[INFO] cloning repository https://github.com/0xMainul/chip8_emu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0xMainul/chip8_emu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xMainul%2Fchip8_emu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xMainul%2Fchip8_emu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b7c2e7b2c6c8b29552c947b28f119ed4fa8aa0cf
[INFO] checking 0xMainul/chip8_emu against master#0028f344ce9f64766259577c998a1959ca1f6a0b for pr-153041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xMainul%2Fchip8_emu" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/0xMainul/chip8_emu
[INFO] finished tweaking git repo https://github.com/0xMainul/chip8_emu
[INFO] tweaked toml for git repo https://github.com/0xMainul/chip8_emu written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/0xMainul/chip8_emu on toolchain 0028f344ce9f64766259577c998a1959ca1f6a0b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0028f344ce9f64766259577c998a1959ca1f6a0b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/0xMainul/chip8_emu 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" "+0028f344ce9f64766259577c998a1959ca1f6a0b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+0028f344ce9f64766259577c998a1959ca1f6a0b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0cfd2436864c41358090b478b093e1ab246d5121c41460d8a9e258d3720f2a35
[INFO] running `Command { std: "docker" "start" "-a" "0cfd2436864c41358090b478b093e1ab246d5121c41460d8a9e258d3720f2a35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0cfd2436864c41358090b478b093e1ab246d5121c41460d8a9e258d3720f2a35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cfd2436864c41358090b478b093e1ab246d5121c41460d8a9e258d3720f2a35", kill_on_drop: false }`
[INFO] [stdout] 0cfd2436864c41358090b478b093e1ab246d5121c41460d8a9e258d3720f2a35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+0028f344ce9f64766259577c998a1959ca1f6a0b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17ea926f04180c8583a6ed089a6a6bf90d861e099ee29aaa893e017369b8e552
[INFO] running `Command { std: "docker" "start" "-a" "17ea926f04180c8583a6ed089a6a6bf90d861e099ee29aaa893e017369b8e552", kill_on_drop: false }`
[INFO] [stderr]     Checking chip8_emulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/chip8_emu/core/mod.rs:385:12
[INFO] [stdout]     |
[INFO] [stdout] 385 |         let (op, x, y, n) = Self::decode_nibbles(opcode);
[INFO] [stdout]     |                  ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/chip8_emu/core/mod.rs:385:15
[INFO] [stdout]     |
[INFO] [stdout] 385 |         let (op, x, y, n) = Self::decode_nibbles(opcode);
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/chip8_emu/core/mod.rs:385:18
[INFO] [stdout]     |
[INFO] [stdout] 385 |         let (op, x, y, n) = Self::decode_nibbles(opcode);
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/chip8_emu/core/mod.rs:385:12
[INFO] [stdout]     |
[INFO] [stdout] 385 |         let (op, x, y, n) = Self::decode_nibbles(opcode);
[INFO] [stdout]     |                  ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/chip8_emu/core/mod.rs:385:15
[INFO] [stdout]     |
[INFO] [stdout] 385 |         let (op, x, y, n) = Self::decode_nibbles(opcode);
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/chip8_emu/core/mod.rs:385:18
[INFO] [stdout]     |
[INFO] [stdout] 385 |         let (op, x, y, n) = Self::decode_nibbles(opcode);
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "17ea926f04180c8583a6ed089a6a6bf90d861e099ee29aaa893e017369b8e552", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17ea926f04180c8583a6ed089a6a6bf90d861e099ee29aaa893e017369b8e552", kill_on_drop: false }`
[INFO] [stdout] 17ea926f04180c8583a6ed089a6a6bf90d861e099ee29aaa893e017369b8e552
