[INFO] updating cached repository tgandrews/synacor-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tgandrews/synacor-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tgandrews/synacor-rs" "work/ex/clippy-test-run/sources/stable/gh/tgandrews/synacor-rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/tgandrews/synacor-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tgandrews/synacor-rs" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/tgandrews/synacor-rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/tgandrews/synacor-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7a38ad4f4393be207db967802b61e69ae2fdf6c8
[INFO] sha for GitHub repo tgandrews/synacor-rs: 7a38ad4f4393be207db967802b61e69ae2fdf6c8
[INFO] validating manifest of tgandrews/synacor-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 tgandrews/synacor-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 tgandrews/synacor-rs
[INFO] finished frobbing tgandrews/synacor-rs
[INFO] frobbed toml for tgandrews/synacor-rs written to work/ex/clippy-test-run/sources/stable/gh/tgandrews/synacor-rs/Cargo.toml
[INFO] started frobbing tgandrews/synacor-rs
[INFO] finished frobbing tgandrews/synacor-rs
[INFO] frobbed toml for tgandrews/synacor-rs written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/tgandrews/synacor-rs/Cargo.toml
[INFO] crate tgandrews/synacor-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 tgandrews/synacor-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-4/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/tgandrews/synacor-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] 3587abf9e36c64fd56130dcb809a2718adf8884c82e9772e67f6272a50043d57
[INFO] running `"docker" "start" "-a" "3587abf9e36c64fd56130dcb809a2718adf8884c82e9772e67f6272a50043d57"`
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking synacor-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/main.rs:11:32
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn get_value(val:usize, memory:&Vec<u16>, registry: &[u16]) -> u16 {
[INFO] [stderr]    |                                ^^^^^^^^^ help: change this to: `&[u16]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 32
[INFO] [stderr]    --> src/main.rs:22:1
[INFO] [stderr]     |
[INFO] [stderr] 22  | / fn main() {
[INFO] [stderr] 23  | |     let path = Path::new("challenge/challenge.bin");
[INFO] [stderr] 24  | |     let mut file = match File::open(&path) {
[INFO] [stderr] 25  | |         Err(err) => panic!("couldn't open {}: {}", path.display(), err.description()),
[INFO] [stderr] ...   |
[INFO] [stderr] 241 | |     }
[INFO] [stderr] 242 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cyclomatic_complexity)] on by default
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/main.rs:218:16
[INFO] [stderr]     |
[INFO] [stderr] 218 |             if input_buffer.len() == 0 {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `input_buffer.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:221:17
[INFO] [stderr]     |
[INFO] [stderr] 221 |                 stdin.lock().read_line(&mut line);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/main.rs:11:32
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn get_value(val:usize, memory:&Vec<u16>, registry: &[u16]) -> u16 {
[INFO] [stderr]    |                                ^^^^^^^^^ help: change this to: `&[u16]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 32
[INFO] [stderr]    --> src/main.rs:22:1
[INFO] [stderr]     |
[INFO] [stderr] 22  | / fn main() {
[INFO] [stderr] 23  | |     let path = Path::new("challenge/challenge.bin");
[INFO] [stderr] 24  | |     let mut file = match File::open(&path) {
[INFO] [stderr] 25  | |         Err(err) => panic!("couldn't open {}: {}", path.display(), err.description()),
[INFO] [stderr] ...   |
[INFO] [stderr] 241 | |     }
[INFO] [stderr] 242 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cyclomatic_complexity)] on by default
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/main.rs:218:16
[INFO] [stderr]     |
[INFO] [stderr] 218 |             if input_buffer.len() == 0 {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `input_buffer.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:221:17
[INFO] [stderr]     |
[INFO] [stderr] 221 |                 stdin.lock().read_line(&mut line);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `"docker" "inspect" "3587abf9e36c64fd56130dcb809a2718adf8884c82e9772e67f6272a50043d57"`
[INFO] running `"docker" "rm" "-f" "3587abf9e36c64fd56130dcb809a2718adf8884c82e9772e67f6272a50043d57"`
[INFO] [stdout] 3587abf9e36c64fd56130dcb809a2718adf8884c82e9772e67f6272a50043d57