[INFO] cloning repository https://github.com/btwotwo/chip8rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/btwotwo/chip8rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbtwotwo%2Fchip8rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbtwotwo%2Fchip8rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9855fd91021ab763f01dd41705558955a98f4677
[INFO] documenting btwotwo/chip8rust 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%2Fbtwotwo%2Fchip8rust" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/btwotwo/chip8rust 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/btwotwo/chip8rust
[INFO] finished tweaking git repo https://github.com/btwotwo/chip8rust
[INFO] tweaked toml for git repo https://github.com/btwotwo/chip8rust written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/btwotwo/chip8rust 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arc-swap v0.4.4
[INFO] [stderr]   Downloaded bit-vec v0.6.1
[INFO] [stderr]   Downloaded crossterm_winapi v0.5.1
[INFO] [stderr]   Downloaded signal-hook v0.1.12
[INFO] [stderr]   Downloaded smallvec v1.1.0
[INFO] [stderr]   Downloaded crossterm v0.14.2
[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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 185010ea580d15b5380801c1a0329b201ecd5da3698130d6fe313169c8f8ac34
[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" "185010ea580d15b5380801c1a0329b201ecd5da3698130d6fe313169c8f8ac34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "185010ea580d15b5380801c1a0329b201ecd5da3698130d6fe313169c8f8ac34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "185010ea580d15b5380801c1a0329b201ecd5da3698130d6fe313169c8f8ac34", kill_on_drop: false }`
[INFO] [stdout] 185010ea580d15b5380801c1a0329b201ecd5da3698130d6fe313169c8f8ac34
[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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0226da9de8afd558b1f2fc5f5951a209e0c41224e124d7f479a4c2cf718cb9bf
[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" "0226da9de8afd558b1f2fc5f5951a209e0c41224e124d7f479a4c2cf718cb9bf", kill_on_drop: false }`
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking signal-hook v0.1.12
[INFO] [stderr]     Checking crossterm v0.14.2
[INFO] [stderr]  Documenting chip8rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `pixel` should have an upper case name
[INFO] [stdout]  --> src/screen/screen.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const pixel: &'static str = "█";
[INFO] [stdout]   |       ^^^^^ help: convert the identifier to upper case: `PIXEL`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` 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 3.75s
[INFO] running `Command { std: "docker" "inspect" "0226da9de8afd558b1f2fc5f5951a209e0c41224e124d7f479a4c2cf718cb9bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0226da9de8afd558b1f2fc5f5951a209e0c41224e124d7f479a4c2cf718cb9bf", kill_on_drop: false }`
[INFO] [stdout] 0226da9de8afd558b1f2fc5f5951a209e0c41224e124d7f479a4c2cf718cb9bf