[INFO] cloning repository https://github.com/Laaxus/chip8-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Laaxus/chip8-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLaaxus%2Fchip8-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLaaxus%2Fchip8-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2870e7eca7de2f452586116dc03106d4e1ad98ac
[INFO] checking Laaxus/chip8-rust against try#1f308f12738d8cc40bb23bf0c8114b37c164bb49 for pr-137268
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLaaxus%2Fchip8-rust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Laaxus/chip8-rust on toolchain 1f308f12738d8cc40bb23bf0c8114b37c164bb49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f308f12738d8cc40bb23bf0c8114b37c164bb49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Laaxus/chip8-rust
[INFO] finished tweaking git repo https://github.com/Laaxus/chip8-rust
[INFO] tweaked toml for git repo https://github.com/Laaxus/chip8-rust written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Laaxus/chip8-rust 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" "+1f308f12738d8cc40bb23bf0c8114b37c164bb49" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking Laaxus/chip8-rust against try#1f308f12738d8cc40bb23bf0c8114b37c164bb49 for pr-137268
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLaaxus%2Fchip8-rust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Laaxus/chip8-rust on toolchain 1f308f12738d8cc40bb23bf0c8114b37c164bb49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f308f12738d8cc40bb23bf0c8114b37c164bb49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Laaxus/chip8-rust
[INFO] finished tweaking git repo https://github.com/Laaxus/chip8-rust
[INFO] tweaked toml for git repo https://github.com/Laaxus/chip8-rust written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Laaxus/chip8-rust 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" "+1f308f12738d8cc40bb23bf0c8114b37c164bb49" "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-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1f308f12738d8cc40bb23bf0c8114b37c164bb49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e56484b62397e4317523927c705363c6f5e235269f3a4d55aa0f6b4a4bf7a474
[INFO] running `Command { std: "docker" "start" "-a" "e56484b62397e4317523927c705363c6f5e235269f3a4d55aa0f6b4a4bf7a474", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e56484b62397e4317523927c705363c6f5e235269f3a4d55aa0f6b4a4bf7a474", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e56484b62397e4317523927c705363c6f5e235269f3a4d55aa0f6b4a4bf7a474", kill_on_drop: false }`
[INFO] [stdout] e56484b62397e4317523927c705363c6f5e235269f3a4d55aa0f6b4a4bf7a474
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1f308f12738d8cc40bb23bf0c8114b37c164bb49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b8ace6d0d7107f42b9c02ce81e2c3454ee889b4e4f196c7e5e4cbba6899e674
[INFO] running `Command { std: "docker" "start" "-a" "3b8ace6d0d7107f42b9c02ce81e2c3454ee889b4e4f196c7e5e4cbba6899e674", kill_on_drop: false }`
[INFO] [stderr]     Checking chip8-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `RAM_SIZE` is never used
[INFO] [stdout]  --> src/emulator.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | const RAM_SIZE:usize = 4096;
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `STACK_SIZE` is never used
[INFO] [stdout]  --> src/emulator.rs:2:7
[INFO] [stdout]   |
[INFO] [stdout] 2 | const STACK_SIZE:usize = 16;
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SCREEN_WIDTH` is never used
[INFO] [stdout]  --> src/emulator.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const SCREEN_WIDTH:usize = 64;
[INFO] [stdout]   |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SCREEN_HEIGHT` is never used
[INFO] [stdout]  --> src/emulator.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const SCREEN_HEIGHT:usize = 32;
[INFO] [stdout]   |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NUM_REGISTER` is never used
[INFO] [stdout]  --> src/emulator.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const NUM_REGISTER:usize = 16;
[INFO] [stdout]   |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FONT_SIZE` is never used
[INFO] [stdout]  --> src/emulator.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const FONT_SIZE:usize = 80;
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NUM_KEYS` is never used
[INFO] [stdout]  --> src/emulator.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const NUM_KEYS:usize = 16;
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FONT` is never used
[INFO] [stdout]   --> src/emulator.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const FONT: [u8; FONT_SIZE] = [
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Chip8` is never constructed
[INFO] [stdout]   --> src/emulator.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct Chip8 {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RAM_SIZE` is never used
[INFO] [stdout]  --> src/emulator.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | const RAM_SIZE:usize = 4096;
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `STACK_SIZE` is never used
[INFO] [stdout]  --> src/emulator.rs:2:7
[INFO] [stdout]   |
[INFO] [stdout] 2 | const STACK_SIZE:usize = 16;
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SCREEN_WIDTH` is never used
[INFO] [stdout]  --> src/emulator.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const SCREEN_WIDTH:usize = 64;
[INFO] [stdout]   |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SCREEN_HEIGHT` is never used
[INFO] [stdout]  --> src/emulator.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const SCREEN_HEIGHT:usize = 32;
[INFO] [stdout]   |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NUM_REGISTER` is never used
[INFO] [stdout]  --> src/emulator.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const NUM_REGISTER:usize = 16;
[INFO] [stdout]   |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FONT_SIZE` is never used
[INFO] [stdout]  --> src/emulator.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const FONT_SIZE:usize = 80;
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NUM_KEYS` is never used
[INFO] [stdout]  --> src/emulator.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const NUM_KEYS:usize = 16;
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FONT` is never used
[INFO] [stdout]   --> src/emulator.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const FONT: [u8; FONT_SIZE] = [
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Chip8` is never constructed
[INFO] [stdout]   --> src/emulator.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct Chip8 {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] running `Command { std: "docker" "inspect" "3b8ace6d0d7107f42b9c02ce81e2c3454ee889b4e4f196c7e5e4cbba6899e674", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b8ace6d0d7107f42b9c02ce81e2c3454ee889b4e4f196c7e5e4cbba6899e674", kill_on_drop: false }`
[INFO] [stdout] 3b8ace6d0d7107f42b9c02ce81e2c3454ee889b4e4f196c7e5e4cbba6899e674