[INFO] cloning repository https://github.com/issammani/byte-me
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/issammani/byte-me" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fissammani%2Fbyte-me", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fissammani%2Fbyte-me'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 23fe3478310b32e38f9953c95153c679d8ebbe65
[INFO] checking issammani/byte-me against master#d14d202262d13df896b0c624b0cec6e4bfde631a for pr-143028
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fissammani%2Fbyte-me" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/issammani/byte-me
[INFO] finished tweaking git repo https://github.com/issammani/byte-me
[INFO] tweaked toml for git repo https://github.com/issammani/byte-me written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/issammani/byte-me on toolchain d14d202262d13df896b0c624b0cec6e4bfde631a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d14d202262d13df896b0c624b0cec6e4bfde631a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/issammani/byte-me 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" "+d14d202262d13df896b0c624b0cec6e4bfde631a" "fetch" "--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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+d14d202262d13df896b0c624b0cec6e4bfde631a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c58e502918d750561b2b1c4af8efc113a7b86f20f8fa20c3f079f3e46ac129eb
[INFO] running `Command { std: "docker" "start" "-a" "c58e502918d750561b2b1c4af8efc113a7b86f20f8fa20c3f079f3e46ac129eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c58e502918d750561b2b1c4af8efc113a7b86f20f8fa20c3f079f3e46ac129eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c58e502918d750561b2b1c4af8efc113a7b86f20f8fa20c3f079f3e46ac129eb", kill_on_drop: false }`
[INFO] [stdout] c58e502918d750561b2b1c4af8efc113a7b86f20f8fa20c3f079f3e46ac129eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+d14d202262d13df896b0c624b0cec6e4bfde631a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1c2cf71dfa9efce159805553e35dc362c6a9379744abe9b2fb3d5b4427c5f2e
[INFO] running `Command { std: "docker" "start" "-a" "b1c2cf71dfa9efce159805553e35dc362c6a9379744abe9b2fb3d5b4427c5f2e", kill_on_drop: false }`
[INFO] [stderr]     Checking byte-me v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Address` is never constructed
[INFO] [stdout]  --> src/lib.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Address(u16);
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Byte` is never constructed
[INFO] [stdout]  --> src/lib.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Byte(u8);
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Word` is never constructed
[INFO] [stdout]   --> src/lib.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Word(u16);
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MEMORY_SIZE` is never used
[INFO] [stdout]   --> src/lib.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const MEMORY_SIZE: usize = 4 * 1024; // 4kb of memory
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `REGISTERS_COUNT` is never used
[INFO] [stdout]   --> src/lib.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const REGISTERS_COUNT: usize = 6; // Count of cpu registers
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `STACK_SIZE` is never used
[INFO] [stdout]   --> src/lib.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | const STACK_SIZE: usize = 16; // Number of levels in the call stack
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DISPLAY_SIZE` is never used
[INFO] [stdout]   --> src/lib.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | const DISPLAY_SIZE: (usize, usize) = (64, 32); // Display size as a tuple (w, h)
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `KEY_COUNT` is never used
[INFO] [stdout]   --> src/lib.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | const KEY_COUNT: usize = 16; // Count of input keys
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Chip8` is never constructed
[INFO] [stdout]   --> src/lib.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Chip8 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/lib.rs:28:6
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Chip8 {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 28 |   fn new() -> Self {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Address` is never constructed
[INFO] [stdout]  --> src/lib.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Address(u16);
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Word` is never constructed
[INFO] [stdout]   --> src/lib.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Word(u16);
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `REGISTERS_COUNT` is never used
[INFO] [stdout]   --> src/lib.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const REGISTERS_COUNT: usize = 6; // Count of cpu registers
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `STACK_SIZE` is never used
[INFO] [stdout]   --> src/lib.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | const STACK_SIZE: usize = 16; // Number of levels in the call stack
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DISPLAY_SIZE` is never used
[INFO] [stdout]   --> src/lib.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | const DISPLAY_SIZE: (usize, usize) = (64, 32); // Display size as a tuple (w, h)
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `KEY_COUNT` is never used
[INFO] [stdout]   --> src/lib.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | const KEY_COUNT: usize = 16; // Count of input keys
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "b1c2cf71dfa9efce159805553e35dc362c6a9379744abe9b2fb3d5b4427c5f2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1c2cf71dfa9efce159805553e35dc362c6a9379744abe9b2fb3d5b4427c5f2e", kill_on_drop: false }`
[INFO] [stdout] b1c2cf71dfa9efce159805553e35dc362c6a9379744abe9b2fb3d5b4427c5f2e