[INFO] fetching crate dcpu16-gui 0.2.0...
[INFO] documenting dcpu16-gui-0.2.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate dcpu16-gui 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate dcpu16-gui 0.2.0 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 crates.io crate dcpu16-gui 0.2.0
[INFO] finished tweaking crates.io crate dcpu16-gui 0.2.0
[INFO] tweaked toml for crates.io crate dcpu16-gui 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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 gfx v0.12.2
[INFO] [stderr]   Downloaded piston-shaders_graphics2d v0.2.1
[INFO] [stderr]   Downloaded pistoncore-glutin_window v0.33.0
[INFO] [stderr]   Downloaded piston-gfx_texture v0.18.0
[INFO] [stderr]   Downloaded pistoncore-window v0.24.0
[INFO] [stderr]   Downloaded pistoncore-event_loop v0.27.0
[INFO] [stderr]   Downloaded draw_state v0.6.0
[INFO] [stderr]   Downloaded gfx_device_gl v0.11.2
[INFO] [stderr]   Downloaded gfx_core v0.4.0
[INFO] [stderr]   Downloaded dcpu16 v0.1.0
[INFO] [stderr]   Downloaded pistoncore-input v0.15.0
[INFO] [stderr]   Downloaded piston v0.27.0
[INFO] [stderr]   Downloaded piston2d-graphics v0.19.0
[INFO] [stderr]   Downloaded piston2d-gfx_graphics v0.33.2
[INFO] [stderr]   Downloaded piston2d-opengl_graphics v0.36.2
[INFO] [stderr]   Downloaded piston_window v0.58.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 3179a536b2daf28105d794c33fc96bd85a51a9aba550eac82fecaa6221cfdf8c
[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" "3179a536b2daf28105d794c33fc96bd85a51a9aba550eac82fecaa6221cfdf8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3179a536b2daf28105d794c33fc96bd85a51a9aba550eac82fecaa6221cfdf8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3179a536b2daf28105d794c33fc96bd85a51a9aba550eac82fecaa6221cfdf8c", kill_on_drop: false }`
[INFO] [stdout] 3179a536b2daf28105d794c33fc96bd85a51a9aba550eac82fecaa6221cfdf8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 78e14d0b87888e65dff2c1ca849563c075634d8a9e6ac9bca2ca8cafc6e898d1
[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" "78e14d0b87888e65dff2c1ca849563c075634d8a9e6ac9bca2ca8cafc6e898d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling serde v0.9.15
[INFO] [stderr]    Compiling dtoa v0.4.6
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]     Checking piston-float v0.2.0
[INFO] [stderr]    Compiling khronos_api v1.0.1
[INFO] [stderr]     Checking shader_version v0.2.2
[INFO] [stderr]     Checking bitflags v0.6.0
[INFO] [stderr]     Checking inflate v0.1.1
[INFO] [stderr]     Checking piston-texture v0.5.0
[INFO] [stderr]     Checking read_color v0.1.0
[INFO] [stderr]     Checking piston-shaders_graphics2d v0.2.1
[INFO] [stderr]     Checking piston-shaders_graphics2d v0.1.0
[INFO] [stderr]     Checking gif v0.9.2
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling wayland-scanner v0.7.8
[INFO] [stderr]     Checking dcpu16 v0.1.0
[INFO] [stderr]     Checking piston-viewport v0.2.0
[INFO] [stderr]     Checking vecmath v0.2.0
[INFO] [stderr]     Checking draw_state v0.6.0
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling xml-rs v0.6.1
[INFO] [stderr]     Checking fs2 v0.2.5
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking tempfile v2.2.0
[INFO] [stderr]     Checking rusttype v0.2.4
[INFO] [stderr]     Checking pistoncore-input v0.15.0
[INFO] [stderr]     Checking memmap v0.4.0
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]     Checking piston2d-graphics v0.19.0
[INFO] [stderr]     Checking gfx_core v0.4.0
[INFO] [stderr]    Compiling gl_generator v0.5.5
[INFO] [stderr]     Checking png v0.5.2
[INFO] [stderr]    Compiling wayland-client v0.7.8
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking image v0.10.4
[INFO] [stderr]     Checking pistoncore-window v0.24.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.27.0
[INFO] [stderr]     Checking piston v0.27.0
[INFO] [stderr]    Compiling glutin v0.7.4
[INFO] [stderr]    Compiling gfx_gl v0.3.1
[INFO] [stderr]     Checking gfx v0.12.2
[INFO] [stderr]     Checking piston-gfx_texture v0.18.0
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.36.2
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.33.2
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]     Checking gfx_device_gl v0.11.2
[INFO] [stderr]     Checking dlib v0.3.1
[INFO] [stderr]     Checking wayland-sys v0.7.8
[INFO] [stderr]     Checking wayland-kbd v0.6.3
[INFO] [stderr]     Checking wayland-window v0.4.4
[INFO] [stderr]     Checking winit v0.5.11
[INFO] [stderr]     Checking pistoncore-glutin_window v0.33.0
[INFO] [stderr]     Checking piston_window v0.58.0
[INFO] [stderr]  Documenting dcpu16-gui v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/main.rs:398:35
[INFO] [stdout]     |
[INFO] [stdout] 398 |                     img.put_pixel((k as u32 % MONITOR_WIDTH), k as u32 / MONITOR_WIDTH as u32, color);
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.52s
[INFO] running `Command { std: "docker" "inspect" "78e14d0b87888e65dff2c1ca849563c075634d8a9e6ac9bca2ca8cafc6e898d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78e14d0b87888e65dff2c1ca849563c075634d8a9e6ac9bca2ca8cafc6e898d1", kill_on_drop: false }`
[INFO] [stdout] 78e14d0b87888e65dff2c1ca849563c075634d8a9e6ac9bca2ca8cafc6e898d1