[INFO] cloning repository https://github.com/dflemstr/marble
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dflemstr/marble" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdflemstr%2Fmarble", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdflemstr%2Fmarble'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 772f08cb64d2b4b4c9b5c3ff2a31fef56b6e1590
[INFO] documenting dflemstr/marble 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%2Fdflemstr%2Fmarble" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dflemstr/marble 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/dflemstr/marble
[INFO] finished tweaking git repo https://github.com/dflemstr/marble
[INFO] tweaked toml for git repo https://github.com/dflemstr/marble written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/dflemstr/marble 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 semver v0.1.20
[INFO] [stderr]   Downloaded gleam v0.2.29
[INFO] [stderr]   Downloaded android_glue v0.2.1
[INFO] [stderr]   Downloaded cgl v0.1.5
[INFO] [stderr]   Downloaded smallvec v0.2.1
[INFO] [stderr]   Downloaded approx v0.1.1
[INFO] [stderr]   Downloaded cmake v0.1.20
[INFO] [stderr]   Downloaded fnv v1.0.5
[INFO] [stderr]   Downloaded log v0.3.6
[INFO] [stderr]   Downloaded cocoa v0.5.2
[INFO] [stderr]   Downloaded gcc v0.3.40
[INFO] [stderr]   Downloaded serde v0.8.21
[INFO] [stderr]   Downloaded cgmath v0.12.0
[INFO] [stderr]   Downloaded phf_codegen v0.7.20
[INFO] [stderr]   Downloaded rustc_version v0.1.7
[INFO] [stderr]   Downloaded phf_generator v0.7.20
[INFO] [stderr]   Downloaded gl_generator v0.5.2
[INFO] [stderr]   Downloaded phf v0.7.20
[INFO] [stderr]   Downloaded lazy_static v0.1.16
[INFO] [stderr]   Downloaded user32-sys v0.1.2
[INFO] [stderr]   Downloaded core-graphics v0.4.2
[INFO] [stderr]   Downloaded memmap v0.4.0
[INFO] [stderr]   Downloaded num-traits v0.1.36
[INFO] [stderr]   Downloaded dwmapi-sys v0.1.0
[INFO] [stderr]   Downloaded target_build_utils v0.1.2
[INFO] [stderr]   Downloaded libloading v0.3.1
[INFO] [stderr]   Downloaded dtoa v0.2.2
[INFO] [stderr]   Downloaded itoa v0.1.1
[INFO] [stderr]   Downloaded serde_json v0.8.4
[INFO] [stderr]   Downloaded winit v0.5.6
[INFO] [stderr]   Downloaded dlib v0.3.1
[INFO] [stderr]   Downloaded wayland-sys v0.7.6
[INFO] [stderr]   Downloaded wayland-window v0.4.3
[INFO] [stderr]   Downloaded khronos_api v1.0.0
[INFO] [stderr]   Downloaded core-foundation-sys v0.2.2
[INFO] [stderr]   Downloaded wayland-kbd v0.6.2
[INFO] [stderr]   Downloaded wayland-client v0.7.6
[INFO] [stderr]   Downloaded xml-rs v0.3.5
[INFO] [stderr]   Downloaded vulkano-shaders v0.3.1
[INFO] [stderr]   Downloaded vulkano-win v0.3.1
[INFO] [stderr]   Downloaded tempfile v2.1.4
[INFO] [stderr]   Downloaded core-foundation v0.2.2
[INFO] [stderr]   Downloaded objc v0.2.2
[INFO] [stderr]   Downloaded phf_shared v0.7.20
[INFO] [stderr]   Downloaded pkg-config v0.3.8
[INFO] [stderr]   Downloaded byteorder v0.5.3
[INFO] [stderr]   Downloaded gdi32-sys v0.1.1
[INFO] [stderr]   Downloaded shared_library v0.1.5
[INFO] [stderr]   Downloaded shell32-sys v0.1.1
[INFO] [stderr]   Downloaded vk-sys v0.2.1
[INFO] [stderr]   Downloaded x11-dl v2.11.0
[INFO] [stderr]   Downloaded vulkano v0.3.1
[INFO] [stderr]   Downloaded fs2 v0.2.5
[INFO] [stderr]   Downloaded wayland-scanner v0.7.6
[INFO] [stderr]   Downloaded glsl-to-spirv v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 729a64b147b9fd5a29d44db9d744a37aa85cf8a081f6ce6bbfd2b2cf54edb5d7
[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" "729a64b147b9fd5a29d44db9d744a37aa85cf8a081f6ce6bbfd2b2cf54edb5d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "729a64b147b9fd5a29d44db9d744a37aa85cf8a081f6ce6bbfd2b2cf54edb5d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "729a64b147b9fd5a29d44db9d744a37aa85cf8a081f6ce6bbfd2b2cf54edb5d7", kill_on_drop: false }`
[INFO] [stdout] 729a64b147b9fd5a29d44db9d744a37aa85cf8a081f6ce6bbfd2b2cf54edb5d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] e0f2b8822a47d83d30c485eacd5dde8d44607fe0fbeed7652aaab4fd4c7d8fdf
[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" "e0f2b8822a47d83d30c485eacd5dde8d44607fe0fbeed7652aaab4fd4c7d8fdf", 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.18
[INFO] [stderr]    Compiling phf_shared v0.7.20
[INFO] [stderr]    Compiling gcc v0.3.40
[INFO] [stderr]    Compiling serde v0.8.21
[INFO] [stderr]     Checking rustc-demangle v0.1.3
[INFO] [stderr]     Checking fnv v1.0.5
[INFO] [stderr]     Checking vk-sys v0.2.1
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking shared_library v0.1.5
[INFO] [stderr]    Compiling xml-rs v0.3.5
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]     Checking x11-dl v2.11.0
[INFO] [stderr]     Checking fs2 v0.2.5
[INFO] [stderr]     Checking memmap v0.4.0
[INFO] [stderr]    Compiling phf v0.7.20
[INFO] [stderr]    Compiling cmake v0.1.20
[INFO] [stderr]     Checking vulkano v0.3.1
[INFO] [stderr]    Compiling glsl-to-spirv v0.1.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]     Checking tempfile v2.1.4
[INFO] [stderr]     Checking cgmath v0.12.0
[INFO] [stderr]    Compiling wayland-scanner v0.7.6
[INFO] [stderr]    Compiling phf_generator v0.7.20
[INFO] [stderr]    Compiling tempdir v0.3.5
[INFO] [stderr]    Compiling phf_codegen v0.7.20
[INFO] [stderr]     Checking error-chain v0.7.1
[INFO] [stderr]    Compiling target_build_utils v0.1.2
[INFO] [stderr]    Compiling wayland-client v0.7.6
[INFO] [stderr] error: could not compile `serde`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-0.8.21/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -Cembed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=c04999d950d95a70 -C extra-filename=-c04999d950d95a70 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --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" "e0f2b8822a47d83d30c485eacd5dde8d44607fe0fbeed7652aaab4fd4c7d8fdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0f2b8822a47d83d30c485eacd5dde8d44607fe0fbeed7652aaab4fd4c7d8fdf", kill_on_drop: false }`
[INFO] [stdout] e0f2b8822a47d83d30c485eacd5dde8d44607fe0fbeed7652aaab4fd4c7d8fdf