[INFO] updating cached repository talklittle/ff13-2-clock-puzzle-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/talklittle/ff13-2-clock-puzzle-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/talklittle/ff13-2-clock-puzzle-rs" "work/ex/clippy-test-run/sources/stable/gh/talklittle/ff13-2-clock-puzzle-rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/talklittle/ff13-2-clock-puzzle-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/talklittle/ff13-2-clock-puzzle-rs" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/talklittle/ff13-2-clock-puzzle-rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/talklittle/ff13-2-clock-puzzle-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 68cd93a587d4c98c65cb94b964b3a42cec33db24
[INFO] sha for GitHub repo talklittle/ff13-2-clock-puzzle-rs: 68cd93a587d4c98c65cb94b964b3a42cec33db24
[INFO] validating manifest of talklittle/ff13-2-clock-puzzle-rs 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 talklittle/ff13-2-clock-puzzle-rs 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 talklittle/ff13-2-clock-puzzle-rs
[INFO] finished frobbing talklittle/ff13-2-clock-puzzle-rs
[INFO] frobbed toml for talklittle/ff13-2-clock-puzzle-rs written to work/ex/clippy-test-run/sources/stable/gh/talklittle/ff13-2-clock-puzzle-rs/Cargo.toml
[INFO] started frobbing talklittle/ff13-2-clock-puzzle-rs
[INFO] finished frobbing talklittle/ff13-2-clock-puzzle-rs
[INFO] frobbed toml for talklittle/ff13-2-clock-puzzle-rs written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/talklittle/ff13-2-clock-puzzle-rs/Cargo.toml
[INFO] crate talklittle/ff13-2-clock-puzzle-rs 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 talklittle/ff13-2-clock-puzzle-rs 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-1/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/talklittle/ff13-2-clock-puzzle-rs:/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] 3f1396415a5644a3962e9f43d681369da54234ac01b558acd9ca3b61a34a731c
[INFO] running `"docker" "start" "-a" "3f1396415a5644a3962e9f43d681369da54234ac01b558acd9ca3b61a34a731c"`
[INFO] [stderr]     Checking ff13-2-clock-puzzle-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/main.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     result
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/main.rs:36:18
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let result = brute_force(all_paths, all_origins, vec![]).unwrap();
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/main.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     result
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/main.rs:36:18
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let result = brute_force(all_paths, all_origins, vec![]).unwrap();
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: the variable `i` is used as a loop counter. Consider using `for (i, item) in clock_vals.enumerate()` or similar iterators
[INFO] [stderr]   --> src/main.rs:25:16
[INFO] [stderr]    |
[INFO] [stderr] 25 |     for val in clock_vals {
[INFO] [stderr]    |                ^^^^^^^^^^
[INFO] [stderr] warning: the variable `i` is used as a loop counter. Consider using `for (i, item) in clock_vals.enumerate()` or similar iterators
[INFO] [stderr]   --> src/main.rs:25:16
[INFO] [stderr]    |
[INFO] [stderr] 25 |     for val in clock_vals {
[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: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]   --> src/main.rs:52:17
[INFO] [stderr]    |
[INFO] [stderr] 52 |             let ref dests = remaining_paths[i as usize];
[INFO] [stderr]    |             ----^^^^^^^^^------------------------------- help: try: `let dests = &remaining_paths[i as usize];`
[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: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]   --> src/main.rs:52:17
[INFO] [stderr]    |
[INFO] [stderr] 52 |             let ref dests = remaining_paths[i as usize];
[INFO] [stderr]    |             ----^^^^^^^^^------------------------------- help: try: `let dests = &remaining_paths[i as usize];`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::toplevel_ref_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::toplevel_ref_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `"docker" "inspect" "3f1396415a5644a3962e9f43d681369da54234ac01b558acd9ca3b61a34a731c"`
[INFO] running `"docker" "rm" "-f" "3f1396415a5644a3962e9f43d681369da54234ac01b558acd9ca3b61a34a731c"`
[INFO] [stdout] 3f1396415a5644a3962e9f43d681369da54234ac01b558acd9ca3b61a34a731c