[INFO] updating cached repository https://github.com/666666t/nes-rs
[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] 4c59ee56854701c0a6eb42b8f913363330035eac
[INFO] checking 666666t/nes-rs against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F666666t%2Fnes-rs" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/666666t/nes-rs 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/666666t/nes-rs
[INFO] finished tweaking git repo https://github.com/666666t/nes-rs
[INFO] tweaked toml for git repo https://github.com/666666t/nes-rs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/666666t/nes-rs 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d89b1b4ca4651f59598e59ccad604e56cd5f92a0de57eb175d6cbd9c8ec51f97
[INFO] running `"docker" "start" "-a" "d89b1b4ca4651f59598e59ccad604e56cd5f92a0de57eb175d6cbd9c8ec51f97"`
[INFO] [stderr]     Checking rs-nes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/cpu.rs:41:13
[INFO] [stderr]    |
[INFO] [stderr] 41 |         for i in 0..mem_map.len() { 
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/cpu.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn new() -> Cpu {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `load_mem`
[INFO] [stderr]   --> src/cpu.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn load_mem(&mut self, rom_file: &mut Rom) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/cpu.rs:41:13
[INFO] [stderr]    |
[INFO] [stderr] 41 |         for i in 0..mem_map.len() { 
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/cpu.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn new() -> Cpu {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `load_mem`
[INFO] [stderr]   --> src/cpu.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn load_mem(&mut self, rom_file: &mut Rom) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `"docker" "inspect" "d89b1b4ca4651f59598e59ccad604e56cd5f92a0de57eb175d6cbd9c8ec51f97"`
[INFO] running `"docker" "rm" "-f" "d89b1b4ca4651f59598e59ccad604e56cd5f92a0de57eb175d6cbd9c8ec51f97"`
[INFO] [stdout] d89b1b4ca4651f59598e59ccad604e56cd5f92a0de57eb175d6cbd9c8ec51f97