[INFO] cloning repository https://github.com/sourcepirate/L-voice-changer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sourcepirate/L-voice-changer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsourcepirate%2FL-voice-changer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsourcepirate%2FL-voice-changer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 745500c4a0f4bcb9da781c862f22badd6275bf21
[INFO] documenting sourcepirate/L-voice-changer against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsourcepirate%2FL-voice-changer" "/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/sourcepirate/L-voice-changer on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sourcepirate/L-voice-changer
[INFO] finished tweaking git repo https://github.com/sourcepirate/L-voice-changer
[INFO] tweaked toml for git repo https://github.com/sourcepirate/L-voice-changer written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/sourcepirate/L-voice-changer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1efd06bedc023707e1f5a53de59011462c1d5e6103cf54f6d1843432efa73a8
[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" "e1efd06bedc023707e1f5a53de59011462c1d5e6103cf54f6d1843432efa73a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1efd06bedc023707e1f5a53de59011462c1d5e6103cf54f6d1843432efa73a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1efd06bedc023707e1f5a53de59011462c1d5e6103cf54f6d1843432efa73a8", kill_on_drop: false }`
[INFO] [stdout] e1efd06bedc023707e1f5a53de59011462c1d5e6103cf54f6d1843432efa73a8
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "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] 0a50734a4ebb0ff037644b60a5a1df4914c067cf6bfbbf13bb625bf4afa6c2af
[INFO] running `Command { std: "docker" "start" "-a" "0a50734a4ebb0ff037644b60a5a1df4914c067cf6bfbbf13bb625bf4afa6c2af", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]     Checking quick-error v1.2.1
[INFO] [stderr]     Checking regex-syntax v0.5.3
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking atty v0.2.8
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking env_logger v0.5.6
[INFO] [stderr]  Documenting lvoice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.52s
[INFO] running `Command { std: "docker" "inspect" "0a50734a4ebb0ff037644b60a5a1df4914c067cf6bfbbf13bb625bf4afa6c2af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a50734a4ebb0ff037644b60a5a1df4914c067cf6bfbbf13bb625bf4afa6c2af", kill_on_drop: false }`
[INFO] [stdout] 0a50734a4ebb0ff037644b60a5a1df4914c067cf6bfbbf13bb625bf4afa6c2af