[INFO] fetching crate hybrid-rc 0.6.0...
[INFO] documenting hybrid-rc-0.6.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate hybrid-rc 0.6.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate hybrid-rc 0.6.0 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 hybrid-rc 0.6.0
[INFO] finished tweaking crates.io crate hybrid-rc 0.6.0
[INFO] tweaked toml for crates.io crate hybrid-rc 0.6.0 written to /workspace/builds/worker-3/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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] 12821c73bed63c56b1c5c57e292e841a8c4fc96916e394fd40d191520637ca9d
[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" "12821c73bed63c56b1c5c57e292e841a8c4fc96916e394fd40d191520637ca9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12821c73bed63c56b1c5c57e292e841a8c4fc96916e394fd40d191520637ca9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12821c73bed63c56b1c5c57e292e841a8c4fc96916e394fd40d191520637ca9d", kill_on_drop: false }`
[INFO] [stdout] 12821c73bed63c56b1c5c57e292e841a8c4fc96916e394fd40d191520637ca9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 2368b720c43d148b2ad83d10e733fb824cacfc0abf76a6b430ecfcff5482a574
[INFO] running `Command { std: "docker" "start" "-a" "2368b720c43d148b2ad83d10e733fb824cacfc0abf76a6b430ecfcff5482a574", kill_on_drop: false }`
[INFO] [stderr]  Documenting hybrid-rc v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.21s
[INFO] running `Command { std: "docker" "inspect" "2368b720c43d148b2ad83d10e733fb824cacfc0abf76a6b430ecfcff5482a574", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2368b720c43d148b2ad83d10e733fb824cacfc0abf76a6b430ecfcff5482a574", kill_on_drop: false }`
[INFO] [stdout] 2368b720c43d148b2ad83d10e733fb824cacfc0abf76a6b430ecfcff5482a574
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 2a8040812e5c0b706c068bafd5596c01b6e8e3cfb6b5866f4d57ebc091fea695
[INFO] running `Command { std: "docker" "start" "-a" "2a8040812e5c0b706c068bafd5596c01b6e8e3cfb6b5866f4d57ebc091fea695", kill_on_drop: false }`
[INFO] [stderr]  Documenting hybrid-rc v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.98s
[INFO] running `Command { std: "docker" "inspect" "2a8040812e5c0b706c068bafd5596c01b6e8e3cfb6b5866f4d57ebc091fea695", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a8040812e5c0b706c068bafd5596c01b6e8e3cfb6b5866f4d57ebc091fea695", kill_on_drop: false }`
[INFO] [stdout] 2a8040812e5c0b706c068bafd5596c01b6e8e3cfb6b5866f4d57ebc091fea695