[INFO] updating cached repository jairoandre/rustsnes
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jairoandre/rustsnes
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jairoandre/rustsnes" "work/ex/clippy-test-run/sources/stable/gh/jairoandre/rustsnes"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/jairoandre/rustsnes'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jairoandre/rustsnes" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jairoandre/rustsnes"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jairoandre/rustsnes'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ef36e13b007e7def4bcb6de97e311b596847fbe7
[INFO] sha for GitHub repo jairoandre/rustsnes: ef36e13b007e7def4bcb6de97e311b596847fbe7
[INFO] validating manifest of jairoandre/rustsnes on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jairoandre/rustsnes on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jairoandre/rustsnes
[INFO] finished frobbing jairoandre/rustsnes
[INFO] frobbed toml for jairoandre/rustsnes written to work/ex/clippy-test-run/sources/stable/gh/jairoandre/rustsnes/Cargo.toml
[INFO] started frobbing jairoandre/rustsnes
[INFO] finished frobbing jairoandre/rustsnes
[INFO] frobbed toml for jairoandre/rustsnes written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jairoandre/rustsnes/Cargo.toml
[INFO] crate jairoandre/rustsnes has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting jairoandre/rustsnes against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/jairoandre/rustsnes:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 231d5895addab8efec13f0a9d662ec47bd12f8d18fe88cf1bbab8c1dabb5f61e
[INFO] running `"docker" "start" "-a" "231d5895addab8efec13f0a9d662ec47bd12f8d18fe88cf1bbab8c1dabb5f61e"`
[INFO] [stderr]     Checking rustsnes v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `file_buf`
[INFO] [stderr]   --> src/main.rs:12:7
[INFO] [stderr]    |
[INFO] [stderr] 12 |   let file_buf = file_buf;
[INFO] [stderr]    |       ^^^^^^^^ help: consider using `_file_buf` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file_buf`
[INFO] [stderr]   --> src/main.rs:12:7
[INFO] [stderr]    |
[INFO] [stderr] 12 |   let file_buf = file_buf;
[INFO] [stderr]    |       ^^^^^^^^ help: consider using `_file_buf` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `"docker" "inspect" "231d5895addab8efec13f0a9d662ec47bd12f8d18fe88cf1bbab8c1dabb5f61e"`
[INFO] running `"docker" "rm" "-f" "231d5895addab8efec13f0a9d662ec47bd12f8d18fe88cf1bbab8c1dabb5f61e"`
[INFO] [stdout] 231d5895addab8efec13f0a9d662ec47bd12f8d18fe88cf1bbab8c1dabb5f61e