[INFO] updating cached repository shaurya0/advent_of_code_2018
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/shaurya0/advent_of_code_2018
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/shaurya0/advent_of_code_2018" "work/ex/clippy-test-run/sources/stable/gh/shaurya0/advent_of_code_2018"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/shaurya0/advent_of_code_2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/shaurya0/advent_of_code_2018" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/shaurya0/advent_of_code_2018"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/shaurya0/advent_of_code_2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7f27725d199b1b51d6954cf60745e41ad664980b
[INFO] sha for GitHub repo shaurya0/advent_of_code_2018: 7f27725d199b1b51d6954cf60745e41ad664980b
[INFO] validating manifest of shaurya0/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 shaurya0/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 shaurya0/advent_of_code_2018
[INFO] finished frobbing shaurya0/advent_of_code_2018
[INFO] frobbed toml for shaurya0/advent_of_code_2018 written to work/ex/clippy-test-run/sources/stable/gh/shaurya0/advent_of_code_2018/Cargo.toml
[INFO] started frobbing shaurya0/advent_of_code_2018
[INFO] finished frobbing shaurya0/advent_of_code_2018
[INFO] frobbed toml for shaurya0/advent_of_code_2018 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/shaurya0/advent_of_code_2018/Cargo.toml
[INFO] crate shaurya0/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 shaurya0/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-6/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/shaurya0/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] 210b1930ad780807279fadb92c7e2eeb41cd87dd870114f11ef8be981cd6cd87
[INFO] running `"docker" "start" "-a" "210b1930ad780807279fadb92c7e2eeb41cd87dd870114f11ef8be981cd6cd87"`
[INFO] [stderr]     Checking advent_of_code v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]    --> src/day3/day3.rs:133:9
[INFO] [stderr]     |
[INFO] [stderr] 133 |         println!("");
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::println_empty_string)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]    --> src/day3/day3.rs:133:9
[INFO] [stderr]     |
[INFO] [stderr] 133 |         println!("");
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::println_empty_string)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/day2/day2.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     return array;
[INFO] [stderr]    |     ^^^^^^^^^^^^^ help: remove `return` as shown: `array`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Duration`, `NaiveDate`
[INFO] [stderr]  --> src/day4/day4.rs:8:29
[INFO] [stderr]   |
[INFO] [stderr] 8 | use chrono::{NaiveDateTime, NaiveDate, NaiveTime, Duration, Timelike};
[INFO] [stderr]   |                             ^^^^^^^^^             ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/day4/day4.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     return log_messages;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `log_messages`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Duration`, `NaiveDate`
[INFO] [stderr]  --> src/day4/day4.rs:8:29
[INFO] [stderr]   |
[INFO] [stderr] 8 | use chrono::{NaiveDateTime, NaiveDate, NaiveTime, Duration, Timelike};
[INFO] [stderr]   |                             ^^^^^^^^^             ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/day4/day4.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     return log_messages;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `log_messages`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]  --> src/day2/day2.rs:8:21
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn char_count(line: &String) -> [i32; 26] {
[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/day2/day2.rs:19:17
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn part1(lines: &Vec<String>) {
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: change this to: `&[String]`
[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: equality checks against false can be replaced by a negation
[INFO] [stderr]   --> src/day2/day2.rs:27:29
[INFO] [stderr]    |
[INFO] [stderr] 27 |             if *val == 2 && two_found == false {
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^ help: try simplifying it as shown: `!two_found`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::bool_comparison)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stderr] 
[INFO] [stderr] warning: equality checks against false can be replaced by a negation
[INFO] [stderr]   --> src/day2/day2.rs:31:29
[INFO] [stderr]    |
[INFO] [stderr] 31 |             if *val == 3 && three_found == false {
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^ help: try simplifying it as shown: `!three_found`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[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/day2.rs:41:17
[INFO] [stderr]    |
[INFO] [stderr] 41 | fn part2(lines: &Vec<String>) {
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: change this to: `&[String]`
[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: unused variable: `guard_sleep_time`
[INFO] [stderr]   --> src/day4/day4.rs:97:13
[INFO] [stderr]    |
[INFO] [stderr] 97 |     let mut guard_sleep_time: HashMap<u32, i64>
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: consider using `_guard_sleep_time` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `timestamp`
[INFO] [stderr]    --> src/day4/day4.rs:115:17
[INFO] [stderr]     |
[INFO] [stderr] 115 |             let timestamp = message.timestamp;
[INFO] [stderr]     |                 ^^^^^^^^^ help: consider using `_timestamp` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `guard_sleep_time`
[INFO] [stderr]   --> src/day4/day4.rs:97:13
[INFO] [stderr]    |
[INFO] [stderr] 97 |     let mut guard_sleep_time: HashMap<u32, i64>
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: consider using `_guard_sleep_time` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `timestamp`
[INFO] [stderr]    --> src/day4/day4.rs:115:17
[INFO] [stderr]     |
[INFO] [stderr] 115 |             let timestamp = message.timestamp;
[INFO] [stderr]     |                 ^^^^^^^^^ help: consider using `_timestamp` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day4/day4.rs:97:9
[INFO] [stderr]    |
[INFO] [stderr] 97 |     let mut guard_sleep_time: HashMap<u32, i64>
[INFO] [stderr]    |         ----^^^^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `TimestampedMessage`
[INFO] [stderr]   --> src/day4/day4.rs:26:1
[INFO] [stderr]    |
[INFO] [stderr] 26 | struct TimestampedMessage {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[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/day4/day4.rs:31:33
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn parse_log_messages(messages: &Vec<String>) -> Vec<LogMessage> {
[INFO] [stderr]    |                                 ^^^^^^^^^^^^ help: change this to: `&[String]`
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/day4/day4.rs:97:9
[INFO] [stderr]    |
[INFO] [stderr] 97 |     let mut guard_sleep_time: HashMap<u32, i64>
[INFO] [stderr]    |         ----^^^^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `count`
[INFO] [stderr]   --> src/day3/day3.rs:86:22
[INFO] [stderr]    |
[INFO] [stderr] 86 |                 Some(count) => unclaimed = true,
[INFO] [stderr]    |                      ^^^^^ help: consider using `_count` instead
[INFO] [stderr] warning: struct is never constructed: `TimestampedMessage`
[INFO] [stderr]   --> src/day4/day4.rs:26:1
[INFO] [stderr]    |
[INFO] [stderr] 26 | struct TimestampedMessage {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[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/day4/day4.rs:31:33
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn parse_log_messages(messages: &Vec<String>) -> Vec<LogMessage> {
[INFO] [stderr]    |                                 ^^^^^^^^^^^^ help: change this to: `&[String]`
[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]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `count`
[INFO] [stderr]    --> src/day3/day3.rs:129:23
[INFO] [stderr]     |
[INFO] [stderr] 129 |                 Some(&count) => print!("#"),
[INFO] [stderr]     |                       ^^^^^ help: consider using `_count` instead
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `draw_grid`
[INFO] [stderr]    --> src/day3/day3.rs:120:1
[INFO] [stderr]     |
[INFO] [stderr] 120 | fn draw_grid(grid_description: &HashMap<Point, i32>, nx: u32, ny: u32){
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: this `.fold` can be written more succinctly using another method
[INFO] [stderr]    --> src/day4/day4.rs:134:32
[INFO] [stderr]     |
[INFO] [stderr] 134 |         let sum = counts.iter().fold(0,|a, &b| a + b);
[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 `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/day3/day3.rs:31:20
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn to_claim(claim: &String) -> Claim {
[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 `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/day3/day3.rs:71:66
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn check_claim(grid_description: &HashMap<Point, Count>, claim : &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: equality checks against false can be replaced by a negation
[INFO] [stderr]   --> src/day3/day3.rs:89:16
[INFO] [stderr]    |
[INFO] [stderr] 89 |             if unclaimed == false{
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^ help: try simplifying it as shown: `!unclaimed`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::bool_comparison)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/day3/day3.rs:100:70
[INFO] [stderr]     |
[INFO] [stderr] 100 | fn update_grid(grid_description: &mut HashMap<Point, Count>, claim : &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: you seem to want to iterate on a map's values
[INFO] [stderr]    --> src/day3/day3.rs:169:23
[INFO] [stderr]     |
[INFO] [stderr] 169 |     for (_, count) in &grid_description {
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::for_kv_map)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_kv_map
[INFO] [stderr] help: use the corresponding method
[INFO] [stderr]     |
[INFO] [stderr] 169 |     for count in grid_description.values() {
[INFO] [stderr]     |         ^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: this `.fold` can be written more succinctly using another method
[INFO] [stderr]    --> src/day4/day4.rs:134:32
[INFO] [stderr]     |
[INFO] [stderr] 134 |         let sum = counts.iter().fold(0,|a, &b| a + b);
[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: unneeded return statement
[INFO] [stderr]   --> src/day2/day2.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     return array;
[INFO] [stderr]    |     ^^^^^^^^^^^^^ help: remove `return` as shown: `array`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `count`
[INFO] [stderr]   --> src/day3/day3.rs:86:22
[INFO] [stderr]    |
[INFO] [stderr] 86 |                 Some(count) => unclaimed = true,
[INFO] [stderr]    |                      ^^^^^ help: consider using `_count` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `count`
[INFO] [stderr]    --> src/day3/day3.rs:129:23
[INFO] [stderr]     |
[INFO] [stderr] 129 |                 Some(&count) => print!("#"),
[INFO] [stderr]     |                       ^^^^^ help: consider using `_count` instead
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `draw_grid`
[INFO] [stderr]    --> src/day3/day3.rs:120:1
[INFO] [stderr]     |
[INFO] [stderr] 120 | fn draw_grid(grid_description: &HashMap<Point, i32>, nx: u32, ny: u32){
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/day3/day3.rs:31:20
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn to_claim(claim: &String) -> Claim {
[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 `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/day3/day3.rs:71:66
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn check_claim(grid_description: &HashMap<Point, Count>, claim : &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: equality checks against false can be replaced by a negation
[INFO] [stderr]   --> src/day3/day3.rs:89:16
[INFO] [stderr]    |
[INFO] [stderr] 89 |             if unclaimed == false{
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^ help: try simplifying it as shown: `!unclaimed`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::bool_comparison)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/day3/day3.rs:100:70
[INFO] [stderr]     |
[INFO] [stderr] 100 | fn update_grid(grid_description: &mut HashMap<Point, Count>, claim : &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: you seem to want to iterate on a map's values
[INFO] [stderr]    --> src/day3/day3.rs:169:23
[INFO] [stderr]     |
[INFO] [stderr] 169 |     for (_, count) in &grid_description {
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::for_kv_map)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_kv_map
[INFO] [stderr] help: use the corresponding method
[INFO] [stderr]     |
[INFO] [stderr] 169 |     for count in grid_description.values() {
[INFO] [stderr]     |         ^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]  --> src/day2/day2.rs:8:21
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn char_count(line: &String) -> [i32; 26] {
[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/day2/day2.rs:19:17
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn part1(lines: &Vec<String>) {
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: change this to: `&[String]`
[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: equality checks against false can be replaced by a negation
[INFO] [stderr]   --> src/day2/day2.rs:27:29
[INFO] [stderr]    |
[INFO] [stderr] 27 |             if *val == 2 && two_found == false {
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^ help: try simplifying it as shown: `!two_found`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::bool_comparison)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stderr] 
[INFO] [stderr] warning: equality checks against false can be replaced by a negation
[INFO] [stderr]   --> src/day2/day2.rs:31:29
[INFO] [stderr]    |
[INFO] [stderr] 31 |             if *val == 3 && three_found == false {
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^ help: try simplifying it as shown: `!three_found`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[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/day2.rs:41:17
[INFO] [stderr]    |
[INFO] [stderr] 41 | fn part2(lines: &Vec<String>) {
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: change this to: `&[String]`
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1.85s
[INFO] running `"docker" "inspect" "210b1930ad780807279fadb92c7e2eeb41cd87dd870114f11ef8be981cd6cd87"`
[INFO] running `"docker" "rm" "-f" "210b1930ad780807279fadb92c7e2eeb41cd87dd870114f11ef8be981cd6cd87"`
[INFO] [stdout] 210b1930ad780807279fadb92c7e2eeb41cd87dd870114f11ef8be981cd6cd87