[INFO] fetching crate imgui-vulkano-renderer 0.1.0...
[INFO] documenting imgui-vulkano-renderer-0.1.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate imgui-vulkano-renderer 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate imgui-vulkano-renderer 0.1.0 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 imgui-vulkano-renderer 0.1.0
[INFO] finished tweaking crates.io crate imgui-vulkano-renderer 0.1.0
[INFO] tweaked toml for crates.io crate imgui-vulkano-renderer 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate imgui-vulkano-renderer 0.1.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded vulkano-win v0.19.0
[INFO] [stderr]   Downloaded vulkano-shaders v0.19.0
[INFO] [stderr]   Downloaded vulkano v0.19.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 7f30bee6e8768912d3d9765e5bef3f17404ca6ffc8ce37b1b1ffd369bf027e0a
[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" "7f30bee6e8768912d3d9765e5bef3f17404ca6ffc8ce37b1b1ffd369bf027e0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f30bee6e8768912d3d9765e5bef3f17404ca6ffc8ce37b1b1ffd369bf027e0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f30bee6e8768912d3d9765e5bef3f17404ca6ffc8ce37b1b1ffd369bf027e0a", kill_on_drop: false }`
[INFO] [stdout] 7f30bee6e8768912d3d9765e5bef3f17404ca6ffc8ce37b1b1ffd369bf027e0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 26e62815ec097ecbb67388c8aeebd233261d54c16d51801783e566cee8e33ff5
[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" "26e62815ec097ecbb67388c8aeebd233261d54c16d51801783e566cee8e33ff5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]     Checking smallvec v1.4.1
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling vulkano v0.19.0
[INFO] [stderr]     Checking vk-sys v0.5.2
[INFO] [stderr]    Compiling imgui-sys v0.4.0
[INFO] [stderr]    Compiling shaderc-sys v0.6.2
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr] error: could not compile `vulkano`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name vulkano /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/vulkano-0.19.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -Cembed-bitcode=no -C debuginfo=2 -C metadata=fcd159806ea7686f -C extra-filename=-fcd159806ea7686f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-7b97485f27ca5549.rmeta --extern fnv=/opt/rustwide/target/debug/deps/libfnv-0ff73feb7e2c43f7.rmeta --extern half=/opt/rustwide/target/debug/deps/libhalf-08c60e3c55e36dcb.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-db88f49d9e5662e7.rmeta --extern shared_library=/opt/rustwide/target/debug/deps/libshared_library-1e7179a40ae29b6b.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-ef3eadee41c99092.rmeta --extern vk_sys=/opt/rustwide/target/debug/deps/libvk_sys-8d81cd83ab710780.rmeta --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: Checking for system installed libraries.  Use --features = build-from-source to disable this behavior
[INFO] [stderr] warning: System installed library not found.  Falling back to build from source
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "26e62815ec097ecbb67388c8aeebd233261d54c16d51801783e566cee8e33ff5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26e62815ec097ecbb67388c8aeebd233261d54c16d51801783e566cee8e33ff5", kill_on_drop: false }`
[INFO] [stdout] 26e62815ec097ecbb67388c8aeebd233261d54c16d51801783e566cee8e33ff5