[INFO] fetching crate thruster-core-async-await 0.9.0-alpha.2...
[INFO] documenting thruster-core-async-await-0.9.0-alpha.2 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate thruster-core-async-await 0.9.0-alpha.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate thruster-core-async-await 0.9.0-alpha.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 thruster-core-async-await 0.9.0-alpha.2
[INFO] finished tweaking crates.io crate thruster-core-async-await 0.9.0-alpha.2
[INFO] tweaked toml for crates.io crate thruster-core-async-await 0.9.0-alpha.2 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 2bf56d289de11338f81b568e74946e8b7f66cf1e7f2d6e35640369f900f10407
[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" "2bf56d289de11338f81b568e74946e8b7f66cf1e7f2d6e35640369f900f10407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2bf56d289de11338f81b568e74946e8b7f66cf1e7f2d6e35640369f900f10407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bf56d289de11338f81b568e74946e8b7f66cf1e7f2d6e35640369f900f10407", kill_on_drop: false }`
[INFO] [stdout] 2bf56d289de11338f81b568e74946e8b7f66cf1e7f2d6e35640369f900f10407
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 7136b4727b70a38891edaec7aa29bcc98fd433e558db461352510c6212f2a994
[INFO] running `Command { std: "docker" "start" "-a" "7136b4727b70a38891edaec7aa29bcc98fd433e558db461352510c6212f2a994", kill_on_drop: false }`
[INFO] [stderr]  Documenting thruster-core-async-await v0.9.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `Command { std: "docker" "inspect" "7136b4727b70a38891edaec7aa29bcc98fd433e558db461352510c6212f2a994", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7136b4727b70a38891edaec7aa29bcc98fd433e558db461352510c6212f2a994", kill_on_drop: false }`
[INFO] [stdout] 7136b4727b70a38891edaec7aa29bcc98fd433e558db461352510c6212f2a994