[INFO] cloning repository https://github.com/SnoozeTime/vulkano-samples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SnoozeTime/vulkano-samples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSnoozeTime%2Fvulkano-samples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSnoozeTime%2Fvulkano-samples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c2ae69689fc0407de35816feaef82413d795d292
[INFO] documenting SnoozeTime/vulkano-samples 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%2FSnoozeTime%2Fvulkano-samples" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SnoozeTime/vulkano-samples 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/SnoozeTime/vulkano-samples
[INFO] finished tweaking git repo https://github.com/SnoozeTime/vulkano-samples
[INFO] tweaked toml for git repo https://github.com/SnoozeTime/vulkano-samples written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/SnoozeTime/vulkano-samples 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 half v1.3.0
[INFO] [stderr]   Downloaded andrew v0.1.6
[INFO] [stderr]   Downloaded crossbeam v0.5.0
[INFO] [stderr]   Downloaded vk-sys v0.4.0
[INFO] [stderr]   Downloaded tobj v0.1.7
[INFO] [stderr]   Downloaded vulkano-shaders v0.11.1
[INFO] [stderr]   Downloaded metal v0.13.1
[INFO] [stderr]   Downloaded vulkano-win v0.11.1
[INFO] [stderr]   Downloaded vulkano v0.11.1
[INFO] [stderr]   Downloaded shaderc v0.3.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 36df458a191dc4b3f9b61a51831c8d9019dbd4f51f77068bc3880370fad513f6
[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" "36df458a191dc4b3f9b61a51831c8d9019dbd4f51f77068bc3880370fad513f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36df458a191dc4b3f9b61a51831c8d9019dbd4f51f77068bc3880370fad513f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36df458a191dc4b3f9b61a51831c8d9019dbd4f51f77068bc3880370fad513f6", kill_on_drop: false }`
[INFO] [stdout] 36df458a191dc4b3f9b61a51831c8d9019dbd4f51f77068bc3880370fad513f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 701b5e7a5dae2ec2fc2ca2f0b48757be63a2874cd08dc3303d798c0b3fc5f9b6
[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" "701b5e7a5dae2ec2fc2ca2f0b48757be63a2874cd08dc3303d798c0b3fc5f9b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling vulkano v0.11.1
[INFO] [stderr]     Checking half v1.3.0
[INFO] [stderr]     Checking vk-sys v0.4.0
[INFO] [stderr]     Checking tobj v0.1.7
[INFO] [stderr]    Compiling cmake v0.1.35
[INFO] [stderr]     Checking crossbeam-channel v0.3.8
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]     Checking rand_pcg v0.1.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling shaderc v0.3.16
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking crossbeam v0.5.0
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.4
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr] error: could not compile `syn`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.15.26/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -Cembed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' -C metadata=7e742f194d86c804 -C extra-filename=-7e742f194d86c804 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-b4a15936fbdc0479.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-43ad612815001154.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-de12218e15042935.rmeta --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "701b5e7a5dae2ec2fc2ca2f0b48757be63a2874cd08dc3303d798c0b3fc5f9b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "701b5e7a5dae2ec2fc2ca2f0b48757be63a2874cd08dc3303d798c0b3fc5f9b6", kill_on_drop: false }`
[INFO] [stdout] 701b5e7a5dae2ec2fc2ca2f0b48757be63a2874cd08dc3303d798c0b3fc5f9b6