[INFO] cloning repository https://github.com/Lin-H/chip8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lin-H/chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLin-H%2Fchip8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLin-H%2Fchip8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 54d91346027e420d7e0887bb13860cdd9e7ce0f1
[INFO] checking Lin-H/chip8 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLin-H%2Fchip8" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Lin-H/chip8 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Lin-H/chip8
[INFO] finished tweaking git repo https://github.com/Lin-H/chip8
[INFO] tweaked toml for git repo https://github.com/Lin-H/chip8 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Lin-H/chip8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44e8d92fde8b599b3712bee0c216832d58f3c7004a0e0d8ea574cf60763a63df
[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" "44e8d92fde8b599b3712bee0c216832d58f3c7004a0e0d8ea574cf60763a63df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44e8d92fde8b599b3712bee0c216832d58f3c7004a0e0d8ea574cf60763a63df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44e8d92fde8b599b3712bee0c216832d58f3c7004a0e0d8ea574cf60763a63df", kill_on_drop: false }`
[INFO] [stdout] 44e8d92fde8b599b3712bee0c216832d58f3c7004a0e0d8ea574cf60763a63df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 682a3183e9b064071bbf04143ecbb16271d6a27fcd75741e8be9676b66e32a2f
[INFO] running `Command { std: "docker" "start" "-a" "682a3183e9b064071bbf04143ecbb16271d6a27fcd75741e8be9676b66e32a2f", kill_on_drop: false }`
[INFO] [stderr]     Checking chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `speed`
[INFO] [stdout]  --> src/cpu.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     speed: u16, // 500Hz
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `V`
[INFO] [stdout]  --> src/cpu.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     V: [u8; 16], // 16 8bit register
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `I`
[INFO] [stdout]  --> src/cpu.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     I: u16,  // 16bit address register
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `V` should have a snake case name
[INFO] [stdout]  --> src/cpu.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     V: [u8; 16], // 16 8bit register
[INFO] [stdout]   |     ^ help: convert the identifier to snake case (notice the capitalization): `v`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `I` should have a snake case name
[INFO] [stdout]  --> src/cpu.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     I: u16,  // 16bit address register
[INFO] [stdout]   |     ^ help: convert the identifier to snake case (notice the capitalization): `i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `getOP` should have a snake case name
[INFO] [stdout]   --> src/cpu.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn getOP(&mut self) -> u16 { // 获取当前CPU指令 并向后2 byte移动指针
[INFO] [stdout]    |        ^^^^^ help: convert the identifier to snake case: `get_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `speed`
[INFO] [stdout]  --> src/cpu.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     speed: u16, // 500Hz
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `V`
[INFO] [stdout]  --> src/cpu.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     V: [u8; 16], // 16 8bit register
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `I`
[INFO] [stdout]  --> src/cpu.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     I: u16,  // 16bit address register
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `V` should have a snake case name
[INFO] [stdout]  --> src/cpu.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     V: [u8; 16], // 16 8bit register
[INFO] [stdout]   |     ^ help: convert the identifier to snake case (notice the capitalization): `v`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `I` should have a snake case name
[INFO] [stdout]  --> src/cpu.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     I: u16,  // 16bit address register
[INFO] [stdout]   |     ^ help: convert the identifier to snake case (notice the capitalization): `i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `getOP` should have a snake case name
[INFO] [stdout]   --> src/cpu.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn getOP(&mut self) -> u16 { // 获取当前CPU指令 并向后2 byte移动指针
[INFO] [stdout]    |        ^^^^^ help: convert the identifier to snake case: `get_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "682a3183e9b064071bbf04143ecbb16271d6a27fcd75741e8be9676b66e32a2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "682a3183e9b064071bbf04143ecbb16271d6a27fcd75741e8be9676b66e32a2f", kill_on_drop: false }`
[INFO] [stdout] 682a3183e9b064071bbf04143ecbb16271d6a27fcd75741e8be9676b66e32a2f