[INFO] cloning repository https://github.com/Mxrk/chip8-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mxrk/chip8-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMxrk%2Fchip8-rust"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMxrk%2Fchip8-rust'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 49b1610f3e64b9762ddfc4708d9b2e3b46e7bee5
[INFO] checking Mxrk/chip8-rust against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMxrk%2Fchip8-rust" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Mxrk/chip8-rust on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Mxrk/chip8-rust
[INFO] finished tweaking git repo https://github.com/Mxrk/chip8-rust
[INFO] tweaked toml for git repo https://github.com/Mxrk/chip8-rust written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Mxrk/chip8-rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7a8ca30021c8254fcfc8a4994fbe82b79069822fac45267ac5648826aed7642c
[INFO] running `"docker" "start" "-a" "7a8ca30021c8254fcfc8a4994fbe82b79069822fac45267ac5648826aed7642c"`
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling sdl2 v0.32.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling sdl2-sys v0.32.6
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking getrandom v0.1.12
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_pcg v0.1.2
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking num-iter v0.1.39
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `now`
[INFO] [stderr]   --> src/main.rs:50:13
[INFO] [stderr]    |
[INFO] [stderr] 50 |         let now = time::Instant::now();
[INFO] [stderr]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cpu`
[INFO] [stderr]   --> src/input.rs:17:44
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn handle_key_up(keycode: Keycode, cpu: &mut Chip8) {
[INFO] [stderr]    |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]    --> src/chip8.rs:413:7
[INFO] [stderr]     |
[INFO] [stderr] 413 |   use super::*;
[INFO] [stderr]     |       ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `now`
[INFO] [stderr]   --> src/main.rs:50:13
[INFO] [stderr]    |
[INFO] [stderr] 50 |         let now = time::Instant::now();
[INFO] [stderr]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cpu`
[INFO] [stderr]   --> src/input.rs:17:44
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn handle_key_up(keycode: Keycode, cpu: &mut Chip8) {
[INFO] [stderr]    |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.46s
[INFO] running `"docker" "inspect" "7a8ca30021c8254fcfc8a4994fbe82b79069822fac45267ac5648826aed7642c"`
[INFO] running `"docker" "rm" "-f" "7a8ca30021c8254fcfc8a4994fbe82b79069822fac45267ac5648826aed7642c"`
[INFO] [stdout] 7a8ca30021c8254fcfc8a4994fbe82b79069822fac45267ac5648826aed7642c