[INFO] fetching crate my-ast 0.1.0...
[INFO] documenting my-ast-0.1.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate my-ast 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate my-ast 0.1.0 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 my-ast 0.1.0
[INFO] finished tweaking crates.io crate my-ast 0.1.0
[INFO] tweaked toml for crates.io crate my-ast 0.1.0 written to /workspace/builds/worker-10/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] [stderr]     Blocking waiting for file lock on package cache
[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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 898c96a2596322951f93e2481f1df6ab18846a09fbfaa4d82cc19b5eb9d56506
[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" "898c96a2596322951f93e2481f1df6ab18846a09fbfaa4d82cc19b5eb9d56506", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "898c96a2596322951f93e2481f1df6ab18846a09fbfaa4d82cc19b5eb9d56506", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "898c96a2596322951f93e2481f1df6ab18846a09fbfaa4d82cc19b5eb9d56506", kill_on_drop: false }`
[INFO] [stdout] 898c96a2596322951f93e2481f1df6ab18846a09fbfaa4d82cc19b5eb9d56506
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 8e7f7e176a4865b729c85cf0b0bb597701c7edc89d6b96c65ef8d2f4e6ade6b5
[INFO] running `Command { std: "docker" "start" "-a" "8e7f7e176a4865b729c85cf0b0bb597701c7edc89d6b96c65ef8d2f4e6ade6b5", kill_on_drop: false }`
[INFO] [stderr]  Documenting my-ast v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.25s
[INFO] running `Command { std: "docker" "inspect" "8e7f7e176a4865b729c85cf0b0bb597701c7edc89d6b96c65ef8d2f4e6ade6b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e7f7e176a4865b729c85cf0b0bb597701c7edc89d6b96c65ef8d2f4e6ade6b5", kill_on_drop: false }`
[INFO] [stdout] 8e7f7e176a4865b729c85cf0b0bb597701c7edc89d6b96c65ef8d2f4e6ade6b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stdout] ab98a42150123fcccd201aa1976c7e24f68a999b7772841b6c6d57f655e69d20
[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" "ab98a42150123fcccd201aa1976c7e24f68a999b7772841b6c6d57f655e69d20", kill_on_drop: false }`
[INFO] [stderr]  Documenting my-ast v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.92s
[INFO] running `Command { std: "docker" "inspect" "ab98a42150123fcccd201aa1976c7e24f68a999b7772841b6c6d57f655e69d20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab98a42150123fcccd201aa1976c7e24f68a999b7772841b6c6d57f655e69d20", kill_on_drop: false }`
[INFO] [stdout] ab98a42150123fcccd201aa1976c7e24f68a999b7772841b6c6d57f655e69d20