[INFO] updating cached repository RainNapper/space_text
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/RainNapper/space_text
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/RainNapper/space_text" "work/ex/clippy-test-run/sources/stable/gh/RainNapper/space_text"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/RainNapper/space_text'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/RainNapper/space_text" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/RainNapper/space_text"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/RainNapper/space_text'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 435410fa53dd4ac0ea525f2480e4a9507f027e12
[INFO] sha for GitHub repo RainNapper/space_text: 435410fa53dd4ac0ea525f2480e4a9507f027e12
[INFO] validating manifest of RainNapper/space_text 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 RainNapper/space_text 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 RainNapper/space_text
[INFO] finished frobbing RainNapper/space_text
[INFO] frobbed toml for RainNapper/space_text written to work/ex/clippy-test-run/sources/stable/gh/RainNapper/space_text/Cargo.toml
[INFO] started frobbing RainNapper/space_text
[INFO] finished frobbing RainNapper/space_text
[INFO] frobbed toml for RainNapper/space_text written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/RainNapper/space_text/Cargo.toml
[INFO] crate RainNapper/space_text 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 RainNapper/space_text against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/RainNapper/space_text:/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] c9cf2528bca87d29b29decadbb12bfcc3417b81cfa3fcd3c6fa923a4f31b036f
[INFO] running `"docker" "start" "-a" "c9cf2528bca87d29b29decadbb12bfcc3417b81cfa3fcd3c6fa923a4f31b036f"`
[INFO] [stderr]     Checking futures-cpupool v0.1.6
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking hyper v0.11.2
[INFO] [stderr]     Checking space_text v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the variable `idx` is used as a loop counter. Consider using `for (idx, item) in letters.iter().enumerate()` or similar iterators
[INFO] [stderr]   --> src/main.rs:54:26
[INFO] [stderr]    |
[INFO] [stderr] 54 |                 for c in letters.iter() {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::explicit_counter_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_counter_loop
[INFO] [stderr] 
[INFO] [stderr] warning: the variable `idx` is used as a loop counter. Consider using `for (idx, item) in letters.iter().enumerate()` or similar iterators
[INFO] [stderr]   --> src/main.rs:54:26
[INFO] [stderr]    |
[INFO] [stderr] 54 |                 for c in letters.iter() {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::explicit_counter_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_counter_loop
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.45s
[INFO] running `"docker" "inspect" "c9cf2528bca87d29b29decadbb12bfcc3417b81cfa3fcd3c6fa923a4f31b036f"`
[INFO] running `"docker" "rm" "-f" "c9cf2528bca87d29b29decadbb12bfcc3417b81cfa3fcd3c6fa923a4f31b036f"`
[INFO] [stdout] c9cf2528bca87d29b29decadbb12bfcc3417b81cfa3fcd3c6fa923a4f31b036f