[INFO] cloning repository https://github.com/LycrusHamster/lua-rust-interop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LycrusHamster/lua-rust-interop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLycrusHamster%2Flua-rust-interop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLycrusHamster%2Flua-rust-interop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e216ad5d6ae7f47155950c8d26d02bf456826054
[INFO] documenting LycrusHamster/lua-rust-interop against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLycrusHamster%2Flua-rust-interop" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LycrusHamster/lua-rust-interop on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LycrusHamster/lua-rust-interop
[INFO] finished tweaking git repo https://github.com/LycrusHamster/lua-rust-interop
[INFO] tweaked toml for git repo https://github.com/LycrusHamster/lua-rust-interop written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/LycrusHamster/lua-rust-interop already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rlua v0.17.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b59f68d63ffa9dc2439bbeb71c71e33e4c87889eb9398f938e3e58afe85df581
[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" "b59f68d63ffa9dc2439bbeb71c71e33e4c87889eb9398f938e3e58afe85df581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b59f68d63ffa9dc2439bbeb71c71e33e4c87889eb9398f938e3e58afe85df581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b59f68d63ffa9dc2439bbeb71c71e33e4c87889eb9398f938e3e58afe85df581", kill_on_drop: false }`
[INFO] [stdout] b59f68d63ffa9dc2439bbeb71c71e33e4c87889eb9398f938e3e58afe85df581
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 931d035c40f769ef8c3f32e280ff3366855129128df0285a62e71d031728879e
[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" "931d035c40f769ef8c3f32e280ff3366855129128df0285a62e71d031728879e", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]    Compiling rlua v0.17.0
[INFO] [stderr]  Documenting rust-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.13s
[INFO] running `Command { std: "docker" "inspect" "931d035c40f769ef8c3f32e280ff3366855129128df0285a62e71d031728879e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "931d035c40f769ef8c3f32e280ff3366855129128df0285a62e71d031728879e", kill_on_drop: false }`
[INFO] [stdout] 931d035c40f769ef8c3f32e280ff3366855129128df0285a62e71d031728879e