[INFO] cloning repository https://github.com/derekaspaulding/chip-8-emulator-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/derekaspaulding/chip-8-emulator-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fderekaspaulding%2Fchip-8-emulator-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fderekaspaulding%2Fchip-8-emulator-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 60d09f701beaea2538a021f5537bea72933560b5
[INFO] checking derekaspaulding/chip-8-emulator-rust against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fderekaspaulding%2Fchip-8-emulator-rust" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/derekaspaulding/chip-8-emulator-rust on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/derekaspaulding/chip-8-emulator-rust
[INFO] finished tweaking git repo https://github.com/derekaspaulding/chip-8-emulator-rust
[INFO] tweaked toml for git repo https://github.com/derekaspaulding/chip-8-emulator-rust written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/derekaspaulding/chip-8-emulator-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5370eaab6affa8c0f8047932ab754453f066c70750e4a933e3a27a74add4a21d
[INFO] running `Command { std: "docker" "start" "-a" "5370eaab6affa8c0f8047932ab754453f066c70750e4a933e3a27a74add4a21d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5370eaab6affa8c0f8047932ab754453f066c70750e4a933e3a27a74add4a21d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5370eaab6affa8c0f8047932ab754453f066c70750e4a933e3a27a74add4a21d", kill_on_drop: false }`
[INFO] [stdout] 5370eaab6affa8c0f8047932ab754453f066c70750e4a933e3a27a74add4a21d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aee9b37e8a9a3c0aaa744fb77e76fb2f4300e081dff1a045f956ef577c46ffb0
[INFO] running `Command { std: "docker" "start" "-a" "aee9b37e8a9a3c0aaa744fb77e76fb2f4300e081dff1a045f956ef577c46ffb0", kill_on_drop: false }`
[INFO] [stderr]     Checking chip-8-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: structure field `Vx` should have a snake case name
[INFO] [stdout]   --> src/instruction.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     Vx: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `vx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Vy` should have a snake case name
[INFO] [stdout]   --> src/instruction.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     Vy: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `vy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Vx` should have a snake case name
[INFO] [stdout]   --> src/instruction.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 |     Vx: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `vx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Vy` should have a snake case name
[INFO] [stdout]   --> src/instruction.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 |     Vy: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `vy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Vx` should have a snake case name
[INFO] [stdout]   --> src/instruction.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     Vx: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `vx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Vy` should have a snake case name
[INFO] [stdout]   --> src/instruction.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     Vy: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `vy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Vx` should have a snake case name
[INFO] [stdout]   --> src/instruction.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 |     Vx: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `vx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Vy` should have a snake case name
[INFO] [stdout]   --> src/instruction.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 |     Vy: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `vy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "aee9b37e8a9a3c0aaa744fb77e76fb2f4300e081dff1a045f956ef577c46ffb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aee9b37e8a9a3c0aaa744fb77e76fb2f4300e081dff1a045f956ef577c46ffb0", kill_on_drop: false }`
[INFO] [stdout] aee9b37e8a9a3c0aaa744fb77e76fb2f4300e081dff1a045f956ef577c46ffb0