[INFO] updating cached repository voloyev/brainf2c
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/voloyev/brainf2c
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/voloyev/brainf2c" "work/ex/clippy-test-run/sources/stable/gh/voloyev/brainf2c"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/voloyev/brainf2c'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/voloyev/brainf2c" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/voloyev/brainf2c"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/voloyev/brainf2c'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0d93dc0b684a690c076e34a467b73e3d529bf5c3
[INFO] sha for GitHub repo voloyev/brainf2c: 0d93dc0b684a690c076e34a467b73e3d529bf5c3
[INFO] validating manifest of voloyev/brainf2c 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 voloyev/brainf2c 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 voloyev/brainf2c
[INFO] finished frobbing voloyev/brainf2c
[INFO] frobbed toml for voloyev/brainf2c written to work/ex/clippy-test-run/sources/stable/gh/voloyev/brainf2c/Cargo.toml
[INFO] started frobbing voloyev/brainf2c
[INFO] finished frobbing voloyev/brainf2c
[INFO] frobbed toml for voloyev/brainf2c written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/voloyev/brainf2c/Cargo.toml
[INFO] crate voloyev/brainf2c 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 voloyev/brainf2c 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/voloyev/brainf2c:/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] 5c6274525d5a2440a79719a344f978febffe12c3428bbf8ea532c42a0c10ff64
[INFO] running `"docker" "start" "-a" "5c6274525d5a2440a79719a344f978febffe12c3428bbf8ea532c42a0c10ff64"`
[INFO] [stderr]     Checking brainfast v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: this loop could be written as a `for` loop
[INFO] [stderr]   --> src/main.rs:27:25
[INFO] [stderr]    |
[INFO] [stderr] 27 |     while let Some(c) = chars.next() {
[INFO] [stderr]    |                         ^^^^^^^^^^^^ help: try: `for c in chars { .. }`
[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:27:25
[INFO] [stderr]    |
[INFO] [stderr] 27 |     while let Some(c) = chars.next() {
[INFO] [stderr]    |                         ^^^^^^^^^^^^ help: try: `for c in chars { .. }`
[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 0.60s
[INFO] running `"docker" "inspect" "5c6274525d5a2440a79719a344f978febffe12c3428bbf8ea532c42a0c10ff64"`
[INFO] running `"docker" "rm" "-f" "5c6274525d5a2440a79719a344f978febffe12c3428bbf8ea532c42a0c10ff64"`
[INFO] [stdout] 5c6274525d5a2440a79719a344f978febffe12c3428bbf8ea532c42a0c10ff64