[INFO] cloning repository https://github.com/nnonchev/chip-8-emulator
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nnonchev/chip-8-emulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnnonchev%2Fchip-8-emulator"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnnonchev%2Fchip-8-emulator'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8f329c8573857a2a15c86849421b6dfbbe6827b2
[INFO] checking nnonchev/chip-8-emulator against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnnonchev%2Fchip-8-emulator" "/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/nnonchev/chip-8-emulator on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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-8/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b2a26de8bfe91db9d8e542f26a70187224a7320c99c8288096cf458bb8ec5c2c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "b2a26de8bfe91db9d8e542f26a70187224a7320c99c8288096cf458bb8ec5c2c"`
[INFO] [stderr]     Checking 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[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] [stderr] warning: build failed, waiting for other jobs to finish...
[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" "b2a26de8bfe91db9d8e542f26a70187224a7320c99c8288096cf458bb8ec5c2c"`
[INFO] running `"docker" "rm" "-f" "b2a26de8bfe91db9d8e542f26a70187224a7320c99c8288096cf458bb8ec5c2c"`
[INFO] [stdout] b2a26de8bfe91db9d8e542f26a70187224a7320c99c8288096cf458bb8ec5c2c