[INFO] updating cached repository https://github.com/nnonchev/chip-8-emulator
[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] 8f329c8573857a2a15c86849421b6dfbbe6827b2
[INFO] testing nnonchev/chip-8-emulator against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnnonchev%2Fchip-8-emulator" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nnonchev/chip-8-emulator on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/nnonchev/chip-8-emulator
[INFO] finished tweaking git repo https://github.com/nnonchev/chip-8-emulator
[INFO] tweaked toml for git repo https://github.com/nnonchev/chip-8-emulator written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/nnonchev/chip-8-emulator already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 38d18f942dd614bc529bd6beddd04f4cea34f71e8f111b8d0a7942ce88309b64
[INFO] running `"docker" "start" "-a" "38d18f942dd614bc529bd6beddd04f4cea34f71e8f111b8d0a7942ce88309b64"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling chip_8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0425]: cannot find value `addr` in this scope
[INFO] [stderr]   --> src/main.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |             addr += (op3 as u16) << 0x04;
[INFO] [stderr]    |             ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `op3` in this scope
[INFO] [stderr]   --> src/main.rs:73:22
[INFO] [stderr]    |
[INFO] [stderr] 73 |             addr += (op3 as u16) << 0x04;
[INFO] [stderr]    |                      ^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `addr` in this scope
[INFO] [stderr]   --> src/main.rs:74:13
[INFO] [stderr]    |
[INFO] [stderr] 74 |             addr += op4 as u16;
[INFO] [stderr]    |             ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `op4` in this scope
[INFO] [stderr]   --> src/main.rs:74:21
[INFO] [stderr]    |
[INFO] [stderr] 74 |             addr += op4 as u16;
[INFO] [stderr]    |                     ^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `op4` in this scope
[INFO] [stderr]   --> src/main.rs:81:87
[INFO] [stderr]    |
[INFO] [stderr] 81 |             println!("op1: {:0x}, op2: {:0x}, op3: {:0x}, op4: {:0x}", op1, op2, op3, op4);
[INFO] [stderr]    |                                                                                       ^^^ help: a local variable with a similar name exists: `op1`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0425`.
[INFO] [stderr] error: could not compile `chip_8`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "38d18f942dd614bc529bd6beddd04f4cea34f71e8f111b8d0a7942ce88309b64"`
[INFO] running `"docker" "rm" "-f" "38d18f942dd614bc529bd6beddd04f4cea34f71e8f111b8d0a7942ce88309b64"`
[INFO] [stdout] 38d18f942dd614bc529bd6beddd04f4cea34f71e8f111b8d0a7942ce88309b64