[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 1.54.0 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-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/grenlight/idroid_demo 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/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-4/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" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 8d20233e4b134ddee9bac3d7c166d4711d7dbfb3b1644aefcbb9846d11511d18
[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" "8d20233e4b134ddee9bac3d7c166d4711d7dbfb3b1644aefcbb9846d11511d18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d20233e4b134ddee9bac3d7c166d4711d7dbfb3b1644aefcbb9846d11511d18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d20233e4b134ddee9bac3d7c166d4711d7dbfb3b1644aefcbb9846d11511d18", kill_on_drop: false }`
[INFO] [stdout] 8d20233e4b134ddee9bac3d7c166d4711d7dbfb3b1644aefcbb9846d11511d18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 483c3773db13db7d8398c64c4b4ba40b49f65c21d9778f27722c570167dc3476
[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" "483c3773db13db7d8398c64c4b4ba40b49f65c21d9778f27722c570167dc3476", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stderr]     Checking hibitset v0.5.4
[INFO] [stderr]    Compiling libc v0.2.59
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling shaderc-sys v0.6.0
[INFO] [stderr]     Checking atty v0.2.12
[INFO] [stderr]     Checking backtrace-sys v0.1.30
[INFO] [stderr]    Compiling generic-array v0.9.0
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking x11-dl v2.18.3
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]     Checking rusttype v0.7.7
[INFO] [stderr]     Checking regex v1.1.9
[INFO] [stderr]     Checking wayland-sys v0.21.13
[INFO] [stderr]     Checking parking_lot_core v0.5.0
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking backtrace v0.3.32
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling digest v0.7.6
[INFO] [stderr]     Checking wayland-commons v0.21.13
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking parking_lot v0.8.0
[INFO] [stderr]    Compiling sha2 v0.7.1
[INFO] [stderr]    Compiling getrandom v0.1.6
[INFO] [stderr]     Checking relevant v0.4.2
[INFO] [stderr]     Checking rayon-core v1.5.0
[INFO] [stderr]     Checking wayland-client v0.21.13
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling glsl-to-spirv v0.1.7
[INFO] [stderr]     Checking alga v0.9.1
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]     Checking wayland-protocols v0.21.13
[INFO] [stderr]     Checking nalgebra v0.18.0
[INFO] [stderr] error: could not compile `rand`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name rand --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand-0.7.0/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="alloc"' --cfg 'feature="default"' --cfg 'feature="getrandom"' --cfg 'feature="getrandom_package"' --cfg 'feature="std"' -C metadata=3d084779c471847f -C extra-filename=-3d084779c471847f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern getrandom_package=/opt/rustwide/target/debug/deps/libgetrandom-a7428a9fbb02bc63.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-ee6333239d56cfd4.rmeta --extern rand_chacha=/opt/rustwide/target/debug/deps/librand_chacha-8aa597faa429883d.rmeta --extern rand_core=/opt/rustwide/target/debug/deps/librand_core-a0ec09401f1419a6.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: Pre-built library not found.  Falling back to from-source build
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "483c3773db13db7d8398c64c4b4ba40b49f65c21d9778f27722c570167dc3476", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "483c3773db13db7d8398c64c4b4ba40b49f65c21d9778f27722c570167dc3476", kill_on_drop: false }`
[INFO] [stdout] 483c3773db13db7d8398c64c4b4ba40b49f65c21d9778f27722c570167dc3476
