[INFO] cloning repository https://github.com/the-code-innovator/snake-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/the-code-innovator/snake-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthe-code-innovator%2Fsnake-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthe-code-innovator%2Fsnake-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a18616c64e7b9c950f935350b61c310f47b68d70
[INFO] documenting the-code-innovator/snake-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%2Fthe-code-innovator%2Fsnake-rust" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/the-code-innovator/snake-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/the-code-innovator/snake-rust
[INFO] finished tweaking git repo https://github.com/the-code-innovator/snake-rust
[INFO] tweaked toml for git repo https://github.com/the-code-innovator/snake-rust written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/the-code-innovator/snake-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 piston-viewport v0.4.0
[INFO] [stderr]   Downloaded piston2d-graphics v0.27.0
[INFO] [stderr]   Downloaded pistoncore-input v0.22.0
[INFO] [stderr]   Downloaded pistoncore-window v0.33.0
[INFO] [stderr]   Downloaded pistoncore-event_loop v0.38.0
[INFO] [stderr]   Downloaded piston v0.38.0
[INFO] [stderr]   Downloaded piston2d-gfx_graphics v0.53.0
[INFO] [stderr]   Downloaded pistoncore-glutin_window v0.50.0
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.4.1
[INFO] [stderr]   Downloaded piston_window v0.84.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 37a3d6ac1574c8da2da0096f706bb2e8aa9ae6cb8e0ac3cae2526f58e04e4121
[INFO] running `Command { std: "docker" "start" "-a" "37a3d6ac1574c8da2da0096f706bb2e8aa9ae6cb8e0ac3cae2526f58e04e4121", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37a3d6ac1574c8da2da0096f706bb2e8aa9ae6cb8e0ac3cae2526f58e04e4121", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37a3d6ac1574c8da2da0096f706bb2e8aa9ae6cb8e0ac3cae2526f58e04e4121", kill_on_drop: false }`
[INFO] [stdout] 37a3d6ac1574c8da2da0096f706bb2e8aa9ae6cb8e0ac3cae2526f58e04e4121
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] ef3b2552fdcb42ef98676e942dc0f24a68314bcfcb8f663740c215def0bca2a5
[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" "ef3b2552fdcb42ef98676e942dc0f24a68314bcfcb8f663740c215def0bca2a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.23
[INFO] [stderr]    Compiling khronos_api v3.0.0
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]     Checking xdg v2.1.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]    Compiling wayland-scanner v0.21.4
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking piston-viewport v0.4.0
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]     Checking ordered-float v1.0.1
[INFO] [stderr]     Checking approx v0.3.0
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]     Checking x11-dl v2.18.3
[INFO] [stderr]     Checking ordered-float v0.5.2
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking wayland-sys v0.21.4
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking rusttype v0.7.2
[INFO] [stderr]     Checking rusttype v0.5.2
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking wayland-commons v0.21.4
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking andrew v0.1.4
[INFO] [stderr]     Checking piston2d-graphics v0.27.0
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling wayland-client v0.21.4
[INFO] [stderr]    Compiling wayland-protocols v0.21.4
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]    Compiling syn v0.15.20
[INFO] [stderr]    Compiling glutin v0.19.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.1
[INFO] [stderr]     Checking winit v0.18.0
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling derivative v1.0.2
[INFO] [stderr]     Checking tiff v0.2.1
[INFO] [stderr]     Checking gfx_core v0.8.3
[INFO] [stderr]     Checking image v0.20.1
[INFO] [stderr]     Checking pistoncore-input v0.22.0
[INFO] [stderr]     Checking gfx v0.17.1
[INFO] [stderr]     Checking gfx_device_gl v0.15.3
[INFO] [stderr]     Checking piston-gfx_texture v0.34.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.53.0
[INFO] [stderr]     Checking pistoncore-window v0.33.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.38.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.50.0
[INFO] [stderr]     Checking piston v0.38.0
[INFO] [stderr]     Checking piston_window v0.84.0
[INFO] [stderr]  Documenting snake v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 41s
[INFO] running `Command { std: "docker" "inspect" "ef3b2552fdcb42ef98676e942dc0f24a68314bcfcb8f663740c215def0bca2a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef3b2552fdcb42ef98676e942dc0f24a68314bcfcb8f663740c215def0bca2a5", kill_on_drop: false }`
[INFO] [stdout] ef3b2552fdcb42ef98676e942dc0f24a68314bcfcb8f663740c215def0bca2a5