[INFO] cloning repository https://github.com/villetou/hello-wgpu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/villetou/hello-wgpu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvilletou%2Fhello-wgpu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvilletou%2Fhello-wgpu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 27fd206f8fe0f44f44a8577c306116f747ae4977
[INFO] documenting villetou/hello-wgpu against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvilletou%2Fhello-wgpu" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/villetou/hello-wgpu on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/villetou/hello-wgpu
[INFO] finished tweaking git repo https://github.com/villetou/hello-wgpu
[INFO] tweaked toml for git repo https://github.com/villetou/hello-wgpu written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/villetou/hello-wgpu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wayland-commons v0.28.2
[INFO] [stderr]   Downloaded wayland-cursor v0.28.2
[INFO] [stderr]   Downloaded wayland-scanner v0.28.2
[INFO] [stderr]   Downloaded anyhow v1.0.36
[INFO] [stderr]   Downloaded imgui-wgpu v0.12.0
[INFO] [stderr]   Downloaded winit v0.23.0
[INFO] [stderr]   Downloaded imgui v0.6.1
[INFO] [stderr]   Downloaded imgui-winit-support v0.6.1
[INFO] [stderr]   Downloaded spirv_cross v0.22.1
[INFO] [stderr]   Downloaded wayland-client v0.28.2
[INFO] [stderr]   Downloaded wayland-protocols v0.28.2
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.12.1
[INFO] [stderr]   Downloaded imgui-sys v0.6.0
[INFO] [stderr]   Downloaded wayland-sys v0.28.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a754363615cef0401c22284fb57c9d32e370afb1affdb58802d2c842e492c2f0
[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" "a754363615cef0401c22284fb57c9d32e370afb1affdb58802d2c842e492c2f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a754363615cef0401c22284fb57c9d32e370afb1affdb58802d2c842e492c2f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a754363615cef0401c22284fb57c9d32e370afb1affdb58802d2c842e492c2f0", kill_on_drop: false }`
[INFO] [stdout] a754363615cef0401c22284fb57c9d32e370afb1affdb58802d2c842e492c2f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e76dd8633f9523e07d78657c4b0014be1c96d29095798dd2674feec6be38bc7e
[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" "e76dd8633f9523e07d78657c4b0014be1c96d29095798dd2674feec6be38bc7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]     Checking parking_lot_core v0.8.1
[INFO] [stderr]     Checking getrandom v0.2.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking anyhow v1.0.36
[INFO] [stderr]     Checking nom v6.0.1
[INFO] [stderr]    Compiling wayland-scanner v0.28.2
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking calloop v0.6.5
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]    Compiling imgui-sys v0.6.0
[INFO] [stderr]     Checking gfx-descriptor v0.2.0
[INFO] [stderr]     Checking gfx-backend-vulkan v0.6.5
[INFO] [stderr]     Checking gfx-backend-empty v0.6.0
[INFO] [stderr]     Checking gfx-memory v0.2.2
[INFO] [stderr]    Compiling shaderc-sys v0.6.3
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking rand v0.8.2
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking cgmath v0.17.0
[INFO] [stderr]    Compiling wayland-client v0.28.2
[INFO] [stderr]    Compiling wayland-protocols v0.28.2
[INFO] [stderr]     Checking xcursor v0.3.3
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.54/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=be1dc4b94fbc206d -C extra-filename=-be1dc4b94fbc206d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-169dfcc015ef5b16.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-9c28df1060376c27.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-62645fc4c65f65ba.rmeta --cap-lints allow --cfg syn_disable_nightly_tests` (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" "e76dd8633f9523e07d78657c4b0014be1c96d29095798dd2674feec6be38bc7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e76dd8633f9523e07d78657c4b0014be1c96d29095798dd2674feec6be38bc7e", kill_on_drop: false }`
[INFO] [stdout] e76dd8633f9523e07d78657c4b0014be1c96d29095798dd2674feec6be38bc7e
