[INFO] fetching crate semver-parser 0.10.2...
[INFO] documenting semver-parser-0.10.2 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate semver-parser 0.10.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate semver-parser 0.10.2 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 semver-parser 0.10.2
[INFO] finished tweaking crates.io crate semver-parser 0.10.2
[INFO] tweaked toml for crates.io crate semver-parser 0.10.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate semver-parser 0.10.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v1.0.34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] c921d30f7e1a67127cc436f734373992776064859e7951db8b7ad7e247042338
[INFO] running `Command { std: "docker" "start" "-a" "c921d30f7e1a67127cc436f734373992776064859e7951db8b7ad7e247042338", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c921d30f7e1a67127cc436f734373992776064859e7951db8b7ad7e247042338", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c921d30f7e1a67127cc436f734373992776064859e7951db8b7ad7e247042338", kill_on_drop: false }`
[INFO] [stdout] c921d30f7e1a67127cc436f734373992776064859e7951db8b7ad7e247042338
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 9b7830b7051160ae5c1f475f509e9d200188ff6559a6fe179cfa64bac4190e1d
[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" "9b7830b7051160ae5c1f475f509e9d200188ff6559a6fe179cfa64bac4190e1d", kill_on_drop: false }`
[INFO] [stderr]     Checking ucd-trie v0.1.3
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]  Documenting semver-parser v0.10.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.35s
[INFO] running `Command { std: "docker" "inspect" "9b7830b7051160ae5c1f475f509e9d200188ff6559a6fe179cfa64bac4190e1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b7830b7051160ae5c1f475f509e9d200188ff6559a6fe179cfa64bac4190e1d", kill_on_drop: false }`
[INFO] [stdout] 9b7830b7051160ae5c1f475f509e9d200188ff6559a6fe179cfa64bac4190e1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 9ef0882f8ec95bb495207ce6eda8bd0e8f7a92c1bfd0aa0b06c1f8b4099a736a
[INFO] running `Command { std: "docker" "start" "-a" "9ef0882f8ec95bb495207ce6eda8bd0e8f7a92c1bfd0aa0b06c1f8b4099a736a", kill_on_drop: false }`
[INFO] [stderr]     Checking ucd-trie v0.1.3
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]  Documenting semver-parser v0.10.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.92s
[INFO] running `Command { std: "docker" "inspect" "9ef0882f8ec95bb495207ce6eda8bd0e8f7a92c1bfd0aa0b06c1f8b4099a736a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ef0882f8ec95bb495207ce6eda8bd0e8f7a92c1bfd0aa0b06c1f8b4099a736a", kill_on_drop: false }`
[INFO] [stdout] 9ef0882f8ec95bb495207ce6eda8bd0e8f7a92c1bfd0aa0b06c1f8b4099a736a