[INFO] crate guessing_game 0.1.2 is already in cache
[INFO] extracting crate guessing_game 0.1.2 into work/ex/clippy-test-run/sources/stable/reg/guessing_game/0.1.2
[INFO] extracting crate guessing_game 0.1.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/guessing_game/0.1.2
[INFO] validating manifest of guessing_game-0.1.2 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 guessing_game-0.1.2 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 guessing_game-0.1.2
[INFO] finished frobbing guessing_game-0.1.2
[INFO] frobbed toml for guessing_game-0.1.2 written to work/ex/clippy-test-run/sources/stable/reg/guessing_game/0.1.2/Cargo.toml
[INFO] started frobbing guessing_game-0.1.2
[INFO] finished frobbing guessing_game-0.1.2
[INFO] frobbed toml for guessing_game-0.1.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/guessing_game/0.1.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 guessing_game-0.1.2 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/guessing_game/0.1.2:/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] 91d10af76fc0f89898db2346a376e56b7b8f6d1ce35edcb54d0b8b881bd16924
[INFO] running `"docker" "start" "-a" "91d10af76fc0f89898db2346a376e56b7b8f6d1ce35edcb54d0b8b881bd16924"`
[INFO] [stderr]     Checking guessing_game v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: called `ok().expect()` on a Result value. You can call `expect` directly on the `Result`
[INFO] [stderr]   --> src/main.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | /     io::stdin().read_line(&mut guess)
[INFO] [stderr] 18 | |         .ok()
[INFO] [stderr] 19 | |         .expect("Failed to read line");
[INFO] [stderr]    | |______________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ok_expect)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ok_expect
[INFO] [stderr] 
[INFO] [stderr] warning: called `ok().expect()` on a Result value. You can call `expect` directly on the `Result`
[INFO] [stderr]   --> src/main.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | /     io::stdin().read_line(&mut guess)
[INFO] [stderr] 18 | |         .ok()
[INFO] [stderr] 19 | |         .expect("Failed to read line");
[INFO] [stderr]    | |______________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ok_expect)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ok_expect
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `"docker" "inspect" "91d10af76fc0f89898db2346a376e56b7b8f6d1ce35edcb54d0b8b881bd16924"`
[INFO] running `"docker" "rm" "-f" "91d10af76fc0f89898db2346a376e56b7b8f6d1ce35edcb54d0b8b881bd16924"`
[INFO] [stdout] 91d10af76fc0f89898db2346a376e56b7b8f6d1ce35edcb54d0b8b881bd16924