[INFO] cloning repository https://github.com/aopal/aoc-2022-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aopal/aoc-2022-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faopal%2Faoc-2022-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faopal%2Faoc-2022-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1d585a726244167b78fd958991de09eeadd072fa
[INFO] linting aopal/aoc-2022-rust against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faopal%2Faoc-2022-rust" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-1-tc1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/aopal/aoc-2022-rust
[INFO] finished tweaking git repo https://github.com/aopal/aoc-2022-rust
[INFO] tweaked toml for git repo https://github.com/aopal/aoc-2022-rust written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/aopal/aoc-2022-rust on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/aopal/aoc-2022-rust 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" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded colored v2.0.0
[INFO] [stderr]   Downloaded priority-queue v1.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 735ac8010b6551e0c4da50ec16451e8f7fbf20cf5f4ee6119c3e5f2ebb75c86d
[INFO] running `Command { std: "docker" "start" "-a" "735ac8010b6551e0c4da50ec16451e8f7fbf20cf5f4ee6119c3e5f2ebb75c86d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "735ac8010b6551e0c4da50ec16451e8f7fbf20cf5f4ee6119c3e5f2ebb75c86d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "735ac8010b6551e0c4da50ec16451e8f7fbf20cf5f4ee6119c3e5f2ebb75c86d", kill_on_drop: false }`
[INFO] [stdout] 735ac8010b6551e0c4da50ec16451e8f7fbf20cf5f4ee6119c3e5f2ebb75c86d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c713e5590191ff72203e46d85ec51af3e959debea06a2ecec6ef08f3e0561cb2
[INFO] running `Command { std: "docker" "start" "-a" "c713e5590191ff72203e46d85ec51af3e959debea06a2ecec6ef08f3e0561cb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling priority-queue v1.3.0
[INFO] [stderr]     Checking pico-args v0.5.0
[INFO] [stderr]     Checking regex v1.7.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking advent_of_code v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/bin/05.rs:194:13
[INFO] [stdout]     |
[INFO] [stdout] 194 |             n: n,
[INFO] [stdout]     |             ^^^^ help: replace it with: `n`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout]     = note: `#[warn(clippy::redundant_field_names)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: file opened with `create`, but `truncate` behavior not defined
[INFO] [stdout]   --> src/bin/scaffold.rs:53:36
[INFO] [stdout]    |
[INFO] [stdout] 53 |     OpenOptions::new().write(true).create(true).open(path)
[INFO] [stdout]    |                                    ^^^^^^^^^^^^- help: add: `.truncate(true)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you intend to overwrite an existing file entirely, call `.truncate(true)`
[INFO] [stdout]    = help: if you instead know that you may want to keep some parts of the old file, call `.truncate(false)`
[INFO] [stdout]    = help: alternatively, use `.append(true)` to append to the file instead of overwriting it
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_open_options
[INFO] [stdout]    = note: `#[warn(clippy::suspicious_open_options)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `max_elf` is assigned to, but never used
[INFO] [stdout]  --> src/bin/01.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut max_elf: u32 = 0;
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider using `_max_elf` instead
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `max_elf` is never read
[INFO] [stdout]   --> src/bin/01.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |             max_elf = i
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source_dists`
[INFO] [stdout]    --> src/bin/12.rs:129:9
[INFO] [stdout]     |
[INFO] [stdout] 129 |     let source_dists = dijkstra(&graph, source);
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_source_dists`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `min_source` is assigned to, but never used
[INFO] [stdout]    --> src/bin/12.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |     let mut min_source: (usize, usize) = (0,0);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_min_source` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `min_source` is never read
[INFO] [stdout]    --> src/bin/12.rs:144:17
[INFO] [stdout]     |
[INFO] [stdout] 144 |                 min_source = point;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `print!()` with a format string that ends in a single newline
[INFO] [stdout]   --> src/bin/12.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         print!("\n");
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stdout]    = note: `#[warn(clippy::print_with_newline)]` on by default
[INFO] [stdout] help: use `println!` instead
[INFO] [stdout]    |
[INFO] [stdout] 25 -         print!("\n");
[INFO] [stdout] 25 +         println!();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/bin/12.rs:29:19
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn char_at(graph: &Vec<&str>, point: (usize, usize)) -> char {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout]    = note: `#[warn(clippy::ptr_arg)]` on by default
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 29 - fn char_at(graph: &Vec<&str>, point: (usize, usize)) -> char {
[INFO] [stdout] 29 + fn char_at(graph: &[&str], point: (usize, usize)) -> char {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stdout]   --> src/bin/12.rs:75:59
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn dijkstra(graph: &Vec<&str>, source: (usize, usize)) -> (HashMap<(usize, usize), u32>, HashMap<(usize, usize), (usize, usize)>) {
[INFO] [stdout]    |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stdout]    = note: `#[warn(clippy::type_complexity)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting integer literal to `u32` is unnecessary
[INFO] [stdout]   --> src/bin/12.rs:79:26
[INFO] [stdout]    |
[INFO] [stdout] 79 |     dists.insert(source, 0 as u32);
[INFO] [stdout]    |                          ^^^^^^^^ help: try: `0_u32`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_cast)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting integer literal to `u32` is unnecessary
[INFO] [stdout]   --> src/bin/12.rs:80:21
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pq.push(source, 0 as u32);
[INFO] [stdout]    |                     ^^^^^^^^ help: try: `0_u32`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/bin/12.rs:82:11
[INFO] [stdout]    |
[INFO] [stdout] 82 |     while pq.len() != 0 {
[INFO] [stdout]    |           ^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!pq.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout]    = note: `#[warn(clippy::len_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/bin/12.rs:84:41
[INFO] [stdout]    |
[INFO] [stdout] 84 |         for neighbour in get_neighbours(&graph, curr) {
[INFO] [stdout]    |                                         ^^^^^^ help: change this to: `graph`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]    = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/bin/12.rs:123:5
[INFO] [stdout]     |
[INFO] [stdout] 123 |     return Some(dists[&target])
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]     = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 123 -     return Some(dists[&target])
[INFO] [stdout] 123 +     Some(dists[&target])
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`u32` -> `u32`)
[INFO] [stdout]    --> src/bin/12.rs:152:10
[INFO] [stdout]     |
[INFO] [stdout] 152 |     Some(min_dist as u32)
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^ help: try: `min_dist`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/bin/01.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     return Option::<u32>::from(max_cals);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 21 -     return Option::<u32>::from(max_cals);
[INFO] [stdout] 21 +     Option::<u32>::from(max_cals)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the variable `i` is used as a loop counter
[INFO] [stdout]  --> src/bin/01.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     for elf in elves.iter() {
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `for (i, elf) in (0_u32..).zip(elves.iter())`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `i` is of type `u32`, making it ineligible for `Iterator::enumerate`
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_counter_loop
[INFO] [stdout]   = note: `#[warn(clippy::explicit_counter_loop)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/bin/01.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     return Option::<u32>::from(final_sum);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 43 -     return Option::<u32>::from(final_sum);
[INFO] [stdout] 43 +     Option::<u32>::from(final_sum)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this operation has no effect
[INFO] [stdout]   --> src/bin/02.rs:25:41
[INFO] [stdout]    |
[INFO] [stdout] 25 |     score_map.insert("A Z".to_string(), 0 + 3);
[INFO] [stdout]    |                                         ^^^^^ help: consider reducing it to: `3`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stdout]    = note: `#[warn(clippy::identity_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this operation has no effect
[INFO] [stdout]   --> src/bin/02.rs:26:41
[INFO] [stdout]    |
[INFO] [stdout] 26 |     score_map.insert("B X".to_string(), 0 + 1);
[INFO] [stdout]    |                                         ^^^^^ help: consider reducing it to: `1`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp`
[INFO] [stdout]  --> src/bin/15.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cmp;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this operation has no effect
[INFO] [stdout]   --> src/bin/02.rs:30:41
[INFO] [stdout]    |
[INFO] [stdout] 30 |     score_map.insert("C Y".to_string(), 0 + 2);
[INFO] [stdout]    |                                         ^^^^^ help: consider reducing it to: `2`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this operation has no effect
[INFO] [stdout]   --> src/bin/02.rs:39:41
[INFO] [stdout]    |
[INFO] [stdout] 39 |     score_map.insert("A X".to_string(), 0 + 3); // 0+3 = score for losing + score for playing scissors
[INFO] [stdout]    |                                         ^^^^^ help: consider reducing it to: `3`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this operation has no effect
[INFO] [stdout]   --> src/bin/02.rs:42:41
[INFO] [stdout]    |
[INFO] [stdout] 42 |     score_map.insert("B X".to_string(), 0 + 1);
[INFO] [stdout]    |                                         ^^^^^ help: consider reducing it to: `1`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this operation has no effect
[INFO] [stdout]   --> src/bin/02.rs:45:41
[INFO] [stdout]    |
[INFO] [stdout] 45 |     score_map.insert("C X".to_string(), 0 + 2);
[INFO] [stdout]    |                                         ^^^^^ help: consider reducing it to: `2`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `.nth(0)` on a `std::iter::Iterator`, when `.next()` is equivalent
[INFO] [stdout]   --> src/bin/02.rs:57:29
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let opponent_char = line.chars().nth(0).unwrap() as i32 - 65;
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^ help: try calling `.next()` instead of `.nth(0)`: `line.chars().next()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_nth_zero
[INFO] [stdout]    = note: `#[warn(clippy::iter_nth_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&String` instead of `&str` involves a new object where a slice will do
[INFO] [stdout]   --> src/bin/03.rs:66:22
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn count_chars(line: &String, char_map: &mut [u32; 53]) {
[INFO] [stdout]    |                      ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout]    = note: `#[warn(clippy::ptr_arg)]` on by default
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 66 - fn count_chars(line: &String, char_map: &mut [u32; 53]) {
[INFO] [stdout] 66 + fn count_chars(line: &str, char_map: &mut [u32; 53]) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual `RangeInclusive::contains` implementation
[INFO] [stdout]   --> src/bin/03.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 77 |     if i >= 65 && i <= 90 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^ help: use: `(65..=90).contains(&i)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_range_contains
[INFO] [stdout]    = note: `#[warn(clippy::manual_range_contains)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual `RangeInclusive::contains` implementation
[INFO] [stdout]   --> src/bin/03.rs:80:15
[INFO] [stdout]    |
[INFO] [stdout] 80 |     } else if i >= 97 && i <= 122 {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^ help: use: `(97..=122).contains(&i)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_range_contains
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/bin/08.rs:85:23
[INFO] [stdout]    |
[INFO] [stdout] 85 | fn visible_from(grid: &Vec<String>, point: (usize, usize)) -> u32 {
[INFO] [stdout]    |                       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout]    = note: `#[warn(clippy::ptr_arg)]` on by default
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 85 - fn visible_from(grid: &Vec<String>, point: (usize, usize)) -> u32 {
[INFO] [stdout] 85 + fn visible_from(grid: &[String], point: (usize, usize)) -> u32 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is only used to index `grid`
[INFO] [stdout]    --> src/bin/08.rs:103:14
[INFO] [stdout]     |
[INFO] [stdout] 103 |     for i in point.0 + 1..grid.len() {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout]     = note: `#[warn(clippy::needless_range_loop)]` on by default
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]     |
[INFO] [stdout] 103 -     for i in point.0 + 1..grid.len() {
[INFO] [stdout] 103 +     for <item> in grid.iter().skip(point.0 + 1) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded late initialization
[INFO] [stdout]   --> src/bin/09.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |           let vec: (i32, i32);
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^ created here
[INFO] [stdout] 18 | /         vec = match dir {
[INFO] [stdout] 19 | |             "R" => (1, 0),
[INFO] [stdout] 20 | |             "L" => (-1, 0),
[INFO] [stdout] 21 | |             "U" => (0, -1),
[INFO] [stdout] 22 | |             "D" => (0, 1),
[INFO] [stdout] 23 | |             _ => (0, 0),
[INFO] [stdout] 24 | |         };
[INFO] [stdout]    | |_________^ initialised here
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_late_init
[INFO] [stdout]    = note: `#[warn(clippy::needless_late_init)]` on by default
[INFO] [stdout] help: move the declaration `vec` here
[INFO] [stdout]    |
[INFO] [stdout] 17 ~         
[INFO] [stdout] 18 ~         let vec: (i32, i32) = match dir {
[INFO] [stdout] 19 +             "R" => (1, 0),
[INFO] [stdout] 20 +             "L" => (-1, 0),
[INFO] [stdout] 21 +             "U" => (0, -1),
[INFO] [stdout] 22 +             "D" => (0, 1),
[INFO] [stdout] 23 +             _ => (0, 0),
[INFO] [stdout] 24 ~         };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/bin/04.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | /         (self.low >= other.low && self.low <= other.high)
[INFO] [stdout] 23 | |             || (self.high >= other.low && self.low <= other.high)
[INFO] [stdout]    | |_________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 22 -         (self.low >= other.low && self.low <= other.high)
[INFO] [stdout] 23 -             || (self.high >= other.low && self.low <= other.high)
[INFO] [stdout] 22 +         !(self.low > other.high || self.low < other.low && self.high < other.low)
[INFO] [stdout]    |
[INFO] [stdout] 22 -         (self.low >= other.low && self.low <= other.high)
[INFO] [stdout] 23 -             || (self.high >= other.low && self.low <= other.high)
[INFO] [stdout] 22 +         (self.high >= other.low || self.low >= other.low) && self.low <= other.high
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this operation has no effect
[INFO] [stdout]   --> src/bin/02.rs:25:41
[INFO] [stdout]    |
[INFO] [stdout] 25 |     score_map.insert("A Z".to_string(), 0 + 3);
[INFO] [stdout]    |                                         ^^^^^ help: consider reducing it to: `3`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stdout]    = note: `#[warn(clippy::identity_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this operation has no effect
[INFO] [stdout]   --> src/bin/02.rs:26:41
[INFO] [stdout]    |
[INFO] [stdout] 26 |     score_map.insert("B X".to_string(), 0 + 1);
[INFO] [stdout]    |                                         ^^^^^ help: consider reducing it to: `1`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this operation has no effect
[INFO] [stdout]   --> src/bin/02.rs:30:41
[INFO] [stdout]    |
[INFO] [stdout] 30 |     score_map.insert("C Y".to_string(), 0 + 2);
[INFO] [stdout]    |                                         ^^^^^ help: consider reducing it to: `2`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this operation has no effect
[INFO] [stdout]   --> src/bin/02.rs:39:41
[INFO] [stdout]    |
[INFO] [stdout] 39 |     score_map.insert("A X".to_string(), 0 + 3); // 0+3 = score for losing + score for playing scissors
[INFO] [stdout]    |                                         ^^^^^ help: consider reducing it to: `3`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this operation has no effect
[INFO] [stdout]   --> src/bin/02.rs:42:41
[INFO] [stdout]    |
[INFO] [stdout] 42 |     score_map.insert("B X".to_string(), 0 + 1);
[INFO] [stdout]    |                                         ^^^^^ help: consider reducing it to: `1`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this operation has no effect
[INFO] [stdout]   --> src/bin/02.rs:45:41
[INFO] [stdout]    |
[INFO] [stdout] 45 |     score_map.insert("C X".to_string(), 0 + 2);
[INFO] [stdout]    |                                         ^^^^^ help: consider reducing it to: `2`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `.nth(0)` on a `std::iter::Iterator`, when `.next()` is equivalent
[INFO] [stdout]   --> src/bin/02.rs:57:29
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let opponent_char = line.chars().nth(0).unwrap() as i32 - 65;
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^ help: try calling `.next()` instead of `.nth(0)`: `line.chars().next()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_nth_zero
[INFO] [stdout]    = note: `#[warn(clippy::iter_nth_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&String` instead of `&str` involves a new object where a slice will do
[INFO] [stdout]   --> src/bin/03.rs:66:22
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn count_chars(line: &String, char_map: &mut [u32; 53]) {
[INFO] [stdout]    |                      ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout]    = note: `#[warn(clippy::ptr_arg)]` on by default
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 66 - fn count_chars(line: &String, char_map: &mut [u32; 53]) {
[INFO] [stdout] 66 + fn count_chars(line: &str, char_map: &mut [u32; 53]) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual `RangeInclusive::contains` implementation
[INFO] [stdout]   --> src/bin/03.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 77 |     if i >= 65 && i <= 90 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^ help: use: `(65..=90).contains(&i)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_range_contains
[INFO] [stdout]    = note: `#[warn(clippy::manual_range_contains)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual `RangeInclusive::contains` implementation
[INFO] [stdout]   --> src/bin/03.rs:80:15
[INFO] [stdout]    |
[INFO] [stdout] 80 |     } else if i >= 97 && i <= 122 {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^ help: use: `(97..=122).contains(&i)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_range_contains
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `sx` is never read
[INFO] [stdout]   --> src/bin/15.rs:37:14
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let (mut sx,mut sy,mut bx,mut by) = (0,0,0,0);
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `sy` is never read
[INFO] [stdout]   --> src/bin/15.rs:37:21
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let (mut sx,mut sy,mut bx,mut by) = (0,0,0,0);
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bx` is never read
[INFO] [stdout]   --> src/bin/15.rs:37:28
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let (mut sx,mut sy,mut bx,mut by) = (0,0,0,0);
[INFO] [stdout]    |                            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `by` is never read
[INFO] [stdout]   --> src/bin/15.rs:37:35
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let (mut sx,mut sy,mut bx,mut by) = (0,0,0,0);
[INFO] [stdout]    |                                   ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `range`
[INFO] [stdout]   --> src/bin/15.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |         for range in ranges.iter() {
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_range`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `point` is never read
[INFO] [stdout]   --> src/bin/15.rs:94:21
[INFO] [stdout]    |
[INFO] [stdout] 94 |     let mut point = (-1,-1);
[INFO] [stdout]    |                     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MultiRange` is never constructed
[INFO] [stdout]  --> src/bin/15.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct MultiRange {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `print!()` with a format string that ends in a single newline
[INFO] [stdout]   --> src/bin/10.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |             print!("\n");
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stdout]    = note: `#[warn(clippy::print_with_newline)]` on by default
[INFO] [stdout] help: use `println!` instead
[INFO] [stdout]    |
[INFO] [stdout] 45 -             print!("\n");
[INFO] [stdout] 45 +             println!();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `print!()` with a format string that ends in a single newline
[INFO] [stdout]   --> src/bin/10.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |             print!("\n");
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stdout]    = note: `#[warn(clippy::print_with_newline)]` on by default
[INFO] [stdout] help: use `println!` instead
[INFO] [stdout]    |
[INFO] [stdout] 45 -             print!("\n");
[INFO] [stdout] 45 +             println!();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `unwrap` on `d` after checking its variant with `is_some`
[INFO] [stdout]   --> src/bin/05.rs:39:26
[INFO] [stdout]    |
[INFO] [stdout] 38 |             if d.is_some() {
[INFO] [stdout]    |             -------------- help: try: `if let Some(<item>) = d`
[INFO] [stdout] 39 |                 out.push(d.unwrap());
[INFO] [stdout]    |                          ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_unwrap
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_unwrap)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `reserve` immediately after creation
[INFO] [stdout]   --> src/bin/05.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 | /         let mut out = Vec::<char>::new();
[INFO] [stdout] 34 | |         out.reserve(n as usize);
[INFO] [stdout]    | |________________________________^ help: consider using `Vec::with_capacity(/* Space hint */)`: `let mut out = Vec::with_capacity(n as usize);`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#reserve_after_initialization
[INFO] [stdout]    = note: `#[warn(clippy::reserve_after_initialization)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: accessing last element with `self.data.get(self.data.len() - 1)`
[INFO] [stdout]   --> src/bin/05.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         self.data.get(self.data.len() - 1).unwrap().to_owned()
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `self.data.back()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_last_with_len
[INFO] [stdout]    = note: `#[warn(clippy::get_last_with_len)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `reserve` immediately after creation
[INFO] [stdout]    --> src/bin/05.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 109 | /         let mut tops = Vec::<char>::new();
[INFO] [stdout] 110 | |         tops.reserve(self.stacks.len());
[INFO] [stdout]     | |________________________________________^ help: consider using `Vec::with_capacity(/* Space hint */)`: `let mut tops = Vec::with_capacity(self.stacks.len());`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#reserve_after_initialization
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `print!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/bin/05.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |         print!("\n");
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stdout]     = note: `#[warn(clippy::print_with_newline)]` on by default
[INFO] [stdout] help: use `println!` instead
[INFO] [stdout]     |
[INFO] [stdout] 123 -         print!("\n");
[INFO] [stdout] 123 +         println!();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/bin/05.rs:130:13
[INFO] [stdout]     |
[INFO] [stdout] 130 |             write!(f, "{}: {}\n", i + 1, stack);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout]     = note: `#[warn(clippy::write_with_newline)]` on by default
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]     |
[INFO] [stdout] 130 -             write!(f, "{}: {}\n", i + 1, stack);
[INFO] [stdout] 130 +             writeln!(f, "{}: {}", i + 1, stack);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/bin/05.rs:173:12
[INFO] [stdout]     |
[INFO] [stdout] 173 |         if line.len() == 0 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `line.is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout]     = note: `#[warn(clippy::len_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded late initialization
[INFO] [stdout]   --> src/bin/09.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |           let vec: (i32, i32);
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^ created here
[INFO] [stdout] 18 | /         vec = match dir {
[INFO] [stdout] 19 | |             "R" => (1, 0),
[INFO] [stdout] 20 | |             "L" => (-1, 0),
[INFO] [stdout] 21 | |             "U" => (0, -1),
[INFO] [stdout] 22 | |             "D" => (0, 1),
[INFO] [stdout] 23 | |             _ => (0, 0),
[INFO] [stdout] 24 | |         };
[INFO] [stdout]    | |_________^ initialised here
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_late_init
[INFO] [stdout]    = note: `#[warn(clippy::needless_late_init)]` on by default
[INFO] [stdout] help: move the declaration `vec` here
[INFO] [stdout]    |
[INFO] [stdout] 17 ~         
[INFO] [stdout] 18 ~         let vec: (i32, i32) = match dir {
[INFO] [stdout] 19 +             "R" => (1, 0),
[INFO] [stdout] 20 +             "L" => (-1, 0),
[INFO] [stdout] 21 +             "U" => (0, -1),
[INFO] [stdout] 22 +             "D" => (0, 1),
[INFO] [stdout] 23 +             _ => (0, 0),
[INFO] [stdout] 24 ~         };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/bin/11.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, VecDeque};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/bin/07.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |             name: name,
[INFO] [stdout]    |             ^^^^^^^^^^ help: replace it with: `name`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout]    = note: `#[warn(clippy::redundant_field_names)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/bin/07.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             index: index,
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: replace it with: `index`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/bin/07.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |             name: name,
[INFO] [stdout]    |             ^^^^^^^^^^ help: replace it with: `name`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/bin/07.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |             index: index,
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: replace it with: `index`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/bin/04.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | /         (self.low >= other.low && self.low <= other.high)
[INFO] [stdout] 23 | |             || (self.high >= other.low && self.low <= other.high)
[INFO] [stdout]    | |_________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 22 -         (self.low >= other.low && self.low <= other.high)
[INFO] [stdout] 23 -             || (self.high >= other.low && self.low <= other.high)
[INFO] [stdout] 22 +         !(self.low > other.high || self.low < other.low && self.high < other.low)
[INFO] [stdout]    |
[INFO] [stdout] 22 -         (self.low >= other.low && self.low <= other.high)
[INFO] [stdout] 23 -             || (self.high >= other.low && self.low <= other.high)
[INFO] [stdout] 22 +         (self.high >= other.low || self.low >= other.low) && self.low <= other.high
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/11.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let mut item = self.items.pop_front();
[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: redundant field names in struct initialization
[INFO] [stdout]   --> src/bin/06.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |             size: size,
[INFO] [stdout]    |             ^^^^^^^^^^ help: replace it with: `size`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout]    = note: `#[warn(clippy::redundant_field_names)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/bin/11.rs:195:17
[INFO] [stdout]     |
[INFO] [stdout] 195 | pub fn part_one(input: &str) -> Option<u32> {
[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 variable: `k`
[INFO] [stdout]    --> src/bin/11.rs:197:9
[INFO] [stdout]     |
[INFO] [stdout] 197 |     for k in 0..20 {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/bin/11.rs:223:17
[INFO] [stdout]     |
[INFO] [stdout] 223 | pub fn part_two(input: &str) -> Option<u32> {
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/bin/11.rs:225:9
[INFO] [stdout]     |
[INFO] [stdout] 225 |     for k in 0..10000 {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `init_sample` is never used
[INFO] [stdout]   --> src/bin/11.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn init_sample() -> Vec<Monkey>  {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this block may be rewritten with the `?` operator
[INFO] [stdout]   --> src/bin/11.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | /         if item.is_none() {
[INFO] [stdout] 16 | |             return None;
[INFO] [stdout] 17 | |         }
[INFO] [stdout]    | |_________^ help: replace it with: `item?;`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#question_mark
[INFO] [stdout]    = note: `#[warn(clippy::question_mark)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]   --> src/bin/11.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |             i = i/3;
[INFO] [stdout]    |             ^^^^^^^ help: replace it with: `i /= 3`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout]    = note: `#[warn(clippy::assign_op_pattern)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]   --> src/bin/11.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |             i = i % 9699690;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ help: replace it with: `i %= 9699690`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `i64` which implements the `Copy` trait
[INFO] [stdout]   --> src/bin/11.rs:29:32
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let idx = (self.throw)(i.clone());
[INFO] [stdout]    |                                ^^^^^^^^^ help: try removing the `clone` call: `i`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout]    = note: `#[warn(clippy::clone_on_copy)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`i64` -> `i64`)
[INFO] [stdout]   --> src/bin/11.rs:43:20
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 if ((x % 23) as i64).is_zero() {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^ help: try: `((x % 23))`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_cast)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`i64` -> `i64`)
[INFO] [stdout]   --> src/bin/11.rs:55:20
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 if ((x % 19) as i64).is_zero() {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^ help: try: `((x % 19))`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`i64` -> `i64`)
[INFO] [stdout]   --> src/bin/11.rs:67:20
[INFO] [stdout]    |
[INFO] [stdout] 67 |                 if ((x % 13) as i64).is_zero() {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^ help: try: `((x % 13))`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`i64` -> `i64`)
[INFO] [stdout]   --> src/bin/11.rs:79:20
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 if ((x % 17) as i64).is_zero() {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^ help: try: `((x % 17))`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/bin/11.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, VecDeque};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded late initialization
[INFO] [stdout]    --> src/bin/11.rs:90:5
[INFO] [stdout]     |
[INFO] [stdout]  90 |       let v: Vec<Monkey>;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^ created here
[INFO] [stdout]  91 |
[INFO] [stdout]  92 | /     v = vec![
[INFO] [stdout]  93 | |         Monkey {
[INFO] [stdout]  94 | |             n_inspected: 0,
[INFO] [stdout]  95 | |             items: VecDeque::from([i64::from(50), i64::from(70), i64::from(54), i64::from(83), i64::from(52), i64::from(78)]),
[INFO] [stdout] ...   |
[INFO] [stdout] 188 | |         },
[INFO] [stdout] 189 | |     ];
[INFO] [stdout]     | |_____^ initialised here
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_late_init
[INFO] [stdout]     = note: `#[warn(clippy::needless_late_init)]` on by default
[INFO] [stdout] help: move the declaration `v` here
[INFO] [stdout]     |
[INFO] [stdout]  90 ~     
[INFO] [stdout]  91 |
[INFO] [stdout]  92 ~     let v: Vec<Monkey> = vec![
[INFO] [stdout]  93 +         Monkey {
[INFO] [stdout]  94 +             n_inspected: 0,
[INFO] [stdout]  95 +             items: VecDeque::from([i64::from(50), i64::from(70), i64::from(54), i64::from(83), i64::from(52), i64::from(78)]),
[INFO] [stdout]  96 +             operation: |x: i64| -> i64 { x * 3 },
[INFO] [stdout]  97 +             throw: |x: i64| -> usize {
[INFO] [stdout]  98 +                 if ((x % 11) as i64).is_zero() {
[INFO] [stdout]  99 +                     2
[INFO] [stdout] 100 +                 } else {
[INFO] [stdout] 101 +                     7
[INFO] [stdout] 102 +                 }
[INFO] [stdout] 103 +             },
[INFO] [stdout] 104 +         },
[INFO] [stdout] 105 +         Monkey {
[INFO] [stdout] 106 +             n_inspected: 0,
[INFO] [stdout] 107 +             items: VecDeque::from([i64::from(71), i64::from(52), i64::from(58), i64::from(60), i64::from(71)]),
[INFO] [stdout] 108 +             operation: |x: i64| -> i64 { x.pow(2) },
[INFO] [stdout] 109 +             throw: |x: i64| -> usize {
[INFO] [stdout] 110 +                 if ((x % 7) as i64).is_zero() {
[INFO] [stdout] 111 +                     0
[INFO] [stdout] 112 +                 } else {
[INFO] [stdout] 113 +                     2
[INFO] [stdout] 114 +                 }
[INFO] [stdout] 115 +             },
[INFO] [stdout] 116 +         },
[INFO] [stdout] 117 +         Monkey {
[INFO] [stdout] 118 +             n_inspected: 0,
[INFO] [stdout] 119 +             items: VecDeque::from([i64::from(66), i64::from(56), i64::from(56), i64::from(94), i64::from(60), i64::from(86), i64::from(73)]),
[INFO] [stdout] 120 +             operation: |x: i64| -> i64 { x + 1 },
[INFO] [stdout] 121 +             throw: |x: i64| -> usize {
[INFO] [stdout] 122 +                 if ((x % 3) as i64).is_zero() {
[INFO] [stdout] 123 +                     7
[INFO] [stdout] 124 +                 } else {
[INFO] [stdout] 125 +                     5
[INFO] [stdout] 126 +                 }
[INFO] [stdout] 127 +             },
[INFO] [stdout] 128 +         },
[INFO] [stdout] 129 +         Monkey {
[INFO] [stdout] 130 +             n_inspected: 0,
[INFO] [stdout] 131 +             items: VecDeque::from([i64::from(83), i64::from(99)]),
[INFO] [stdout] 132 +             operation: |x: i64| -> i64 { x + 8 },
[INFO] [stdout] 133 +             throw: |x: i64| -> usize {
[INFO] [stdout] 134 +                 if ((x % 5) as i64).is_zero() {
[INFO] [stdout] 135 +                     6
[INFO] [stdout] 136 +                 } else {
[INFO] [stdout] 137 +                     4
[INFO] [stdout] 138 +                 }
[INFO] [stdout] 139 +             },
[INFO] [stdout] 140 +         },
[INFO] [stdout] 141 +         Monkey {
[INFO] [stdout] 142 +             n_inspected: 0,
[INFO] [stdout] 143 +             items: VecDeque::from([i64::from(98), i64::from(98), i64::from(79)]),
[INFO] [stdout] 144 +             operation: |x: i64| -> i64 { x + 3 },
[INFO] [stdout] 145 +             throw: |x: i64| -> usize {
[INFO] [stdout] 146 +                 if ((x % 17) as i64).is_zero(){
[INFO] [stdout] 147 +                     1
[INFO] [stdout] 148 +                 } else {
[INFO] [stdout] 149 +                     0
[INFO] [stdout] 150 +                 }
[INFO] [stdout] 151 +             },
[INFO] [stdout] 152 +         },
[INFO] [stdout] 153 +         Monkey {
[INFO] [stdout] 154 +             n_inspected: 0,
[INFO] [stdout] 155 +             items: VecDeque::from([i64::from(76)]),
[INFO] [stdout] 156 +             operation: |x: i64| -> i64 { x + 4 },
[INFO] [stdout] 157 +             throw: |x: i64| -> usize {
[INFO] [stdout] 158 +                 if ((x % 13) as i64).is_zero() {
[INFO] [stdout] 159 +                     6
[INFO] [stdout] 160 +                 } else {
[INFO] [stdout] 161 +                     3
[INFO] [stdout] 162 +                 }
[INFO] [stdout] 163 +             },
[INFO] [stdout] 164 +         },
[INFO] [stdout] 165 +         Monkey {
[INFO] [stdout] 166 +             n_inspected: 0,
[INFO] [stdout] 167 +             items: VecDeque::from([i64::from(52), i64::from(51), i64::from(84), i64::from(54)]),
[INFO] [stdout] 168 +             operation: |x: i64| -> i64 { x * 17 },
[INFO] [stdout] 169 +             throw: |x: i64| -> usize {
[INFO] [stdout] 170 +                 if ((x % 19) as i64).is_zero() {
[INFO] [stdout] 171 +                     4
[INFO] [stdout] 172 +                 } else {
[INFO] [stdout] 173 +                     1
[INFO] [stdout] 174 +                 }
[INFO] [stdout] 175 +             },
[INFO] [stdout] 176 +         },
[INFO] [stdout] 177 +         Monkey {
[INFO] [stdout] 178 +             n_inspected: 0,
[INFO] [stdout] 179 +             items: VecDeque::from([i64::from(82), i64::from(86), i64::from(91), i64::from(79), i64::from(94), i64::from(92), i64::from(59), i64::from(94)]),
[INFO] [stdout] 180 +             operation: |x: i64| -> i64 { x + 7 },
[INFO] [stdout] 181 +             throw: |x: i64| -> usize {
[INFO] [stdout] 182 +                 if ((x % 2) as i64).is_zero() {
[INFO] [stdout] 183 +                     5
[INFO] [stdout] 184 +                 } else {
[INFO] [stdout] 185 +                     3
[INFO] [stdout] 186 +                 }
[INFO] [stdout] 187 +             },
[INFO] [stdout] 188 +         },
[INFO] [stdout] 189 ~     ];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`i64` -> `i64`)
[INFO] [stdout]   --> src/bin/11.rs:98:20
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 if ((x % 11) as i64).is_zero() {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^ help: try: `((x % 11))`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`i64` -> `i64`)
[INFO] [stdout]    --> src/bin/11.rs:110:20
[INFO] [stdout]     |
[INFO] [stdout] 110 |                 if ((x % 7) as i64).is_zero() {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^ help: try: `((x % 7))`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`i64` -> `i64`)
[INFO] [stdout]    --> src/bin/11.rs:122:20
[INFO] [stdout]     |
[INFO] [stdout] 122 |                 if ((x % 3) as i64).is_zero() {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^ help: try: `((x % 3))`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`i64` -> `i64`)
[INFO] [stdout]    --> src/bin/11.rs:134:20
[INFO] [stdout]     |
[INFO] [stdout] 134 |                 if ((x % 5) as i64).is_zero() {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^ help: try: `((x % 5))`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`i64` -> `i64`)
[INFO] [stdout]    --> src/bin/11.rs:146:20
[INFO] [stdout]     |
[INFO] [stdout] 146 |                 if ((x % 17) as i64).is_zero(){
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: try: `((x % 17))`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`i64` -> `i64`)
[INFO] [stdout]    --> src/bin/11.rs:158:20
[INFO] [stdout]     |
[INFO] [stdout] 158 |                 if ((x % 13) as i64).is_zero() {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: try: `((x % 13))`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/bin/05.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         write!(f, "[");
[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] 53 |         let _ = write!(f, "[");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/bin/05.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |             write!(f, "{}", c);
[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] 56 |             let _ = write!(f, "{}", c);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/05.rs:130:13
[INFO] [stdout]     |
[INFO] [stdout] 130 |             write!(f, "{}: {}\n", i + 1, stack);
[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] 130 |             let _ = write!(f, "{}: {}\n", i + 1, stack);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`i64` -> `i64`)
[INFO] [stdout]    --> src/bin/11.rs:170:20
[INFO] [stdout]     |
[INFO] [stdout] 170 |                 if ((x % 19) as i64).is_zero() {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: try: `((x % 19))`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`i64` -> `i64`)
[INFO] [stdout]    --> src/bin/11.rs:182:20
[INFO] [stdout]     |
[INFO] [stdout] 182 |                 if ((x % 2) as i64).is_zero() {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^ help: try: `((x % 2))`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is only used to index `monkeys`
[INFO] [stdout]    --> src/bin/11.rs:216:14
[INFO] [stdout]     |
[INFO] [stdout] 216 |     for i in 0..monkeys.len() {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout]     = note: `#[warn(clippy::needless_range_loop)]` on by default
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]     |
[INFO] [stdout] 216 -     for i in 0..monkeys.len() {
[INFO] [stdout] 216 +     for <item> in &monkeys {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/bin/08.rs:85:23
[INFO] [stdout]    |
[INFO] [stdout] 85 | fn visible_from(grid: &Vec<String>, point: (usize, usize)) -> u32 {
[INFO] [stdout]    |                       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout]    = note: `#[warn(clippy::ptr_arg)]` on by default
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 85 - fn visible_from(grid: &Vec<String>, point: (usize, usize)) -> u32 {
[INFO] [stdout] 85 + fn visible_from(grid: &[String], point: (usize, usize)) -> u32 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is only used to index `monkeys`
[INFO] [stdout]    --> src/bin/11.rs:243:14
[INFO] [stdout]     |
[INFO] [stdout] 243 |     for i in 0..monkeys.len() {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]     |
[INFO] [stdout] 243 -     for i in 0..monkeys.len() {
[INFO] [stdout] 243 +     for <item> in &monkeys {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is only used to index `grid`
[INFO] [stdout]    --> src/bin/08.rs:103:14
[INFO] [stdout]     |
[INFO] [stdout] 103 |     for i in point.0 + 1..grid.len() {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout]     = note: `#[warn(clippy::needless_range_loop)]` on by default
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]     |
[INFO] [stdout] 103 -     for i in point.0 + 1..grid.len() {
[INFO] [stdout] 103 +     for <item> in grid.iter().skip(point.0 + 1) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/bin/05.rs:194:13
[INFO] [stdout]     |
[INFO] [stdout] 194 |             n: n,
[INFO] [stdout]     |             ^^^^ help: replace it with: `n`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout]     = note: `#[warn(clippy::redundant_field_names)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp`
[INFO] [stdout]  --> src/bin/15.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cmp;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/bin/07.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |             name: name,
[INFO] [stdout]    |             ^^^^^^^^^^ help: replace it with: `name`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout]    = note: `#[warn(clippy::redundant_field_names)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/bin/07.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             index: index,
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: replace it with: `index`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/bin/07.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |             name: name,
[INFO] [stdout]    |             ^^^^^^^^^^ help: replace it with: `name`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/bin/07.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |             index: index,
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: replace it with: `index`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: it looks like the same item is being pushed into this `Vec`
[INFO] [stdout]    --> src/bin/06.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 120 |         last_n_chars.push(' ');
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using `vec![' ';SIZE]`
[INFO] [stdout]     = help: or `last_n_chars.extend(std::iter::repeat_n(' ', SIZE))`
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#same_item_push
[INFO] [stdout]     = note: `#[warn(clippy::same_item_push)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `Vec`
[INFO] [stdout]    --> src/bin/06.rs:141:20
[INFO] [stdout]     |
[INFO] [stdout] 141 |     for c in chars.into_iter() {
[INFO] [stdout]     |                    ^^^^^^^^^ help: call directly: `iter`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stdout]     = note: `#[warn(clippy::into_iter_on_ref)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/11.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let mut item = self.items.pop_front();
[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: `input`
[INFO] [stdout]    --> src/bin/11.rs:195:17
[INFO] [stdout]     |
[INFO] [stdout] 195 | pub fn part_one(input: &str) -> Option<u32> {
[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 variable: `k`
[INFO] [stdout]    --> src/bin/11.rs:197:9
[INFO] [stdout]     |
[INFO] [stdout] 197 |     for k in 0..20 {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/bin/11.rs:223:17
[INFO] [stdout]     |
[INFO] [stdout] 223 | pub fn part_two(input: &str) -> Option<u32> {
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/bin/11.rs:225:9
[INFO] [stdout]     |
[INFO] [stdout] 225 |     for k in 0..10000 {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `init_sample` is never used
[INFO] [stdout]   --> src/bin/11.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn init_sample() -> Vec<Monkey>  {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this block may be rewritten with the `?` operator
[INFO] [stdout]   --> src/bin/11.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | /         if item.is_none() {
[INFO] [stdout] 16 | |             return None;
[INFO] [stdout] 17 | |         }
[INFO] [stdout]    | |_________^ help: replace it with: `item?;`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#question_mark
[INFO] [stdout]    = note: `#[warn(clippy::question_mark)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]   --> src/bin/11.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |             i = i/3;
[INFO] [stdout]    |             ^^^^^^^ help: replace it with: `i /= 3`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout]    = note: `#[warn(clippy::assign_op_pattern)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]   --> src/bin/11.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |             i = i % 9699690;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ help: replace it with: `i %= 9699690`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `i64` which implements the `Copy` trait
[INFO] [stdout]   --> src/bin/11.rs:29:32
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let idx = (self.throw)(i.clone());
[INFO] [stdout]    |                                ^^^^^^^^^ help: try removing the `clone` call: `i`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout]    = note: `#[warn(clippy::clone_on_copy)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`i64` -> `i64`)
[INFO] [stdout]   --> src/bin/11.rs:43:20
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 if ((x % 23) as i64).is_zero() {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^ help: try: `((x % 23))`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_cast)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`i64` -> `i64`)
[INFO] [stdout]   --> src/bin/11.rs:55:20
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 if ((x % 19) as i64).is_zero() {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^ help: try: `((x % 19))`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`i64` -> `i64`)
[INFO] [stdout]   --> src/bin/11.rs:67:20
[INFO] [stdout]    |
[INFO] [stdout] 67 |                 if ((x % 13) as i64).is_zero() {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^ help: try: `((x % 13))`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`i64` -> `i64`)
[INFO] [stdout]   --> src/bin/11.rs:79:20
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 if ((x % 17) as i64).is_zero() {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^ help: try: `((x % 17))`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded late initialization
[INFO] [stdout]    --> src/bin/11.rs:90:5
[INFO] [stdout]     |
[INFO] [stdout]  90 |       let v: Vec<Monkey>;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^ created here
[INFO] [stdout]  91 |
[INFO] [stdout]  92 | /     v = vec![
[INFO] [stdout]  93 | |         Monkey {
[INFO] [stdout]  94 | |             n_inspected: 0,
[INFO] [stdout]  95 | |             items: VecDeque::from([i64::from(50), i64::from(70), i64::from(54), i64::from(83), i64::from(52), i64::from(78)]),
[INFO] [stdout] ...   |
[INFO] [stdout] 188 | |         },
[INFO] [stdout] 189 | |     ];
[INFO] [stdout]     | |_____^ initialised here
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_late_init
[INFO] [stdout]     = note: `#[warn(clippy::needless_late_init)]` on by default
[INFO] [stdout] help: move the declaration `v` here
[INFO] [stdout]     |
[INFO] [stdout]  90 ~     
[INFO] [stdout]  91 |
[INFO] [stdout]  92 ~     let v: Vec<Monkey> = vec![
[INFO] [stdout]  93 +         Monkey {
[INFO] [stdout]  94 +             n_inspected: 0,
[INFO] [stdout]  95 +             items: VecDeque::from([i64::from(50), i64::from(70), i64::from(54), i64::from(83), i64::from(52), i64::from(78)]),
[INFO] [stdout]  96 +             operation: |x: i64| -> i64 { x * 3 },
[INFO] [stdout]  97 +             throw: |x: i64| -> usize {
[INFO] [stdout]  98 +                 if ((x % 11) as i64).is_zero() {
[INFO] [stdout]  99 +                     2
[INFO] [stdout] 100 +                 } else {
[INFO] [stdout] 101 +                     7
[INFO] [stdout] 102 +                 }
[INFO] [stdout] 103 +             },
[INFO] [stdout] 104 +         },
[INFO] [stdout] 105 +         Monkey {
[INFO] [stdout] 106 +             n_inspected: 0,
[INFO] [stdout] 107 +             items: VecDeque::from([i64::from(71), i64::from(52), i64::from(58), i64::from(60), i64::from(71)]),
[INFO] [stdout] 108 +             operation: |x: i64| -> i64 { x.pow(2) },
[INFO] [stdout] 109 +             throw: |x: i64| -> usize {
[INFO] [stdout] 110 +                 if ((x % 7) as i64).is_zero() {
[INFO] [stdout] 111 +                     0
[INFO] [stdout] 112 +                 } else {
[INFO] [stdout] 113 +                     2
[INFO] [stdout] 114 +                 }
[INFO] [stdout] 115 +             },
[INFO] [stdout] 116 +         },
[INFO] [stdout] 117 +         Monkey {
[INFO] [stdout] 118 +             n_inspected: 0,
[INFO] [stdout] 119 +             items: VecDeque::from([i64::from(66), i64::from(56), i64::from(56), i64::from(94), i64::from(60), i64::from(86), i64::from(73)]),
[INFO] [stdout] 120 +             operation: |x: i64| -> i64 { x + 1 },
[INFO] [stdout] 121 +             throw: |x: i64| -> usize {
[INFO] [stdout] 122 +                 if ((x % 3) as i64).is_zero() {
[INFO] [stdout] 123 +                     7
[INFO] [stdout] 124 +                 } else {
[INFO] [stdout] 125 +                     5
[INFO] [stdout] 126 +                 }
[INFO] [stdout] 127 +             },
[INFO] [stdout] 128 +         },
[INFO] [stdout] 129 +         Monkey {
[INFO] [stdout] 130 +             n_inspected: 0,
[INFO] [stdout] 131 +             items: VecDeque::from([i64::from(83), i64::from(99)]),
[INFO] [stdout] 132 +             operation: |x: i64| -> i64 { x + 8 },
[INFO] [stdout] 133 +             throw: |x: i64| -> usize {
[INFO] [stdout] 134 +                 if ((x % 5) as i64).is_zero() {
[INFO] [stdout] 135 +                     6
[INFO] [stdout] 136 +                 } else {
[INFO] [stdout] 137 +                     4
[INFO] [stdout] 138 +                 }
[INFO] [stdout] 139 +             },
[INFO] [stdout] 140 +         },
[INFO] [stdout] 141 +         Monkey {
[INFO] [stdout] 142 +             n_inspected: 0,
[INFO] [stdout] 143 +             items: VecDeque::from([i64::from(98), i64::from(98), i64::from(79)]),
[INFO] [stdout] 144 +             operation: |x: i64| -> i64 { x + 3 },
[INFO] [stdout] 145 +             throw: |x: i64| -> usize {
[INFO] [stdout] 146 +                 if ((x % 17) as i64).is_zero(){
[INFO] [stdout] 147 +                     1
[INFO] [stdout] 148 +                 } else {
[INFO] [stdout] 149 +                     0
[INFO] [stdout] 150 +                 }
[INFO] [stdout] 151 +             },
[INFO] [stdout] 152 +         },
[INFO] [stdout] 153 +         Monkey {
[INFO] [stdout] 154 +             n_inspected: 0,
[INFO] [stdout] 155 +             items: VecDeque::from([i64::from(76)]),
[INFO] [stdout] 156 +             operation: |x: i64| -> i64 { x + 4 },
[INFO] [stdout] 157 +             throw: |x: i64| -> usize {
[INFO] [stdout] 158 +                 if ((x % 13) as i64).is_zero() {
[INFO] [stdout] 159 +                     6
[INFO] [stdout] 160 +                 } else {
[INFO] [stdout] 161 +                     3
[INFO] [stdout] 162 +                 }
[INFO] [stdout] 163 +             },
[INFO] [stdout] 164 +         },
[INFO] [stdout] 165 +         Monkey {
[INFO] [stdout] 166 +             n_inspected: 0,
[INFO] [stdout] 167 +             items: VecDeque::from([i64::from(52), i64::from(51), i64::from(84), i64::from(54)]),
[INFO] [stdout] 168 +             operation: |x: i64| -> i64 { x * 17 },
[INFO] [stdout] 169 +             throw: |x: i64| -> usize {
[INFO] [stdout] 170 +                 if ((x % 19) as i64).is_zero() {
[INFO] [stdout] 171 +                     4
[INFO] [stdout] 172 +                 } else {
[INFO] [stdout] 173 +                     1
[INFO] [stdout] 174 +                 }
[INFO] [stdout] 175 +             },
[INFO] [stdout] 176 +         },
[INFO] [stdout] 177 +         Monkey {
[INFO] [stdout] 178 +             n_inspected: 0,
[INFO] [stdout] 179 +             items: VecDeque::from([i64::from(82), i64::from(86), i64::from(91), i64::from(79), i64::from(94), i64::from(92), i64::from(59), i64::from(94)]),
[INFO] [stdout] 180 +             operation: |x: i64| -> i64 { x + 7 },
[INFO] [stdout] 181 +             throw: |x: i64| -> usize {
[INFO] [stdout] 182 +                 if ((x % 2) as i64).is_zero() {
[INFO] [stdout] 183 +                     5
[INFO] [stdout] 184 +                 } else {
[INFO] [stdout] 185 +                     3
[INFO] [stdout] 186 +                 }
[INFO] [stdout] 187 +             },
[INFO] [stdout] 188 +         },
[INFO] [stdout] 189 ~     ];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`i64` -> `i64`)
[INFO] [stdout]   --> src/bin/11.rs:98:20
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 if ((x % 11) as i64).is_zero() {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^ help: try: `((x % 11))`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`i64` -> `i64`)
[INFO] [stdout]    --> src/bin/11.rs:110:20
[INFO] [stdout]     |
[INFO] [stdout] 110 |                 if ((x % 7) as i64).is_zero() {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^ help: try: `((x % 7))`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`i64` -> `i64`)
[INFO] [stdout]    --> src/bin/11.rs:122:20
[INFO] [stdout]     |
[INFO] [stdout] 122 |                 if ((x % 3) as i64).is_zero() {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^ help: try: `((x % 3))`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`i64` -> `i64`)
[INFO] [stdout]    --> src/bin/11.rs:134:20
[INFO] [stdout]     |
[INFO] [stdout] 134 |                 if ((x % 5) as i64).is_zero() {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^ help: try: `((x % 5))`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`i64` -> `i64`)
[INFO] [stdout]    --> src/bin/11.rs:146:20
[INFO] [stdout]     |
[INFO] [stdout] 146 |                 if ((x % 17) as i64).is_zero(){
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: try: `((x % 17))`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`i64` -> `i64`)
[INFO] [stdout]    --> src/bin/11.rs:158:20
[INFO] [stdout]     |
[INFO] [stdout] 158 |                 if ((x % 13) as i64).is_zero() {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: try: `((x % 13))`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`i64` -> `i64`)
[INFO] [stdout]    --> src/bin/11.rs:170:20
[INFO] [stdout]     |
[INFO] [stdout] 170 |                 if ((x % 19) as i64).is_zero() {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: try: `((x % 19))`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`i64` -> `i64`)
[INFO] [stdout]    --> src/bin/11.rs:182:20
[INFO] [stdout]     |
[INFO] [stdout] 182 |                 if ((x % 2) as i64).is_zero() {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^ help: try: `((x % 2))`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is only used to index `monkeys`
[INFO] [stdout]    --> src/bin/11.rs:216:14
[INFO] [stdout]     |
[INFO] [stdout] 216 |     for i in 0..monkeys.len() {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout]     = note: `#[warn(clippy::needless_range_loop)]` on by default
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]     |
[INFO] [stdout] 216 -     for i in 0..monkeys.len() {
[INFO] [stdout] 216 +     for <item> in &monkeys {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is only used to index `monkeys`
[INFO] [stdout]    --> src/bin/11.rs:243:14
[INFO] [stdout]     |
[INFO] [stdout] 243 |     for i in 0..monkeys.len() {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]     |
[INFO] [stdout] 243 -     for i in 0..monkeys.len() {
[INFO] [stdout] 243 +     for <item> in &monkeys {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `sx` is never read
[INFO] [stdout]   --> src/bin/15.rs:37:14
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let (mut sx,mut sy,mut bx,mut by) = (0,0,0,0);
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `sy` is never read
[INFO] [stdout]   --> src/bin/15.rs:37:21
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let (mut sx,mut sy,mut bx,mut by) = (0,0,0,0);
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bx` is never read
[INFO] [stdout]   --> src/bin/15.rs:37:28
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let (mut sx,mut sy,mut bx,mut by) = (0,0,0,0);
[INFO] [stdout]    |                            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `by` is never read
[INFO] [stdout]   --> src/bin/15.rs:37:35
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let (mut sx,mut sy,mut bx,mut by) = (0,0,0,0);
[INFO] [stdout]    |                                   ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `range`
[INFO] [stdout]   --> src/bin/15.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |         for range in ranges.iter() {
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_range`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `point` is never read
[INFO] [stdout]   --> src/bin/15.rs:94:21
[INFO] [stdout]    |
[INFO] [stdout] 94 |     let mut point = (-1,-1);
[INFO] [stdout]    |                     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MultiRange` is never constructed
[INFO] [stdout]  --> src/bin/15.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct MultiRange {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/bin/06.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |             size: size,
[INFO] [stdout]    |             ^^^^^^^^^^ help: replace it with: `size`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout]    = note: `#[warn(clippy::redundant_field_names)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `print!()` with a format string that ends in a single newline
[INFO] [stdout]   --> src/bin/07.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |             print!(" (dir, size={})\n", self.total_size)
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stdout]    = note: `#[warn(clippy::print_with_newline)]` on by default
[INFO] [stdout] help: use `println!` instead
[INFO] [stdout]    |
[INFO] [stdout] 43 -             print!(" (dir, size={})\n", self.total_size)
[INFO] [stdout] 43 +             println!(" (dir, size={})", self.total_size)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `print!()` with a format string that ends in a single newline
[INFO] [stdout]   --> src/bin/07.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |             print!(" (file, size={})\n", self.total_size)
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stdout] help: use `println!` instead
[INFO] [stdout]    |
[INFO] [stdout] 45 -             print!(" (file, size={})\n", self.total_size)
[INFO] [stdout] 45 +             println!(" (file, size={})", self.total_size)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/bin/07.rs:154:15
[INFO] [stdout]     |
[INFO] [stdout] 154 |     day_seven(&input);
[INFO] [stdout]     |               ^^^^^^ help: change this to: `input`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]     = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: items after a test module
[INFO] [stdout]    --> src/bin/06.rs:100:1
[INFO] [stdout]     |
[INFO] [stdout] 100 | mod tests {
[INFO] [stdout]     | ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 117 | fn idx_first_n_unique(input: &str, n: usize) -> Option<u32> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 134 | fn all_unique(chars: &Vec<char>, n: &usize) -> bool {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#items_after_test_module
[INFO] [stdout]     = note: `#[warn(clippy::items_after_test_module)]` on by default
[INFO] [stdout]     = help: move the items to before the test module was defined
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: it looks like the same item is being pushed into this `Vec`
[INFO] [stdout]    --> src/bin/06.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 120 |         last_n_chars.push(' ');
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using `vec![' ';SIZE]`
[INFO] [stdout]     = help: or `last_n_chars.extend(std::iter::repeat_n(' ', SIZE))`
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#same_item_push
[INFO] [stdout]     = note: `#[warn(clippy::same_item_push)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `Vec`
[INFO] [stdout]    --> src/bin/06.rs:141:20
[INFO] [stdout]     |
[INFO] [stdout] 141 |     for c in chars.into_iter() {
[INFO] [stdout]     |                    ^^^^^^^^^ help: call directly: `iter`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stdout]     = note: `#[warn(clippy::into_iter_on_ref)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: file opened with `create`, but `truncate` behavior not defined
[INFO] [stdout]   --> src/bin/scaffold.rs:53:36
[INFO] [stdout]    |
[INFO] [stdout] 53 |     OpenOptions::new().write(true).create(true).open(path)
[INFO] [stdout]    |                                    ^^^^^^^^^^^^- help: add: `.truncate(true)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you intend to overwrite an existing file entirely, call `.truncate(true)`
[INFO] [stdout]    = help: if you instead know that you may want to keep some parts of the old file, call `.truncate(false)`
[INFO] [stdout]    = help: alternatively, use `.append(true)` to append to the file instead of overwriting it
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_open_options
[INFO] [stdout]    = note: `#[warn(clippy::suspicious_open_options)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `print!()` with a format string that ends in a single newline
[INFO] [stdout]   --> src/bin/07.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |             print!(" (dir, size={})\n", self.total_size)
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stdout]    = note: `#[warn(clippy::print_with_newline)]` on by default
[INFO] [stdout] help: use `println!` instead
[INFO] [stdout]    |
[INFO] [stdout] 43 -             print!(" (dir, size={})\n", self.total_size)
[INFO] [stdout] 43 +             println!(" (dir, size={})", self.total_size)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `print!()` with a format string that ends in a single newline
[INFO] [stdout]   --> src/bin/07.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |             print!(" (file, size={})\n", self.total_size)
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stdout] help: use `println!` instead
[INFO] [stdout]    |
[INFO] [stdout] 45 -             print!(" (file, size={})\n", self.total_size)
[INFO] [stdout] 45 +             println!(" (file, size={})", self.total_size)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `unwrap` on `d` after checking its variant with `is_some`
[INFO] [stdout]   --> src/bin/05.rs:39:26
[INFO] [stdout]    |
[INFO] [stdout] 38 |             if d.is_some() {
[INFO] [stdout]    |             -------------- help: try: `if let Some(<item>) = d`
[INFO] [stdout] 39 |                 out.push(d.unwrap());
[INFO] [stdout]    |                          ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_unwrap
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_unwrap)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/bin/07.rs:154:15
[INFO] [stdout]     |
[INFO] [stdout] 154 |     day_seven(&input);
[INFO] [stdout]     |               ^^^^^^ help: change this to: `input`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]     = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `reserve` immediately after creation
[INFO] [stdout]   --> src/bin/05.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 | /         let mut out = Vec::<char>::new();
[INFO] [stdout] 34 | |         out.reserve(n as usize);
[INFO] [stdout]    | |________________________________^ help: consider using `Vec::with_capacity(/* Space hint */)`: `let mut out = Vec::with_capacity(n as usize);`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#reserve_after_initialization
[INFO] [stdout]    = note: `#[warn(clippy::reserve_after_initialization)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: accessing last element with `self.data.get(self.data.len() - 1)`
[INFO] [stdout]   --> src/bin/05.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         self.data.get(self.data.len() - 1).unwrap().to_owned()
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `self.data.back()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_last_with_len
[INFO] [stdout]    = note: `#[warn(clippy::get_last_with_len)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `reserve` immediately after creation
[INFO] [stdout]    --> src/bin/05.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 109 | /         let mut tops = Vec::<char>::new();
[INFO] [stdout] 110 | |         tops.reserve(self.stacks.len());
[INFO] [stdout]     | |________________________________________^ help: consider using `Vec::with_capacity(/* Space hint */)`: `let mut tops = Vec::with_capacity(self.stacks.len());`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#reserve_after_initialization
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `print!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/bin/05.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |         print!("\n");
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stdout]     = note: `#[warn(clippy::print_with_newline)]` on by default
[INFO] [stdout] help: use `println!` instead
[INFO] [stdout]     |
[INFO] [stdout] 123 -         print!("\n");
[INFO] [stdout] 123 +         println!();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/bin/05.rs:130:13
[INFO] [stdout]     |
[INFO] [stdout] 130 |             write!(f, "{}: {}\n", i + 1, stack);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout]     = note: `#[warn(clippy::write_with_newline)]` on by default
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]     |
[INFO] [stdout] 130 -             write!(f, "{}: {}\n", i + 1, stack);
[INFO] [stdout] 130 +             writeln!(f, "{}: {}", i + 1, stack);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source_dists`
[INFO] [stdout]    --> src/bin/12.rs:129:9
[INFO] [stdout]     |
[INFO] [stdout] 129 |     let source_dists = dijkstra(&graph, source);
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_source_dists`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/bin/05.rs:173:12
[INFO] [stdout]     |
[INFO] [stdout] 173 |         if line.len() == 0 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `line.is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout]     = note: `#[warn(clippy::len_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `min_source` is assigned to, but never used
[INFO] [stdout]    --> src/bin/12.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |     let mut min_source: (usize, usize) = (0,0);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_min_source` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `min_source` is never read
[INFO] [stdout]    --> src/bin/12.rs:144:17
[INFO] [stdout]     |
[INFO] [stdout] 144 |                 min_source = point;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `print!()` with a format string that ends in a single newline
[INFO] [stdout]   --> src/bin/12.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         print!("\n");
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stdout]    = note: `#[warn(clippy::print_with_newline)]` on by default
[INFO] [stdout] help: use `println!` instead
[INFO] [stdout]    |
[INFO] [stdout] 25 -         print!("\n");
[INFO] [stdout] 25 +         println!();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/bin/12.rs:29:19
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn char_at(graph: &Vec<&str>, point: (usize, usize)) -> char {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout]    = note: `#[warn(clippy::ptr_arg)]` on by default
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 29 - fn char_at(graph: &Vec<&str>, point: (usize, usize)) -> char {
[INFO] [stdout] 29 + fn char_at(graph: &[&str], point: (usize, usize)) -> char {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stdout]   --> src/bin/12.rs:75:59
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn dijkstra(graph: &Vec<&str>, source: (usize, usize)) -> (HashMap<(usize, usize), u32>, HashMap<(usize, usize), (usize, usize)>) {
[INFO] [stdout]    |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stdout]    = note: `#[warn(clippy::type_complexity)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `max_elf` is assigned to, but never used
[INFO] [stdout]  --> src/bin/01.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut max_elf: u32 = 0;
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider using `_max_elf` instead
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting integer literal to `u32` is unnecessary
[INFO] [stdout]   --> src/bin/12.rs:79:26
[INFO] [stdout]    |
[INFO] [stdout] 79 |     dists.insert(source, 0 as u32);
[INFO] [stdout]    |                          ^^^^^^^^ help: try: `0_u32`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_cast)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting integer literal to `u32` is unnecessary
[INFO] [stdout]   --> src/bin/12.rs:80:21
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pq.push(source, 0 as u32);
[INFO] [stdout]    |                     ^^^^^^^^ help: try: `0_u32`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/bin/12.rs:82:11
[INFO] [stdout]    |
[INFO] [stdout] 82 |     while pq.len() != 0 {
[INFO] [stdout]    |           ^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!pq.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout]    = note: `#[warn(clippy::len_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/bin/12.rs:84:41
[INFO] [stdout]    |
[INFO] [stdout] 84 |         for neighbour in get_neighbours(&graph, curr) {
[INFO] [stdout]    |                                         ^^^^^^ help: change this to: `graph`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]    = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `max_elf` is never read
[INFO] [stdout]   --> src/bin/01.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |             max_elf = i
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/bin/01.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     return Option::<u32>::from(max_cals);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 21 -     return Option::<u32>::from(max_cals);
[INFO] [stdout] 21 +     Option::<u32>::from(max_cals)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/bin/05.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         write!(f, "[");
[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] 53 |         let _ = write!(f, "[");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/bin/05.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |             write!(f, "{}", c);
[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] 56 |             let _ = write!(f, "{}", c);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/bin/12.rs:123:5
[INFO] [stdout]     |
[INFO] [stdout] 123 |     return Some(dists[&target])
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]     = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 123 -     return Some(dists[&target])
[INFO] [stdout] 123 +     Some(dists[&target])
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/05.rs:130:13
[INFO] [stdout]     |
[INFO] [stdout] 130 |             write!(f, "{}: {}\n", i + 1, stack);
[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] 130 |             let _ = write!(f, "{}: {}\n", i + 1, stack);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the variable `i` is used as a loop counter
[INFO] [stdout]  --> src/bin/01.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     for elf in elves.iter() {
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `for (i, elf) in (0_u32..).zip(elves.iter())`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `i` is of type `u32`, making it ineligible for `Iterator::enumerate`
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_counter_loop
[INFO] [stdout]   = note: `#[warn(clippy::explicit_counter_loop)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/bin/01.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     return Option::<u32>::from(final_sum);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 43 -     return Option::<u32>::from(final_sum);
[INFO] [stdout] 43 +     Option::<u32>::from(final_sum)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`u32` -> `u32`)
[INFO] [stdout]    --> src/bin/12.rs:152:10
[INFO] [stdout]     |
[INFO] [stdout] 152 |     Some(min_dist as u32)
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^ help: try: `min_dist`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.94s
[INFO] running `Command { std: "docker" "inspect" "c713e5590191ff72203e46d85ec51af3e959debea06a2ecec6ef08f3e0561cb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c713e5590191ff72203e46d85ec51af3e959debea06a2ecec6ef08f3e0561cb2", kill_on_drop: false }`
[INFO] [stdout] c713e5590191ff72203e46d85ec51af3e959debea06a2ecec6ef08f3e0561cb2