[INFO] fetching crate proofmarshal 0.0.0-prealpha...
[INFO] documenting proofmarshal-0.0.0-prealpha against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate proofmarshal 0.0.0-prealpha into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate proofmarshal 0.0.0-prealpha 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 proofmarshal 0.0.0-prealpha
[INFO] finished tweaking crates.io crate proofmarshal 0.0.0-prealpha
[INFO] tweaked toml for crates.io crate proofmarshal 0.0.0-prealpha written to /workspace/builds/worker-0/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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 901b5523dfc47afbed01a07289423f6b3ffe1d8d5e39661f48b85936fdabfe7f
[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" "901b5523dfc47afbed01a07289423f6b3ffe1d8d5e39661f48b85936fdabfe7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "901b5523dfc47afbed01a07289423f6b3ffe1d8d5e39661f48b85936fdabfe7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "901b5523dfc47afbed01a07289423f6b3ffe1d8d5e39661f48b85936fdabfe7f", kill_on_drop: false }`
[INFO] [stdout] 901b5523dfc47afbed01a07289423f6b3ffe1d8d5e39661f48b85936fdabfe7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] d988c7e97db1409a048a177fcdebddb26b3eed37f9f192f78268a4b11018feff
[INFO] running `Command { std: "docker" "start" "-a" "d988c7e97db1409a048a177fcdebddb26b3eed37f9f192f78268a4b11018feff", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting proofmarshal v0.0.0-prealpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.18s
[INFO] running `Command { std: "docker" "inspect" "d988c7e97db1409a048a177fcdebddb26b3eed37f9f192f78268a4b11018feff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d988c7e97db1409a048a177fcdebddb26b3eed37f9f192f78268a4b11018feff", kill_on_drop: false }`
[INFO] [stdout] d988c7e97db1409a048a177fcdebddb26b3eed37f9f192f78268a4b11018feff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=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] a71ac1102b2e20b0cbaa83ec05e3a09a92ed96744559ff64afa50a9ebc0a2e46
[INFO] running `Command { std: "docker" "start" "-a" "a71ac1102b2e20b0cbaa83ec05e3a09a92ed96744559ff64afa50a9ebc0a2e46", kill_on_drop: false }`
[INFO] [stderr]  Documenting proofmarshal v0.0.0-prealpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `Command { std: "docker" "inspect" "a71ac1102b2e20b0cbaa83ec05e3a09a92ed96744559ff64afa50a9ebc0a2e46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a71ac1102b2e20b0cbaa83ec05e3a09a92ed96744559ff64afa50a9ebc0a2e46", kill_on_drop: false }`
[INFO] [stdout] a71ac1102b2e20b0cbaa83ec05e3a09a92ed96744559ff64afa50a9ebc0a2e46