[INFO] cloning repository https://github.com/liufuyang/rb62
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/liufuyang/rb62" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliufuyang%2Frb62", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliufuyang%2Frb62'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c5fb5867ae4eeed8ff6c01b13b94fb7e28e8f4cf
[INFO] documenting liufuyang/rb62 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliufuyang%2Frb62" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/liufuyang/rb62 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/liufuyang/rb62
[INFO] finished tweaking git repo https://github.com/liufuyang/rb62
[INFO] tweaked toml for git repo https://github.com/liufuyang/rb62 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/liufuyang/rb62 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5d72d75bf94b1fa9037d1c5df9a1a8bd59ecd0d40a86d354cc4ac771be055be
[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" "b5d72d75bf94b1fa9037d1c5df9a1a8bd59ecd0d40a86d354cc4ac771be055be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5d72d75bf94b1fa9037d1c5df9a1a8bd59ecd0d40a86d354cc4ac771be055be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5d72d75bf94b1fa9037d1c5df9a1a8bd59ecd0d40a86d354cc4ac771be055be", kill_on_drop: false }`
[INFO] [stdout] b5d72d75bf94b1fa9037d1c5df9a1a8bd59ecd0d40a86d354cc4ac771be055be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2022-05-20" "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] b2953586db79e7dd31233de773607d601c1b0985ef93a56b78600dfc0f346c31
[INFO] running `Command { std: "docker" "start" "-a" "b2953586db79e7dd31233de773607d601c1b0985ef93a56b78600dfc0f346c31", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]     Checking hex v0.4.0
[INFO] [stderr]     Checking specialized-div-rem v0.2.0
[INFO] [stderr]    Compiling rb62 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting rb62 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.57s
[INFO] running `Command { std: "docker" "inspect" "b2953586db79e7dd31233de773607d601c1b0985ef93a56b78600dfc0f346c31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2953586db79e7dd31233de773607d601c1b0985ef93a56b78600dfc0f346c31", kill_on_drop: false }`
[INFO] [stdout] b2953586db79e7dd31233de773607d601c1b0985ef93a56b78600dfc0f346c31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] d8b6db62a578fbb10d0e88853239d8b59c5f1efa746e0074c42ae44d377bce8e
[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" "d8b6db62a578fbb10d0e88853239d8b59c5f1efa746e0074c42ae44d377bce8e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking specialized-div-rem v0.2.0
[INFO] [stderr]     Checking hex v0.4.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling rb62 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting rb62 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.93s
[INFO] running `Command { std: "docker" "inspect" "d8b6db62a578fbb10d0e88853239d8b59c5f1efa746e0074c42ae44d377bce8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8b6db62a578fbb10d0e88853239d8b59c5f1efa746e0074c42ae44d377bce8e", kill_on_drop: false }`
[INFO] [stdout] d8b6db62a578fbb10d0e88853239d8b59c5f1efa746e0074c42ae44d377bce8e