     Checking log v0.4.5
[INFO] [stderr]     Checking tokio-executor v0.1.5
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]    Compiling regex-syntax v0.6.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking smallvec v0.6.5
[INFO] [stderr]     Checking tokio-timer v0.2.7
[INFO] [stderr]     Checking tokio-current-thread v0.1.3
[INFO] [stderr]     Checking tokio-io v0.1.9
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]    Compiling pest_derive v1.0.8
[INFO] [stderr]     Checking lock_api v0.1.4
[INFO] [stderr]    Compiling syn v0.15.7
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]     Checking sasl v0.4.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking aho-corasick v0.6.8
[INFO] [stderr]     Checking nom v4.0.0
[INFO] [stderr]     Checking crossbeam-deque v0.6.1
[INFO] [stderr]     Checking regex v1.0.5
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking tokio-threadpool v0.1.7
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking tokio-reactor v0.1.6
[INFO] [stderr]     Checking url v1.7.1
[INFO] [stderr]     Checking tokio-fs v0.1.3
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking tokio-uds v0.2.2
[INFO] [stderr]     Checking tokio-udp v0.1.2
[INFO] [stderr]     Checking tokio v0.1.11
[INFO] [stderr]    Compiling serde_derive v1.0.79
[INFO] [stderr]     Checking serde_json v1.0.31
[INFO] [stderr]     Checking handlebars v0.32.4
[INFO] [stderr]    Compiling amq-protocol-types v1.0.0
[INFO] [stderr]     Checking amq-protocol-codegen v0.28.0
[INFO] [stderr]    Compiling amq-protocol v0.21.1
[INFO] [stderr]    Compiling lapin-async v0.13.0
[INFO] [stderr]     Checking lapin-futures v0.13.0
[INFO] [stderr]  Documenting rabbitmq v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 36s
[INFO] running `Command { std: "docker" "inspect" "eb43c3176529689dc18560921621669c03a31e4015c4934f711aa7eb3a4efc47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb43c3176529689dc18560921621669c03a31e4015c4934f711aa7eb3a4efc47", kill_on_drop: false }`
[INFO] [stdout] eb43c3176529689dc18560921621669c03a31e4015c4934f711aa7eb3a4efc47