[INFO] cloning repository https://github.com/libc/advent-of-code-2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/libc/advent-of-code-2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flibc%2Fadvent-of-code-2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flibc%2Fadvent-of-code-2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a0002eb82dbbecd7fa55ec84e68971afdeefe49f
[INFO] checking libc/advent-of-code-2019 against master#4eb62535fc12dd1a63fd43a4173e224e79313c4d for pr-158816
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flibc%2Fadvent-of-code-2019" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/libc/advent-of-code-2019
[INFO] finished tweaking git repo https://github.com/libc/advent-of-code-2019
[INFO] tweaked toml for git repo https://github.com/libc/advent-of-code-2019 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/libc/advent-of-code-2019 on toolchain 4eb62535fc12dd1a63fd43a4173e224e79313c4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/libc/advent-of-code-2019 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded matrixmultiply v0.2.3
[INFO] [stderr]   Downloaded mod_exp v1.0.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] cb8d8723eb4eeeb03581eb0f7f573ea43a127aaea85bd4e2139f163d94cee714
[INFO] running `Command { std: "docker" "start" "cb8d8723eb4eeeb03581eb0f7f573ea43a127aaea85bd4e2139f163d94cee714", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb8d8723eb4eeeb03581eb0f7f573ea43a127aaea85bd4e2139f163d94cee714", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "cb8d8723eb4eeeb03581eb0f7f573ea43a127aaea85bd4e2139f163d94cee714" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb8d8723eb4eeeb03581eb0f7f573ea43a127aaea85bd4e2139f163d94cee714", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "cb8d8723eb4eeeb03581eb0f7f573ea43a127aaea85bd4e2139f163d94cee714" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling ndarray v0.13.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]    Compiling im v10.2.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.0
[INFO] [stderr]     Checking crossbeam-channel v0.4.0
[INFO] [stderr]     Checking termion v1.5.4
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
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[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking mod_exp v1.0.1
[INFO] [stderr]     Checking aoc2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `all_keys`
[INFO] [stdout]   --> src/bin/day18-2.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let all_keys = find_all_keys(&puzzle);
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_all_keys`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `all_keys`
[INFO] [stdout]   --> src/bin/day18-1.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let all_keys = find_all_keys(&puzzle);
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_all_keys`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/bin/day23-1.rs:103:5
[INFO] [stdout]     |
[INFO] [stdout]  78 | /     loop {
[INFO] [stdout]  79 | |         let oper_r = sel.select_timeout(Duration::from_millis(500));
[INFO] [stdout]  80 | |         if oper_r.is_err() {
[INFO] [stdout]  81 | |             println!("sending: {:?}", last_xy);
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |         ss[addr as usize].send((x, y)).unwrap();
[INFO] [stdout] 101 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 102 |
[INFO] [stdout] 103 |       Ok(())
[INFO] [stdout]     |       ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `all_keys`
[INFO] [stdout]   --> src/bin/day18-2.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let all_keys = find_all_keys(&puzzle);
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_all_keys`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `termion::raw::IntoRawMode`
[INFO] [stdout]  --> src/bin/day17-1.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use termion::raw::IntoRawMode;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/bin/day23-1.rs:103:5
[INFO] [stdout]     |
[INFO] [stdout]  78 | /     loop {
[INFO] [stdout]  79 | |         let oper_r = sel.select_timeout(Duration::from_millis(500));
[INFO] [stdout]  80 | |         if oper_r.is_err() {
[INFO] [stdout]  81 | |             println!("sending: {:?}", last_xy);
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |         ss[addr as usize].send((x, y)).unwrap();
[INFO] [stdout] 101 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 102 |
[INFO] [stdout] 103 |       Ok(())
[INFO] [stdout]     |       ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `all_keys`
[INFO] [stdout]   --> src/bin/day18-1.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let all_keys = find_all_keys(&puzzle);
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_all_keys`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/bin/day16-1.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     for i in 0..n {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/bin/day13-1.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let (input, output) = aoc2019::intcode::start_intcode_thread(&program);
[INFO] [stdout]    |          ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/bin/day17-3.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |       return Ok(());
[INFO] [stdout]    |       ------------- any code following this expression is unreachable
[INFO] [stdout] 52 |
[INFO] [stdout] 53 | /     let l = s
[INFO] [stdout] 54 | |         .lines()
[INFO] [stdout] 55 | |         .map(|l| l.chars().collect::<Vec<char>>())
[INFO] [stdout] 56 | |         .collect::<Vec<Vec<char>>>();
[INFO] [stdout]    | |_____________________________________^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day21-2.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let mut prog = vec![
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day17-3.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut s = String::new();
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/bin/day17-3.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut s = String::new();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Walk` is never constructed
[INFO] [stdout]   --> src/bin/day21-2.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | enum Instruction {
[INFO] [stdout]    |      ----------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 24 |     Walk,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/bin/day17-3.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |       return Ok(());
[INFO] [stdout]    |       ------------- any code following this expression is unreachable
[INFO] [stdout] 52 |
[INFO] [stdout] 53 | /     let l = s
[INFO] [stdout] 54 | |         .lines()
[INFO] [stdout] 55 | |         .map(|l| l.chars().collect::<Vec<char>>())
[INFO] [stdout] 56 | |         .collect::<Vec<Vec<char>>>();
[INFO] [stdout]    | |_____________________________________^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day17-3.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut s = String::new();
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/bin/day17-3.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut s = String::new();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day21-1.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let mut prog = vec![
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day19-2.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let mut s = String::new();
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day19-2.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let mut p = 0;
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/bin/day16-1.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     for i in 0..n {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/bin/day20-2.rs:126:24
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     if (inwards || q.2 > 0) {
[INFO] [stdout]     |                        ^                  ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 126 -                     if (inwards || q.2 > 0) {
[INFO] [stdout] 126 +                     if inwards || q.2 > 0 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crossbeam::select`
[INFO] [stdout]   --> src/bin/day13-2.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crossbeam::select;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stdin`
[INFO] [stdout]   --> src/bin/day13-2.rs:13:15
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::io::{stdin, stdout, Write};
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `termion::event::Key`
[INFO] [stdout]   --> src/bin/day13-2.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use termion::event::Key;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `termion::input::TermRead`
[INFO] [stdout]   --> src/bin/day13-2.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use termion::input::TermRead;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BinaryHeap`
[INFO] [stdout]  --> src/bin/day13-3.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::collections::BinaryHeap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crossbeam::select`
[INFO] [stdout]   --> src/bin/day13-3.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crossbeam::select;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day21-1.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let mut prog = vec![
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/day13-2.rs:100:13
[INFO] [stdout]     |
[INFO] [stdout] 100 | /             write!(
[INFO] [stdout] 101 | |                 stdout,
[INFO] [stdout] 102 | |                 "{}{}",
[INFO] [stdout] 103 | |                 termion::clear::All,
[INFO] [stdout] 104 | |                 termion::cursor::Goto(1, 1)
[INFO] [stdout] 105 | |             );
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 100 |             let _ = write!(
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/day13-2.rs:107:17
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 write!(stdout, "{}", termion::cursor::Goto(1, (y as u16) + 1));
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 let _ = write!(stdout, "{}", termion::cursor::Goto(1, (y as u16) + 1));
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/day13-2.rs:109:21
[INFO] [stdout]     |
[INFO] [stdout] 109 |                     write!(stdout, "{}", grid[y][x]);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 109 |                     let _ = write!(stdout, "{}", grid[y][x]);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/day13-2.rs:112:13
[INFO] [stdout]     |
[INFO] [stdout] 112 | /             write!(
[INFO] [stdout] 113 | |                 stdout,
[INFO] [stdout] 114 | |                 "{}score: {}",
[INFO] [stdout] 115 | |                 termion::cursor::Goto(1, 31),
[INFO] [stdout] 116 | |                 max_score
[INFO] [stdout] 117 | |             );
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 112 |             let _ = write!(
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day21-2.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let mut prog = vec![
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/bin/day13-3.rs:466:5
[INFO] [stdout]     |
[INFO] [stdout] 298 | /     loop {
[INFO] [stdout] 299 | |         let (s, r) = bounded(0);
[INFO] [stdout] 300 | |         let (ss, rs) = unbounded();
[INFO] [stdout] 301 | |         let (gs, gr) = unbounded();
[INFO] [stdout] ...   |
[INFO] [stdout] 464 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 465 |
[INFO] [stdout] 466 |       Ok(())
[INFO] [stdout]     |       ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BinaryHeap`
[INFO] [stdout]  --> src/bin/day13-3.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::collections::BinaryHeap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crossbeam::select`
[INFO] [stdout]   --> src/bin/day13-3.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crossbeam::select;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Walk` is never constructed
[INFO] [stdout]   --> src/bin/day21-2.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | enum Instruction {
[INFO] [stdout]    |      ----------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 24 |     Walk,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/bin/day13-3.rs:355:13
[INFO] [stdout]     |
[INFO] [stdout] 355 |         let i = try_game(&program, &qq, s2).unwrap();
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `QueueItem` is never constructed
[INFO] [stdout]    --> src/bin/day13-3.rs:137:8
[INFO] [stdout]     |
[INFO] [stdout] 137 | struct QueueItem(i64, usize, Vec<i64>);
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/bin/day13-1.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let (input, output) = aoc2019::intcode::start_intcode_thread(&program);
[INFO] [stdout]    |          ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/bin/day13-3.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 | /             write!(
[INFO] [stdout] 83 | |                 stdout,
[INFO] [stdout] 84 | |                 "{}Score: {:10} {:10}                ",
[INFO] [stdout] 85 | |                 termion::cursor::Goto(1, 2),
[INFO] [stdout] 86 | |                 tile_id,
[INFO] [stdout] 87 | |                 max_score
[INFO] [stdout] 88 | |             );
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 82 |             let _ = write!(
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/bin/day13-3.rs:98:13
[INFO] [stdout]    |
[INFO] [stdout] 98 |             grids.send((tile_id, grid));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 98 |             let _ = grids.send((tile_id, grid));
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/day13-3.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 110 | /         write!(
[INFO] [stdout] 111 | |             stdout,
[INFO] [stdout] 112 | |             "{}{}",
[INFO] [stdout] 113 | |             termion::clear::All,
[INFO] [stdout] 114 | |             termion::cursor::Goto(1, 1)
[INFO] [stdout] 115 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 110 |         let _ = write!(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/day13-3.rs:117:13
[INFO] [stdout]     |
[INFO] [stdout] 117 |             write!(stdout, "{}", termion::cursor::Goto(1, (y as u16) + 1));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 117 |             let _ = write!(stdout, "{}", termion::cursor::Goto(1, (y as u16) + 1));
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/day13-3.rs:119:17
[INFO] [stdout]     |
[INFO] [stdout] 119 |                 write!(stdout, "{}", grid[y][x]);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 119 |                 let _ = write!(stdout, "{}", grid[y][x]);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/day13-3.rs:122:9
[INFO] [stdout]     |
[INFO] [stdout] 122 |         write!(stdout, "{}", termion::cursor::Goto(1, 23));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 122 |         let _ = write!(stdout, "{}", termion::cursor::Goto(1, 23));
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/day13-3.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout] 124 |             write!(stdout, "{}", x % 10);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 124 |             let _ = write!(stdout, "{}", x % 10);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/day13-3.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 | /         write!(
[INFO] [stdout] 127 | |             stdout,
[INFO] [stdout] 128 | |             "{}score: {}",
[INFO] [stdout] 129 | |             termion::cursor::Goto(1, 24),
[INFO] [stdout] 130 | |             max_score
[INFO] [stdout] 131 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 126 |         let _ = write!(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/day13-3.rs:436:21
[INFO] [stdout]     |
[INFO] [stdout] 436 |                     write!(stdout, "{}", termion::cursor::Goto(1, (y as u16) + 1));
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 436 |                     let _ = write!(stdout, "{}", termion::cursor::Goto(1, (y as u16) + 1));
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/day13-3.rs:438:25
[INFO] [stdout]     |
[INFO] [stdout] 438 |                         write!(stdout, "{}", grids[idx].1[y][x]);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 438 |                         let _ = write!(stdout, "{}", grids[idx].1[y][x]);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/bin/day20-2.rs:126:24
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     if (inwards || q.2 > 0) {
[INFO] [stdout]     |                        ^                  ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 126 -                     if (inwards || q.2 > 0) {
[INFO] [stdout] 126 +                     if inwards || q.2 > 0 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/bin/day13-3.rs:466:5
[INFO] [stdout]     |
[INFO] [stdout] 298 | /     loop {
[INFO] [stdout] 299 | |         let (s, r) = bounded(0);
[INFO] [stdout] 300 | |         let (ss, rs) = unbounded();
[INFO] [stdout] 301 | |         let (gs, gr) = unbounded();
[INFO] [stdout] ...   |
[INFO] [stdout] 464 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 465 |
[INFO] [stdout] 466 |       Ok(())
[INFO] [stdout]     |       ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/bin/day13-3.rs:355:13
[INFO] [stdout]     |
[INFO] [stdout] 355 |         let i = try_game(&program, &qq, s2).unwrap();
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `QueueItem` is never constructed
[INFO] [stdout]    --> src/bin/day13-3.rs:137:8
[INFO] [stdout]     |
[INFO] [stdout] 137 | struct QueueItem(i64, usize, Vec<i64>);
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/bin/day13-3.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 | /             write!(
[INFO] [stdout] 83 | |                 stdout,
[INFO] [stdout] 84 | |                 "{}Score: {:10} {:10}                ",
[INFO] [stdout] 85 | |                 termion::cursor::Goto(1, 2),
[INFO] [stdout] 86 | |                 tile_id,
[INFO] [stdout] 87 | |                 max_score
[INFO] [stdout] 88 | |             );
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 82 |             let _ = write!(
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/bin/day13-3.rs:98:13
[INFO] [stdout]    |
[INFO] [stdout] 98 |             grids.send((tile_id, grid));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 98 |             let _ = grids.send((tile_id, grid));
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/day13-3.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 110 | /         write!(
[INFO] [stdout] 111 | |             stdout,
[INFO] [stdout] 112 | |             "{}{}",
[INFO] [stdout] 113 | |             termion::clear::All,
[INFO] [stdout] 114 | |             termion::cursor::Goto(1, 1)
[INFO] [stdout] 115 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 110 |         let _ = write!(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/day13-3.rs:117:13
[INFO] [stdout]     |
[INFO] [stdout] 117 |             write!(stdout, "{}", termion::cursor::Goto(1, (y as u16) + 1));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 117 |             let _ = write!(stdout, "{}", termion::cursor::Goto(1, (y as u16) + 1));
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/day13-3.rs:119:17
[INFO] [stdout]     |
[INFO] [stdout] 119 |                 write!(stdout, "{}", grid[y][x]);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 119 |                 let _ = write!(stdout, "{}", grid[y][x]);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/day13-3.rs:122:9
[INFO] [stdout]     |
[INFO] [stdout] 122 |         write!(stdout, "{}", termion::cursor::Goto(1, 23));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 122 |         let _ = write!(stdout, "{}", termion::cursor::Goto(1, 23));
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/day13-3.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout] 124 |             write!(stdout, "{}", x % 10);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 124 |             let _ = write!(stdout, "{}", x % 10);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/day13-3.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 | /         write!(
[INFO] [stdout] 127 | |             stdout,
[INFO] [stdout] 128 | |             "{}score: {}",
[INFO] [stdout] 129 | |             termion::cursor::Goto(1, 24),
[INFO] [stdout] 130 | |             max_score
[INFO] [stdout] 131 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 126 |         let _ = write!(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/day13-3.rs:436:21
[INFO] [stdout]     |
[INFO] [stdout] 436 |                     write!(stdout, "{}", termion::cursor::Goto(1, (y as u16) + 1));
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 436 |                     let _ = write!(stdout, "{}", termion::cursor::Goto(1, (y as u16) + 1));
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/day13-3.rs:438:25
[INFO] [stdout]     |
[INFO] [stdout] 438 |                         write!(stdout, "{}", grids[idx].1[y][x]);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 438 |                         let _ = write!(stdout, "{}", grids[idx].1[y][x]);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `termion::raw::IntoRawMode`
[INFO] [stdout]  --> src/bin/day17-1.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use termion::raw::IntoRawMode;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day19-2.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let mut s = String::new();
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day19-2.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let mut p = 0;
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crossbeam::select`
[INFO] [stdout]   --> src/bin/day13-2.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crossbeam::select;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stdin`
[INFO] [stdout]   --> src/bin/day13-2.rs:13:15
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::io::{stdin, stdout, Write};
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `termion::event::Key`
[INFO] [stdout]   --> src/bin/day13-2.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use termion::event::Key;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `termion::input::TermRead`
[INFO] [stdout]   --> src/bin/day13-2.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use termion::input::TermRead;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/day15-1.rs:135:5
[INFO] [stdout]     |
[INFO] [stdout] 135 |     write!(stdout, "{}", termion::clear::All,);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 135 |     let _ = write!(stdout, "{}", termion::clear::All,);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/day15-1.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 | /         write!(
[INFO] [stdout] 138 | |             stdout,
[INFO] [stdout] 139 | |             "{}",
[INFO] [stdout] 140 | |             termion::cursor::Goto(1, 1 + (y - min_y) as u16)
[INFO] [stdout] 141 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 137 |         let _ = write!(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/day13-2.rs:100:13
[INFO] [stdout]     |
[INFO] [stdout] 100 | /             write!(
[INFO] [stdout] 101 | |                 stdout,
[INFO] [stdout] 102 | |                 "{}{}",
[INFO] [stdout] 103 | |                 termion::clear::All,
[INFO] [stdout] 104 | |                 termion::cursor::Goto(1, 1)
[INFO] [stdout] 105 | |             );
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 100 |             let _ = write!(
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/day13-2.rs:107:17
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 write!(stdout, "{}", termion::cursor::Goto(1, (y as u16) + 1));
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 let _ = write!(stdout, "{}", termion::cursor::Goto(1, (y as u16) + 1));
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/day13-2.rs:109:21
[INFO] [stdout]     |
[INFO] [stdout] 109 |                     write!(stdout, "{}", grid[y][x]);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 109 |                     let _ = write!(stdout, "{}", grid[y][x]);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/day13-2.rs:112:13
[INFO] [stdout]     |
[INFO] [stdout] 112 | /             write!(
[INFO] [stdout] 113 | |                 stdout,
[INFO] [stdout] 114 | |                 "{}score: {}",
[INFO] [stdout] 115 | |                 termion::cursor::Goto(1, 31),
[INFO] [stdout] 116 | |                 max_score
[INFO] [stdout] 117 | |             );
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 112 |             let _ = write!(
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/day15-1.rs:135:5
[INFO] [stdout]     |
[INFO] [stdout] 135 |     write!(stdout, "{}", termion::clear::All,);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 135 |     let _ = write!(stdout, "{}", termion::clear::All,);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/day15-1.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 | /         write!(
[INFO] [stdout] 138 | |             stdout,
[INFO] [stdout] 139 | |             "{}",
[INFO] [stdout] 140 | |             termion::cursor::Goto(1, 1 + (y - min_y) as u16)
[INFO] [stdout] 141 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 137 |         let _ = write!(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.26s
[INFO] running `Command { std: "docker" "inspect" "cb8d8723eb4eeeb03581eb0f7f573ea43a127aaea85bd4e2139f163d94cee714", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb8d8723eb4eeeb03581eb0f7f573ea43a127aaea85bd4e2139f163d94cee714", kill_on_drop: false }`
[INFO] [stdout] cb8d8723eb4eeeb03581eb0f7f573ea43a127aaea85bd4e2139f163d94cee714
