[INFO] fetching crate ignore 0.4.18...
[INFO] documenting ignore-0.4.18 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate ignore 0.4.18 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate ignore 0.4.18 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 ignore 0.4.18
[INFO] finished tweaking crates.io crate ignore 0.4.18
[INFO] tweaked toml for crates.io crate ignore 0.4.18 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate ignore 0.4.18 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 globset v0.4.7
[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] 3f56c22fdb0eea17d86462ebc33bc3d42bdee6b16e0688a06ead8edd544fe8c6
[INFO] running `Command { std: "docker" "start" "-a" "3f56c22fdb0eea17d86462ebc33bc3d42bdee6b16e0688a06ead8edd544fe8c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f56c22fdb0eea17d86462ebc33bc3d42bdee6b16e0688a06ead8edd544fe8c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f56c22fdb0eea17d86462ebc33bc3d42bdee6b16e0688a06ead8edd544fe8c6", kill_on_drop: false }`
[INFO] [stdout] 3f56c22fdb0eea17d86462ebc33bc3d42bdee6b16e0688a06ead8edd544fe8c6
[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] d29f5a9e308b78bf2ecd758d4de6315f66e74a26013d06f6bf2a5ec4a9759dd3
[INFO] running `Command { std: "docker" "start" "-a" "d29f5a9e308b78bf2ecd758d4de6315f66e74a26013d06f6bf2a5ec4a9759dd3", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking memchr v2.4.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking globset v0.4.7
[INFO] [stderr]  Documenting ignore v0.4.18 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.01s
[INFO] running `Command { std: "docker" "inspect" "d29f5a9e308b78bf2ecd758d4de6315f66e74a26013d06f6bf2a5ec4a9759dd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d29f5a9e308b78bf2ecd758d4de6315f66e74a26013d06f6bf2a5ec4a9759dd3", kill_on_drop: false }`
[INFO] [stdout] d29f5a9e308b78bf2ecd758d4de6315f66e74a26013d06f6bf2a5ec4a9759dd3
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9bb236385e5c07143301140b27ad0c228af9e722763b9a48b9cfbd9a7dabae8f
[INFO] running `Command { std: "docker" "start" "-a" "9bb236385e5c07143301140b27ad0c228af9e722763b9a48b9cfbd9a7dabae8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking globset v0.4.7
[INFO] [stderr]  Documenting ignore v0.4.18 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.65s
[INFO] running `Command { std: "docker" "inspect" "9bb236385e5c07143301140b27ad0c228af9e722763b9a48b9cfbd9a7dabae8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bb236385e5c07143301140b27ad0c228af9e722763b9a48b9cfbd9a7dabae8f", kill_on_drop: false }`
[INFO] [stdout] 9bb236385e5c07143301140b27ad0c228af9e722763b9a48b9cfbd9a7dabae8f