[INFO] updating cached repository Litecrafty/Hexeract
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Litecrafty/Hexeract
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Litecrafty/Hexeract" "work/ex/clippy-test-run/sources/stable/gh/Litecrafty/Hexeract"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/Litecrafty/Hexeract'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Litecrafty/Hexeract" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Litecrafty/Hexeract"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Litecrafty/Hexeract'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 72d9f58e2884542239e29973f76565e4a68d25ee
[INFO] sha for GitHub repo Litecrafty/Hexeract: 72d9f58e2884542239e29973f76565e4a68d25ee
[INFO] validating manifest of Litecrafty/Hexeract 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 Litecrafty/Hexeract 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 Litecrafty/Hexeract
[INFO] finished frobbing Litecrafty/Hexeract
[INFO] frobbed toml for Litecrafty/Hexeract written to work/ex/clippy-test-run/sources/stable/gh/Litecrafty/Hexeract/Cargo.toml
[INFO] started frobbing Litecrafty/Hexeract
[INFO] finished frobbing Litecrafty/Hexeract
[INFO] frobbed toml for Litecrafty/Hexeract written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Litecrafty/Hexeract/Cargo.toml
[INFO] crate Litecrafty/Hexeract 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 Litecrafty/Hexeract against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Litecrafty/Hexeract:/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 -Dclippy::into_iter_on_array" "-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] b02e23f2836628e61f29861079d0085a7f16895b2d4b7d12b1a8b5de84e25866
[INFO] running `"docker" "start" "-a" "b02e23f2836628e61f29861079d0085a7f16895b2d4b7d12b1a8b5de84e25866"`
[INFO] [stderr]     Checking hexeract v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: enum is never used: `Biome`
[INFO] [stderr]   --> src/core/biome.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub enum Biome {
[INFO] [stderr]    | ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `id`
[INFO] [stderr]   --> src/core/biome.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     pub fn id(&self) -> u8 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Chunk`
[INFO] [stderr]   --> src/core/chunk.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub struct Chunk {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/core/biome.rs:174:27
[INFO] [stderr]     |
[INFO] [stderr] 174 |             Custom(id) => id.clone(),
[INFO] [stderr]     |                           ^^^^^^^^^^ help: try dereferencing it: `*id`
[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: enum is never used: `Biome`
[INFO] [stderr]   --> src/core/biome.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub enum Biome {
[INFO] [stderr]    | ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `id`
[INFO] [stderr]   --> src/core/biome.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     pub fn id(&self) -> u8 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Chunk`
[INFO] [stderr]   --> src/core/chunk.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub struct Chunk {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/core/biome.rs:174:27
[INFO] [stderr]     |
[INFO] [stderr] 174 |             Custom(id) => id.clone(),
[INFO] [stderr]     |                           ^^^^^^^^^^ help: try dereferencing it: `*id`
[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 0.34s
[INFO] running `"docker" "inspect" "b02e23f2836628e61f29861079d0085a7f16895b2d4b7d12b1a8b5de84e25866"`
[INFO] running `"docker" "rm" "-f" "b02e23f2836628e61f29861079d0085a7f16895b2d4b7d12b1a8b5de84e25866"`
[INFO] [stdout] b02e23f2836628e61f29861079d0085a7f16895b2d4b7d12b1a8b5de84e25866