[INFO] updating cached repository dainnilsson/adventofcode-2018
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dainnilsson/adventofcode-2018
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dainnilsson/adventofcode-2018" "work/ex/clippy-test-run/sources/stable/gh/dainnilsson/adventofcode-2018"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/dainnilsson/adventofcode-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dainnilsson/adventofcode-2018" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/dainnilsson/adventofcode-2018"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/dainnilsson/adventofcode-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ec0f98a7c60305d0ad05b9c4e26e4ed6964eb357
[INFO] sha for GitHub repo dainnilsson/adventofcode-2018: ec0f98a7c60305d0ad05b9c4e26e4ed6964eb357
[INFO] validating manifest of dainnilsson/adventofcode-2018 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 dainnilsson/adventofcode-2018 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 dainnilsson/adventofcode-2018
[INFO] finished frobbing dainnilsson/adventofcode-2018
[INFO] frobbed toml for dainnilsson/adventofcode-2018 written to work/ex/clippy-test-run/sources/stable/gh/dainnilsson/adventofcode-2018/Cargo.toml
[INFO] started frobbing dainnilsson/adventofcode-2018
[INFO] finished frobbing dainnilsson/adventofcode-2018
[INFO] frobbed toml for dainnilsson/adventofcode-2018 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/dainnilsson/adventofcode-2018/Cargo.toml
[INFO] crate dainnilsson/adventofcode-2018 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 dainnilsson/adventofcode-2018 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/dainnilsson/adventofcode-2018:/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] 1ebfebf44d65d7db476dcc48ccbf6c4295e908b045a54ea83c7da01d8b52dff1
[INFO] running `"docker" "start" "-a" "1ebfebf44d65d7db476dcc48ccbf6c4295e908b045a54ea83c7da01d8b52dff1"`
[INFO] [stderr]     Checking aoc-18 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/main.rs:629:17
[INFO] [stderr]     |
[INFO] [stderr] 629 |                 rows: rows,
[INFO] [stderr]     |                 ^^^^^^^^^^ help: replace it with: `rows`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/main.rs:630:17
[INFO] [stderr]     |
[INFO] [stderr] 630 |                 cols: cols,
[INFO] [stderr]     |                 ^^^^^^^^^^ help: replace it with: `cols`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/main.rs:642:17
[INFO] [stderr]     |
[INFO] [stderr] 642 |                 x: x,
[INFO] [stderr]     |                 ^^^^ help: replace it with: `x`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/main.rs:643:17
[INFO] [stderr]     |
[INFO] [stderr] 643 |                 y: y,
[INFO] [stderr]     |                 ^^^^ help: replace it with: `y`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/main.rs:786:13
[INFO] [stderr]     |
[INFO] [stderr] 786 |             state: state,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `state`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/main.rs:629:17
[INFO] [stderr]     |
[INFO] [stderr] 629 |                 rows: rows,
[INFO] [stderr]     |                 ^^^^^^^^^^ help: replace it with: `rows`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/main.rs:630:17
[INFO] [stderr]     |
[INFO] [stderr] 630 |                 cols: cols,
[INFO] [stderr]     |                 ^^^^^^^^^^ help: replace it with: `cols`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/main.rs:642:17
[INFO] [stderr]     |
[INFO] [stderr] 642 |                 x: x,
[INFO] [stderr]     |                 ^^^^ help: replace it with: `x`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/main.rs:643:17
[INFO] [stderr]     |
[INFO] [stderr] 643 |                 y: y,
[INFO] [stderr]     |                 ^^^^ help: replace it with: `y`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/main.rs:786:13
[INFO] [stderr]     |
[INFO] [stderr] 786 |             state: state,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `state`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/main.rs:787:13
[INFO] [stderr]     |
[INFO] [stderr] 787 |             ts: ts,
[INFO] [stderr]     |             ^^^^^^ help: replace it with: `ts`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/main.rs:787:13
[INFO] [stderr]     |
[INFO] [stderr] 787 |             ts: ts,
[INFO] [stderr]     |             ^^^^^^ help: replace it with: `ts`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/main.rs:811:28
[INFO] [stderr]     |
[INFO] [stderr] 811 |         let b = c2 + dc * (50000000000 - pots.tick as i64);
[INFO] [stderr]     |                            ^^^^^^^^^^^ help: consider: `50_000_000_000`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/main.rs:811:28
[INFO] [stderr]     |
[INFO] [stderr] 811 |         let b = c2 + dc * (50000000000 - pots.tick as i64);
[INFO] [stderr]     |                            ^^^^^^^^^^^ help: consider: `50_000_000_000`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/main.rs:913:23
[INFO] [stderr]     |
[INFO] [stderr] 913 |         assert_eq!(a, 101565);
[INFO] [stderr]     |                       ^^^^^^ help: consider: `101_565`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/main.rs:961:23
[INFO] [stderr]     |
[INFO] [stderr] 961 |         assert_eq!(a, 374690);
[INFO] [stderr]     |                       ^^^^^^ help: consider: `374_690`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/main.rs:962:23
[INFO] [stderr]     |
[INFO] [stderr] 962 |         assert_eq!(b, 3009951158);
[INFO] [stderr]     |                       ^^^^^^^^^^ help: consider: `3_009_951_158`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]     --> src/main.rs:1000:23
[INFO] [stderr]      |
[INFO] [stderr] 1000 |         assert_eq!(b, 1650000000055);
[INFO] [stderr]      |                       ^^^^^^^^^^^^^ help: consider: `1_650_000_000_055`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or_insert` followed by a function call
[INFO] [stderr]    --> src/main.rs:230:50
[INFO] [stderr]     |
[INFO] [stderr] 230 |                 Action::Wake => sleeps.entry(id).or_insert(vec![]).push((sleep_at, e.m)),
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^^^^^ help: try this: `or_insert_with(|| vec![])`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/main.rs:275:37
[INFO] [stderr]     |
[INFO] [stderr] 275 |                   let mut x: Vec<_> = cs
[INFO] [stderr]     |  _____________________________________^
[INFO] [stderr] 276 | |                     .iter()
[INFO] [stderr] 277 | |                     .filter(|&x| *x != i && *x != i + 32)
[INFO] [stderr] 278 | |                     .map(|&x| x)
[INFO] [stderr]     | |________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] help: Consider calling the dedicated `cloned` method
[INFO] [stderr]     |
[INFO] [stderr] 275 |                 let mut x: Vec<_> = cs
[INFO] [stderr] 276 |                     .iter()
[INFO] [stderr] 277 |                     .filter(|&x| *x != i && *x != i + 32).cloned()
[INFO] [stderr]     |
[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:366:15
[INFO] [stderr]     |
[INFO] [stderr] 366 |         done: &Vec<char>,
[INFO] [stderr]     |               ^^^^^^^^^^ help: change this to: `&[char]`
[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: called `filter(p).next()` on an `Iterator`. This is more succinctly expressed by calling `.find(p)` instead.
[INFO] [stderr]    --> src/main.rs:369:9
[INFO] [stderr]     |
[INFO] [stderr] 369 | /         deps.iter()
[INFO] [stderr] 370 | |             .filter(|(k, v)| {
[INFO] [stderr] 371 | |                 !done.contains(k) && !excl.contains(k) && v.iter().all(|x| done.contains(&x))
[INFO] [stderr] 372 | |             })
[INFO] [stderr] 373 | |             .next()
[INFO] [stderr]     | |___________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::filter_next)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#filter_next
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or_insert` followed by a function call
[INFO] [stderr]    --> src/main.rs:384:27
[INFO] [stderr]     |
[INFO] [stderr] 384 |             deps.entry(a).or_insert(vec![]).push(b);
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^ help: try this: `or_insert_with(|| vec![])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or_insert` followed by a function call
[INFO] [stderr]    --> src/main.rs:385:27
[INFO] [stderr]     |
[INFO] [stderr] 385 |             deps.entry(b).or_insert(vec![]);
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^ help: try this: `or_insert_with(|| vec![])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:407:41
[INFO] [stderr]     |
[INFO] [stderr] 407 |                             (time - 4 + (c as u8) as i32, c)
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^ help: try: `i32::from((c as u8))`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/main.rs:466:16
[INFO] [stderr]     |
[INFO] [stderr] 466 |             if self.children.len() == 0 {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.children.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: single-character string constant used as pattern
[INFO] [stderr]    --> src/main.rs:482:20
[INFO] [stderr]     |
[INFO] [stderr] 482 |             .split(" ")
[INFO] [stderr]     |                    ^^^ help: try using a char instead: `' '`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/main.rs:519:41
[INFO] [stderr]     |
[INFO] [stderr] 519 |         let words: Vec<_> = input.split(" ").collect();
[INFO] [stderr]     |                                         ^^^ help: try using a char instead: `' '`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/main.rs:757:13
[INFO] [stderr]     |
[INFO] [stderr] 757 |             format!("{}", self.state.iter().collect::<String>())
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `self.state.iter().collect::<String>().to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_format)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: this loop could be written as a `while let` loop
[INFO] [stderr]    --> src/main.rs:774:9
[INFO] [stderr]     |
[INFO] [stderr] 774 | /         loop {
[INFO] [stderr] 775 | |             if let Some(l) = lines.next() {
[INFO] [stderr] 776 | |                 let cs: Vec<_> = l.chars().collect();
[INFO] [stderr] 777 | |                 let t1 = cs[0..5].to_vec();
[INFO] [stderr] ...   |
[INFO] [stderr] 782 | |             }
[INFO] [stderr] 783 | |         }
[INFO] [stderr]     | |_________^ help: try: `while let Some(l) = lines.next() { .. }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::while_let_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_loop
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:806:18
[INFO] [stderr]     |
[INFO] [stderr] 806 |         let c1 = pots.checksum() as i64;
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(pots.checksum())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:808:18
[INFO] [stderr]     |
[INFO] [stderr] 808 |         let c2 = pots.checksum() as i64;
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(pots.checksum())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or_insert` followed by a function call
[INFO] [stderr]    --> src/main.rs:230:50
[INFO] [stderr]     |
[INFO] [stderr] 230 |                 Action::Wake => sleeps.entry(id).or_insert(vec![]).push((sleep_at, e.m)),
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^^^^^ help: try this: `or_insert_with(|| vec![])`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/main.rs:275:37
[INFO] [stderr]     |
[INFO] [stderr] 275 |                   let mut x: Vec<_> = cs
[INFO] [stderr]     |  _____________________________________^
[INFO] [stderr] 276 | |                     .iter()
[INFO] [stderr] 277 | |                     .filter(|&x| *x != i && *x != i + 32)
[INFO] [stderr] 278 | |                     .map(|&x| x)
[INFO] [stderr]     | |________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] help: Consider calling the dedicated `cloned` method
[INFO] [stderr]     |
[INFO] [stderr] 275 |                 let mut x: Vec<_> = cs
[INFO] [stderr] 276 |                     .iter()
[INFO] [stderr] 277 |                     .filter(|&x| *x != i && *x != i + 32).cloned()
[INFO] [stderr]     |
[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:366:15
[INFO] [stderr]     |
[INFO] [stderr] 366 |         done: &Vec<char>,
[INFO] [stderr]     |               ^^^^^^^^^^ help: change this to: `&[char]`
[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: called `filter(p).next()` on an `Iterator`. This is more succinctly expressed by calling `.find(p)` instead.
[INFO] [stderr]    --> src/main.rs:369:9
[INFO] [stderr]     |
[INFO] [stderr] 369 | /         deps.iter()
[INFO] [stderr] 370 | |             .filter(|(k, v)| {
[INFO] [stderr] 371 | |                 !done.contains(k) && !excl.contains(k) && v.iter().all(|x| done.contains(&x))
[INFO] [stderr] 372 | |             })
[INFO] [stderr] 373 | |             .next()
[INFO] [stderr]     | |___________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::filter_next)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#filter_next
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or_insert` followed by a function call
[INFO] [stderr]    --> src/main.rs:384:27
[INFO] [stderr]     |
[INFO] [stderr] 384 |             deps.entry(a).or_insert(vec![]).push(b);
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^ help: try this: `or_insert_with(|| vec![])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or_insert` followed by a function call
[INFO] [stderr]    --> src/main.rs:385:27
[INFO] [stderr]     |
[INFO] [stderr] 385 |             deps.entry(b).or_insert(vec![]);
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^ help: try this: `or_insert_with(|| vec![])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:407:41
[INFO] [stderr]     |
[INFO] [stderr] 407 |                             (time - 4 + (c as u8) as i32, c)
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^ help: try: `i32::from((c as u8))`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/main.rs:466:16
[INFO] [stderr]     |
[INFO] [stderr] 466 |             if self.children.len() == 0 {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.children.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: single-character string constant used as pattern
[INFO] [stderr]    --> src/main.rs:482:20
[INFO] [stderr]     |
[INFO] [stderr] 482 |             .split(" ")
[INFO] [stderr]     |                    ^^^ help: try using a char instead: `' '`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/main.rs:519:41
[INFO] [stderr]     |
[INFO] [stderr] 519 |         let words: Vec<_> = input.split(" ").collect();
[INFO] [stderr]     |                                         ^^^ help: try using a char instead: `' '`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/main.rs:757:13
[INFO] [stderr]     |
[INFO] [stderr] 757 |             format!("{}", self.state.iter().collect::<String>())
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `self.state.iter().collect::<String>().to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_format)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: this loop could be written as a `while let` loop
[INFO] [stderr]    --> src/main.rs:774:9
[INFO] [stderr]     |
[INFO] [stderr] 774 | /         loop {
[INFO] [stderr] 775 | |             if let Some(l) = lines.next() {
[INFO] [stderr] 776 | |                 let cs: Vec<_> = l.chars().collect();
[INFO] [stderr] 777 | |                 let t1 = cs[0..5].to_vec();
[INFO] [stderr] ...   |
[INFO] [stderr] 782 | |             }
[INFO] [stderr] 783 | |         }
[INFO] [stderr]     | |_________^ help: try: `while let Some(l) = lines.next() { .. }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::while_let_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_loop
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:806:18
[INFO] [stderr]     |
[INFO] [stderr] 806 |         let c1 = pots.checksum() as i64;
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(pots.checksum())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:808:18
[INFO] [stderr]     |
[INFO] [stderr] 808 |         let c2 = pots.checksum() as i64;
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(pots.checksum())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.60s
[INFO] running `"docker" "inspect" "1ebfebf44d65d7db476dcc48ccbf6c4295e908b045a54ea83c7da01d8b52dff1"`
[INFO] running `"docker" "rm" "-f" "1ebfebf44d65d7db476dcc48ccbf6c4295e908b045a54ea83c7da01d8b52dff1"`
[INFO] [stdout] 1ebfebf44d65d7db476dcc48ccbf6c4295e908b045a54ea83c7da01d8b52dff1