[INFO] fetching crate crossbeam-stack 0.0.0...
[INFO] documenting crossbeam-stack-0.0.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate crossbeam-stack 0.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate crossbeam-stack 0.0.0 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 crossbeam-stack 0.0.0
[INFO] finished tweaking crates.io crate crossbeam-stack 0.0.0
[INFO] tweaked toml for crates.io crate crossbeam-stack 0.0.0 written to /workspace/builds/worker-6/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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 6532a03af8f22b248c5081abfaf4173734e15300be30c5c72bee2ab91d252f61
[INFO] running `Command { std: "docker" "start" "-a" "6532a03af8f22b248c5081abfaf4173734e15300be30c5c72bee2ab91d252f61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6532a03af8f22b248c5081abfaf4173734e15300be30c5c72bee2ab91d252f61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6532a03af8f22b248c5081abfaf4173734e15300be30c5c72bee2ab91d252f61", kill_on_drop: false }`
[INFO] [stdout] 6532a03af8f22b248c5081abfaf4173734e15300be30c5c72bee2ab91d252f61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] e73f5fbd910afd4aef8be6bf889e91c3719a88a968d28f63c3ec09acaa397c37
[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" "e73f5fbd910afd4aef8be6bf889e91c3719a88a968d28f63c3ec09acaa397c37", kill_on_drop: false }`
[INFO] [stderr]  Documenting crossbeam-stack v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.09s
[INFO] running `Command { std: "docker" "inspect" "e73f5fbd910afd4aef8be6bf889e91c3719a88a968d28f63c3ec09acaa397c37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e73f5fbd910afd4aef8be6bf889e91c3719a88a968d28f63c3ec09acaa397c37", kill_on_drop: false }`
[INFO] [stdout] e73f5fbd910afd4aef8be6bf889e91c3719a88a968d28f63c3ec09acaa397c37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 72c74d3a7f7b72a3b910d6fa5866d5929f76e7bda0297e702503f97fe222a0f6
[INFO] running `Command { std: "docker" "start" "-a" "72c74d3a7f7b72a3b910d6fa5866d5929f76e7bda0297e702503f97fe222a0f6", kill_on_drop: false }`
[INFO] [stderr]  Documenting crossbeam-stack v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `Command { std: "docker" "inspect" "72c74d3a7f7b72a3b910d6fa5866d5929f76e7bda0297e702503f97fe222a0f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72c74d3a7f7b72a3b910d6fa5866d5929f76e7bda0297e702503f97fe222a0f6", kill_on_drop: false }`
[INFO] [stdout] 72c74d3a7f7b72a3b910d6fa5866d5929f76e7bda0297e702503f97fe222a0f6