[INFO] cloning repository https://github.com/Czebosak/chip8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Czebosak/chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCzebosak%2Fchip8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCzebosak%2Fchip8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 85e6b094fe0f71aaeb7798955345d356ef5d5e5c
[INFO] checking Czebosak/chip8 against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCzebosak%2Fchip8" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Czebosak/chip8
[INFO] finished tweaking git repo https://github.com/Czebosak/chip8
[INFO] tweaked toml for git repo https://github.com/Czebosak/chip8 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Czebosak/chip8 on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Czebosak/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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6ab05995a7bf242563c08655d63db63f0cc2352f0cdad4dc6838faf98cc8bd0
[INFO] running `Command { std: "docker" "start" "-a" "a6ab05995a7bf242563c08655d63db63f0cc2352f0cdad4dc6838faf98cc8bd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6ab05995a7bf242563c08655d63db63f0cc2352f0cdad4dc6838faf98cc8bd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6ab05995a7bf242563c08655d63db63f0cc2352f0cdad4dc6838faf98cc8bd0", kill_on_drop: false }`
[INFO] [stdout] a6ab05995a7bf242563c08655d63db63f0cc2352f0cdad4dc6838faf98cc8bd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4c555615a5956bfaf53c44559092a61e2f1a648754c8392d43ddb8436954756
[INFO] running `Command { std: "docker" "start" "-a" "c4c555615a5956bfaf53c44559092a61e2f1a648754c8392d43ddb8436954756", kill_on_drop: false }`
[INFO] [stderr]     Checking chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | /     loop {
[INFO] [stdout] 41 | |         let instruction_binary: u16 = {
[INFO] [stdout] 42 | |             let pc = context.registers.pc as usize;
[INFO] [stdout] 43 | |             u16::from_le_bytes([program_memory[pc], program_memory[pc + 1]])
[INFO] [stdout] ...  |
[INFO] [stdout] 46 | |         let instruction: Instruction;
[INFO] [stdout] 47 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 48 |
[INFO] [stdout] 49 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `instruction_binary`
[INFO] [stdout]   --> src/main.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let instruction_binary: u16 = {
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_instruction_binary`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `instruction`
[INFO] [stdout]   --> src/main.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let instruction: Instruction;
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_instruction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `v`, `i`, `delay_timer`, and `sound_timer` are never read
[INFO] [stdout]  --> src/context.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Registers {
[INFO] [stdout]   |            --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 5 |     pub v: [u8; 16],
[INFO] [stdout]   |         ^
[INFO] [stdout] 6 |     pub i: u16,
[INFO] [stdout]   |         ^
[INFO] [stdout] 7 |
[INFO] [stdout] 8 |     pub delay_timer: u8,
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout] 9 |     pub sound_timer: u8,
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Byte` is never constructed
[INFO] [stdout]  --> src/instruction.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum InstructionParameter {
[INFO] [stdout]   |      -------------------- variant in this enum
[INFO] [stdout] 5 |     Nibble { data: u8, constant: bool },
[INFO] [stdout] 6 |     Byte { data: u8, constant: bool },
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | /     loop {
[INFO] [stdout] 41 | |         let instruction_binary: u16 = {
[INFO] [stdout] 42 | |             let pc = context.registers.pc as usize;
[INFO] [stdout] 43 | |             u16::from_le_bytes([program_memory[pc], program_memory[pc + 1]])
[INFO] [stdout] ...  |
[INFO] [stdout] 46 | |         let instruction: Instruction;
[INFO] [stdout] 47 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 48 |
[INFO] [stdout] 49 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `instruction_binary`
[INFO] [stdout]   --> src/main.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let instruction_binary: u16 = {
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_instruction_binary`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `instruction`
[INFO] [stdout]   --> src/main.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let instruction: Instruction;
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_instruction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `v`, `i`, `delay_timer`, and `sound_timer` are never read
[INFO] [stdout]  --> src/context.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Registers {
[INFO] [stdout]   |            --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 5 |     pub v: [u8; 16],
[INFO] [stdout]   |         ^
[INFO] [stdout] 6 |     pub i: u16,
[INFO] [stdout]   |         ^
[INFO] [stdout] 7 |
[INFO] [stdout] 8 |     pub delay_timer: u8,
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout] 9 |     pub sound_timer: u8,
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Byte` is never constructed
[INFO] [stdout]  --> src/instruction.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum InstructionParameter {
[INFO] [stdout]   |      -------------------- variant in this enum
[INFO] [stdout] 5 |     Nibble { data: u8, constant: bool },
[INFO] [stdout] 6 |     Byte { data: u8, constant: bool },
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "c4c555615a5956bfaf53c44559092a61e2f1a648754c8392d43ddb8436954756", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4c555615a5956bfaf53c44559092a61e2f1a648754c8392d43ddb8436954756", kill_on_drop: false }`
[INFO] [stdout] c4c555615a5956bfaf53c44559092a61e2f1a648754c8392d43ddb8436954756
