[INFO] updating cached repository jmacmahon/advent-of-code-2016
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jmacmahon/advent-of-code-2016
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jmacmahon/advent-of-code-2016" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/jmacmahon/advent-of-code-2016"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/jmacmahon/advent-of-code-2016'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jmacmahon/advent-of-code-2016" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/jmacmahon/advent-of-code-2016"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/jmacmahon/advent-of-code-2016'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 065b54ffec30020f9242161531bbf4fe438bb8c4
[INFO] sha for GitHub repo jmacmahon/advent-of-code-2016: 065b54ffec30020f9242161531bbf4fe438bb8c4
[INFO] validating manifest of jmacmahon/advent-of-code-2016 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jmacmahon/advent-of-code-2016 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jmacmahon/advent-of-code-2016
[INFO] finished frobbing jmacmahon/advent-of-code-2016
[INFO] frobbed toml for jmacmahon/advent-of-code-2016 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/jmacmahon/advent-of-code-2016/Cargo.toml
[INFO] started frobbing jmacmahon/advent-of-code-2016
[INFO] finished frobbing jmacmahon/advent-of-code-2016
[INFO] frobbed toml for jmacmahon/advent-of-code-2016 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/jmacmahon/advent-of-code-2016/Cargo.toml
[INFO] crate jmacmahon/advent-of-code-2016 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking jmacmahon/advent-of-code-2016 against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-3/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/jmacmahon/advent-of-code-2016:/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f6253ffcc9c31d8deaeab9e58092013a7cbde1c742170a4e0fcabbefab720f68
[INFO] running `"docker" "start" "-a" "f6253ffcc9c31d8deaeab9e58092013a7cbde1c742170a4e0fcabbefab720f68"`
[INFO] [stderr]     Checking advent-of-code v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/util/mod.rs:5:52
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_file(path: &str) -> Result<String, Box<Error>> {
[INFO] [stderr]   |                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/day03/mod.rs:3:51
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn parse_line(line: &str) -> Result<Vec<u32>, Box<Error>> {
[INFO] [stderr]   |                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/day03/mod.rs:28:41
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn main_result() -> Result<u32, Box<Error>> {
[INFO] [stderr]    |                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/day03/mod.rs:38:57
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn parse_and_verify(line: &str) -> Result<bool, Box<Error>> {
[INFO] [stderr]    |                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/day03/mod.rs:57:41
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn main_result() -> Result<u32, Box<Error>> {
[INFO] [stderr]    |                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/day03/mod.rs:74:64
[INFO] [stderr]    |
[INFO] [stderr] 74 |     fn count_three_lines(lines: &Vec<&str>) -> Result<u32, Box<Error>> {
[INFO] [stderr]    |                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/day03/mod.rs:95:72
[INFO] [stderr]    |
[INFO] [stderr] 95 |     fn get_three_lines<'a, T>(mut iter: T) -> Result<Vec<&'a str>, Box<Error>>
[INFO] [stderr]    |                                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/day04/mod.rs:10:51
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub fn parse_line(line: &str) -> Result<Room, Box<Error>> {
[INFO] [stderr]    |                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/day04/mod.rs:35:39
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn main_error() -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/util/mod.rs:5:52
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_file(path: &str) -> Result<String, Box<Error>> {
[INFO] [stderr]   |                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/day03/mod.rs:3:51
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn parse_line(line: &str) -> Result<Vec<u32>, Box<Error>> {
[INFO] [stderr]   |                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/day03/mod.rs:28:41
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn main_result() -> Result<u32, Box<Error>> {
[INFO] [stderr]    |                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/day03/mod.rs:38:57
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn parse_and_verify(line: &str) -> Result<bool, Box<Error>> {
[INFO] [stderr]    |                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/day03/mod.rs:57:41
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn main_result() -> Result<u32, Box<Error>> {
[INFO] [stderr]    |                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/day03/mod.rs:74:64
[INFO] [stderr]    |
[INFO] [stderr] 74 |     fn count_three_lines(lines: &Vec<&str>) -> Result<u32, Box<Error>> {
[INFO] [stderr]    |                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/day03/mod.rs:95:72
[INFO] [stderr]    |
[INFO] [stderr] 95 |     fn get_three_lines<'a, T>(mut iter: T) -> Result<Vec<&'a str>, Box<Error>>
[INFO] [stderr]    |                                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/day04/mod.rs:10:51
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub fn parse_line(line: &str) -> Result<Room, Box<Error>> {
[INFO] [stderr]    |                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/day04/mod.rs:35:39
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn main_error() -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `INPUT`
[INFO] [stderr]  --> src/day01/mod.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | const INPUT: &'static str = "R2, L3, R2, R4, L2, L1, R2, R4, R1, L4, L5, R5, R5, R2, R2, R1, L2, L3, L2, L1, R3, L5, R187, R1, R4, L1, R5, L3, L4, R50, L4, R2, R70, L3, L2, R4, R3, R194, L3, L4, L4, L3, L4, R4, R5, L1, L5, L4, R1, L2, R4, L5, L3, R4, L5, L5, R5, R3, R5, L2, L4, R4, L1, R3, R1, L1, L2, R2, R2, L3, R3, R2, R5, R2, R5, L3, R2, L5, R1, R2, R2, L4, L5, L1, L4, R4, R3, R1, R2, L1, L2, R4, R5, L2, R3, L4, L5, L5, L4, R4, L2, R1, R1, L2, L3, L2, R2, L4, R3, R2, L1, L3, L2, L4, L4, R2, L3, L3, R2, L4, L3, R4, R3, L2, L1, L4, R4, R2, L4, L4, L5, L1, R2, L5, L2, L3, R2, L2";
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Direction`
[INFO] [stderr]  --> src/day01/mod.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | enum Direction { L, R }
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Step`
[INFO] [stderr]   --> src/day01/mod.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | struct Step {
[INFO] [stderr]    | ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `CompassPoint`
[INFO] [stderr]   --> src/day01/mod.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | enum CompassPoint { N, E, S, W }
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Position`
[INFO] [stderr]   --> src/day01/mod.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | struct Position  {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `main`
[INFO] [stderr]   --> src/day01/mod.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub fn main() {
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `apply_to_position`
[INFO] [stderr]   --> src/day01/mod.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn apply_to_position(position: &mut Position, step: &Step) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_step`
[INFO] [stderr]   --> src/day01/mod.rs:63:1
[INFO] [stderr]    |
[INFO] [stderr] 63 | fn parse_step(step_str: &str) -> Option<Step> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `INPUT`
[INFO] [stderr]   --> src/day02/mod.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / const INPUT: &'static [&'static str] = &[
[INFO] [stderr] 2  | | r#"ULL
[INFO] [stderr] 3  | | RRDDD
[INFO] [stderr] 4  | | LURDL
[INFO] [stderr] ...  |
[INFO] [stderr] 10 | |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
[INFO] [stderr] 11 | | ];
[INFO] [stderr]    | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `INDEX`
[INFO] [stderr]   --> src/day02/mod.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | const INDEX: usize = 1;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `KEYPAD`
[INFO] [stderr]   --> src/day02/mod.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | / const KEYPAD: [[char; 5]; 5] = [
[INFO] [stderr] 16 | |     [' ', ' ', '1', ' ', ' '],
[INFO] [stderr] 17 | |     [' ', '2', '3', '4', ' '],
[INFO] [stderr] 18 | |     ['5', '6', '7', '8', '9'],
[INFO] [stderr] 19 | |     [' ', 'A', 'B', 'C', ' '],
[INFO] [stderr] 20 | |     [' ', ' ', 'D', ' ', ' '],
[INFO] [stderr] 21 | | ];
[INFO] [stderr]    | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `main`
[INFO] [stderr]   --> src/day02/mod.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub fn main() {
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_next_button_part2`
[INFO] [stderr]   --> src/day02/mod.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | fn get_next_button_part2(pos: &mut (usize, usize), line: &str) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `INPUT`
[INFO] [stderr]  --> src/day01/mod.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | const INPUT: &'static str = "R2, L3, R2, R4, L2, L1, R2, R4, R1, L4, L5, R5, R5, R2, R2, R1, L2, L3, L2, L1, R3, L5, R187, R1, R4, L1, R5, L3, L4, R50, L4, R2, R70, L3, L2, R4, R3, R194, L3, L4, L4, L3, L4, R4, R5, L1, L5, L4, R1, L2, R4, L5, L3, R4, L5, L5, R5, R3, R5, L2, L4, R4, L1, R3, R1, L1, L2, R2, R2, L3, R3, R2, R5, R2, R5, L3, R2, L5, R1, R2, R2, L4, L5, L1, L4, R4, R3, R1, R2, L1, L2, R4, R5, L2, R3, L4, L5, L5, L4, R4, L2, R1, R1, L2, L3, L2, R2, L4, R3, R2, L1, L3, L2, L4, L4, R2, L3, L3, R2, L4, L3, R4, R3, L2, L1, L4, R4, R2, L4, L4, L5, L1, R2, L5, L2, L3, R2, L2";
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Direction`
[INFO] [stderr]  --> src/day01/mod.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | enum Direction { L, R }
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Step`
[INFO] [stderr]   --> src/day01/mod.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | struct Step {
[INFO] [stderr]    | ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `CompassPoint`
[INFO] [stderr]   --> src/day01/mod.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | enum CompassPoint { N, E, S, W }
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Position`
[INFO] [stderr]   --> src/day01/mod.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | struct Position  {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `main`
[INFO] [stderr]   --> src/day01/mod.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub fn main() {
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `apply_to_position`
[INFO] [stderr]   --> src/day01/mod.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn apply_to_position(position: &mut Position, step: &Step) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_step`
[INFO] [stderr]   --> src/day01/mod.rs:63:1
[INFO] [stderr]    |
[INFO] [stderr] 63 | fn parse_step(step_str: &str) -> Option<Step> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `INPUT`
[INFO] [stderr]   --> src/day02/mod.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / const INPUT: &'static [&'static str] = &[
[INFO] [stderr] 2  | | r#"ULL
[INFO] [stderr] 3  | | RRDDD
[INFO] [stderr] 4  | | LURDL
[INFO] [stderr] ...  |
[INFO] [stderr] 10 | |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
[INFO] [stderr] 11 | | ];
[INFO] [stderr]    | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `INDEX`
[INFO] [stderr]   --> src/day02/mod.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | const INDEX: usize = 1;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `KEYPAD`
[INFO] [stderr]   --> src/day02/mod.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | / const KEYPAD: [[char; 5]; 5] = [
[INFO] [stderr] 16 | |     [' ', ' ', '1', ' ', ' '],
[INFO] [stderr] 17 | |     [' ', '2', '3', '4', ' '],
[INFO] [stderr] 18 | |     ['5', '6', '7', '8', '9'],
[INFO] [stderr] 19 | |     [' ', 'A', 'B', 'C', ' '],
[INFO] [stderr] 20 | |     [' ', ' ', 'D', ' ', ' '],
[INFO] [stderr] 21 | | ];
[INFO] [stderr]    | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `main`
[INFO] [stderr]   --> src/day02/mod.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub fn main() {
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_next_button_part2`
[INFO] [stderr]   --> src/day02/mod.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | fn get_next_button_part2(pos: &mut (usize, usize), line: &str) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "f6253ffcc9c31d8deaeab9e58092013a7cbde1c742170a4e0fcabbefab720f68"`
[INFO] running `"docker" "rm" "-f" "f6253ffcc9c31d8deaeab9e58092013a7cbde1c742170a4e0fcabbefab720f68"`
[INFO] [stdout] f6253ffcc9c31d8deaeab9e58092013a7cbde1c742170a4e0fcabbefab720f68