[INFO] cloning repository https://github.com/inqbus406/aoc24
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/inqbus406/aoc24" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finqbus406%2Faoc24", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finqbus406%2Faoc24'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b10c9ef84008cb243abb58e8356f889042a15448
[INFO] linting inqbus406/aoc24 against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finqbus406%2Faoc24" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/inqbus406/aoc24
[INFO] finished tweaking git repo https://github.com/inqbus406/aoc24
[INFO] tweaked toml for git repo https://github.com/inqbus406/aoc24 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/inqbus406/aoc24 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/inqbus406/aoc24 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 5e49c593de372cb4f963fbbaa7e1fc7ca178040ebd4bc94ef0dbad3aff29e40a
[INFO] running `Command { std: "docker" "start" "-a" "5e49c593de372cb4f963fbbaa7e1fc7ca178040ebd4bc94ef0dbad3aff29e40a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e49c593de372cb4f963fbbaa7e1fc7ca178040ebd4bc94ef0dbad3aff29e40a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e49c593de372cb4f963fbbaa7e1fc7ca178040ebd4bc94ef0dbad3aff29e40a", kill_on_drop: false }`
[INFO] [stdout] 5e49c593de372cb4f963fbbaa7e1fc7ca178040ebd4bc94ef0dbad3aff29e40a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 1f642f9a38f8c2d80bb3be9703807cf7a10e10898b7379b002d61e5bc3800510
[INFO] running `Command { std: "docker" "start" "-a" "1f642f9a38f8c2d80bb3be9703807cf7a10e10898b7379b002d61e5bc3800510", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]     Checking ahash v0.8.12
[INFO] [stderr]     Checking cached_proc_macro_types v0.1.1
[INFO] [stderr]     Checking day23 v0.1.0 (/opt/rustwide/workdir/day23)
[INFO] [stderr]     Checking day24 v0.1.0 (/opt/rustwide/workdir/day24)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> day23/src/main.rs:45:10
[INFO] [stdout]    |
[INFO] [stdout] 45 |     for (i, node) in connections.iter().enumerate() {
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]   --> day23/src/main.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |     for (i, node) in connections.iter().enumerate() {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> day23/src/main.rs:35:23
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn part1(connections: &Vec<(String, String)>) -> usize {
[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] 35 - fn part1(connections: &Vec<(String, String)>) -> usize {
[INFO] [stdout] 35 + fn part1(connections: &[(String, String)]) -> usize {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day25 v0.1.0 (/opt/rustwide/workdir/day25)
[INFO] [stdout] warning: name `AND` contains a capitalized acronym
[INFO] [stdout]   --> day24/src/main.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     AND,
[INFO] [stdout]    |     ^^^ help: consider making the acronym lowercase, except the initial letter: `And`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout]    = note: `#[warn(clippy::upper_case_acronyms)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `XOR` contains a capitalized acronym
[INFO] [stdout]   --> day24/src/main.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     XOR,
[INFO] [stdout]    |     ^^^ help: consider making the acronym lowercase, except the initial letter: `Xor`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> day24/src/main.rs:104:39
[INFO] [stdout]     |
[INFO] [stdout] 104 |             let gate = Gate::from_str(&tokens[1]).unwrap();
[INFO] [stdout]     |                                       ^^^^^^^^^^ help: change this to: `tokens[1]`
[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: unused variable: `i`
[INFO] [stdout]   --> day23/src/main.rs:45:10
[INFO] [stdout]    |
[INFO] [stdout] 45 |     for (i, node) in connections.iter().enumerate() {
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]   --> day23/src/main.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |     for (i, node) in connections.iter().enumerate() {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> day23/src/main.rs:35:23
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn part1(connections: &Vec<(String, String)>) -> usize {
[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] 35 - fn part1(connections: &Vec<(String, String)>) -> usize {
[INFO] [stdout] 35 + fn part1(connections: &[(String, String)]) -> usize {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `j` is only used to index `v`
[INFO] [stdout]   --> day25/src/main.rs:95:22
[INFO] [stdout]    |
[INFO] [stdout] 95 |             for j in 1..v.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] 95 -             for j in 1..v.len() {
[INFO] [stdout] 95 +             for <item> in v.iter().skip(1) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stdout] warning: the loop variable `j` is only used to index `v`
[INFO] [stdout]   --> day25/src/main.rs:95:22
[INFO] [stdout]    |
[INFO] [stdout] 95 |             for j in 1..v.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] 95 -             for j in 1..v.len() {
[INFO] [stdout] 95 +             for <item> in v.iter().skip(1) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day19 v0.1.0 (/opt/rustwide/workdir/day19)
[INFO] [stderr]     Checking day09 v0.1.0 (/opt/rustwide/workdir/day09)
[INFO] [stdout] warning: name `AND` contains a capitalized acronym
[INFO] [stdout]   --> day24/src/main.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     AND,
[INFO] [stdout]    |     ^^^ help: consider making the acronym lowercase, except the initial letter: `And`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout]    = note: `#[warn(clippy::upper_case_acronyms)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `XOR` contains a capitalized acronym
[INFO] [stdout]   --> day24/src/main.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     XOR,
[INFO] [stdout]    |     ^^^ help: consider making the acronym lowercase, except the initial letter: `Xor`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> day24/src/main.rs:104:39
[INFO] [stdout]     |
[INFO] [stdout] 104 |             let gate = Gate::from_str(&tokens[1]).unwrap();
[INFO] [stdout]     |                                       ^^^^^^^^^^ help: change this to: `tokens[1]`
[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: called `.nth(0)` on a `std::iter::Iterator`, when `.next()` is equivalent
[INFO] [stdout]  --> day09/src/main.rs:9:17
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let input = reader.lines().nth(0).unwrap()?;
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^^^^ help: try calling `.next()` instead of `.nth(0)`: `reader.lines().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: the loop variable `i` is only used to index `result`
[INFO] [stdout]    --> day09/src/main.rs:136:18
[INFO] [stdout]     |
[INFO] [stdout] 136 |         for i in block.start..(block.start + block.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] 136 -         for i in block.start..(block.start + block.len) {
[INFO] [stdout] 136 +         for <item> in result.iter_mut().skip(block.start).take(block.len) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]    --> day09/src/main.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 147 | /         match n {
[INFO] [stdout] 148 | |             Some(v) => checksum += i * v,
[INFO] [stdout] 149 | |             None => {}
[INFO] [stdout] 150 | |         }
[INFO] [stdout]     | |_________^ help: try: `if let Some(v) = n { checksum += i * v }`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout]     = note: `#[warn(clippy::single_match)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]    --> day09/src/main.rs:155:18
[INFO] [stdout]     |
[INFO] [stdout] 155 | fn is_compact(v: &Vec<Option<usize>>) -> bool {
[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] 155 - fn is_compact(v: &Vec<Option<usize>>) -> bool {
[INFO] [stdout] 155 + fn is_compact(v: &[Option<usize>]) -> bool {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day01 v0.1.0 (/opt/rustwide/workdir/day01)
[INFO] [stderr]     Checking day07 v0.1.0 (/opt/rustwide/workdir/day07)
[INFO] [stdout] warning: redundant closure
[INFO] [stdout]   --> day19/src/main.rs:45:14
[INFO] [stdout]    |
[INFO] [stdout] 45 |         .map(|s| String::from(s))
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^ help: replace the closure with the associated function itself: `String::from`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stdout]    = note: `#[warn(clippy::redundant_closure)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> day19/src/main.rs:72:43
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 if is_possible(substring, &towels) {
[INFO] [stdout]    |                                           ^^^^^^^ help: change this to: `towels`
[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] [stderr]     Checking day15 v0.1.0 (/opt/rustwide/workdir/day15)
[INFO] [stderr]     Checking day04 v0.1.0 (/opt/rustwide/workdir/day04)
[INFO] [stderr]     Checking day11 v0.1.0 (/opt/rustwide/workdir/day11)
[INFO] [stdout] warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator`
[INFO] [stdout]   --> day04/src/main.rs:38:49
[INFO] [stdout]    |
[INFO] [stdout] 38 |         result += count_xmas(&String::from_iter(line.clone().into_iter()));
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()`
[INFO] [stdout]   --> /rustc/3645249d79dfb136b5d8de3ce153d19d6698d92d/library/core/src/iter/traits/collect.rs:152:20
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout]    = note: `#[warn(clippy::useless_conversion)]` on by default
[INFO] [stdout] help: consider removing the `.into_iter()`
[INFO] [stdout]    |
[INFO] [stdout] 38 -         result += count_xmas(&String::from_iter(line.clone().into_iter()));
[INFO] [stdout] 38 +         result += count_xmas(&String::from_iter(line.clone()));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> day04/src/main.rs:39:55
[INFO] [stdout]    |
[INFO] [stdout] 39 |         result += count_xmas(&diag_string(0, i, true, &xword));
[INFO] [stdout]    |                                                       ^^^^^^ help: change this to: `xword`
[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: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> day04/src/main.rs:40:56
[INFO] [stdout]    |
[INFO] [stdout] 40 |         result += count_xmas(&diag_string(0, i, false, &xword));
[INFO] [stdout]    |                                                        ^^^^^^ help: change this to: `xword`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> day04/src/main.rs:43:55
[INFO] [stdout]    |
[INFO] [stdout] 43 |         result += count_xmas(&diag_string(j, 0, true, &xword));
[INFO] [stdout]    |                                                       ^^^^^^ help: change this to: `xword`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> day04/src/main.rs:44:70
[INFO] [stdout]    |
[INFO] [stdout] 44 |         result += count_xmas(&diag_string(j, xword.len() - 1, false, &xword));
[INFO] [stdout]    |                                                                      ^^^^^^ help: change this to: `xword`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> day04/src/main.rs:47:50
[INFO] [stdout]    |
[INFO] [stdout] 47 |         result += count_xmas(&vertical_string(i, &xword));
[INFO] [stdout]    |                                                  ^^^^^^ help: change this to: `xword`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> day04/src/main.rs:57:56
[INFO] [stdout]    |
[INFO] [stdout] 57 |             if xword[j][i] == 'A' && check_for_x(i, j, &xword) {
[INFO] [stdout]    |                                                        ^^^^^^ help: change this to: `xword`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> day04/src/main.rs:66:43
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn check_for_x(x: usize, y: usize, xword: &Vec<Vec<char>>) -> bool {
[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 check_for_x(x: usize, y: usize, xword: &Vec<Vec<char>>) -> bool {
[INFO] [stdout] 66 + fn check_for_x(x: usize, y: usize, xword: &[Vec<char>]) -> bool {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> day04/src/main.rs:87:37
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn vertical_string(x: usize, xword: &Vec<Vec<char>>) -> String {
[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] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 87 - fn vertical_string(x: usize, xword: &Vec<Vec<char>>) -> String {
[INFO] [stdout] 87 + fn vertical_string(x: usize, xword: &[Vec<char>]) -> String {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> day04/src/main.rs:94:58
[INFO] [stdout]    |
[INFO] [stdout] 94 | fn diag_string(x: usize, y: usize, descend: bool, xword: &Vec<Vec<char>>) -> String {
[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] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 94 - fn diag_string(x: usize, y: usize, descend: bool, xword: &Vec<Vec<char>>) -> String {
[INFO] [stdout] 94 + fn diag_string(x: usize, y: usize, descend: bool, xword: &[Vec<char>]) -> String {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day06 v0.1.0 (/opt/rustwide/workdir/day06)
[INFO] [stdout] warning: found call to `str::trim` before `str::split_whitespace`
[INFO] [stdout]   --> day11/src/main.rs:46:27
[INFO] [stdout]    |
[INFO] [stdout] 46 |             for s in line.trim().split_whitespace() {
[INFO] [stdout]    |                           ^^^^^^^ help: remove `trim()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trim_split_whitespace
[INFO] [stdout]    = note: `#[warn(clippy::trim_split_whitespace)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of `.is_multiple_of()`
[INFO] [stdout]   --> day11/src/main.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 72 |         if num_string.len() % 2 == 0 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `num_string.len().is_multiple_of(2)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_is_multiple_of
[INFO] [stdout]    = note: `#[warn(clippy::manual_is_multiple_of)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> day15/src/main.rs:118:27
[INFO] [stdout]     |
[INFO] [stdout] 118 |         if !self.is_valid(&pos) {
[INFO] [stdout]     |                           ^^^^ help: change this to: `pos`
[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: using `clone` on type `Position` which implements the `Copy` trait
[INFO] [stdout]    --> day15/src/main.rs:163:22
[INFO] [stdout]     |
[INFO] [stdout] 163 |         let orig_b = b.clone();
[INFO] [stdout]     |                      ^^^^^^^^^ help: try dereferencing it: `*b`
[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: using `clone` on type `Position` which implements the `Copy` trait
[INFO] [stdout]    --> day15/src/main.rs:191:13
[INFO] [stdout]     |
[INFO] [stdout] 191 |             b.clone()
[INFO] [stdout]     |             ^^^^^^^^^ help: try removing the `clone` call: `b`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `Position` which implements the `Copy` trait
[INFO] [stdout]    --> day15/src/main.rs:209:22
[INFO] [stdout]     |
[INFO] [stdout] 209 |         let orig_b = b.clone();
[INFO] [stdout]     |                      ^^^^^^^^^ help: try dereferencing it: `*b`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `Position` which implements the `Copy` trait
[INFO] [stdout]    --> day15/src/main.rs:233:13
[INFO] [stdout]     |
[INFO] [stdout] 233 |             b.clone()
[INFO] [stdout]     |             ^^^^^^^^^ help: try removing the `clone` call: `b`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> day15/src/main.rs:271:9
[INFO] [stdout]     |
[INFO] [stdout] 271 |         self.x_size = self.x_size * 2;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.x_size *= 2`
[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] [stderr]     Checking day10 v0.1.0 (/opt/rustwide/workdir/day10)
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> day15/src/main.rs:118:27
[INFO] [stdout]     |
[INFO] [stdout] 118 |         if !self.is_valid(&pos) {
[INFO] [stdout]     |                           ^^^^ help: change this to: `pos`
[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: using `clone` on type `Position` which implements the `Copy` trait
[INFO] [stdout]    --> day15/src/main.rs:163:22
[INFO] [stdout]     |
[INFO] [stdout] 163 |         let orig_b = b.clone();
[INFO] [stdout]     |                      ^^^^^^^^^ help: try dereferencing it: `*b`
[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: using `clone` on type `Position` which implements the `Copy` trait
[INFO] [stdout]    --> day15/src/main.rs:191:13
[INFO] [stdout]     |
[INFO] [stdout] 191 |             b.clone()
[INFO] [stdout]     |             ^^^^^^^^^ help: try removing the `clone` call: `b`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day16 v0.1.0 (/opt/rustwide/workdir/day16)
[INFO] [stdout] warning: using `clone` on type `Position` which implements the `Copy` trait
[INFO] [stdout]    --> day15/src/main.rs:209:22
[INFO] [stdout]     |
[INFO] [stdout] 209 |         let orig_b = b.clone();
[INFO] [stdout]     |                      ^^^^^^^^^ help: try dereferencing it: `*b`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `Position` which implements the `Copy` trait
[INFO] [stdout]    --> day15/src/main.rs:233:13
[INFO] [stdout]     |
[INFO] [stdout] 233 |             b.clone()
[INFO] [stdout]     |             ^^^^^^^^^ help: try removing the `clone` call: `b`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> day15/src/main.rs:271:9
[INFO] [stdout]     |
[INFO] [stdout] 271 |         self.x_size = self.x_size * 2;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.x_size *= 2`
[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: the function `part2` doesn't need a mutable reference
[INFO] [stdout]    --> day06/src/main.rs:185:26
[INFO] [stdout]     |
[INFO] [stdout] 185 |         assert_eq!(part2(&mut map, init_guard_pos), 6);
[INFO] [stdout]     |                          ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_mut_passed
[INFO] [stdout]     = note: `#[warn(clippy::unnecessary_mut_passed)]` on by default
[INFO] [stdout] help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout] 185 -         assert_eq!(part2(&mut map, init_guard_pos), 6);
[INFO] [stdout] 185 +         assert_eq!(part2(&map, init_guard_pos), 6);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day14 v0.1.0 (/opt/rustwide/workdir/day14)
[INFO] [stderr]     Checking day02 v0.1.0 (/opt/rustwide/workdir/day02)
[INFO] [stdout] warning: called `.iter().count()` on a `HashSet`
[INFO] [stdout]   --> day10/src/main.rs:72:22
[INFO] [stdout]    |
[INFO] [stdout] 72 |             .map(|p| self.explore(p).iter().count())
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `self.explore(p).len()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_count
[INFO] [stdout]    = note: `#[warn(clippy::iter_count)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `n @ _` pattern can be written as just `n`
[INFO] [stdout]    --> day14/src/main.rs:164:21
[INFO] [stdout]     |
[INFO] [stdout] 164 |                     n @ _ => print!("{n}"),
[INFO] [stdout]     |                     ^^^^^ help: try: `n`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern
[INFO] [stdout]     = note: `#[warn(clippy::redundant_pattern)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day18 v0.1.0 (/opt/rustwide/workdir/day18)
[INFO] [stdout] warning: casting to the same type is unnecessary (`i32` -> `i32`)
[INFO] [stdout]   --> day14/src/main.rs:78:30
[INFO] [stdout]    |
[INFO] [stdout] 78 |             let x_velocity = nums[2] as i32;
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^ help: try: `nums[2]`
[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 (`i32` -> `i32`)
[INFO] [stdout]   --> day14/src/main.rs:79:30
[INFO] [stdout]    |
[INFO] [stdout] 79 |             let y_velocity = nums[3] as i32;
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^ help: try: `nums[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: using `print!()` with a format string that ends in a single newline
[INFO] [stdout]    --> day14/src/main.rs:167:13
[INFO] [stdout]     |
[INFO] [stdout] 167 |             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] 167 -             print!("\n");
[INFO] [stdout] 167 +             println!();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LinkedList`
[INFO] [stdout]  --> day18/src/main.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashSet, LinkedList, 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: using `clone` on type `Position` which implements the `Copy` trait
[INFO] [stdout]    --> day16/src/main.rs:168:18
[INFO] [stdout]     |
[INFO] [stdout] 168 |             loc: self.visited.keys().nth(0).unwrap().clone(),
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*self.visited.keys().nth(0).unwrap()`
[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: using `clone` on type `Position` which implements the `Copy` trait
[INFO] [stdout]    --> day16/src/main.rs:220:23
[INFO] [stdout]     |
[INFO] [stdout] 220 |         let current = pos.clone();
[INFO] [stdout]     |                       ^^^^^^^^^^^ help: try dereferencing it: `*pos`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> day16/src/main.rs:256:29
[INFO] [stdout]     |
[INFO] [stdout] 256 |         self.walls.contains(&p)
[INFO] [stdout]     |                             ^^ help: change this to: `p`
[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: found call to `str::trim` before `str::split_whitespace`
[INFO] [stdout]   --> day11/src/main.rs:46:27
[INFO] [stdout]    |
[INFO] [stdout] 46 |             for s in line.trim().split_whitespace() {
[INFO] [stdout]    |                           ^^^^^^^ help: remove `trim()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trim_split_whitespace
[INFO] [stdout]    = note: `#[warn(clippy::trim_split_whitespace)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of `.is_multiple_of()`
[INFO] [stdout]   --> day11/src/main.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 72 |         if num_string.len() % 2 == 0 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `num_string.len().is_multiple_of(2)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_is_multiple_of
[INFO] [stdout]    = note: `#[warn(clippy::manual_is_multiple_of)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `n @ _` pattern can be written as just `n`
[INFO] [stdout]    --> day14/src/main.rs:164:21
[INFO] [stdout]     |
[INFO] [stdout] 164 |                     n @ _ => print!("{n}"),
[INFO] [stdout]     |                     ^^^^^ help: try: `n`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern
[INFO] [stdout]     = note: `#[warn(clippy::redundant_pattern)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`i32` -> `i32`)
[INFO] [stdout]   --> day14/src/main.rs:78:30
[INFO] [stdout]    |
[INFO] [stdout] 78 |             let x_velocity = nums[2] as i32;
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^ help: try: `nums[2]`
[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 (`i32` -> `i32`)
[INFO] [stdout]   --> day14/src/main.rs:79:30
[INFO] [stdout]    |
[INFO] [stdout] 79 |             let y_velocity = nums[3] as i32;
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^ help: try: `nums[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: using `print!()` with a format string that ends in a single newline
[INFO] [stdout]    --> day14/src/main.rs:167:13
[INFO] [stdout]     |
[INFO] [stdout] 167 |             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] 167 -             print!("\n");
[INFO] [stdout] 167 +             println!();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_file` is never used
[INFO] [stdout]   --> day18/src/main.rs:85:8
[INFO] [stdout]    |
[INFO] [stdout] 84 | impl Maze {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 85 |     fn from_file(
[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 `clone` on type `Position` which implements the `Copy` trait
[INFO] [stdout]    --> day18/src/main.rs:128:46
[INFO] [stdout]     |
[INFO] [stdout] 128 |             .for_each(|pos| _ = walls.insert(pos.clone()));
[INFO] [stdout]     |                                              ^^^^^^^^^^^ help: try dereferencing it: `*pos`
[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: using `clone` on type `Position` which implements the `Copy` trait
[INFO] [stdout]    --> day18/src/main.rs:165:26
[INFO] [stdout]     |
[INFO] [stdout] 165 |                     loc: neighbor.clone(),
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^ help: try dereferencing it: `*neighbor`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LinkedList`
[INFO] [stdout]  --> day18/src/main.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashSet, LinkedList, VecDeque};
[INFO] [stdout]   |                                 ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day17 v0.1.0 (/opt/rustwide/workdir/day17)
[INFO] [stdout] warning: redundant closure
[INFO] [stdout]   --> day19/src/main.rs:45:14
[INFO] [stdout]    |
[INFO] [stdout] 45 |         .map(|s| String::from(s))
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^ help: replace the closure with the associated function itself: `String::from`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stdout]    = note: `#[warn(clippy::redundant_closure)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> day19/src/main.rs:72:43
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 if is_possible(substring, &towels) {
[INFO] [stdout]    |                                           ^^^^^^^ help: change this to: `towels`
[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: associated function `from_file` is never used
[INFO] [stdout]   --> day18/src/main.rs:85:8
[INFO] [stdout]    |
[INFO] [stdout] 84 | impl Maze {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 85 |     fn from_file(
[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 `clone` on type `Position` which implements the `Copy` trait
[INFO] [stdout]    --> day18/src/main.rs:128:46
[INFO] [stdout]     |
[INFO] [stdout] 128 |             .for_each(|pos| _ = walls.insert(pos.clone()));
[INFO] [stdout]     |                                              ^^^^^^^^^^^ help: try dereferencing it: `*pos`
[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: using `clone` on type `Position` which implements the `Copy` trait
[INFO] [stdout]    --> day18/src/main.rs:165:26
[INFO] [stdout]     |
[INFO] [stdout] 165 |                     loc: neighbor.clone(),
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^ help: try dereferencing it: `*neighbor`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> day17/src/main.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut outputs = machine.run();
[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: value assigned to `reg_a` is never read
[INFO] [stdout]   --> day17/src/main.rs:22:28
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut reg_a: usize = 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: called `.iter().count()` on a `HashSet`
[INFO] [stdout]   --> day10/src/main.rs:72:22
[INFO] [stdout]    |
[INFO] [stdout] 72 |             .map(|p| self.explore(p).iter().count())
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `self.explore(p).len()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_count
[INFO] [stdout]    = note: `#[warn(clippy::iter_count)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> day17/src/main.rs:152:21
[INFO] [stdout]     |
[INFO] [stdout] 152 |                     self.reg_a = self.reg_a >> combo_operand;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.reg_a >>= combo_operand`
[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]    --> day17/src/main.rs:155:21
[INFO] [stdout]     |
[INFO] [stdout] 155 |                     self.reg_b = self.reg_b ^ literal_operand as usize;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.reg_b ^= literal_operand as usize`
[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: casting to the same type is unnecessary (`usize` -> `usize`)
[INFO] [stdout]    --> day17/src/main.rs:158:34
[INFO] [stdout]     |
[INFO] [stdout] 158 |                     self.reg_b = (combo_operand % 8) as usize;
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(combo_operand % 8)`
[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: manual implementation of an assign operation
[INFO] [stdout]    --> day17/src/main.rs:167:21
[INFO] [stdout]     |
[INFO] [stdout] 167 |                     self.reg_b = self.reg_b ^ self.reg_c;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.reg_b ^= self.reg_c`
[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: variable does not need to be mutable
[INFO] [stdout]  --> day17/src/main.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut outputs = machine.run();
[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: value assigned to `reg_a` is never read
[INFO] [stdout]   --> day17/src/main.rs:22:28
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut reg_a: usize = 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: manual implementation of an assign operation
[INFO] [stdout]    --> day17/src/main.rs:152:21
[INFO] [stdout]     |
[INFO] [stdout] 152 |                     self.reg_a = self.reg_a >> combo_operand;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.reg_a >>= combo_operand`
[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]    --> day17/src/main.rs:155:21
[INFO] [stdout]     |
[INFO] [stdout] 155 |                     self.reg_b = self.reg_b ^ literal_operand as usize;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.reg_b ^= literal_operand as usize`
[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: casting to the same type is unnecessary (`usize` -> `usize`)
[INFO] [stdout]    --> day17/src/main.rs:158:34
[INFO] [stdout]     |
[INFO] [stdout] 158 |                     self.reg_b = (combo_operand % 8) as usize;
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(combo_operand % 8)`
[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: manual implementation of an assign operation
[INFO] [stdout]    --> day17/src/main.rs:167:21
[INFO] [stdout]     |
[INFO] [stdout] 167 |                     self.reg_b = self.reg_b ^ self.reg_c;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.reg_b ^= self.reg_c`
[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: called `.nth(0)` on a `std::iter::Iterator`, when `.next()` is equivalent
[INFO] [stdout]  --> day09/src/main.rs:9:17
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let input = reader.lines().nth(0).unwrap()?;
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^^^^ help: try calling `.next()` instead of `.nth(0)`: `reader.lines().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: the loop variable `i` is only used to index `result`
[INFO] [stdout]    --> day09/src/main.rs:136:18
[INFO] [stdout]     |
[INFO] [stdout] 136 |         for i in block.start..(block.start + block.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] 136 -         for i in block.start..(block.start + block.len) {
[INFO] [stdout] 136 +         for <item> in result.iter_mut().skip(block.start).take(block.len) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]    --> day09/src/main.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 147 | /         match n {
[INFO] [stdout] 148 | |             Some(v) => checksum += i * v,
[INFO] [stdout] 149 | |             None => {}
[INFO] [stdout] 150 | |         }
[INFO] [stdout]     | |_________^ help: try: `if let Some(v) = n { checksum += i * v }`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout]     = note: `#[warn(clippy::single_match)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]    --> day09/src/main.rs:155:18
[INFO] [stdout]     |
[INFO] [stdout] 155 | fn is_compact(v: &Vec<Option<usize>>) -> bool {
[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] 155 - fn is_compact(v: &Vec<Option<usize>>) -> bool {
[INFO] [stdout] 155 + fn is_compact(v: &[Option<usize>]) -> bool {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `.nth(0)` on a `std::iter::Iterator`, when `.next()` is equivalent
[INFO] [stdout]    --> day09/src/main.rs:169:21
[INFO] [stdout]     |
[INFO] [stdout] 169 |         let input = reader.lines().nth(0).unwrap()?;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^ help: try calling `.next()` instead of `.nth(0)`: `reader.lines().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] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `.nth(0)` on a `std::iter::Iterator`, when `.next()` is equivalent
[INFO] [stdout]    --> day09/src/main.rs:179:21
[INFO] [stdout]     |
[INFO] [stdout] 179 |         let input = reader.lines().nth(0).unwrap()?;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^ help: try calling `.next()` instead of `.nth(0)`: `reader.lines().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] 
[INFO] [stdout] 
[INFO] [stdout] warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator`
[INFO] [stdout]   --> day04/src/main.rs:38:49
[INFO] [stdout]    |
[INFO] [stdout] 38 |         result += count_xmas(&String::from_iter(line.clone().into_iter()));
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()`
[INFO] [stdout]   --> /rustc/3645249d79dfb136b5d8de3ce153d19d6698d92d/library/core/src/iter/traits/collect.rs:152:20
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout]    = note: `#[warn(clippy::useless_conversion)]` on by default
[INFO] [stdout] help: consider removing the `.into_iter()`
[INFO] [stdout]    |
[INFO] [stdout] 38 -         result += count_xmas(&String::from_iter(line.clone().into_iter()));
[INFO] [stdout] 38 +         result += count_xmas(&String::from_iter(line.clone()));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> day04/src/main.rs:39:55
[INFO] [stdout]    |
[INFO] [stdout] 39 |         result += count_xmas(&diag_string(0, i, true, &xword));
[INFO] [stdout]    |                                                       ^^^^^^ help: change this to: `xword`
[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: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> day04/src/main.rs:40:56
[INFO] [stdout]    |
[INFO] [stdout] 40 |         result += count_xmas(&diag_string(0, i, false, &xword));
[INFO] [stdout]    |                                                        ^^^^^^ help: change this to: `xword`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> day04/src/main.rs:43:55
[INFO] [stdout]    |
[INFO] [stdout] 43 |         result += count_xmas(&diag_string(j, 0, true, &xword));
[INFO] [stdout]    |                                                       ^^^^^^ help: change this to: `xword`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> day04/src/main.rs:44:70
[INFO] [stdout]    |
[INFO] [stdout] 44 |         result += count_xmas(&diag_string(j, xword.len() - 1, false, &xword));
[INFO] [stdout]    |                                                                      ^^^^^^ help: change this to: `xword`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> day04/src/main.rs:47:50
[INFO] [stdout]    |
[INFO] [stdout] 47 |         result += count_xmas(&vertical_string(i, &xword));
[INFO] [stdout]    |                                                  ^^^^^^ help: change this to: `xword`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> day04/src/main.rs:57:56
[INFO] [stdout]    |
[INFO] [stdout] 57 |             if xword[j][i] == 'A' && check_for_x(i, j, &xword) {
[INFO] [stdout]    |                                                        ^^^^^^ help: change this to: `xword`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> day04/src/main.rs:66:43
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn check_for_x(x: usize, y: usize, xword: &Vec<Vec<char>>) -> bool {
[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 check_for_x(x: usize, y: usize, xword: &Vec<Vec<char>>) -> bool {
[INFO] [stdout] 66 + fn check_for_x(x: usize, y: usize, xword: &[Vec<char>]) -> bool {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> day04/src/main.rs:87:37
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn vertical_string(x: usize, xword: &Vec<Vec<char>>) -> String {
[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] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 87 - fn vertical_string(x: usize, xword: &Vec<Vec<char>>) -> String {
[INFO] [stdout] 87 + fn vertical_string(x: usize, xword: &[Vec<char>]) -> String {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> day04/src/main.rs:94:58
[INFO] [stdout]    |
[INFO] [stdout] 94 | fn diag_string(x: usize, y: usize, descend: bool, xword: &Vec<Vec<char>>) -> String {
[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] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 94 - fn diag_string(x: usize, y: usize, descend: bool, xword: &Vec<Vec<char>>) -> String {
[INFO] [stdout] 94 + fn diag_string(x: usize, y: usize, descend: bool, xword: &[Vec<char>]) -> String {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stdout] warning: using `clone` on type `Position` which implements the `Copy` trait
[INFO] [stdout]    --> day16/src/main.rs:168:18
[INFO] [stdout]     |
[INFO] [stdout] 168 |             loc: self.visited.keys().nth(0).unwrap().clone(),
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*self.visited.keys().nth(0).unwrap()`
[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: using `clone` on type `Position` which implements the `Copy` trait
[INFO] [stdout]    --> day16/src/main.rs:220:23
[INFO] [stdout]     |
[INFO] [stdout] 220 |         let current = pos.clone();
[INFO] [stdout]     |                       ^^^^^^^^^^^ help: try dereferencing it: `*pos`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> day16/src/main.rs:256:29
[INFO] [stdout]     |
[INFO] [stdout] 256 |         self.walls.contains(&p)
[INFO] [stdout]     |                             ^^ help: change this to: `p`
[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] [stderr]     Checking day12 v0.1.0 (/opt/rustwide/workdir/day12)
[INFO] [stderr]     Checking day05 v0.1.0 (/opt/rustwide/workdir/day05)
[INFO] [stderr]     Checking day08 v0.1.0 (/opt/rustwide/workdir/day08)
[INFO] [stderr]     Checking day20 v0.1.0 (/opt/rustwide/workdir/day20)
[INFO] [stdout] warning: redundant pattern matching, consider using `is_ok()`
[INFO] [stdout]   --> day05/src/main.rs:28:15
[INFO] [stdout]    |
[INFO] [stdout] 28 |     while let Ok(_) = reader.read_line(&mut buffer) {
[INFO] [stdout]    |     ----------^^^^^-------------------------------- help: try: `while reader.read_line(&mut buffer).is_ok()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stdout]    = note: `#[warn(clippy::redundant_pattern_matching)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant pattern matching, consider using `is_ok()`
[INFO] [stdout]   --> day05/src/main.rs:42:15
[INFO] [stdout]    |
[INFO] [stdout] 42 |     while let Ok(_) = reader.read_line(&mut buffer) {
[INFO] [stdout]    |     ----------^^^^^-------------------------------- help: try: `while reader.read_line(&mut buffer).is_ok()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> day05/src/main.rs:57:30
[INFO] [stdout]    |
[INFO] [stdout] 57 |         .filter(|p| is_valid(&p, &rules))
[INFO] [stdout]    |                              ^^ help: change this to: `p`
[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: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> day05/src/main.rs:57:34
[INFO] [stdout]    |
[INFO] [stdout] 57 |         .filter(|p| is_valid(&p, &rules))
[INFO] [stdout]    |                                  ^^^^^^ help: change this to: `rules`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> day05/src/main.rs:66:34
[INFO] [stdout]    |
[INFO] [stdout] 66 |         .filter(|p| !is_valid(p, &rules))
[INFO] [stdout]    |                                  ^^^^^^ help: change this to: `rules`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> day05/src/main.rs:71:33
[INFO] [stdout]    |
[INFO] [stdout] 71 |         while !is_valid(&fixed, &rules) {
[INFO] [stdout]    |                                 ^^^^^^ help: change this to: `rules`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> day05/src/main.rs:72:35
[INFO] [stdout]    |
[INFO] [stdout] 72 |             fix_pages(&mut fixed, &rules);
[INFO] [stdout]    |                                   ^^^^^^ help: change this to: `rules`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&mut Vec` instead of `&mut [_]` involves a new object where a slice will do
[INFO] [stdout]   --> day05/src/main.rs:80:21
[INFO] [stdout]    |
[INFO] [stdout] 80 | fn fix_pages(pages: &mut Vec<usize>, rules: &Rules) {
[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] 80 ~ fn fix_pages(pages: &mut [usize], rules: &Rules) {
[INFO] [stdout] 81 ~     for combination in pages.to_owned().iter().combinations(2) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `contains_key` followed by `insert` on a `HashMap`
[INFO] [stdout]   --> day12/src/main.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | /         if !crops.contains_key(&c) {
[INFO] [stdout] 25 | |             let mut set = HashSet::new();
[INFO] [stdout] 26 | |             set.insert(current_point);
[INFO] [stdout] 27 | |             crops.insert(c, vec![set]);
[INFO] [stdout] ...  |
[INFO] [stdout] 41 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_entry
[INFO] [stdout]    = note: `#[warn(clippy::map_entry)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 24 ~         if let std::collections::hash_map::Entry::Vacant(e) = crops.entry(c) {
[INFO] [stdout] 25 +             let mut set = HashSet::new();
[INFO] [stdout] 26 +             set.insert(current_point);
[INFO] [stdout] 27 +             e.insert(vec![set]);
[INFO] [stdout] 28 +         } else {
[INFO] [stdout] 29 +             let mut found = false;
[INFO] [stdout] 30 +             for group in crops.get_mut(&c).unwrap() {
[INFO] [stdout] 31 +                 if group.iter().any(|point| point.adjacent(&current_point)) {
[INFO] [stdout] 32 +                     group.insert(current_point);
[INFO] [stdout] 33 +                     found = true;
[INFO] [stdout] 34 +                 }
[INFO] [stdout] 35 +             }
[INFO] [stdout] 36 +             if !found {
[INFO] [stdout] 37 +                 let mut set = HashSet::new();
[INFO] [stdout] 38 +                 set.insert(current_point);
[INFO] [stdout] 39 +                 crops.get_mut(&c).unwrap().push(set);
[INFO] [stdout] 40 +             }
[INFO] [stdout] 41 +         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `contains_key` followed by `insert` on a `HashMap`
[INFO] [stdout]   --> day12/src/main.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | /         if !crops.contains_key(&c) {
[INFO] [stdout] 25 | |             let mut set = HashSet::new();
[INFO] [stdout] 26 | |             set.insert(current_point);
[INFO] [stdout] 27 | |             crops.insert(c, vec![set]);
[INFO] [stdout] ...  |
[INFO] [stdout] 41 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_entry
[INFO] [stdout]    = note: `#[warn(clippy::map_entry)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 24 ~         if let std::collections::hash_map::Entry::Vacant(e) = crops.entry(c) {
[INFO] [stdout] 25 +             let mut set = HashSet::new();
[INFO] [stdout] 26 +             set.insert(current_point);
[INFO] [stdout] 27 +             e.insert(vec![set]);
[INFO] [stdout] 28 +         } else {
[INFO] [stdout] 29 +             let mut found = false;
[INFO] [stdout] 30 +             for group in crops.get_mut(&c).unwrap() {
[INFO] [stdout] 31 +                 if group.iter().any(|point| point.adjacent(&current_point)) {
[INFO] [stdout] 32 +                     group.insert(current_point);
[INFO] [stdout] 33 +                     found = true;
[INFO] [stdout] 34 +                 }
[INFO] [stdout] 35 +             }
[INFO] [stdout] 36 +             if !found {
[INFO] [stdout] 37 +                 let mut set = HashSet::new();
[INFO] [stdout] 38 +                 set.insert(current_point);
[INFO] [stdout] 39 +                 crops.get_mut(&c).unwrap().push(set);
[INFO] [stdout] 40 +             }
[INFO] [stdout] 41 +         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to want to iterate on a map's values
[INFO] [stdout]   --> day12/src/main.rs:52:25
[INFO] [stdout]    |
[INFO] [stdout] 52 |     for (_, regions) in &mut crops {
[INFO] [stdout]    |                         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_kv_map
[INFO] [stdout]    = note: `#[warn(clippy::for_kv_map)]` on by default
[INFO] [stdout] help: use the corresponding method
[INFO] [stdout]    |
[INFO] [stdout] 52 -     for (_, regions) in &mut crops {
[INFO] [stdout] 52 +     for regions in crops.values_mut() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> day12/src/main.rs:93:45
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 .map(|p| corners(p, region, &map))
[INFO] [stdout]    |                                             ^^^^ help: change this to: `map`
[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: you seem to want to iterate on a map's values
[INFO] [stdout]   --> day12/src/main.rs:52:25
[INFO] [stdout]    |
[INFO] [stdout] 52 |     for (_, regions) in &mut crops {
[INFO] [stdout]    |                         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_kv_map
[INFO] [stdout]    = note: `#[warn(clippy::for_kv_map)]` on by default
[INFO] [stdout] help: use the corresponding method
[INFO] [stdout]    |
[INFO] [stdout] 52 -     for (_, regions) in &mut crops {
[INFO] [stdout] 52 +     for regions in crops.values_mut() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> day12/src/main.rs:93:45
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 .map(|p| corners(p, region, &map))
[INFO] [stdout]    |                                             ^^^^ help: change this to: `map`
[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: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]    --> day12/src/main.rs:193:23
[INFO] [stdout]     |
[INFO] [stdout] 193 | fn combine_sets(sets: &Vec<HashSet<Point>>) -> Vec<HashSet<Point>> {
[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] 193 ~ fn combine_sets(sets: &[HashSet<Point>]) -> Vec<HashSet<Point>> {
[INFO] [stdout] 194 |     let mut regions_coalesced = Vec::new();
[INFO] [stdout] ...
[INFO] [stdout] 209 |     }
[INFO] [stdout] 210 ~     sets.to_owned()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]    --> day12/src/main.rs:193:23
[INFO] [stdout]     |
[INFO] [stdout] 193 | fn combine_sets(sets: &Vec<HashSet<Point>>) -> Vec<HashSet<Point>> {
[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] 193 ~ fn combine_sets(sets: &[HashSet<Point>]) -> Vec<HashSet<Point>> {
[INFO] [stdout] 194 |     let mut regions_coalesced = Vec::new();
[INFO] [stdout] ...
[INFO] [stdout] 209 |     }
[INFO] [stdout] 210 ~     sets.to_owned()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `Position` which implements the `Copy` trait
[INFO] [stdout]    --> day20/src/main.rs:187:29
[INFO] [stdout]     |
[INFO] [stdout] 187 |         self.visited.insert(self.start.clone(), 0);
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.start`
[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: using `clone` on type `Position` which implements the `Copy` trait
[INFO] [stdout]    --> day20/src/main.rs:189:18
[INFO] [stdout]     |
[INFO] [stdout] 189 |             loc: self.visited.keys().nth(0).unwrap().clone(),
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*self.visited.keys().nth(0).unwrap()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> day20/src/main.rs:253:29
[INFO] [stdout]     |
[INFO] [stdout] 253 |         self.walls.contains(&p)
[INFO] [stdout]     |                             ^^ help: change this to: `p`
[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: redundant pattern matching, consider using `is_ok()`
[INFO] [stdout]   --> day05/src/main.rs:28:15
[INFO] [stdout]    |
[INFO] [stdout] 28 |     while let Ok(_) = reader.read_line(&mut buffer) {
[INFO] [stdout]    |     ----------^^^^^-------------------------------- help: try: `while reader.read_line(&mut buffer).is_ok()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stdout]    = note: `#[warn(clippy::redundant_pattern_matching)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant pattern matching, consider using `is_ok()`
[INFO] [stdout]   --> day05/src/main.rs:42:15
[INFO] [stdout]    |
[INFO] [stdout] 42 |     while let Ok(_) = reader.read_line(&mut buffer) {
[INFO] [stdout]    |     ----------^^^^^-------------------------------- help: try: `while reader.read_line(&mut buffer).is_ok()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> day05/src/main.rs:57:30
[INFO] [stdout]    |
[INFO] [stdout] 57 |         .filter(|p| is_valid(&p, &rules))
[INFO] [stdout]    |                              ^^ help: change this to: `p`
[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: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> day05/src/main.rs:57:34
[INFO] [stdout]    |
[INFO] [stdout] 57 |         .filter(|p| is_valid(&p, &rules))
[INFO] [stdout]    |                                  ^^^^^^ help: change this to: `rules`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> day05/src/main.rs:66:34
[INFO] [stdout]    |
[INFO] [stdout] 66 |         .filter(|p| !is_valid(p, &rules))
[INFO] [stdout]    |                                  ^^^^^^ help: change this to: `rules`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> day05/src/main.rs:71:33
[INFO] [stdout]    |
[INFO] [stdout] 71 |         while !is_valid(&fixed, &rules) {
[INFO] [stdout]    |                                 ^^^^^^ help: change this to: `rules`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> day05/src/main.rs:72:35
[INFO] [stdout]    |
[INFO] [stdout] 72 |             fix_pages(&mut fixed, &rules);
[INFO] [stdout]    |                                   ^^^^^^ help: change this to: `rules`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&mut Vec` instead of `&mut [_]` involves a new object where a slice will do
[INFO] [stdout]   --> day05/src/main.rs:80:21
[INFO] [stdout]    |
[INFO] [stdout] 80 | fn fix_pages(pages: &mut Vec<usize>, rules: &Rules) {
[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] 80 ~ fn fix_pages(pages: &mut [usize], rules: &Rules) {
[INFO] [stdout] 81 ~     for combination in pages.to_owned().iter().combinations(2) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day22 v0.1.0 (/opt/rustwide/workdir/day22)
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> day22/src/main.rs:60:34
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn find_first_occurrence(deltas: &Vec<i64>, sequence: &Vec<i64>) -> Option<usize> {
[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] 60 - fn find_first_occurrence(deltas: &Vec<i64>, sequence: &Vec<i64>) -> Option<usize> {
[INFO] [stdout] 60 + fn find_first_occurrence(deltas: &[i64], sequence: &Vec<i64>) -> Option<usize> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `Position` which implements the `Copy` trait
[INFO] [stdout]    --> day20/src/main.rs:187:29
[INFO] [stdout]     |
[INFO] [stdout] 187 |         self.visited.insert(self.start.clone(), 0);
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.start`
[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: using `clone` on type `Position` which implements the `Copy` trait
[INFO] [stdout]    --> day20/src/main.rs:189:18
[INFO] [stdout]     |
[INFO] [stdout] 189 |             loc: self.visited.keys().nth(0).unwrap().clone(),
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*self.visited.keys().nth(0).unwrap()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> day20/src/main.rs:253:29
[INFO] [stdout]     |
[INFO] [stdout] 253 |         self.walls.contains(&p)
[INFO] [stdout]     |                             ^^ help: change this to: `p`
[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: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> day22/src/main.rs:60:34
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn find_first_occurrence(deltas: &Vec<i64>, sequence: &Vec<i64>) -> Option<usize> {
[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] 60 - fn find_first_occurrence(deltas: &Vec<i64>, sequence: &Vec<i64>) -> Option<usize> {
[INFO] [stdout] 60 + fn find_first_occurrence(deltas: &[i64], sequence: &Vec<i64>) -> Option<usize> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking day03 v0.1.0 (/opt/rustwide/workdir/day03)
[INFO] [stderr]     Checking day13 v0.1.0 (/opt/rustwide/workdir/day13)
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling cached_proc_macro v0.25.0
[INFO] [stderr]     Checking cached v0.56.0
[INFO] [stderr]     Checking day21 v0.1.0 (/opt/rustwide/workdir/day21)
[INFO] [stdout] warning: methods with the following characteristics: (`to_*` and `self` type is `Copy`) usually take `self` by value
[INFO] [stdout]    --> day21/src/main.rs:156:16
[INFO] [stdout]     |
[INFO] [stdout] 156 |     fn to_char(&self) -> char {
[INFO] [stdout]     |                ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider choosing a less ambiguous name
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stdout]     = note: `#[warn(clippy::wrong_self_convention)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `TClusterKey` which implements the `Copy` trait
[INFO] [stdout]    --> day21/src/main.rs:230:27
[INFO] [stdout]     |
[INFO] [stdout] 230 |                 path.push(next.clone());
[INFO] [stdout]     |                           ^^^^^^^^^^^^ help: try removing the `clone` call: `next`
[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: returning the result of a `let` binding from a block
[INFO] [stdout]    --> day21/src/main.rs:257:9
[INFO] [stdout]     |
[INFO] [stdout] 242 | /         let result = [
[INFO] [stdout] 243 | |             TClusterKey::Up,
[INFO] [stdout] 244 | |             TClusterKey::Down,
[INFO] [stdout] 245 | |             TClusterKey::Left,
[INFO] [stdout] ...   |
[INFO] [stdout] 254 | |         })
[INFO] [stdout] 255 | |         .collect();
[INFO] [stdout]     | |___________________- unnecessary `let` binding
[INFO] [stdout] 256 |
[INFO] [stdout] 257 |           result
[INFO] [stdout]     |           ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stdout]     = note: `#[warn(clippy::let_and_return)]` on by default
[INFO] [stdout] help: return the expression directly
[INFO] [stdout]     |
[INFO] [stdout] 242 ~         
[INFO] [stdout] 243 |
[INFO] [stdout] 244 ~         [
[INFO] [stdout] 245 +             TClusterKey::Up,
[INFO] [stdout] 246 +             TClusterKey::Down,
[INFO] [stdout] 247 +             TClusterKey::Left,
[INFO] [stdout] 248 +             TClusterKey::Right,
[INFO] [stdout] 249 +         ]
[INFO] [stdout] 250 +         .into_iter()
[INFO] [stdout] 251 +         .filter(|pos| start.next(&pos).is_some())
[INFO] [stdout] 252 +         .filter(|pos| start.next(&pos).unwrap().position() != (0, 3)) // Don't step in the gap
[INFO] [stdout] 253 +         .filter(|pos| {
[INFO] [stdout] 254 +             Self::manhattan_distance(&start.next(&pos).unwrap(), end)
[INFO] [stdout] 255 +                 < Self::manhattan_distance(start, end)
[INFO] [stdout] 256 +         })
[INFO] [stdout] 257 +         .collect()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> day21/src/main.rs:249:34
[INFO] [stdout]     |
[INFO] [stdout] 249 |         .filter(|pos| start.next(&pos).is_some())
[INFO] [stdout]     |                                  ^^^^ help: change this to: `pos`
[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: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> day21/src/main.rs:250:34
[INFO] [stdout]     |
[INFO] [stdout] 250 |         .filter(|pos| start.next(&pos).unwrap().position() != (0, 3)) // Don't step in the gap
[INFO] [stdout]     |                                  ^^^^ help: change this to: `pos`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> day21/src/main.rs:252:50
[INFO] [stdout]     |
[INFO] [stdout] 252 |             Self::manhattan_distance(&start.next(&pos).unwrap(), end)
[INFO] [stdout]     |                                                  ^^^^ help: change this to: `pos`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> day21/src/main.rs:331:8
[INFO] [stdout]     |
[INFO] [stdout] 331 |     if !(start_pos == (0, 1) && end_pos.1 == 0) && !vertical.is_empty() && !horizontal.is_empty() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `!(vertical.is_empty() || horizontal.is_empty() || start_pos == (0, 1) && end_pos.1 == 0)`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> day21/src/main.rs:331:8
[INFO] [stdout]     |
[INFO] [stdout] 331 |     if !(start_pos == (0, 1) && end_pos.1 == 0) && !vertical.is_empty() && !horizontal.is_empty() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `!(vertical.is_empty() || start_pos == (0, 1) && end_pos.1 == 0)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods with the following characteristics: (`to_*` and `self` type is `Copy`) usually take `self` by value
[INFO] [stdout]    --> day21/src/main.rs:156:16
[INFO] [stdout]     |
[INFO] [stdout] 156 |     fn to_char(&self) -> char {
[INFO] [stdout]     |                ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider choosing a less ambiguous name
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stdout]     = note: `#[warn(clippy::wrong_self_convention)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `TClusterKey` which implements the `Copy` trait
[INFO] [stdout]    --> day21/src/main.rs:230:27
[INFO] [stdout]     |
[INFO] [stdout] 230 |                 path.push(next.clone());
[INFO] [stdout]     |                           ^^^^^^^^^^^^ help: try removing the `clone` call: `next`
[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: returning the result of a `let` binding from a block
[INFO] [stdout]    --> day21/src/main.rs:257:9
[INFO] [stdout]     |
[INFO] [stdout] 242 | /         let result = [
[INFO] [stdout] 243 | |             TClusterKey::Up,
[INFO] [stdout] 244 | |             TClusterKey::Down,
[INFO] [stdout] 245 | |             TClusterKey::Left,
[INFO] [stdout] ...   |
[INFO] [stdout] 254 | |         })
[INFO] [stdout] 255 | |         .collect();
[INFO] [stdout]     | |___________________- unnecessary `let` binding
[INFO] [stdout] 256 |
[INFO] [stdout] 257 |           result
[INFO] [stdout]     |           ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stdout]     = note: `#[warn(clippy::let_and_return)]` on by default
[INFO] [stdout] help: return the expression directly
[INFO] [stdout]     |
[INFO] [stdout] 242 ~         
[INFO] [stdout] 243 |
[INFO] [stdout] 244 ~         [
[INFO] [stdout] 245 +             TClusterKey::Up,
[INFO] [stdout] 246 +             TClusterKey::Down,
[INFO] [stdout] 247 +             TClusterKey::Left,
[INFO] [stdout] 248 +             TClusterKey::Right,
[INFO] [stdout] 249 +         ]
[INFO] [stdout] 250 +         .into_iter()
[INFO] [stdout] 251 +         .filter(|pos| start.next(&pos).is_some())
[INFO] [stdout] 252 +         .filter(|pos| start.next(&pos).unwrap().position() != (0, 3)) // Don't step in the gap
[INFO] [stdout] 253 +         .filter(|pos| {
[INFO] [stdout] 254 +             Self::manhattan_distance(&start.next(&pos).unwrap(), end)
[INFO] [stdout] 255 +                 < Self::manhattan_distance(start, end)
[INFO] [stdout] 256 +         })
[INFO] [stdout] 257 +         .collect()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> day21/src/main.rs:249:34
[INFO] [stdout]     |
[INFO] [stdout] 249 |         .filter(|pos| start.next(&pos).is_some())
[INFO] [stdout]     |                                  ^^^^ help: change this to: `pos`
[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: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> day21/src/main.rs:250:34
[INFO] [stdout]     |
[INFO] [stdout] 250 |         .filter(|pos| start.next(&pos).unwrap().position() != (0, 3)) // Don't step in the gap
[INFO] [stdout]     |                                  ^^^^ help: change this to: `pos`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> day21/src/main.rs:252:50
[INFO] [stdout]     |
[INFO] [stdout] 252 |             Self::manhattan_distance(&start.next(&pos).unwrap(), end)
[INFO] [stdout]     |                                                  ^^^^ help: change this to: `pos`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> day21/src/main.rs:331:8
[INFO] [stdout]     |
[INFO] [stdout] 331 |     if !(start_pos == (0, 1) && end_pos.1 == 0) && !vertical.is_empty() && !horizontal.is_empty() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `!(vertical.is_empty() || horizontal.is_empty() || start_pos == (0, 1) && end_pos.1 == 0)`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> day21/src/main.rs:331:8
[INFO] [stdout]     |
[INFO] [stdout] 331 |     if !(start_pos == (0, 1) && end_pos.1 == 0) && !vertical.is_empty() && !horizontal.is_empty() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `!(vertical.is_empty() || start_pos == (0, 1) && end_pos.1 == 0)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.36s
[INFO] running `Command { std: "docker" "inspect" "1f642f9a38f8c2d80bb3be9703807cf7a10e10898b7379b002d61e5bc3800510", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f642f9a38f8c2d80bb3be9703807cf7a10e10898b7379b002d61e5bc3800510", kill_on_drop: false }`
[INFO] [stdout] 1f642f9a38f8c2d80bb3be9703807cf7a10e10898b7379b002d61e5bc3800510