[INFO] updating cached repository noxecane/codechef
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/noxecane/codechef
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/noxecane/codechef" "work/ex/clippy-test-run/sources/stable/gh/noxecane/codechef"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/noxecane/codechef'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/noxecane/codechef" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/noxecane/codechef"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/noxecane/codechef'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 68d5f62ec241f10e36471f520585f0da990ae5c6
[INFO] sha for GitHub repo noxecane/codechef: 68d5f62ec241f10e36471f520585f0da990ae5c6
[INFO] validating manifest of noxecane/codechef 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 noxecane/codechef 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 noxecane/codechef
[INFO] finished frobbing noxecane/codechef
[INFO] frobbed toml for noxecane/codechef written to work/ex/clippy-test-run/sources/stable/gh/noxecane/codechef/Cargo.toml
[INFO] started frobbing noxecane/codechef
[INFO] finished frobbing noxecane/codechef
[INFO] frobbed toml for noxecane/codechef written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/noxecane/codechef/Cargo.toml
[INFO] crate noxecane/codechef 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 noxecane/codechef against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/noxecane/codechef:/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] cd56dd21571a6974914b937bdab9abe71bbf5785ddb1611b477f132a2f3e3af7
[INFO] running `"docker" "start" "-a" "cd56dd21571a6974914b937bdab9abe71bbf5785ddb1611b477f132a2f3e3af7"`
[INFO] [stderr]     Checking codechef v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `grid`
[INFO] [stderr]  --> src/main.rs:3:13
[INFO] [stderr]   |
[INFO] [stderr] 3 |     let mut grid = GRID_1.clone();
[INFO] [stderr]   |             ^^^^ help: consider using `_grid` instead
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `grid`
[INFO] [stderr]  --> src/main.rs:3:13
[INFO] [stderr]   |
[INFO] [stderr] 3 |     let mut grid = GRID_1.clone();
[INFO] [stderr]   |             ^^^^ help: consider using `_grid` instead
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/main.rs:3:9
[INFO] [stderr]   |
[INFO] [stderr] 3 |     let mut grid = GRID_1.clone();
[INFO] [stderr]   |         ----^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_at_correct_position`
[INFO] [stderr]  --> src/main.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn is_at_correct_position() {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/main.rs:3:9
[INFO] [stderr]   |
[INFO] [stderr] 3 |     let mut grid = GRID_1.clone();
[INFO] [stderr]   |         ----^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]  --> src/main.rs:3:20
[INFO] [stderr]   |
[INFO] [stderr] 3 |     let mut grid = GRID_1.clone();
[INFO] [stderr]   |                    ^^^^^^^^^^^^^^ help: try removing the `clone` call: `GRID_1`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_at_correct_position`
[INFO] [stderr]  --> src/main.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn is_at_correct_position() {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]  --> src/main.rs:3:20
[INFO] [stderr]   |
[INFO] [stderr] 3 |     let mut grid = GRID_1.clone();
[INFO] [stderr]   |                    ^^^^^^^^^^^^^^ help: try removing the `clone` call: `GRID_1`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `"docker" "inspect" "cd56dd21571a6974914b937bdab9abe71bbf5785ddb1611b477f132a2f3e3af7"`
[INFO] running `"docker" "rm" "-f" "cd56dd21571a6974914b937bdab9abe71bbf5785ddb1611b477f132a2f3e3af7"`
[INFO] [stdout] cd56dd21571a6974914b937bdab9abe71bbf5785ddb1611b477f132a2f3e3af7