[INFO] cloning repository https://github.com/furuhama/epoll
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/furuhama/epoll" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffuruhama%2Fepoll", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffuruhama%2Fepoll'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d0424b0a047f489a7d5d7dcea20ea2996980d372
[INFO] documenting furuhama/epoll against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffuruhama%2Fepoll" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/furuhama/epoll 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 git repo https://github.com/furuhama/epoll
[INFO] finished tweaking git repo https://github.com/furuhama/epoll
[INFO] tweaked toml for git repo https://github.com/furuhama/epoll written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/furuhama/epoll 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-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] cff596a25f1957e8dfe8f983050e1fa1deaecf8dfe7bf46219ed033f3b26ed01
[INFO] running `Command { std: "docker" "start" "-a" "cff596a25f1957e8dfe8f983050e1fa1deaecf8dfe7bf46219ed033f3b26ed01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cff596a25f1957e8dfe8f983050e1fa1deaecf8dfe7bf46219ed033f3b26ed01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cff596a25f1957e8dfe8f983050e1fa1deaecf8dfe7bf46219ed033f3b26ed01", kill_on_drop: false }`
[INFO] [stdout] cff596a25f1957e8dfe8f983050e1fa1deaecf8dfe7bf46219ed033f3b26ed01
[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] 906e678c35dc733b1f1778e2f4e5a99690337bf688a4e42dcb788d30aef62d5d
[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" "906e678c35dc733b1f1778e2f4e5a99690337bf688a4e42dcb788d30aef62d5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]  Documenting epoll v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.76s
[INFO] running `Command { std: "docker" "inspect" "906e678c35dc733b1f1778e2f4e5a99690337bf688a4e42dcb788d30aef62d5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "906e678c35dc733b1f1778e2f4e5a99690337bf688a4e42dcb788d30aef62d5d", kill_on_drop: false }`
[INFO] [stdout] 906e678c35dc733b1f1778e2f4e5a99690337bf688a4e42dcb788d30aef62d5d
[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] 8a6912314cfc5913b9ed8542caa29d71580a2a54e0ee9c7c036f0e863867f1df
[INFO] running `Command { std: "docker" "start" "-a" "8a6912314cfc5913b9ed8542caa29d71580a2a54e0ee9c7c036f0e863867f1df", kill_on_drop: false }`
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]     Checking cfg-if v0.1.4
[INFO] [stderr]  Documenting epoll v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.85s
[INFO] running `Command { std: "docker" "inspect" "8a6912314cfc5913b9ed8542caa29d71580a2a54e0ee9c7c036f0e863867f1df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a6912314cfc5913b9ed8542caa29d71580a2a54e0ee9c7c036f0e863867f1df", kill_on_drop: false }`
[INFO] [stdout] 8a6912314cfc5913b9ed8542caa29d71580a2a54e0ee9c7c036f0e863867f1df