[INFO] cloning repository https://github.com/seivan/broken_tracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/seivan/broken_tracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseivan%2Fbroken_tracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseivan%2Fbroken_tracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f7e76f5cea72d743d073125d9d78f02b13adc5ad
[INFO] documenting seivan/broken_tracer 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%2Fseivan%2Fbroken_tracer" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/seivan/broken_tracer 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/seivan/broken_tracer
[INFO] finished tweaking git repo https://github.com/seivan/broken_tracer
[INFO] tweaked toml for git repo https://github.com/seivan/broken_tracer written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/seivan/broken_tracer 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]     Updating git repository `https://github.com/gfx-rs/wgpu-rs.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gfx-backend-dx12 v0.4.1
[INFO] [stderr]   Downloaded euclid v0.20.4
[INFO] [stderr]   Downloaded glsl v3.0.0
[INFO] [stderr]   Downloaded wgpu-native v0.4.0
[INFO] [stderr]   Downloaded gfx-backend-metal v0.4.1
[INFO] [stderr]   Downloaded gfx-backend-dx11 v0.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 6ea1b6a8f20f83768d537f8424725b9f6d0c200c8cab10102d2cd7f00eda9da9
[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" "6ea1b6a8f20f83768d537f8424725b9f6d0c200c8cab10102d2cd7f00eda9da9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ea1b6a8f20f83768d537f8424725b9f6d0c200c8cab10102d2cd7f00eda9da9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ea1b6a8f20f83768d537f8424725b9f6d0c200c8cab10102d2cd7f00eda9da9", kill_on_drop: false }`
[INFO] [stdout] 6ea1b6a8f20f83768d537f8424725b9f6d0c200c8cab10102d2cd7f00eda9da9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] c1fc9fd916e4eda373d8ca84fa6bdfc9db92f313da3936c7a8bc62103a64ea0e
[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" "c1fc9fd916e4eda373d8ca84fa6bdfc9db92f313da3936c7a8bc62103a64ea0e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking colorful v0.2.1
[INFO] [stderr]    Compiling sdl2 v0.32.2 (https://github.com/Rust-SDL2/rust-sdl2.git#e865c8f4)
[INFO] [stderr]    Compiling num-traits v0.2.9
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling x11 v2.18.1
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling sdl2-sys v0.32.6 (https://github.com/Rust-SDL2/rust-sdl2.git#e865c8f4)
[INFO] [stderr]    Compiling nom v5.0.1
[INFO] [stderr]    Compiling spirv_cross v0.16.0
[INFO] [stderr]     Checking hibitset v0.6.2
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]     Checking raw-window-handle v0.3.1
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking relevant v0.4.2
[INFO] [stderr]     Checking getrandom v0.1.13
[INFO] [stderr]     Checking gfx-hal v0.4.1
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking ash v0.29.0
[INFO] [stderr]    Compiling zerocopy-derive v0.1.4
[INFO] [stderr]     Checking rayon-core v1.6.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling shaderc-sys v0.6.1
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking png v0.15.1
[INFO] [stderr]     Checking euclid v0.20.4
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking zerocopy v0.2.8
[INFO] [stderr]     Checking glsl v3.0.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.16
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr] error: could not compile `ash`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name ash /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ash-0.29.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -Cembed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=c5f6b0d081e760ea -C extra-filename=-c5f6b0d081e760ea --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern shared_library=/opt/rustwide/target/debug/deps/libshared_library-ac41ee2aab384def.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" "c1fc9fd916e4eda373d8ca84fa6bdfc9db92f313da3936c7a8bc62103a64ea0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1fc9fd916e4eda373d8ca84fa6bdfc9db92f313da3936c7a8bc62103a64ea0e", kill_on_drop: false }`
[INFO] [stdout] c1fc9fd916e4eda373d8ca84fa6bdfc9db92f313da3936c7a8bc62103a64ea0e