[INFO] fetching crate async-io 0.2.5...
[INFO] documenting async-io-0.2.5 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate async-io 0.2.5 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate async-io 0.2.5 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 async-io 0.2.5
[INFO] finished tweaking crates.io crate async-io 0.2.5
[INFO] tweaked toml for crates.io crate async-io 0.2.5 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate async-io 0.2.5 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5424d8b150b5a8ac26786527073ad9edfe91a1d8ff8c03fc0c175567f3a74180
[INFO] running `Command { std: "docker" "start" "-a" "5424d8b150b5a8ac26786527073ad9edfe91a1d8ff8c03fc0c175567f3a74180", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5424d8b150b5a8ac26786527073ad9edfe91a1d8ff8c03fc0c175567f3a74180", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5424d8b150b5a8ac26786527073ad9edfe91a1d8ff8c03fc0c175567f3a74180", kill_on_drop: false }`
[INFO] [stdout] 5424d8b150b5a8ac26786527073ad9edfe91a1d8ff8c03fc0c175567f3a74180
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ef6c59f5491dbbfc45b8bad0f98e57687d64280f1ba4ce6948afff79ade494af
[INFO] running `Command { std: "docker" "start" "-a" "ef6c59f5491dbbfc45b8bad0f98e57687d64280f1ba4ce6948afff79ade494af", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]     Checking fastrand v1.3.4
[INFO] [stderr]     Checking waker-fn v1.0.0
[INFO] [stderr]     Checking vec-arena v0.5.0
[INFO] [stderr]     Checking futures-lite v1.0.0
[INFO] [stderr]     Checking polling v0.1.5
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]  Documenting async-io v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.25s
[INFO] running `Command { std: "docker" "inspect" "ef6c59f5491dbbfc45b8bad0f98e57687d64280f1ba4ce6948afff79ade494af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef6c59f5491dbbfc45b8bad0f98e57687d64280f1ba4ce6948afff79ade494af", kill_on_drop: false }`
[INFO] [stdout] ef6c59f5491dbbfc45b8bad0f98e57687d64280f1ba4ce6948afff79ade494af