[INFO] cloning repository https://github.com/spacekookie/simple-rust-ffi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/spacekookie/simple-rust-ffi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspacekookie%2Fsimple-rust-ffi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspacekookie%2Fsimple-rust-ffi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 958cc4c19379f8b2d2a0315b2452d81672960e3d
[INFO] documenting spacekookie/simple-rust-ffi 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%2Fspacekookie%2Fsimple-rust-ffi" "/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/spacekookie/simple-rust-ffi 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/spacekookie/simple-rust-ffi
[INFO] finished tweaking git repo https://github.com/spacekookie/simple-rust-ffi
[INFO] tweaked toml for git repo https://github.com/spacekookie/simple-rust-ffi written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/spacekookie/simple-rust-ffi 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]  Downloading crates ...
[INFO] [stderr]   Downloaded cmake v0.1.31
[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" "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] 4970e408aa455217e9424392a0d4198e1e11428054ed7260695d2b6b55239d36
[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" "4970e408aa455217e9424392a0d4198e1e11428054ed7260695d2b6b55239d36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4970e408aa455217e9424392a0d4198e1e11428054ed7260695d2b6b55239d36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4970e408aa455217e9424392a0d4198e1e11428054ed7260695d2b6b55239d36", kill_on_drop: false }`
[INFO] [stdout] 4970e408aa455217e9424392a0d4198e1e11428054ed7260695d2b6b55239d36
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 009cee9e159a3fe5b591b45c63bffa4486c9795b3ca598d8e38c6b4b2f3c09ad
[INFO] running `Command { std: "docker" "start" "-a" "009cee9e159a3fe5b591b45c63bffa4486c9795b3ca598d8e38c6b4b2f3c09ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.15
[INFO] [stderr]    Compiling cmake v0.1.31
[INFO] [stderr]    Compiling greeter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting greeter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.72s
[INFO] running `Command { std: "docker" "inspect" "009cee9e159a3fe5b591b45c63bffa4486c9795b3ca598d8e38c6b4b2f3c09ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "009cee9e159a3fe5b591b45c63bffa4486c9795b3ca598d8e38c6b4b2f3c09ad", kill_on_drop: false }`
[INFO] [stdout] 009cee9e159a3fe5b591b45c63bffa4486c9795b3ca598d8e38c6b4b2f3c09ad