[INFO] cloning repository https://github.com/grenlight/idroid_demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/grenlight/idroid_demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrenlight%2Fidroid_demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrenlight%2Fidroid_demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 80da50a582f281c4d6a3b2728cd11c867ece100f
[INFO] documenting grenlight/idroid_demo 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%2Fgrenlight%2Fidroid_demo" "/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/grenlight/idroid_demo 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/grenlight/idroid_demo
[INFO] finished tweaking git repo https://github.com/grenlight/idroid_demo
[INFO] tweaked toml for git repo https://github.com/grenlight/idroid_demo written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/grenlight/idroid_demo 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 gfx-backend-metal v0.2.3
[INFO] [stderr]   Downloaded js-sys v0.3.25
[INFO] [stderr]   Downloaded stdweb-internal-runtime v0.1.4
[INFO] [stderr]   Downloaded atty v0.2.12
[INFO] [stderr]   Downloaded termcolor v1.0.5
[INFO] [stderr]   Downloaded alga v0.9.1
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.48
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.48
[INFO] [stderr]   Downloaded stdweb-derive v0.5.1
[INFO] [stderr]   Downloaded metal v0.15.0
[INFO] [stderr]   Downloaded nalgebra v0.18.0
[INFO] [stderr]   Downloaded spirv_cross v0.12.1
[INFO] [stderr]   Downloaded base-x v0.2.5
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.48
[INFO] [stderr]   Downloaded shaderc v0.6.0
[INFO] [stderr]   Downloaded gfx-backend-empty v0.2.1
[INFO] [stderr]   Downloaded gfx-hal v0.2.1
[INFO] [stderr]   Downloaded stdweb-internal-macros v0.2.7
[INFO] [stderr]   Downloaded bumpalo v2.5.0
[INFO] [stderr]   Downloaded hibitset v0.5.4
[INFO] [stderr]   Downloaded rendy-descriptor v0.3.0
[INFO] [stderr]   Downloaded rendy-memory v0.3.0
[INFO] [stderr]   Downloaded matrixmultiply v0.2.2
[INFO] [stderr]   Downloaded cmake v0.1.40
[INFO] [stderr]   Downloaded stdweb v0.4.17
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.48
[INFO] [stderr]   Downloaded gfx-backend-vulkan v0.2.3
[INFO] [stderr]   Downloaded libc v0.2.59
[INFO] [stderr]   Downloaded gfx-backend-dx12 v0.2.1
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.48
[INFO] [stderr]   Downloaded nalgebra-glm v0.4.0
[INFO] [stderr]   Downloaded shaderc-sys v0.6.0
[INFO] [stderr]   Downloaded gfx-backend-dx11 v0.2.1
[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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a64bfaae5f16c340d9a69a4ce3aae947f0ad855ba795cdd68248337bb2fa9ee2
[INFO] running `Command { std: "docker" "start" "-a" "a64bfaae5f16c340d9a69a4ce3aae947f0ad855ba795cdd68248337bb2fa9ee2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a64bfaae5f16c340d9a69a4ce3aae947f0ad855ba795cdd68248337bb2fa9ee2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a64bfaae5f16c340d9a69a4ce3aae947f0ad855ba795cdd68248337bb2fa9ee2", kill_on_drop: false }`
[INFO] [stdout] a64bfaae5f16c340d9a69a4ce3aae947f0ad855ba795cdd68248337bb2fa9ee2
[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" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94e028d524cb5c669342780c162a236b43b4d30d29d6367d836bc724f95eff32
[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" "94e028d524cb5c669342780c162a236b43b4d30d29d6367d836bc724f95eff32", kill_on_drop: false }`
[INFO] [stderr]    Compiling spin v0.5.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.30
[INFO] [stderr]    Compiling cmake v0.1.40
[INFO] [stderr]     Checking regex-syntax v0.6.8
[INFO] [stderr]    Compiling libc v0.2.59
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]     Checking x11-dl v2.18.3
[INFO] [stderr]     Checking aho-corasick v0.7.4
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking rusttype v0.7.7
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking rayon-core v1.5.0
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling shaderc-sys v0.6.0
[INFO] [stderr]    Compiling glsl-to-spirv v0.1.7
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]    Compiling getrandom v0.1.6
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]     Checking alga v0.9.1
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]     Checking backtrace v0.3.32
[INFO] [stderr]     Checking wayland-sys v0.21.13
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking parking_lot_core v0.5.0
[INFO] [stderr]     Checking nalgebra v0.18.0
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]     Checking wayland-commons v0.21.13
[INFO] [stderr]     Checking relevant v0.4.2
[INFO] [stderr]     Checking parking_lot v0.8.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking wayland-client v0.21.13
[INFO] [stderr]     Checking regex v1.1.9
[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-0.15.39/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --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"' -C metadata=07ef961e8136689f -C extra-filename=-07ef961e8136689f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-f439e41abbdfaa3d.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-7ccaeb7120cae352.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-17566c89b81f032a.rmeta --cap-lints allow --cfg syn_can_match_trailing_dollar --cfg syn_can_use_thread_id --cfg syn_can_use_associated_constants --cfg syn_can_call_macro_by_path --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: Pre-built library not found.  Falling back to from-source build
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "94e028d524cb5c669342780c162a236b43b4d30d29d6367d836bc724f95eff32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94e028d524cb5c669342780c162a236b43b4d30d29d6367d836bc724f95eff32", kill_on_drop: false }`
[INFO] [stdout] 94e028d524cb5c669342780c162a236b43b4d30d29d6367d836bc724f95eff32
