[INFO] updating cached repository danielvalentin/rust-hangman
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/danielvalentin/rust-hangman
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/danielvalentin/rust-hangman" "work/ex/clippy-test-run/sources/stable/gh/danielvalentin/rust-hangman"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/danielvalentin/rust-hangman'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/danielvalentin/rust-hangman" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/danielvalentin/rust-hangman"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/danielvalentin/rust-hangman'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4cd57c6e1a90062eca539e1a1a547a8e1616fe1c
[INFO] sha for GitHub repo danielvalentin/rust-hangman: 4cd57c6e1a90062eca539e1a1a547a8e1616fe1c
[INFO] validating manifest of danielvalentin/rust-hangman 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 danielvalentin/rust-hangman 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 danielvalentin/rust-hangman
[INFO] finished frobbing danielvalentin/rust-hangman
[INFO] frobbed toml for danielvalentin/rust-hangman written to work/ex/clippy-test-run/sources/stable/gh/danielvalentin/rust-hangman/Cargo.toml
[INFO] started frobbing danielvalentin/rust-hangman
[INFO] finished frobbing danielvalentin/rust-hangman
[INFO] frobbed toml for danielvalentin/rust-hangman written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/danielvalentin/rust-hangman/Cargo.toml
[INFO] crate danielvalentin/rust-hangman 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 danielvalentin/rust-hangman 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/danielvalentin/rust-hangman:/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] dc4ae57a2061101efc2e0f7a3cd8e69293d8b17689fed06e10aee9f3e4517b74
[INFO] running `"docker" "start" "-a" "dc4ae57a2061101efc2e0f7a3cd8e69293d8b17689fed06e10aee9f3e4517b74"`
[INFO] [stderr]     Checking hangman v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]   --> src/main.rs:30:30
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn play(status: &mut Status) -> () {
[INFO] [stderr]    |                              ^^^^^ help: remove the `-> ()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unused_unit)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:108:3
[INFO] [stderr]     |
[INFO] [stderr] 108 |         return true;
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: remove `return` as shown: `true`
[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:111:3
[INFO] [stderr]     |
[INFO] [stderr] 111 |         return false;
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: remove `return` as shown: `false`
[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:115:3
[INFO] [stderr]     |
[INFO] [stderr] 115 |         return ask_for_another_game(&status);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `ask_for_another_game(&status)`
[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 unit return type
[INFO] [stderr]    --> src/main.rs:119:30
[INFO] [stderr]     |
[INFO] [stderr] 119 | fn draw_man(status: &Status) -> () {
[INFO] [stderr]     |                              ^^^^^ help: remove the `-> ()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]   --> src/main.rs:30:30
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn play(status: &mut Status) -> () {
[INFO] [stderr]    |                              ^^^^^ help: remove the `-> ()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unused_unit)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:108:3
[INFO] [stderr]     |
[INFO] [stderr] 108 |         return true;
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: remove `return` as shown: `true`
[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:111:3
[INFO] [stderr]     |
[INFO] [stderr] 111 |         return false;
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: remove `return` as shown: `false`
[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:115:3
[INFO] [stderr]     |
[INFO] [stderr] 115 |         return ask_for_another_game(&status);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `ask_for_another_game(&status)`
[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 unit return type
[INFO] [stderr]    --> src/main.rs:119:30
[INFO] [stderr]     |
[INFO] [stderr] 119 | fn draw_man(status: &Status) -> () {
[INFO] [stderr]     |                              ^^^^^ help: remove the `-> ()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: the variable `i` is used as a loop counter. Consider using `for (i, item) in status.word.chars().enumerate()` or similar iterators
[INFO] [stderr]   --> src/main.rs:59:17
[INFO] [stderr]    |
[INFO] [stderr] 59 |         for letter in status.word.chars() {
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::explicit_counter_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_counter_loop
[INFO] [stderr] 
[INFO] [stderr] warning: the variable `i` is used as a loop counter. Consider using `for (i, item) in status.word.chars().enumerate()` or similar iterators
[INFO] [stderr]   --> src/main.rs:59:17
[INFO] [stderr]    |
[INFO] [stderr] 59 |         for letter in status.word.chars() {
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::explicit_counter_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_counter_loop
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "dc4ae57a2061101efc2e0f7a3cd8e69293d8b17689fed06e10aee9f3e4517b74"`
[INFO] running `"docker" "rm" "-f" "dc4ae57a2061101efc2e0f7a3cd8e69293d8b17689fed06e10aee9f3e4517b74"`
[INFO] [stdout] dc4ae57a2061101efc2e0f7a3cd8e69293d8b17689fed06e10aee9f3e4517b74