[INFO] updating cached repository prakhar1989/advent-of-code-2018
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/prakhar1989/advent-of-code-2018
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/prakhar1989/advent-of-code-2018" "work/ex/clippy-test-run/sources/stable/gh/prakhar1989/advent-of-code-2018"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/prakhar1989/advent-of-code-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/prakhar1989/advent-of-code-2018" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/prakhar1989/advent-of-code-2018"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/prakhar1989/advent-of-code-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 801634031ea2197439c5778b6239b30f73406fc0
[INFO] sha for GitHub repo prakhar1989/advent-of-code-2018: 801634031ea2197439c5778b6239b30f73406fc0
[INFO] validating manifest of prakhar1989/advent-of-code-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 prakhar1989/advent-of-code-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 prakhar1989/advent-of-code-2018
[INFO] finished frobbing prakhar1989/advent-of-code-2018
[INFO] frobbed toml for prakhar1989/advent-of-code-2018 written to work/ex/clippy-test-run/sources/stable/gh/prakhar1989/advent-of-code-2018/Cargo.toml
[INFO] started frobbing prakhar1989/advent-of-code-2018
[INFO] finished frobbing prakhar1989/advent-of-code-2018
[INFO] frobbed toml for prakhar1989/advent-of-code-2018 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/prakhar1989/advent-of-code-2018/Cargo.toml
[INFO] crate prakhar1989/advent-of-code-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 prakhar1989/advent-of-code-2018 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/prakhar1989/advent-of-code-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] d93aeffc3b9d20255976f0a6947aa301a5daea170927b033a8ae929f41e3e8ab
[INFO] running `"docker" "start" "-a" "d93aeffc3b9d20255976f0a6947aa301a5daea170927b033a8ae929f41e3e8ab"`
[INFO] [stderr]     Checking md5 v0.6.0
[INFO] [stderr]     Checking toml v0.4.9
[INFO] [stderr]     Checking advent-of-code-2018 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]   --> src/day11.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |     let b = if (j as isize) - 1 >= 0 {
[INFO] [stderr]    |         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::many_single_char_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 6th binding whose name is just one char
[INFO] [stderr]    --> src/day11.rs:102:9
[INFO] [stderr]     |
[INFO] [stderr] 102 |     let c = if (i as isize) - 1 >= 0 {
[INFO] [stderr]     |         ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: called `skip(x).next()` on an iterator. This is more succinctly expressed by calling `nth(x)`
[INFO] [stderr]   --> src/scaffold.rs:24:15
[INFO] [stderr]    |
[INFO] [stderr] 24 |       let day = env::args()
[INFO] [stderr]    |  _______________^
[INFO] [stderr] 25 | |         .skip(1)
[INFO] [stderr] 26 | |         .next()
[INFO] [stderr]    | |_______________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::iter_skip_next)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_skip_next
[INFO] [stderr] 
[INFO] [stderr] warning: Unnecessary `>= y + 1` or `x - 1 >=`
[INFO] [stderr]   --> src/day11.rs:90:16
[INFO] [stderr]    |
[INFO] [stderr] 90 |     let a = if (i as isize) - 1 >= 0 && (j as isize) - 1 >= 0 {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::int_plus_one)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#int_plus_one
[INFO] [stderr] help: change `>= y + 1` to `> y` as shown
[INFO] [stderr]    |
[INFO] [stderr] 90 |     let a = if (i as isize) > 0 && (j as isize) - 1 >= 0 {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: Unnecessary `>= y + 1` or `x - 1 >=`
[INFO] [stderr]   --> src/day11.rs:90:41
[INFO] [stderr]    |
[INFO] [stderr] 90 |     let a = if (i as isize) - 1 >= 0 && (j as isize) - 1 >= 0 {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#int_plus_one
[INFO] [stderr] help: change `>= y + 1` to `> y` as shown
[INFO] [stderr]    |
[INFO] [stderr] 90 |     let a = if (i as isize) - 1 >= 0 && (j as isize) > 0 {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: Unnecessary `>= y + 1` or `x - 1 >=`
[INFO] [stderr]   --> src/day11.rs:96:16
[INFO] [stderr]    |
[INFO] [stderr] 96 |     let b = if (j as isize) - 1 >= 0 {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#int_plus_one
[INFO] [stderr] help: change `>= y + 1` to `> y` as shown
[INFO] [stderr]    |
[INFO] [stderr] 96 |     let b = if (j as isize) > 0 {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: Unnecessary `>= y + 1` or `x - 1 >=`
[INFO] [stderr]    --> src/day11.rs:102:16
[INFO] [stderr]     |
[INFO] [stderr] 102 |     let c = if (i as isize) - 1 >= 0 {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#int_plus_one
[INFO] [stderr] help: change `>= y + 1` to `> y` as shown
[INFO] [stderr]     |
[INFO] [stderr] 102 |     let c = if (i as isize) > 0 {
[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/day06.rs:35:34
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn closest_to(&self, points: &Vec<Point>) -> Option<usize> {
[INFO] [stderr]    |                                  ^^^^^^^^^^^ help: change this to: `&[Point]`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/day06.rs:52:38
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn total_distance(&self, points: &Vec<Point>) -> i32 {
[INFO] [stderr]    |                                      ^^^^^^^^^^^ help: change this to: `&[Point]`
[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/day06.rs:57:22
[INFO] [stderr]    |
[INFO] [stderr] 57 | fn grid_size(points: &Vec<Point>) -> (usize, usize, usize, usize) {
[INFO] [stderr]    |                      ^^^^^^^^^^^ help: change this to: `&[Point]`
[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/day06.rs:70:18
[INFO] [stderr]    |
[INFO] [stderr] 70 | fn part1(points: &Vec<Point>) -> usize {
[INFO] [stderr]    |                  ^^^^^^^^^^^ help: change this to: `&[Point]`
[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/day06.rs:106:18
[INFO] [stderr]     |
[INFO] [stderr] 106 | fn part2(points: &Vec<Point>, within_area: i32) -> usize {
[INFO] [stderr]     |                  ^^^^^^^^^^^ help: change this to: `&[Point]`
[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/day06.rs:35:34
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn closest_to(&self, points: &Vec<Point>) -> Option<usize> {
[INFO] [stderr]    |                                  ^^^^^^^^^^^ help: change this to: `&[Point]`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/day06.rs:52:38
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn total_distance(&self, points: &Vec<Point>) -> i32 {
[INFO] [stderr]    |                                      ^^^^^^^^^^^ help: change this to: `&[Point]`
[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/day06.rs:57:22
[INFO] [stderr]    |
[INFO] [stderr] 57 | fn grid_size(points: &Vec<Point>) -> (usize, usize, usize, usize) {
[INFO] [stderr]    |                      ^^^^^^^^^^^ help: change this to: `&[Point]`
[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/day06.rs:70:18
[INFO] [stderr]    |
[INFO] [stderr] 70 | fn part1(points: &Vec<Point>) -> usize {
[INFO] [stderr]    |                  ^^^^^^^^^^^ help: change this to: `&[Point]`
[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/day06.rs:106:18
[INFO] [stderr]     |
[INFO] [stderr] 106 | fn part2(points: &Vec<Point>, within_area: i32) -> usize {
[INFO] [stderr]     |                  ^^^^^^^^^^^ help: change this to: `&[Point]`
[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/day07.rs:34:16
[INFO] [stderr]    |
[INFO] [stderr] 34 | fn part1(deps: &Vec<Dep>) -> String {
[INFO] [stderr]    |                ^^^^^^^^^ help: change this to: `&[Dep]`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/day07.rs:52:27
[INFO] [stderr]    |
[INFO] [stderr] 52 | fn get_sorted_steps(deps: &Vec<Dep>) -> Vec<Step> {
[INFO] [stderr]    |                           ^^^^^^^^^ help: change this to: `&[Dep]`
[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/day07.rs:65:27
[INFO] [stderr]    |
[INFO] [stderr] 65 | fn unvisited_steps(steps: &Vec<Step>, deps: &Vec<Dep>, visited: &HashSet<Step>) -> Vec<Step> {
[INFO] [stderr]    |                           ^^^^^^^^^^ help: change this to: `&[Step]`
[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/day07.rs:65:45
[INFO] [stderr]    |
[INFO] [stderr] 65 | fn unvisited_steps(steps: &Vec<Step>, deps: &Vec<Dep>, visited: &HashSet<Step>) -> Vec<Step> {
[INFO] [stderr]    |                                             ^^^^^^^^^ help: change this to: `&[Dep]`
[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: called `skip(x).next()` on an iterator. This is more succinctly expressed by calling `nth(x)`
[INFO] [stderr]   --> src/scaffold.rs:24:15
[INFO] [stderr]    |
[INFO] [stderr] 24 |       let day = env::args()
[INFO] [stderr]    |  _______________^
[INFO] [stderr] 25 | |         .skip(1)
[INFO] [stderr] 26 | |         .next()
[INFO] [stderr]    | |_______________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::iter_skip_next)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_skip_next
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]   --> src/day07.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 | /     steps
[INFO] [stderr] 67 | |         .into_iter()
[INFO] [stderr] 68 | |         .filter(|id| !visited.contains(id)) // not yet visited
[INFO] [stderr] 69 | |         .filter(|id| {
[INFO] [stderr] ...  |
[INFO] [stderr] 74 | |         })
[INFO] [stderr] 75 | |         .map(|c| *c)
[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] 66 |     steps
[INFO] [stderr] 67 |         .into_iter()
[INFO] [stderr] 68 |         .filter(|id| !visited.contains(id)) // not yet visited
[INFO] [stderr] 69 |         .filter(|id| {
[INFO] [stderr] 70 |             // all deps have been visited
[INFO] [stderr] 71 |             deps.iter()
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the Vec
[INFO] [stderr]   --> src/day07.rs:67:10
[INFO] [stderr]    |
[INFO] [stderr] 67 |         .into_iter()
[INFO] [stderr]    |          ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::into_iter_on_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]   --> src/matrix.rs:93:9
[INFO] [stderr]    |
[INFO] [stderr] 93 |         assert_eq!(m[(1, 1)], 4.0);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::float_cmp)] on by default
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]   --> src/matrix.rs:93:9
[INFO] [stderr]    |
[INFO] [stderr] 93 |         assert_eq!(m[(1, 1)], 4.0);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[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] error: strict comparison of f32 or f64
[INFO] [stderr]   --> src/matrix.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |         assert_eq!(m[(0, 0)], 33.0);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]   --> src/matrix.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |         assert_eq!(m[(0, 0)], 33.0);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[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] error: strict comparison of f32 or f64
[INFO] [stderr]   --> src/matrix.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 |         assert_eq!(m[(1, 0)], 22.0);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]   --> src/matrix.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 |         assert_eq!(m[(1, 0)], 22.0);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[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] error: strict comparison of f32 or f64
[INFO] [stderr]   --> src/matrix.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |         assert_eq!(m[(1, 2)], 11.0);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]   --> src/matrix.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |         assert_eq!(m[(1, 2)], 11.0);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[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 `.fold` can be written more succinctly using another method
[INFO] [stderr]    --> src/matrix.rs:111:41
[INFO] [stderr]     |
[INFO] [stderr] 111 |               .flat_map(|r| r.into_iter())
[INFO] [stderr]     |  _________________________________________^
[INFO] [stderr] 112 | |             .fold(0, |acc, val| acc + val);
[INFO] [stderr]     | |__________________________________________^ help: try: `.sum()`
[INFO] [stderr]     |
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]   --> src/matrix.rs:93:9
[INFO] [stderr]    |
[INFO] [stderr] 93 |         assert_eq!(m[(1, 1)], 4.0);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::float_cmp)] on by default
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]   --> src/matrix.rs:93:9
[INFO] [stderr]    |
[INFO] [stderr] 93 |         assert_eq!(m[(1, 1)], 4.0);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[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]     = note: #[warn(clippy::unnecessary_fold)] on by default
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]   --> src/matrix.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |         assert_eq!(m[(0, 0)], 33.0);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]   --> src/matrix.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |         assert_eq!(m[(0, 0)], 33.0);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[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]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]   --> src/matrix.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 |         assert_eq!(m[(1, 0)], 22.0);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]   --> src/matrix.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 |         assert_eq!(m[(1, 0)], 22.0);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[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] error: strict comparison of f32 or f64
[INFO] [stderr]   --> src/matrix.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |         assert_eq!(m[(1, 2)], 11.0);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]   --> src/matrix.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |         assert_eq!(m[(1, 2)], 11.0);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[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: useless use of `format!`
[INFO] [stderr]   --> src/day03.rs:32:51
[INFO] [stderr]    |
[INFO] [stderr] 32 |             None => return Err(Box::<Error>::from(format!("invalid format for claim"))),
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"invalid format for claim".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] 
[INFO] [stderr] warning: this `.fold` can be written more succinctly using another method
[INFO] [stderr]    --> src/matrix.rs:111:41
[INFO] [stderr]     |
[INFO] [stderr] 111 |               .flat_map(|r| r.into_iter())
[INFO] [stderr]     |  _________________________________________^
[INFO] [stderr] 112 | |             .fold(0, |acc, val| acc + val);
[INFO] [stderr]     | |__________________________________________^ help: try: `.sum()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unnecessary_fold)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold
[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/day03.rs:54:23
[INFO] [stderr]    |
[INFO] [stderr] 54 | fn build_grid(claims: &Vec<Claim>) -> matrix::Matrix<u32> {
[INFO] [stderr]    |                       ^^^^^^^^^^^ help: change this to: `&[Claim]`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/day03.rs:68:18
[INFO] [stderr]    |
[INFO] [stderr] 68 | fn part1(claims: &Vec<Claim>) -> u32 {
[INFO] [stderr]    |                  ^^^^^^^^^^^ help: change this to: `&[Claim]`
[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/day03.rs:76:18
[INFO] [stderr]    |
[INFO] [stderr] 76 | fn part2(claims: &Vec<Claim>) -> Option<u32> {
[INFO] [stderr]    |                  ^^^^^^^^^^^ help: change this to: `&[Claim]`
[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] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `advent-of-code-2018`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `advent-of-code-2018`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]  --> src/day14.rs:2:34
[INFO] [stderr]   |
[INFO] [stderr] 2 |     println!("Part 1: {}", part1(290431));
[INFO] [stderr]   |                                  ^^^^^^ help: consider: `290_431`
[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: this if statement can be collapsed
[INFO] [stderr]   --> src/day14.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 | /             if recipies.len() - offset >= target.len() {
[INFO] [stderr] 35 | |                 if &recipies[recipies.len() - target.len() - offset..recipies.len() - offset]
[INFO] [stderr] 36 | |                     == target
[INFO] [stderr] 37 | |                 {
[INFO] [stderr] 38 | |                     return recipies.len() - target.len() - offset;
[INFO] [stderr] 39 | |                 }
[INFO] [stderr] 40 | |             }
[INFO] [stderr]    | |_____________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 34 |             if recipies.len() - offset >= target.len() && &recipies[recipies.len() - target.len() - offset..recipies.len() - offset]
[INFO] [stderr] 35 |                     == target {
[INFO] [stderr] 36 |     return recipies.len() - target.len() - offset;
[INFO] [stderr] 37 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/day14.rs:71:26
[INFO] [stderr]    |
[INFO] [stderr] 71 |         assert_eq!(part1(290431), "1776718175".to_string());
[INFO] [stderr]    |                          ^^^^^^ help: consider: `290_431`
[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: this `else { if .. }` block can be collapsed
[INFO] [stderr]   --> src/day05.rs:14:16
[INFO] [stderr]    |
[INFO] [stderr] 14 |           } else {
[INFO] [stderr]    |  ________________^
[INFO] [stderr] 15 | |             if let Some(v) = stack.pop() {
[INFO] [stderr] 16 | |                 if !(v != c && c.to_ascii_uppercase() == v.to_ascii_uppercase()) {
[INFO] [stderr] 17 | |                     stack.push(v);
[INFO] [stderr] ...  |
[INFO] [stderr] 20 | |             }
[INFO] [stderr] 21 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 14 |         } else if let Some(v) = stack.pop() {
[INFO] [stderr] 15 |     if !(v != c && c.to_ascii_uppercase() == v.to_ascii_uppercase()) {
[INFO] [stderr] 16 |         stack.push(v);
[INFO] [stderr] 17 |         stack.push(c);
[INFO] [stderr] 18 |     }
[INFO] [stderr] 19 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the slice
[INFO] [stderr]   --> src/day14.rs:18:10
[INFO] [stderr]    |
[INFO] [stderr] 18 |         .into_iter()
[INFO] [stderr]    |          ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::into_iter_on_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/day14.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |         number = number / 10;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `number /= 10`
[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: long literal lacking separators
[INFO] [stderr]  --> src/day14.rs:2:34
[INFO] [stderr]   |
[INFO] [stderr] 2 |     println!("Part 1: {}", part1(290431));
[INFO] [stderr]   |                                  ^^^^^^ help: consider: `290_431`
[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: this if statement can be collapsed
[INFO] [stderr]   --> src/day14.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 | /             if recipies.len() - offset >= target.len() {
[INFO] [stderr] 35 | |                 if &recipies[recipies.len() - target.len() - offset..recipies.len() - offset]
[INFO] [stderr] 36 | |                     == target
[INFO] [stderr] 37 | |                 {
[INFO] [stderr] 38 | |                     return recipies.len() - target.len() - offset;
[INFO] [stderr] 39 | |                 }
[INFO] [stderr] 40 | |             }
[INFO] [stderr]    | |_____________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 34 |             if recipies.len() - offset >= target.len() && &recipies[recipies.len() - target.len() - offset..recipies.len() - offset]
[INFO] [stderr] 35 |                     == target {
[INFO] [stderr] 36 |     return recipies.len() - target.len() - offset;
[INFO] [stderr] 37 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]   --> src/day14.rs:76:26
[INFO] [stderr]    |
[INFO] [stderr] 76 |         assert_eq!(part2(&vec![5, 1, 5, 8, 9]), 9);
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&[5, 1, 5, 8, 9]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::useless_vec)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]   --> src/day14.rs:77:26
[INFO] [stderr]    |
[INFO] [stderr] 77 |         assert_eq!(part2(&vec![0, 1, 2, 4, 5]), 5);
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&[0, 1, 2, 4, 5]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]   --> src/day14.rs:78:26
[INFO] [stderr]    |
[INFO] [stderr] 78 |         assert_eq!(part2(&vec![9, 2, 5, 1, 0]), 18);
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&[9, 2, 5, 1, 0]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]   --> src/day14.rs:79:26
[INFO] [stderr]    |
[INFO] [stderr] 79 |         assert_eq!(part2(&vec![5, 9, 4, 1, 4]), 2018);
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&[5, 9, 4, 1, 4]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the slice
[INFO] [stderr]   --> src/day14.rs:18:10
[INFO] [stderr]    |
[INFO] [stderr] 18 |         .into_iter()
[INFO] [stderr]    |          ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::into_iter_on_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/day14.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |         number = number / 10;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `number /= 10`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/day02.rs:15:17
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn part1(words: &Vec<&str>) -> usize {
[INFO] [stderr]    |                 ^^^^^^^^^^ help: change this to: `&[&str]`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/day02.rs:23:17
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn part2(words: &Vec<&str>) -> Option<String> {
[INFO] [stderr]    |                 ^^^^^^^^^^ help: change this to: `&[&str]`
[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/day10.rs:38:24
[INFO] [stderr]    |
[INFO] [stderr] 38 | fn tick_points(points: &Vec<Point>, time: i32) -> Vec<Point> {
[INFO] [stderr]    |                        ^^^^^^^^^^^ help: change this to: `&[Point]`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/day10.rs:51:25
[INFO] [stderr]    |
[INFO] [stderr] 51 | fn area_of_grid(points: &Vec<Point>) -> i64 {
[INFO] [stderr]    |                         ^^^^^^^^^^^ help: change this to: `&[Point]`
[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: casting i32 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/day10.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     (ymax - ymin) as i64 * (xmax - xmin) as i64
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(ymax - ymin)`
[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 i32 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/day10.rs:54:28
[INFO] [stderr]    |
[INFO] [stderr] 54 |     (ymax - ymin) as i64 * (xmax - xmin) as i64
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(xmax - xmin)`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/day10.rs:57:22
[INFO] [stderr]    |
[INFO] [stderr] 57 | fn draw_grid(points: &Vec<Point>) -> String {
[INFO] [stderr]    |                      ^^^^^^^^^^^ help: change this to: `&[Point]`
[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/day10.rs:78:22
[INFO] [stderr]    |
[INFO] [stderr] 78 | fn grid_size(points: &Vec<Point>) -> (Vector, Vector) {
[INFO] [stderr]    |                      ^^^^^^^^^^^ help: change this to: `&[Point]`
[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] error: strict comparison of f32 or f64
[INFO] [stderr]   --> src/matrix.rs:93:9
[INFO] [stderr]    |
[INFO] [stderr] 93 |         assert_eq!(m[(1, 1)], 4.0);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::float_cmp)] on by default
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]   --> src/matrix.rs:93:9
[INFO] [stderr]    |
[INFO] [stderr] 93 |         assert_eq!(m[(1, 1)], 4.0);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[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] error: strict comparison of f32 or f64
[INFO] [stderr]   --> src/matrix.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |         assert_eq!(m[(0, 0)], 33.0);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]   --> src/matrix.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |         assert_eq!(m[(0, 0)], 33.0);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[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] error: strict comparison of f32 or f64
[INFO] [stderr]   --> src/matrix.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 |         assert_eq!(m[(1, 0)], 22.0);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]   --> src/matrix.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 |         assert_eq!(m[(1, 0)], 22.0);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[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] error: strict comparison of f32 or f64
[INFO] [stderr]   --> src/matrix.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |         assert_eq!(m[(1, 2)], 11.0);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]   --> src/matrix.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |         assert_eq!(m[(1, 2)], 11.0);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[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 `.fold` can be written more succinctly using another method
[INFO] [stderr]    --> src/matrix.rs:111:41
[INFO] [stderr]     |
[INFO] [stderr] 111 |               .flat_map(|r| r.into_iter())
[INFO] [stderr]     |  _________________________________________^
[INFO] [stderr] 112 | |             .fold(0, |acc, val| acc + val);
[INFO] [stderr]     | |__________________________________________^ help: try: `.sum()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unnecessary_fold)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold
[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/day10.rs:38:24
[INFO] [stderr]    |
[INFO] [stderr] 38 | fn tick_points(points: &Vec<Point>, time: i32) -> Vec<Point> {
[INFO] [stderr]    |                        ^^^^^^^^^^^ help: change this to: `&[Point]`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/day10.rs:51:25
[INFO] [stderr]    |
[INFO] [stderr] 51 | fn area_of_grid(points: &Vec<Point>) -> i64 {
[INFO] [stderr]    |                         ^^^^^^^^^^^ help: change this to: `&[Point]`
[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: casting i32 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/day10.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     (ymax - ymin) as i64 * (xmax - xmin) as i64
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(ymax - ymin)`
[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 i32 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/day10.rs:54:28
[INFO] [stderr]    |
[INFO] [stderr] 54 |     (ymax - ymin) as i64 * (xmax - xmin) as i64
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(xmax - xmin)`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/day10.rs:57:22
[INFO] [stderr]    |
[INFO] [stderr] 57 | fn draw_grid(points: &Vec<Point>) -> String {
[INFO] [stderr]    |                      ^^^^^^^^^^^ help: change this to: `&[Point]`
[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/day10.rs:78:22
[INFO] [stderr]    |
[INFO] [stderr] 78 | fn grid_size(points: &Vec<Point>) -> (Vector, Vector) {
[INFO] [stderr]    |                      ^^^^^^^^^^^ help: change this to: `&[Point]`
[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] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `advent-of-code-2018`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d93aeffc3b9d20255976f0a6947aa301a5daea170927b033a8ae929f41e3e8ab"`
[INFO] running `"docker" "rm" "-f" "d93aeffc3b9d20255976f0a6947aa301a5daea170927b033a8ae929f41e3e8ab"`
[INFO] [stdout] d93aeffc3b9d20255976f0a6947aa301a5daea170927b033a8ae929f41e3e8ab