[INFO] updating cached repository kbacha/hex-escape-bench
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kbacha/hex-escape-bench
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kbacha/hex-escape-bench" "work/ex/clippy-test-run/sources/stable/gh/kbacha/hex-escape-bench"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/kbacha/hex-escape-bench'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kbacha/hex-escape-bench" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/kbacha/hex-escape-bench"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/kbacha/hex-escape-bench'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ad3ba57e8468d021269e0130757dcef607399db3
[INFO] sha for GitHub repo kbacha/hex-escape-bench: ad3ba57e8468d021269e0130757dcef607399db3
[INFO] validating manifest of kbacha/hex-escape-bench 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 kbacha/hex-escape-bench 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 kbacha/hex-escape-bench
[INFO] finished frobbing kbacha/hex-escape-bench
[INFO] frobbed toml for kbacha/hex-escape-bench written to work/ex/clippy-test-run/sources/stable/gh/kbacha/hex-escape-bench/Cargo.toml
[INFO] started frobbing kbacha/hex-escape-bench
[INFO] finished frobbing kbacha/hex-escape-bench
[INFO] frobbed toml for kbacha/hex-escape-bench written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/kbacha/hex-escape-bench/Cargo.toml
[INFO] crate kbacha/hex-escape-bench 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 kbacha/hex-escape-bench 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-6/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/kbacha/hex-escape-bench:/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] d86b893374c3a84ffdcf8431702646244157c9f4da21769fd60b75e14ebbe5bc
[INFO] running `"docker" "start" "-a" "d86b893374c3a84ffdcf8431702646244157c9f4da21769fd60b75e14ebbe5bc"`
[INFO] [stderr]     Checking hex-escape-bench v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: statement can be reduced
[INFO] [stderr]   --> src/main.rs:49:13
[INFO] [stderr]    |
[INFO] [stderr] 49 | /             (
[INFO] [stderr] 50 | |                 (char::from(*b1).to_digit(16).unwrap() << 4) +
[INFO] [stderr] 51 | |                  char::from(*b2).to_digit(16).unwrap()
[INFO] [stderr] 52 | |             ) as u8;
[INFO] [stderr]    | |____________________^ help: replace it with: `(char::from(*b1).to_digit(16).unwrap() << 4);char::from(*b2).to_digit(16).unwrap();`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unnecessary_operation)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_operation
[INFO] [stderr] 
[INFO] [stderr] warning: statement can be reduced
[INFO] [stderr]   --> src/main.rs:49:13
[INFO] [stderr]    |
[INFO] [stderr] 49 | /             (
[INFO] [stderr] 50 | |                 (char::from(*b1).to_digit(16).unwrap() << 4) +
[INFO] [stderr] 51 | |                  char::from(*b2).to_digit(16).unwrap()
[INFO] [stderr] 52 | |             ) as u8;
[INFO] [stderr]    | |____________________^ help: replace it with: `(char::from(*b1).to_digit(16).unwrap() << 4);char::from(*b2).to_digit(16).unwrap();`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unnecessary_operation)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_operation
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `"docker" "inspect" "d86b893374c3a84ffdcf8431702646244157c9f4da21769fd60b75e14ebbe5bc"`
[INFO] running `"docker" "rm" "-f" "d86b893374c3a84ffdcf8431702646244157c9f4da21769fd60b75e14ebbe5bc"`
[INFO] [stdout] d86b893374c3a84ffdcf8431702646244157c9f4da21769fd60b75e14ebbe5bc