[INFO] cloning repository https://github.com/cafeclimber/GadgetNES
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cafeclimber/GadgetNES" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcafeclimber%2FGadgetNES", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcafeclimber%2FGadgetNES'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 683b6e29ed51b65db4afad1d131ef0797a0e9799
[INFO] documenting cafeclimber/GadgetNES against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcafeclimber%2FGadgetNES" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cafeclimber/GadgetNES on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cafeclimber/GadgetNES
[INFO] finished tweaking git repo https://github.com/cafeclimber/GadgetNES
[INFO] tweaked toml for git repo https://github.com/cafeclimber/GadgetNES written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/cafeclimber/GadgetNES already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8cf630c9f9202b6af8bde9ac294a4cad75a8cb180503cc9dc3a291c3be491786
[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" "8cf630c9f9202b6af8bde9ac294a4cad75a8cb180503cc9dc3a291c3be491786", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cf630c9f9202b6af8bde9ac294a4cad75a8cb180503cc9dc3a291c3be491786", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cf630c9f9202b6af8bde9ac294a4cad75a8cb180503cc9dc3a291c3be491786", kill_on_drop: false }`
[INFO] [stdout] 8cf630c9f9202b6af8bde9ac294a4cad75a8cb180503cc9dc3a291c3be491786
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32c0998681bc7969b70a9d8c88631c1e21e523a041954ee09d3fab5d5893a6d2
[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" "32c0998681bc7969b70a9d8c88631c1e21e523a041954ee09d3fab5d5893a6d2", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.2.2
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking atty v0.2.8
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]    Compiling sdl2-sys v0.31.0
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking num-iter v0.1.35
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking sdl2 v0.31.0
[INFO] [stderr]  Documenting gadget_nes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/nes.rs:70:31
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn step(&mut self) -> (u8) {
[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 11.05s
[INFO] running `Command { std: "docker" "inspect" "32c0998681bc7969b70a9d8c88631c1e21e523a041954ee09d3fab5d5893a6d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32c0998681bc7969b70a9d8c88631c1e21e523a041954ee09d3fab5d5893a6d2", kill_on_drop: false }`
[INFO] [stdout] 32c0998681bc7969b70a9d8c88631c1e21e523a041954ee09d3fab5d5893a6d2