[INFO] cloning repository https://github.com/zaki-yama-labs/rust-bicycle-book-wordcount
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zaki-yama-labs/rust-bicycle-book-wordcount" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzaki-yama-labs%2Frust-bicycle-book-wordcount", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzaki-yama-labs%2Frust-bicycle-book-wordcount'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 922a6f03fda59747eff1561ee947732d96bd7897
[INFO] documenting zaki-yama-labs/rust-bicycle-book-wordcount 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%2Fzaki-yama-labs%2Frust-bicycle-book-wordcount" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zaki-yama-labs/rust-bicycle-book-wordcount 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/zaki-yama-labs/rust-bicycle-book-wordcount
[INFO] finished tweaking git repo https://github.com/zaki-yama-labs/rust-bicycle-book-wordcount
[INFO] tweaked toml for git repo https://github.com/zaki-yama-labs/rust-bicycle-book-wordcount written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/zaki-yama-labs/rust-bicycle-book-wordcount 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-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] 74742d1dbcea6e10765957ab95d12362f0f4777a2775d57c85c5d24c275fe1a5
[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" "74742d1dbcea6e10765957ab95d12362f0f4777a2775d57c85c5d24c275fe1a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74742d1dbcea6e10765957ab95d12362f0f4777a2775d57c85c5d24c275fe1a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74742d1dbcea6e10765957ab95d12362f0f4777a2775d57c85c5d24c275fe1a5", kill_on_drop: false }`
[INFO] [stdout] 74742d1dbcea6e10765957ab95d12362f0f4777a2775d57c85c5d24c275fe1a5
[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] 3432698a7c40c7f80fd75c3eef3993aaf5875925b7e6356149356cbff9bded38
[INFO] running `Command { std: "docker" "start" "-a" "3432698a7c40c7f80fd75c3eef3993aaf5875925b7e6356149356cbff9bded38", kill_on_drop: false }`
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]  Documenting zaki-yama-bicycle-book-wordcount v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.88s
[INFO] running `Command { std: "docker" "inspect" "3432698a7c40c7f80fd75c3eef3993aaf5875925b7e6356149356cbff9bded38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3432698a7c40c7f80fd75c3eef3993aaf5875925b7e6356149356cbff9bded38", kill_on_drop: false }`
[INFO] [stdout] 3432698a7c40c7f80fd75c3eef3993aaf5875925b7e6356149356cbff9bded38
[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" "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] 9b5b05a5101e308753e3b58d1f85c6229f75c98041299156ec570c2ad07fb05d
[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" "9b5b05a5101e308753e3b58d1f85c6229f75c98041299156ec570c2ad07fb05d", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]  Documenting zaki-yama-bicycle-book-wordcount v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.90s
[INFO] running `Command { std: "docker" "inspect" "9b5b05a5101e308753e3b58d1f85c6229f75c98041299156ec570c2ad07fb05d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b5b05a5101e308753e3b58d1f85c6229f75c98041299156ec570c2ad07fb05d", kill_on_drop: false }`
[INFO] [stdout] 9b5b05a5101e308753e3b58d1f85c6229f75c98041299156ec570c2ad07fb05d