[INFO] cloning repository https://github.com/ralphrecto/advent-of-code
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ralphrecto/advent-of-code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fralphrecto%2Fadvent-of-code"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fralphrecto%2Fadvent-of-code'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1c3f091a7920c088b10d0e844a76f0e5de5b6ef7
[INFO] checking ralphrecto/advent-of-code against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fralphrecto%2Fadvent-of-code" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ralphrecto/advent-of-code on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ralphrecto/advent-of-code
[INFO] finished tweaking git repo https://github.com/ralphrecto/advent-of-code
[INFO] tweaked toml for git repo https://github.com/ralphrecto/advent-of-code written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/ralphrecto/advent-of-code already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] fd8cb8f447381b95a53c68cb86c39cddcd26496bc3397f3a0e3bd1b2bbf6a794
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "fd8cb8f447381b95a53c68cb86c39cddcd26496bc3397f3a0e3bd1b2bbf6a794"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking advent-of-code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/day6.rs:66:13
[INFO] [stderr]    |
[INFO] [stderr] 66 | /             /// High level idea: coordinates which are the closest for squares along the border
[INFO] [stderr] 67 | |             /// of the grid will have an infinite area.
[INFO] [stderr]    | |_______________________________________________________^
[INFO] [stderr] 68 | /             for x in xmin..=xmax {
[INFO] [stderr] 69 | |                 for y in ymin..=ymax {
[INFO] [stderr] 70 | |                     match closest(Coord {x, y}, &coords) {
[INFO] [stderr] 71 | |                         Some(c) => {
[INFO] [stderr] ...  |
[INFO] [stderr] 81 | |                 }
[INFO] [stderr] 82 | |             }
[INFO] [stderr]    | |_____________- rustdoc does not generate documentation for expressions
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/day6.rs:66:13
[INFO] [stderr]    |
[INFO] [stderr] 66 | /             /// High level idea: coordinates which are the closest for squares along the border
[INFO] [stderr] 67 | |             /// of the grid will have an infinite area.
[INFO] [stderr]    | |_______________________________________________________^
[INFO] [stderr] 68 | /             for x in xmin..=xmax {
[INFO] [stderr] 69 | |                 for y in ymin..=ymax {
[INFO] [stderr] 70 | |                     match closest(Coord {x, y}, &coords) {
[INFO] [stderr] 71 | |                         Some(c) => {
[INFO] [stderr] ...  |
[INFO] [stderr] 81 | |                 }
[INFO] [stderr] 82 | |             }
[INFO] [stderr]    | |_____________- rustdoc does not generate documentation for expressions
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/day1.rs:23:16
[INFO] [stderr]    |
[INFO] [stderr] 23 |             if (seen.contains(&rolling)) {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]  --> src/day5.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/day1.rs:23:16
[INFO] [stderr]    |
[INFO] [stderr] 23 |             if (seen.contains(&rolling)) {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]  --> src/day5.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stderr]  --> src/day5.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> src/day2.rs:53:51
[INFO] [stderr]    |
[INFO] [stderr] 53 | ...                   .filter(|&(c_idx, c)| idx != c_idx)
[INFO] [stderr]    |                                         ^ help: consider prefixing with an underscore: `_c`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `claims`
[INFO] [stderr]   --> src/day3.rs:44:40
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn pt1(grid: &mut [[i32; 1000]; 1000], claims: &Vec<Claim>) -> () {
[INFO] [stderr]    |                                        ^^^^^^ help: consider prefixing with an underscore: `_claims`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `times_asleep`
[INFO] [stderr]   --> src/day4.rs:81:25
[INFO] [stderr]    |
[INFO] [stderr] 81 |     let (sleepiest_min, times_asleep) = calc_sleepiest_min(&awake_count);
[INFO] [stderr]    |                         ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_times_asleep`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `idx`
[INFO] [stderr]   --> src/day5.rs:13:10
[INFO] [stderr]    |
[INFO] [stderr] 13 |     for (idx, c) in chars.iter().enumerate() {
[INFO] [stderr]    |          ^^^ help: consider prefixing with an underscore: `_idx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `orig_initial_len`
[INFO] [stderr]   --> src/day5.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let orig_initial_len = orig.len();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_orig_initial_len`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/day5.rs:83:13
[INFO] [stderr]    |
[INFO] [stderr] 83 |         Err(e) => println!("oh no!")
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dist`
[INFO] [stderr]   --> src/day6.rs:27:18
[INFO] [stderr]    |
[INFO] [stderr] 27 |         [(coord, dist)] => Option::Some(*coord),
[INFO] [stderr]    |                  ^^^^ help: consider prefixing with an underscore: `_dist`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `coord1`
[INFO] [stderr]   --> src/day6.rs:30:18
[INFO] [stderr]    |
[INFO] [stderr] 30 |             let (coord1, dist1) = distvec[1];
[INFO] [stderr]    |                  ^^^^^^ help: consider prefixing with an underscore: `_coord1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dest`
[INFO] [stderr]   --> src/day7.rs:16:19
[INFO] [stderr]    |
[INFO] [stderr] 16 |         .filter(|(dest, srclist)| srclist.is_empty())
[INFO] [stderr]    |                   ^^^^ help: consider prefixing with an underscore: `_dest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `task`
[INFO] [stderr]   --> src/day7.rs:76:19
[INFO] [stderr]    |
[INFO] [stderr] 76 |             Some((task, worker_work)) => {
[INFO] [stderr]    |                   ^^^^ help: consider prefixing with an underscore: `_task`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ticks`
[INFO] [stderr]    --> src/day7.rs:121:13
[INFO] [stderr]     |
[INFO] [stderr] 121 |     let mut ticks = 0;
[INFO] [stderr]     |             ^^^^^ help: consider prefixing with an underscore: `_ticks`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `child`
[INFO] [stderr]   --> src/day8.rs:26:15
[INFO] [stderr]    |
[INFO] [stderr] 26 |         .map(|child| value(&mut numlist))
[INFO] [stderr]    |               ^^^^^ help: consider prefixing with an underscore: `_child`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stderr]  --> src/day5.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> src/day2.rs:53:51
[INFO] [stderr]    |
[INFO] [stderr] 53 | ...                   .filter(|&(c_idx, c)| idx != c_idx)
[INFO] [stderr]    |                                         ^ help: consider prefixing with an underscore: `_c`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `claims`
[INFO] [stderr]   --> src/day3.rs:44:40
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn pt1(grid: &mut [[i32; 1000]; 1000], claims: &Vec<Claim>) -> () {
[INFO] [stderr]    |                                        ^^^^^^ help: consider prefixing with an underscore: `_claims`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `times_asleep`
[INFO] [stderr]   --> src/day4.rs:81:25
[INFO] [stderr]    |
[INFO] [stderr] 81 |     let (sleepiest_min, times_asleep) = calc_sleepiest_min(&awake_count);
[INFO] [stderr]    |                         ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_times_asleep`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `idx`
[INFO] [stderr]   --> src/day5.rs:13:10
[INFO] [stderr]    |
[INFO] [stderr] 13 |     for (idx, c) in chars.iter().enumerate() {
[INFO] [stderr]    |          ^^^ help: consider prefixing with an underscore: `_idx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `orig_initial_len`
[INFO] [stderr]   --> src/day5.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let orig_initial_len = orig.len();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_orig_initial_len`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/day5.rs:83:13
[INFO] [stderr]    |
[INFO] [stderr] 83 |         Err(e) => println!("oh no!")
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dist`
[INFO] [stderr]   --> src/day6.rs:27:18
[INFO] [stderr]    |
[INFO] [stderr] 27 |         [(coord, dist)] => Option::Some(*coord),
[INFO] [stderr]    |                  ^^^^ help: consider prefixing with an underscore: `_dist`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `coord1`
[INFO] [stderr]   --> src/day6.rs:30:18
[INFO] [stderr]    |
[INFO] [stderr] 30 |             let (coord1, dist1) = distvec[1];
[INFO] [stderr]    |                  ^^^^^^ help: consider prefixing with an underscore: `_coord1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dest`
[INFO] [stderr]   --> src/day7.rs:16:19
[INFO] [stderr]    |
[INFO] [stderr] 16 |         .filter(|(dest, srclist)| srclist.is_empty())
[INFO] [stderr]    |                   ^^^^ help: consider prefixing with an underscore: `_dest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `task`
[INFO] [stderr]   --> src/day7.rs:76:19
[INFO] [stderr]    |
[INFO] [stderr] 76 |             Some((task, worker_work)) => {
[INFO] [stderr]    |                   ^^^^ help: consider prefixing with an underscore: `_task`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ticks`
[INFO] [stderr]    --> src/day7.rs:121:13
[INFO] [stderr]     |
[INFO] [stderr] 121 |     let mut ticks = 0;
[INFO] [stderr]     |             ^^^^^ help: consider prefixing with an underscore: `_ticks`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `child`
[INFO] [stderr]   --> src/day8.rs:26:15
[INFO] [stderr]    |
[INFO] [stderr] 26 |         .map(|child| value(&mut numlist))
[INFO] [stderr]    |               ^^^^^ help: consider prefixing with an underscore: `_child`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/day6.rs:100:25
[INFO] [stderr]     |
[INFO] [stderr] 100 |                     let mut totaldist : i32 = coords.iter()
[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: variable does not need to be mutable
[INFO] [stderr]    --> src/day7.rs:121:9
[INFO] [stderr]     |
[INFO] [stderr] 121 |     let mut ticks = 0;
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day8.rs:48:17
[INFO] [stderr]    |
[INFO] [stderr] 48 |             let mut numlist: Vec<i32> = s.split(" ")
[INFO] [stderr]    |                 ----^^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pt1`
[INFO] [stderr]  --> src/day1.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn pt1(lines: &Vec<String>) -> () {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pt2`
[INFO] [stderr]   --> src/day1.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn pt2(lines: &Vec<String>) -> () {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]   --> src/day1.rs:38:1
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub fn run() -> () {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/day2.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn run() -> () {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_line`
[INFO] [stderr]   --> src/day3.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn parse_line(line: &String) -> Claim {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pt1`
[INFO] [stderr]   --> src/day3.rs:44:1
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn pt1(grid: &mut [[i32; 1000]; 1000], claims: &Vec<Claim>) -> () {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pt2`
[INFO] [stderr]   --> src/day3.rs:57:1
[INFO] [stderr]    |
[INFO] [stderr] 57 | fn pt2(grid: &mut [[i32; 1000]; 1000], claims: &Vec<Claim>) -> () {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]   --> src/day3.rs:79:1
[INFO] [stderr]    |
[INFO] [stderr] 79 | pub fn run() -> () {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BeginShift`
[INFO] [stderr]  --> src/day4.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     BeginShift(i32),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FallAsleep`
[INFO] [stderr]  --> src/day4.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     FallAsleep(i32),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `WakeUp`
[INFO] [stderr]  --> src/day4.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     WakeUp(i32)
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_line`
[INFO] [stderr]   --> src/day4.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn parse_line(line: &str) -> Event {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `tabulate_awake_mins`
[INFO] [stderr]   --> src/day4.rs:34:1
[INFO] [stderr]    |
[INFO] [stderr] 34 | fn tabulate_awake_mins(sleeps: &Vec<(i32, i32)>, awake_count: &mut[u32; 60]) -> () {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `calc_sleepiest_min`
[INFO] [stderr]   --> src/day4.rs:43:1
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn calc_sleepiest_min(awake_count: &[u32; 60]) -> (usize, u32) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `part1`
[INFO] [stderr]   --> src/day4.rs:56:1
[INFO] [stderr]    |
[INFO] [stderr] 56 | fn part1(sleeps_by_id: &HashMap<i32, Vec<(i32, i32)>>) -> () {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `part2`
[INFO] [stderr]   --> src/day4.rs:86:1
[INFO] [stderr]    |
[INFO] [stderr] 86 | fn part2(sleeps_by_id: &HashMap<i32, Vec<(i32, i32)>>) -> () {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]    --> src/day4.rs:116:1
[INFO] [stderr]     |
[INFO] [stderr] 116 | pub fn run() -> () {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `reacts`
[INFO] [stderr]  --> src/day5.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn reacts(c1: char, c2: char) -> bool {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `react`
[INFO] [stderr]   --> src/day5.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn react(chars: &Vec<char>) -> Vec<char> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `react_fixedpoint`
[INFO] [stderr]   --> src/day5.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn react_fixedpoint(orig: &str) -> usize {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `part1`
[INFO] [stderr]   --> src/day5.rs:54:1
[INFO] [stderr]    |
[INFO] [stderr] 54 | fn part1(orig: &str) -> () {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `part2`
[INFO] [stderr]   --> src/day5.rs:59:1
[INFO] [stderr]    |
[INFO] [stderr] 59 | fn part2(orig: &str) -> () {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]   --> src/day5.rs:77:1
[INFO] [stderr]    |
[INFO] [stderr] 77 | pub fn run() -> () {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `timed`
[INFO] [stderr]   --> src/day5.rs:87:1
[INFO] [stderr]    |
[INFO] [stderr] 87 | pub fn timed() -> () {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `dist`
[INFO] [stderr]   --> src/day6.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn dist(&self, Coord {x, y}: &Self) -> i32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `closest`
[INFO] [stderr]   --> src/day6.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn closest(c: Coord, cand_coords: &Vec<Coord>) -> Option<Coord> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]   --> src/day6.rs:40:1
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub fn run() -> () {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `src`
[INFO] [stderr]  --> src/day7.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     src: char,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `dest`
[INFO] [stderr]  --> src/day7.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     dest: char
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `kahns_algorithm`
[INFO] [stderr]   --> src/day7.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn kahns_algorithm(adj_orig: &HashMap<char, HashSet<char>>) -> Vec<char> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `assign`
[INFO] [stderr]   --> src/day7.rs:47:1
[INFO] [stderr]    |
[INFO] [stderr] 47 | fn assign(workers: &mut Vec<Option<(char, u32)>>, task: char) -> () {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `simulate_work`
[INFO] [stderr]   --> src/day7.rs:72:1
[INFO] [stderr]    |
[INFO] [stderr] 72 | fn simulate_work(workers: &mut Vec<Option<(char, u32)>>) -> (HashSet<char>, u32) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `compute_work`
[INFO] [stderr]    --> src/day7.rs:105:1
[INFO] [stderr]     |
[INFO] [stderr] 105 | fn compute_work(task: char) -> u32 {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `compute_total_work`
[INFO] [stderr]    --> src/day7.rs:111:1
[INFO] [stderr]     |
[INFO] [stderr] 111 | / fn compute_total_work(
[INFO] [stderr] 112 | |     adj: &HashMap<char, HashSet<char>>,
[INFO] [stderr] 113 | |     topolist: &Vec<char>,
[INFO] [stderr] 114 | |     num_workers: usize) -> u32 {
[INFO] [stderr] ...   |
[INFO] [stderr] 147 | |     total_ticks
[INFO] [stderr] 148 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]    --> src/day7.rs:150:1
[INFO] [stderr]     |
[INFO] [stderr] 150 | pub fn run() -> () {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_lines`
[INFO] [stderr]   --> src/fileutil.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn read_lines(pathstr: &str) -> io::Result<Vec<String>> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/day6.rs:100:25
[INFO] [stderr]     |
[INFO] [stderr] 100 |                     let mut totaldist : i32 = coords.iter()
[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: variable does not need to be mutable
[INFO] [stderr]    --> src/day7.rs:121:9
[INFO] [stderr]     |
[INFO] [stderr] 121 |     let mut ticks = 0;
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day8.rs:48:17
[INFO] [stderr]    |
[INFO] [stderr] 48 |             let mut numlist: Vec<i32> = s.split(" ")
[INFO] [stderr]    |                 ----^^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pt1`
[INFO] [stderr]  --> src/day1.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn pt1(lines: &Vec<String>) -> () {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pt2`
[INFO] [stderr]   --> src/day1.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn pt2(lines: &Vec<String>) -> () {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]   --> src/day1.rs:38:1
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub fn run() -> () {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/day2.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn run() -> () {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_line`
[INFO] [stderr]   --> src/day3.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn parse_line(line: &String) -> Claim {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pt1`
[INFO] [stderr]   --> src/day3.rs:44:1
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn pt1(grid: &mut [[i32; 1000]; 1000], claims: &Vec<Claim>) -> () {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pt2`
[INFO] [stderr]   --> src/day3.rs:57:1
[INFO] [stderr]    |
[INFO] [stderr] 57 | fn pt2(grid: &mut [[i32; 1000]; 1000], claims: &Vec<Claim>) -> () {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]   --> src/day3.rs:79:1
[INFO] [stderr]    |
[INFO] [stderr] 79 | pub fn run() -> () {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BeginShift`
[INFO] [stderr]  --> src/day4.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     BeginShift(i32),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FallAsleep`
[INFO] [stderr]  --> src/day4.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     FallAsleep(i32),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `WakeUp`
[INFO] [stderr]  --> src/day4.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     WakeUp(i32)
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_line`
[INFO] [stderr]   --> src/day4.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn parse_line(line: &str) -> Event {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `tabulate_awake_mins`
[INFO] [stderr]   --> src/day4.rs:34:1
[INFO] [stderr]    |
[INFO] [stderr] 34 | fn tabulate_awake_mins(sleeps: &Vec<(i32, i32)>, awake_count: &mut[u32; 60]) -> () {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `calc_sleepiest_min`
[INFO] [stderr]   --> src/day4.rs:43:1
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn calc_sleepiest_min(awake_count: &[u32; 60]) -> (usize, u32) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `part1`
[INFO] [stderr]   --> src/day4.rs:56:1
[INFO] [stderr]    |
[INFO] [stderr] 56 | fn part1(sleeps_by_id: &HashMap<i32, Vec<(i32, i32)>>) -> () {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `part2`
[INFO] [stderr]   --> src/day4.rs:86:1
[INFO] [stderr]    |
[INFO] [stderr] 86 | fn part2(sleeps_by_id: &HashMap<i32, Vec<(i32, i32)>>) -> () {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]    --> src/day4.rs:116:1
[INFO] [stderr]     |
[INFO] [stderr] 116 | pub fn run() -> () {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `reacts`
[INFO] [stderr]  --> src/day5.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn reacts(c1: char, c2: char) -> bool {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `react`
[INFO] [stderr]   --> src/day5.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn react(chars: &Vec<char>) -> Vec<char> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `react_fixedpoint`
[INFO] [stderr]   --> src/day5.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn react_fixedpoint(orig: &str) -> usize {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `part1`
[INFO] [stderr]   --> src/day5.rs:54:1
[INFO] [stderr]    |
[INFO] [stderr] 54 | fn part1(orig: &str) -> () {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `part2`
[INFO] [stderr]   --> src/day5.rs:59:1
[INFO] [stderr]    |
[INFO] [stderr] 59 | fn part2(orig: &str) -> () {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]   --> src/day5.rs:77:1
[INFO] [stderr]    |
[INFO] [stderr] 77 | pub fn run() -> () {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `timed`
[INFO] [stderr]   --> src/day5.rs:87:1
[INFO] [stderr]    |
[INFO] [stderr] 87 | pub fn timed() -> () {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `dist`
[INFO] [stderr]   --> src/day6.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn dist(&self, Coord {x, y}: &Self) -> i32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `closest`
[INFO] [stderr]   --> src/day6.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn closest(c: Coord, cand_coords: &Vec<Coord>) -> Option<Coord> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]   --> src/day6.rs:40:1
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub fn run() -> () {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `src`
[INFO] [stderr]  --> src/day7.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     src: char,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `dest`
[INFO] [stderr]  --> src/day7.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     dest: char
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `kahns_algorithm`
[INFO] [stderr]   --> src/day7.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn kahns_algorithm(adj_orig: &HashMap<char, HashSet<char>>) -> Vec<char> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `assign`
[INFO] [stderr]   --> src/day7.rs:47:1
[INFO] [stderr]    |
[INFO] [stderr] 47 | fn assign(workers: &mut Vec<Option<(char, u32)>>, task: char) -> () {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `simulate_work`
[INFO] [stderr]   --> src/day7.rs:72:1
[INFO] [stderr]    |
[INFO] [stderr] 72 | fn simulate_work(workers: &mut Vec<Option<(char, u32)>>) -> (HashSet<char>, u32) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `compute_work`
[INFO] [stderr]    --> src/day7.rs:105:1
[INFO] [stderr]     |
[INFO] [stderr] 105 | fn compute_work(task: char) -> u32 {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `compute_total_work`
[INFO] [stderr]    --> src/day7.rs:111:1
[INFO] [stderr]     |
[INFO] [stderr] 111 | / fn compute_total_work(
[INFO] [stderr] 112 | |     adj: &HashMap<char, HashSet<char>>,
[INFO] [stderr] 113 | |     topolist: &Vec<char>,
[INFO] [stderr] 114 | |     num_workers: usize) -> u32 {
[INFO] [stderr] ...   |
[INFO] [stderr] 147 | |     total_ticks
[INFO] [stderr] 148 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]    --> src/day7.rs:150:1
[INFO] [stderr]     |
[INFO] [stderr] 150 | pub fn run() -> () {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_lines`
[INFO] [stderr]   --> src/fileutil.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn read_lines(pathstr: &str) -> io::Result<Vec<String>> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.51s
[INFO] running `"docker" "inspect" "fd8cb8f447381b95a53c68cb86c39cddcd26496bc3397f3a0e3bd1b2bbf6a794"`
[INFO] running `"docker" "rm" "-f" "fd8cb8f447381b95a53c68cb86c39cddcd26496bc3397f3a0e3bd1b2bbf6a794"`
[INFO] [stdout] fd8cb8f447381b95a53c68cb86c39cddcd26496bc3397f3a0e3bd1b2bbf6a794