[INFO] cloning repository https://github.com/K-C-DaCosta/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/K-C-DaCosta/Chip8-emu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FK-C-DaCosta%2FChip8-emu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FK-C-DaCosta%2FChip8-emu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 903a289b3df0d40e7cf3d0f7a4a0b6b3727cd6af
[INFO] checking K-C-DaCosta/Chip8-emu against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FK-C-DaCosta%2FChip8-emu" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/K-C-DaCosta/Chip8-emu
[INFO] finished tweaking git repo https://github.com/K-C-DaCosta/Chip8-emu
[INFO] tweaked toml for git repo https://github.com/K-C-DaCosta/Chip8-emu written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/K-C-DaCosta/Chip8-emu on toolchain 66388cc165a6c4ac98c074dc9f0281ff23528c55
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/K-C-DaCosta/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" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fbb207fede3e744280a7707bb46c193c8ada1991cd453a6f76c64e6a8e589795
[INFO] running `Command { std: "docker" "start" "-a" "fbb207fede3e744280a7707bb46c193c8ada1991cd453a6f76c64e6a8e589795", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbb207fede3e744280a7707bb46c193c8ada1991cd453a6f76c64e6a8e589795", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbb207fede3e744280a7707bb46c193c8ada1991cd453a6f76c64e6a8e589795", kill_on_drop: false }`
[INFO] [stdout] fbb207fede3e744280a7707bb46c193c8ada1991cd453a6f76c64e6a8e589795
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80e201b62ee5bf2bb057204f5817d5d3bff8a8ffe56463068843aa7fb1221e65
[INFO] running `Command { std: "docker" "start" "-a" "80e201b62ee5bf2bb057204f5817d5d3bff8a8ffe56463068843aa7fb1221e65", kill_on_drop: false }`
[INFO] [stderr]     Checking chip8-emu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `opcode`
[INFO] [stdout]   --> src/cpu.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let opcode = Self::decode_opcode(self.get_opcode());
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/cpu.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout]  3 | pub struct Cpu {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout]  4 |     memory: [u8; 4096],
[INFO] [stdout]  5 |     registers: [u8; 16],
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]  6 |     index_register: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]  7 |     stack_pointer: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]  8 |     stack: [u8; 64],
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]  9 |     delay_timer: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 10 |     sound_timer: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 11 |     program_counter: u16,
[INFO] [stdout] 12 |     frame_buffer: FrameBuffer,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opcode`
[INFO] [stdout]   --> src/cpu.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let opcode = Self::decode_opcode(self.get_opcode());
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/cpu.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout]  3 | pub struct Cpu {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout]  4 |     memory: [u8; 4096],
[INFO] [stdout]  5 |     registers: [u8; 16],
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]  6 |     index_register: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]  7 |     stack_pointer: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]  8 |     stack: [u8; 64],
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]  9 |     delay_timer: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 10 |     sound_timer: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 11 |     program_counter: u16,
[INFO] [stdout] 12 |     frame_buffer: FrameBuffer,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chip8_emu::*`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use chip8_emu::*; 
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chip8_emu::*`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use chip8_emu::*; 
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "80e201b62ee5bf2bb057204f5817d5d3bff8a8ffe56463068843aa7fb1221e65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80e201b62ee5bf2bb057204f5817d5d3bff8a8ffe56463068843aa7fb1221e65", kill_on_drop: false }`
[INFO] [stdout] 80e201b62ee5bf2bb057204f5817d5d3bff8a8ffe56463068843aa7fb1221e65