[INFO] updating cached repository nlordell/aoc-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nlordell/aoc-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nlordell/aoc-rs" "work/ex/clippy-test-run/sources/stable/gh/nlordell/aoc-rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/nlordell/aoc-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nlordell/aoc-rs" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/nlordell/aoc-rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/nlordell/aoc-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cf6170cd0c22089aec528177d7e03496cd380568
[INFO] sha for GitHub repo nlordell/aoc-rs: cf6170cd0c22089aec528177d7e03496cd380568
[INFO] validating manifest of nlordell/aoc-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 nlordell/aoc-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 nlordell/aoc-rs
[INFO] finished frobbing nlordell/aoc-rs
[INFO] frobbed toml for nlordell/aoc-rs written to work/ex/clippy-test-run/sources/stable/gh/nlordell/aoc-rs/Cargo.toml
[INFO] started frobbing nlordell/aoc-rs
[INFO] finished frobbing nlordell/aoc-rs
[INFO] frobbed toml for nlordell/aoc-rs written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/nlordell/aoc-rs/Cargo.toml
[INFO] crate nlordell/aoc-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 nlordell/aoc-rs against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/nlordell/aoc-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" "-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] aef5278fa492e3e3096fb80a73214f36c519694739dcd3bbb856960c4c13c9a0
[INFO] running `"docker" "start" "-a" "aef5278fa492e3e3096fb80a73214f36c519694739dcd3bbb856960c4c13c9a0"`
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking nalgebra v0.16.12
[INFO] [stderr]     Checking aoc 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/year2018/day03.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 88 |     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/year2018/day03.rs:86:18
[INFO] [stderr]    |
[INFO] [stderr] 86 |     let result = { no_overlap.drain().nth(0).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/year2018/day03.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 88 |     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/year2018/day03.rs:86:18
[INFO] [stderr]    |
[INFO] [stderr] 86 |     let result = { no_overlap.drain().nth(0).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: long literal lacking separators
[INFO] [stderr]    --> src/year2018/day09.rs:107:13
[INFO] [stderr]     |
[INFO] [stderr] 107 |             146373
[INFO] [stderr]     |             ^^^^^^ help: consider: `146_373`
[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/year2018/day12.rs:165:19
[INFO] [stderr]     |
[INFO] [stderr] 165 |     puzzle(input, 50000000000)
[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/year2018/day14.rs:55:29
[INFO] [stderr]    |
[INFO] [stderr] 55 |     let scoreboard = puzzle(0x400000, |s| slice_end(&s, input.len()).contains(input));
[INFO] [stderr]    |                             ^^^^^^^^ help: consider: `0x0040_0000`
[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/year2018/day12.rs:165:19
[INFO] [stderr]     |
[INFO] [stderr] 165 |     puzzle(input, 50000000000)
[INFO] [stderr]     |                   ^^^^^^^^^^^ help: consider: `50_000_000_000`
[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/year2018/day14.rs:55:29
[INFO] [stderr]    |
[INFO] [stderr] 55 |     let scoreboard = puzzle(0x400000, |s| slice_end(&s, input.len()).contains(input));
[INFO] [stderr]    |                             ^^^^^^^^ help: consider: `0x0040_0000`
[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: unused variable: `input`
[INFO] [stderr]  --> src/year2018/day15.rs:1:16
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn puzzle1(input: &str) -> i64 {
[INFO] [stderr]   |                ^^^^^ help: consider using `_input` instead
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]  --> src/year2018/day15.rs:5:16
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn puzzle2(input: &str) -> i64 {
[INFO] [stderr]   |                ^^^^^ help: consider using `_input` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]  --> src/year2018/day16.rs:1:16
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn puzzle1(input: &str) -> i64 {
[INFO] [stderr]   |                ^^^^^ help: consider using `_input` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]  --> src/year2018/day16.rs:5:16
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn puzzle2(input: &str) -> i64 {
[INFO] [stderr]   |                ^^^^^ help: consider using `_input` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]  --> src/year2018/day15.rs:1:16
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn puzzle1(input: &str) -> i64 {
[INFO] [stderr]   |                ^^^^^ help: consider using `_input` instead
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]  --> src/year2018/day15.rs:5:16
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn puzzle2(input: &str) -> i64 {
[INFO] [stderr]   |                ^^^^^ help: consider using `_input` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]  --> src/year2018/day16.rs:1:16
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn puzzle1(input: &str) -> i64 {
[INFO] [stderr]   |                ^^^^^ help: consider using `_input` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]  --> src/year2018/day16.rs:5:16
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn puzzle2(input: &str) -> i64 {
[INFO] [stderr]   |                ^^^^^ help: consider using `_input` instead
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]   --> src/main.rs:50:14
[INFO] [stderr]    |
[INFO] [stderr] 50 |             .expect(&format!("failed to get input for {} day {}", year, day));
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("failed to get input for {} day {}", year))`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::expect_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:57:48
[INFO] [stderr]    |
[INFO] [stderr] 57 |             let time = time.as_secs() as f64 + time.subsec_nanos() as f64 * 1e-9;
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(time.subsec_nanos())`
[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: casting u32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/year2018/day04.rs:110:14
[INFO] [stderr]     |
[INFO] [stderr] 110 |     max_id * (max_min as i64)
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^ help: try: `i64::from(max_min)`
[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 u32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/year2018/day04.rs:130:14
[INFO] [stderr]     |
[INFO] [stderr] 130 |     max_id * (max_min as i64)
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^ help: try: `i64::from(max_min)`
[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: length comparison to zero
[INFO] [stderr]    --> src/client.rs:133:17
[INFO] [stderr]     |
[INFO] [stderr] 133 |         assert!(input.len() > 0);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!input.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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/year2018/day06.rs:20:23
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn manhattan_dist(&self, other: Vec2) -> usize {
[INFO] [stderr]    |                       ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/year2018/day06.rs:25:20
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn span_out<F>(&self, mut f: F)
[INFO] [stderr]    |                    ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]   --> src/main.rs:50:14
[INFO] [stderr]    |
[INFO] [stderr] 50 |             .expect(&format!("failed to get input for {} day {}", year, day));
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("failed to get input for {} day {}", year))`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::expect_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/year2018/day06.rs:64:22
[INFO] [stderr]    |
[INFO] [stderr] 64 |     fn sprawl_out<F>(&self, mut f: F)
[INFO] [stderr]    |                      ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:57:48
[INFO] [stderr]    |
[INFO] [stderr] 57 |             let time = time.as_secs() as f64 + time.subsec_nanos() as f64 * 1e-9;
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(time.subsec_nanos())`
[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: use of `or_insert` followed by a function call
[INFO] [stderr]   --> src/year2018/day07.rs:56:28
[INFO] [stderr]    |
[INFO] [stderr] 56 |             nodes.entry(n).or_insert(Node::new(n)).deps.insert(dep);
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_insert_with(|| Node::new(n))`
[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: use of `or_insert` followed by a function call
[INFO] [stderr]   --> src/year2018/day07.rs:57:30
[INFO] [stderr]    |
[INFO] [stderr] 57 |             nodes.entry(dep).or_insert(Node::new(dep)).ns.insert(n);
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_insert_with(|| Node::new(dep))`
[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: length comparison to zero
[INFO] [stderr]   --> src/year2018/day07.rs:72:12
[INFO] [stderr]    |
[INFO] [stderr] 72 |         if node.deps.len() != 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!node.deps.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: casting u32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/year2018/day04.rs:110:14
[INFO] [stderr]     |
[INFO] [stderr] 110 |     max_id * (max_min as i64)
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^ help: try: `i64::from(max_min)`
[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 u32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/year2018/day04.rs:130:14
[INFO] [stderr]     |
[INFO] [stderr] 130 |     max_id * (max_min as i64)
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^ help: try: `i64::from(max_min)`
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/year2018/day06.rs:20:23
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn manhattan_dist(&self, other: Vec2) -> usize {
[INFO] [stderr]    |                       ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/year2018/day06.rs:25:20
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn span_out<F>(&self, mut f: F)
[INFO] [stderr]    |                    ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/year2018/day06.rs:64:22
[INFO] [stderr]    |
[INFO] [stderr] 64 |     fn sprawl_out<F>(&self, mut f: F)
[INFO] [stderr]    |                      ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: usage of `contains_key` followed by `insert` on a `HashMap`
[INFO] [stderr]   --> src/year2018/day11.rs:63:17
[INFO] [stderr]    |
[INFO] [stderr] 63 | /                 if !self.powers.contains_key(&(x, y, s)) {
[INFO] [stderr] 64 | |                     self.powers.insert((x, y, s), self.power3(x, y));
[INFO] [stderr] 65 | |                 }
[INFO] [stderr]    | |_________________^ help: consider using: `self.powers.entry((x, y, s)).or_insert(self.power3(x, y))`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::map_entry)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_entry
[INFO] [stderr] 
[INFO] [stderr] warning: usage of `contains_key` followed by `insert` on a `HashMap`
[INFO] [stderr]   --> src/year2018/day11.rs:69:17
[INFO] [stderr]    |
[INFO] [stderr] 69 | /                 if !self.powers.contains_key(&(x, y, s)) {
[INFO] [stderr] 70 | |                     let mut p = self.power(x + 1, y + 1, s - 1);
[INFO] [stderr] 71 | |                     for i in 0..s {
[INFO] [stderr] 72 | |                         p += self.cells[xx + i][yy] + self.cells[xx][yy + i]
[INFO] [stderr] 73 | |                     }
[INFO] [stderr] 74 | |                     self.powers.insert((x, y, s), p);
[INFO] [stderr] 75 | |                 }
[INFO] [stderr]    | |_________________^ help: consider using: `self.powers.entry((x, y, s))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_entry
[INFO] [stderr] 
[INFO] [stderr] warning: this loop could be written as a `for` loop
[INFO] [stderr]    --> src/year2018/day12.rs:114:32
[INFO] [stderr]     |
[INFO] [stderr] 114 |         while let Some(line) = lines.next() {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: try: `for line in lines { .. }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::while_let_on_iterator)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_on_iterator
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or_insert` followed by a function call
[INFO] [stderr]   --> src/year2018/day07.rs:56:28
[INFO] [stderr]    |
[INFO] [stderr] 56 |             nodes.entry(n).or_insert(Node::new(n)).deps.insert(dep);
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_insert_with(|| Node::new(n))`
[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: use of `or_insert` followed by a function call
[INFO] [stderr]   --> src/year2018/day07.rs:57:30
[INFO] [stderr]    |
[INFO] [stderr] 57 |             nodes.entry(dep).or_insert(Node::new(dep)).ns.insert(n);
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_insert_with(|| Node::new(dep))`
[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: length comparison to zero
[INFO] [stderr]   --> src/year2018/day07.rs:72:12
[INFO] [stderr]    |
[INFO] [stderr] 72 |         if node.deps.len() != 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!node.deps.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `y` is used to index `tracks`
[INFO] [stderr]   --> src/year2018/day13.rs:47:18
[INFO] [stderr]    |
[INFO] [stderr] 47 |         for y in 0..tracks.len() {
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 47 |         for (y, <item>) in tracks.iter().enumerate() {
[INFO] [stderr]    |             ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/year2018/day13.rs:132:12
[INFO] [stderr]     |
[INFO] [stderr] 132 |         if collisions.len() > 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!collisions.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: usage of `contains_key` followed by `insert` on a `HashMap`
[INFO] [stderr]   --> src/year2018/day11.rs:63:17
[INFO] [stderr]    |
[INFO] [stderr] 63 | /                 if !self.powers.contains_key(&(x, y, s)) {
[INFO] [stderr] 64 | |                     self.powers.insert((x, y, s), self.power3(x, y));
[INFO] [stderr] 65 | |                 }
[INFO] [stderr]    | |_________________^ help: consider using: `self.powers.entry((x, y, s)).or_insert(self.power3(x, y))`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::map_entry)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_entry
[INFO] [stderr] 
[INFO] [stderr] warning: usage of `contains_key` followed by `insert` on a `HashMap`
[INFO] [stderr]   --> src/year2018/day11.rs:69:17
[INFO] [stderr]    |
[INFO] [stderr] 69 | /                 if !self.powers.contains_key(&(x, y, s)) {
[INFO] [stderr] 70 | |                     let mut p = self.power(x + 1, y + 1, s - 1);
[INFO] [stderr] 71 | |                     for i in 0..s {
[INFO] [stderr] 72 | |                         p += self.cells[xx + i][yy] + self.cells[xx][yy + i]
[INFO] [stderr] 73 | |                     }
[INFO] [stderr] 74 | |                     self.powers.insert((x, y, s), p);
[INFO] [stderr] 75 | |                 }
[INFO] [stderr]    | |_________________^ help: consider using: `self.powers.entry((x, y, s))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_entry
[INFO] [stderr] 
[INFO] [stderr] warning: this loop could be written as a `for` loop
[INFO] [stderr]    --> src/year2018/day12.rs:114:32
[INFO] [stderr]     |
[INFO] [stderr] 114 |         while let Some(line) = lines.next() {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: try: `for line in lines { .. }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::while_let_on_iterator)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_on_iterator
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `y` is used to index `tracks`
[INFO] [stderr]   --> src/year2018/day13.rs:47:18
[INFO] [stderr]    |
[INFO] [stderr] 47 |         for y in 0..tracks.len() {
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 47 |         for (y, <item>) in tracks.iter().enumerate() {
[INFO] [stderr]    |             ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/year2018/day13.rs:132:12
[INFO] [stderr]     |
[INFO] [stderr] 132 |         if collisions.len() > 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!collisions.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.37s
[INFO] running `"docker" "inspect" "aef5278fa492e3e3096fb80a73214f36c519694739dcd3bbb856960c4c13c9a0"`
[INFO] running `"docker" "rm" "-f" "aef5278fa492e3e3096fb80a73214f36c519694739dcd3bbb856960c4c13c9a0"`
[INFO] [stdout] aef5278fa492e3e3096fb80a73214f36c519694739dcd3bbb856960c4c13c9a0