[INFO] cloning repository https://github.com/arduano/cake
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arduano/cake" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farduano%2Fcake", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farduano%2Fcake'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c334b2817fbacf0a3069b7a2585ec29db798bb5
[INFO] documenting arduano/cake against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farduano%2Fcake" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arduano/cake on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/arduano/cake
[INFO] finished tweaking git repo https://github.com/arduano/cake
[INFO] tweaked toml for git repo https://github.com/arduano/cake written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/arduano/cake already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--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 codespan-reporting v0.11.1
[INFO] [stderr]   Downloaded wgpu-core v0.8.1
[INFO] [stderr]   Downloaded wgpu v0.8.1
[INFO] [stderr]   Downloaded wgpu-subscriber v0.1.0
[INFO] [stderr]   Downloaded gfx-backend-gl v0.8.1
[INFO] [stderr]   Downloaded gpu-alloc v0.4.7
[INFO] [stderr]   Downloaded khronos-egl v4.1.0
[INFO] [stderr]   Downloaded imgui v0.7.0
[INFO] [stderr]   Downloaded gfx-backend-metal v0.8.2
[INFO] [stderr]   Downloaded imgui-winit-support v0.7.1
[INFO] [stderr]   Downloaded gfx-backend-empty v0.8.0
[INFO] [stderr]   Downloaded getset v0.1.1
[INFO] [stderr]   Downloaded to_vec v0.1.0
[INFO] [stderr]   Downloaded color-rs v0.6.1
[INFO] [stderr]   Downloaded d3d12 v0.4.0
[INFO] [stderr]   Downloaded imgui-sys v0.7.0
[INFO] [stderr]   Downloaded naga v0.4.2
[INFO] [stderr]   Downloaded gfx-auxil v0.9.0
[INFO] [stderr]   Downloaded glow v0.9.0
[INFO] [stderr]   Downloaded profiling v1.0.3
[INFO] [stderr]   Downloaded thunderdome v0.4.1
[INFO] [stderr]   Downloaded wgpu-types v0.8.0
[INFO] [stderr]   Downloaded imgui-wgpu v0.15.1
[INFO] [stderr]   Downloaded chlorine v1.0.7
[INFO] [stderr]   Downloaded gfx-backend-dx11 v0.8.0
[INFO] [stderr]   Downloaded shaderc-sys v0.7.2
[INFO] [stderr]   Downloaded angle v0.4.0
[INFO] [stderr]   Downloaded shaderc v0.7.2
[INFO] [stderr]   Downloaded metal v0.22.0
[INFO] [stderr]   Downloaded gfx-backend-vulkan v0.8.0
[INFO] [stderr]   Downloaded gfx-hal v0.8.0
[INFO] [stderr]   Downloaded gfx-backend-dx12 v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b30a1fe686211ad096d106ac50c2b6e08cc03c560bd0c447e464de3f5110175
[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" "5b30a1fe686211ad096d106ac50c2b6e08cc03c560bd0c447e464de3f5110175", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b30a1fe686211ad096d106ac50c2b6e08cc03c560bd0c447e464de3f5110175", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b30a1fe686211ad096d106ac50c2b6e08cc03c560bd0c447e464de3f5110175", kill_on_drop: false }`
[INFO] [stdout] 5b30a1fe686211ad096d106ac50c2b6e08cc03c560bd0c447e464de3f5110175
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c757430a87ab96ec27b435fa1a91cf42d085d39560c5504e022e4b0d85158c06
[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" "c757430a87ab96ec27b435fa1a91cf42d085d39560c5504e022e4b0d85158c06", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking to_vec v0.1.0
[INFO] [stderr]     Checking cake-util v0.1.0 (/opt/rustwide/workdir/src/util)
[INFO] [stderr]  Documenting cake-util v0.1.0 (/opt/rustwide/workdir/src/util)
[INFO] [stderr]    Compiling wgpu-core v0.8.1
[INFO] [stderr]     Checking regex v1.4.6
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]     Checking nom v6.2.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking wayland-commons v0.28.5
[INFO] [stderr]     Checking angle v0.4.0
[INFO] [stderr]    Compiling getset v0.1.1
[INFO] [stderr]     Checking futures-util v0.3.15
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking naga v0.4.2
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]     Checking color-rs v0.6.1
[INFO] [stderr]     Checking wayland-client v0.28.5
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking tracing-subscriber v0.2.19
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]     Checking wayland-protocols v0.28.5
[INFO] [stderr]    Compiling shaderc-sys v0.7.2
[INFO] [stderr]    Compiling imgui-sys v0.7.0
[INFO] [stderr]     Checking xcursor v0.3.3
[INFO] [stderr]     Checking wayland-cursor v0.28.5
[INFO] [stderr]     Checking futures-executor v0.3.15
[INFO] [stderr]     Checking cake-midi v0.1.0 (/opt/rustwide/workdir/src/midi)
[INFO] [stderr]  Documenting cake-midi v0.1.0 (/opt/rustwide/workdir/src/midi)
[INFO] [stderr]     Checking wgpu-subscriber v0.1.0
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]    --> src/midi/src/readers.rs:152:27
[INFO] [stdout]     |
[INFO] [stdout] 152 |     fn open_reader(&self, start: u64, len: u64, ram_cache: bool) -> Box<dyn TrackReader> {
[INFO] [stdout]     |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/midi/src/readers.rs:152:39
[INFO] [stdout]     |
[INFO] [stdout] 152 |     fn open_reader(&self, start: u64, len: u64, ram_cache: bool) -> Box<dyn TrackReader> {
[INFO] [stdout]     |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ram_cache`
[INFO] [stdout]    --> src/midi/src/readers.rs:152:49
[INFO] [stdout]     |
[INFO] [stdout] 152 |     fn open_reader(&self, start: u64, len: u64, ram_cache: bool) -> Box<dyn TrackReader> {
[INFO] [stdout]     |                                                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ram_cache`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking cake-backend v0.1.0 (/opt/rustwide/workdir/src/backend)
[INFO] [stderr]  Documenting cake-backend v0.1.0 (/opt/rustwide/workdir/src/backend)
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking gfx-hal v0.8.0
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr] error: could not compile `wayland-protocols`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name wayland_protocols --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/wayland-protocols-0.28.5/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="client"' --cfg 'feature="unstable_protocols"' --cfg 'feature="wayland-client"' -C metadata=cb32eb66b3d08d79 -C extra-filename=-cb32eb66b3d08d79 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-c759f8d07719039e.rmeta --extern wayland_client=/opt/rustwide/target/debug/deps/libwayland_client-b9cdf6654aa23537.rmeta --extern wayland_commons=/opt/rustwide/target/debug/deps/libwayland_commons-94b3beeaa2a5e51b.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: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] 
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: shaderc: searching for native shaderc libraries on system;  use '--features build-from-source' to force building from source code
[INFO] [stderr] warning: shaderc: cannot find native shaderc library on system; falling back to build from source
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c757430a87ab96ec27b435fa1a91cf42d085d39560c5504e022e4b0d85158c06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c757430a87ab96ec27b435fa1a91cf42d085d39560c5504e022e4b0d85158c06", kill_on_drop: false }`
[INFO] [stdout] c757430a87ab96ec27b435fa1a91cf42d085d39560c5504e022e4b0d85158c06
