[INFO] cloning repository https://github.com/zoldseges/aoc2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zoldseges/aoc2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzoldseges%2Faoc2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzoldseges%2Faoc2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7ed0323be493021f44ad8d1a324e594e9ca87bb2
[INFO] linting zoldseges/aoc2021 against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzoldseges%2Faoc2021" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/zoldseges/aoc2021
[INFO] finished tweaking git repo https://github.com/zoldseges/aoc2021
[INFO] tweaked toml for git repo https://github.com/zoldseges/aoc2021 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zoldseges/aoc2021 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/zoldseges/aoc2021 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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 71272f5a3a36ea5d02e6ef357454967a5403ea86cf3f7cb7e892ef271369ef16
[INFO] running `Command { std: "docker" "start" "-a" "71272f5a3a36ea5d02e6ef357454967a5403ea86cf3f7cb7e892ef271369ef16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71272f5a3a36ea5d02e6ef357454967a5403ea86cf3f7cb7e892ef271369ef16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71272f5a3a36ea5d02e6ef357454967a5403ea86cf3f7cb7e892ef271369ef16", kill_on_drop: false }`
[INFO] [stdout] 71272f5a3a36ea5d02e6ef357454967a5403ea86cf3f7cb7e892ef271369ef16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b3a27b40e994e3825234b55dbb47f209483b56d05052891b2c80f689c78ecd1d
[INFO] running `Command { std: "docker" "start" "-a" "b3a27b40e994e3825234b55dbb47f209483b56d05052891b2c80f689c78ecd1d", kill_on_drop: false }`
[INFO] [stderr]     Checking aoc2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `base` is never read
[INFO] [stdout]   --> src/puzzles/day14/mod.rs:22:32
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let mut base: String = String::new();
[INFO] [stdout]    |                                ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `from` is never read
[INFO] [stdout]   --> src/puzzles/day14/mod.rs:28:28
[INFO] [stdout]    |
[INFO] [stdout] 28 |             let mut from = String::new();
[INFO] [stdout]    |                            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/puzzles/day10/mod.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |     Opening(char),
[INFO] [stdout]    |     ------- ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 45 -     Opening(char),
[INFO] [stdout] 45 +     Opening(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Input` is never constructed
[INFO] [stdout]   --> src/puzzles/day14/mod.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Input {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/puzzles/day14/mod.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl Input {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 21 |     fn new(input: &str) -> Input {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this if-then-else expression returns a bool literal
[INFO] [stdout]   --> src/utils.rs:22:6
[INFO] [stdout]    |
[INFO] [stdout] 22 | /         if col < self.cols &&
[INFO] [stdout] 23 | |         row < self.rows{
[INFO] [stdout] 24 | |             true
[INFO] [stdout] ...  |
[INFO] [stdout] 27 | |         false
[INFO] [stdout] 28 | |         }
[INFO] [stdout]    | |_________^ help: you can reduce it to: `col < self.cols && row < self.rows`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_bool
[INFO] [stdout]    = note: `#[warn(clippy::needless_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/utils.rs:79:3
[INFO] [stdout]    |
[INFO] [stdout] 79 |         return Some(res);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 79 -         return Some(res);
[INFO] [stdout] 79 +         Some(res)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/utils.rs:81:3
[INFO] [stdout]    |
[INFO] [stdout] 81 |         return None;
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 81 -         return None;
[INFO] [stdout] 81 +         None
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::string::String`
[INFO] [stdout]   --> src/puzzles/day02/mod.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     String::from(format!("{}", pos[0] * pos[1]))
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `String::from()`: `format!("{}", pos[0] * pos[1])`
[INFO] [stdout]    |
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::string::String`
[INFO] [stdout]   --> src/puzzles/day02/mod.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     String::from(format!("{}", pos[0] * pos[1]))
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `String::from()`: `format!("{}", pos[0] * pos[1])`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded late initialization
[INFO] [stdout]   --> src/puzzles/day03/mod.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let gamma;
[INFO] [stdout]    |     ^^^^^^^^^^ created here
[INFO] [stdout] ...
[INFO] [stdout] 48 |     gamma = bin_vec_to_dec(gamma_vec);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ initialised here
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_late_init
[INFO] [stdout]    = note: `#[warn(clippy::needless_late_init)]` on by default
[INFO] [stdout] help: move the declaration `gamma` here
[INFO] [stdout]    |
[INFO] [stdout] 22 ~     
[INFO] [stdout] 23 |     let epsilon;
[INFO] [stdout] ...
[INFO] [stdout] 47 |     }
[INFO] [stdout] 48 ~     let gamma = bin_vec_to_dec(gamma_vec);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded late initialization
[INFO] [stdout]   --> src/puzzles/day03/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let epsilon;
[INFO] [stdout]    |     ^^^^^^^^^^^^ created here
[INFO] [stdout] ...
[INFO] [stdout] 49 |     epsilon = bin_vec_to_dec(epsilon_vec);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ initialised here
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_late_init
[INFO] [stdout] help: move the declaration `epsilon` here
[INFO] [stdout]    |
[INFO] [stdout] 23 ~     
[INFO] [stdout] 24 |
[INFO] [stdout] ...
[INFO] [stdout] 48 |     gamma = bin_vec_to_dec(gamma_vec);
[INFO] [stdout] 49 ~     let epsilon = bin_vec_to_dec(epsilon_vec);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function call inside of `expect`
[INFO] [stdout]    --> src/puzzles/day03/mod.rs:105:2
[INFO] [stdout]     |
[INFO] [stdout] 105 |     expect(&(format!("couldn't convert {} to decimal", &res_string)))
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `unwrap_or_else(|_| panic!("couldn't convert {} to decimal", &res_string))`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stdout]     = note: `#[warn(clippy::expect_fun_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `base` is never read
[INFO] [stdout]   --> src/puzzles/day14/mod.rs:22:32
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let mut base: String = String::new();
[INFO] [stdout]    |                                ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `from` is never read
[INFO] [stdout]   --> src/puzzles/day14/mod.rs:28:28
[INFO] [stdout]    |
[INFO] [stdout] 28 |             let mut from = String::new();
[INFO] [stdout]    |                            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/puzzles/day14/mod.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let input = Input::new(get_input());
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a new box
[INFO] [stdout]    --> src/puzzles/day03/mod.rs:125:11
[INFO] [stdout]     |
[INFO] [stdout] 125 |         0 => self.left_0 = Box::new(Some(new)),
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace existing content with inner value instead: `*self.left_0 = Some(new)`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this creates a needless allocation
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#replace_box
[INFO] [stdout]     = note: `#[warn(clippy::replace_box)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a new box
[INFO] [stdout]    --> src/puzzles/day03/mod.rs:126:11
[INFO] [stdout]     |
[INFO] [stdout] 126 |         1 => self.right_1 = Box::new(Some(new)),
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace existing content with inner value instead: `*self.right_1 = Some(new)`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this creates a needless allocation
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#replace_box
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/puzzles/day10/mod.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |     Opening(char),
[INFO] [stdout]    |     ------- ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 45 -     Opening(char),
[INFO] [stdout] 45 +     Opening(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `base` and `rules` are never read
[INFO] [stdout]   --> src/puzzles/day14/mod.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Input {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 16 |     base: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 17 |     rules: HashMap<String, String>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this creates an owned instance just for comparison
[INFO] [stdout]    --> src/puzzles/day03/mod.rs:175:5
[INFO] [stdout]     |
[INFO] [stdout] 175 |     if value.to_owned() == 1 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^ help: try: `*value`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stdout]     = note: `#[warn(clippy::cmp_owned)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::string::String`
[INFO] [stdout]   --> src/puzzles/day04/mod.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Some(String::from(format!("{}", sum * draw)))
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `String::from()`: `format!("{}", sum * draw)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::string::String`
[INFO] [stdout]   --> src/puzzles/day04/mod.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Some(String::from(format!("{}", sum * draw)))
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `String::from()`: `format!("{}", sum * draw)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stdout]   --> src/puzzles/day04/mod.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     (Vec<i32>, Vec<[[i32; 5]; 5]>, HashMap<i32, Vec<(usize, usize, usize)>>)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stdout]    = note: `#[warn(clippy::type_complexity)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this if-then-else expression returns a bool literal
[INFO] [stdout]   --> src/utils.rs:22:6
[INFO] [stdout]    |
[INFO] [stdout] 22 | /         if col < self.cols &&
[INFO] [stdout] 23 | |         row < self.rows{
[INFO] [stdout] 24 | |             true
[INFO] [stdout] ...  |
[INFO] [stdout] 27 | |         false
[INFO] [stdout] 28 | |         }
[INFO] [stdout]    | |_________^ help: you can reduce it to: `col < self.cols && row < self.rows`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_bool
[INFO] [stdout]    = note: `#[warn(clippy::needless_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is used to index `board`
[INFO] [stdout]   --> src/puzzles/day04/mod.rs:32:11
[INFO] [stdout]    |
[INFO] [stdout] 32 |     for i in 0..5 {
[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 and enumerate()
[INFO] [stdout]    |
[INFO] [stdout] 32 -     for i in 0..5 {
[INFO] [stdout] 32 +     for (i, <item>) in board.iter_mut().enumerate() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is only used to index `board`
[INFO] [stdout]   --> src/puzzles/day04/mod.rs:50:14
[INFO] [stdout]    |
[INFO] [stdout] 50 |     for i in 0..5 {
[INFO] [stdout]    |              ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]    |
[INFO] [stdout] 50 -     for i in 0..5 {
[INFO] [stdout] 50 +     for <item> in &board {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/utils.rs:79:3
[INFO] [stdout]    |
[INFO] [stdout] 79 |         return Some(res);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 79 -         return Some(res);
[INFO] [stdout] 79 +         Some(res)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/utils.rs:81:3
[INFO] [stdout]    |
[INFO] [stdout] 81 |         return None;
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 81 -         return None;
[INFO] [stdout] 81 +         None
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is only used to index `board`
[INFO] [stdout]   --> src/puzzles/day04/mod.rs:56:14
[INFO] [stdout]    |
[INFO] [stdout] 56 |     for i in 0..5 {
[INFO] [stdout]    |              ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]    |
[INFO] [stdout] 56 -     for i in 0..5 {
[INFO] [stdout] 56 +     for <item> in &board {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stdout]   --> src/puzzles/day04/mod.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 | /        (Vec<i32>,
[INFO] [stdout] 68 | |         Vec<[[i32; 5]; 5]>,
[INFO] [stdout] 69 | |         HashMap<i32, Vec<(usize, usize, usize)>>)) ->
[INFO] [stdout]    | |_________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]    --> src/puzzles/day04/mod.rs:81:2
[INFO] [stdout]     |
[INFO] [stdout]  81 | /     match hashmap.get(&draw){
[INFO] [stdout]  82 | |         Some(vec) => {
[INFO] [stdout]  83 | |         for (board_no, y, x) in vec {
[INFO] [stdout]  84 | |             boards[*board_no][*y][*x] = -1;
[INFO] [stdout] ...   |
[INFO] [stdout]  99 | |         None => (),
[INFO] [stdout] 100 | |     }
[INFO] [stdout]     | |_____^
[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] help: try
[INFO] [stdout]     |
[INFO] [stdout]  81 ~     if let Some(vec) = hashmap.get(&draw) {
[INFO] [stdout]  82 ~          for (board_no, y, x) in vec {
[INFO] [stdout]  83 ~              boards[*board_no][*y][*x] = -1;
[INFO] [stdout]  84 ~              if check_win(boards[*board_no], (*board_no, *y, *x)) {
[INFO] [stdout]  85 ~              winning_boards.insert(*board_no);
[INFO] [stdout]  86 ~              sum = sum_board(boards[*board_no]);
[INFO] [stdout]  87 ~              l_draw = draw;
[INFO] [stdout]  88 ~              if first_winning {
[INFO] [stdout]  89 ~                  break;
[INFO] [stdout]  90 ~              } else {
[INFO] [stdout]  91 ~                  if win_set_len == winning_boards.len() {
[INFO] [stdout]  92 ~                  break;
[INFO] [stdout]  93 ~                  }
[INFO] [stdout]  94 ~              }
[INFO] [stdout]  95 ~              }
[INFO] [stdout]  96 ~          }
[INFO] [stdout]  97 ~          }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::string::String`
[INFO] [stdout]   --> src/puzzles/day05/mod.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 |       Some(String::from(format!("{}",
[INFO] [stdout]    |  __________^
[INFO] [stdout] 11 | |                   get_solution(true, input))))
[INFO] [stdout]    | |_____________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout] help: consider removing `String::from()`
[INFO] [stdout]    |
[INFO] [stdout] 10 ~     Some(format!("{}",
[INFO] [stdout] 11 ~                   get_solution(true, input)))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::string::String`
[INFO] [stdout]   --> src/puzzles/day05/mod.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 |       Some(String::from(format!("{}",
[INFO] [stdout]    |  __________^
[INFO] [stdout] 17 | |                   get_solution(false, input))))
[INFO] [stdout]    | |______________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout] help: consider removing `String::from()`
[INFO] [stdout]    |
[INFO] [stdout] 16 ~     Some(format!("{}",
[INFO] [stdout] 17 ~                   get_solution(false, input)))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::string::String`
[INFO] [stdout]  --> src/puzzles/day06/mod.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 |       Some(String::from(format!(
[INFO] [stdout]   |  __________^
[INFO] [stdout] 9 | |     "{}", no_fishes_after_n_days(&fishes, 80))))
[INFO] [stdout]   | |_______________________________________________^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout] help: consider removing `String::from()`
[INFO] [stdout]   |
[INFO] [stdout] 8 ~     Some(format!(
[INFO] [stdout] 9 ~     "{}", no_fishes_after_n_days(&fishes, 80)))
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::string::String`
[INFO] [stdout]   --> src/puzzles/day06/mod.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 |       Some(String::from(format!(
[INFO] [stdout]    |  __________^
[INFO] [stdout] 16 | |     "{}", no_fishes_after_n_days(&fishes, 256))))
[INFO] [stdout]    | |________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout] help: consider removing `String::from()`
[INFO] [stdout]    |
[INFO] [stdout] 15 ~     Some(format!(
[INFO] [stdout] 16 ~     "{}", no_fishes_after_n_days(&fishes, 256)))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::string::String`
[INFO] [stdout]   --> src/puzzles/day07/mod.rs:9:10
[INFO] [stdout]    |
[INFO] [stdout]  9 |       Some(String::from(format!(
[INFO] [stdout]    |  __________^
[INFO] [stdout] 10 | |     "{}", pos.0)))
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout] help: consider removing `String::from()`
[INFO] [stdout]    |
[INFO] [stdout]  9 ~     Some(format!(
[INFO] [stdout] 10 ~     "{}", pos.0))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::string::String`
[INFO] [stdout]   --> src/puzzles/day07/mod.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 |       Some(String::from(format!(
[INFO] [stdout]    |  __________^
[INFO] [stdout] 18 | |     "{}", pos.0)))
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout] help: consider removing `String::from()`
[INFO] [stdout]    |
[INFO] [stdout] 17 ~     Some(format!(
[INFO] [stdout] 18 ~     "{}", pos.0))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/puzzles/day07/mod.rs:31:2
[INFO] [stdout]    |
[INFO] [stdout] 31 |     return 0;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 31 -     return 0;
[INFO] [stdout] 31 +     0
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/puzzles/day07/mod.rs:33:2
[INFO] [stdout]    |
[INFO] [stdout] 33 |     return input + steping_function(input - 1);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 33 -     return input + steping_function(input - 1);
[INFO] [stdout] 33 +     input + steping_function(input - 1)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting the result of `i32::abs()` to u32
[INFO] [stdout]   --> src/puzzles/day07/mod.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |         tmp.0 += (i as i32 - *pos as i32).abs() as u32;
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `(i as i32 - *pos as i32).unsigned_abs()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_abs_to_unsigned
[INFO] [stdout]    = note: `#[warn(clippy::cast_abs_to_unsigned)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting the result of `i32::abs()` to u32
[INFO] [stdout]   --> src/puzzles/day07/mod.rs:50:29
[INFO] [stdout]    |
[INFO] [stdout] 50 |         tmp.0 += steping_function((i as i32 - *pos as i32).abs() as u32);
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `(i as i32 - *pos as i32).unsigned_abs()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_abs_to_unsigned
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::string::String`
[INFO] [stdout]   --> src/puzzles/day08/mod.rs:58:10
[INFO] [stdout]    |
[INFO] [stdout] 58 |       Some(String::from(format!(
[INFO] [stdout]    |  __________^
[INFO] [stdout] 59 | |     "{}", get_solution_p1(input))))
[INFO] [stdout]    | |__________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout] help: consider removing `String::from()`
[INFO] [stdout]    |
[INFO] [stdout] 58 ~     Some(format!(
[INFO] [stdout] 59 ~     "{}", get_solution_p1(input)))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::string::String`
[INFO] [stdout]   --> src/puzzles/day08/mod.rs:64:10
[INFO] [stdout]    |
[INFO] [stdout] 64 |       Some(String::from(format!(
[INFO] [stdout]    |  __________^
[INFO] [stdout] 65 | |     "{}", get_solution_p2(input))))
[INFO] [stdout]    | |__________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout] help: consider removing `String::from()`
[INFO] [stdout]    |
[INFO] [stdout] 64 ~     Some(format!(
[INFO] [stdout] 65 ~     "{}", get_solution_p2(input)))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::string::String`
[INFO] [stdout]   --> src/puzzles/day02/mod.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     String::from(format!("{}", pos[0] * pos[1]))
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `String::from()`: `format!("{}", pos[0] * pos[1])`
[INFO] [stdout]    |
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::string::String`
[INFO] [stdout]   --> src/puzzles/day02/mod.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     String::from(format!("{}", pos[0] * pos[1]))
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `String::from()`: `format!("{}", pos[0] * pos[1])`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded late initialization
[INFO] [stdout]   --> src/puzzles/day03/mod.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let gamma;
[INFO] [stdout]    |     ^^^^^^^^^^ created here
[INFO] [stdout] ...
[INFO] [stdout] 48 |     gamma = bin_vec_to_dec(gamma_vec);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ initialised here
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_late_init
[INFO] [stdout]    = note: `#[warn(clippy::needless_late_init)]` on by default
[INFO] [stdout] help: move the declaration `gamma` here
[INFO] [stdout]    |
[INFO] [stdout] 22 ~     
[INFO] [stdout] 23 |     let epsilon;
[INFO] [stdout] ...
[INFO] [stdout] 47 |     }
[INFO] [stdout] 48 ~     let gamma = bin_vec_to_dec(gamma_vec);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded late initialization
[INFO] [stdout]   --> src/puzzles/day03/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let epsilon;
[INFO] [stdout]    |     ^^^^^^^^^^^^ created here
[INFO] [stdout] ...
[INFO] [stdout] 49 |     epsilon = bin_vec_to_dec(epsilon_vec);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ initialised here
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_late_init
[INFO] [stdout] help: move the declaration `epsilon` here
[INFO] [stdout]    |
[INFO] [stdout] 23 ~     
[INFO] [stdout] 24 |
[INFO] [stdout] ...
[INFO] [stdout] 48 |     gamma = bin_vec_to_dec(gamma_vec);
[INFO] [stdout] 49 ~     let epsilon = bin_vec_to_dec(epsilon_vec);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function call inside of `expect`
[INFO] [stdout]    --> src/puzzles/day03/mod.rs:105:2
[INFO] [stdout]     |
[INFO] [stdout] 105 |     expect(&(format!("couldn't convert {} to decimal", &res_string)))
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `unwrap_or_else(|_| panic!("couldn't convert {} to decimal", &res_string))`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stdout]     = note: `#[warn(clippy::expect_fun_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/puzzles/day10/mod.rs:10:2
[INFO] [stdout]    |
[INFO] [stdout] 10 |     return Some(SOLUTIONS.0.to_string());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 10 -     return Some(SOLUTIONS.0.to_string());
[INFO] [stdout] 10 +     Some(SOLUTIONS.0.to_string())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/puzzles/day10/mod.rs:19:10
[INFO] [stdout]    |
[INFO] [stdout] 19 |             return Some(SOLUTIONS.1.to_string());
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 19 -             return Some(SOLUTIONS.1.to_string());
[INFO] [stdout] 19 +             Some(SOLUTIONS.1.to_string())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a new box
[INFO] [stdout]    --> src/puzzles/day03/mod.rs:125:11
[INFO] [stdout]     |
[INFO] [stdout] 125 |         0 => self.left_0 = Box::new(Some(new)),
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace existing content with inner value instead: `*self.left_0 = Some(new)`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this creates a needless allocation
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#replace_box
[INFO] [stdout]     = note: `#[warn(clippy::replace_box)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a new box
[INFO] [stdout]    --> src/puzzles/day03/mod.rs:126:11
[INFO] [stdout]     |
[INFO] [stdout] 126 |         1 => self.right_1 = Box::new(Some(new)),
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace existing content with inner value instead: `*self.right_1 = Some(new)`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this creates a needless allocation
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#replace_box
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/puzzles/day10/mod.rs:78:10
[INFO] [stdout]    |
[INFO] [stdout] 78 |             if !(vec.pop() == Some(t)) {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(vec.pop() != Some(t))`
[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 creates an owned instance just for comparison
[INFO] [stdout]    --> src/puzzles/day03/mod.rs:175:5
[INFO] [stdout]     |
[INFO] [stdout] 175 |     if value.to_owned() == 1 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^ help: try: `*value`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stdout]     = note: `#[warn(clippy::cmp_owned)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::string::String`
[INFO] [stdout]   --> src/puzzles/day04/mod.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Some(String::from(format!("{}", sum * draw)))
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `String::from()`: `format!("{}", sum * draw)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::string::String`
[INFO] [stdout]   --> src/puzzles/day04/mod.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Some(String::from(format!("{}", sum * draw)))
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `String::from()`: `format!("{}", sum * draw)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stdout]   --> src/puzzles/day04/mod.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     (Vec<i32>, Vec<[[i32; 5]; 5]>, HashMap<i32, Vec<(usize, usize, usize)>>)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stdout]    = note: `#[warn(clippy::type_complexity)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is used to index `board`
[INFO] [stdout]   --> src/puzzles/day04/mod.rs:32:11
[INFO] [stdout]    |
[INFO] [stdout] 32 |     for i in 0..5 {
[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 and enumerate()
[INFO] [stdout]    |
[INFO] [stdout] 32 -     for i in 0..5 {
[INFO] [stdout] 32 +     for (i, <item>) in board.iter_mut().enumerate() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant pattern matching, consider using `is_some()`
[INFO] [stdout]   --> src/puzzles/day13/mod.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     if let Some(_) = line.find(",") {
[INFO] [stdout]    |     -------^^^^^^^----------------- help: try: `if line.find(",").is_some()`
[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_some()`
[INFO] [stdout]   --> src/puzzles/day13/mod.rs:35:16
[INFO] [stdout]    |
[INFO] [stdout] 35 |     } else if let Some(_) = line.find("=") {
[INFO] [stdout]    |            -------^^^^^^^----------------- help: try: `if line.find("=").is_some()`
[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: the loop variable `i` is only used to index `board`
[INFO] [stdout]   --> src/puzzles/day04/mod.rs:50:14
[INFO] [stdout]    |
[INFO] [stdout] 50 |     for i in 0..5 {
[INFO] [stdout]    |              ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]    |
[INFO] [stdout] 50 -     for i in 0..5 {
[INFO] [stdout] 50 +     for <item> in &board {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant pattern matching, consider using `is_some()`
[INFO] [stdout]   --> src/puzzles/day13/mod.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |         if let Some(_) = line.find("x") {
[INFO] [stdout]    |         -------^^^^^^^----------------- help: try: `if line.find("x").is_some()`
[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: the loop variable `i` is only used to index `board`
[INFO] [stdout]   --> src/puzzles/day04/mod.rs:56:14
[INFO] [stdout]    |
[INFO] [stdout] 56 |     for i in 0..5 {
[INFO] [stdout]    |              ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]    |
[INFO] [stdout] 56 -     for i in 0..5 {
[INFO] [stdout] 56 +     for <item> in &board {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stdout]   --> src/puzzles/day04/mod.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 | /        (Vec<i32>,
[INFO] [stdout] 68 | |         Vec<[[i32; 5]; 5]>,
[INFO] [stdout] 69 | |         HashMap<i32, Vec<(usize, usize, usize)>>)) ->
[INFO] [stdout]    | |_________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]    --> src/puzzles/day04/mod.rs:81:2
[INFO] [stdout]     |
[INFO] [stdout]  81 | /     match hashmap.get(&draw){
[INFO] [stdout]  82 | |         Some(vec) => {
[INFO] [stdout]  83 | |         for (board_no, y, x) in vec {
[INFO] [stdout]  84 | |             boards[*board_no][*y][*x] = -1;
[INFO] [stdout] ...   |
[INFO] [stdout]  99 | |         None => (),
[INFO] [stdout] 100 | |     }
[INFO] [stdout]     | |_____^
[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] help: try
[INFO] [stdout]     |
[INFO] [stdout]  81 ~     if let Some(vec) = hashmap.get(&draw) {
[INFO] [stdout]  82 ~          for (board_no, y, x) in vec {
[INFO] [stdout]  83 ~              boards[*board_no][*y][*x] = -1;
[INFO] [stdout]  84 ~              if check_win(boards[*board_no], (*board_no, *y, *x)) {
[INFO] [stdout]  85 ~              winning_boards.insert(*board_no);
[INFO] [stdout]  86 ~              sum = sum_board(boards[*board_no]);
[INFO] [stdout]  87 ~              l_draw = draw;
[INFO] [stdout]  88 ~              if first_winning {
[INFO] [stdout]  89 ~                  break;
[INFO] [stdout]  90 ~              } else {
[INFO] [stdout]  91 ~                  if win_set_len == winning_boards.len() {
[INFO] [stdout]  92 ~                  break;
[INFO] [stdout]  93 ~                  }
[INFO] [stdout]  94 ~              }
[INFO] [stdout]  95 ~              }
[INFO] [stdout]  96 ~          }
[INFO] [stdout]  97 ~          }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/puzzles/day13/mod.rs:97:6
[INFO] [stdout]    |
[INFO] [stdout] 97 |         return Ordering::Equal;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 97 -         return Ordering::Equal;
[INFO] [stdout] 97 +         Ordering::Equal
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this loop could be written as a `for` loop
[INFO] [stdout]   --> src/puzzles/day14/mod.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         while let Some(t) = lines.next() {
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `for t in lines`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_on_iterator
[INFO] [stdout]    = note: `#[warn(clippy::while_let_on_iterator)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary use of `get(&72).is_none()`
[INFO] [stdout]    --> src/puzzles/day04/mod.rs:143:18
[INFO] [stdout]     |
[INFO] [stdout] 143 |     assert!(hashmap.get(&72).is_none());
[INFO] [stdout]     |             --------^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: replace it with: `!hashmap.contains_key(&72)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_get_then_check
[INFO] [stdout]     = note: `#[warn(clippy::unnecessary_get_then_check)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::string::String`
[INFO] [stdout]   --> src/puzzles/day05/mod.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 |       Some(String::from(format!("{}",
[INFO] [stdout]    |  __________^
[INFO] [stdout] 11 | |                   get_solution(true, input))))
[INFO] [stdout]    | |_____________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout] help: consider removing `String::from()`
[INFO] [stdout]    |
[INFO] [stdout] 10 ~     Some(format!("{}",
[INFO] [stdout] 11 ~                   get_solution(true, input)))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::string::String`
[INFO] [stdout]   --> src/puzzles/day05/mod.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 |       Some(String::from(format!("{}",
[INFO] [stdout]    |  __________^
[INFO] [stdout] 17 | |                   get_solution(false, input))))
[INFO] [stdout]    | |______________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout] help: consider removing `String::from()`
[INFO] [stdout]    |
[INFO] [stdout] 16 ~     Some(format!("{}",
[INFO] [stdout] 17 ~                   get_solution(false, input)))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: returning the result of a `let` binding from a block
[INFO] [stdout]   --> src/lib.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let vec = get_puzzles::get_puzzles();
[INFO] [stdout]    |     ------------------------------------- unnecessary `let` binding
[INFO] [stdout] 41 |     vec
[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] 40 ~     
[INFO] [stdout] 41 ~     get_puzzles::get_puzzles()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/puzzles/day08/mod.rs:99:23
[INFO] [stdout]    |
[INFO] [stdout] 99 | fn parse_input(input: &str) -> Vec<Line> {
[INFO] [stdout]    |                       ^^^^         ^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 99 | fn parse_input(input: &str) -> Vec<Line<'_>> {
[INFO] [stdout]    |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/puzzles/day08/mod.rs:107:22
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn parse_line(input: &str) -> Line {
[INFO] [stdout]     |                      ^^^^     ^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn parse_line(input: &str) -> Line<'_> {
[INFO] [stdout]     |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> src/puzzles/day10/mod.rs:10:14
[INFO] [stdout]    |
[INFO] [stdout] 10 |     return Some(SOLUTIONS.0.to_string());
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> src/puzzles/day10/mod.rs:19:22
[INFO] [stdout]    |
[INFO] [stdout] 19 |             return Some(SOLUTIONS.1.to_string());
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/puzzles/day10/mod.rs:60:26
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn parse_line(input: &str) -> Line {
[INFO] [stdout]    |                          ^^^^     ^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn parse_line(input: &str) -> Line<'_> {
[INFO] [stdout]    |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/puzzles/day10/mod.rs:64:27
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn parse_lines(input: &str) -> Vec<Line> {
[INFO] [stdout]    |                           ^^^^         ^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn parse_lines(input: &str) -> Vec<Line<'_>> {
[INFO] [stdout]    |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/puzzles/day12/mod.rs:20:23
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn parse_input(input: &str) -> Graph {
[INFO] [stdout]    |                       ^^^^     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn parse_input(input: &str) -> Graph<'_> {
[INFO] [stdout]    |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::string::String`
[INFO] [stdout]  --> src/puzzles/day06/mod.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 |       Some(String::from(format!(
[INFO] [stdout]   |  __________^
[INFO] [stdout] 9 | |     "{}", no_fishes_after_n_days(&fishes, 80))))
[INFO] [stdout]   | |_______________________________________________^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout] help: consider removing `String::from()`
[INFO] [stdout]   |
[INFO] [stdout] 8 ~     Some(format!(
[INFO] [stdout] 9 ~     "{}", no_fishes_after_n_days(&fishes, 80)))
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::string::String`
[INFO] [stdout]   --> src/puzzles/day06/mod.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 |       Some(String::from(format!(
[INFO] [stdout]    |  __________^
[INFO] [stdout] 16 | |     "{}", no_fishes_after_n_days(&fishes, 256))))
[INFO] [stdout]    | |________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout] help: consider removing `String::from()`
[INFO] [stdout]    |
[INFO] [stdout] 15 ~     Some(format!(
[INFO] [stdout] 16 ~     "{}", no_fishes_after_n_days(&fishes, 256)))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the function `no_fishes_after_n_days` doesn't need a mutable reference
[INFO] [stdout]   --> src/puzzles/day06/mod.rs:59:40
[INFO] [stdout]    |
[INFO] [stdout] 59 |     assert_eq!(26, no_fishes_after_n_days(&mut fishes, 18));
[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] 59 -     assert_eq!(26, no_fishes_after_n_days(&mut fishes, 18));
[INFO] [stdout] 59 +     assert_eq!(26, no_fishes_after_n_days(&fishes, 18));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the function `no_fishes_after_n_days` doesn't need a mutable reference
[INFO] [stdout]   --> src/puzzles/day06/mod.rs:60:42
[INFO] [stdout]    |
[INFO] [stdout] 60 |     assert_eq!(5934, no_fishes_after_n_days(&mut fishes, 80));
[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] help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout] 60 -     assert_eq!(5934, no_fishes_after_n_days(&mut fishes, 80));
[INFO] [stdout] 60 +     assert_eq!(5934, no_fishes_after_n_days(&fishes, 80));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the function `no_fishes_after_n_days` doesn't need a mutable reference
[INFO] [stdout]   --> src/puzzles/day06/mod.rs:66:49
[INFO] [stdout]    |
[INFO] [stdout] 66 |     assert_eq!(26984457539, no_fishes_after_n_days(&mut fishes, 256));
[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] help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout] 66 -     assert_eq!(26984457539, no_fishes_after_n_days(&mut fishes, 256));
[INFO] [stdout] 66 +     assert_eq!(26984457539, no_fishes_after_n_days(&fishes, 256));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::string::String`
[INFO] [stdout]   --> src/puzzles/day07/mod.rs:9:10
[INFO] [stdout]    |
[INFO] [stdout]  9 |       Some(String::from(format!(
[INFO] [stdout]    |  __________^
[INFO] [stdout] 10 | |     "{}", pos.0)))
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout] help: consider removing `String::from()`
[INFO] [stdout]    |
[INFO] [stdout]  9 ~     Some(format!(
[INFO] [stdout] 10 ~     "{}", pos.0))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::string::String`
[INFO] [stdout]   --> src/puzzles/day07/mod.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 |       Some(String::from(format!(
[INFO] [stdout]    |  __________^
[INFO] [stdout] 18 | |     "{}", pos.0)))
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout] help: consider removing `String::from()`
[INFO] [stdout]    |
[INFO] [stdout] 17 ~     Some(format!(
[INFO] [stdout] 18 ~     "{}", pos.0))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/puzzles/day07/mod.rs:31:2
[INFO] [stdout]    |
[INFO] [stdout] 31 |     return 0;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 31 -     return 0;
[INFO] [stdout] 31 +     0
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/puzzles/day07/mod.rs:33:2
[INFO] [stdout]    |
[INFO] [stdout] 33 |     return input + steping_function(input - 1);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 33 -     return input + steping_function(input - 1);
[INFO] [stdout] 33 +     input + steping_function(input - 1)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting the result of `i32::abs()` to u32
[INFO] [stdout]   --> src/puzzles/day07/mod.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |         tmp.0 += (i as i32 - *pos as i32).abs() as u32;
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `(i as i32 - *pos as i32).unsigned_abs()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_abs_to_unsigned
[INFO] [stdout]    = note: `#[warn(clippy::cast_abs_to_unsigned)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting the result of `i32::abs()` to u32
[INFO] [stdout]   --> src/puzzles/day07/mod.rs:50:29
[INFO] [stdout]    |
[INFO] [stdout] 50 |         tmp.0 += steping_function((i as i32 - *pos as i32).abs() as u32);
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `(i as i32 - *pos as i32).unsigned_abs()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_abs_to_unsigned
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting the result of `i32::abs()` to u32
[INFO] [stdout]   --> src/puzzles/day07/mod.rs:80:34
[INFO] [stdout]    |
[INFO] [stdout] 80 |     assert_eq!(66, steping_function((5 as i32 - 16 as i32).abs() as u32));
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `(5 as i32 - 16 as i32).unsigned_abs()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_abs_to_unsigned
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting integer literal to `i32` is unnecessary
[INFO] [stdout]   --> src/puzzles/day07/mod.rs:80:35
[INFO] [stdout]    |
[INFO] [stdout] 80 |     assert_eq!(66, steping_function((5 as i32 - 16 as i32).abs() as u32));
[INFO] [stdout]    |                                      ^^^^^^^^ help: try: `5_i32`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_cast)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting integer literal to `i32` is unnecessary
[INFO] [stdout]   --> src/puzzles/day07/mod.rs:80:46
[INFO] [stdout]    |
[INFO] [stdout] 80 |     assert_eq!(66, steping_function((5 as i32 - 16 as i32).abs() as u32));
[INFO] [stdout]    |                                                 ^^^^^^^^^ help: try: `16_i32`
[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: useless conversion to the same type: `std::string::String`
[INFO] [stdout]   --> src/puzzles/day08/mod.rs:58:10
[INFO] [stdout]    |
[INFO] [stdout] 58 |       Some(String::from(format!(
[INFO] [stdout]    |  __________^
[INFO] [stdout] 59 | |     "{}", get_solution_p1(input))))
[INFO] [stdout]    | |__________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout] help: consider removing `String::from()`
[INFO] [stdout]    |
[INFO] [stdout] 58 ~     Some(format!(
[INFO] [stdout] 59 ~     "{}", get_solution_p1(input)))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::string::String`
[INFO] [stdout]   --> src/puzzles/day08/mod.rs:64:10
[INFO] [stdout]    |
[INFO] [stdout] 64 |       Some(String::from(format!(
[INFO] [stdout]    |  __________^
[INFO] [stdout] 65 | |     "{}", get_solution_p2(input))))
[INFO] [stdout]    | |__________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout] help: consider removing `String::from()`
[INFO] [stdout]    |
[INFO] [stdout] 64 ~     Some(format!(
[INFO] [stdout] 65 ~     "{}", get_solution_p2(input)))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/puzzles/day10/mod.rs:10:2
[INFO] [stdout]    |
[INFO] [stdout] 10 |     return Some(SOLUTIONS.0.to_string());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 10 -     return Some(SOLUTIONS.0.to_string());
[INFO] [stdout] 10 +     Some(SOLUTIONS.0.to_string())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/puzzles/day10/mod.rs:19:10
[INFO] [stdout]    |
[INFO] [stdout] 19 |             return Some(SOLUTIONS.1.to_string());
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 19 -             return Some(SOLUTIONS.1.to_string());
[INFO] [stdout] 19 +             Some(SOLUTIONS.1.to_string())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/puzzles/day10/mod.rs:78:10
[INFO] [stdout]    |
[INFO] [stdout] 78 |             if !(vec.pop() == Some(t)) {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(vec.pop() != Some(t))`
[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: redundant pattern matching, consider using `is_some()`
[INFO] [stdout]   --> src/puzzles/day13/mod.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     if let Some(_) = line.find(",") {
[INFO] [stdout]    |     -------^^^^^^^----------------- help: try: `if line.find(",").is_some()`
[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_some()`
[INFO] [stdout]   --> src/puzzles/day13/mod.rs:35:16
[INFO] [stdout]    |
[INFO] [stdout] 35 |     } else if let Some(_) = line.find("=") {
[INFO] [stdout]    |            -------^^^^^^^----------------- help: try: `if line.find("=").is_some()`
[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: redundant pattern matching, consider using `is_some()`
[INFO] [stdout]   --> src/puzzles/day13/mod.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |         if let Some(_) = line.find("x") {
[INFO] [stdout]    |         -------^^^^^^^----------------- help: try: `if line.find("x").is_some()`
[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: unneeded `return` statement
[INFO] [stdout]   --> src/puzzles/day13/mod.rs:97:6
[INFO] [stdout]    |
[INFO] [stdout] 97 |         return Ordering::Equal;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 97 -         return Ordering::Equal;
[INFO] [stdout] 97 +         Ordering::Equal
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this loop could be written as a `for` loop
[INFO] [stdout]   --> src/puzzles/day14/mod.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         while let Some(t) = lines.next() {
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `for t in lines`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_on_iterator
[INFO] [stdout]    = note: `#[warn(clippy::while_let_on_iterator)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: returning the result of a `let` binding from a block
[INFO] [stdout]   --> src/lib.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let vec = get_puzzles::get_puzzles();
[INFO] [stdout]    |     ------------------------------------- unnecessary `let` binding
[INFO] [stdout] 41 |     vec
[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] 40 ~     
[INFO] [stdout] 41 ~     get_puzzles::get_puzzles()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: literal with an empty format string
[INFO] [stdout]   --> src/main.rs:16:44
[INFO] [stdout]    |
[INFO] [stdout] 16 |         Some(s) => println!("{:9}{} {}", ' ', "Part 1:", s),
[INFO] [stdout]    |                                               ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_literal
[INFO] [stdout]    = note: `#[warn(clippy::print_literal)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 16 -         Some(s) => println!("{:9}{} {}", ' ', "Part 1:", s),
[INFO] [stdout] 16 +         Some(s) => println!("{:9}Part 1: {}", ' ', s),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: literal with an empty format string
[INFO] [stdout]   --> src/main.rs:17:41
[INFO] [stdout]    |
[INFO] [stdout] 17 |         None => println!("{:9}{} {}", ' ', "Part 1:", "Unsolved"),
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_literal
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 17 -         None => println!("{:9}{} {}", ' ', "Part 1:", "Unsolved"),
[INFO] [stdout] 17 +         None => println!("{:9}Part 1: Unsolved", ' '),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/puzzles/day08/mod.rs:99:23
[INFO] [stdout]    |
[INFO] [stdout] 99 | fn parse_input(input: &str) -> Vec<Line> {
[INFO] [stdout]    |                       ^^^^         ^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 99 | fn parse_input(input: &str) -> Vec<Line<'_>> {
[INFO] [stdout]    |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/puzzles/day08/mod.rs:107:22
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn parse_line(input: &str) -> Line {
[INFO] [stdout]     |                      ^^^^     ^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn parse_line(input: &str) -> Line<'_> {
[INFO] [stdout]     |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> src/puzzles/day10/mod.rs:10:14
[INFO] [stdout]    |
[INFO] [stdout] 10 |     return Some(SOLUTIONS.0.to_string());
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: literal with an empty format string
[INFO] [stdout]   --> src/main.rs:20:44
[INFO] [stdout]    |
[INFO] [stdout] 20 |         Some(s) => println!("{:9}{} {}", ' ', "Part 2:", s),
[INFO] [stdout]    |                                               ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_literal
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 20 -         Some(s) => println!("{:9}{} {}", ' ', "Part 2:", s),
[INFO] [stdout] 20 +         Some(s) => println!("{:9}Part 2: {}", ' ', s),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> src/puzzles/day10/mod.rs:19:22
[INFO] [stdout]    |
[INFO] [stdout] 19 |             return Some(SOLUTIONS.1.to_string());
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/puzzles/day10/mod.rs:60:26
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn parse_line(input: &str) -> Line {
[INFO] [stdout]    |                          ^^^^     ^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn parse_line(input: &str) -> Line<'_> {
[INFO] [stdout]    |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/puzzles/day10/mod.rs:64:27
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn parse_lines(input: &str) -> Vec<Line> {
[INFO] [stdout]    |                           ^^^^         ^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn parse_lines(input: &str) -> Vec<Line<'_>> {
[INFO] [stdout]    |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: literal with an empty format string
[INFO] [stdout]   --> src/main.rs:21:41
[INFO] [stdout]    |
[INFO] [stdout] 21 |         None => println!("{:9}{} {}", ' ', "Part 2:", "Unsolved"),
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_literal
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 21 -         None => println!("{:9}{} {}", ' ', "Part 2:", "Unsolved"),
[INFO] [stdout] 21 +         None => println!("{:9}Part 2: Unsolved", ' '),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/puzzles/day12/mod.rs:20:23
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn parse_input(input: &str) -> Graph {
[INFO] [stdout]    |                       ^^^^     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn parse_input(input: &str) -> Graph<'_> {
[INFO] [stdout]    |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: literal with an empty format string
[INFO] [stdout]   --> src/main.rs:16:44
[INFO] [stdout]    |
[INFO] [stdout] 16 |         Some(s) => println!("{:9}{} {}", ' ', "Part 1:", s),
[INFO] [stdout]    |                                               ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_literal
[INFO] [stdout]    = note: `#[warn(clippy::print_literal)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 16 -         Some(s) => println!("{:9}{} {}", ' ', "Part 1:", s),
[INFO] [stdout] 16 +         Some(s) => println!("{:9}Part 1: {}", ' ', s),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: literal with an empty format string
[INFO] [stdout]   --> src/main.rs:17:41
[INFO] [stdout]    |
[INFO] [stdout] 17 |         None => println!("{:9}{} {}", ' ', "Part 1:", "Unsolved"),
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_literal
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 17 -         None => println!("{:9}{} {}", ' ', "Part 1:", "Unsolved"),
[INFO] [stdout] 17 +         None => println!("{:9}Part 1: Unsolved", ' '),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: literal with an empty format string
[INFO] [stdout]   --> src/main.rs:20:44
[INFO] [stdout]    |
[INFO] [stdout] 20 |         Some(s) => println!("{:9}{} {}", ' ', "Part 2:", s),
[INFO] [stdout]    |                                               ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_literal
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 20 -         Some(s) => println!("{:9}{} {}", ' ', "Part 2:", s),
[INFO] [stdout] 20 +         Some(s) => println!("{:9}Part 2: {}", ' ', s),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: literal with an empty format string
[INFO] [stdout]   --> src/main.rs:21:41
[INFO] [stdout]    |
[INFO] [stdout] 21 |         None => println!("{:9}{} {}", ' ', "Part 2:", "Unsolved"),
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_literal
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 21 -         None => println!("{:9}{} {}", ' ', "Part 2:", "Unsolved"),
[INFO] [stdout] 21 +         None => println!("{:9}Part 2: Unsolved", ' '),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "b3a27b40e994e3825234b55dbb47f209483b56d05052891b2c80f689c78ecd1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3a27b40e994e3825234b55dbb47f209483b56d05052891b2c80f689c78ecd1d", kill_on_drop: false }`
[INFO] [stdout] b3a27b40e994e3825234b55dbb47f209483b56d05052891b2c80f689c78ecd1d