[INFO] cloning repository https://github.com/Dzuvan/Chip8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Dzuvan/Chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDzuvan%2FChip8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDzuvan%2FChip8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 13a5a159776de80014a29d75be7d396dc49d03f7
[INFO] documenting Dzuvan/Chip8 against try#6ee483316d2e4581572121d60a955affb2032eb3+cargoflags=-Zrustdoc-scrape-examples for scrape-examples
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDzuvan%2FChip8" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Dzuvan/Chip8 on toolchain 6ee483316d2e4581572121d60a955affb2032eb3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6ee483316d2e4581572121d60a955affb2032eb3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Dzuvan/Chip8
[INFO] finished tweaking git repo https://github.com/Dzuvan/Chip8
[INFO] tweaked toml for git repo https://github.com/Dzuvan/Chip8 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Dzuvan/Chip8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6ee483316d2e4581572121d60a955affb2032eb3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+6ee483316d2e4581572121d60a955affb2032eb3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c692cf3a1847bf77525b84e3f8476970d1d12d5ff7a880d6afee3defe8918036
[INFO] running `Command { std: "docker" "start" "-a" "c692cf3a1847bf77525b84e3f8476970d1d12d5ff7a880d6afee3defe8918036", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c692cf3a1847bf77525b84e3f8476970d1d12d5ff7a880d6afee3defe8918036", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c692cf3a1847bf77525b84e3f8476970d1d12d5ff7a880d6afee3defe8918036", kill_on_drop: false }`
[INFO] [stdout] c692cf3a1847bf77525b84e3f8476970d1d12d5ff7a880d6afee3defe8918036
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+6ee483316d2e4581572121d60a955affb2032eb3" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json" "-Zrustdoc-scrape-examples", kill_on_drop: false }`
[INFO] [stdout] 04a630ecf1f23e87ab530f6f304646314f95ee3b75c00d304b08e7b923584cab
[INFO] running `Command { std: "docker" "start" "-a" "04a630ecf1f23e87ab530f6f304646314f95ee3b75c00d304b08e7b923584cab", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.29
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling log v0.3.8
[INFO] [stderr]    Compiling khronos_api v1.0.1 (https://github.com/bjz/gl-rs#ad01c870)
[INFO] [stderr]    Compiling sdl2-sys v0.30.0 (https://github.com/AngryLawyer/rust-sdl2#56236302)
[INFO] [stderr]     Checking either v1.1.0
[INFO] [stderr]     Checking scopeguard v0.3.2
[INFO] [stderr]     Checking matches v0.1.6
[INFO] [stderr]    Compiling rayon-core v1.2.1
[INFO] [stderr]     Checking futures v0.1.14
[INFO] [stderr]     Checking regex-syntax v0.4.1
[INFO] [stderr]     Checking unicode-normalization v0.1.5
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking coco v0.1.1
[INFO] [stderr]     Checking byteorder v1.1.0
[INFO] [stderr]    Compiling xml-rs v0.6.1
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking percent-encoding v1.0.0
[INFO] [stderr]     Checking rand v0.3.16
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking num_cpus v1.6.2
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking c_vec v1.0.12
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking same-file v0.1.3
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking idna v0.1.4
[INFO] [stderr]     Checking memmap v0.5.2
[INFO] [stderr]     Checking serde v1.0.11
[INFO] [stderr]     Checking walkdir v1.0.7
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]    Compiling gl_generator v0.5.5 (https://github.com/bjz/gl-rs#ad01c870)
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]     Checking cgmath v0.15.0
[INFO] [stderr]     Checking url v1.5.1
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr] warning: failed to check lib in package `url` as a prerequisite for scraping examples from: bin "emulator"
[INFO] [stderr]     Try running with `--verbose` to see the error message.
[INFO] [stderr]     If an example or library should not be scanned, then consider adding `doc-scrape-examples = false` to its `[[example]]` or `[lib]` definition in /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.5.1/Cargo.toml
[INFO] [stderr] warning: `url` (lib) generated 1 warning
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]     Checking num-bigint v0.1.40
[INFO] [stderr]    Compiling gl v0.6.3 (https://github.com/bjz/gl-rs#ad01c870)
[INFO] [stderr]     Checking num-complex v0.1.40
[INFO] [stderr]     Checking csv v0.15.0
[INFO] [stderr]     Checking num-rational v0.1.39
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking sdl2 v0.30.0 (https://github.com/AngryLawyer/rust-sdl2#56236302)
[INFO] [stderr]     Scraping emulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting emulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/main.rs:353:79
[INFO] [stdout]     |
[INFO] [stdout] 353 |     fn load_application<P: AsRef<Path>>(&mut self, file_path: P)-> Result<(), (String)>
[INFO] [stdout]     |                                                                               ^      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 353 -     fn load_application<P: AsRef<Path>>(&mut self, file_path: P)-> Result<(), (String)>
[INFO] [stdout] 353 +     fn load_application<P: AsRef<Path>>(&mut self, file_path: P)-> Result<(), String>
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.69s
[INFO] running `Command { std: "docker" "inspect" "04a630ecf1f23e87ab530f6f304646314f95ee3b75c00d304b08e7b923584cab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04a630ecf1f23e87ab530f6f304646314f95ee3b75c00d304b08e7b923584cab", kill_on_drop: false }`
[INFO] [stdout] 04a630ecf1f23e87ab530f6f304646314f95ee3b75c00d304b08e7b923584cab