[INFO] fetching crate async-semaphore 1.2.0...
[INFO] documenting async-semaphore-1.2.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate async-semaphore 1.2.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate async-semaphore 1.2.0 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-semaphore 1.2.0
[INFO] finished tweaking crates.io crate async-semaphore 1.2.0
[INFO] tweaked toml for crates.io crate async-semaphore 1.2.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "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] 9680e0e0938b08b2da6f7a9138117906519bb649b661340ae8e8c84f28da4044
[INFO] running `Command { std: "docker" "start" "-a" "9680e0e0938b08b2da6f7a9138117906519bb649b661340ae8e8c84f28da4044", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9680e0e0938b08b2da6f7a9138117906519bb649b661340ae8e8c84f28da4044", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9680e0e0938b08b2da6f7a9138117906519bb649b661340ae8e8c84f28da4044", kill_on_drop: false }`
[INFO] [stdout] 9680e0e0938b08b2da6f7a9138117906519bb649b661340ae8e8c84f28da4044
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "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] 355c225cef0148a69b40fb0ba36212d0a0363eae14c89dcb686e130e8a4f4f8d
[INFO] running `Command { std: "docker" "start" "-a" "355c225cef0148a69b40fb0ba36212d0a0363eae14c89dcb686e130e8a4f4f8d", kill_on_drop: false }`
[INFO] [stderr]     Checking event-listener v2.5.2
[INFO] [stderr]  Documenting async-semaphore v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.38s
[INFO] running `Command { std: "docker" "inspect" "355c225cef0148a69b40fb0ba36212d0a0363eae14c89dcb686e130e8a4f4f8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "355c225cef0148a69b40fb0ba36212d0a0363eae14c89dcb686e130e8a4f4f8d", kill_on_drop: false }`
[INFO] [stdout] 355c225cef0148a69b40fb0ba36212d0a0363eae14c89dcb686e130e8a4f4f8d
[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" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", 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] f09244403b7dcb1da9e7e28383e246f75791462a4a01d2b24e71294fbb97fd49
[INFO] running `Command { std: "docker" "start" "-a" "f09244403b7dcb1da9e7e28383e246f75791462a4a01d2b24e71294fbb97fd49", kill_on_drop: false }`
[INFO] [stderr]     Checking event-listener v2.5.2
[INFO] [stderr]  Documenting async-semaphore v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `Command { std: "docker" "inspect" "f09244403b7dcb1da9e7e28383e246f75791462a4a01d2b24e71294fbb97fd49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f09244403b7dcb1da9e7e28383e246f75791462a4a01d2b24e71294fbb97fd49", kill_on_drop: false }`
[INFO] [stdout] f09244403b7dcb1da9e7e28383e246f75791462a4a01d2b24e71294fbb97fd49