[INFO] updating cached repository ceyhunsony/rustffitest
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ceyhunsony/rustffitest
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ceyhunsony/rustffitest" "work/ex/clippy-test-run/sources/stable/gh/ceyhunsony/rustffitest"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/ceyhunsony/rustffitest'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ceyhunsony/rustffitest" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/ceyhunsony/rustffitest"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/ceyhunsony/rustffitest'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 76879913d1fc51f82f732ffd6c1f2409c38233cf
[INFO] sha for GitHub repo ceyhunsony/rustffitest: 76879913d1fc51f82f732ffd6c1f2409c38233cf
[INFO] validating manifest of ceyhunsony/rustffitest 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 ceyhunsony/rustffitest 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 ceyhunsony/rustffitest
[INFO] finished frobbing ceyhunsony/rustffitest
[INFO] frobbed toml for ceyhunsony/rustffitest written to work/ex/clippy-test-run/sources/stable/gh/ceyhunsony/rustffitest/Cargo.toml
[INFO] started frobbing ceyhunsony/rustffitest
[INFO] finished frobbing ceyhunsony/rustffitest
[INFO] frobbed toml for ceyhunsony/rustffitest written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/ceyhunsony/rustffitest/Cargo.toml
[INFO] crate ceyhunsony/rustffitest 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 ceyhunsony/rustffitest 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-3/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/ceyhunsony/rustffitest:/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] d88b540f5f6aff291586ed3a9a93baf35f7e9b4b141683d165ceb143aef098a5
[INFO] running `"docker" "start" "-a" "d88b540f5f6aff291586ed3a9a93baf35f7e9b4b141683d165ceb143aef098a5"`
[INFO] [stderr]     Checking rustffitest v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]  --> src/lib.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 |       let input = input
[INFO] [stderr]   |  _________________^
[INFO] [stderr] 6 | |         .iter()
[INFO] [stderr] 7 | |         .take(len)
[INFO] [stderr] 8 | |         .map(|v| *v)
[INFO] [stderr]   | |____________________^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] help: Consider calling the dedicated `cloned` method
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let input = input
[INFO] [stderr] 6 |         .iter()
[INFO] [stderr] 7 |         .take(len).cloned()
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:10:39
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let output = input.iter().map(|v| *v as i32).sum();
[INFO] [stderr]    |                                       ^^^^^^^^^ help: try: `i32::from(*v)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]  --> src/lib.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 |       let input = input
[INFO] [stderr]   |  _________________^
[INFO] [stderr] 6 | |         .iter()
[INFO] [stderr] 7 | |         .take(len)
[INFO] [stderr] 8 | |         .map(|v| *v)
[INFO] [stderr]   | |____________________^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] help: Consider calling the dedicated `cloned` method
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let input = input
[INFO] [stderr] 6 |         .iter()
[INFO] [stderr] 7 |         .take(len).cloned()
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:10:39
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let output = input.iter().map(|v| *v as i32).sum();
[INFO] [stderr]    |                                       ^^^^^^^^^ help: try: `i32::from(*v)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `"docker" "inspect" "d88b540f5f6aff291586ed3a9a93baf35f7e9b4b141683d165ceb143aef098a5"`
[INFO] running `"docker" "rm" "-f" "d88b540f5f6aff291586ed3a9a93baf35f7e9b4b141683d165ceb143aef098a5"`
[INFO] [stdout] d88b540f5f6aff291586ed3a9a93baf35f7e9b4b141683d165ceb143aef098a5