[INFO] updating cached repository brain0/cleanenv
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/brain0/cleanenv
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/brain0/cleanenv" "work/ex/clippy-test-run/sources/stable/gh/brain0/cleanenv"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/brain0/cleanenv'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/brain0/cleanenv" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/brain0/cleanenv"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/brain0/cleanenv'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ffc89dc4b7a30f31efe2ecfe21cd23889f40e9df
[INFO] sha for GitHub repo brain0/cleanenv: ffc89dc4b7a30f31efe2ecfe21cd23889f40e9df
[INFO] validating manifest of brain0/cleanenv 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 brain0/cleanenv 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 brain0/cleanenv
[INFO] finished frobbing brain0/cleanenv
[INFO] frobbed toml for brain0/cleanenv written to work/ex/clippy-test-run/sources/stable/gh/brain0/cleanenv/Cargo.toml
[INFO] started frobbing brain0/cleanenv
[INFO] finished frobbing brain0/cleanenv
[INFO] frobbed toml for brain0/cleanenv written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/brain0/cleanenv/Cargo.toml
[INFO] crate brain0/cleanenv 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 brain0/cleanenv 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/brain0/cleanenv:/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] 82d03c54a02f39611af1139318dac58cf6d7fa2d37ea56854885de4de0e8dd99
[INFO] running `"docker" "start" "-a" "82d03c54a02f39611af1139318dac58cf6d7fa2d37ea56854885de4de0e8dd99"`
[INFO] [stderr]     Checking cleanenv v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: this loop could be written as a `for` loop
[INFO] [stderr]   --> src/main.rs:18:27
[INFO] [stderr]    |
[INFO] [stderr] 18 |     while let Some(arg) = args.next() {
[INFO] [stderr]    |                           ^^^^^^^^^^^ help: try: `for arg in args { .. }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::while_let_on_iterator)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_on_iterator
[INFO] [stderr] 
[INFO] [stderr] warning: this loop could be written as a `for` loop
[INFO] [stderr]   --> src/main.rs:18:27
[INFO] [stderr]    |
[INFO] [stderr] 18 |     while let Some(arg) = args.next() {
[INFO] [stderr]    |                           ^^^^^^^^^^^ help: try: `for arg in args { .. }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::while_let_on_iterator)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_on_iterator
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `"docker" "inspect" "82d03c54a02f39611af1139318dac58cf6d7fa2d37ea56854885de4de0e8dd99"`
[INFO] running `"docker" "rm" "-f" "82d03c54a02f39611af1139318dac58cf6d7fa2d37ea56854885de4de0e8dd99"`
[INFO] [stdout] 82d03c54a02f39611af1139318dac58cf6d7fa2d37ea56854885de4de0e8dd99