[INFO] updating cached repository Napokue/Guessing-Game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Napokue/Guessing-Game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Napokue/Guessing-Game" "work/ex/clippy-test-run/sources/stable/gh/Napokue/Guessing-Game"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/Napokue/Guessing-Game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Napokue/Guessing-Game" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Napokue/Guessing-Game"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Napokue/Guessing-Game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ab6c89eccfeb9719d78934f8badab5a0ec0cf5fe
[INFO] sha for GitHub repo Napokue/Guessing-Game: ab6c89eccfeb9719d78934f8badab5a0ec0cf5fe
[INFO] validating manifest of Napokue/Guessing-Game 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 Napokue/Guessing-Game 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 Napokue/Guessing-Game
[INFO] finished frobbing Napokue/Guessing-Game
[INFO] frobbed toml for Napokue/Guessing-Game written to work/ex/clippy-test-run/sources/stable/gh/Napokue/Guessing-Game/Cargo.toml
[INFO] started frobbing Napokue/Guessing-Game
[INFO] finished frobbing Napokue/Guessing-Game
[INFO] frobbed toml for Napokue/Guessing-Game written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Napokue/Guessing-Game/Cargo.toml
[INFO] crate Napokue/Guessing-Game 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 Napokue/Guessing-Game 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-2/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/Napokue/Guessing-Game:/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] 358c854752f0596ee945aca73f1a370b347b3ec2285f519b0e54fb4c325a359f
[INFO] running `"docker" "start" "-a" "358c854752f0596ee945aca73f1a370b347b3ec2285f519b0e54fb4c325a359f"`
[INFO] [stderr]     Checking guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     return guess;
[INFO] [stderr]    |     ^^^^^^^^^^^^^ help: remove `return` as shown: `guess`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:44:13
[INFO] [stderr]    |
[INFO] [stderr] 44 |             return (true, num);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(true, num)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |             return (false, 0);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(false, 0)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     return guess;
[INFO] [stderr]    |     ^^^^^^^^^^^^^ help: remove `return` as shown: `guess`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:44:13
[INFO] [stderr]    |
[INFO] [stderr] 44 |             return (true, num);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(true, num)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |             return (false, 0);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(false, 0)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "358c854752f0596ee945aca73f1a370b347b3ec2285f519b0e54fb4c325a359f"`
[INFO] running `"docker" "rm" "-f" "358c854752f0596ee945aca73f1a370b347b3ec2285f519b0e54fb4c325a359f"`
[INFO] [stdout] 358c854752f0596ee945aca73f1a370b347b3ec2285f519b0e54fb4c325a359f