[INFO] cloning repository https://github.com/aml360/chip8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aml360/chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faml360%2Fchip8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faml360%2Fchip8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2ee7c79e55543cd1e6184fd8f7f614810ffdca16
[INFO] testing aml360/chip8/2ee7c79e55543cd1e6184fd8f7f614810ffdca16 against 1.81.0 for beta-1.82-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faml360%2Fchip8" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aml360/chip8 on toolchain 1.81.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.81.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aml360/chip8
[INFO] finished tweaking git repo https://github.com/aml360/chip8
[INFO] tweaked toml for git repo https://github.com/aml360/chip8 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/aml360/chip8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.81.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+1.81.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55960f6395062cc2a17872adb758018d5ff19a6ac02c4e6cafb4691de859558b
[INFO] running `Command { std: "docker" "start" "-a" "55960f6395062cc2a17872adb758018d5ff19a6ac02c4e6cafb4691de859558b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55960f6395062cc2a17872adb758018d5ff19a6ac02c4e6cafb4691de859558b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55960f6395062cc2a17872adb758018d5ff19a6ac02c4e6cafb4691de859558b", kill_on_drop: false }`
[INFO] [stdout] 55960f6395062cc2a17872adb758018d5ff19a6ac02c4e6cafb4691de859558b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+1.81.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a11cc55ab4561c4e5c933ffc794fd5498f2bbe032d3546201acd39892ccd737
[INFO] running `Command { std: "docker" "start" "-a" "5a11cc55ab4561c4e5c933ffc794fd5498f2bbe032d3546201acd39892ccd737", kill_on_drop: false }`
[INFO] [stderr]    Compiling chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `cpu`
[INFO] [stdout]   --> src/main.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let cpu = Cpu::default();
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `sp`, `stack`, `registers`, `pc`, and `ram` are never read
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Cpu {
[INFO] [stdout]   |        --- fields in this struct
[INFO] [stdout] 2 |     sp: u8,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 3 |     stack: [u16; 16],
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 4 |     registers: RegisterBank,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 5 |     pc: u8,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 6 |     ram: [u8; 4096],
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct RegisterBank {
[INFO] [stdout]    |        ------------ fields in this struct
[INFO] [stdout] 22 |     V0: u8,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 23 |     V1: u8,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 24 |     V2: u8,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 25 |     V3: u8,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 26 |     V4: u8,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 27 |     V5: u8,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 28 |     V6: u8,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 29 |     V7: u8,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 30 |     V8: u8,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 31 |     V9: u8,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 32 |     VA: u8,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 33 |     VB: u8,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 34 |     VC: u8,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 35 |     VD: u8,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 36 |     VE: u8,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 37 |     VF: u8,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 38 |     I: u16,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `V0` should have a snake case name
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     V0: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `v0`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `V1` should have a snake case name
[INFO] [stdout]   --> src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     V1: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `v1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `V2` should have a snake case name
[INFO] [stdout]   --> src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     V2: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `v2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `V3` should have a snake case name
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     V3: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `v3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `V4` should have a snake case name
[INFO] [stdout]   --> src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     V4: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `v4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `V5` should have a snake case name
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     V5: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `v5`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `V6` should have a snake case name
[INFO] [stdout]   --> src/main.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     V6: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `v6`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `V7` should have a snake case name
[INFO] [stdout]   --> src/main.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     V7: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `v7`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `V8` should have a snake case name
[INFO] [stdout]   --> src/main.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     V8: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `v8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `V9` should have a snake case name
[INFO] [stdout]   --> src/main.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     V9: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `v9`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `VA` should have a snake case name
[INFO] [stdout]   --> src/main.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     VA: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case: `va`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `VB` should have a snake case name
[INFO] [stdout]   --> src/main.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     VB: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case: `vb`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `VC` should have a snake case name
[INFO] [stdout]   --> src/main.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     VC: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `vc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `VD` should have a snake case name
[INFO] [stdout]   --> src/main.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     VD: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case: `vd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `VE` should have a snake case name
[INFO] [stdout]   --> src/main.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     VE: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case: `ve`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `VF` should have a snake case name
[INFO] [stdout]   --> src/main.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     VF: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `vf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `I` should have a snake case name
[INFO] [stdout]   --> src/main.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     I: u16,
[INFO] [stdout]    |     ^ help: convert the identifier to snake case (notice the capitalization): `i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "5a11cc55ab4561c4e5c933ffc794fd5498f2bbe032d3546201acd39892ccd737", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a11cc55ab4561c4e5c933ffc794fd5498f2bbe032d3546201acd39892ccd737", kill_on_drop: false }`
[INFO] [stdout] 5a11cc55ab4561c4e5c933ffc794fd5498f2bbe032d3546201acd39892ccd737
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+1.81.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99995b2644faa35e132a1f22c995c9ccbf028b8ac201d2c2da27970626904ea0
[INFO] running `Command { std: "docker" "start" "-a" "99995b2644faa35e132a1f22c995c9ccbf028b8ac201d2c2da27970626904ea0", kill_on_drop: false }`
[INFO] [stderr]    Compiling chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `cpu`
[INFO] [stdout]   --> src/main.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let cpu = Cpu::default();
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `sp`, `stack`, `registers`, `pc`, and `ram` are never read
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Cpu {
[INFO] [stdout]   |        --- fields in this struct
[INFO] [stdout] 2 |     sp: u8,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 3 |     stack: [u16; 16],
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 4 |     registers: RegisterBank,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 5 |     pc: u8,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 6 |     ram: [u8; 4096],
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct RegisterBank {
[INFO] [stdout]    |        ------------ fields in this struct
[INFO] [stdout] 22 |     V0: u8,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 23 |     V1: u8,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 24 |     V2: u8,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 25 |     V3: u8,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 26 |     V4: u8,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 27 |     V5: u8,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 28 |     V6: u8,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 29 |     V7: u8,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 30 |     V8: u8,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 31 |     V9: u8,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 32 |     VA: u8,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 33 |     VB: u8,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 34 |     VC: u8,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 35 |     VD: u8,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 36 |     VE: u8,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 37 |     VF: u8,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 38 |     I: u16,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `V0` should have a snake case name
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     V0: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `v0`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `V1` should have a snake case name
[INFO] [stdout]   --> src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     V1: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `v1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `V2` should have a snake case name
[INFO] [stdout]   --> src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     V2: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `v2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `V3` should have a snake case name
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     V3: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `v3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `V4` should have a snake case name
[INFO] [stdout]   --> src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     V4: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `v4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `V5` should have a snake case name
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     V5: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `v5`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `V6` should have a snake case name
[INFO] [stdout]   --> src/main.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     V6: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `v6`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `V7` should have a snake case name
[INFO] [stdout]   --> src/main.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     V7: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `v7`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `V8` should have a snake case name
[INFO] [stdout]   --> src/main.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     V8: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `v8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `V9` should have a snake case name
[INFO] [stdout]   --> src/main.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     V9: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `v9`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `VA` should have a snake case name
[INFO] [stdout]   --> src/main.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     VA: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case: `va`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `VB` should have a snake case name
[INFO] [stdout]   --> src/main.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     VB: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case: `vb`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `VC` should have a snake case name
[INFO] [stdout]   --> src/main.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     VC: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `vc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `VD` should have a snake case name
[INFO] [stdout]   --> src/main.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     VD: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case: `vd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `VE` should have a snake case name
[INFO] [stdout]   --> src/main.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     VE: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case: `ve`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `VF` should have a snake case name
[INFO] [stdout]   --> src/main.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     VF: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `vf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `I` should have a snake case name
[INFO] [stdout]   --> src/main.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     I: u16,
[INFO] [stdout]    |     ^ help: convert the identifier to snake case (notice the capitalization): `i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "99995b2644faa35e132a1f22c995c9ccbf028b8ac201d2c2da27970626904ea0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99995b2644faa35e132a1f22c995c9ccbf028b8ac201d2c2da27970626904ea0", kill_on_drop: false }`
[INFO] [stdout] 99995b2644faa35e132a1f22c995c9ccbf028b8ac201d2c2da27970626904ea0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+1.81.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7fbbde25456a6918c82b5e6b920bf41d736a8b8744b320dfe625e37c179c4fc3
[INFO] running `Command { std: "docker" "start" "-a" "7fbbde25456a6918c82b5e6b920bf41d736a8b8744b320dfe625e37c179c4fc3", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `cpu`
[INFO] [stderr]   --> src/main.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 |     let cpu = Cpu::default();
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `sp`, `stack`, `registers`, `pc`, and `ram` are never read
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Cpu {
[INFO] [stderr]   |        --- fields in this struct
[INFO] [stderr] 2 |     sp: u8,
[INFO] [stderr]   |     ^^
[INFO] [stderr] 3 |     stack: [u16; 16],
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 4 |     registers: RegisterBank,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 5 |     pc: u8,
[INFO] [stderr]   |     ^^
[INFO] [stderr] 6 |     ram: [u8; 4096],
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: multiple fields are never read
[INFO] [stderr]   --> src/main.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | struct RegisterBank {
[INFO] [stderr]    |        ------------ fields in this struct
[INFO] [stderr] 22 |     V0: u8,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 23 |     V1: u8,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 24 |     V2: u8,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 25 |     V3: u8,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 26 |     V4: u8,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 27 |     V5: u8,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 28 |     V6: u8,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 29 |     V7: u8,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 30 |     V8: u8,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 31 |     V9: u8,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 32 |     VA: u8,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 33 |     VB: u8,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 34 |     VC: u8,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 35 |     VD: u8,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 36 |     VE: u8,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 37 |     VF: u8,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 38 |     I: u16,
[INFO] [stderr]    |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `V0` should have a snake case name
[INFO] [stderr]   --> src/main.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     V0: u8,
[INFO] [stderr]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `v0`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `V1` should have a snake case name
[INFO] [stderr]   --> src/main.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     V1: u8,
[INFO] [stderr]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `v1`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `V2` should have a snake case name
[INFO] [stderr]   --> src/main.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     V2: u8,
[INFO] [stderr]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `v2`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `V3` should have a snake case name
[INFO] [stderr]   --> src/main.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     V3: u8,
[INFO] [stderr]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `v3`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `V4` should have a snake case name
[INFO] [stderr]   --> src/main.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     V4: u8,
[INFO] [stderr]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `v4`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `V5` should have a snake case name
[INFO] [stderr]   --> src/main.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     V5: u8,
[INFO] [stderr]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `v5`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `V6` should have a snake case name
[INFO] [stderr]   --> src/main.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     V6: u8,
[INFO] [stderr]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `v6`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `V7` should have a snake case name
[INFO] [stderr]   --> src/main.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     V7: u8,
[INFO] [stderr]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `v7`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `V8` should have a snake case name
[INFO] [stderr]   --> src/main.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     V8: u8,
[INFO] [stderr]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `v8`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `V9` should have a snake case name
[INFO] [stderr]   --> src/main.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     V9: u8,
[INFO] [stderr]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `v9`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `VA` should have a snake case name
[INFO] [stderr]   --> src/main.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     VA: u8,
[INFO] [stderr]    |     ^^ help: convert the identifier to snake case: `va`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `VB` should have a snake case name
[INFO] [stderr]   --> src/main.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     VB: u8,
[INFO] [stderr]    |     ^^ help: convert the identifier to snake case: `vb`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `VC` should have a snake case name
[INFO] [stderr]   --> src/main.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     VC: u8,
[INFO] [stderr]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `vc`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `VD` should have a snake case name
[INFO] [stderr]   --> src/main.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     VD: u8,
[INFO] [stderr]    |     ^^ help: convert the identifier to snake case: `vd`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `VE` should have a snake case name
[INFO] [stderr]   --> src/main.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     VE: u8,
[INFO] [stderr]    |     ^^ help: convert the identifier to snake case: `ve`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `VF` should have a snake case name
[INFO] [stderr]   --> src/main.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     VF: u8,
[INFO] [stderr]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `vf`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `I` should have a snake case name
[INFO] [stderr]   --> src/main.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     I: u16,
[INFO] [stderr]    |     ^ help: convert the identifier to snake case (notice the capitalization): `i`
[INFO] [stderr] 
[INFO] [stderr] warning: `chip8` (bin "chip8" test) generated 20 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chip8-8c716239ce1ae894)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7fbbde25456a6918c82b5e6b920bf41d736a8b8744b320dfe625e37c179c4fc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fbbde25456a6918c82b5e6b920bf41d736a8b8744b320dfe625e37c179c4fc3", kill_on_drop: false }`
[INFO] [stdout] 7fbbde25456a6918c82b5e6b920bf41d736a8b8744b320dfe625e37c179c4fc3