[INFO] fetching crate cbindgen 0.14.4...
[INFO] documenting cbindgen-0.14.4 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate cbindgen 0.14.4 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate cbindgen 0.14.4 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 crates.io crate cbindgen 0.14.4
[INFO] finished tweaking crates.io crate cbindgen 0.14.4
[INFO] tweaked toml for crates.io crate cbindgen 0.14.4 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate cbindgen 0.14.4 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 26fc9329a8d6d2ac4ffb8308f335316b50f4e71d2591e0e8ab68b026b8e71048
[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" "26fc9329a8d6d2ac4ffb8308f335316b50f4e71d2591e0e8ab68b026b8e71048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26fc9329a8d6d2ac4ffb8308f335316b50f4e71d2591e0e8ab68b026b8e71048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26fc9329a8d6d2ac4ffb8308f335316b50f4e71d2591e0e8ab68b026b8e71048", kill_on_drop: false }`
[INFO] [stdout] 26fc9329a8d6d2ac4ffb8308f335316b50f4e71d2591e0e8ab68b026b8e71048
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 63e8ff46f1534097ff867b8d5396b25d2ae6c3413e6c9252ee0b9740ec043ed8
[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" "63e8ff46f1534097ff867b8d5396b25d2ae6c3413e6c9252ee0b9740ec043ed8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]     Checking unicode-xid v0.2.0
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling cbindgen v0.14.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking proc-macro2 v1.0.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking heck v0.3.1
[INFO] [stderr]     Checking quote v1.0.2
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking toml v0.5.5
[INFO] [stderr]  Documenting cbindgen v0.14.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.77s
[INFO] running `Command { std: "docker" "inspect" "63e8ff46f1534097ff867b8d5396b25d2ae6c3413e6c9252ee0b9740ec043ed8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63e8ff46f1534097ff867b8d5396b25d2ae6c3413e6c9252ee0b9740ec043ed8", kill_on_drop: false }`
[INFO] [stdout] 63e8ff46f1534097ff867b8d5396b25d2ae6c3413e6c9252ee0b9740ec043ed8