[INFO] fetching crate iccp 0.0.1...
[INFO] documenting iccp-0.0.1 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate iccp 0.0.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate iccp 0.0.1 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 iccp 0.0.1
[INFO] finished tweaking crates.io crate iccp 0.0.1
[INFO] tweaked toml for crates.io crate iccp 0.0.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate iccp 0.0.1 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] 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] 0683e3999a68465ba5df18ef206e235d2f5ce1da5a15c7a97c40d93b1a97232d
[INFO] running `Command { std: "docker" "start" "-a" "0683e3999a68465ba5df18ef206e235d2f5ce1da5a15c7a97c40d93b1a97232d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0683e3999a68465ba5df18ef206e235d2f5ce1da5a15c7a97c40d93b1a97232d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0683e3999a68465ba5df18ef206e235d2f5ce1da5a15c7a97c40d93b1a97232d", kill_on_drop: false }`
[INFO] [stdout] 0683e3999a68465ba5df18ef206e235d2f5ce1da5a15c7a97c40d93b1a97232d
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6c612ea22cee8513a98766ea8bec3eda7d2af215652a8d6871cfd9424f60d267
[INFO] running `Command { std: "docker" "start" "-a" "6c612ea22cee8513a98766ea8bec3eda7d2af215652a8d6871cfd9424f60d267", kill_on_drop: false }`
[INFO] [stderr]  Documenting iccp v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.91s
[INFO] running `Command { std: "docker" "inspect" "6c612ea22cee8513a98766ea8bec3eda7d2af215652a8d6871cfd9424f60d267", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c612ea22cee8513a98766ea8bec3eda7d2af215652a8d6871cfd9424f60d267", kill_on_drop: false }`
[INFO] [stdout] 6c612ea22cee8513a98766ea8bec3eda7d2af215652a8d6871cfd9424f60d267
[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] [stdout] bdc7914867cb9f31c592c77bb3e0eac2ede536ef8880079608dd49b9350506de
[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" "bdc7914867cb9f31c592c77bb3e0eac2ede536ef8880079608dd49b9350506de", kill_on_drop: false }`
[INFO] [stderr]  Documenting iccp v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `Command { std: "docker" "inspect" "bdc7914867cb9f31c592c77bb3e0eac2ede536ef8880079608dd49b9350506de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdc7914867cb9f31c592c77bb3e0eac2ede536ef8880079608dd49b9350506de", kill_on_drop: false }`
[INFO] [stdout] bdc7914867cb9f31c592c77bb3e0eac2ede536ef8880079608dd49b9350506de