[INFO] cloning repository https://github.com/Ermain-12/snake_game_with_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ermain-12/snake_game_with_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FErmain-12%2Fsnake_game_with_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FErmain-12%2Fsnake_game_with_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 29a170ce0e338a27b2092a1810b9028f1a693cbc
[INFO] documenting Ermain-12/snake_game_with_rust 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%2FErmain-12%2Fsnake_game_with_rust" "/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/Ermain-12/snake_game_with_rust 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/Ermain-12/snake_game_with_rust
[INFO] finished tweaking git repo https://github.com/Ermain-12/snake_game_with_rust
[INFO] tweaked toml for git repo https://github.com/Ermain-12/snake_game_with_rust written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Ermain-12/snake_game_with_rust 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 wayland-sys v0.12.5
[INFO] [stderr]   Downloaded piston v0.37.0
[INFO] [stderr]   Downloaded pistoncore-event_loop v0.37.0
[INFO] [stderr]   Downloaded piston2d-gfx_graphics v0.51.0
[INFO] [stderr]   Downloaded piston2d-graphics v0.26.0
[INFO] [stderr]   Downloaded token_store v0.1.2
[INFO] [stderr]   Downloaded wayland-scanner v0.12.5
[INFO] [stderr]   Downloaded wayland-protocols v0.12.5
[INFO] [stderr]   Downloaded x11-dl v2.18.2
[INFO] [stderr]   Downloaded winit v0.12.0
[INFO] [stderr]   Downloaded pistoncore-glutin_window v0.47.0
[INFO] [stderr]   Downloaded wayland-kbd v0.13.1
[INFO] [stderr]   Downloaded piston_window v0.80.0
[INFO] [stderr]   Downloaded quote v0.6.4
[INFO] [stderr]   Downloaded pkg-config v0.3.12
[INFO] [stderr]   Downloaded pistoncore-window v0.32.0
[INFO] [stderr]   Downloaded glutin v0.14.0
[INFO] [stderr]   Downloaded wayland-client v0.12.5
[INFO] [stderr]   Downloaded rusttype v0.4.3
[INFO] [stderr]   Downloaded cocoa v0.14.0
[INFO] [stderr]   Downloaded core-graphics v0.13.0
[INFO] [stderr]   Downloaded wayland-window v0.13.3
[INFO] [stderr]   Downloaded gl v0.10.0
[INFO] [stderr]   Downloaded piston-gfx_texture v0.32.0
[INFO] [stderr]   Downloaded gfx_device_gl v0.15.3
[INFO] [stderr]   Downloaded gfx_core v0.8.2
[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" "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] 228db724f4296b18a96f4a976cb9cb1f0c6c8a9b12db3a24570728bb075fe472
[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" "228db724f4296b18a96f4a976cb9cb1f0c6c8a9b12db3a24570728bb075fe472", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "228db724f4296b18a96f4a976cb9cb1f0c6c8a9b12db3a24570728bb075fe472", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "228db724f4296b18a96f4a976cb9cb1f0c6c8a9b12db3a24570728bb075fe472", kill_on_drop: false }`
[INFO] [stdout] 228db724f4296b18a96f4a976cb9cb1f0c6c8a9b12db3a24570728bb075fe472
[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" "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] d389072f04b9b34f99056654fb7ec7e67dd762cdf1bc6dbd1087452f2a01bef6
[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" "d389072f04b9b34f99056654fb7ec7e67dd762cdf1bc6dbd1087452f2a01bef6", kill_on_drop: false }`
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking rand v0.5.4
[INFO] [stderr]    Compiling x11-dl v2.18.2
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling syn v0.14.7
[INFO] [stderr]     Checking wayland-sys v0.12.5
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking wayland-client v0.12.5
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking wayland-protocols v0.12.5
[INFO] [stderr]     Checking wayland-kbd v0.13.1
[INFO] [stderr]     Checking rayon v1.0.2
[INFO] [stderr]     Checking tempfile v3.0.3
[INFO] [stderr]     Checking wayland-window v0.13.3
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]     Checking winit v0.12.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking glutin v0.14.0
[INFO] [stderr]     Checking piston-gfx_texture v0.32.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.51.0
[INFO] [stderr]     Checking pistoncore-input v0.21.0
[INFO] [stderr]     Checking pistoncore-window v0.32.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.37.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.47.0
[INFO] [stderr]     Checking piston v0.37.0
[INFO] [stderr]     Checking piston_window v0.80.0
[INFO] [stderr]  Documenting snake_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.33s
[INFO] running `Command { std: "docker" "inspect" "d389072f04b9b34f99056654fb7ec7e67dd762cdf1bc6dbd1087452f2a01bef6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d389072f04b9b34f99056654fb7ec7e67dd762cdf1bc6dbd1087452f2a01bef6", kill_on_drop: false }`
[INFO] [stdout] d389072f04b9b34f99056654fb7ec7e67dd762cdf1bc6dbd1087452f2a01bef6