[INFO] updating cached repository arionkrause/advent-of-code-2017
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/arionkrause/advent-of-code-2017
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/arionkrause/advent-of-code-2017" "work/ex/clippy-test-run/sources/stable/gh/arionkrause/advent-of-code-2017"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/arionkrause/advent-of-code-2017'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/arionkrause/advent-of-code-2017" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/arionkrause/advent-of-code-2017"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/arionkrause/advent-of-code-2017'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 57c7aec8ee3b040aae37cb8d4362d018d6557244
[INFO] sha for GitHub repo arionkrause/advent-of-code-2017: 57c7aec8ee3b040aae37cb8d4362d018d6557244
[INFO] validating manifest of arionkrause/advent-of-code-2017 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 arionkrause/advent-of-code-2017 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 arionkrause/advent-of-code-2017
[INFO] finished frobbing arionkrause/advent-of-code-2017
[INFO] frobbed toml for arionkrause/advent-of-code-2017 written to work/ex/clippy-test-run/sources/stable/gh/arionkrause/advent-of-code-2017/Cargo.toml
[INFO] started frobbing arionkrause/advent-of-code-2017
[INFO] finished frobbing arionkrause/advent-of-code-2017
[INFO] frobbed toml for arionkrause/advent-of-code-2017 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/arionkrause/advent-of-code-2017/Cargo.toml
[INFO] crate arionkrause/advent-of-code-2017 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 arionkrause/advent-of-code-2017 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/arionkrause/advent-of-code-2017:/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] f365e07c9caa40e3953ed6d6d02bfec21c95ece7f32104dd2079d740b0431091
[INFO] running `"docker" "start" "-a" "f365e07c9caa40e3953ed6d6d02bfec21c95ece7f32104dd2079d740b0431091"`
[INFO] [stderr]     Checking advent-of-code-2017 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/main.rs:41:23
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let day3_number = 265149;
[INFO] [stderr]    |                       ^^^^^^ help: consider: `265_149`
[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:41:23
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let day3_number = 265149;
[INFO] [stderr]    |                       ^^^^^^ help: consider: `265_149`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]  --> src/day2/part1/mod.rs:1:27
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn solve(spreadsheet: &Vec<usize>, column_amount: usize) -> usize {
[INFO] [stderr]   |                           ^^^^^^^^^^^ help: change this to: `&[usize]`
[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: this loop could be written as a `for` loop
[INFO] [stderr]  --> src/day2/part1/mod.rs:5:29
[INFO] [stderr]   |
[INFO] [stderr] 5 |     while let Some(chunk) = chunks.next() {
[INFO] [stderr]   |                             ^^^^^^^^^^^^^ help: try: `for chunk in chunks { .. }`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]  --> src/day2/part2/mod.rs:1:27
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn solve(spreadsheet: &Vec<usize>, column_amount: usize) -> usize {
[INFO] [stderr]   |                           ^^^^^^^^^^^ help: change this to: `&[usize]`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: this loop could be written as a `for` loop
[INFO] [stderr]  --> src/day2/part2/mod.rs:5:29
[INFO] [stderr]   |
[INFO] [stderr] 5 |     while let Some(chunk) = chunks.next() {
[INFO] [stderr]   |                             ^^^^^^^^^^^^^ help: try: `for chunk in chunks { .. }`
[INFO] [stderr]   |
[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: needlessly taken reference of both operands
[INFO] [stderr]   --> src/day2/part2/mod.rs:14:30
[INFO] [stderr]    |
[INFO] [stderr] 14 |                     total += &chunk[index2] / &chunk[index1];
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::op_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] help: use the values directly
[INFO] [stderr]    |
[INFO] [stderr] 14 |                     total += chunk[index2] / chunk[index1];
[INFO] [stderr]    |                              ^^^^^^^^^^^^^   ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `arm_length`
[INFO] [stderr]   --> src/day3/part2/mod.rs:27:27
[INFO] [stderr]    |
[INFO] [stderr] 27 |                 if step < arm_length * 1 {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_op)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[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/day3/part2/mod.rs:63:40
[INFO] [stderr]    |
[INFO] [stderr] 63 | fn sum_of_surrounding_elements(matrix: &Vec<Vec<usize>>, side_size: usize, current_point_x: usize, current_point_y: usize) -> usize {
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^^ help: change this to: `&[Vec<usize>]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[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/day3/part2/mod.rs:103:25
[INFO] [stderr]     |
[INFO] [stderr] 103 | fn print_spiral(matrix: &Vec<Vec<usize>>) {
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^ help: change this to: `&[Vec<usize>]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: in an 'if' condition, avoid complex blocks or closures with blocks; instead, move the block or closure higher and bind it with a 'let'
[INFO] [stderr]   --> src/day4/part2/mod.rs:12:44
[INFO] [stderr]    |
[INFO] [stderr] 12 |           if input.split(' ').filter(|word2| {
[INFO] [stderr]    |  ____________________________________________^
[INFO] [stderr] 13 | |             let mut ordered_characters2: Vec<char> = word2.chars().collect();
[INFO] [stderr] 14 | |             ordered_characters2.sort_by(|a, b| b.cmp(a));
[INFO] [stderr] 15 | |             ordered_characters2 == ordered_characters
[INFO] [stderr] 16 | |         }).count() > 1 {
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::block_in_if_condition_stmt)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#block_in_if_condition_stmt
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/day5/part1/mod.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |         jump_list[current_index] = jump_list[current_index] + 1;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `jump_list[current_index] += 1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/day5/part2/mod.rs:15:13
[INFO] [stderr]    |
[INFO] [stderr] 15 |             jump_list[current_index] = jump_list[current_index] - 1;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `jump_list[current_index] -= 1`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/day5/part2/mod.rs:17:13
[INFO] [stderr]    |
[INFO] [stderr] 17 |             jump_list[current_index] = jump_list[current_index] + 1;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `jump_list[current_index] += 1`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/day6/part1/mod.rs:39:17
[INFO] [stderr]    |
[INFO] [stderr] 39 |     input.split("\t").map(|bank| bank.parse::<usize>().unwrap()).collect()
[INFO] [stderr]    |                 ^^^^ help: try using a char instead: `'\t'`
[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/day6/part2/mod.rs:48:17
[INFO] [stderr]    |
[INFO] [stderr] 48 |     input.split("\t").map(|bank| bank.parse::<usize>().unwrap()).collect()
[INFO] [stderr]    |                 ^^^^ help: try using a char instead: `'\t'`
[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: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:24:58
[INFO] [stderr]    |
[INFO] [stderr] 24 |     println!("Duration: {} ms", after.as_secs() * 1000 + (after.subsec_nanos() / 1_000_000) as u64);
[INFO] [stderr]    |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(after.subsec_nanos() / 1_000_000)`
[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: Calling `subsec_millis()` is more concise than this calculation
[INFO] [stderr]   --> src/main.rs:24:58
[INFO] [stderr]    |
[INFO] [stderr] 24 |     println!("Duration: {} ms", after.as_secs() * 1000 + (after.subsec_nanos() / 1_000_000) as u64);
[INFO] [stderr]    |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `after.subsec_millis()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::duration_subsec)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#duration_subsec
[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/day2/part1/mod.rs:1:27
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn solve(spreadsheet: &Vec<usize>, column_amount: usize) -> usize {
[INFO] [stderr]   |                           ^^^^^^^^^^^ help: change this to: `&[usize]`
[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: this loop could be written as a `for` loop
[INFO] [stderr]  --> src/day2/part1/mod.rs:5:29
[INFO] [stderr]   |
[INFO] [stderr] 5 |     while let Some(chunk) = chunks.next() {
[INFO] [stderr]   |                             ^^^^^^^^^^^^^ help: try: `for chunk in chunks { .. }`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]  --> src/day2/part2/mod.rs:1:27
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn solve(spreadsheet: &Vec<usize>, column_amount: usize) -> usize {
[INFO] [stderr]   |                           ^^^^^^^^^^^ help: change this to: `&[usize]`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: this loop could be written as a `for` loop
[INFO] [stderr]  --> src/day2/part2/mod.rs:5:29
[INFO] [stderr]   |
[INFO] [stderr] 5 |     while let Some(chunk) = chunks.next() {
[INFO] [stderr]   |                             ^^^^^^^^^^^^^ help: try: `for chunk in chunks { .. }`
[INFO] [stderr]   |
[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: needlessly taken reference of both operands
[INFO] [stderr]   --> src/day2/part2/mod.rs:14:30
[INFO] [stderr]    |
[INFO] [stderr] 14 |                     total += &chunk[index2] / &chunk[index1];
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::op_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] help: use the values directly
[INFO] [stderr]    |
[INFO] [stderr] 14 |                     total += chunk[index2] / chunk[index1];
[INFO] [stderr]    |                              ^^^^^^^^^^^^^   ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `arm_length`
[INFO] [stderr]   --> src/day3/part2/mod.rs:27:27
[INFO] [stderr]    |
[INFO] [stderr] 27 |                 if step < arm_length * 1 {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_op)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[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/day3/part2/mod.rs:63:40
[INFO] [stderr]    |
[INFO] [stderr] 63 | fn sum_of_surrounding_elements(matrix: &Vec<Vec<usize>>, side_size: usize, current_point_x: usize, current_point_y: usize) -> usize {
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^^ help: change this to: `&[Vec<usize>]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[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/day3/part2/mod.rs:103:25
[INFO] [stderr]     |
[INFO] [stderr] 103 | fn print_spiral(matrix: &Vec<Vec<usize>>) {
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^ help: change this to: `&[Vec<usize>]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: in an 'if' condition, avoid complex blocks or closures with blocks; instead, move the block or closure higher and bind it with a 'let'
[INFO] [stderr]   --> src/day4/part2/mod.rs:12:44
[INFO] [stderr]    |
[INFO] [stderr] 12 |           if input.split(' ').filter(|word2| {
[INFO] [stderr]    |  ____________________________________________^
[INFO] [stderr] 13 | |             let mut ordered_characters2: Vec<char> = word2.chars().collect();
[INFO] [stderr] 14 | |             ordered_characters2.sort_by(|a, b| b.cmp(a));
[INFO] [stderr] 15 | |             ordered_characters2 == ordered_characters
[INFO] [stderr] 16 | |         }).count() > 1 {
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::block_in_if_condition_stmt)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#block_in_if_condition_stmt
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/day5/part1/mod.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |         jump_list[current_index] = jump_list[current_index] + 1;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `jump_list[current_index] += 1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/day5/part2/mod.rs:15:13
[INFO] [stderr]    |
[INFO] [stderr] 15 |             jump_list[current_index] = jump_list[current_index] - 1;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `jump_list[current_index] -= 1`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/day5/part2/mod.rs:17:13
[INFO] [stderr]    |
[INFO] [stderr] 17 |             jump_list[current_index] = jump_list[current_index] + 1;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `jump_list[current_index] += 1`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/day6/part1/mod.rs:39:17
[INFO] [stderr]    |
[INFO] [stderr] 39 |     input.split("\t").map(|bank| bank.parse::<usize>().unwrap()).collect()
[INFO] [stderr]    |                 ^^^^ help: try using a char instead: `'\t'`
[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/day6/part2/mod.rs:48:17
[INFO] [stderr]    |
[INFO] [stderr] 48 |     input.split("\t").map(|bank| bank.parse::<usize>().unwrap()).collect()
[INFO] [stderr]    |                 ^^^^ help: try using a char instead: `'\t'`
[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: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:24:58
[INFO] [stderr]    |
[INFO] [stderr] 24 |     println!("Duration: {} ms", after.as_secs() * 1000 + (after.subsec_nanos() / 1_000_000) as u64);
[INFO] [stderr]    |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(after.subsec_nanos() / 1_000_000)`
[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: Calling `subsec_millis()` is more concise than this calculation
[INFO] [stderr]   --> src/main.rs:24:58
[INFO] [stderr]    |
[INFO] [stderr] 24 |     println!("Duration: {} ms", after.as_secs() * 1000 + (after.subsec_nanos() / 1_000_000) as u64);
[INFO] [stderr]    |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `after.subsec_millis()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::duration_subsec)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#duration_subsec
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `"docker" "inspect" "f365e07c9caa40e3953ed6d6d02bfec21c95ece7f32104dd2079d740b0431091"`
[INFO] running `"docker" "rm" "-f" "f365e07c9caa40e3953ed6d6d02bfec21c95ece7f32104dd2079d740b0431091"`
[INFO] [stdout] f365e07c9caa40e3953ed6d6d02bfec21c95ece7f32104dd2079d740b0431091