[INFO] cloning repository https://github.com/coeuvre/rust-2048
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/coeuvre/rust-2048" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoeuvre%2Frust-2048", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoeuvre%2Frust-2048'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9318fefff673888ce11098a37f7c95dd7dbbbfda
[INFO] documenting coeuvre/rust-2048 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%2Fcoeuvre%2Frust-2048" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/coeuvre/rust-2048 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/coeuvre/rust-2048
[INFO] finished tweaking git repo https://github.com/coeuvre/rust-2048
[INFO] tweaked toml for git repo https://github.com/coeuvre/rust-2048 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/coeuvre/rust-2048 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sdl2-sys v0.27.3
[INFO] [stderr]   Downloaded pistoncore-window v0.24.0
[INFO] [stderr]   Downloaded piston-float v0.2.0
[INFO] [stderr]   Downloaded gl v0.6.1
[INFO] [stderr]   Downloaded glutin v0.7.4
[INFO] [stderr]   Downloaded x11-dl v2.8.0
[INFO] [stderr]   Downloaded wayland-window v0.4.4
[INFO] [stderr]   Downloaded wayland-sys v0.7.8
[INFO] [stderr]   Downloaded cocoa v0.5.2
[INFO] [stderr]   Downloaded core-graphics v0.4.2
[INFO] [stderr]   Downloaded stb_truetype v0.2.0
[INFO] [stderr]   Downloaded scoped_threadpool v0.1.7
[INFO] [stderr]   Downloaded piston-gfx_texture v0.20.0
[INFO] [stderr]   Downloaded enum_primitive v0.1.0
[INFO] [stderr]   Downloaded inflate v0.1.1
[INFO] [stderr]   Downloaded draw_state v0.6.0
[INFO] [stderr]   Downloaded png v0.6.2
[INFO] [stderr]   Downloaded bitflags v0.6.0
[INFO] [stderr]   Downloaded gfx v0.13.0
[INFO] [stderr]   Downloaded pistoncore-event_loop v0.27.0
[INFO] [stderr]   Downloaded piston v0.27.0
[INFO] [stderr]   Downloaded piston-shaders_graphics2d v0.1.0
[INFO] [stderr]   Downloaded gfx_gl v0.3.1
[INFO] [stderr]   Downloaded gfx_device_gl v0.12.0
[INFO] [stderr]   Downloaded piston2d-gfx_graphics v0.35.0
[INFO] [stderr]   Downloaded libloading v0.2.4
[INFO] [stderr]   Downloaded rayon v0.4.0
[INFO] [stderr]   Downloaded piston_window v0.61.0
[INFO] [stderr]   Downloaded gfx_core v0.5.1
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.6
[INFO] [stderr]   Downloaded rusttype v0.2.4
[INFO] [stderr]   Downloaded image v0.12.4
[INFO] [stderr]   Downloaded piston2d-graphics v0.19.0
[INFO] [stderr]   Downloaded gleam v0.2.20
[INFO] [stderr]   Downloaded osmesa-sys v0.1.1
[INFO] [stderr]   Downloaded piston-shaders_graphics2d v0.2.1
[INFO] [stderr]   Downloaded serde v0.8.6
[INFO] [stderr]   Downloaded vecmath v0.2.0
[INFO] [stderr]   Downloaded objc v0.2.1
[INFO] [stderr]   Downloaded wayland-kbd v0.6.3
[INFO] [stderr]   Downloaded wayland-scanner v0.7.8
[INFO] [stderr]   Downloaded target_build_utils v0.1.1
[INFO] [stderr]   Downloaded dlib v0.3.0
[INFO] [stderr]   Downloaded wayland-client v0.7.8
[INFO] [stderr]   Downloaded winit v0.5.11
[INFO] [stderr]   Downloaded pistoncore-glutin_window v0.33.0
[INFO] [stderr]   Downloaded xml-rs v0.3.4
[INFO] [stderr]   Downloaded piston-viewport v0.2.0
[INFO] [stderr]   Downloaded pistoncore-input v0.15.0
[INFO] [stderr]   Downloaded sdl2 v0.27.3
[INFO] [stderr]   Downloaded shader_version v0.2.1
[INFO] [stderr]   Downloaded fnv v1.0.4
[INFO] [stderr]   Downloaded pistoncore-sdl2_window v0.38.0
[INFO] [stderr]   Downloaded piston2d-opengl_graphics v0.37.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 526724680b4d159cf3052d6432003eb862d4a157a67476ec83ee9e679594e2b8
[INFO] running `Command { std: "docker" "start" "-a" "526724680b4d159cf3052d6432003eb862d4a157a67476ec83ee9e679594e2b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "526724680b4d159cf3052d6432003eb862d4a157a67476ec83ee9e679594e2b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "526724680b4d159cf3052d6432003eb862d4a157a67476ec83ee9e679594e2b8", kill_on_drop: false }`
[INFO] [stdout] 526724680b4d159cf3052d6432003eb862d4a157a67476ec83ee9e679594e2b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] ecd77c204177e8ce1eef2e125d9c330a8e8ceb369f10ca2dd1adb86e366cfb05
[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" "ecd77c204177e8ce1eef2e125d9c330a8e8ceb369f10ca2dd1adb86e366cfb05", kill_on_drop: false }`
[INFO] [stderr]    Compiling dtoa v0.2.2
[INFO] [stderr]    Compiling itoa v0.1.1
[INFO] [stderr]    Compiling serde v0.8.6
[INFO] [stderr]    Compiling num-traits v0.1.35
[INFO] [stderr]     Checking piston-float v0.2.0
[INFO] [stderr]     Checking shader_version v0.2.1
[INFO] [stderr]     Checking bitflags v0.6.0
[INFO] [stderr]     Checking rustc-serialize v0.3.19
[INFO] [stderr]     Checking piston-shaders_graphics2d v0.2.1
[INFO] [stderr]     Checking fnv v1.0.4
[INFO] [stderr]     Checking piston-shaders_graphics2d v0.1.0
[INFO] [stderr]    Compiling xml-rs v0.3.4
[INFO] [stderr]     Checking shared_library v0.1.5
[INFO] [stderr]    Compiling x11-dl v2.8.0
[INFO] [stderr]     Checking stb_truetype v0.2.0
[INFO] [stderr]     Checking deque v0.3.1
[INFO] [stderr]    Compiling tempfile v2.1.4
[INFO] [stderr]     Checking sdl2-sys v0.27.3
[INFO] [stderr]     Checking draw_state v0.6.0
[INFO] [stderr]     Checking piston-viewport v0.2.0
[INFO] [stderr]     Checking vecmath v0.2.0
[INFO] [stderr]     Checking fs2 v0.2.5
[INFO] [stdout] error[E0642]: patterns aren't allowed in functions without bodies
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.19/src/serialize.rs:147:45
[INFO] [stdout]     |
[INFO] [stdout] 147 | ...                   &f_name: &str,
[INFO] [stdout]     |                       ^^^^^^^ pattern not allowed in function without body
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking osmesa-sys v0.1.1
[INFO] [stderr]     Checking rusttype v0.2.4
[INFO] [stderr]     Checking rayon v0.4.0
[INFO] [stderr]     Checking memmap v0.4.0
[INFO] [stderr]     Checking num-integer v0.1.32
[INFO] [stderr]     Checking gfx_core v0.5.1
[INFO] [stderr]    Compiling gl_generator v0.5.2
[INFO] [stderr]    Compiling wayland-scanner v0.7.8
[INFO] [stderr]     Checking piston2d-graphics v0.19.0
[INFO] [stderr]     Checking num-iter v0.1.32
[INFO] [stderr]     Checking num-rational v0.1.35
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0642`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ecd77c204177e8ce1eef2e125d9c330a8e8ceb369f10ca2dd1adb86e366cfb05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecd77c204177e8ce1eef2e125d9c330a8e8ceb369f10ca2dd1adb86e366cfb05", kill_on_drop: false }`
[INFO] [stdout] ecd77c204177e8ce1eef2e125d9c330a8e8ceb369f10ca2dd1adb86e366cfb05
