[INFO] cloning repository https://github.com/flurie/aoc-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/flurie/aoc-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflurie%2Faoc-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflurie%2Faoc-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7db9d078440390e8c49fffdca13c197b2bb3faab
[INFO] linting flurie/aoc-rust against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflurie%2Faoc-rust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/flurie/aoc-rust
[INFO] finished tweaking git repo https://github.com/flurie/aoc-rust
[INFO] tweaked toml for git repo https://github.com/flurie/aoc-rust written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/flurie/aoc-rust on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/flurie/aoc-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 62f777dab713408f82dba0c28dc6c541276c0ef6a4f730de503d0c91adbeaed4
[INFO] running `Command { std: "docker" "start" "-a" "62f777dab713408f82dba0c28dc6c541276c0ef6a4f730de503d0c91adbeaed4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62f777dab713408f82dba0c28dc6c541276c0ef6a4f730de503d0c91adbeaed4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62f777dab713408f82dba0c28dc6c541276c0ef6a4f730de503d0c91adbeaed4", kill_on_drop: false }`
[INFO] [stdout] 62f777dab713408f82dba0c28dc6c541276c0ef6a4f730de503d0c91adbeaed4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 434dd332989e189b0c29f081e91510dcad626deb5e2d03e586a86b5531f41c0f
[INFO] running `Command { std: "docker" "start" "-a" "434dd332989e189b0c29f081e91510dcad626deb5e2d03e586a86b5531f41c0f", kill_on_drop: false }`
[INFO] [stderr]     Checking pico-args v0.5.0
[INFO] [stderr]     Checking advent_of_code v0.9.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: called `Iterator::last` on a `DoubleEndedIterator`; this will needlessly iterate the entire iterator
[INFO] [stdout]    --> src/template/commands/all.rs:170:26
[INFO] [stdout]     |
[INFO] [stdout] 170 |           let str_timing = line
[INFO] [stdout]     |  __________________________^
[INFO] [stdout] 171 | |             .split(" samples)")
[INFO] [stdout] 172 | |             .next()?
[INFO] [stdout] 173 | |             .split('(')
[INFO] [stdout] 174 | |             .last()?
[INFO] [stdout]     | |___________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_ended_iterator_last
[INFO] [stdout]     = note: `#[warn(clippy::double_ended_iterator_last)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 174 -             .last()?
[INFO] [stdout] 174 +             .next_back()?
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: file opened with `create`, but `truncate` behavior not defined
[INFO] [stdout]   --> src/template/commands/scaffold.rs:42:36
[INFO] [stdout]    |
[INFO] [stdout] 42 |     OpenOptions::new().write(true).create(true).open(path)
[INFO] [stdout]    |                                    ^^^^^^^^^^^^- help: add: `.truncate(true)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you intend to overwrite an existing file entirely, call `.truncate(true)`
[INFO] [stdout]    = help: if you instead know that you may want to keep some parts of the old file, call `.truncate(false)`
[INFO] [stdout]    = help: alternatively, use `.append(true)` to append to the file instead of overwriting it
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_open_options
[INFO] [stdout]    = note: `#[warn(clippy::suspicious_open_options)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: clamp-like pattern without using clamp function
[INFO] [stdout]   --> src/template/runner.rs:54:28
[INFO] [stdout]    |
[INFO] [stdout] 54 |       let bench_iterations = cmp::min(
[INFO] [stdout]    |  ____________________________^
[INFO] [stdout] 55 | |         10000,
[INFO] [stdout] 56 | |         cmp::max(
[INFO] [stdout] 57 | |             Duration::from_secs(1).as_nanos() / cmp::max(base_time.as_nanos(), 10),
[INFO] [stdout] 58 | |             10,
[INFO] [stdout] 59 | |         ),
[INFO] [stdout] 60 | |     );
[INFO] [stdout]    | |_____^ help: replace with clamp: `(Duration::from_secs(1).as_nanos() / cmp::max(base_time.as_nanos(), 10)).clamp(10, 10000)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: clamp will panic if max < min
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_clamp
[INFO] [stdout]    = note: `#[warn(clippy::manual_clamp)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `Iterator::last` on a `DoubleEndedIterator`; this will needlessly iterate the entire iterator
[INFO] [stdout]    --> src/template/commands/all.rs:170:26
[INFO] [stdout]     |
[INFO] [stdout] 170 |           let str_timing = line
[INFO] [stdout]     |  __________________________^
[INFO] [stdout] 171 | |             .split(" samples)")
[INFO] [stdout] 172 | |             .next()?
[INFO] [stdout] 173 | |             .split('(')
[INFO] [stdout] 174 | |             .last()?
[INFO] [stdout]     | |___________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_ended_iterator_last
[INFO] [stdout]     = note: `#[warn(clippy::double_ended_iterator_last)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 174 -             .last()?
[INFO] [stdout] 174 +             .next_back()?
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: file opened with `create`, but `truncate` behavior not defined
[INFO] [stdout]   --> src/template/commands/scaffold.rs:42:36
[INFO] [stdout]    |
[INFO] [stdout] 42 |     OpenOptions::new().write(true).create(true).open(path)
[INFO] [stdout]    |                                    ^^^^^^^^^^^^- help: add: `.truncate(true)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you intend to overwrite an existing file entirely, call `.truncate(true)`
[INFO] [stdout]    = help: if you instead know that you may want to keep some parts of the old file, call `.truncate(false)`
[INFO] [stdout]    = help: alternatively, use `.append(true)` to append to the file instead of overwriting it
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_open_options
[INFO] [stdout]    = note: `#[warn(clippy::suspicious_open_options)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: clamp-like pattern without using clamp function
[INFO] [stdout]   --> src/template/runner.rs:54:28
[INFO] [stdout]    |
[INFO] [stdout] 54 |       let bench_iterations = cmp::min(
[INFO] [stdout]    |  ____________________________^
[INFO] [stdout] 55 | |         10000,
[INFO] [stdout] 56 | |         cmp::max(
[INFO] [stdout] 57 | |             Duration::from_secs(1).as_nanos() / cmp::max(base_time.as_nanos(), 10),
[INFO] [stdout] 58 | |             10,
[INFO] [stdout] 59 | |         ),
[INFO] [stdout] 60 | |     );
[INFO] [stdout]    | |_____^ help: replace with clamp: `(Duration::from_secs(1).as_nanos() / cmp::max(base_time.as_nanos(), 10)).clamp(10, 10000)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: clamp will panic if max < min
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_clamp
[INFO] [stdout]    = note: `#[warn(clippy::manual_clamp)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `usize` which implements the `Copy` trait
[INFO] [stdout]   --> src/bin/06.rs:51:38
[INFO] [stdout]    |
[INFO] [stdout] 51 |                         let button = but.clone() as u64;
[INFO] [stdout]    |                                      ^^^^^^^^^^^ help: try removing the `clone` call: `but`
[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 `usize` which implements the `Copy` trait
[INFO] [stdout]   --> src/bin/06.rs:82:38
[INFO] [stdout]    |
[INFO] [stdout] 82 |                         let button = but.clone() as u64;
[INFO] [stdout]    |                                      ^^^^^^^^^^^ help: try removing the `clone` call: `but`
[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: can be more succinctly written as a byte str
[INFO] [stdout]   --> src/bin/03.rs:27:36
[INFO] [stdout]    |
[INFO] [stdout] 27 |             let b = [l.as_bytes(), &[b'.', b'.', b'.']].concat();
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^ help: try: `b"..."`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#byte_char_slices
[INFO] [stdout]    = note: `#[warn(clippy::byte_char_slices)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::ops::Range<u32>`
[INFO] [stdout]   --> src/bin/03.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | /         (self.x_start..self.x_end + 1)
[INFO] [stdout] 14 | |             .into_iter()
[INFO] [stdout]    | |________________________^ help: consider removing `.into_iter()`: `(self.x_start..self.x_end + 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::str::Lines<'_>`
[INFO] [stdout]   --> src/bin/03.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         s.lines().into_iter().enumerate().for_each(|(y, l)| {
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `s.lines()`
[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: called `unwrap` on `part` after checking its variant with `is_some`
[INFO] [stdout]   --> src/bin/03.rs:69:32
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 if part.is_some() {
[INFO] [stdout]    |                 ----------------- help: try: `if let Some(<item>) = part`
[INFO] [stdout] 69 |                     parts.push(part.unwrap());
[INFO] [stdout]    |                                ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_unwrap
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_unwrap)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you don't need to add `&` to all patterns
[INFO] [stdout]   --> src/bin/03.rs:35:28
[INFO] [stdout]    |
[INFO] [stdout] 35 |                   let part = match w {
[INFO] [stdout]    |  ____________________________^
[INFO] [stdout] 36 | |                     &[i, j, k]
[INFO] [stdout] 37 | |                         if i.is_ascii_digit() && j.is_ascii_digit() && k.is_ascii_digit() =>
[INFO] [stdout] ...  |
[INFO] [stdout] 66 | |                     _ => None,
[INFO] [stdout] 67 | |                 };
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stdout]    = note: `#[warn(clippy::match_ref_pats)]` on by default
[INFO] [stdout] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stdout]    |
[INFO] [stdout] 35 ~                 let part = match *w {
[INFO] [stdout] 36 ~                     [i, j, k]
[INFO] [stdout] 37 |                         if i.is_ascii_digit() && j.is_ascii_digit() && k.is_ascii_digit() =>
[INFO] [stdout] ...
[INFO] [stdout] 45 |                     }
[INFO] [stdout] 46 ~                     [i, j, _]
[INFO] [stdout] 47 |                         if i.is_ascii_digit()
[INFO] [stdout] ...
[INFO] [stdout] 57 |                     }
[INFO] [stdout] 58 ~                     [i, _, _] if i.is_ascii_digit() && (x_val > last_x_end || y_val > last_y) => {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/bin/03.rs:105:41
[INFO] [stdout]     |
[INFO] [stdout] 105 |             _ if !b.is_ascii_digit() && !(b == &b'.') => Kind::Symbol,
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^ help: try: `(b != &b'.')`
[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]    --> src/bin/03.rs:114:41
[INFO] [stdout]     |
[INFO] [stdout] 114 |             _ if !b.is_ascii_digit() && !(b == &b'.') => Kind::Symbol,
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^ help: try: `(b != &b'.')`
[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: useless conversion to the same type: `std::str::Lines<'_>`
[INFO] [stdout]    --> src/bin/03.rs:126:17
[INFO] [stdout]     |
[INFO] [stdout] 126 |           let f = s
[INFO] [stdout]     |  _________________^
[INFO] [stdout] 127 | |             .lines()
[INFO] [stdout] 128 | |             .into_iter()
[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 `.into_iter()`
[INFO] [stdout]     |
[INFO] [stdout] 126 ~         let f = s
[INFO] [stdout] 127 +             .lines()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant closure
[INFO] [stdout]    --> src/bin/03.rs:132:26
[INFO] [stdout]     |
[INFO] [stdout] 132 |                     .map(|b| Elem::from_byte(b))
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^ help: replace the closure with the associated function itself: `Elem::from_byte`
[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: useless conversion to the same type: `std::str::Lines<'_>`
[INFO] [stdout]    --> src/bin/03.rs:140:17
[INFO] [stdout]     |
[INFO] [stdout] 140 |           let f = s
[INFO] [stdout]     |  _________________^
[INFO] [stdout] 141 | |             .lines()
[INFO] [stdout] 142 | |             .into_iter()
[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 `.into_iter()`
[INFO] [stdout]     |
[INFO] [stdout] 140 ~         let f = s
[INFO] [stdout] 141 +             .lines()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `i32` which implements the `Copy` trait
[INFO] [stdout]    --> src/bin/03.rs:170:37
[INFO] [stdout]     |
[INFO] [stdout] 170 |                     .map(move |xs| (xs.clone(), ys.clone()))
[INFO] [stdout]     |                                     ^^^^^^^^^^ help: try removing the `clone` call: `xs`
[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 `i32` which implements the `Copy` trait
[INFO] [stdout]    --> src/bin/03.rs:170:49
[INFO] [stdout]     |
[INFO] [stdout] 170 |                     .map(move |xs| (xs.clone(), ys.clone()))
[INFO] [stdout]     |                                                 ^^^^^^^^^^ help: try removing the `clone` call: `ys`
[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: useless conversion to the same type: `std::iter::Filter<std::vec::IntoIter<(i32, i32)>, {closure@src/bin/03.rs:175:21: 175:31}>`
[INFO] [stdout]    --> src/bin/03.rs:173:9
[INFO] [stdout]     |
[INFO] [stdout] 173 | /         cross
[INFO] [stdout] 174 | |             .into_iter()
[INFO] [stdout] 175 | |             .filter(|(xs, ys)| xs >= &0 && ys >= &0)
[INFO] [stdout] 176 | |             .into_iter()
[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 `.into_iter()`
[INFO] [stdout]     |
[INFO] [stdout] 173 ~         cross
[INFO] [stdout] 174 +             .into_iter()
[INFO] [stdout] 175 +             .filter(|(xs, ys)| xs >= &0 && ys >= &0)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `i32` which implements the `Copy` trait
[INFO] [stdout]    --> src/bin/03.rs:191:37
[INFO] [stdout]     |
[INFO] [stdout] 191 |                     .map(move |xs| (xs.clone(), ys.clone()))
[INFO] [stdout]     |                                     ^^^^^^^^^^ help: try removing the `clone` call: `xs`
[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 `i32` which implements the `Copy` trait
[INFO] [stdout]    --> src/bin/03.rs:191:49
[INFO] [stdout]     |
[INFO] [stdout] 191 |                     .map(move |xs| (xs.clone(), ys.clone()))
[INFO] [stdout]     |                                                 ^^^^^^^^^^ help: try removing the `clone` call: `ys`
[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 `.filter_map(..)` can be written more simply using `.map(..)`
[INFO] [stdout]    --> src/bin/03.rs:212:10
[INFO] [stdout]     |
[INFO] [stdout] 212 |           .filter_map(|part| {
[INFO] [stdout]     |  __________^
[INFO] [stdout] 213 | |             if part
[INFO] [stdout] 214 | |                 .coords()
[INFO] [stdout] 215 | |                 .into_iter()
[INFO] [stdout] ...   |
[INFO] [stdout] 222 | |         })
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_filter_map
[INFO] [stdout]     = note: `#[warn(clippy::unnecessary_filter_map)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: importing legacy numeric constants
[INFO] [stdout]  --> src/bin/02.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, u32};
[INFO] [stdout]   |                                 ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: remove this import
[INFO] [stdout]   = note: then `u32::<CONST>` will resolve to the respective associated constant
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout]   = note: `#[warn(clippy::legacy_numeric_constants)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant closure
[INFO] [stdout]   --> src/bin/02.rs:22:18
[INFO] [stdout]    |
[INFO] [stdout] 22 |             .map(|p| Play::from_string(p))
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace the closure with the associated function itself: `Play::from_string`
[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: importing legacy numeric constants
[INFO] [stdout]  --> src/bin/02.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, u32};
[INFO] [stdout]   |                                 ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: remove this import
[INFO] [stdout]   = note: then `u32::<CONST>` will resolve to the respective associated constant
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout]   = note: `#[warn(clippy::legacy_numeric_constants)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: can be more succinctly written as a byte str
[INFO] [stdout]   --> src/bin/03.rs:27:36
[INFO] [stdout]    |
[INFO] [stdout] 27 |             let b = [l.as_bytes(), &[b'.', b'.', b'.']].concat();
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^ help: try: `b"..."`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#byte_char_slices
[INFO] [stdout]    = note: `#[warn(clippy::byte_char_slices)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant closure
[INFO] [stdout]   --> src/bin/02.rs:22:18
[INFO] [stdout]    |
[INFO] [stdout] 22 |             .map(|p| Play::from_string(p))
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace the closure with the associated function itself: `Play::from_string`
[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: can be more succinctly written as a byte str
[INFO] [stdout]   --> src/bin/01.rs:21:43
[INFO] [stdout]    |
[INFO] [stdout] 21 |             let chars = [line.as_bytes(), &[b'z', b'z', b'z', b'z']].concat();
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `b"zzzz"`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#byte_char_slices
[INFO] [stdout]    = note: `#[warn(clippy::byte_char_slices)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `u64` which implements the `Copy` trait
[INFO] [stdout]   --> src/bin/05.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |         to.clone()
[INFO] [stdout]    |         ^^^^^^^^^^ help: try removing the `clone` call: `to`
[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]    --> src/bin/05.rs:133:13
[INFO] [stdout]     |
[INFO] [stdout] 132 |             let lo = h2lo.translate(h);
[INFO] [stdout]     |             --------------------------- unnecessary `let` binding
[INFO] [stdout] 133 |             lo
[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] 132 ~             
[INFO] [stdout] 133 ~             h2lo.translate(h)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: returning the result of a `let` binding from a block
[INFO] [stdout]    --> src/bin/05.rs:175:13
[INFO] [stdout]     |
[INFO] [stdout] 174 |             let lo = h2lo.translate(h);
[INFO] [stdout]     |             --------------------------- unnecessary `let` binding
[INFO] [stdout] 175 |             lo
[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] help: return the expression directly
[INFO] [stdout]     |
[INFO] [stdout] 174 ~             
[INFO] [stdout] 175 ~             h2lo.translate(h)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `usize` which implements the `Copy` trait
[INFO] [stdout]   --> src/bin/06.rs:51:38
[INFO] [stdout]    |
[INFO] [stdout] 51 |                         let button = but.clone() as u64;
[INFO] [stdout]    |                                      ^^^^^^^^^^^ help: try removing the `clone` call: `but`
[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 `usize` which implements the `Copy` trait
[INFO] [stdout]   --> src/bin/06.rs:82:38
[INFO] [stdout]    |
[INFO] [stdout] 82 |                         let button = but.clone() as u64;
[INFO] [stdout]    |                                      ^^^^^^^^^^^ help: try removing the `clone` call: `but`
[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: can be more succinctly written as a byte str
[INFO] [stdout]   --> src/bin/01.rs:21:43
[INFO] [stdout]    |
[INFO] [stdout] 21 |             let chars = [line.as_bytes(), &[b'z', b'z', b'z', b'z']].concat();
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `b"zzzz"`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#byte_char_slices
[INFO] [stdout]    = note: `#[warn(clippy::byte_char_slices)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant closure
[INFO] [stdout]   --> src/bin/04.rs:54:14
[INFO] [stdout]    |
[INFO] [stdout] 54 |         .map(|l| Game::from_string(l))
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace the closure with the associated function itself: `Game::from_string`
[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: casting integer literal to `u32` is unnecessary
[INFO] [stdout]   --> src/bin/04.rs:59:15
[INFO] [stdout]    |
[INFO] [stdout] 59 |         .fold(0 as u32, |acc, (i, g)| {
[INFO] [stdout]    |               ^^^^^^^^ help: try: `0_u32`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_cast)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting integer literal to `u32` is unnecessary
[INFO] [stdout]   --> src/bin/04.rs:66:59
[INFO] [stdout]    |
[INFO] [stdout] 66 |                 let total = (it + 1..it + score + 1).fold(1 as u32, |r_acc, e| {
[INFO] [stdout]    |                                                           ^^^^^^^^ help: try: `1_u32`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `u32` which implements the `Copy` trait
[INFO] [stdout]   --> src/bin/04.rs:67:33
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     let new_i = cards_for.get(&e).unwrap_or(&0).clone();
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*cards_for.get(&e).unwrap_or(&0)`
[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: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/bin/07.rs:32:37
[INFO] [stdout]    |
[INFO] [stdout] 32 |         counts.sort_by(|a, b| b.cmp(&a));
[INFO] [stdout]    |                                     ^^ help: change this to: `a`
[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]   --> src/bin/07.rs:32:37
[INFO] [stdout]    |
[INFO] [stdout] 32 |         counts.sort_by(|a, b| b.cmp(&a));
[INFO] [stdout]    |                                     ^^ help: change this to: `a`
[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 `u64` which implements the `Copy` trait
[INFO] [stdout]   --> src/bin/05.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |         to.clone()
[INFO] [stdout]    |         ^^^^^^^^^^ help: try removing the `clone` call: `to`
[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]    --> src/bin/05.rs:133:13
[INFO] [stdout]     |
[INFO] [stdout] 132 |             let lo = h2lo.translate(h);
[INFO] [stdout]     |             --------------------------- unnecessary `let` binding
[INFO] [stdout] 133 |             lo
[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] 132 ~             
[INFO] [stdout] 133 ~             h2lo.translate(h)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: returning the result of a `let` binding from a block
[INFO] [stdout]    --> src/bin/05.rs:175:13
[INFO] [stdout]     |
[INFO] [stdout] 174 |             let lo = h2lo.translate(h);
[INFO] [stdout]     |             --------------------------- unnecessary `let` binding
[INFO] [stdout] 175 |             lo
[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] help: return the expression directly
[INFO] [stdout]     |
[INFO] [stdout] 174 ~             
[INFO] [stdout] 175 ~             h2lo.translate(h)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::ops::Range<u32>`
[INFO] [stdout]   --> src/bin/03.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | /         (self.x_start..self.x_end + 1)
[INFO] [stdout] 14 | |             .into_iter()
[INFO] [stdout]    | |________________________^ help: consider removing `.into_iter()`: `(self.x_start..self.x_end + 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::str::Lines<'_>`
[INFO] [stdout]   --> src/bin/03.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         s.lines().into_iter().enumerate().for_each(|(y, l)| {
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `s.lines()`
[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: called `unwrap` on `part` after checking its variant with `is_some`
[INFO] [stdout]   --> src/bin/03.rs:69:32
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 if part.is_some() {
[INFO] [stdout]    |                 ----------------- help: try: `if let Some(<item>) = part`
[INFO] [stdout] 69 |                     parts.push(part.unwrap());
[INFO] [stdout]    |                                ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_unwrap
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_unwrap)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you don't need to add `&` to all patterns
[INFO] [stdout]   --> src/bin/03.rs:35:28
[INFO] [stdout]    |
[INFO] [stdout] 35 |                   let part = match w {
[INFO] [stdout]    |  ____________________________^
[INFO] [stdout] 36 | |                     &[i, j, k]
[INFO] [stdout] 37 | |                         if i.is_ascii_digit() && j.is_ascii_digit() && k.is_ascii_digit() =>
[INFO] [stdout] ...  |
[INFO] [stdout] 66 | |                     _ => None,
[INFO] [stdout] 67 | |                 };
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stdout]    = note: `#[warn(clippy::match_ref_pats)]` on by default
[INFO] [stdout] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stdout]    |
[INFO] [stdout] 35 ~                 let part = match *w {
[INFO] [stdout] 36 ~                     [i, j, k]
[INFO] [stdout] 37 |                         if i.is_ascii_digit() && j.is_ascii_digit() && k.is_ascii_digit() =>
[INFO] [stdout] ...
[INFO] [stdout] 45 |                     }
[INFO] [stdout] 46 ~                     [i, j, _]
[INFO] [stdout] 47 |                         if i.is_ascii_digit()
[INFO] [stdout] ...
[INFO] [stdout] 57 |                     }
[INFO] [stdout] 58 ~                     [i, _, _] if i.is_ascii_digit() && (x_val > last_x_end || y_val > last_y) => {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/bin/03.rs:105:41
[INFO] [stdout]     |
[INFO] [stdout] 105 |             _ if !b.is_ascii_digit() && !(b == &b'.') => Kind::Symbol,
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^ help: try: `(b != &b'.')`
[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]    --> src/bin/03.rs:114:41
[INFO] [stdout]     |
[INFO] [stdout] 114 |             _ if !b.is_ascii_digit() && !(b == &b'.') => Kind::Symbol,
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^ help: try: `(b != &b'.')`
[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: useless conversion to the same type: `std::str::Lines<'_>`
[INFO] [stdout]    --> src/bin/03.rs:126:17
[INFO] [stdout]     |
[INFO] [stdout] 126 |           let f = s
[INFO] [stdout]     |  _________________^
[INFO] [stdout] 127 | |             .lines()
[INFO] [stdout] 128 | |             .into_iter()
[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 `.into_iter()`
[INFO] [stdout]     |
[INFO] [stdout] 126 ~         let f = s
[INFO] [stdout] 127 +             .lines()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant closure
[INFO] [stdout]    --> src/bin/03.rs:132:26
[INFO] [stdout]     |
[INFO] [stdout] 132 |                     .map(|b| Elem::from_byte(b))
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^ help: replace the closure with the associated function itself: `Elem::from_byte`
[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: useless conversion to the same type: `std::str::Lines<'_>`
[INFO] [stdout]    --> src/bin/03.rs:140:17
[INFO] [stdout]     |
[INFO] [stdout] 140 |           let f = s
[INFO] [stdout]     |  _________________^
[INFO] [stdout] 141 | |             .lines()
[INFO] [stdout] 142 | |             .into_iter()
[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 `.into_iter()`
[INFO] [stdout]     |
[INFO] [stdout] 140 ~         let f = s
[INFO] [stdout] 141 +             .lines()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `i32` which implements the `Copy` trait
[INFO] [stdout]    --> src/bin/03.rs:170:37
[INFO] [stdout]     |
[INFO] [stdout] 170 |                     .map(move |xs| (xs.clone(), ys.clone()))
[INFO] [stdout]     |                                     ^^^^^^^^^^ help: try removing the `clone` call: `xs`
[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 `i32` which implements the `Copy` trait
[INFO] [stdout]    --> src/bin/03.rs:170:49
[INFO] [stdout]     |
[INFO] [stdout] 170 |                     .map(move |xs| (xs.clone(), ys.clone()))
[INFO] [stdout]     |                                                 ^^^^^^^^^^ help: try removing the `clone` call: `ys`
[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: useless conversion to the same type: `std::iter::Filter<std::vec::IntoIter<(i32, i32)>, {closure@src/bin/03.rs:175:21: 175:31}>`
[INFO] [stdout]    --> src/bin/03.rs:173:9
[INFO] [stdout]     |
[INFO] [stdout] 173 | /         cross
[INFO] [stdout] 174 | |             .into_iter()
[INFO] [stdout] 175 | |             .filter(|(xs, ys)| xs >= &0 && ys >= &0)
[INFO] [stdout] 176 | |             .into_iter()
[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 `.into_iter()`
[INFO] [stdout]     |
[INFO] [stdout] 173 ~         cross
[INFO] [stdout] 174 +             .into_iter()
[INFO] [stdout] 175 +             .filter(|(xs, ys)| xs >= &0 && ys >= &0)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `i32` which implements the `Copy` trait
[INFO] [stdout]    --> src/bin/03.rs:191:37
[INFO] [stdout]     |
[INFO] [stdout] 191 |                     .map(move |xs| (xs.clone(), ys.clone()))
[INFO] [stdout]     |                                     ^^^^^^^^^^ help: try removing the `clone` call: `xs`
[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 `i32` which implements the `Copy` trait
[INFO] [stdout]    --> src/bin/03.rs:191:49
[INFO] [stdout]     |
[INFO] [stdout] 191 |                     .map(move |xs| (xs.clone(), ys.clone()))
[INFO] [stdout]     |                                                 ^^^^^^^^^^ help: try removing the `clone` call: `ys`
[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 `.filter_map(..)` can be written more simply using `.map(..)`
[INFO] [stdout]    --> src/bin/03.rs:212:10
[INFO] [stdout]     |
[INFO] [stdout] 212 |           .filter_map(|part| {
[INFO] [stdout]     |  __________^
[INFO] [stdout] 213 | |             if part
[INFO] [stdout] 214 | |                 .coords()
[INFO] [stdout] 215 | |                 .into_iter()
[INFO] [stdout] ...   |
[INFO] [stdout] 222 | |         })
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_filter_map
[INFO] [stdout]     = note: `#[warn(clippy::unnecessary_filter_map)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `i64` which implements the `Copy` trait
[INFO] [stdout]   --> src/bin/09.rs:27:24
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let last_val = diff_tmp.clone().last().unwrap().clone();
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*diff_tmp.clone().last().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: redundant closure
[INFO] [stdout]   --> src/bin/04.rs:54:14
[INFO] [stdout]    |
[INFO] [stdout] 54 |         .map(|l| Game::from_string(l))
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace the closure with the associated function itself: `Game::from_string`
[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: casting integer literal to `u32` is unnecessary
[INFO] [stdout]   --> src/bin/04.rs:59:15
[INFO] [stdout]    |
[INFO] [stdout] 59 |         .fold(0 as u32, |acc, (i, g)| {
[INFO] [stdout]    |               ^^^^^^^^ help: try: `0_u32`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_cast)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `i64` which implements the `Copy` trait
[INFO] [stdout]   --> src/bin/09.rs:27:24
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let last_val = diff_tmp.clone().last().unwrap().clone();
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*diff_tmp.clone().last().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: casting integer literal to `u32` is unnecessary
[INFO] [stdout]   --> src/bin/04.rs:66:59
[INFO] [stdout]    |
[INFO] [stdout] 66 |                 let total = (it + 1..it + score + 1).fold(1 as u32, |r_acc, e| {
[INFO] [stdout]    |                                                           ^^^^^^^^ help: try: `1_u32`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `u32` which implements the `Copy` trait
[INFO] [stdout]   --> src/bin/04.rs:67:33
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     let new_i = cards_for.get(&e).unwrap_or(&0).clone();
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*cards_for.get(&e).unwrap_or(&0)`
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "434dd332989e189b0c29f081e91510dcad626deb5e2d03e586a86b5531f41c0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "434dd332989e189b0c29f081e91510dcad626deb5e2d03e586a86b5531f41c0f", kill_on_drop: false }`
[INFO] [stdout] 434dd332989e189b0c29f081e91510dcad626deb5e2d03e586a86b5531f41c0f