[INFO] updating cached repository https://github.com/mahimahi42/chip8
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ddcc343350edc312dd72c7f281d208571307a1ae
[INFO] checking mahimahi42/chip8 against try#d27c6c6a469a28343396a8f3ac1c9d403aabda69 for pr-66037
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmahimahi42%2Fchip8" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mahimahi42/chip8 on toolchain d27c6c6a469a28343396a8f3ac1c9d403aabda69
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mahimahi42/chip8
[INFO] finished tweaking git repo https://github.com/mahimahi42/chip8
[INFO] tweaked toml for git repo https://github.com/mahimahi42/chip8 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/mahimahi42/chip8 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "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] 0eb725749bd0e214563639754996d61bfa487cbda3b45441217df38d723699e5
[INFO] running `"docker" "start" "-a" "0eb725749bd0e214563639754996d61bfa487cbda3b45441217df38d723699e5"`
[INFO] [stderr]    Compiling sdl2 v0.32.2
[INFO] [stderr]     Checking c_vec v1.3.3
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling sdl2-sys v0.32.6
[INFO] [stderr]     Checking rand_pcg v0.1.2
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand v0.6.5
[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: `opcode`
[INFO] [stderr]    --> src/chip8cpu.rs:291:30
[INFO] [stderr]     |
[INFO] [stderr] 291 |     fn opcode_0xE(&mut self, opcode: Opcode) {
[INFO] [stderr]     |                              ^^^^^^ help: consider prefixing with an underscore: `_opcode`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `opcode_0xE`
[INFO] [stderr]    --> src/chip8cpu.rs:291:5
[INFO] [stderr]     |
[INFO] [stderr] 291 |     fn opcode_0xE(&mut self, opcode: Opcode) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `opcode`
[INFO] [stderr]    --> src/chip8cpu.rs:291:30
[INFO] [stderr]     |
[INFO] [stderr] 291 |     fn opcode_0xE(&mut self, opcode: Opcode) {
[INFO] [stderr]     |                              ^^^^^^ help: consider prefixing with an underscore: `_opcode`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `opcode_0xE`
[INFO] [stderr]    --> src/chip8cpu.rs:291:5
[INFO] [stderr]     |
[INFO] [stderr] 291 |     fn opcode_0xE(&mut self, opcode: Opcode) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.44s
[INFO] running `"docker" "inspect" "0eb725749bd0e214563639754996d61bfa487cbda3b45441217df38d723699e5"`
[INFO] running `"docker" "rm" "-f" "0eb725749bd0e214563639754996d61bfa487cbda3b45441217df38d723699e5"`
[INFO] [stdout] 0eb725749bd0e214563639754996d61bfa487cbda3b45441217df38d723699e5