[INFO] updating cached repository derekaspaulding/chip-8-emulator-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/derekaspaulding/chip-8-emulator-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/derekaspaulding/chip-8-emulator-rust" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/derekaspaulding/chip-8-emulator-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/derekaspaulding/chip-8-emulator-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/derekaspaulding/chip-8-emulator-rust" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/derekaspaulding/chip-8-emulator-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/derekaspaulding/chip-8-emulator-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 60d09f701beaea2538a021f5537bea72933560b5
[INFO] sha for GitHub repo derekaspaulding/chip-8-emulator-rust: 60d09f701beaea2538a021f5537bea72933560b5
[INFO] validating manifest of derekaspaulding/chip-8-emulator-rust on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of derekaspaulding/chip-8-emulator-rust on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing derekaspaulding/chip-8-emulator-rust
[INFO] finished frobbing derekaspaulding/chip-8-emulator-rust
[INFO] frobbed toml for derekaspaulding/chip-8-emulator-rust written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/derekaspaulding/chip-8-emulator-rust/Cargo.toml
[INFO] started frobbing derekaspaulding/chip-8-emulator-rust
[INFO] finished frobbing derekaspaulding/chip-8-emulator-rust
[INFO] frobbed toml for derekaspaulding/chip-8-emulator-rust written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/derekaspaulding/chip-8-emulator-rust/Cargo.toml
[INFO] crate derekaspaulding/chip-8-emulator-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking derekaspaulding/chip-8-emulator-rust against try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-6/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/derekaspaulding/chip-8-emulator-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0556b2597954208f323d35de4b558ae578fef96fbf3c88ce0df39f6dd901d2bc
[INFO] running `"docker" "start" "-a" "0556b2597954208f323d35de4b558ae578fef96fbf3c88ce0df39f6dd901d2bc"`
[INFO] [stderr]     Checking chip-8-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: structure field `Vx` should have a snake case name
[INFO] [stderr]   --> src/instruction.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     Vx: u8,
[INFO] [stderr]    |     ^^ help: convert the identifier to snake case: `vx`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Vy` should have a snake case name
[INFO] [stderr]   --> src/instruction.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 78 |     Vy: u8,
[INFO] [stderr]    |     ^^ help: convert the identifier to snake case: `vy`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Vx` should have a snake case name
[INFO] [stderr]   --> src/instruction.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 |     Vx: u8,
[INFO] [stderr]    |     ^^ help: convert the identifier to snake case: `vx`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Vy` should have a snake case name
[INFO] [stderr]   --> src/instruction.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 |     Vy: u8,
[INFO] [stderr]    |     ^^ help: convert the identifier to snake case: `vy`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Vx` should have a snake case name
[INFO] [stderr]   --> src/instruction.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     Vx: u8,
[INFO] [stderr]    |     ^^ help: convert the identifier to snake case: `vx`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Vy` should have a snake case name
[INFO] [stderr]   --> src/instruction.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 78 |     Vy: u8,
[INFO] [stderr]    |     ^^ help: convert the identifier to snake case: `vy`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Vx` should have a snake case name
[INFO] [stderr]   --> src/instruction.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 |     Vx: u8,
[INFO] [stderr]    |     ^^ help: convert the identifier to snake case: `vx`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Vy` should have a snake case name
[INFO] [stderr]   --> src/instruction.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 |     Vy: u8,
[INFO] [stderr]    |     ^^ help: convert the identifier to snake case: `vy`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "0556b2597954208f323d35de4b558ae578fef96fbf3c88ce0df39f6dd901d2bc"`
[INFO] running `"docker" "rm" "-f" "0556b2597954208f323d35de4b558ae578fef96fbf3c88ce0df39f6dd901d2bc"`
[INFO] [stdout] 0556b2597954208f323d35de4b558ae578fef96fbf3c88ce0df39f6dd901d2bc